Medical pipe joint assembly and medical scalpel handle thereof

Abstract

The utility model relates to the technical field of medical instruments, and discloses a medical pipe joint assembly and a medical scalpel handle thereof, the medical pipe joint assembly comprises a handle joint, a tool bit joint, an elastic lock pin and an operating piece, the handle joint is provided with a pipeline socket, a locking groove and an insertion channel, and the handle joint is provided with a clamping port; the clamping opening penetrates through the groove wall of the locking groove and communicates with the locking groove. The tool bit connector is provided with an insertion pipe channel, the insertion pipe channel is communicated with the insertion connection channel, one end of the periphery of the tool bit connector is connected with a clamping and locking block, the clamping and locking block is provided with a clamping and locking through groove, the clamping and locking block is inserted into the locking groove through the pipeline insertion opening and connected with the tool handle connector in a clamped mode, an opening of the clamping and locking through groove faces the clamping opening, and the elastic lock pin extends into the clamping opening and is connected to the clamping and locking through groove in a clamped mode. The operating piece is connected with the elastic lock pin and used for inserting the elastic lock pin into the clamping opening and the clamping through groove or pulling the elastic lock pin out of the clamping opening and the clamping through groove. According to the medical pipe joint assembly and the scalpel handle thereof, the elastic lock pin is easily separated from the clamping groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medical apparatus and instruments, in particular to a medical pipe joint assembly and a medical scalpel handle thereof. BACKGROUND

[0002] At present, instruments in an endoscopic surgery system are operated through the working channel of an endoscope, and tissues are separated during treatment. Due to the limitations of the operation space and position, instruments with different blade heads need to be replaced during the operation. The blade head replacement assembly includes a handle joint and a blade head joint. The handle joint and the blade head joint need to be positioned in the axial and circumferential directions respectively to ensure the accuracy of the blade head operating position. The elastic locking pin on the existing handle joint is elastically inserted into the clamping groove in the blade head joint to achieve circumferential positioning. When the handle joint and the blade head joint need to be disassembled, one hand holds the handle joint, the other hand holds the blade head joint, and the elastic locking pin is disengaged from the clamping groove by rotating the handle joint and the blade head joint in the circumferential direction with force, so that the blade head joint and the handle joint are disassembled. However, during the operation, the impact force of the elastic locking pin and the clamping groove is large, making the operation difficult, which is not conducive to the blade head replacement operation, and the elastic locking pin is easily damaged. SUMMARY

[0003] The utility model provides a kind of medical pipe joint assembly and the medical scalpel handle thereof, make elastic locking pin and clamping groove easily separate, reduce the operation difficulty of the disassembly of blade head joint and handle joint, improve the convenience of blade head replacement operation.

[0004] To achieve the above object, the utility model provides a kind of medical pipe joint assembly, including handle joint, blade head joint, elastic locking pin and operating piece, the handle joint is equipped with pipe insertion port, locking groove and the insertion channel for being connected with water source, the pipe insertion port, the locking groove and the insertion channel are sequentially communicated along the axial direction, the circumferential surface of the handle joint is equipped with clamping interface, the clamping interface penetrates the slot wall of the locking groove and is communicated with the locking groove;

[0005] The blade head joint is equipped with the insertion channel extending along the axial direction, the insertion channel is communicated with the insertion channel, one end of the outer circumference of the blade head joint is connected with the lock block, the lock block is equipped with the clamping through slot with the opening towards the elastic locking pin, the lock block is inserted into the locking groove by the pipe insertion port, and is clamped with the handle joint, the opening of the clamping through slot is towards the clamping interface, at least a part of the elastic locking pin is inserted into the clamping interface and is clamped in the clamping through slot;

[0006] The operating piece is connected with the elastic locking pin, for inserting the elastic locking pin into the clamping interface and the clamping through slot, or ejecting the elastic locking pin from the clamping interface and the clamping through slot.

[0007] As a preferred solution, the operating member comprises an operating rod, an eccentric shaft and a rotating shaft for rotating connection with the shank body, the operating rod is used for exposed operation of the shank body, two ends of the rotating shaft are respectively connected with the operating rod, the eccentric shaft is in the same extension direction with the rotating shaft, the eccentric shaft is eccentrically connected with the rotating shaft, the upper end of the elastic lock pin is provided with a lock handle connecting port, and the eccentric shaft is rotationally connected in the lock handle connecting port.

[0008] As a preferred solution, the tool head connector comprises a connector segment and a locking segment, the insertion channel is sequentially arranged in the locking segment and the connector segment, one end of the connector segment is connected with one end of the locking segment, the connector segment is located in the insertion channel, the connector segment is coaxially arranged with the insertion channel, and the clamping block is connected with the outer peripheral surface of the locking segment.

[0009] As a preferred solution, the tool head connector is connected with a tool head protrusion, the tool head protrusion is arranged in the axial position corresponding to the clamping block, the locking groove is annularly arranged, and when the shank connector is connected with the tool head connector, the tool head protrusion is located in the locking groove and is clamped with the shank connector.

[0010] As a preferred solution, the tool head protrusion and the clamping block are protruded from the peripheral side surface of the tool head connector and are oppositely arranged.

[0011] As a preferred solution, the shank connector comprises a connector body and a head part which are coaxially arranged, one end of the connector body is connected with one end of the head part, the head part is radially protruded from the outer periphery of the connector body, the pipe insertion port and the locking groove are arranged in the head part, the insertion channel is arranged in the connector body and extends to the head part to communicate with the locking groove, at least a part of the locking groove is radially protruded from the peripheral side surface of the connector body, the clamping port is arranged in the outer periphery of the head part and is open to the elastic lock pin, the elastic lock pin is connected with the outer peripheral surface of the connector body and is inserted into the head part, the connector segment is inserted into the connector body, and the locking segment is clamped and matched with the elastic lock pin and the head part.

[0012] As a preferred solution, the elastic lock pin comprises an upper end plate, a connecting rod and a lower end plate, one end of the connecting rod is connected with one end of the upper end plate, one end of the connecting rod is connected with one end of the lower end plate, the upper end plate and the lower end plate are respectively attached to the outer peripheral surface of the connector body, one end of the upper end plate away from the connecting rod is connected with a lock pin, the lock pin is inserted into the clamping port and is clamped in the clamping channel, one end of the lower end plate away from the connecting rod is abutted with the head part, the upper end plate is connected with an operating block extending to the direction of the operating rod, and the lock handle connecting port is arranged in the operating block.

[0013] As a preferred solution, the connecting rod comprises a first connecting rod and a second connecting rod, one end of the first connecting rod and one end of the second connecting rod are connected with the upper end plate respectively, the other end of the first connecting rod and the other end of the second connecting rod are connected with the lower end plate respectively, a joint through hole is arranged between the first connecting rod and the second connecting rod, and the joint body is arranged in the joint through hole.

[0014] The utility model discloses a medical scalpel handle, including handle body and medical pipe joint assembly, the handle body includes hand -held part and knife head, the hand -held part is equipped with operating connection mouth, operating piece rotation is connected in operating connection mouth, and the part of operating piece is rotationally connected to the outside of hand -held part, and the handle joint and the elastic lock pin are connected in the inside of hand -held part, one side of hand -held part towards knife head is equipped with hand -held connection mouth, and the pipeline socket is exposed to the hand -held part through hand -held connection mouth, and one end of knife head joint is connected to one side of knife head towards hand -held part, and the lock block is exposed to one side of knife head towards hand -held part.

[0015] As a preferred solution, the operating piece is connected to the upper part of the hand -held part, and the lower end of the hand -held part is provided with a hand -held body.

[0016] Compared with the prior art, the utility model discloses a medical pipe joint assembly, a medical scalpel handle thereof and the beneficial effect lies in: knife head joint is equipped with the cannula channel for connecting with the jet pipe, after knife head joint inserts the insertion channel, jet pipe is connected with water source, and knife head joint inserts the insertion channel through pipeline socket and locking groove in proper order, and lock block enters locking groove through pipeline socket and rotates in locking groove, makes the joint channel aligns the joint interface, and the elastic lock pin is connected with handle joint to realize fixed. Wherein, at least a part of operating piece is exposed to handle body and is convenient for operation, through operating piece and elastic lock pin connection, then through operating piece control elastic lock pin and joint channel joint, realize handle joint and knife head joint locking, or through operating piece control elastic lock pin and joint channel separation, realize handle joint and knife head joint disassembly separation, then make elastic lock pin and joint groove separate easily, reduce the operation difficulty of knife head joint and handle joint disassembly, improve knife head replacement operation convenience. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model embodiment.

[0018] Figure 2 It is the component split structure schematic diagram of the handle of the utility model embodiment.

[0019] Figure 3 It is the structure schematic diagram of operating piece of the utility model embodiment.

[0020] Figure 4 is the cross section structure schematic diagram of the operation member of the embodiment of the utility model.

[0021] Figure 5 is the assembly structure schematic diagram of the operation member, the elastic lock pin, the shank connector and the tool bit connector of the embodiment of the utility model.

[0022] Figure 6 is the component split structure schematic diagram of the operation member, the elastic lock pin, the shank connector and the tool bit connector of the embodiment of the utility model.

[0023] Figure 7 is the assembly structure cross section view of the operation member, the elastic lock pin, the shank connector and the tool bit connector of the embodiment of the utility model.

[0024] Figure 8 is the cross section structure schematic diagram of the shank connector and the tool bit connector of the embodiment of the utility model.

[0025] Figure 9 is the structure schematic diagram of the shank connector of the embodiment of the utility model.

[0026] Figure 10 is the cross section structure schematic diagram of the shank connector of the embodiment of the utility model.

[0027] Figure 11 is the structure schematic diagram of the tool bit connector of the embodiment of the utility model.

[0028] Figure 12 is the cross section structure schematic diagram of the tool bit connector of the embodiment of the utility model.

[0029] Figure 13 is the structure schematic diagram of the elastic lock pin of the embodiment of the utility model.

[0030] In the drawing:

[0031] 10, shank connector, 11, pipeline socket, 12, locking groove, 13, plug-in channel, 14, clamping interface, 15, connector body, 16, end head part,

[0032] 20, tool bit connector, 21, pipe insertion channel, 22, clamping block, 23, clamping through slot, 24, connector section, 25, locking section, 26, tool bit protruding block,

[0033] 30, elastic lock pin, 31, lock handle connecting port, 32, upper end plate, 33, bolt, 34, connecting rod, 35, first connecting rod, 36, second connecting rod, 37, lower end plate, 38, operation block, 39, connector through hole,

[0034] 40, operation member, 41, operation rod, 42, eccentric shaft, 43, rotating shaft,

[0035] 50. Handle body; 51. Hand grip; 52. Operating connection port; 53. Hand grip connection port; 54. Blade head. Detailed Implementation

[0036] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0037] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" used to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] In the description of this utility model, it should be understood that the terms "connected," "linked," and "fixed," etc., used in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or a welded connection; 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, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] like Figures 1 to 3 As shown, a preferred embodiment of the present invention provides a medical tube connector assembly, including a handle connector 10, a blade connector 20, an elastic locking pin 30, and an operating component 40. The handle connector 10 is provided with a tube insertion port 11, a locking groove 12, and a connection channel 13 for connecting to a water source. The tube insertion port 11, the locking groove 12, and the connection channel 13 are connected sequentially along the axial direction. The peripheral side of the handle connector 10 is provided with a snap-fit ​​interface 14, which penetrates the groove wall of the locking groove 12 and communicates with the locking groove 12.

[0040] The cutter head connector 20 is provided with an axially extending insertion channel 21, which is connected to the insertion channel 13. One end of the outer periphery of the cutter head connector 20 is connected to a locking block 22. The locking block 22 is provided with a locking groove 23 with an opening facing the elastic locking pin 30. The locking block 22 is inserted into the locking groove 12 through the pipe insertion port 11 and is locked with the cutter head connector 10. The opening of the locking groove 23 faces the locking interface 14. At least a part of the elastic locking pin 30 extends into the locking interface 14 and is locked with the locking groove 23.

[0041] The operating member 40 is connected with the elastic lock pin 30, and is used for inserting or pulling out the elastic lock pin 30 from the clamping interface 14 and the clamping through groove 23.

[0042] The utility model discloses a medical pipe joint assembly and its medical scalpel handle, and the handle joint 20 is equipped with the pipe channel 21 for connecting with the jet pipe, and after the handle joint 20 is inserted into the insertion channel 13, the jet pipe is communicated with the water source, and the handle joint 20 is inserted into the insertion channel 13 through the pipe socket 11 and the locking groove 12 in turn, the clamping block 22 enters the locking groove 12 through the pipe socket 11 and rotates in the locking groove 12, so that the clamping through groove 23 is aligned with the clamping interface 14, and the elastic lock pin 30 is connected to the handle joint 10 to realize fixation. Wherein, at least a part of the operating member 40 is exposed to the handle body 50 for easy operation, and the elastic lock pin 30 is connected with the operating member 40, and then the elastic lock pin 30 is controlled with the clamping through groove 23 through the operating member 40 to realize the locking of the handle joint 10 and the handle joint 20, or the elastic lock pin 30 is separated from the clamping through groove 23 through the operating member 40 to realize the disassembly of the handle joint 10 and the handle joint 20, and then the elastic lock pin 30 is separated from the clamping groove, the operation difficulty of the handle joint 20 and the handle joint 10 is reduced, and the operation convenience of the handle replacement is improved.

[0043] Further, as shown in Figures 1 to 7 The operating member 40 includes an operating rod 41, an eccentric shaft 42 and a rotating shaft 43 for rotating connection to the handle body 50, the operating rod 41 is used for being exposed to the handle body 50 for operation, the two ends of the rotating shaft 43 are connected with the operating rod 41 respectively, the eccentric shaft 42 has the same extension direction as the rotating shaft 43, the eccentric shaft 42 is eccentrically connected to the rotating shaft 43, the upper end of the elastic lock pin 30 is provided with a lock handle connecting port 31, and the eccentric shaft 42 is rotatingly connected in the lock handle connecting port 31.

[0044] The operating rod 41 is exposed to the handle body 50 for easy operation. The operating rod 41 is rotatingly connected to the handle body through the rotating shaft 43 to realize the support of the operating member 40, and the upper end of the elastic lock pin 30 is provided with the lock handle connecting port 31. The eccentric shaft 42 is eccentrically connected to the rotating shaft 43, and the eccentric shaft 42 is rotatingly connected in the lock handle connecting port 31, so that the elastic lock pin 30 can be driven to move up and down when the eccentric shaft 42 rotates, to realize the clamping locking or separation of the elastic lock pin 30 and the clamping through groove 23. Specifically, the circumferential side surface of the eccentric shaft 42 away from the elastic lock pin 30 has an eccentric distance H with the radial direction of the circumferential side surface of the rotating shaft 43. When the eccentric distance H is the minimum value, the elastic lock pin 30 is not lifted by the eccentric shaft 42, and the elastic lock pin 30 is clamped with the clamping through groove 23. When the eccentric distance H is the maximum value, the elastic lock pin 30 is lifted by the eccentric shaft 42, and the elastic lock pin 30 is separated from the clamping through groove 23.

[0045] Further, as shown in Figures 7 to 8 and Figures 11 to 12 , the tool head joint 20 comprises a joint segment 24 and a locking segment 25, the insertion channel 21 is sequentially arranged in the locking segment 25 and the joint segment 24, one end of the joint segment 24 is connected with one end of the locking segment 25, the joint segment 24 is arranged in the insertion channel 13 coaxially with the insertion channel 13, facilitating the insertion assembly of the tool head joint 20 and the tool handle joint 10, the locking block 22 is connected with the outer circumferential surface of the locking segment 25, the locking segment 25 is arranged coaxially with the joint segment 24, the locking block 22 is rotated in the locking slot 12 through the locking segment 25, and the clamping slot 23 of the locking block 22 is rotated to be clamped with the elastic locking pin 30.

[0046] Further, as shown in Figures 7 to 8 and Figures 11 to 12 , the tool head joint 20 is connected with the tool head protrusion 26, the tool head protrusion 26 is arranged in the axial position corresponding to the locking block 22, the locking slot 12 is arranged in a ring shape, and when the tool handle joint 10 is connected with the tool head joint 20, the tool head protrusion 26 is located in the locking slot 12 and clamped with the tool handle joint 10. The tool head protrusion 26 and the locking block 22 are in the same axial position of the tool head joint 20 and are clamped with the tool handle joint 10 in the locking slot 12 respectively, so as to improve the clamping structural strength of the tool head joint 20 and the tool handle joint 10.

[0047] Further, as shown in Figures 7 to 8 and Figures 11 to 12 , the tool head protrusion 26 and the locking block 22 protrude from the circumferential surface of the tool head joint 20 and are arranged oppositely. The tool head protrusion 26 and the locking block 22 are uniformly distributed in the axial direction of the tool head joint 20, so as to improve the reliability and stability of the clamping structure of the tool head joint 20 and the tool handle joint 10.

[0048] Further, as shown in Figures 5 to 10As shown, the shank joint 10 comprises a coaxially arranged joint body 15 and an end head 16, one end of the joint body 15 is connected with one end of the end head 16, the end head 16 protrudes radially from the outer periphery of the joint body 15, the pipeline socket 11 and the locking groove 12 are arranged on the end head 16, the insertion channel 13 is arranged on the joint body 15 and extends to the end head 16 and the locking groove 12 in communication, at least a part of the locking groove 12 protrudes radially from the lateral surface of the joint body 15, the clamping port 14 is arranged on the outer periphery of the end head 16 and opens towards the elastic lock pin 30, the elastic lock pin 30 is connected to the outer peripheral surface of the joint body 15 and inserted into the end head 16, the joint segment 24 is inserted into the joint body 15, and the locking segment 25 is clamped and matched with the elastic lock pin 30 and the end head 16 respectively. The elastic lock pin 30 is connected to the joint body 15 to realize fixation, the end head 16 protrudes radially from the joint body 15, the elastic lock pin 30 extends along the outer peripheral surface of the joint body 15, one end of the elastic lock pin 30 abuts against the end head 16, the end head 16 limits the elastic lock pin 30 in the axial direction, and at least a part of the locking groove 12 protrudes radially from the lateral surface of the joint body 15, so that the elastic lock pin 30 is inserted into the locking groove 12 from the clamping port 14 and clamped with the clamping channel 23.

[0049] Further, as shown in Figures 5 to 7 and Figure 13 The elastic lock pin 30 comprises an upper end plate 32, a connecting rod 34 and a lower end plate 37, one end of the connecting rod 34 is connected with one end of the upper end plate 32, the lower end of the connecting rod 34 is connected with one end of the lower end plate 37, the upper end plate 32 and the lower end plate 37 are respectively attached to the outer peripheral surface of the joint body 15, the one end of the upper end plate 32 away from the connecting rod 34 is connected with the bolt 33, the bolt 33 extends into the clamping port 14 and is clamped in the clamping channel 23, the one end of the lower end plate 37 away from the connecting rod 34 abuts against the end head 16, the upper end plate 32 is connected with the operation block 38 extending towards the operation lever 41, and the lock handle connection port 31 is arranged on the operation block 38. The upper end plate 32, the connecting rod 34 and the lower end plate 37 are connected in a C-shaped structure, the shank joint 10 is inserted into the C-shaped structure to realize the connection between the elastic lock pin 30 and the shank joint 10, the one end of the lower end plate 37 away from the connecting rod 34 abuts against the end head 16 to realize the axial limitation of the elastic lock pin 30, and the operation block 38 is connected to the upper end plate 32. Since the upper end plate 32 is connected with the lower end plate 37 through the connecting rod 34, and the lower end plate 37 and / or the shank joint 10 is fixed on the shank body 50, the operation member 40 can lift the bolt 33 through the operation block 38.

[0050] Further, as shown in Figures 5 to 7 and Figure 13As shown, the connecting rod 34 includes a first connecting rod 35 and a second connecting rod 36, one end of the first connecting rod 35 and one end of the second connecting rod 36 are connected with the upper end plate 32 respectively, the other end of the first connecting rod 35 and the other end of the second connecting rod 36 are connected with the lower end plate 37 respectively, the first connecting rod 35 and the second connecting rod 36 have a joint through hole 39, the joint body 15 is arranged in the joint through hole 39. The joint body 15 is communicated with the water source pipeline through the joint through hole 39, the joint through hole 39 is arranged between the first connecting rod 35 and the second connecting rod 36, which improves the stability of the overall structure of the elastic lock pin 30.

[0051] As one of the embodiments, a sealing groove is arranged around the outer periphery of the tool head joint 20, and a sealing ring is connected to the sealing groove. The outer periphery of the sealing ring is sealingly connected to the insertion channel 13. Through the arrangement of the sealing ring, the connection tightness of the tool head joint 20 and the handle joint is improved.

[0052] A medical scalpel handle, such as Figure 1 to the drawings Figure 13 As shown, the handle body 50 includes a hand holding part 51 and a tool head part 54. The hand holding part 51 is provided with an operation connecting port 52, and the operation member 40 is rotatably connected to the operation connecting port 52. A part of the operation member 40 is rotatably connected to the outside of the hand holding part 51, and the handle joint 10 and the elastic lock pin 30 are connected to the inside of the hand holding part 51. The hand holding part 51 is provided with a hand holding connecting port 53 on the side facing the tool head part 54, and the pipeline insertion port 11 is exposed to the hand holding part 51 through the hand holding connecting port 53. One end of the tool head joint 20 is connected to the side of the tool head part 54 facing the hand holding part 51, and the locking block 22 is exposed to the side of the tool head part 54 facing the hand holding part 51. The hand holding part 51 is used for hand holding during operation, which improves the operation comfort. The tool head part 54 is used for connecting and fixing the tool head joint 20. Specifically, the upper end of the hand holding part 51 is connected with the operation connecting port 52, and the rotating shaft 43 is rotatably connected to the operation connecting port 52 to support the operation member 40. At least a part of the operation member 40 is exposed to the hand holding part 51 to facilitate the operation of the elastic lock pin 30. The handle joint 10 is fixed in the hand holding part 51, and the pipeline insertion port 11 is exposed to the hand holding part 51 to facilitate the insertion with the tool head joint 20. The tool head part 54 is used for fixing the tool head joint 20. The handle joint 10 is fixed in the hand holding part 51, and the tool head joint 20 is fixed in the tool head part 54, which facilitates the assembly operation of the tool head joint 20 and the tool head joint 20 and improves the operation efficiency.

[0053] As one of the embodiments, as shown in the drawings, Figures 1 to 2 The operation rod 41 is exposed to the hand holding part 51, the rotating shaft 43 is rotatably connected to the operation connecting port 52, and the eccentric shaft 42 is located in the cavity of the hand holding part 51.

[0054] Further, as shown in the drawings, Figures 1 to 2As shown, the operating member 40 is connected to the upper part of the hand-held part 51, and the lower end of the hand-held part 51 is provided with a hand-held body. The hand-held body is used for hand holding during operation, and the operating member 40 is connected to the upper part to avoid interference with the operating member 40 during holding, even mis-rotation of the operating member 40 to cause the knife head joint 20 to be separated from the handle joint, thereby improving the operation safety.

[0055] In summary, the medical pipe joint assembly and the medical scalpel handle provided by the embodiments of the present application have the following advantages. The knife head joint 20 is provided with a cannula channel 21 for connecting with a jet pipe, after the knife head joint 20 is inserted into the insertion channel 13, the jet pipe is communicated with a water source, the knife head joint 20 is sequentially inserted into the insertion channel 13 through the pipe insertion opening 11 and the locking groove 12, the clamping block 22 enters the locking groove 12 through the pipe insertion opening 11 and rotates in the locking groove 12, so that the clamping through groove 23 is aligned with the clamping port 14, and the elastic lock pin 30 is connected to the handle joint 10 to realize fixation. At least a part of the operating member 40 is exposed to the handle body 50 to facilitate operation, the operating member 40 is connected with the elastic lock pin 30, and then the elastic lock pin 30 is controlled by the operating member 40 to be clamped with the clamping through groove 23, so as to realize the locking of the handle joint 10 and the knife head joint 20, or the elastic lock pin 30 is controlled by the operating member 40 to be separated from the clamping through groove 23, so as to realize the disassembly and separation of the handle joint 10 and the knife head joint 20, and then the elastic lock pin 30 is easily separated from the clamping groove, the operation difficulty of the disassembly of the knife head joint 20 and the handle joint 10 is reduced, and the operation convenience of the knife head replacement is improved.

[0056] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and replacements can be made, and these improvements and replacements should be regarded as the protection scope of the present application.

Claims

1. A medical tubing connector assembly, characterized in that: The tool includes a handle connector, a tool head connector, a resilient locking pin, and an operating component. The handle connector has a pipe inlet, a locking groove, and a connection channel for connecting to a water source. The pipe inlet, the locking groove, and the connection channel are connected sequentially along the axial direction. The peripheral side of the handle connector has a snap-fit ​​interface, which penetrates the groove wall of the locking groove and communicates with the locking groove. The cutter head connector is provided with an axially extending insertion channel, which communicates with the insertion channel. One end of the outer periphery of the cutter head connector is connected to a locking block. The locking block is provided with a locking groove with an opening facing the elastic locking pin. The locking block is inserted into the locking groove through the pipe inlet and engages with the cutter handle connector. The opening of the locking groove faces the locking interface. At least a portion of the elastic locking pin extends into the locking interface and engages with the locking groove. The operating component is connected to the elastic locking pin and is used to insert the elastic locking pin into the card interface and the card access slot, or to pull the elastic locking pin out from the card interface and the card access slot.

2. The medical tubing connector assembly according to claim 1, characterized in that: The operating components include an operating lever, an eccentric shaft, and a rotating shaft rotatably connected to the tool holder body. The operating lever is exposed outside the tool holder body for operation. Both ends of the rotating shaft are connected to the operating lever. The eccentric shaft extends in the same direction as the rotating shaft and is eccentrically connected to the rotating shaft. The upper end of the elastic locking pin is provided with a locking handle connection port, and the eccentric shaft is rotatably connected to the locking handle connection port.

3. The medical tubing connector assembly according to claim 2, characterized in that: The blade connector includes a connector section and a locking section. The insertion channel passes through the locking section and the connector section in sequence. One end of the connector section is connected to one end of the locking section. The connector section is located inside the insertion channel and is coaxially arranged with the insertion channel. The locking block is connected to the outer peripheral surface of the locking section.

4. The medical tubing connector assembly according to claim 1, characterized in that: The outer periphery of the cutter head connector is connected to a cutter head protrusion, which is axially positioned corresponding to the locking block. The locking groove is annular. When the handle connector is connected to the cutter head connector, the cutter head protrusion is located in the locking groove and engages with the handle connector.

5. The medical tubing connector assembly according to claim 4, characterized in that: The blade protrusion and the locking block protrude from the peripheral side of the blade connector and are arranged opposite each other.

6. The medical tubing connector assembly according to claim 3, characterized in that: The tool holder connector includes a connector body and an end head arranged coaxially. One end of the connector body is connected to one end of the end head. The end head protrudes radially from the outer periphery of the connector body. The pipe inlet and the locking groove are disposed on the end head. The insertion channel is opened in the connector body and extends to the end head to communicate with the locking groove. At least a portion of the locking groove protrudes radially from the peripheral side of the connector body. The snap-fit ​​interface is opened on the outer periphery of the end head and faces the elastic locking pin. The elastic locking pin is connected to the outer peripheral surface of the connector body and inserted into the end head. The connector segment is inserted into the connector body. The locking segment engages with the elastic locking pin and the end head respectively.

7. The medical tubing connector assembly according to claim 6, characterized in that: The elastic locking pin includes an upper end plate, a connecting rod, and a lower end plate. The upper end of the connecting rod is connected to one end of the upper end plate, and the lower end of the connecting rod is connected to one end of the lower end plate. The upper end plate and the lower end plate are respectively in contact with the outer peripheral surface of the connector body. A pin is connected to the end of the upper end plate away from the connecting rod. The pin extends into the locking interface and engages with the locking slot. The end of the lower end plate away from the connecting rod abuts against the end head. An operating block extending towards the operating rod is connected to the upper end plate, and the lock handle connection port is opened in the operating block.

8. The medical tubing connector assembly according to claim 7, characterized in that: The connecting rod includes a first connecting rod and a second connecting rod. One end of the first connecting rod and one end of the second connecting rod are respectively connected to the upper end plate. The other end of the first connecting rod and one end of the second connecting rod are respectively connected to the lower end plate. A joint through hole is provided between the first connecting rod and the second connecting rod, and the joint body passes through the joint through hole.

9. A surgical scalpel handle, characterized in that: The invention includes a handle body and a medical tubing connector assembly as described in any one of claims 1-8. The handle body includes a handheld portion and a blade head. The handheld portion has an operating connection port. An operating element is rotatably connected to the operating connection port. A portion of the operating element is rotatably connected to the outside of the handheld portion. The handle connector and the resilient locking pin are connected inside the handheld portion. The handheld portion has a handheld connection port on the side facing the blade head. The tubing inlet is exposed on the handheld portion through the handheld connection port. One end of the blade head connector is connected to the side of the blade head facing the handheld portion. The locking block is exposed on the side of the blade head facing the handheld portion.

10. The surgical scalpel handle according to claim 9, characterized in that: The operating component is connected to the upper part of the handheld part, and the lower end of the handheld part is provided with a handheld body.

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