Adapter for clip applier and clip applier

Abstract

The present invention belongs to the technical field of medical devices, and in particular relates to an adapter for a clip applier and a clip applier. The clip applier includes a clip magazine assembly and an adapter. The clip magazine assembly is provided with a locking structure. The adapter includes an adapter housing and a locking mechanism. When an operating member on the adapter housing moves in the proximal direction under the action of an external force in the proximal direction, the locking mechanism allows the clip magazine assembly of the clip applier to be inserted into and removed from the adapter housing. When the external force in the proximal direction disappears, the locking mechanism causes the operating member to move in the distal direction to its original position and can cooperate with the locking structure on the clip magazine assembly to lock the clip magazine assembly in the adapter. As a result, the clip magazine assembly is easy to install and disassemble, and has a fool-proof effect.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and in particular relates to an adapter for a clip applier and the clip applier. Background Art

[0002] Surgical clip appliers are commonly used to clamp tubular tissue during surgical procedures to prevent leakage of fluid from the tubular tissue.

[0003] In the prior art, the clip cartridge assembly of a clip applier is removably mounted on an adapter of the clip applier and communicates with the adapter. The adapter identifies information about the clips within the cartridge assembly and executes corresponding programmed actions. However, during installation and removal, the connection between the adapter and the cartridge assembly is complex, making installation and removal of the cartridge assembly difficult, which in turn makes it difficult for the user to operate the clip applier, resulting in low work efficiency. Summary of the Invention

[0004] (1) Technical issues to be resolved

[0005] In order to solve the above problems in the prior art, the present invention provides an adapter for a clip applier and a clip applier, which facilitates the installation and removal (i.e., plugging and unplugging) between the clip cartridge assembly and the adapter and has a fool-proof effect.

[0006] (2) Technical solution

[0007] In order to achieve the above objectives, the main technical solutions adopted by the present invention include:

[0008] On the one hand, the present invention provides an adapter for a clip applier, which includes an adapter housing, the adapter housing including an operating member that can move in the distal direction; the adapter also includes a locking mechanism, which is arranged in the adapter housing; the operating member moves in the proximal direction under the action of an external force in the proximal direction, prompting the locking mechanism to allow the clip magazine assembly of the clip applier to be inserted into and pulled out of the adapter housing; when the external force in the proximal direction disappears, the locking mechanism prompts the operating member to move to its original position in the distal direction, and can cooperate with the locking structure of the clip magazine assembly to lock the clip magazine assembly in the adapter.

[0009] Preferably, the adapter housing includes a main housing and a rotating housing, and the rotating housing is rotatably connected to the main housing; wherein the rotating housing includes a detachably connected distal rotating shell and a proximal rotating shell, the proximal rotating shell serves as an operating member, and the original position of the proximal rotating shell is the position where the proximal rotating shell is connected to the distal rotating shell; or an operating part that can be moved far and near is provided on the rotating housing, and the operating part serves as the operating member.

[0010] Preferably, the adapter for the clip applier also includes a guide ring, which extends from the proximal end of the rotating shell into the rotating shell, and the proximal end of the guide ring is connected to the main shell; a guiding part is provided on the guide ring and the rotating shell, and the guiding part performs bidirectional automatic guidance for the clamping magazine assembly during the process of inserting the clamping magazine assembly into the rotating shell; the locking mechanism and the locking structure can be matched on the basis of bidirectional automatic guidance.

[0011] Preferably, the locking mechanism includes a slot arranged at the distal end of the guide ring and the rotating shell, which is used to connect with the connector on the clamping magazine assembly to form a circumferential lock; the guide portions of the guide ring and the rotating shell are both arranged in a guide groove at the distal end of both, and the guide groove extends circumferentially from a point on the distal end surface and gradually increases in depth to the connecting slot during the extension process.

[0012] Preferably, the locking mechanism also includes a locking ring, a limit piece, an elastic piece and a locking piece; the locking ring is adjacent to the proximal rotating shell / operating part and is slidably mounted on the guide ring, the limit piece is fixed on the outside of the guide ring, the elastic piece is mounted on the outside of the guide ring and together with the limit piece constitutes an axial limit for the locking ring; the locking piece is arranged on the guide ring; when the locking ring is subjected to an external force in the proximal direction of the proximal rotating shell / operating part: the locking ring moves in the proximal direction, prompting the locking piece to not lock the clamping magazine assembly, and the locking ring compresses the elastic piece; when the external force applied to the locking ring disappears: the elastic piece prompts the locking ring to move in the distal direction and the locking ring pushes the proximal rotating shell / operating part to move in the distal direction until the locking ring abuts against the limit piece, at this time the proximal rotating shell is connected to the distal rotating shell / operating part and the operating part is in place, and the locking ring prompts the locking piece to form at least an axial lock with the locking groove of the clamping magazine assembly.

[0013] Preferably, a locking piece is arranged within a circumference or at least two locking pieces are evenly arranged, and an auxiliary locking structure for cooperating with the auxiliary locking mechanism in the clamping magazine assembly is provided on the guide ring, and the auxiliary locking mechanism and the auxiliary locking structure can match on the basis of bidirectional automatic correction; or locking pieces are arranged within multiple circumferences, wherein a locking piece is arranged within each circumference or at least two locking pieces are evenly arranged; wherein the locking piece is a locking bead, and a mounting hole for accommodating the locking bead is provided on the guide ring, and the diameter of the mounting hole at the inner wall of the guide ring is smaller than its diameter at the outer wall of the guide ring, and the diameter of the locking bead is located between the two end diameters of the mounting hole, and the inner surface of the locking ring includes a pressure ring surface and an annular inclined surface connected along the distal and proximal directions, and the annular inclined surface is inclined outward in the distal direction, and when the locking ring abuts against the limit piece, the outer end of the locking bead presses against the pressure ring surface, and when the locking ring moves toward the proximal direction until the locking bead disengages from the pressure ring surface, the locking bead moves outward when subjected to an outward external force.

[0014] On the other hand, the present invention provides a clip applier, including a clip magazine assembly and the above-mentioned adapter; a locking structure is provided in the clip magazine assembly; when the operating member moves toward the proximal direction under the action of an external force toward the proximal direction, the clip magazine assembly can be inserted into and pulled out of the adapter housing; when the external force toward the proximal direction disappears, the locking mechanism cooperates with the locking structure to lock the clip magazine assembly in the adapter housing.

[0015] Preferably, the clamping magazine assembly includes a locking structure and an auxiliary locking mechanism. The locking structure cooperates with the locking mechanism of the adapter, and the auxiliary locking mechanism cooperates with the auxiliary locking structure in the adapter to form a double lock. When the clamping magazine assembly is inserted into place, the auxiliary locking mechanism and the auxiliary locking structure lock the clamping magazine assembly in the adapter housing. The process of the clamping magazine assembly moving in the distal direction due to the action of external force in the distal direction can cause the auxiliary locking mechanism and the auxiliary locking structure to disengage.

[0016] Preferably, the clamping magazine assembly includes a clamping magazine shell, the clamping magazine shell includes a clamping magazine fixed shell and a clamping magazine rotating shell that are rotatably connected together, an identification signal generating structure is arranged at the proximal end of the clamping magazine fixed shell, and a fixed identification signal receiver is provided in the adapter, and the identification signal receiver is communicatively connected to the identification signal generating structure; the adapter shell includes a main body shell and a rotating shell, and the rotating shell is rotatably connected to the main body shell; through the cooperation of the locking mechanism and the locking structure, the clamping magazine fixed shell and the guide ring can be selectively locked, and the clamping magazine rotating shell and the rotating shell can be selectively locked; the auxiliary locking mechanism cooperates with the auxiliary locking structure on the guide ring to lock the clamping magazine fixed shell and the guide ring when the clamping magazine assembly is inserted into place.

[0017] Preferably, the auxiliary locking mechanism includes an elastic ring located in the inner wall groove of the clamping magazine fixing shell, and one or at least two spring buckles connected to the elastic ring; the auxiliary locking structure is one or at least two positioning holes arranged on the inner wall of the guide ring, and the spring buckles pass through the through hole on the clamping magazine fixing shell and engage with the positioning holes.

[0018] Preferably, the locking structure includes a locking groove arranged on the outer surface of the clamp magazine fixed shell, and the locking groove is locked with the locking bead; the locking structure also includes a connector arranged on the clamp magazine fixed shell, the connector is inserted into the slot on the guide ring, and the connection between the connector and the slot also constitutes a circumferential locking of the clamp magazine fixed shell and the guide ring; the locking structure also includes a connector arranged on the clamp magazine rotating shell, the connector is inserted into the slot on the rotating outer shell, and the connection between the connector and the slot also constitutes a circumferential locking of the clamp magazine rotating shell and the rotating outer shell; the axial distance between the connector on the clamp magazine fixed shell and the connector on the clamp magazine rotating shell is greater than the axial distance between the slot on the guide ring and the slot on the rotating outer shell.

[0019] Preferably, the identification signal generating structure is an identification information storage chip, which is provided with two groups of pins that can be connected to the identification signal receiver. When the connector is plugged into the slot, the identification signal receiver is connected to a group of pins; wherein each group of pins includes one or at least two pins.

[0020] (3) Beneficial effects

[0021] The beneficial effects of the present invention are:

[0022] In the adapter for a clip applier of the present invention, pulling the operating member of the adapter housing toward the proximal end allows the locking mechanism to no longer restrict the insertion and removal of the clip cartridge assembly. The clip cartridge assembly can then be freely inserted and removed. After the clip cartridge assembly is inserted into the adapter, removing the proximal pulling force locks the clip cartridge assembly and adapter. This facilitates installation and removal (i.e., insertion and removal) of the clip cartridge assembly, facilitating user operation and improving work efficiency. Furthermore, the clip cartridge assembly cannot be removed from a non-installed position, preventing insertion and removal errors that could lead to adverse consequences. This provides a foolproofing effect and improves user safety and reliability.

[0023] The clip applier provided by the present invention facilitates installation and removal (i.e., insertion and removal) of the clip cartridge assembly, facilitating user operation and thereby improving work efficiency. Furthermore, the clip cartridge assembly cannot be removed from a non-installed position, thereby preventing insertion and removal errors and providing a foolproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic structural diagram of a clip applier according to embodiment 1 of the present invention;

[0025] Figure 2 for Figure 1 a schematic cross-sectional view of a clip applier;

[0026] Figure 3 for Figure 2 A magnified view of Figure B shows the adapter and cartridge assembly locked.

[0027] Figure 4 for Figure 2 A magnified view of another state of B, in which the adapter and the clamping cartridge assembly are unlocked;

[0028] Figure 5 for Figure 1 A schematic diagram of the structure of the clip cartridge assembly in the clip applier;

[0029] Figure 6 for Figure 5 Schematic diagram of the cross section of AA;

[0030] Figure 7 for Figure 5 Schematic diagram of the structure of the fixed shell end of the middle clamping chamber;

[0031] Figure 8 for Figure 1 A schematic diagram of the structure of the adapter in the clip applier;

[0032] Figure 9 Schematic diagram of the end face structure of the guide ring in the adapter;

[0033] Figure 10 This is a partial cross-sectional schematic diagram of Example 2 of the clip applier provided by the present invention.

[0034] [Description of Reference Numerals]

[0035] 1: Clip assembly; 11: Clip housing; 111: Clip fixed housing; 1111: First connector; 1112: Locking slot; 1113: Spring buckle; 1114: Elastic ring; 1115: Clip shaft; 1116: Identification information storage chip; 11161: Pin; 1117: Mushroom-shaped buckle; 1118: Elastic seat; 112: Clip rotating housing; 1121: Second connector; 12: Rod; 13: End Actuator; 2: Adapter; 21: Rotating housing; 211: Distal rotating housing; 212: Proximal rotating housing; 2121: Locking ring; 21211: Annular bevel; 21212: Pressing annular surface; 2122: Limiting member; 2123: Elastic member; 2124: Guide ring; 2125: Locking member; 2126: Positioning hole; 2127: First slot; 2128: First guiding portion; 22: Main housing; 221: Drive shaft. DETAILED DESCRIPTION

[0036] To better explain the present invention and facilitate understanding, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments. The term "distal" in the present invention refers to the side closest to the patient, and "proximal" refers to the side closest to the operator. The term "circumferential" in the present invention refers to the direction perpendicular to the axis of the clip assembly and adapter.

[0037] Example 1

[0038] like Figures 1-9 As shown, this embodiment provides a clip applier, which includes a clip cartridge assembly 1 and an adapter 2 .

[0039] Among them, such as Figure 1 and Figure 5 As shown, the clamping cartridge assembly 1 includes a clamping cartridge housing 11 , a rod body 12 and an end effector 13 .

[0040] In this embodiment, the clamping magazine housing 11 is configured as two shells that rotate relative to each other, that is, the clamping magazine housing 11 includes a clamping magazine fixed shell 111 and a clamping magazine rotating shell 112, the clamping magazine rotating shell 112 is rotatably connected to the distal end of the clamping magazine fixed shell 111, and the proximal end of the clamping magazine fixed shell 111 is provided with an identification signal generating structure for establishing communication with an identification signal receiver fixedly provided in the adapter 2. A communicating accommodating cavity is provided in the clamping magazine fixed shell 111 and the clamping magazine rotating shell 112. In this embodiment, the clamping magazine fixed shell 111 and the clamping magazine rotating shell 112 are both rotating bodies, and the axes of the two coincide. Preferably, the clamping magazine fixed shell 111 and the clamping magazine rotating shell 112 are both composed of two shells that are symmetrically spliced ​​and fixed by snap connection, so that the installation and disassembly between the clamping magazine fixed shell 111 and the clamping magazine rotating shell 112 are convenient. It can be understood that the parts of the clamping magazine assembly 1 that need to rotate when the clamp applier is working will be fixedly connected to the clamping magazine rotating shell 112, and the remaining parts that do not need to rotate will be fixedly connected to the clamping magazine fixed shell 111 (the fixed connection here is not limited to a non-detachable connection, but refers to a relatively static connection relationship during operation).

[0041] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 8 As shown, the adapter 2 includes an adapter housing, which includes a rotating housing 21 and a main housing 22. The main housing 22 is the portion of the clip applier that does not rotate during operation. The rotating housing 21 is rotatably connected to the main housing 22 to drive the rotation of the clip cartridge assembly 1 in whole or in part. Preferably, the rotating housing 21 is a rotating body, and the axes of the rotating housing 21 and the main housing 22 coincide.

[0042] Among them, such as Figures 1-4 as well as Figure 8 As shown, the rotating housing 21 includes a distal rotating housing 211 and a proximal rotating housing 212, and the distal rotating housing 211 and the proximal rotating housing 212 are detachably connected. When the distal rotating housing 211 and the proximal rotating housing 212 are connected, the proximal rotating housing 212 is in a locked position (such as Figure 3 The proximal rotating shell 212 moves toward the proximal direction under the action of an external force toward the proximal direction, separates from the distal rotating shell 211 and moves to an unlocked position a distance further back (as shown in FIG. Figure 4As shown, that is, fixed-point unlocking). A cavity is formed in each of the distal rotating shell 211 and the proximal rotating shell 212, and the cavities of the two are connected to form a receiving chamber of the rotating outer shell 21, which is used to accommodate the clamping magazine assembly 1, the locking mechanism (described in detail later) and other conventional components usually provided here in the adapter. In this embodiment, the distal rotating shell 211 and the proximal rotating shell 212 are both formed by splicing and fixing two symmetrical split shells, which facilitates the installation and disassembly between the distal rotating shell 211 and the proximal rotating shell 212. In addition, the distal rotating shell 211 and the proximal rotating shell 212 are also rotating bodies and their axes coincide.

[0043] Furthermore, if Figures 1-4 As shown, the distal end of the proximal rotating shell 212 is connected to the distal rotating shell 211, and the proximal end of the proximal rotating shell 212 is sleeved on the distal outer side of the main shell 22. The connection between the distal rotating shell 211 and the proximal rotating shell 212 is provided with at least one set of mutually matching plug-in parts. Preferably, the connection between the distal rotating shell 211 and the proximal rotating shell 212 is a tooth-shaped plug-in part, that is, the teeth of the distal rotating shell 211 can be inserted into the groove formed by two adjacent teeth of the proximal rotating shell 212, and finally the circumferential fixation of the distal rotating shell 211 and the proximal rotating shell 212 is achieved, so that the two can rotate together when plugged in and can achieve axial separation. Among them, cylindrical teeth or end face teeth can be selected. The setting of the tooth-shaped plug-in part has the effect of automatically aligning the distal rotating shell 211 and the proximal rotating shell 212.

[0044] Furthermore, the outer surfaces of the distal rotating shell 211 and the proximal rotating shell 212 are connected to form a smooth pear-shaped arc, and the outer surface of the proximal rotating shell 212 protrudes relative to the outer surface of the distal rotating shell 211, making it easier for the operator to hold the device. Furthermore, while the outer surfaces of the distal rotating shell 211 and the proximal rotating shell 212 are connected to form a smooth pear-shaped arc, a protruding protrusion can also be provided on the outer surface of the proximal rotating shell 212 to facilitate the operator pulling the proximal rotating shell 212 toward the proximal end.

[0045] like Figure 3 and Figure 6 As shown, the clamping magazine rotating shell 112 is partially connected to the distal rotating shell 211, and the exposed part of the clamping magazine rotating shell 112 serves as a visible shell. The shape of the visible shell of the clamping magazine rotating shell 112 is an arc that conforms to the ergonomic structure, which is convenient for grasping and installing the clamping magazine shell 11. Preferably, the edge of the visible shell of the clamping magazine rotating shell 112 is an arc.

[0046] In this embodiment, the selective circumferential locking of the clamping magazine rotating shell 112 and the distal rotating shell 211 is achieved through the cooperation of the locking structure provided in the clamping magazine assembly 1 and the locking mechanism provided in the rotating shell 21, and the selective locking (including axial locking and circumferential locking) between the clamping magazine fixed shell 111 and the main shell 22 is achieved. Since the clamping magazine fixed shell 111 and the clamping magazine rotating shell 112 are circumferentially rotatable but axially fixed connections, the axial locking between the main shell 22 and the clamping magazine fixed shell 111 also indirectly forms the axial locking of the clamping magazine rotating shell 112 and the main shell 22.

[0047] Of course, the above arrangement is due to the fact that the size of the proximal rotating shell 212 is larger than that of the distal rotating shell 211 for the convenience of gripping, so there is more sufficient space in the proximal rotating shell 212 to set up a mechanism that can achieve axial locking. However, according to the introduction of this embodiment, those skilled in the art can also easily think of transferring the axial locking mechanism to the distal rotating shell 211, and achieving axial locking between the distal rotating shell 211 and the clamping magazine rotating shell 112.

[0048] Specifically, the locking mechanism is linked to the proximal rotating shell 212. When an external force in the proximal direction is applied to the proximal rotating shell 212, the proximal rotating shell 212 moves from the locked position in the proximal direction to the unlocked position and causes the locking mechanism to accumulate force. When the external force in the proximal direction disappears, the accumulated force of the locking mechanism can drive the proximal rotating shell 212 to move distally to the locked position. In the unlocked position, the locking mechanism releases the limit on the path of the clip cartridge assembly 1 of the clip applier in and out of the rotating shell 21, that is, it does not limit the entry and exit of the clip cartridge assembly 1, and the clip cartridge assembly 1 can freely enter and exit the accommodating cavity of the rotating shell 21. In the locked position, the locking mechanism locks the clip cartridge assembly 1 in the accommodating cavity of the rotating shell 21 (not limited to being directly connected to the rotating shell 21), that is, it constitutes a circumferential lock and an axial lock on the clip cartridge assembly 1, and the clip cartridge assembly 1 cannot be plugged in or out. At the same time, the proximal rotating shell 22 is connected to the distal rotating shell 211, and the two can rotate together. Thus, the proximal rotating shell 212 moves proximally under the action of an external force in the proximal direction, prompting the locking mechanism to allow the clip cartridge assembly 1 of the clip applier to be inserted into and removed from the rotating outer shell 21. When the external force in the proximal direction disappears, the locking mechanism prompts the proximal rotating shell 212 to move distally until it connects with the distal rotating shell 211, and the locking mechanism cooperates with the locking structure to lock the clip cartridge assembly 1 in the adapter 2. When the clip cartridge assembly 1 is locked in the adapter 2, the clip cartridge assembly 1 rotates driven by the adapter 2. This can be applicable to embodiments in which the clip cartridge assembly 1 rotates as a whole, or to embodiments in which a portion of the clip cartridge assembly 1 rotates, as in this embodiment, as long as the working task of the clip cartridge assembly 1 can be completed.

[0049] In summary, by linking a portion of the rotating housing 21 (the proximal rotating housing in this embodiment) with the locking mechanism, the portion of the rotating housing 21 is pulled toward the proximal direction to the unlocked position, so that the locking mechanism does not restrict the insertion and removal of the clamping magazine assembly 1. At this time, the clamping magazine assembly 1 is freely plugged and removed. After the clamping magazine assembly 1 is inserted into the adapter 2, the pulling force toward the proximal direction is canceled to lock the clamping magazine assembly 1 and the adapter 2. As a result, the installation and removal (i.e., plugging and unplugging) of the clamping magazine assembly 1 are convenient, which is convenient for the user's operation and improves work efficiency. At the same time, the clamping magazine assembly 1 cannot be pulled out in a non-installation position, which can prevent the clamping magazine assembly 1 from being plugged and removed incorrectly, resulting in adverse consequences, has a fool-proof effect, and improves user safety and reliability.

[0050] In this embodiment, if Figure 3 As shown, the adapter 2 further includes a guide ring 2124, wherein the guide ring 2124 extends from the proximal end of the rotating housing 21 into the accommodating cavity of the rotating housing 21 and is located in the proximal portion of the cavity of the distal rotating housing 211 and the cavity of the proximal rotating housing 212. The guide ring 2124 is located inside the distal end of the main housing 21, and the proximal end of the guide ring 2124 is fixedly connected to the main housing 22. Therefore, since the main housing 22 is fixed during use, the guide ring 2124 is also fixed during use, that is, the rotating housing 22 is rotatable relative to the guide ring 2124. The guide ring 2124 is provided, on the one hand, for locking with the clamping magazine fixed shell 111 when the clamping magazine shell 11 of the clamping magazine assembly 1 is divided into the clamping magazine fixed shell 111 and the clamping magazine rotating shell 112, thereby making the clamping magazine fixed shell 11 indirectly fixedly connected with the main shell 22, thereby ensuring the stability and reliability of the communication transmission between the two; on the other hand, it is for automatically guiding the clamping magazine assembly 1 inserted into the rotating shell 21 during the movement, so that the locking mechanism can be smoothly locked with the locking structure of the clamping magazine assembly 1.

[0051] First, refer to Figure 5 and Figure 9 The locking mechanism includes a first slot 2127 provided at the distal end of the guide ring 2124 and a second slot (refer to the setting of the first slot 2127) provided at the distal end of the distal rotating shell 211. Both slots extend from the distal end toward the proximal end to form a groove shape. The locking structure includes a first connector 1111 provided at the proximal end of the clamping magazine fixed shell 111 and a second connector 1121 provided at the proximal end of the clamping magazine rotating shell 112. When the first connector 1111 is inserted into the first slot 2127, the guide ring 2124 and the clamping magazine fixed shell 111 form a selectable circumferential lock, that is, the two cannot rotate relative to each other; when the second connector 1121 is inserted into the second slot, the distal rotating shell 211 and the clamping magazine rotating shell 112 form a selectable circumferential lock, that is, the two cannot rotate relative to each other.

[0052] In order to facilitate the connection between the first slot 2127 and the first connector 1111, Figure 9 As shown, the guide ring 2124 is provided with a first guiding portion 2128 for automatically guiding the clamping magazine fixed shell 111 during the process of inserting the clamping magazine assembly 1 into the rotating shell 21. Preferably, the clamping magazine fixed shell 111 is automatically guided during the process of rotating and inserting into the rotating shell 21.

[0053] Specifically, the first guide portion 2128 is a first guide groove provided at the distal end of the guide ring 2124. The first guide groove extends circumferentially from a point on the distal end surface of the guide ring 2124 and gradually increases in depth as it extends until it connects to the first slot 2127. Thus, as the cartridge fixing housing 111 is rotated and inserted, the first guide groove guides the first connector 1111 in the cartridge fixing housing 111, which is to be inserted into the first slot 2127, into the first slot 2127. To ensure that the direction of rotation and insertion of the cartridge fixing housing 111 is unrestricted, two first guide grooves are symmetrically provided on either side of the first slot 2127. Both first guide grooves gradually increase in depth toward the first slot 2127 between them.

[0054] When multiple first slots 2127 are set, the multiple first slots 2127 are evenly arranged along the circumference. Correspondingly, multiple first guide portions 2128 are set, and the multiple first guide portions 2128 are arranged along the circumference. A first slot 2127 and two first guide portions 2128 on both sides thereof are a group, and each group is identical and evenly arranged along the circumference. At the same time, other structures of the subsequent locking mechanism are also evenly arranged along the circumference. In this way, blind installation becomes possible, and the installation stroke is saved, making it easy to install. Of course, the number of first slots 2127 can be one or at least two, and preferably two first slots 2127 are set at an angle of 180°.

[0055] Correspondingly, when multiple first slots 2127 are evenly arranged along the circumference, multiple first connectors 1111 are also evenly arranged along the circumference. The first connector 1111 of the magazine stationary housing 111 is a boss disposed on the outer surface of the magazine stationary housing 111. The proximal end of the boss tapers to form a triangle, arc, or trapezoid. This design facilitates smooth and convenient guidance. In this embodiment, the distal and proximal ends of the boss are triangular, with a rectangular center, forming a double-headed arrow shape. Thus, the tapered proximal end of the boss travels along the first guide groove as the magazine assembly 1 rotates until it reaches the first slot 2127 and is inserted into the first slot 2127. Because other structures that provide circumferential locking functions are present between the magazine stationary housing 111 and the guide ring 2124 (discussed in detail below, see locking member 2125, locking slot 1112, auxiliary locking mechanism, and auxiliary locking structure), the size of the first connector 1111 can be smaller.

[0056] Similarly, to facilitate insertion of the second slot and the second connector 1121, the distal rotating housing 211 is provided with a second guide portion (see first guide portion 2127) for automatically guiding the cartridge rotating housing 112 during insertion of the cartridge assembly 1 into the rotating outer housing 21. Preferably, the cartridge rotating housing 112 is automatically guided during insertion into the rotating outer housing 21 while rotating.

[0057] Specifically, the second guide portion is provided at the distal end of the distal rotating shell 211. The second guide portion is a second guide groove. The second guide groove extends circumferentially from a point on the distal end surface of the distal rotating shell 211 and gradually increases in depth as it extends until it connects to the second slot. Thus, as the clamping cartridge assembly 1 is rotated and inserted, the second guide groove guides the second connector 1121 in the clamping cartridge assembly 1, which is to be inserted into the second slot, into the second slot. To ensure that the direction of rotation and insertion of the clamping cartridge rotating shell 112 is not restricted, two second guide grooves are symmetrically provided on either side of the second slot, and the depth of each second guide groove gradually increases toward the second slot between them.

[0058] When multiple second slots are provided, they are evenly spaced along the circumference. Correspondingly, multiple second guides are provided, each arranged circumferentially. A second slot and its two flanking second guides constitute a set, each identical and evenly spaced along the circumference. Simultaneously, the subsequent locking mechanism's other structures and communication components are also evenly spaced along the circumference. This makes blind installation possible, reduces installation effort, and facilitates installation.

[0059] Correspondingly, when multiple second slots are evenly arranged along the circumference, multiple second connectors 1121 are also evenly arranged along the circumference. The second connector 1121 of the clamping magazine rotating housing 112 is a boss provided on the outer surface of the clamping magazine rotating housing 112. The proximal end of the boss tapers to form a triangle, arc, or trapezoid. This design facilitates smooth and convenient guidance. In this embodiment, the proximal end of the boss is triangular, and the remaining portion is rectangular, forming a single arrow shape. In this way, the tapered proximal end of the boss travels along the second guide groove as the clamping magazine assembly 1 rotates until it reaches the second slot and is inserted into the second slot.

[0060] In comparison, the reason why the first connector 1111 forms a double-arrow shape and the second connector 1121 forms a single-arrow shape is that when the clamping magazine assembly 1 is pulled out, the distal side arrow of the first connector 1111 first performs a guiding role, and since the clamping magazine fixed shell and the clamping magazine rotating shell are relatively fixed at this time, the guidance of the first connector 1111 also enables the clamping magazine fixed shell 111 and the clamping magazine rotating shell 112 to be guided when pulled out.

[0061] Since the boss serving as the first connector 1111 and the boss serving as the second connector 1121 are both arranged on the outer surfaces of the corresponding components, the radial dimension of the clamping magazine rotating shell 112 is smaller than the radial dimension of the clamping magazine fixed shell 111, so as to allow the first connector 1111 to pass through the distal section of the rotating shell 21 and be inserted into the guide ring 2124; or the first slot and the second slot are circumferentially aligned, and the first connector 1111 can pass through the second slot and enter the first slot.

[0062] Of course, the present invention is not limited to this. The boss of the first connector 1111 and the boss of the second connector 1121 can also be configured to protrude from the proximal end surfaces of the corresponding components. Regardless of the position of the first connector 1111 and the second connector 1121, the first slot and the second slot can be bottom-grooved or bottom-less. In the former case, the first connector 1111 and the second connector 1121 are in position when they abut against the bottom of the slot; in the latter case, a special locking structure is provided in the adapter.

[0063] In addition, the boss can also be transformed into a plug that is elastically connected to the clamping magazine rotating housing 112 / clamping magazine fixed housing 111, and the deformation direction of the elastic connection is along the axial direction of the clamping magazine rotating housing 112 / clamping magazine fixed housing 111. This can prevent the clamping magazine from rotating too fast and missing the slot.

[0064] Since the clamping magazine rotating shell 112 and the clamping magazine fixed shell 111 are rotatable, it is necessary to hold the clamping magazine fixed shell 111 first to rotate it to find its position, so the axial distance from the first connector 1111 to the second connector 1121 needs to be greater than the axial distance between the first slot 2127 and the second slot.

[0065] Compared to the guide ring 2124 and the cartridge fixed housing 111, which can achieve circumferential locking through other structures, for the distal rotating housing 211 and the cartridge rotating housing 12, which do not have additional circumferential locking components, the second slot and the second connector 1121 are the only means of providing the optional circumferential locking function for the distal rotating housing 211 and the cartridge rotating housing 12. This means that the distal rotating housing 211 and the cartridge rotating housing 112 can be selectively locked together, rotating together and not disengaging. Therefore, it can be clearly seen that the second connector 1121 is larger than the first connector 1111 to achieve a stable circumferential locking function.

[0066] Of course, in other embodiments, a circumferential locking assembly that mainly realizes the circumferential locking effect can be provided between the distal rotating shell 211 and the clamping magazine rotating shell 112, and a circumferential locking assembly that provides an auxiliary circumferential locking effect with an auxiliary second slot and a second connector 1121 can also be provided (for example, a positioning hole can be provided on the inner wall of the distal rotating shell 211, and a spring buckle 1113 and an elastic ring 1114 can be provided in the clamping magazine rotating shell 112 of the clamping magazine assembly 1. For the specific structure, please refer to the similar structure provided between the guide ring and the clamping magazine fixed shell 111 below).

[0067] On the contrary, it can be understood that if the size of the first connector 1111 is large enough and the working conditions permit, the cooperation between the first connector 1111 and the first slot 2127 can replace the locking member 2125 and the locking groove 1112 (described below) and one or two groups of the auxiliary locking mechanism and the auxiliary locking structure to achieve optional locking between the guide ring and the clamping magazine fixing shell 111.

[0068] Specifically, if Figure 3 As shown, the locking mechanism further includes a locking ring 2121, a limiting member 2122, an elastic member 2123 and a locking member 2125. The locking structure further includes a locking groove 1112 provided on the outer surface of the clip fixing housing 111.

[0069] The locking ring 2121 is sleeved on the guide ring 2124 and is adjacent to the proximal rotating housing 212. The movement of the locking ring 2121 and the proximal rotating housing 212 in the distal direction affects each other, but they do not rotate together (when the proximal rotating housing 212 rotates, the locking ring 2121 does not rotate). In this embodiment, the locking ring 2121 is a rotating body formed by a Z-shaped plane rotation, with the upper end of the Z-shaped body adjacent to the proximal rotating housing 212.

[0070] The limiting member 2122 is fixed to the outside of the guide ring 2124. In this embodiment, the limiting member 2122 is an annular limiting ring. An annular limiting groove is provided on the outer peripheral wall of the guide ring 2124. The annular limiting ring is disposed in the annular limiting groove. The two can be fixedly connected or tightly plugged in. The annular limiting ring can provide a stable and reliable blocking force, but the present invention is not limited to this. For example, the limiting member can also include one or more limiting blocks. If there are multiple limiting blocks, the multiple limiting blocks are spaced apart along the circumference of the guide ring. At the same time, an annular limiting groove or one or more independent limiting grooves can be provided on the guide ring to match the limiting blocks one-to-one.

[0071] In this embodiment, the elastic member 2123 is sleeved on the outer side of the guide ring 2124, and the limit member 2122 and the elastic member 2123 together constitute an axial limit for the locking ring 2121. In this embodiment, the elastic member 2123 is sleeved on the proximal side of the outer side of the locking ring. The bend on the outer surface of the Z-shaped locking ring forms a step. The distal end of the elastic member 2123 presses against the step, and the proximal end is connected to the flange formed at the proximal end of the guide ring 2124. Of course, in other embodiments, the elastic member 2123 can also be located at the proximal end of the locking ring, and the distal end of the elastic member 2123 is instead pressed against the proximal end of the locking ring. The elastic member 2123 can be a spring. In this embodiment, when the elastic member 2123 deforms to the maximum deformation, it prevents further movement of the locking ring, and the rotating housing 21 reaches the unlocked position, at which point the locking mechanism is unlocked. Of course, the present invention is not limited to this. Alternatively, the unlocked position can be defined by providing a locking structure within the adapter. For example, the distal end of the fixed main housing of the adapter can form the locking structure, and the rotating housing 21 can be partially sheathed over the main housing. The inner wall of the rotating housing 21 has a protrusion. The rotating housing 21 is pulled proximally until the protrusion abuts the distal end of the main housing. This unlocked position allows for insertion and removal at a fixed point, while preventing insertion and removal at non-fixed points, thus preventing accidental operation.

[0072] A locking member 2125 is provided on the guide ring 2124 and is configured to selectively lock with the locking groove 1112 in the cartridge assembly 1. In this embodiment, multiple locking members 2125 are evenly spaced along a circumference. These locking members 2125 are locking beads. The guide ring 2124 is provided with a mounting hole for accommodating the locking beads. The diameter of the mounting hole on the inner wall of the guide ring 2124 is smaller than the diameter on the outer wall of the guide ring, and the diameter of the locking bead lies between the diameters of the mounting hole at both ends. The locking structure is a locking groove 1112 provided on the cartridge fixed housing 111. The locking structure can include multiple locking grooves 1112 (one locking groove 1112 corresponding to one locking bead or one locking groove 1112 corresponding to multiple locking beads), or an annular groove. An annular groove, by comparison, requires less precision in manufacturing. However, multiple locking grooves 1112 combined with multiple locking beads can provide both circumferential and axial locking functions, while an annular groove only provides axial locking. In this embodiment, multiple locking grooves 1112 are evenly arranged along the circumference of the clip-mount housing 111, and preferably, the multiple locking grooves 1112 correspond one-to-one with the multiple locking beads. When the first connector 1111 and the second connector 1121 are plugged into place, the locking beads correspond to the positions of the locking grooves 1112. Furthermore, because the multiple locking grooves 1112 and the multiple locking members 2125 are evenly arranged, any locking member 2125 can engage with any locking groove 1112. Combined with the previously established plug-in and guide arrangements, blind installation is possible, allowing installation in both forward and reverse directions, saving installation effort and facilitating installation.

[0073] The inner surface of the Z-shaped locking ring is bent into a slope (referred to as "annular slope 21211") that slopes outward in the distal direction. The inner surface of the locking ring 2121 also includes a pressing annular surface 21212 connected to the proximal end of the annular slope 21211. When the locking ring 2121 abuts the stopper 2122, the outer end of the locking bead presses against the pressing annular surface 21212. At this time, if the cartridge assembly 1 is inserted into the rotating housing 22, the locking bead is inserted into the locking groove 1112. When the locking ring 2121 moves toward the proximal end until the locking bead is disengaged from the pressing annular surface 21212, the locking ring 2121 no longer limits the locking bead. If the locking bead is located in the lower half of the adapter 2 at this time, the locking bead moves outward under gravity and disengages from the locking groove 1112. If the locking bead is located in the side or upper half of the adapter 2 at this time, the locking bead remains in the locking groove 1112. When the clip assembly 1 is pulled out, the sidewalls of the locking groove 1112 exert an outward component of force on the locking bead, causing the locking bead to move outward until it disengages from the locking groove 1112. It can be understood that the provision of the annular inclined surface 21211 is to make way for the locking bead to move outward.

[0074] Therefore, in this embodiment, the pressing ring surface 21212 of the unlocked ring 2121 presses the locking bead inward. When the clamping magazine assembly 1 is inserted, the locking bead engages with the locking groove 1112 in the clamping magazine assembly 1. When the clamping magazine assembly 1 is not inserted, the locking bead will not fall out of the mounting hole because the inner end of the mounting hole is small.

[0075] In summary, when the locking ring 2121 abuts against the limiting member 2122, the distal end of the locking ring 2121 abuts against the proximal rotating shell 212 to connect the distal rotating shell 211 and the proximal rotating shell 212, and the locking ring 2121 causes the locking member 2125 to lock (at least axially lock) with the cartridge assembly 1. When the locking ring 2121 moves from the locked position to the unlocked position in the proximal direction along with the proximal rotating shell 212, the elastic member 2123 accumulates force and the locking ring 2121 allows the locking member 2125 to not lock the cartridge assembly 1 (in this embodiment, the locking member 2125 can move outward under the action of an outward external force). When the external force in the proximal direction disappears, the accumulated force of the elastic member 2123 causes the locking ring 2121 to drive the proximal rotating shell 212 to move in the distal direction to the locked position, and the locking ring 2121 causes the locking member 2125 to lock with the cartridge assembly 1. Therefore, when the locking ring 2121 is subjected to an external force in the proximal direction from the proximal rotating shell 212, the locking ring 2121 moves in the proximal direction, causing the locking member 2125 to no longer lock the cartridge assembly 1, and the locking ring 2121 compresses the elastic member 2123. When the external force on the locking ring 2121 disappears, the elastic member 2123 causes the locking ring 2121 to move in the distal direction, and the locking ring 2121 pushes the proximal rotating shell 212 in the distal direction until the locking ring 2121 abuts against the limiting member 2122. At this point, the proximal rotating shell 212 is connected to the distal rotating shell 211, and the locking ring 2121 causes the locking member 2125 to form at least an axial lock with the locking groove 1112 of the cartridge assembly 1.

[0076] The cartridge assembly 1 also includes an auxiliary locking mechanism that cooperates with the auxiliary locking structure on the guide ring 2124 to lock the cartridge fixing housing 111 and the guide ring 2124 when the cartridge assembly 1 is inserted into place. Distal movement of the cartridge assembly 1 due to a distal external force can disengage the auxiliary locking mechanism and the auxiliary locking structure.

[0077] In this embodiment, the auxiliary locking mechanism includes an elastic ring 1114 and a plurality of spring catches 1113 connected to the elastic ring 1114. The elastic ring 1114 is located in a groove on the inner wall of the magazine fixing housing 111. The axis of the elastic ring 1114 coincides with the axis of the magazine fixing housing 111. During use, the elastic ring 1114 will not disengage from the inner wall groove, but will deform within the inner wall groove. The auxiliary locking structure comprises a plurality of positioning holes provided on the inner wall of the guide ring 2124. The plurality of spring catches 1113 pass through the plurality of through holes in the magazine fixing housing 111 and engage with the plurality of positioning holes in a one-to-one correspondence. When the magazine assembly 1 is pulled outward, the outer ends of the spring catches 1113 are subjected to an inward force from the inner walls of the positioning holes on the guide ring 2124. The spring catches 1113 move inward and cause the elastic ring 1114 to deform until the spring catches 1113 disengage from the positioning holes.

[0078] Preferably, multiple snap hooks 1113 are evenly arranged along the circumference of the elastic ring 1114, and multiple positioning holes are evenly arranged along the circumference of the guide ring. In this way, any snap hook can engage with any positioning hole. Combined with the previously arranged plug-in, guide, and locking member 2125, blind installation is possible, and installation can be performed in both forward and reverse directions, saving installation travel and facilitating installation. Of course, the number of snap hooks 1113 can be one, or auxiliary locking can be achieved, or two or more can be provided. The greater the number, the greater the locking strength.

[0079] Thus, the cooperation between the locking mechanism and the locking structure, as well as the cooperation between the auxiliary locking mechanism and the auxiliary locking structure, form a double lock, which makes the connection between the adapter 2 and the clamping magazine assembly 1 more stable and improves the security of the locking. Of course, the structure for implementing double locking in the present invention is not limited to this, and the auxiliary locking structure and the auxiliary locking mechanism may not be provided. Instead, locking members 2125 may be provided in multiple circumferences, wherein multiple locking members 2125 are evenly provided in each circumference, and the locking members 2125 in different circumferences may be staggered with each other. In this case, the locking effect is better, but the staggering must also ensure uniformity so that matching can be achieved during blind installation. Of course, the locking members 2125 in different circumferences may also be arranged in the same manner. By providing locking members 2125 in multiple circumferences, double locking or even more locking positions at different positions along the axial direction is achieved. Wherein, when the locking member is a locking bead, a plurality of annular inclined surfaces are also provided on the inner surface of the locking ring.

[0080] In addition, the locking member 2125 can also be a spring buckle, which is arranged in the installation hole of the guide ring 2124 through a torsion spring; the locking member 2125 can also be an elastic tongue.

[0081] like Figure 6-Figure 7 As shown, in this embodiment, the identification signal generating structure is an identification information storage chip 1116, and the identification information storage chip 1116 stores the specification information of the clamping magazine assembly 1, wherein the specification information includes the information of the clips in the clamping magazine assembly 1. The identification information storage chip 1116 is provided with multiple groups of Pin pins 11161 connected to the identification signal receiver. When any group of Pin pins 11161 is connected to the identification signal receiver, a communication connection can be achieved without connecting the specified Pin pin 11161 to the identification signal receiver, making the communication connection between the clamping magazine assembly 1 and the adapter 2 more convenient and allowing the clamping magazine assembly 1 to be installed in reverse. When the connector is plugged into the slot, there must be a group of Pin pins 11161 connected to the identification signal receiver. As shown Figure 7As shown, in this embodiment, two groups of pins 11161 are provided, each group of pins 11161 including four pins, but each group of pins 11161 including one or more pins is also acceptable. Preferably, the multiple groups of pins 11161 are evenly arranged along the circumference. In this embodiment, the two groups of pins are arranged at an angle of 180°. In this embodiment, the dual pin arrangement, combined with the previously provided plug-in, guide, and locking elements, enables blind installation, allowing installation in both forward and reverse directions, saving installation effort and facilitating installation.

[0082] In general, the locking mechanism and the locking structure, the auxiliary locking mechanism and the locking structure, and the communication device can be accurately matched on the basis of two-way automatic guidance, so that blind installation can be achieved.

[0083] The following describes the steps for installing the clip assembly 1 and the applicator in this embodiment:

[0084] S1. The operator pulls the proximal rotating shell 212 toward the proximal direction to the unlocked position. The proximal rotating shell 212 pushes the locking ring 2121 toward the proximal direction, compressing the elastic member 223. The annular inclined surface 21211 of the locking ring 2121 moves to the outside of the locking bead, so that the locking bead on the guide ring 2124 is in a free state.

[0085] S2. Insert the entire clip assembly 1 into the adapter 2. During the insertion process, when the first connector 1111 presses against the end of the guide ring 2124, the operator will feel that it is in place. The operator rotates the clip assembly fixed housing 111 toward the proximal end, and the first guide groove guides the first connector 1111 into the first slot 2127.

[0086] S3. The operator rotates the clip-in rotatable housing 112 toward the proximal end. The second guide slot guides the second connector 1121 into the second slot. During this process, the clip-in rotatable housing 112 pushes the clip-in fixed housing 111 to continue moving linearly along the first slot 2127 toward the proximal end. The clip-in rotatable housing 112 is then pushed toward the proximal end until one of the first connector 1111 and the second connector is inserted into place. At this point, the locking bead is aligned with the locking slot 1112. The locking bead located on the upper half has fallen into the locking slot 1112 due to gravity, and the spring catch 1113 has been ejected into the positioning hole. The communication connection between the clip-in assembly 1 and the adapter 2 is established.

[0087] S4. The operator releases proximal rotating housing 212. Elastic member 2123 pushes locking ring 2121 distally until it abuts against stop member 2122. The distal movement of locking ring 2121 pushes proximal rotating housing 212 distally, allowing it to plug into distal rotating housing 211. The pressing annular surface 21212 of locking ring 2121 pushes the locking bead into engagement with locking groove 1112. Thus, cartridge assembly 1 and adapter 2 are locked.

[0088] The steps for disassembling the clip assembly 1 and the applicator in this embodiment are described as follows:

[0089] S1. The operator pulls the proximal rotating shell 212 toward the proximal direction to the unlocked position. The proximal rotating shell 212 pushes the locking ring 2121 toward the proximal direction, compressing the elastic member 2123. The annular inclined surface 21211 of the locking ring 2121 moves to the outside of the locking bead, so that the locking bead on the guide ring 2124 is in a free state. The locking bead located in the lower half moves outward due to gravity and disengages from the locking groove 1112.

[0090] S2. The operator pulls the cartridge rotating housing 112 distally, which drives the cartridge fixed housing 111 distally. The outer wall of the cartridge fixed housing 111 pushes the locking bead located in the upper half out of the locking groove 1112. The outer wall of the guide ring 2124 pushes the spring catch 1113 in the distally moving cartridge fixed housing 111 inward, disengaging it from the positioning hole. As the cartridge assembly 1 moves distally, the first connector 1111 and the second connector 1121 disengage from their corresponding slots, and the cartridge assembly 1 is completely separated from the adapter 2.

[0091] When the clip applier is in operation, the clip cartridge fixed housing 111 is secured within the rotating housing 21 of the adapter 2, maintaining relative stillness relative to the main housing 22. The rod 12 of the clip cartridge assembly 1 is partially secured within the accommodating cavity of the clip cartridge housing 11 along its axis, rotating with the clip cartridge rotating housing 112. The clip to be applied is housed within the rod 12. One end, or connecting end, of the clip cartridge assembly 1 is connected to the rod 12. In actual use, the end effector 13 serves as a forceps for applying the clip.

[0092] In this embodiment, by providing a relatively rotating clamping magazine fixed shell 111 and a clamping magazine rotating shell 112, when the clamping magazine assembly 1 is working, the identification signal generating structure in the clamping magazine fixed shell 111 can be stationary relative to the main shell 22 of the adapter 2, thereby ensuring the reliability of signal transmission between the clamping magazine assembly 1 and the adapter 2, and further ensuring the reliability of identification in the adapter 2.

[0093] In addition, the clamping magazine assembly 1 includes a clamping magazine shaft 1115, and a driving shaft 221 capable of driving the clamping magazine shaft 1115 to move is provided in the main shell 22 of the adapter 2. The driving shaft 221 of the main shell 22 is engaged with the clamping magazine shaft 1115 of the clamping magazine assembly 1, further facilitating the insertion and removal of the clamping magazine assembly 1.

[0094] In other embodiments of the present invention, the clamping magazine shell 11 can be an integral part. When the clamping magazine shell 11 is an integral part, the clamping magazine shell 11 is locked with the guide ring 2124 and the guide ring 2124 is rotatably connected to the main shell 22. The above-mentioned first slot 2127 and the first connector 1111 and the corresponding guide part, the second slot and the second connector 1121 and the corresponding guide part can be selected to be retained.

[0095] In other embodiments of the present invention, the rotating housing 21 may not be a split design, but an operating portion (e.g., a pull block) that can move proximally and distally may be provided on the rotating housing 21 to replace the function of the proximal rotating housing 212. In this case, a locking mechanism is provided within the rotating housing 21, and the operating portion moves proximally under the action of an external force in the proximal direction, prompting the locking mechanism to allow the clip cartridge assembly 1 of the clip applier to be inserted into and removed from the rotating housing 21. When the external force in the proximal direction disappears, the locking mechanism prompts the operating portion to move distally to its original position and cooperate with the locking structure on the clip cartridge assembly 1 to lock the clip cartridge assembly 1 in the rotating housing 21. Specifically, when the locking ring 2121 is subjected to an external force in the proximal direction from the operating portion, the locking ring 2121 moves in the proximal direction, causing the locking member 2125 to no longer lock the cartridge assembly, and the locking ring 2121 compresses the elastic member 2123. When the external force on the locking ring 2121 disappears, the elastic member 2123 causes the locking ring 2121 to move in the distal direction, and the locking ring 2121 pushes the operating portion in the distal direction until the locking ring 2121 abuts the limiting member 2122. At this point, the operating portion is in its original position, and the locking ring 2121 causes the locking member 2125 to form an axial lock with the locking structure of the cartridge assembly 1. In this case, if the operating portion is used, the locking ring 2121 can be replaced with a non-annular locking portion.

[0096] In addition, in other embodiments, the limiting member 2122 can be eliminated. When the stored force of the elastic member 2123 is exhausted, the locking ring 2121 just pushes the proximal rotating shell 212 to connect with the distal rotating shell 211 or just pushes the operating part to its original position.

[0097] In summary, the above embodiments take the case where the clamp housing and the adapter housing are divided into two parts that rotate relative to each other as an example, but the present invention can also be applied when the clamp housing and the adapter housing do not need to be divided into two parts that rotate relative to each other. In this case, an operating member that can move far and near is directly set on the adapter housing (it can be a rotatable shell that is part of the adapter housing, or it can be a small operating part). At this time, the operating member moves in the proximal direction under the action of an external force in the proximal direction, prompting the locking mechanism to allow the clamp assembly 1 of the clip applier to be inserted into and pulled out of the adapter housing; when the external force in the proximal direction disappears, the locking mechanism prompts the operating member to move in the distal direction to its original position, and can cooperate with the locking structure on the clamp assembly 1 to lock the clamp assembly 1 in the adapter 2. At this time, all the above-mentioned components and corresponding relationships that are linked to the rotating shell, the proximal rotating shell and the operating part can be transferred to the operating member. A brief description is given below, and for matters not described in detail, please refer to the corresponding parts of the above embodiments.

[0098] Preferably, a guide ring 2124 is disposed within the proximal end of the adapter housing, and a guide portion is provided on one or both of the guide ring 2124 and the adapter housing. The guide portion provides bidirectional automatic guidance for the cartridge assembly 1 during insertion into the adapter housing. The locking mechanism and the locking structure can be compatible with each other based on the bidirectional automatic guidance.

[0099] Preferably, the locking mechanism includes slots disposed at the distal ends of the guide ring 2124 and the adapter housing, configured to connect with connectors on the cartridge assembly 1 to provide circumferential locking. Both the guide ring 2124 and the guide portion of the rotating housing 21 are provided with guide grooves at their distal ends. The guide grooves extend circumferentially from a point on the distal end surface and gradually increase in depth as they extend to the connecting slot.

[0100] Preferably, the locking mechanism further includes a locking ring 2121, a limiting member 2122, an elastic member 2123, and a locking member 2125. The locking ring 2121 is adjacent to the operating member and is slidably mounted on the guide ring 2124. The limiting member 2122 is fixed to the outside of the guide ring 2124. The elastic member 2123 is mounted on the outside of the guide ring 2124 and, together with the limiting member 2122, forms an axial limit for the locking ring 2121.

[0101] The locking member 2125 is provided on the guide ring 2124. When the locking ring 2121 is subjected to an external force in the proximal direction of the operating member, the locking ring 2121 moves in the proximal direction, so that the locking member 2125 is not locked to the clip assembly, and the locking ring 2121 compresses the elastic member 2123.

[0102] When the external force acting on the locking ring 2121 disappears: the elastic member 2123 prompts the locking ring 2121 to move in the distal direction and the locking ring 2121 pushes the operating member to move in the distal direction until the locking ring 2121 abuts against the limit member 2122. At this time, the operating member is in place, and the locking ring 2121 prompts the locking member 2125 to form at least axial locking with the locking groove 1112 of the clamping assembly 1.

[0103] The cartridge assembly 1 includes a cartridge housing 11, with an identification signal generator disposed at the proximal end of the housing 11. A fixed identification signal receiver is disposed within the adapter 2 and is in communication with the identification signal generator. The housing 11 can be selectively locked to the guide ring or adapter housing through the cooperation of a locking mechanism and a locking structure.

[0104] The cartridge assembly also includes an auxiliary locking mechanism that cooperates with an auxiliary locking structure on the guide ring 2124 and / or the adapter housing to lock the cartridge housing 11 with the guide ring 2124 and / or the adapter housing when the cartridge assembly is fully inserted. Distal movement of the cartridge assembly 1 due to a distal external force can disengage the auxiliary locking mechanism and the auxiliary locking structure.

[0105] The auxiliary locking mechanism includes an elastic ring 1114 located in a groove on the inner wall of the cartridge housing 11, and a plurality of snap hooks 1113 connected to the elastic ring 1114. The auxiliary locking structure is a plurality of positioning holes 2126 provided in the guide ring 2124 and / or the inner wall of the adapter housing. The snap hooks 1113 pass through the through holes in the cartridge housing 11 and engage with the positioning holes 2126.

[0106] The locking structure includes a locking groove 1112 provided on the outer surface of the cartridge housing 11, which locks with the locking bead. The locking structure also includes a connector provided on the cartridge housing 11, which inserts into a slot on the guide ring 2124 and / or the adapter housing. The insertion of the connector and the slot also constitutes a circumferential locking of the cartridge housing 11 with the guide ring 2124 and / or the adapter housing.

[0107] Furthermore, the adapter housing and the clip housing in this embodiment are injection-molded plastic parts or metal parts.

[0108] Example 2

[0109] Reference Figure 10This embodiment differs from Embodiment 1 in its auxiliary locking mechanism. Specifically, in this embodiment, the auxiliary locking mechanism includes at least one set of mushroom-shaped buckles 1117 and elastic seats 1118. The clip-holder fixing housing 111 is provided with an inverted trapezoidal groove formed by connecting a wide hole located on the inside and a narrow hole located on the outside. The elastic seat 1118 is fixed in the wide hole. The elastic seat 1118 can be any elastic connector such as a spring or rubber pad. The mushroom-shaped buckle 1117 includes a hemispherical head and a support portion located inside the hemispherical head. The support portion is connected between the hemispherical head and the elastic seat 1118. In the free state, the hemispherical head of the mushroom-shaped buckle 1117 passes through the narrow hole and enters the positioning hole 2126, forming an auxiliary locking mechanism. During the process of removing or inserting the clip-holder assembly, the hemispherical head of the mushroom-shaped buckle 1117 is disengaged from the positioning hole 2126 due to the pressure from the inner wall of the guide ring 2124, compressing the elastic pad 1118.

[0110] Preferably, multiple sets of mushroom-shaped clips 1117 and elastic seats 1118 are provided. Multiple mushroom-shaped clips 1117 are evenly distributed along the circumference of the clip-mount fixing housing 111, and multiple positioning holes are evenly distributed along the circumference of the guide ring. Thus, any mushroom-shaped clip 1117 can engage with any positioning hole. Combined with the arrangement of the plug-in, guide, and locking components described in detail in Example 1, blind installation is possible, allowing installation in both forward and reverse directions, saving installation effort and facilitating installation. It is understood that the number of mushroom-shaped clips 1117 can be one, or auxiliary locking can be achieved, or two or more can be provided. A greater number of mushroom-shaped clips provides greater locking strength.

[0111] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may alter, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An adapter for a clip applier, comprising an adapter housing, characterized in that The adapter housing includes an operating member that can move in a distal direction; The adapter (2) further comprises a locking mechanism, wherein the locking mechanism is arranged in the adapter housing; The operating member moves in the proximal direction under the action of an external force in the proximal direction, so that the locking mechanism allows the clip cartridge assembly (1) of the clip applier to be inserted into and removed from the adapter housing; When the external force in the proximal direction disappears, the locking mechanism causes the operating member to move in the distal direction to its original position, and can cooperate with the locking structure of the clip assembly (1), so that the clip assembly (1) is locked in the adapter (2); The adapter housing comprises a main housing (22) and a rotating housing (21), wherein the rotating housing (21) is rotatably connected to the main housing (22); wherein the rotating housing (21) comprises a detachably connected distal rotating housing (211) and a proximal rotating housing (212); The proximal rotating shell (212) serves as the operating member, and the home position of the proximal rotating shell (212) is the position where the proximal rotating shell (212) is connected to the distal rotating shell (211); or an operating portion capable of moving far and near is provided on the rotating outer shell (21), and the operating portion serves as the operating member; It also includes a guide ring (2124), the guide ring (2124) extending from the proximal end of the rotating housing (21) into the rotating housing (21), and the proximal end of the guide ring (2124) is connected to the main housing (22); the locking mechanism and the locking structure can be matched on the basis of bidirectional automatic guidance; The locking mechanism comprises slots provided at the distal ends of the guide ring (2124) and the rotating housing (21), and is used to connect with the connector on the clamping bin assembly (1) to form circumferential locking; The guide ring (2124) and the guide portion of the rotating housing (21) are both provided with guide grooves at their distal ends, the guide grooves extending circumferentially from a point on the distal end surface and gradually increasing in depth during the extension process until they connect with the slot; The locking mechanism further comprises a locking ring (2121), a limiting member (2122), an elastic member (2123) and a locking member (2125); The locking ring (2121) is adjacent to the proximal rotating shell (212) / the operating part and is slidably mounted on the guide ring (2124); the limiting member (2122) is fixed on the outside of the guide ring (2124); the elastic member (2123) is mounted on the outside of the guide ring (2124) and together with the limiting member (2122) constitutes an axial limit for the locking ring (2121); the locking member (2125) is arranged on the guide ring (2124).

2. The adapter for a clip applier according to claim 1, wherein A guiding portion is provided on the guide ring (2124) and the rotating housing (21), and the guiding portion automatically guides the clamping chamber assembly (1) in both directions during the process of inserting the clamping chamber assembly (1) into the rotating housing (21).

3. The adapter for a clip applier according to claim 2, wherein: When the locking ring (2121) is subjected to an external force in the proximal direction from the proximal rotating shell (212) / the operating portion: The locking ring (2121) moves toward the proximal direction, causing the locking member (2125) to not lock the clip assembly, and the locking ring (2121) compresses the elastic member (2123); When the external force acting on the locking ring (2121) disappears: The elastic member (2123) causes the locking ring (2121) to move in the distal direction and the locking ring (2121) pushes the proximal rotating shell (212) / the operating part to move in the distal direction until the locking ring (2121) abuts against the limiting member (2122). At this time, the proximal rotating shell (212) is connected to the distal rotating shell (211) / the operating part is in the original position, and the locking ring (2121) causes the locking member (2125) to form at least an axial lock with the locking groove of the clamping assembly (1).

4. The adapter for a clip applier according to claim 3, wherein: One locking member (2125) is arranged within a circumference, or at least two locking members (2125) are evenly arranged. An auxiliary locking structure for cooperating with an auxiliary locking mechanism in the clamping magazine assembly (1) is provided on the guide ring (2124), and the auxiliary locking mechanism and the auxiliary locking structure can be matched on the basis of bidirectional automatic guide. or The locking members (2125) are arranged within a plurality of circumferences, wherein one locking member (2125) is arranged within each circumference, or at least two locking members (2125) are evenly arranged; The locking member (2125) is a locking bead, and the guide ring (2124) is provided with a mounting hole for accommodating the locking bead. The diameter of the mounting hole at the inner wall of the guide ring (2124) is smaller than the diameter of the mounting hole at the outer wall of the guide ring (2124). The diameter of the locking bead is located between the diameters at both ends of the mounting hole. The inner surface of the locking ring (2121) includes a pressing ring surface (21212) and an annular inclined surface (21211) connected along the distal direction. The annular inclined surface (21211) is inclined outward in the distal direction. When the locking ring (2121) abuts against the limiting member (2122), the outer end of the locking bead presses against the pressing ring surface (21212). When the locking ring (2121) moves toward the proximal direction until the locking bead is separated from the pressing ring surface (21212), the locking bead moves outward when subjected to an outward external force.

5. A clip applier, comprising a clip cartridge assembly (1), characterized in that: Also includes an adapter (2) according to any one of claims 1 to 4; The clamping chamber assembly (1) is provided with a locking structure; When the operating member moves in the proximal direction under the action of an external force in the proximal direction, the clip assembly (1) can be inserted into and pulled out of the adapter housing; When the external force in the proximal direction disappears, the locking mechanism cooperates with the locking structure to lock the clip assembly (1) in the adapter housing.

6. The clip applier according to claim 5, wherein: The clamping magazine assembly (1) comprises a locking structure and an auxiliary locking mechanism, wherein the locking structure cooperates with the locking mechanism of the adapter (2), and the auxiliary locking mechanism cooperates with the auxiliary locking structure in the adapter (2) to form a double locking; The auxiliary locking mechanism and the auxiliary locking structure lock the clip assembly (1) in the adapter housing when the clip assembly is inserted into place; The process in which the clip assembly (1) moves in the distal direction due to the action of an external force in the distal direction can cause the auxiliary locking mechanism and the auxiliary locking structure to release the engagement.

7. The clip applier according to claim 6, wherein: The clamping magazine assembly (1) includes a clamping magazine housing (11), the clamping magazine housing (11) includes a clamping magazine fixed housing (111) and a clamping magazine rotating housing (112) rotatably connected together, an identification signal generating structure is provided at the proximal end of the clamping magazine fixed housing (111), and a fixed identification signal receiver is provided in the adapter (2), and the identification signal receiver is communicatively connected to the identification signal generating structure; The adapter housing comprises a main housing (22) and a rotating housing (21), wherein the rotating housing (21) is rotatably connected to the main housing (22); Through the cooperation of the locking mechanism and the locking structure, the clamping magazine fixed housing (111) and the guide ring (2124) can be selectively locked, and the clamping magazine rotating housing (112) and the rotating outer shell (21) can be selectively locked; The auxiliary locking mechanism cooperates with the auxiliary locking structure on the guide ring (2124) to lock the clamping magazine fixing housing (111) and the guide ring (2124) when the clamping magazine assembly is inserted into place.

8. A clip applier according to claim 7, characterized in that The auxiliary locking mechanism comprises an elastic ring (1114) located in a groove on the inner wall of the clamping magazine fixing housing (111), and one or at least two spring buckles (1113) connected to the elastic ring (1114); The auxiliary locking structure is one or at least two positioning holes (2126) provided on the inner wall of the guide ring (2124), and the spring buckle (1113) passes through the through hole on the clamping magazine fixing housing (111) and engages with the positioning hole (2126).

9. The clip applier according to claim 7, wherein: The locking structure comprises a locking groove (1112) provided on the outer surface of the clamping magazine fixing housing (111), the locking groove (1112) being locked with the locking bead; The locking structure further comprises a plug-in component provided on the clamping magazine fixed housing (111), the plug-in component being inserted into a slot on the guide ring (2124), and the plug-in component and the slot being connected to each other also constitute circumferential locking of the clamping magazine fixed housing (111) and the guide ring (2124); The locking structure further comprises a plug-in component provided on the clamping magazine rotating shell (112), the plug-in component being inserted into a slot on the rotating outer shell (21), and the plug-in component and the slot also forming a circumferential locking of the clamping magazine rotating shell (112) and the rotating outer shell (21); The axial distance between the connector on the clamping magazine fixed housing (111) and the connector on the clamping magazine rotating housing (112) is greater than the axial distance between the slot on the guide ring (2124) and the slot on the rotating housing (21).

10. The clip applier according to claim 9, wherein: The identification signal generating structure is an identification information storage chip (1116), and the identification information storage chip (1116) is provided with two groups of pins capable of communicating with the identification signal receiver. When the connector is plugged into the slot, the identification signal receiver is connected to one group of the pins. Each group of pins includes one or at least two pins (11161).

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