Clip applier

Abstract

The invention discloses a clip applier. The clip applier comprises a rod body assembly, a clip bin and a dismounting part, the rod body assembly is provided with a joint part, the clamping bin comprises a bin body and a clamping mechanism movably arranged on the bin body, and the clamping mechanism is provided with a clamping part. The dismounting piece is selectively connected with the clamping bin, and the clamping bin has a locking state and an unlocking state relative to the rod body assembly. And in the locking state, the clamping part is clamped with the joint part, and the clamping mechanism is pushed in response to the movement of the disassembly piece in the direction towards the rod body assembly, so that the clamping mechanism moves to separate the clamping part from the joint part, and the clamping bin is switched from the locking state to the unlocking state relative to the rod body assembly. In the unlocking state, in response to movement of the disassembling piece in the direction away from the rod body assembly, the disassembling piece drives the clamping bin operably connected with the disassembling piece to move so as to be disengaged from the rod body assembly. Therefore, the clamping bin can be smoothly unlocked and disassembled only by operating the disassembling piece, cooperation of multiple tools is not needed, assistance of a doctor with hands is not needed either, the disassembling mode is simple, and operation is easy.

Description

Technical Field

[0001] Embodiments of this disclosure relate to a clamping pliers. Background Technology

[0002] During surgical procedures, it is necessary to ligate and stop bleeding from severed tissues or blood vessels. A common method is to clamp the tissue or blood vessel with a clip to achieve ligation and hemostasis. The clip is usually placed in a clamping forceps, which is used to fix it to the tissue or blood vessel. The clip is assembled in the clamping forceps. In use, the clip is fed into the jaw assembly of the clamping forceps, then the clip in the jaw assembly is aligned with the tissue or blood vessel to be clamped. The jaw assembly is then driven to close, causing the clip to close and thus applying the clip to the tissue or blood vessel, thereby stopping bleeding from the blood vessel or tissue. Summary of the Invention

[0003] The embodiments disclosed herein are intended to provide a clamping forceps.

[0004] This disclosure is achieved through the following technical solution: a clamping clamp, comprising: A shaft assembly having a joint; The clamping compartment includes a compartment body and a locking mechanism movably disposed on the compartment body, the locking mechanism having a locking part; A disassembly component, which is selectively connected to the clamping chamber; The clamp has a locked state and an unlocked state relative to the shaft assembly; In the locked state, the latching portion engages with the engaging portion to lock the clamping compartment to the shaft assembly; in response to the disassembly member moving in a direction toward the shaft assembly to push against the latching mechanism, the latching mechanism moves to disengage the latching portion from the engaging portion, thereby switching the clamping compartment relative to the shaft assembly from the locked state to the unlocked state; In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member drives the clamp, which is operably connected to it, to move to disengage from the shaft assembly.

[0005] For example, in the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member pushes against the clamp, causing the clamp to move to disengage from the shaft assembly.

[0006] For example, the disassembly component has a first engagement portion, and the clamping chamber has a second engagement portion; In the locked state, in response to the disassembly member moving in a direction toward the shaft assembly, the first engagement portion of the disassembly member engages with the second engagement portion of the clamp to connect the disassembly member to the clamp.

[0007] For example, the first joint and the second joint are engaged by friction or by magnetic force.

[0008] For example, the clamping chamber has a second stop surface, and the disassembly component has a second abutment surface; In the locked state, in response to the disassembly member moving in the direction toward the rod assembly to push against the locking mechanism, the locking mechanism moves to disengage the locking portion from the engagement portion, and the locking mechanism moves to avoid the movement of the disassembly member, thereby allowing the disassembly member to move to the point where the second stop surface couples with the second abutment surface; In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the second abutment surface abuts against the second stop surface, causing the disassembly member to drive the clamping mechanism to disengage from the shaft assembly.

[0009] For example, the latching mechanism includes a latching member having the latching portion; the latching member further includes a pushing surface and a stop structure, the pushing surface being connected to the stop structure, the stop structure including a second stop surface; the latching member is configured to have a tendency to move along a first direction of motion; In response to the movement of the disassembly member along the pushing surface to push against the latching member, the latching member moves in a second direction of movement to separate the latching portion from the engaging portion, and the latching member continues to move in the second direction of movement to avoid the movement of the disassembly member, thereby allowing the disassembly member to be guided to the stop structure; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the snap-fit ​​member moves along a first movement direction to couple the second stop surface with the second abutment surface.

[0010] For example, the stop structure further includes a first stop surface; the disassembly component also has a first abutting surface; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the snap-fit ​​member moves along the first movement direction until the first stop surface abuts against the first abutting surface, thereby coupling the second stop surface with the second abutting surface.

[0011] For example, the pushing surface intersects with the second stop surface; In response to the disassembly member moving along the pushing surface until the disassembly member disengages from the pushing surface at the intersection of the pushing surface and the second stop surface, the snap-fit ​​member moves along the first movement direction until the second stop surface couples with the second abutment surface.

[0012] For example, the latching member is slidably connected to the compartment body, and the movement of the latching member is linear, with the direction of movement perpendicular to the direction of movement of the disassembly member.

[0013] For example, the snap-fit ​​component is rotatably connected to the compartment body, and the snap-fit ​​component moves by rotating, with its axis of rotation parallel to the direction of movement of the disassembly component.

[0014] For example, the latching mechanism includes a latching member having the latching portion; the latching member is rotatably connected to the compartment body; the compartment body has a second stop surface, and the disassembly member has a second abutting surface; In the locked state, in response to the disassembly member moving in the direction toward the shaft assembly to push against the latching member, the latching member rotates in the second direction of movement to separate the latching portion from the engagement portion, and the latching member continues to rotate in the second direction of movement to push the disassembly member toward the second stop surface, so that the second stop surface couples with the second abutment surface.

[0015] For example, the rotation axis of the snap-fit ​​component is perpendicular to the movement direction of the disassembly component.

[0016] For example, the latching mechanism further includes an elastic element; a portion of the elastic element is connected to the housing, and another portion of the elastic element is connected to the latching member; the elastic element applies a force to the latching member to cause the latching member to have a tendency to move along a first direction of motion.

[0017] For example, the latching mechanism includes a latching member and an elastic member, the latching member having the latching portion; a portion of the elastic member is connected to the housing, and another portion of the elastic member is connected to the latching member; the rod assembly also has a pushing surface, the pushing surface being connected to the joint portion; In response to applying force to the chamber body, the snap-fit ​​portion of the snap-fit ​​member moves along the abutting surface, and the abutting surface pushes against the snap-fit ​​portion to cause the snap-fit ​​member to move in a second direction of movement, causing the elastic member to deform to store energy; In response to the snap-fit ​​portion moving along the abutment surface to the engagement portion, the elastic member releases energy to bias the snap-fit ​​portion toward the engagement portion, causing the snap-fit ​​portion to move in a first direction of motion to engage the snap-fit ​​portion with the engagement portion.

[0018] For example, one end of the compartment is provided with a snap-fit ​​mechanism, and the opposite end of the compartment is provided with a plug; the rod assembly also has a slot; When the insert is in the slot and the clip is in the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member drives the clip to rotate around the insert to disengage the clip from the shaft assembly.

[0019] A clamping clamp, comprising: A shaft assembly having a joint; The clamping compartment includes a compartment body, an elastic element, and a snap-fit ​​element. The snap-fit ​​element is movably disposed on the compartment body, and a portion of the elastic element is connected to the compartment body, while the other portion is connected to the snap-fit ​​element. A disassembly component, which is selectively connected to the clamping chamber; The clamping chamber has a locked state and an unlocked state relative to the shaft assembly; In the locked state, the elastic member biases the latching member toward the engagement portion to engage the latching member with the engagement portion. In response to the disassembly member moving in the direction toward the shaft assembly to push against the latching member, the latching member overcomes the biasing force of the elastic member and moves to disengage from the engagement portion, and the clamp switches from the locked state to the unlocked state. In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member causes the clamp, which is operably connected to it, to move to disengage from the shaft assembly.

[0020] For example, in the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member pushes against the clamp, causing the clamp to move to disengage from the shaft assembly.

[0021] For example, the clamping chamber has a second stop surface, and the disassembly component has a second abutment surface; In the locked state, in response to the disassembly member moving in the direction toward the rod assembly to push against the locking mechanism, the locking mechanism moves to disengage the locking portion from the engagement portion, and the locking mechanism continues to move to avoid the movement of the disassembly member, thereby allowing the disassembly member to move to the point where the second stop surface couples with the second abutment surface; In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the second abutment surface abuts against the second stop surface, causing the disassembly member to drive the clamping mechanism to disengage from the shaft assembly.

[0022] For example, the latching member further includes a pushing surface and a stop structure, the pushing surface being connected to the stop structure, the stop structure including a second stop surface; the elastic member applies a force to the latching member, causing the latching member to have a tendency to move along a first direction of motion; In response to the disassembly member moving along the pushing surface to push against the latching member, the latching member moves in a second direction of motion to separate the latching portion from the engaging portion, and the latching member continues to move in the second direction of motion to avoid the movement of the disassembly member, thereby allowing the disassembly member to be guided to the stop structure; the movement of the latching member in the second direction of motion causes the elastic member to deform to store energy; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the elastic member releases energy, causing the snap-fit ​​member to move in a first direction of motion to couple the second stop surface with the second abutment surface.

[0023] For example, the stop structure further includes a first stop surface; the disassembly component also has a first abutting surface; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the snap-fit ​​member moves along the first movement direction until the first stop surface abuts against the first abutting surface, thereby coupling the second stop surface with the second abutting surface.

[0024] For example, the snap-fit ​​element is rotatably connected to the compartment body; the compartment body has a second stop surface; In the locked state, in response to the disassembly member moving in the direction toward the shaft assembly to push against the latching member, the latching member rotates in the second direction of movement to separate the latching portion from the engagement portion, and the latching member continues to rotate in the second direction of movement to push the disassembly member toward the second stop surface, so that the second stop surface couples with the second abutment surface. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the clamping forceps according to some embodiments of this disclosure; Figure 2 This is a schematic diagram of a portion of the clamping pliers according to an embodiment of the present disclosure, wherein the disassembly component is not inserted into the clamping chamber, and the clamping chamber is locked relative to the rod assembly; Figure 3 yes Figure 2 Another perspective; Figure 4 This is a schematic diagram of a portion of the main axis according to an embodiment of this disclosure; Figure 5 yes Figure 4 Another perspective; Figure 6 This is a schematic diagram of a portion of the clamping pliers according to an embodiment of the present disclosure, wherein the disassembly component is inserted into the clamping chamber, and the clamping chamber is in an unlocked state relative to the rod assembly; Figure 7This is a schematic diagram of the clamping compartment according to an embodiment of the present disclosure, wherein the disassembly component is not inserted into the clamping compartment; Figure 8 This is a cross-sectional view of the clamping compartment according to an embodiment of the present disclosure, wherein the disassembly component is not inserted into the clamping compartment; Figure 9 This is a schematic diagram of the clamping chamber according to an embodiment of the present disclosure, wherein the disassembly component is inserted into the clamping chamber; Figure 10 This is a cross-sectional view of a clamping chamber according to an embodiment of the present disclosure, wherein the disassembly component is inserted into the clamping chamber; Figure 11 This is a schematic diagram of the structure of the snap-fit ​​connector according to an embodiment of the present disclosure; Figure 12 These are schematic diagrams of the disassembly components according to some embodiments of this disclosure; Figure 13 This is a schematic diagram of the clamping compartment according to another embodiment of the present disclosure, wherein the disassembly component is not inserted into the clamping compartment; Figure 14 This is a schematic diagram of the clamping chamber according to another embodiment of the present disclosure, wherein the disassembly component is inserted into the clamping chamber; Figure 15 This is a schematic diagram of a portion of the main shaft according to another embodiment of the present disclosure; Figure 16 yes Figure 13 Another perspective; Figure 17 This is a cross-sectional view of the clamping compartment according to another embodiment of this disclosure; Figure 18 This is a cross-sectional view of the clamping compartment from another angle, according to another embodiment of this disclosure; Figure 19 This is a schematic diagram of the structure of a snap-fit ​​connector according to another embodiment of the present disclosure; Figure 20 This is a structural schematic diagram of the snap-fit ​​component from another angle, representing another embodiment of this disclosure; Figure 21 This is a cross-sectional view of a clamping magazine according to another embodiment of the present disclosure, wherein the disassembly component is inserted into the clamping magazine; Figure 22 This is a schematic diagram of the disassembly component and the snap-fit ​​component cooperating according to another embodiment of this disclosure; Figure 23 This is a cross-sectional view of a clamping compartment according to another embodiment of the present disclosure, wherein the disassembly member is disassembled into the clamping compartment so that the snap-fit ​​portion of the snap-fit ​​member is separated from the engagement portion; Figure 24A This is a schematic diagram of the clamping compartment according to another embodiment of the present disclosure, wherein the disassembly component is not inserted into the clamping compartment; Figure 24B This is a schematic diagram of the clamping chamber according to another embodiment of the present disclosure, wherein the disassembly component is inserted into the clamping chamber; Figure 25This is a cross-sectional view of the clamping compartment according to another embodiment of the present disclosure, wherein the disassembly component is not inserted into the clamping compartment, mainly to show the engagement of the snap-fit ​​component with the waist-shaped groove; Figure 26 This is a cross-sectional view of a clamping magazine according to another embodiment of the present disclosure, wherein the disassembly component is not inserted into the clamping magazine; Figure 27 This is a cross-sectional view of a clamping magazine according to another embodiment of the present disclosure, wherein the disassembly component is inserted into the clamping magazine; Figure 28 This is a cross-sectional view of the clamping compartment according to another embodiment of the present disclosure, mainly to show the limiting protrusion; Figure 29 This is a schematic diagram of the structure of the holding member according to another embodiment of the present disclosure; Figure 30 This is a schematic diagram of the cooperation between the retaining member and the elastic member according to another embodiment of the present disclosure; Figure 31 This is a schematic diagram of a portion of the main shaft according to another embodiment of the present disclosure; Figure 32 This is a schematic diagram of the disassembly component structure according to another embodiment of this disclosure; Figure 33 This is a schematic diagram of the internal structure of the clamping compartment in some embodiments of this disclosure; Figure 34 yes Figure 33 Another perspective; Figure 35 This is a schematic diagram of the clip stacking according to some embodiments of this disclosure; Figure 36 yes Figure 35 Another perspective; Figure 37 This is a schematic diagram of the structure of the bias component in some embodiments of this disclosure; Figure 38 This is a cross-sectional view of a portion of the clamping area in some embodiments of this disclosure, wherein the three clamps in the clamping chamber are not fed into the jaw assembly; Figure 39 This is a cross-sectional view of a portion of the clamping area in some embodiments of this disclosure, wherein one of the clamps in the clamping chamber is fed into the jaw assembly, but the clamping mechanism is not reset; Figure 40 This is a cross-sectional view of a portion of the clamping area in some embodiments of this disclosure, wherein one of the clamps in the clamping chamber is fed into the jaw assembly and the clamping mechanism is reset; Figure 41 This is a partial view of the clamp provided in some embodiments of this disclosure, wherein a portion of the housing has been removed to show the internal structure; Figure 42This is a schematic diagram of a portion of the clamp provided in some embodiments of this disclosure, mainly to illustrate the transmission mechanism; Figure 43 yes Figure 42 A sectional view; Figures 44-45 This is a schematic diagram of a partial area of ​​the clamp provided in some embodiments of this disclosure, mainly to illustrate the transmission mechanism; Figure 46 This is a schematic diagram of the structure of the base of the clamp provided in some embodiments of this disclosure; Figure 47 This is a schematic diagram of the clamping mechanism of the clamping pliers provided in some embodiments of this disclosure; The reference numerals in the above figures are as follows: 1-Clamping chamber; 100-Cylinder body; 101-Limiting protrusion; 102-First cavity; 103-Second cavity; 104-Inlet; 105-Outlet; 130-Offset assembly; 131-Offset component; 132-Pushing component; 141-Insertion block; 142-Elastic component; 1421-Spiral part; 1422-Torsion arm; 143-Snap-fit ​​component; 1431-Snap-fit ​​part; 1432-Pushing part; 1433-First stop surface; 1436-Pushing surface ; 1434-Sliding part; 1435-Connecting part; 1437-Rotating part; 1438-Stop block; 144-Rotating shaft; 146-Second stop surface; 147-Stop groove; 150-Receiving groove; 151-First opening; 1511-Limiting wall; 1512-Positioning wall; 152-Second opening; 153-Abutting wall; 154-First limiting part; 160-Oval groove; First wall part 171; Second wall part 172; Third wall part 173; 2-Clamp; 200-First clamping arm; 201-First protrusion; 202-Hook; 210-Second clamping arm; 211-Second protrusion; 220-Connecting part; 221-Third protrusion; 231-Clamp; 232-Clamp; 233-Clamp; 240-Protrusion; 241-Clamping arm; 3-Jaw assembly; 310-Jaw arm; 320-Jaw arm reset component; 400-Clamping drive tube; 401-Sleeve; 402-Open structure; 403-Clamping reset component; 404-Rod; 4040-Sliding groove; 4042-Pushing part; 405-Connecting part; 410-Clamping drive tube; 4100-Annular groove; 411-Clamping rod; 412-Elastic rod; 413-Clamping block; 415-Clamping reset component; 420-Base; 421-Through hole; 422-Oval hole; 423-Sleeve part; 424-Abutting part; 430-Guide post; 441-Post; 442-Stop; 443-Clamping block; 444-Elastic element; 450-Push post; 460-Base reset component; 500 - Disassembly part; 501 - Handle part; 502 - Limiting rod; 5021 - Second limiting part; 503 - Disassembly part; 5031 - First abutting surface; 5032 - Second abutting surface; 5033 - Mating surface; 504 - Connecting rod; 6-Shaft assembly; 600-Main shaft; 601-Retaining ring; 602-Clipping channel; 603-Slot; 604-Joint; 605-Groove; 606-Push surface; 607-Protrusion; 700 - Handle housing; 710 - Wrench. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this disclosure. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0027] It is important to understand that the terms "proximal," "posterior," "distal," and "anterior" used in this article are relative to the clinician operating the handle assembly of the clamp. "Proximal" and "posterior" refer to the portion closer to the clinician, while "distal" and "anterior" refer to the portion farther from the clinician. That is, the handle assembly is the proximal end, and the jaw assembly is the distal end. For example, the proximal end of a component refers to the end relatively closer to the handle assembly, and the distal end refers to the end relatively closer to the jaw assembly. However, clamps can be used in many orientations and positions, so these terms expressing relative positional relationships are not limited or absolute.

[0028] In this disclosure, unless otherwise expressly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, a movable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, such as contact. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances. It should be noted that when "connected" or "linked" is preceded by a qualifier, it has the meaning defined by that qualifier, excluding only obviously excluding cases, but not other possible cases. For example, "detachable connection" refers to a detachable connection, excluding an integral part, but movable connections are not excluded.

[0029] The term "axial" refers to the length direction of the shaft assembly 6.

[0030] by Figure 33The placement angle of the middle compartment 1 is for reference. The first direction is up and down, specifically from top to bottom; the second direction is left and right, specifically from right to left; and the third direction is perpendicular to the paper.

[0031] In other accompanying drawings, when the placement angle of the clamp 1 changes, the first direction, the second direction, and the third direction change accordingly with the placement angle of the clamp 1. For example, in Figure 8 , Figure 17 and Figure 26 In the diagram, the first direction is perpendicular to the paper and faces the paper, the second direction is still from right to left, and the third direction is up and down.

[0032] The clamping pliers include a shaft assembly 6, a jaw assembly 3, and a clamping chamber 1, which is detachably connected to the shaft assembly 6. The clamping chamber 1 contains clamps; during use, the clamps in the clamping chamber 1 are sequentially fed into the jaw assembly 3 to apply force to tissues or blood vessels. After the clamps in the clamping chamber 1 are exhausted, the connection between the clamping chamber 1 and the shaft assembly 6 needs to be severed, and the clamping chamber 1 needs to be removed from the shaft assembly 6. Due to the small size of the clamping chamber 1 and the relatively strong connection between the clamping chamber 1 and the shaft assembly 6, disassembling the clamping chamber 1 is difficult and can easily damage the connection structure between the clamping chamber 1 and the shaft.

[0033] When using disassembly tools to disassemble the clamp, if the tools and the clamp cannot be stably matched, it is difficult to apply force to the clamp using the tools, and it is also difficult to directly pull the clamp out of the rod assembly using the tools. The doctor must assist by hand or use other tools to operate, which makes the disassembly process of the clamp cumbersome and prolongs the operation time.

[0034] Please see Figures 1 to 3 as well as Figure 6 The present disclosure provides a clamping pliers, including a shaft assembly 6, a clamping chamber 1, and a disassembly member 500. The clamping chamber 1 is disposed on the shaft assembly 6. The disassembly member 500 is selectively connected to the clamping chamber 1. When it is necessary to disassemble the clamping chamber 1, the disassembly member 500 is connected to the clamping chamber 1 to release the locking engagement between the clamping chamber 1 and the shaft assembly 6, and then the disassembly member 500 is manipulated to remove the clamping chamber 1 from the shaft assembly 6 of the clamping pliers.

[0035] refer to Figure 2-6 and Figure 31 The shaft assembly 6 has a joint 604; for example, the shaft assembly 6 includes a spindle 600. (Reference) Figure 3 , Figure 5-6 and Figure 31 The main shaft 600 has a connecting portion 604. The clamping chamber 1 includes a chamber body 100 and a locking mechanism movably disposed on the chamber body 100. (Reference) Figure 11 , Figure 19 and Figure 29 The card-connecting mechanism has a card-connecting part 1431.

[0036] The clamp 1 has a locked state and an unlocked state relative to the shaft assembly 6.

[0037] refer to Figure 3 and Figure 13 In the locked state, the engaging portion 1431 engages with the connecting portion 604 to lock the clamp 1 to the shaft assembly 6. In the locked state, if a force is applied to the clamp 1 to move it away from the shaft assembly 6, the engaging portion 1431 and the connecting portion 604 abut against each other, restricting the clamp 1 from moving in a direction away from the shaft assembly 6, thereby ensuring a stable connection between the clamp 1 and the shaft assembly 6 and guaranteeing that the clamping pliers can clamp normally.

[0038] In response to the disassembly 500 moving in the direction toward the shaft assembly 6 to push against the locking mechanism, the locking mechanism moves to separate the locking part 1431 from the engagement part 604, thereby switching the clamping chamber 1 from the locked state to the unlocked state relative to the shaft assembly 6.

[0039] In the unlocked state, in response to the movement of the disassembly component 500 in a direction away from the shaft assembly 6, the disassembly component 500 drives the clamp 1 operably connected to it to move to disengage from the shaft assembly 6.

[0040] By setting the clamp 1 to have a locked state and an unlocked state relative to the shaft assembly 6, the clamp 1 and the shaft assembly 6 can be detachably engaged. When the clamp 2 of the clamp 1 is exhausted, simply release the lock between the clamp 1 and the shaft assembly 6 and remove the clamp 1 from the clamping pliers. Then, install a new clamp 1 with clamp 2 onto the shaft assembly 6 of the clamping pliers, and the clamping pliers can be used again. This achieves the reuse of the clamping pliers and can save costs.

[0041] When disassembling the clamp 1, by pushing the disassembly part 500, the locking part 1431 of the locking mechanism can be separated from the joint part 604 of the shaft assembly 6, thereby unlocking the connection between the clamp 1 and the shaft assembly 6. This makes the disassembly resistance of the clamp 1 small and facilitates the disassembly of the clamp 1.

[0042] When disassembling the clamp 1, the disassembly part 500 can be connected to the clamp 1, so that the clamp 1 can be pulled out from the rod assembly 6 by pulling out the disassembly part 500. No other auxiliary tools or means are required for the doctor to use. It is convenient to apply force to the clamp 1 through the disassembly part 500 to disassemble the clamp 1, making the disassembly of the clamp 1 simple and easy to operate.

[0043] There are two ways in which the disassembly component 500 is connected to the clamping chamber 1. The first way is that the disassembly component 500 moves towards the shaft assembly 6 to push against the locking mechanism, thus forming a connection between the disassembly component 500 and the clamping chamber 1. The second way is that, in the unlocked state, the disassembly component 500 moves away from the shaft assembly 6, thus forming a connection between the disassembly component 500 and the clamping chamber 1.

[0044] For example, the disassembly member 500 has a first engagement portion, and the clamping chamber 1 has a second engagement portion. In the locked state, in response to movement of the disassembly member 500 toward the rod assembly 6, the first engagement portion of the disassembly member 500 engages with the second engagement portion of the clamping chamber 1 to connect the disassembly member 500 to the clamping chamber 1. Thus, a connection is formed between the disassembly member 500 and the clamping chamber 1 during the process of the disassembly member 500 moving toward the rod assembly 6 to push against the locking mechanism. The first engagement portion and the second engagement portion are engaged by friction or magnetic force. The disassembly member 500 includes a rod-shaped portion and a disassembly portion 503.

[0045] For example, in a frictional engagement, the housing 100 has an insertion hole, and the disassembly part 500 is inserted into the insertion hole of the housing 100 to cooperate with the snap-fit ​​mechanism. The rod-shaped portion cooperates with the insertion hole, and the disassembly part 503 cooperates with the snap-fit ​​mechanism. A rubber ring is provided in the insertion hole, and the rod-shaped portion is interference-fitted with the rubber ring, so that the rod-shaped portion and the rubber ring are frictionally engaged. Alternatively, the inner wall of the insertion hole is made into a rough surface, and the rod-shaped portion of the disassembly part 500 also has a rough surface, so that the rod-shaped portion and the insertion hole are frictionally engaged. The rod-shaped portion constitutes the first engagement part, and the rubber ring or the inner wall of the insertion hole constitutes the second engagement part.

[0046] For example, in a magnetic engagement, the disassembly member 500 is provided with a first magnet forming a first engagement portion, and the clamping compartment 1 is provided with a second magnet forming a second engagement portion. In response to the disassembly member 500 moving towards the shaft assembly 6 to push against the locking mechanism, causing the clamping compartment 1 to switch from a locked state to an unlocked state relative to the shaft assembly 6, the second magnet of the clamping compartment 1 magnetically attracts the first magnet of the disassembly member 500, thereby engaging the first engagement portion and the second engagement portion. The second magnet can be provided in the compartment 100 or in the locking mechanism.

[0047] In some embodiments of this disclosure, the connection between the disassembly member 500 and the shaft assembly 6 is abutment. In the unlocked state, in response to movement of the disassembly member 500 away from the shaft assembly 6, the disassembly member 500 pushes against the clamp 1, causing the clamp 1 to move to disengage from the shaft assembly 6.

[0048] refer to Figure 8 , Figure 20 and Figure 26 The clamping chamber 1 has a second stop surface 146, for reference. Figure 10 , Figure 22 and Figure 27The disassembly member 500 has a second abutment surface 5032. In the locked state, in response to the disassembly member 500 moving in the direction toward the shaft assembly 6 to push against the locking mechanism, the locking mechanism moves to separate the locking portion 1431 from the engagement portion 604, and the locking mechanism continues to move to avoid the movement of the disassembly member 500, thereby allowing the disassembly member 500 to move to the point where the second stop surface 146 couples with the second abutment surface 5032. The locking mechanism avoiding the movement of the disassembly member 500 means that the movement of the locking mechanism allows the disassembly member 500 to continue moving in the direction toward the shaft assembly 6 to the point where the second stop surface 146 couples with the second abutment surface 5032.

[0049] The second stop surface 146 is coupled with the second abutment surface 5032, including: the second stop surface 146 abuts against the second abutment surface 5032, or the second stop surface 146 and the second abutment surface 5032 are opposite but not abutting, and when the disassembly member 500 moves away from the clamping clamp, the second abutment surface 5032 moves to abut against the second stop surface 146.

[0050] In the unlocked state, in response to the movement of the disassembly member 500 away from the shaft assembly 6, the second abutment surface 5032 pushes against the second stop surface 146, causing the disassembly member 500 to drive the clamp 1 to move away from the shaft assembly 6.

[0051] The unlocked state described in this disclosure refers to the state in which the locking part 1431 is separated from the engaging part 604. As long as the locking part 1431 is separated from the engaging part 604, the clamp and the shaft assembly are in the unlocked state.

[0052] refer to Figure 8 , Figure 17-18 and Figure 26 The locking mechanism includes a locking member 143, which has a locking portion 1431. The locking member 143 is movably disposed in the housing 100, and the locking member 143 is configured to have a tendency to move in a first direction of motion so that the locking portion 1431 engages with the engagement portion 604 in the locked state.

[0053] In the locked state, in response to the disassembly member 500 moving in the direction toward the rod assembly 6 to push against the latch member 143, the latch member 143 moves in the second movement direction to move the latch portion 1431 away from the engagement portion 604, and the latch member 143 continues to move in the second movement direction to avoid the movement of the disassembly member 500, thereby allowing the disassembly member 500 to move to the second stop surface 146 and couple with the second abutment surface 5032.

[0054] The locking mechanism also includes an elastic element 142, a portion of which is connected to the housing 110, and the other portion of which is connected to the locking member 143. The elastic element 142 applies a force to the locking member 143, causing the locking member 143 to tend to move in a first direction of motion. In the locked state, the elastic element 142 biases the locking member 143 toward the engagement portion 604, causing the locking portion 1431 to engage with the engagement portion 604. Under the biasing force of the elastic element 142, the locking portion 1431 of the locking member 143 remains engaged with the engagement portion 604, ensuring a stable connection between the clamping housing 1 and the rod assembly 6, thereby guaranteeing the stable operation of the clamping clamp.

[0055] The elastic element 142 is, for example, a spring, or is formed by bending a thin sheet, such as a wavy sheet.

[0056] refer to Figure 5 , Figure 15 and Figure 31 The spindle 600 also has a push surface 606, which is connected to the engagement portion 604. When the clamp is installed, in response to the force applied to the clamp body 100, the locking portion 1431 moves along the push surface 606, and the push surface 606 pushes the locking portion 1431 to cause the locking member 143 to move in a second direction of movement, causing the elastic member 142 to deform to store energy.

[0057] In response to the movement of the latching portion 1431 along the abutting surface 606 to the engagement portion 604, the latching portion 1431 disengages from the abutting surface 606, and the elastic member 142 releases energy to bias the latching member 143 toward the engagement portion 604, thereby causing the latching member 143 to move in the first direction of movement so that the latching portion 1431 engages with the engagement portion 604.

[0058] refer to Figure 8-10 , Figure 13-14 and Figure 24A-27 In some embodiments of this disclosure, one end of the housing 100 is provided with a snap-fit ​​mechanism, and the other end is provided with an insertion block 141. (See reference...) Figure 4 The spindle 600 also has a slot 603. When installing the cartridge 1 onto the shaft assembly 6, the insert 141 is first inserted into the slot 603, and then a force is applied to the cartridge body 100, causing the cartridge body 100 to rotate about the insert 141 until the engaging portion 1431 of the engaging member 143 enters the engagement portion 604 along the abutment surface 606 and engages with the engagement portion 604. When removing the cartridge 1, the disassembly member 500 is connected to the cartridge 1 to put the cartridge 1 in the unlocked state. When the insert 141 is in the slot 603 and the cartridge 1 is in the unlocked state, in response to the movement of the disassembly member 500 away from the shaft assembly 6, the disassembly member 500 drives the cartridge body 100 to rotate about the insert 141, so that the cartridge 1 disengages from the shaft assembly 6.

[0059] refer to Figure 8 , Figure 10 and Figure 11 And reference Figure 18-20 In some embodiments of this disclosure, the snap-fit ​​member 143 is provided with a push surface 1436 and a stop structure. The push surface 1436 is connected to the stop structure. (See reference...) Figure 8 , Figure 20 and Figure 26 The stop structure includes a second stop surface 146.

[0060] In response to the movement of the disassembly member 500 along the pushing surface 1436 to push against the latching member 143, the latching member 143 moves in the second movement direction to move the latching portion 1431 away from the engagement portion 604, and the latching member 143 continues to move in the second movement direction to avoid the movement of the disassembly member 500, thereby allowing the disassembly member 500 to be guided to the stop structure.

[0061] In response to the disassembly member 500 moving along the pushing surface 1436 to disengage from the pushing surface 1436, the snap-fit ​​member 143 moves along the first movement direction to the second stop surface 146 and couples with the second abutment surface 5032.

[0062] refer to Figure 8 , Figure 10 and Figure 11 And reference Figure 18-20 The stop structure also includes a first stop surface 1433. (Reference) Figure 10 , Figure 22 and Figure 27 The disassembly member 500 also has a first abutment surface 5031. In response to the disassembly member 500 moving along the push surface 1436 to disengage from the push surface 1436, the latching member 143 moves along a first direction of movement until the first stop surface 1433 abuts against the first abutment surface 5031, thereby coupling the second stop surface 146 with the second abutment surface 5032. The abutment between the first stop surface 1433 and the first abutment surface 5031 keeps the latching member 143 in a coupling position.

[0063] refer to Figure 6 and Figure 14 When the snap-fit ​​member 143 moves to the point where the first stop surface 1433 abuts against the first abutting surface 5031, the snap-fit ​​part 1431 has already separated from the joint part 604.

[0064] When disassembling the clamp 1, first push the disassembly part 500 so that the first stop surface 1433 abuts against the first support surface 5031, and then remove the disassembly part 500 from the rod assembly 6 to complete the disassembly of the clamp 1. Thus, the clamp 1 can be easily unlocked and disassembled by simply manipulating the disassembly part 500. There is no need to use multiple tools or for the doctor to assist by hand. The disassembly method is simple and easy to operate.

[0065] By setting the unlocked state, the locking part 1431 and the connecting part 604 are separated. Both the locking part 1431 and the connecting part 604 can be disengaged without deformation, which makes the disassembly resistance of the clamp 1 small, making it easy to disassemble the clamp 1, and will not exert force on the connecting part 604, thereby avoiding damage to the connecting part 604. This ensures that after the clamp 1 is replaced, the new clamp 1 can still be stably connected to the connecting part 604 of the shaft assembly 6.

[0066] refer to Figure 10 , Figure 21 and Figure 27 In the locked state, in response to the disassembly member 500 pushing against the latching member 143, the latching member 143 moves until the latching portion 1431 separates from the engaging portion 604, and the elastic member 142 is compressed, causing the clamping chamber 1 to switch from the locked state to the unlocked state. In the unlocked state, since the first stop surface 1433 abuts against the first abutting surface 5031, the latching member 143 can overcome the biasing force of the elastic member 142 and keep its latching portion 1431 separated from the engaging portion 604. At the same time, the second stop surface 146 couples with the second abutting surface 5032, so that when the disassembly member 500 moves in a direction away from the shaft assembly 6, the clamping chamber 1 can be disassembled from the shaft assembly 6.

[0067] refer to Figure 8 and Figure 20 The pushing surface 1436 intersects with the second stop surface 146. In response to the disassembly member 500 moving along the pushing surface 1436 until the disassembly member 500 disengages from the pushing surface 1436 at the point where it intersects with the second stop surface 146, the snap-fit ​​member 143 moves along the first movement direction until the second stop surface 146 couples with the second abutment surface 5032.

[0068] refer to Figure 10 and Figure 12 The disassembly component 500 also has a mating surface 5033 adapted to the pushing surface 1436. In response to the disassembly component 500 pushing against the pushing surface 1436, the mating surface 5033 of the disassembly component 500 moves along the pushing surface 1436 until its first abutting surface 5031 abuts against the first stop surface 1433 and its second stop surface 146 couples with the second abutting surface 5032. By providing the pushing surface 1436, the movement of the disassembly component 500 can be guided, allowing it to move smoothly to the desired position. By providing the pushing surface 1436 to cooperate with the mating surface 5033, the movement resistance of the disassembly component 500 is reduced, enabling the disassembly component 500 to move smoothly to the desired position.

[0069] The first stop surface 1433 is connected to the second stop surface 146. (Reference) Figure 7 and Figure 16The chamber 100 has a retaining wall 153. In the unlocked state, the first stop surface 1433 abuts against the first retaining surface 5031, and the second stop surface 146 is coupled to the second retaining surface 5032. In response to the disassembly member 500 moving away from the shaft assembly 6, the second retaining surface 5032 pushes against the second stop surface 146, thereby applying force to the latching member 143, causing the latching member 143 to abut against the retaining wall 153, and thus driving the clamp 1 to move away from the shaft assembly 6. By setting the latching member 143 to abut against the retaining wall 153 when the disassembly member 500 applies force to the latching member 143, the latching member 143 will not disengage from the chamber 100, but will instead drive the chamber 100 to move, thereby enabling the clamp 1 to move to disengage from the shaft assembly 6.

[0070] refer to Figure 10-11 and Figure 18-20 In some embodiments of this disclosure, the latching member 143 is provided with a stop groove 147, which is a stop structure. One part of the inner wall of the stop groove 147 forms a first stop surface 1433, and the other part of the inner wall forms a second stop surface 146. In response to the disassembly member 500 moving in the direction toward the shaft assembly 6 to push the latching member 143, the latching member 143 moves so that the disassembly member 500 partially enters the stop groove 147, thereby causing the first abutment surface 5031 of the disassembly member 500 to abut against the first stop surface 1433, and causing the second stop surface 146 to couple with the second abutment surface 5032 of the disassembly member 500. Thus, the disassembly member 500 and the latching member 143 are stably engaged, and the clamping chamber 1 can be kept in the unlocked state. When the disassembly member 500 moves away from the shaft assembly 6, the disassembly member 500 can drive the clamping chamber 1 to move to disengage from the shaft assembly 6.

[0071] refer to Figure 12 The disassembly component 500 has a disassembly portion 503, and a first abutting surface 5031, a second abutting surface 5032, and a mating surface 5033 are all disposed in the disassembly portion 503. In the unlocked state, the disassembly portion 503 of the disassembly component 500 enters the stop groove 147, causing the first abutting surface 5031 to abut against the first stop surface 1433, thereby coupling the second abutting surface 5032 with the second stop surface 146.

[0072] refer to Figure 8 , Figure 10 and Figure 11 And reference Figure 18-20 The pushing surface 1436 is inclined and engages with the entrance of the stop groove 147. In response to the disassembly member 500 pushing against the latching member 143, the mating surface 5033 of the disassembly member 500 moves along the pushing surface 1436 into the entry stop groove 147 of the disassembly member 500. The pushing surface 1436 guides the movement of the disassembly member 500 so that it smoothly enters the stop groove 147.

[0073] In the locked state, the elastic member 142 biases the latching member 143 toward the engagement portion 604, causing the latching portion 1431 of the latching member 143 to engage with the engagement portion 604 of the rod assembly 6. When disassembling the clamp 1, the disassembly portion 503 of the disassembly member 500 moves along the pushing surface 1436 and pushes against the latching member 143, causing the latching member 143 to move in the second movement direction so that its latching portion 1431 moves away from the engagement portion, thereby separating its latching portion 1431 from the engagement portion 604. During this process, the elastic member 142 is compressed. As the disassembly part 503 of the disassembly member 500 continues to move along the pushing surface 1436 until it disengages from the pushing surface 1436 and reaches the entrance of the stop groove 147, under the action of the elastic member 142, the locking member 143 moves along the first movement direction, causing the stop groove 147 to move toward the disassembly part 503 and engage with the disassembly part 503. Thus, the first stop surface 1433 of the stop groove 147 abuts against the first abutting surface 5031 of the disassembly part 503, and the second stop surface 146 of the stop groove 147 couples with the second abutting surface 5032 of the disassembly part 503. When the disassembly member 500 moves away from the shaft assembly 6, the clamp 1 is driven to move away from the shaft assembly 6.

[0074] During the process of the snap-fit ​​member 143 moving along the first movement direction under the action of the elastic member 142 to snap into the stop groove 147 and the disassembly part 503, the snap-fit ​​part 1431 of the snap-fit ​​member 143 moves toward the joint part 604 but does not engage with the joint part 604, but remains in a separate state.

[0075] refer to Figure 8 , Figure 10 and Figure 21 The storage compartment 100 has a first limiting part 154. (Reference) Figure 9-10 ,and Figure 21 The disassembly member 500 has a second limiting portion 5021. The elastic member 142 biases the latching member 143 toward the engagement portion 604, causing the latching member 143 to tend to move in the first direction of movement.

[0076] In the locked state, in response to the disassembly member 500 pushing against the latching member 143, the first limiting part 154 and the second limiting part 5021 abut against each other to restrict the disassembly member 500 from moving in the first direction of movement, so that the disassembly member 500 overcomes the biasing force applied by the elastic member 142 to the latching member 143, thereby pushing the latching member 143 to move in the second direction of movement so that its latching part 1431 separates from the joint part 604 of the rod assembly 6.

[0077] refer to Figure 10 and Figure 21When the clamp is in the unlocked state, the first limiting part 154 and the second limiting part 5021 remain in contact, so that the first abutting surface 5031 and the first stop surface 1433 can remain in contact.

[0078] refer to Figure 8 and Figure 17 The housing 100 is provided with a receiving groove 150, and the locking mechanism is disposed in the receiving groove 150. (Reference) Figure 7-8 and Figure 16-17 The housing 100 has a first opening 151 that is axially formed and communicates with the receiving groove 150. The elastic member 142 is disposed in the receiving groove 150. In the locked state, the snap-fit ​​portion 1431 of the snap-fit ​​member 143 extends from the receiving groove 150 through the first opening 151 to engage with the engagement portion 604.

[0079] refer to Figure 7-8 and Figure 16-17 The compartment 100 also has a second opening 152 that is perpendicular to the axial direction and communicates with the receiving groove 150. When disassembling the clamping compartment 1, the disassembly component 500 is inserted into the receiving groove 150 through the second opening 152 to cooperate with the clamping compartment 1, so as to disassemble the clamping compartment 1. The insertion hole of the compartment 100 described above can be formed by the second opening 152.

[0080] refer to Figure 12 In some embodiments of this disclosure, the disassembly member 500 includes a limiting rod 502, a connecting rod 504, and a disassembly portion 503 connected in sequence. The limiting rod 502 and the connecting rod 504 constitute the rod-shaped portion of the disassembly member 500. (See reference...) Figure 8 , Figure 10 and Figure 21 The inner wall of the second opening 152 forms the first limiting portion 154, and the outer wall of the limiting rod 502 forms the second limiting portion 5021. The second opening 152 can limit the disassembly member 500, ensuring that the disassembly member 500 can only move in a direction perpendicular to the axial direction, and cannot move towards the joint in the first direction of movement. (Reference) Figure 10 and Figure 21 The disassembly part 500 is inserted into the receiving groove 150 through the second opening 152. The limiting rod 502 of the disassembly part 500 is located in the second opening 152. During the process of the disassembly part 503 of the disassembly part 500 pushing against the snap-fit ​​part 143, the second opening 152 limits the movement of the limiting rod 502, so that the disassembly part 500 can only move in a direction perpendicular to the axial direction. The disassembly part 500 is restricted to move in the first movement direction.

[0081] As described above, the compartment 100 has a retaining wall 153. (Reference) Figure 7 , Figure 16 and Figure 21In some embodiments of this disclosure, the inner wall of the first opening 151 forms an abutment wall 153. In the unlocked state, in response to the movement of the disassembly member 500 away from the shaft assembly 6, the disassembly member 500 applies force to the latching member 143, causing the latching member 143 to abut against the inner wall of the first opening 151, thereby causing the clamping chamber 1 to move to disengage from the shaft assembly 6.

[0082] refer to Figure 12 To facilitate the entry of the disassembly portion 503 of the disassembly component 500 into the stop groove 147 along the pushing surface 1436, the disassembly portion 503 is conical in shape, so that the sidewall of the disassembly portion 503 is adapted to the pushing surface 1436. Both the first abutting surface 5031 and the mating surface 5033 are formed by the sidewall of the disassembly portion 503. The shape of the stop groove 147 is adapted to the shape of the disassembly portion 503, and the first stop surface 1433 is an arc-shaped surface to adapt to the shape of the disassembly portion 503.

[0083] refer to Figure 12 The disassembly component 500 also includes a handle portion 501, from which a limiting portion extends. The handle portion 501 is configured for use by a doctor holding the disassembly component 500. The handle portion 501 is relatively large, making it easy to manipulate and for the doctor to identify the disassembly component 500, so that the doctor can quickly retrieve the disassembly component 500 when the clamp 1 needs to be disassembled.

[0084] refer to Figure 8 In some embodiments of this disclosure, the latching member 143 is slidably connected to the housing 100, and the movement of the latching member 143 is linear, with the direction of movement perpendicular to the direction of movement of the disassembly member. The first direction of movement and the second direction of movement are both parallel to the second direction and are opposite to each other. Figure 8 Taking the angle as a reference, the first direction of motion is from left to right, and the second direction of motion is from right to left.

[0085] The elastic member 142 biases the latching member 143 toward the engagement portion 604, causing the latching member 143 to tend to move in a first direction of movement. In the locked state, in response to the disassembly member 500 pushing against the latching portion 143, the latching member 143 moves relative to the housing 100 in a second direction of movement to separate the latching portion 1431 from the engagement portion 604.

[0086] refer to Figure 11 The snap-fit ​​component 143 also has a pushing part 1432 and a sliding part 1434, with both the pushing part 1432 and the snap-fit ​​part 1431 disposed on the sliding part 1434. The stop groove 147 and the pushing surface 1436 are both disposed on the pushing part 1432.

[0087] In response to the movement of the disassembly member 500 to push against the pushing part 1432, the sliding part 1434 of the locking member 143 slides along the inner wall of the receiving groove 150. The locking member 143 also has a connecting part 1435, which is also provided on the sliding part 1434. Figure 11 For reference, the pushing part 1432 is disposed above the sliding part 1434, the connecting part 1435 is disposed on one side of the sliding part 1434 along the axial direction, and the engaging part 1431 is disposed on the opposite side of the sliding part 1434 along the axial direction. The elastic element 142 is, for example, a spring, and a part of the elastic element 142 is connected to the housing 100, for example, to the inner wall of the receiving groove 150. Figure 10 Another part of the elastic member 142 is sleeved on the connecting part 1435 and abuts against the sliding part 1434, so that the elastic member 142 can bias the sliding member along the first movement direction, so that the snap-fit ​​member 143 has the tendency to move along the first movement direction.

[0088] As mentioned above, the spindle 600 also has a thrust surface 606. (Reference) Figure 5 The joint 604 is a groove 605. When the clamp 1 is installed on the shaft assembly 6, the locking part 1431 enters the groove 605 along the pushing surface 606 and abuts against the inner wall of the groove 605, so that the locking part 1431 is restricted to move in a direction away from the shaft assembly 6.

[0089] refer to Figure 18-23 In other embodiments of this disclosure, the latching member 143 is rotatably connected to the housing 110. The movement of the latching member 143 is rotational, and the axis of rotation is parallel to the direction of movement of the disassembly member 500. The axis of rotation of the latching member 143 is parallel to a third direction. The first direction of movement and the second direction of movement are both rotational directions and are opposite to each other. The plane of rotation of the latching member 143 is perpendicular to the direction of movement of the disassembly member 500.

[0090] The elastic member 142 biases the latching member 143 toward the engagement portion 604, causing the latching member 143 to tend to rotate in the first direction of movement. In the locked state, in response to the movement of the disassembly member 500 to push the push portion 1432, the latching member 143 rotates relative to the housing 100 in the second direction of movement to separate the latching portion 1431 from the engagement portion 604.

[0091] refer to Figures 19-20 The latching member 143 also has a pushing part 1432 and a rotating part 1437. The rotating part 1437 of the latching member 143 is connected to the housing 100 via a rotating shaft 144. The pushing part 1432 is disposed between the latching part 1431 and the rotating part 1437. The stop groove 147 and the pushing surface 1436 are both disposed on the pushing part 1432.

[0092] The snap-fit ​​element 143 also has a stop block 1438, and the elastic element 142 is a torsion spring, which includes a helical portion 1421 and two torsion arms 1422 connected to the helical portion 1421. (See reference) Figure 20-21 The spiral portion 1421 is sleeved on the rotating shaft 144. One of the torsion arms 1422 abuts against the chamber 100, for example, against the inner wall of the receiving groove 150, and the other torsion arm 1422 abuts against the blocking block 1438, thereby biasing the snap-fit ​​member 143 into engagement with its snap-fit ​​portion 1431 and the engagement portion 604 in the locked state.

[0093] As mentioned above, the spindle 600 also has a thrust surface 606. (Reference) Figure 13-15 and Figure 23 The main shaft 600 is provided with a protrusion 607, one wall of which forms a pushing surface 606, and the other wall of which forms a connecting portion 604. Figure 15 For reference, the engagement portion 604 is located on the bottom wall of the protrusion 607, and the abutment surface 606 is located above the engagement portion 604 and extends obliquely downward to guide the snap-fit ​​portion 1431 of the snap-fit ​​member 143 to the bottom of the protrusion 607.

[0094] When the clamp 1 is installed on the shaft assembly 6, the clamp body 100 is pressed down, causing the locking part 1431 of the locking member 143 to move along the abutting surface 606 of the protrusion 607, thereby causing the locking member 143 to rotate in the second movement direction. When the locking part 1431 moves to disengage from the abutting surface 606, the locking part 1431 reaches the joint 604. The elastic member 142 drives the locking member 143 to rotate in the first movement direction, causing the locking part 1431 of the locking member 143 to reach the bottom of the protrusion 607, thereby engaging the locking part 1431 with the joint 604. At this time, if a force is applied to the clamp 1 in a direction away from the shaft assembly 6, the locking part 1431 abuts against the joint 604, preventing the locking member 143 from moving in a direction away from the shaft assembly 6, thereby ensuring a stable connection between the clamp 1 and the shaft assembly 6.

[0095] As described above, the snap-fit ​​portion 1431 of the snap-fit ​​member 143 extends from the receiving groove 150 through the first opening 151 to engage with the engagement portion 604. (See reference) Figure 16 A portion of the wall of the first opening 151 forms a limiting wall 1511, which limits the locking portion 1431. When the locking member 143 moves along the first movement direction until the locking portion abuts against the limiting wall 1511, the locking member 143 stops moving along the first movement direction. Thus, in the locked state, the locking portion 1431 of the locking member 143 can remain below the protrusion 607 to engage with the engagement portion 604, and the locking member 143 will not move along the first movement direction to the point where its locking portion 1431 is away from the engagement portion 604.

[0096] refer to Figure 26-27 In some further embodiments of this disclosure, the snap-fit ​​member 143 is rotatably connected to the housing 100. The axis of rotation of the snap-fit ​​member 143 is perpendicular to the direction of movement of the disassembly member 500. The axis of rotation of the snap-fit ​​member 143 is parallel to a third direction.

[0097] The housing 100 has a second stop surface 146, and the disassembly member 500 has a second abutment surface 5032. In the locked state, in response to the disassembly member 500 moving in a direction toward the shaft assembly 6 to push the latching member 143, the latching member 143 rotates in a second direction of movement to disengage the latching portion from the engaging portion, and the latching member 143 continues to rotate in the second direction of movement to push the disassembly member 500 toward the second stop surface 146, so that the second stop surface 146 couples with the second abutment surface 5032. In response to the disassembly member 500 moving in a direction away from the shaft assembly 6, the second abutment surface 5032 pushes against the second stop surface 146, thereby causing the disassembly member 500 to drive the clamping housing 1 to move to disengage from the shaft assembly 6.

[0098] During the rotation of the latching member 143 in the second direction of motion, the latching member 143 rotates along an arc trajectory, while the movement trajectory of the disassembly member 500 is a straight line trajectory that always intersects with the arc trajectory. As a result, the latching member 143 can push the disassembly member 500 toward the second stop surface 146.

[0099] The latching member 143 also has a first stop surface 1433, and the disassembly member 500 also has a first abutment surface 5031. In the locked state, in response to the disassembly member 500 pushing against the first stop surface 1433 to rotate the latching member 143 in a second direction of movement, causing the first stop surface 1433 of the latching member 143 to rotate toward the second stop surface 146, the latching member 143 pushes the disassembly member 500 toward the second stop surface 146, so that the second stop surface 146 couples with the second abutment surface 5032, for example, the latching member 143 pushes the disassembly member 500 to move axially so that the second stop surface 146 couples with the second abutment surface 5032.

[0100] refer to Figure 26-27 and Figure 29 The latching member 143 includes a pushing part 1432 and an arc-shaped rotating part 1437. The pushing part 1432 is located between the rotating part 1437 and the latching part 1431. The rotating part 1437 is connected to the housing 100 via a pivot 144. In response to the movement of the disassembly member 500 to push against the pushing part 1432, the latching member 143 rotates about the pivot 144 in a second direction of movement.

[0101] The elastic element 142 is connected to the rotating part 1437 and applies a force to the rotating part 1437, causing the rotating part 1437 to tend to rotate along the first direction of motion. For example, the elastic element 142 is a spring. Figure 30For reference, the spring applies force to the rotating part 1437 at a position below the center point of the rotating shaft 144, thereby causing the snap-fit ​​143 to have a tendency to deflect (i.e., deflect upward) in the first rotation direction.

[0102] refer to Figure 26 and Figure 28 The receiving groove 150 is provided with a limiting protrusion 101. Under the biasing action of the elastic member 142, the snap-fit ​​member 143 tends to deflect in the first rotation direction (i.e., deflect upward), so that the snap-fit ​​part 1431 abuts against the limiting protrusion 101 to limit the snap-fit ​​member 143.

[0103] refer to Figure 24A-25 The compartment has two waist-shaped grooves 160, each extending along a second direction. One end of the rotating shaft 144 is movably inserted into one of the waist-shaped grooves 160, and the other end is movably inserted into the other waist-shaped groove 160, so that the rotating shaft 144 can move along the length of the waist-shaped groove 160 and rotate within the waist-shaped groove 160.

[0104] As described above, the main shaft 600 also has a push surface 606. The push surface 606 is connected to the engagement portion 604. When the clamp 1 is installed on the shaft assembly 6, in response to the force applied to the clamp body 100, the locking portion 1431 moves along the push surface 606. The push surface 606 pushes against the locking portion 1431, causing the locking member 143 to move in the second direction, compressing the elastic member 142. During this process, the rotating shaft 144 moves in the waist-shaped groove 160 in the second direction. In response to the locking portion 1431 moving along the push surface 606 to the engagement portion 604, the locking portion 1431 disengages from the push surface 606, the elastic member 142 releases energy, causing the locking member 143 to move in the opposite direction to the second direction, thereby engaging the locking portion 1431 with the engagement portion 604. During this process, the rotating shaft 144 moves in the waist-shaped groove 160 in the opposite direction to the second direction.

[0105] refer to Figure 25 The compartment wall includes a first wall 171, a second wall 172, and a third wall 173. The inlet 104 of the compartment 1 is located between the first wall 171 and the second wall 172. A receiving groove 150 is formed between the second wall 172 and the third wall 173. A snap-fit ​​element is located between the first wall 172 and the second wall 173. One oblong groove 160 is formed in the second wall 172, and the other oblong groove 160 is formed in the second wall 173.

[0106] refer to Figure 31 The joint 604 is a groove 605. Figure 26-27 For reference and combination Figure 31When disassembling the clamping chamber 1, in response to the movement of the disassembly part 500 to push the push part 1432, the locking part 143 deflects around the rotating shaft 144 in the second rotation direction (i.e., deflects downward). The length and length direction of the groove 605 are adapted to the movement trajectory of the locking part 1431. The locking part 1431 of the locking part 143 swings along the length direction of the groove 605 until it disengages from the groove 605, and the clamping chamber 1 switches from the locked state to the unlocked state.

[0107] refer to Figure 26 The housing 100 is provided with a receiving groove 150, and the locking mechanism is disposed in the receiving groove 150. (Reference) Figure 26-27 The housing 100 has a first opening 151 that is axially formed and communicates with a receiving groove 150. An elastic member 142 is disposed in the receiving groove 150. In the locked state, the engaging portion 1431 of the engaging member 143 extends from the first opening 151 from the receiving groove 150 to engage with the connecting portion 604. (Reference) Figure 26-27 The compartment 100 also has a second opening 152 that is perpendicular to the axial direction and communicates with the receiving groove 150. When disassembling the clamping compartment 1, the disassembly component 500 is inserted into the receiving groove 150 through the second opening 152 to cooperate with the clamping compartment 1, so as to disassemble the clamping compartment 1. The insertion hole of the compartment 100 described above can be formed by the second opening 152.

[0108] refer to Figure 27 A positioning wall 1512 is formed at one part of the wall of the first opening 151. When the disassembly part 500 moves to push the pushing part 1432, the snap-fit ​​part 143 deflects (i.e., deflects downward) around the pivot 144 in the second rotation direction until it abuts against the positioning wall 1512 in the first opening 151 of the receiving groove 150. At this time, the snap-fit ​​part 1431 has separated from the joint part 604. The positioning wall 1512 limits the downward deflection of the snap-fit ​​part 143, so that the operator can accurately grasp the moment when the disassembly part 500 moves into place, resulting in a better user experience.

[0109] refer to Figure 32 The disassembly component 500 includes a handle portion 501, a connecting rod 504, and a disassembly portion 503 connected in sequence. The connecting rod 504 is the rod-shaped portion of the disassembly component 500. The handle portion 501 is configured for the doctor to hold and use the disassembly component 500. The handle portion 501 is relatively large, making it easy to manipulate and easy for the doctor to identify the disassembly component 500, so that the doctor can quickly retrieve the disassembly component 500 when it is necessary to disassemble the clamp 1.

[0110] refer to Figure 32The sidewall of the disassembly part 503 forms a first abutment surface 5031, and the upper end surface of the disassembly part 503 forms a second abutment surface 5032. When disassembling the clamping chamber 1, the bottom of the disassembly part 503 pushes against the pushing part 1432, causing the snap-fit ​​member 143 to deflect downward around the rotating shaft 144, thereby causing the first stop surface 1433 to rotate and abut against the sidewall (first abutment surface 5031) of the disassembly part 503. The first stop surface 1433 continues to rotate, thereby allowing the disassembly part 503 to move to the second stop surface 146, so that the upper end surface (second abutment surface 5032) of the disassembly part 503 couples with the second stop surface 146.

[0111] refer to Figures 24A-24B , Figure 26 and Figure 27 Since the rotating shaft 144 can move in the waist-shaped groove 160 along the length direction of the waist-shaped groove 160, when disassembling the clamping chamber, when the disassembly part 503 of the disassembly member 500 moves in the second opening 152 but does not reach the receiving groove 150, under the pushing action of the disassembly part 503, the locking member 143 moves in the second direction and deflects in the second rotation direction (deflects downward). When the disassembly part 503 of the disassembly member 500 moves to disengage from the second opening 152 and reaches the receiving groove 150, the second opening 152 no longer limits the disassembly part 503, so that the disassembly part 503 has space to move in the opposite direction to the second direction. Under the action of the elastic member 142, the disassembly part 503 is pushed to move in the opposite direction to the second stop surface 146, so that the upper end surface of the disassembly part 503 is coupled with the second stop surface 146.

[0112] refer to Figure 33 The clamping chamber 1 also includes a clamp disposed within the chamber body 100. The clamping pliers also include a jaw assembly 3 and a clamping delivery mechanism. The jaw assembly 3 is disposed at the distal end of the lever body assembly 6. In response to the clamping delivery mechanism moving to the distal end, the clamping delivery mechanism drives the clamp of the clamping chamber 1 to move into the jaw assembly 3.

[0113] The structure of compartment 1 will be further described below.

[0114] refer to Figures 33-34 The clamping compartment 1 includes at least two clamps 2. The at least two clamps 2 are stacked in the compartment body 100 with a offset along a first direction, such that the protrusions 240 of the at least two clamps 2 are offset along the first direction.

[0115] refer to Figures 33-34The clamping chamber 1 has a clamping cavity within its body 100, comprising a first cavity 102 and a second cavity 103 arranged sequentially and communicating along a first direction. At least two clamps 2 are stacked in a staggered manner along the first direction within the clamping cavity, with one clamp 2 housed in the second cavity 103 and the remaining clamps 2 housed in the first cavity 102. The clamping chamber 1 has an outlet 105 communicating with the second cavity 103. In response to applying force to the clamp 2 in the second cavity 103, the clamp 2 in the second cavity 103 moves along a second direction via the outlet 105 to disengage from the clamping chamber 1.

[0116] refer to Figures 33-34 The clamping chamber 1 is provided with an inlet 104 at one end along the second direction, and an outlet 105 at the opposite end along the second direction. Force can be applied to the clamp 2 inside the clamping chamber 1 through the inlet 104, so that the clamp 2 is disengaged from the clamping chamber 1 through the outlet 105.

[0117] The inlet 104 and outlet 105 of clamping chamber 1 are both connected to the second cavity 103. In response to applying force to the clamp 2 in the second cavity 103, the clamp 2 in the second cavity 103 moves along the second direction through the outlet 105 until it disengages from clamping chamber 1. After the clamp 2 in the second cavity 103 disengages from clamping chamber 1, the clamp 2 in the first cavity 102 sequentially enters the second cavity 103 along the first direction.

[0118] The number of clamps 2 inside the clamping chamber 1 does not affect the normal use of the clamping chamber 1. During the operation, a continuous clamping process generally applies three clamps 2 to the clamped object. In the embodiments of this disclosure, the clamping chamber 1 includes three clamps 2.

[0119] refer to Figure 34 The clamping chamber 1 also includes a biasing component 130, which is disposed within the chamber body 100. The biasing component 130 abuts against the first clamp 2 in the positive direction of the first direction to apply a force in the first direction to the clamp 2. (Reference) Figure 34 and Figure 37 In some embodiments of this disclosure, the biasing assembly 130 includes a biasing member 131 and a pushing member 132. A portion of the biasing member 131 is connected to the housing 100, and another portion is connected to the pushing member 132 to bias the pushing member 132 toward a first clamp 2 in a first positive direction and apply a force in the first direction to the clamp 2. (See reference...) Figures 38-40 In response to the clip 2 in the second cavity 103 disengaging from the clamping chamber 1, the biasing component 130 biases the clip 2 in the first cavity 102, causing it to move along a first direction into the second cavity 103. The aforementioned force also helps to stably hold the clip 2 within the clamping chamber 1.

[0120] refer to Figure 37The biasing element 131 is, for example, a spring. In some embodiments of this disclosure, the biasing assembly 130 is disposed in the first cavity 102 of the clamping chamber 1.

[0121] refer to Figures 35-36 The clamp 2 includes a connecting part 220 and two clamping arms 241. The two clamping arms 241 are connected via the connecting part 220 and can pivot relative to each other around the connecting part 220.

[0122] by Figure 34 With reference to the placement direction and angle of the clamping compartment 1, the first cavity 102 is positioned above the second cavity 103. For clarity, the three clamps 2 of the clamping compartment 1 are defined as clamp 231, clamp 232, and clamp 233 from top to bottom. The two clamping arms 241 of the clamps 2 are defined as the first clamping arm 200 and the second clamping arm 210, respectively. The connecting portion 220 of the clamps 2 and both clamping arms 241 have protrusions 240. The protrusion 240 of the first clamping arm 200 is defined as the first protrusion 201, the protrusion of the second clamping arm 210 as the second protrusion 211, and the protrusion 240 of the connecting portion 220 as the third protrusion 221.

[0123] In the initial state, clips 231 and 232 are both located in the first cavity 102, and clip 233 is located in the second cavity 103. Clip 231 is the first clip 2 along the positive direction of the first direction.

[0124] After clamp 233 disengages from clamping chamber 1, biasing component 130 pushes clamps 231 and 232 against each other, causing clamps 231 and 232 to move along the first direction. Clamp 232 enters the second cavity 103, while clamp 231 remains in the first cavity 102. After clamp 232 disengages from clamping chamber 1, biasing component 130 pushes clamp 231 back into the second cavity 103.

[0125] The first clamping arm 200, the second clamping arm 210, and the connecting portion 220 all have sidewalls. (Reference) Figure 36 The first clamping arm 200 has a hook 202 at its end away from the connecting portion 220. A first protrusion 201 is provided near the hook 202 on the first clamping arm 200, with both ends of the first protrusion 201 protruding relative to the two side walls of the first clamping arm 200. The second clamping arm 210 has two second protrusions 211 at its end away from the connecting portion 220. One second protrusion 211 is located on one side wall of the second clamping arm 210, and the other second protrusion 211 is located on the opposite side wall of the second clamping arm 210. A third protrusion 221 is provided at the connecting portion 220, with both ends of the third protrusion 221 protruding relative to the two side walls of the connecting portion 220.

[0126] by Figure 35 Taking the angle as a reference, and combining it with Figure 36 The stacking method of clamp 2 in clamp compartment 1 is as follows: The upper second protrusion 211 of clamp 231 abuts against the inner wall of clamping chamber 1, and the lower second protrusion 211 abuts against the side wall of the second clamping arm 210 of clamp 232. The upper end of the first protrusion 201 of clamp 231 abuts against the inner wall of clamping chamber 1. The upper end of the third protrusion 221 of clamp 231 abuts against the inner wall of clamping chamber 1.

[0127] The lower second protrusion 211 of clip 232 abuts against the side wall of the second clamping arm 210 of clip 233. The upper end of the first protrusion 201 of clip 232 abuts against the side wall of the first clamping arm 200 of clip 231. The upper end of the third protrusion 221 of clip 232 abuts against the side wall of the connecting portion 220 of clip 231.

[0128] The lower second protrusion 211 of clamp 233 abuts against the inner wall of clamping chamber 1. The upper end of the first protrusion 201 of clamp 233 abuts against the side wall of the first clamping arm 200 of clamp 232, and the lower end of the first protrusion 201 of clamp 233 abuts against the inner wall of clamping chamber 1. The upper end of the third protrusion 221 of clamp 233 abuts against the side wall of the connecting portion 220 of clamp 232, and the lower end of the third protrusion 221 of clamp 233 abuts against the inner wall of clamping chamber 1.

[0129] Clips 231, 232, and 233 are stacked along the first direction, which saves space and reduces the space occupied by the clamping compartment 1. The protrusions 240 of adjacent clips 2 are staggered along the first direction, so that the protrusions 240 of adjacent clips 2 can avoid each other, further reducing the space occupied by the stacked clips 2, and allowing the clips 2 to be stably stacked in the clamping compartment 1 without tipping over.

[0130] As described above, the clamping pliers also include a jaw assembly 3, which is located at the distal end of the shaft assembly 6. (Reference) Figure 2-3 The jaw assembly 3 includes two jaw arms 310. Each jaw arm 310 is pivotally connected to the spindle 600.

[0131] Clamp 1 has an inlet 104 and an outlet 105. (Reference) Figure 4 and Figure 38 The spindle 600 has a clamping channel 602, which is located at the far end of the clamping chamber 1 and the near end of the clamping channel 602 is connected to the outlet 105 of the clamping chamber 1. The far end of the clamping channel 602 leads to the space between the two clamping arms 310.

[0132] The clamping mechanism is configured to drive the movement of the clamp 2 in the clamping chamber 1. The clamping mechanism enters the clamping chamber 1 from the inlet 104. (Refer to...) Figure 2 and Figures 38-40In the initial state, the clamping clamp is not in operation, and the clamping mechanism is located in the clamping chamber 1. In response to the clamping mechanism moving to the distal end, the clamping mechanism pushes the clamp 2 from the clamping chamber 1 to the distal end and moves through the clamping channel 602 to between the two clamping arms 310.

[0133] The structure of the clamping pliers will be described in more detail below.

[0134] The clamp also includes an operating component and a transmission mechanism. The lever assembly 6 extends from the operating component.

[0135] refer to Figure 41 The operating components include a housing and a wrench 710, the wrench 710 being movably connected to the housing. The housing is divided into a head housing and a handle housing 700 extending from the underside of the head housing. The handle housing 700 and the wrench 710 constitute a handle assembly, allowing the operator to hold the handle housing 700 with one hand and pull the wrench 710, causing the wrench 710 to move relative to the handle housing 700, thereby causing the clamp to perform a clamping or releasing action. Those skilled in the art will readily recognize that although a wrench 710 is shown and described, the clamp disclosed herein may also be designed without it; for example, the clamp may be electric and may include an actuation button for actuating a motor to control the clamping and releasing actions of the clamp.

[0136] The wrench 710 can rotate towards the handle housing 700 to three specific positions: open, intermediate, and closed. Initially, when the user does not operate the wrench 710, it is in the open position. When the user operates the wrench 710 and the clamping is completed, the clamp 2 is delivered into the jaw assembly 3, and the wrench 710 is in the intermediate position. When the user operates the wrench 710 and the clamping is completed, the clamp 2 located in the jaw assembly 3 is applied to the tissue or blood vessel, and the wrench 710 is in the closed position.

[0137] The transmission mechanism includes a clamping mechanism and an applying mechanism. The clamping mechanism is configured to drive the clamp 2 into the jaw assembly 3 (clamping action), and the applying mechanism is configured to drive the jaw assembly 3 to close (clamping action). The wrench 710 drives the transmission mechanism to move, thereby driving the clamping mechanism and the applying mechanism to move, so that the clamping mechanism performs the clamping action and the applying mechanism performs the clamping action.

[0138] refer to Figure 41 and Figures 44-45The clamping mechanism includes a clamping drive tube 400 and a sleeve 401. The clamping drive tube 400 is housed within the housing of the operating assembly. The sleeve 401 is sleeved on the outside of the spindle 600 and also forms part of the shaft assembly 6. The proximal end of the sleeve 401 is connected to the clamping drive tube 400, and the distal end of the sleeve 401 engages with the jaw assembly 3. In response to the wrench 710 moving from the intermediate position to the closed position, the clamping drive tube 400 moves distally to drive the sleeve 401 distally, thereby driving the jaw assembly 3 to close.

[0139] refer to Figure 1 The sleeve 401 has an opening structure 402, through which the clamping chamber 1 can be inserted into the sleeve 401 and then installed on the spindle 600. When disassembling the clamping chamber 1, it is disassembled from the opening structure 402 and removed from the opening structure 402.

[0140] refer to Figures 41-45 The clamping mechanism also includes a clamping reset element 403, which is a spring. The clamping reset element 403 is configured to store energy as the clamping mechanism advances, and release this energy upon restoring its deformation, thereby providing power for the clamping mechanism's retraction and repositioning. The clamping reset element 403 is disposed within the head housing of the clamping clamp and sleeved on the sleeve 401. The proximal end of the clamping reset element 403 abuts against the distal end face of the clamping drive tube 400, and the distal end abuts against the inner wall of the head housing. In response to the clamping drive tube 400 moving distally, the clamping reset element 403 is compressed to store energy, and the clamping reset element 403 releases the energy, causing the clamping drive tube 400 to move proximally and reset, thus causing the sleeve 401 to move proximally and reset.

[0141] The jaw assembly 3 includes two jaw arms 310, each pivotally connected to the distal end of the spindle 600. (Reference) Figure 2-3 A clamp arm reset element 320, which is a spring, is provided between the two clamp arms 310. When the clamping drive tube 400 drives the sleeve 401 to move distally, the two clamp arms 310 can be at least partially received within the sleeve 401 from the distal end, causing the jaw assembly 3 to close. At this time, the clamp arm reset element 320 between the two clamp arms 310 is compressed, and the clamping reset element 403 is also compressed. After clamping is completed, the user releases the wrench 710. Under the action of the clamping reset element 403, the sleeve 401 moves proximally, and the two clamp arms 310 can extend from the distal end of the sleeve 401. The clamp arm reset element 320 releases energy, causing the jaw assembly 3 to open.

[0142] The clamping mechanism includes a clamping assembly, which includes a transmission assembly and a clamping block 413. The clamping block 413 is located at the distal end of the transmission assembly. In response to the transmission assembly moving to the distal end, the clamping block 413 pushes the clamp 2 to move to the distal end. The transmission assembly includes a rigid section and an elastic section connected together. The clamping block 413 is connected to the elastic section.

[0143] refer to Figures 38-40 as well as Figure 47 The transmission assembly includes a clamping rod 411 and a spring rod 412. (Reference) Figures 42-45 and Figure 47 The transmission assembly also includes a clamping drive tube 410.

[0144] The clamping drive tube 410 is connected to the proximal end of the clamping rod 411, the distal end of the clamping rod 411 is connected to the proximal end of the elastic rod 412, and the clamping block 413 is connected to the distal end of the elastic rod 412. The clamping drive tube 410 and the clamping rod 411 constitute the rigid section of the transmission assembly, while the elastic rod 412 constitutes the elastic section of the transmission assembly. The clamping rod 411 is rigid and not easily deformed, thus preventing it from bending during axial movement in the rod assembly 6 and causing obstruction of the transmission assembly.

[0145] refer to Figures 42-45 The clamping drive tube 410 is sleeved on the main shaft 600 and can move along the main shaft 600. The clamping drive tube 400 is sleeved on the clamping drive tube 410 and can move axially relative to the clamping drive tube 410. In response to the wrench 710 moving from the open position to the intermediate position, the clamping drive tube 410 moves to the distal end to drive the clamping rod 411 to move to the distal end, so that the clamping rod 411 drives the elastic rod 412 to move to the distal end, thereby the clamping block 413 drives the clamp 2 to move from the clamping chamber 1 into the jaw assembly 3.

[0146] The clamping mechanism also includes a clamping reset member 415, which is a spring. The clamping reset member 415 is configured to store energy when the clamping mechanism moves forward, and release the energy when the clamping reset member 415 returns to its original deformation, thereby providing power for the clamping mechanism to reset and retract.

[0147] refer to Figures 42-45 A clamping reset member 415 is sleeved on the spindle 600. The proximal end of the clamping reset member 415 abuts against the distal end face of the clamping drive tube 410. The distal end of the clamping reset member 415 is located inside the clamping drive tube 410 and abuts against a retaining ring 6011102 on the outer wall of the spindle 600. The retaining ring 6011102 extends circumferentially along the spindle 600. In response to the clamping drive tube 410 moving to the distal end, the distal end face of the clamping drive tube 410 gradually approaches the retaining ring 6011102, causing the clamping reset member 415 to be compressed and store energy. The clamping reset member 415 releases energy, causing the clamping drive tube 410 to move proximally and reset, thus causing the clamping assembly to move proximally and reset.

[0148] refer to Figure 39 The clamping drive tube 410 drives the clamping rod 411 to move distally, causing the elastic rod 412 and the clamping block 413 to also move distally to deliver the clamp 2 of the clamping chamber 1 into the jaw assembly 3. After the jaw assembly 3 closes, the clamping assembly is reset by the clamping reset member 415. In the initial state, the clamping block 413 at the distal end of the elastic rod 412 extends into the second cavity 103 of the clamping chamber 1 from the inlet 104.

[0149] refer to Figure 40 When the clamping assembly moves distally, pushing clamp 233 against jaw assembly 3, and then moves proximally to reset, clamps 231 and 232 both move downwards under the action of biasing assembly 130, allowing clamp 232 to enter the second cavity 103 for re-clamping. It should be noted that, referring to... Figure 39 Before the clamping assembly resets, the clamping assembly abuts against the clamp 233 after the clamping assembly pushes the clamp 233 against the jaw assembly 3. This prevents the clamps 231 and 232 from moving downwards. After the clamping assembly moves to the proximal end to reset, the clamps 231 and 232 can move into the second cavity 103 under the action of the biasing assembly 130.

[0150] The transmission mechanism selectively has a first transmission state and a second transmission state. In the first transmission state, the transmission mechanism drives the clamping mechanism to move to a distal end. In the second transmission state, the transmission mechanism drives the clamping mechanism to move to a distal end. The transmission mechanism also includes a switching mechanism. The wrench 710 abuts against the switching mechanism to provide power to the switching mechanism, which selectively transmits the power to either the clamping drive tube 410 or the clamping drive tube 400.

[0151] In the first transmission state, the switching mechanism is operably connected to the clamping drive tube 410. The switching mechanism drives the clamping drive tube 410 of the clamping assembly to move to the far end, thereby driving the clamping assembly to move to the far end, so that the clamping assembly drives the clamp 2 of the clamping chamber 1 to move into the jaw assembly 3 to wait for clamping.

[0152] In the second transmission state, the switching mechanism is separated from the clamp delivery drive tube 410, and the clamp delivery drive tube 410 no longer moves forward. At this time, the clamp 2 is located in the jaw assembly 3. The switching mechanism drives the clamp application drive tube 400 to move to the distal end, causing the sleeve 401 to move to the distal end, thereby closing the jaw assembly 3. The clamp 2 located in the jaw assembly 3 is applied to the tissue or blood vessel.

[0153] refer to Figure 41 The switching mechanism includes a base 420, a first clutch mechanism, and a second clutch mechanism. A wrench 710 abuts against the base 420 to provide power to the switching mechanism, causing it to move to a distal end.

[0154] refer to Figures 44-45 The clamping mechanism also includes two rods 404. The clamping drive tube 400 has two connecting parts 405. The distal end of one rod 404 is connected to one connecting part 405, and the distal end of the other rod 404 is connected to the other connecting part 405.

[0155] refer to Figures 44-45 Each rod 404 is provided with a sliding groove 4040 extending axially, and the sliding groove 4040 is a closed groove. The distal end of the sliding groove 4040 has a pushing part 4042.

[0156] refer to Figures 44-46 The base 420 also has two sleeve portions 423, one sleeve portion 423 being fitted onto one of the rods 404 and movable along one of the rods 404, and the other sleeve portion 423 being fitted onto another rod 404 and movable along the other rod 404. Oval holes 422 are all provided above the sleeve portions 423. Each sleeve portion 423 has a push post 450, one push post 450 being located in the sliding groove 4040 of one of the rods 404 and movable along the sliding groove 4040, and the other push post 450 being located in the sliding groove 4044 of the other rod 404 and movable along the sliding groove 4040.

[0157] The switching mechanism also includes a base reset member 460, which is capable of storing energy during the movement of the switching mechanism to the distal end. Upon releasing the energy, the switching mechanism moves to the proximal end and resets itself under the action of the base reset member 460. For example, the base reset member 460 is a spring.

[0158] refer to Figures 44-45 The clamping mechanism includes two base reset members 460. One base reset member 460 is sleeved on one of the rods 404, with its proximal end abutting against the distal end of one of the sleeve portions 423 and its distal end abutting against one of the connecting portions 405. The other base reset member 460 is sleeved on another rod 404, with its proximal end abutting against the distal end of another sleeve portion 423 and its distal end abutting against another connecting portion 405.

[0159] As the switching mechanism moves to the far end, the socket 423 gradually approaches the connecting part 405, the two base reset members 460 are compressed to store energy, and release energy, enabling the switching mechanism to move to the near end for reset.

[0160] The first clutch mechanism includes a first clutch element and a clutch switching mechanism. The first clutch element is connected to the clutch switching mechanism. The second clutch mechanism includes a second clutch element, namely the push column 450.

[0161] refer to Figure 44 and Figure 46 The base 420 has a through hole 421. When the transmission mechanism is in the first transmission state, the clamping drive tube 410 is housed in the through hole 421. The first clutch is connected to the clamping drive tube 410, so that the switching mechanism can drive the clamping drive tube 410 of the clamping assembly to move, thereby moving the clamping assembly and performing the clamping action. When the transmission mechanism is in the first transmission state, the pusher 450 slides in the sliding groove 4040 but does not reach the pushing part 4042 of the sliding groove 4040, so the transmission mechanism does not drive the clamping mechanism to move.

[0162] refer to Figure 44 and Figure 46 The through hole 421 penetrates the proximal end face of the base 420, allowing the base 420 to advance past the clamping drive tube 410. When the transmission mechanism is in the second transmission state, under the action of the clutch switching mechanism, the first clutch element separates from the clamping drive tube 410; the clamping drive tube 410 stops advancing, while the base 420 continues to advance, separating the base 420 from the clamping drive tube 410. At the same time, the pusher 450 abuts against the pusher 4042 to push the clamping drive tube 400 to move to the distal end, thereby driving the sleeve 401 to move to perform the clamping action.

[0163] The following is based on Figure 41 Using the placement angle of the clamp as a reference, the structure and principle of the switching mechanism will be explained in more detail: The clutch switching mechanism includes a guide post 430 connected to the first clutch component. The clamp head housing includes a first head housing 14 and a second head housing. The first head housing 14 and the second head housing are symmetrically arranged along the axial direction of the lever assembly 6. Guide rails are provided on the inner walls of both the first head housing 14 and the second head housing.

[0164] refer to Figure 41 The base 420 has two opposing oblong holes 422. A guide post 430 is housed in the base 420, with one end of the guide post 430 extending from one of the oblong holes 422 and moving on a guide rail of the first head housing 14. The other end of the guide post 430 extends from the other oblong hole 422 and moves on a guide rail of the second head housing. Each oblong hole 422 extends vertically, allowing the guide post 430 to move vertically.

[0165] refer to Figure 41 The guide rail includes a first guide surface 730 and a second guide surface 731, with the second guide surface 731 being higher than the first guide surface 730. The guide post 430 can move on the first guide surface 730 and the second guide surface 731. The first guide surface 730 is smoothly connected to the second guide surface 731 via an inclined surface, making the movement of the guide post 430 smoother.

[0166] The guide post 430 can move on the guide rail following the movement of the first clutch. When the guide post 430 moves on the first guide surface 730, the first clutch remains engaged with the clamping drive tube 410. Since the second guide surface 731 is higher than the first guide surface 730, when the guide post 430 moves to the second guide surface 731 of the guide rail, it drives the first clutch to move upward, causing the first clutch to disengage from the clamping drive tube 410. And when the first clutch disengages from the clamping drive tube 410, the second clutch (push post 450) abuts against the push part 4042 to push the clamping drive tube 400 to move distally.

[0167] refer to Figure 43 and Figure 45 The clamping drive tube 410 is an annular component, and an annular groove 4100 is provided on the outer circumferential surface of the clamping drive tube 410. (Reference) Figures 42-43 The first clutch element is housed in the base 420. The first clutch element includes a column 441, a stop 442, and a locking block 443. The upper end of the column 441 is connected to a guide column 430, allowing the column 441 to move the guide column 430 to a distal or proximal end, while the guide column 430 can move the column 441 vertically. The stop 442 is located at the bottom end of the column 441, and the locking block 443 is located at the bottom end of the stop 442. The bottom end of the locking block 443 is detachably connected to the feed drive tube 410.

[0168] In the first transmission state, the engaging block 443 is located in the annular groove 4100, and the engaging block 443 can drive the clamping drive tube 410 to move distally. In the second transmission state, the engaging block 443 moves upward and disengages from the annular groove 4100. The proximal end face of the engaging block 443 is an inclined surface, so that when the first clutch is reset, the proximal end face of the engaging block 443 can return to the proximal end of the annular groove 4100.

[0169] refer to Figure 43 The first clutch also includes an elastic element 444. The base 420 also has an abutment portion 424. The elastic element 444 is sleeved on the column 441, with its upper end abutting against the abutment portion 424 and its lower end abutting against the upper end of the stop block 442. In the first transmission state, the elastic element 444 is in a compressed state, and the elastic element 444 exerts a downward force on the stop block 442, making the bottom end of the locking block 443 more stably abut against the feeding drive tube 410, thereby improving the stability of the feeding action.

[0170] In response to the guide post 430 moving from the first guide surface 730 to the second guide surface 731, the column 441 of the first clutch member is raised, causing the elastic element 444 to be further compressed, resulting in a downward tendency for the column 441 of the first clutch member. In response to the guide post 430 moving from the second guide surface 731 to the first guide surface 730, the elastic element 444 drives the column 441 of the first clutch member to move downward until it abuts against the clamping drive tube 410.

[0171] The clamping drive tube 410 is located near the clamping drive tube 400. When the transmission mechanism is in the first transmission state, under the action of the wrench 710, the base 420 moves to the far end, the first clutch moves to the far end, and the guide column 430 moves to the far end along the first guide surface 730 under the action of the first clutch. When the guide column 430 moves from the first guide surface 730 to the second guide surface 731, the guide column 430 drives the first clutch to move upward, so that the first clutch separates from the clamping drive tube 410, and the transmission mechanism switches to the second transmission state.

[0172] When the transmission mechanism is in the first transmission state, the switching mechanism engages with the clamping drive tube 410, and the clamping pliers perform the clamping action. The user operates the wrench 710, causing the first clutch to push the clamping drive tube 410 of the clamping assembly to move to the distal end, thereby moving the clamping assembly to the distal end. The clamping assembly pushes the clamp 2 from the proximal end of the clamp 2 in the second cavity 103 of the clamping chamber 1 to the jaw assembly 3. At this time, the clamping is completed, and the wrench is in the middle position.

[0173] When the transmission mechanism is in the second transmission state, under the action of the clutch switching mechanism, the first clutch element separates from the clamping drive tube 410, and the clamping pliers perform the clamping action. When the user operates the wrench 710, the base 420 moves forward, the clamping drive tube 410 stops moving forward, the push column 450 abuts against the push part 4042 to push the clamping drive tube 400 to move to the distal end, thereby driving the sleeve 401 to move to perform the clamping action. At this time, the clamping is completed, and the wrench is in the closed position.

[0174] In summary, when disassembling the clamp 1, it is only necessary to first push the disassembly part 500 until the disassembly part 500 and the clamp 1 are stably engaged, and then remove the disassembly part 500 from the rod assembly 6 to complete the disassembly of the clamp 1. Thus, the clamp 1 can be easily unlocked and disassembled by simply manipulating the disassembly part 500. There is no need to use multiple tools or for doctors to manually replicate the disassembly. The disassembly method is simple, labor-saving, and easy to operate.

[0175] By setting the locking mechanism to the unlocked state and moving it to the point where the locking part 1431 separates from the joint part 604, the locking mechanism does not need to deform, thus not exerting force on the joint part 604. This results in low resistance to disassembling the clamp 1, making it easy to disassemble the clamp 1 without damaging the joint part 604 of the clamping clamp. This ensures that after replacing the clamp 1, the new clamp 1 can still be stably connected to the shaft assembly 6.

[0176] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0177] The detailed descriptions listed above are merely specific descriptions of feasible implementations of this disclosure and are not intended to limit the scope of protection of this disclosure. All equivalent implementations or modifications made without departing from the spirit of the art of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A clamping pliers, characterized in that, include: A shaft assembly having a joint; The clamping compartment includes a compartment body and a locking mechanism movably disposed on the compartment body, the locking mechanism having a locking part; A disassembly component, which is selectively connected to the clamping chamber; The clamp has a locked state and an unlocked state relative to the shaft assembly; In the locked state, the latching portion engages with the engaging portion to lock the clamping compartment to the shaft assembly; in response to the disassembly member moving in a direction toward the shaft assembly to push against the latching mechanism, the latching mechanism moves to disengage the latching portion from the engaging portion, thereby switching the clamping compartment relative to the shaft assembly from the locked state to the unlocked state; In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member drives the clamp, which is operably connected to it, to move to disengage from the shaft assembly.

2. The clamping pliers according to claim 1, characterized in that, In the unlocked state, in response to the disassembly member moving away from the shaft assembly, the disassembly member pushes against the clamp, causing the clamp to move to disengage from the shaft assembly.

3. The clamping forceps according to claim 1, characterized in that, The disassembly component has a first engagement portion, and the clamping chamber has a second engagement portion; In the locked state, in response to the disassembly member moving in a direction toward the shaft assembly, the first engagement portion of the disassembly member engages with the second engagement portion of the clamp to connect the disassembly member to the clamp.

4. The clamping pliers according to claim 3, characterized in that, The first joint and the second joint are engaged by friction or magnetic force.

5. The clamping pliers according to claim 2, characterized in that, The clamping chamber has a second stop surface, and the disassembly component has a second abutting surface; In the locked state, in response to the disassembly member moving in the direction toward the rod assembly to push against the locking mechanism, the locking mechanism moves to disengage the locking portion from the engagement portion, and the locking mechanism continues to move to avoid the movement of the disassembly member, thereby allowing the disassembly member to move to the point where the second stop surface couples with the second abutment surface; In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the second abutment surface abuts against the second stop surface, causing the disassembly member to drive the clamping mechanism to disengage from the shaft assembly.

6. The clamping pliers according to claim 5, characterized in that, The latching mechanism includes a latching member having the latching portion; the latching member further includes a pushing surface and a stop structure, the pushing surface being connected to the stop structure, the stop structure including a second stop surface; the latching member is configured to have a tendency to move along a first direction of motion; In response to the movement of the disassembly member along the pushing surface to push against the latching member, the latching member moves in a second direction of movement to separate the latching portion from the engaging portion, and the latching member continues to move in the second direction of movement to avoid the movement of the disassembly member, thereby allowing the disassembly member to be guided to the stop structure; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the snap-fit ​​member moves along a first movement direction to couple the second stop surface with the second abutment surface.

7. The clamping pliers according to claim 6, characterized in that, The stop structure further includes a first stop surface; the disassembly component also has a first abutting surface; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the snap-fit ​​member moves along the first movement direction until the first stop surface abuts against the first abutting surface, thereby coupling the second stop surface with the second abutting surface.

8. The clamping pliers according to claim 6, characterized in that, The pushing surface intersects with the second stop surface; In response to the disassembly member moving along the pushing surface until the disassembly member disengages from the pushing surface at the intersection of the pushing surface and the second stop surface, the snap-fit ​​member moves along the first movement direction until the second stop surface couples with the second abutment surface.

9. The clamping forceps according to any one of claims 6-8, characterized in that, The latching component is slidably connected to the compartment body, and the movement of the latching component is linear, with the direction of movement perpendicular to the direction of movement of the disassembly component.

10. The clamping forceps according to any one of claims 6-8, characterized in that, The snap-fit ​​component is rotatably connected to the compartment body, and the snap-fit ​​component moves by rotating, with its axis of rotation parallel to the direction of movement of the disassembly component.

11. The clamping pliers according to claim 5, characterized in that, The latching mechanism includes a latching member having a latching portion; the latching member is rotatably connected to the compartment body; the compartment body has a second stop surface, and the disassembly member has a second abutting surface; In the locked state, in response to the disassembly member moving in the direction toward the shaft assembly to push against the latching member, the latching member rotates in the second direction of movement to separate the latching portion from the engagement portion, and the latching member continues to rotate in the second direction of movement to push the disassembly member toward the second stop surface, so that the second stop surface couples with the second abutment surface.

12. The clamping pliers according to claim 11, characterized in that, The rotation axis of the snap-fit ​​component is perpendicular to the movement direction of the disassembly component.

13. The clamping forceps according to any one of claims 6-8 and 11-12, characterized in that, The latching mechanism further includes an elastic element; a portion of the elastic element is connected to the housing, and another portion of the elastic element is connected to the latching member; the elastic element applies a force to the latching member to make the latching member tend to move along a first direction of motion.

14. The clamping pliers according to claim 1, characterized in that, The latching mechanism includes a latching member and an elastic member. The latching member has the latching portion. A portion of the elastic member is connected to the housing, and another portion of the elastic member is connected to the latching member. The rod assembly also has a pushing surface, which is connected to the joint portion. In response to applying force to the chamber body, the snap-fit ​​portion of the snap-fit ​​member moves along the abutting surface, and the abutting surface pushes against the snap-fit ​​portion to cause the snap-fit ​​member to move in a second direction of movement, causing the elastic member to deform to store energy; In response to the snap-fit ​​portion moving along the abutment surface to the engagement portion, the elastic member releases energy to bias the snap-fit ​​portion toward the engagement portion, causing the snap-fit ​​portion to move in a first direction of motion to engage the snap-fit ​​portion with the engagement portion.

15. The clamping pliers according to claim 1, characterized in that, One end of the compartment is provided with a snap-fit ​​mechanism, and the opposite end of the compartment is provided with a plug; the rod assembly also has a slot; When the insert is in the slot and the clip is in the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member drives the clip to rotate around the insert to disengage the clip from the shaft assembly.

16. A clamping pliers, characterized in that, include: A shaft assembly having a joint; The clamping compartment includes a compartment body, an elastic element, and a snap-fit ​​element. The snap-fit ​​element is movably disposed on the compartment body, and a portion of the elastic element is connected to the compartment body, while the other portion is connected to the snap-fit ​​element. A disassembly component, which is selectively connected to the clamping chamber; The clamping chamber has a locked state and an unlocked state relative to the shaft assembly; In the locked state, the elastic member biases the latching member toward the engagement portion to engage the latching member with the engagement portion. In response to the disassembly member moving in the direction toward the shaft assembly to push against the latching member, the latching member overcomes the biasing force of the elastic member and moves to disengage from the engagement portion, and the clamp switches from the locked state to the unlocked state. In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the disassembly member causes the clamp, which is operably connected to it, to move to disengage from the shaft assembly.

17. The clamping pliers according to claim 16, characterized in that, In the unlocked state, in response to the disassembly member moving away from the shaft assembly, the disassembly member pushes against the clamp, causing the clamp to move to disengage from the shaft assembly.

18. The clamping pliers according to claim 17, characterized in that, The clamping chamber has a second stop surface, and the disassembly component has a second abutting surface; In the locked state, in response to the disassembly member moving in the direction toward the rod assembly to push against the locking mechanism, the locking mechanism moves to disengage the locking portion from the engagement portion, and the locking mechanism continues to move to avoid the movement of the disassembly member, thereby allowing the disassembly member to move to the point where the second stop surface couples with the second abutment surface; In the unlocked state, in response to the disassembly member moving in a direction away from the shaft assembly, the second abutment surface abuts against the second stop surface, causing the disassembly member to drive the clamping mechanism to disengage from the shaft assembly.

19. The clamping pliers according to claim 18, characterized in that, The latching member further includes a pushing surface and a stop structure, the pushing surface being connected to the stop structure, and the stop structure including a second stop surface; the elastic member applies a force to the latching member, causing the latching member to have a tendency to move along a first direction of motion; In response to the disassembly member moving along the pushing surface to push against the latching member, the latching member moves in a second direction of motion to separate the latching portion from the engaging portion, and the latching member continues to move in the second direction of motion to avoid the movement of the disassembly member, thereby allowing the disassembly member to be guided to the stop structure; the movement of the latching member in the second direction of motion causes the elastic member to deform to store energy; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the elastic member releases energy, causing the snap-fit ​​member to move in a first direction of motion to couple the second stop surface with the second abutment surface.

20. The clamping forceps according to claim 19, characterized in that, The stop structure further includes a first stop surface; the disassembly component also has a first abutting surface; In response to the disassembly member moving along the pushing surface to disengage from the pushing surface, the snap-fit ​​member moves along the first movement direction until the first stop surface abuts against the first abutting surface, thereby coupling the second stop surface with the second abutting surface.

21. The clamping pliers according to claim 18, characterized in that, The snap-fit ​​component is rotatably connected to the compartment body; the compartment body has a second stop surface; In the locked state, in response to the disassembly member moving in the direction toward the shaft assembly to push against the latching member, the latching member rotates in the second direction of movement to separate the latching portion from the engagement portion, and the latching member continues to rotate in the second direction of movement to push the disassembly member toward the second stop surface, so that the second stop surface couples with the second abutment surface.

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