Suture remover

Abstract

This application discloses a suture assembly / disassembly device, belonging to the field of suture technology. The suture assembly / disassembly device includes a base and a cover plate, with the cover plate detachably fitted onto the base. The base is provided with an assembly structure and a first disassembly structure, which are respectively located at different positions along the circumference of the base. The cover plate is provided with a second disassembly structure that cooperates with the first disassembly structure. On the one hand, by integrating the assembly structure and the cooperating first and second disassembly structures, the installation and disassembly of the suture actuator can be realized, improving the convenience of assembly and disassembly. On the other hand, the assembly structure and the first disassembly structure are staggered along the circumference of the base, reducing mutual interference between assembly or disassembly operations and making the overall operation process smoother.

Description

Technical Field

[0001] This application relates to the field of suture technology, and more particularly to a suture assembly / disassembly device. Background Technology

[0002] In endoscopic minimally invasive surgery, suture devices are commonly used to suture internal tissues. To adapt to the needs of different surgical scenarios, some suture devices feature a detachable needle holder design, allowing multiple components to be assembled or disassembled for easy replacement, maintenance, or use with different functional components.

[0003] However, existing stitchers have operational inconveniences during assembly and disassembly. For example, the assembly and disassembly operations are prone to interference with each other, affecting the smoothness and efficiency of the overall operation. Summary of the Invention

[0004] This application provides a suture assembly / disassembly device to at least partially solve the technical problem of inconvenient operation during the assembly / disassembly of existing sutures.

[0005] To achieve the above objectives, this application provides a suture removal and installation device, comprising: Base; A cover plate that can be detachably fitted onto the base; The base is provided with an assembly structure and a first disassembly structure, which are respectively located at different positions along the circumference of the base; the cover plate is provided with a second disassembly structure that cooperates with the first disassembly structure.

[0006] In some embodiments, the first disassembly structure includes a plurality of first snap-fit ​​portions, which are spaced apart circumferentially along the base, and a first deformation space is formed between two adjacent first snap-fit ​​portions.

[0007] In some embodiments, the first snap-fit ​​portion includes a first body portion and a first protrusion portion. The first body portion is disposed between the base and the first protrusion portion and is connected to the base and the first protrusion portion respectively. The first protrusion portion protrudes from the first body portion toward the side opposite to the first deformation space.

[0008] In some embodiments, the first protrusion has a first guide surface, the side of the first guide surface near the base being inclined toward a direction away from the first deformation space.

[0009] In some embodiments, the second disassembly structure corresponds to the position of the first disassembly structure in the first direction.

[0010] In some embodiments, the assembly structure includes a mounting portion having a first receiving cavity, and the mounting portion is connected to the base.

[0011] In some embodiments, the mounting portion has a first opening, which communicates with a first receiving cavity; The assembly structure includes multiple second snap-fit ​​parts, which are spaced apart. The second snap-fit ​​parts are located in the first receiving cavity and connected to the mounting part. The second snap-fit ​​parts extend from the mounting part toward the first opening, and a second deformation space is formed between two adjacent second snap-fit ​​parts.

[0012] In some embodiments, the second snap-fit ​​portion includes a second body portion and a second protrusion portion. The second body portion is disposed between the mounting portion and the second protrusion portion and is connected to the mounting portion and the second protrusion portion respectively. The second protrusion portion protrudes from the mounting portion toward the side opposite to the second deformation space.

[0013] In some embodiments, the second protrusion has a second guide surface, and the side of the second guide surface near the mounting portion is inclined toward the direction away from the second deformation space.

[0014] In some embodiments, the mounting portion includes a side wall and a bottom wall connected together, and the second snap-fit ​​portion is connected to the bottom wall; The assembly structure includes a third snap-fit ​​part, which is connected to the side wall and extends from the side wall toward the first receiving cavity.

[0015] In some embodiments, the cover plate is further provided with a weak structure and a shielding structure, the shielding structure and the cover plate are connected by the weak structure, and the shielding structure covers the first opening.

[0016] In some embodiments, the base has a second receiving cavity that communicates with the first receiving cavity; The suture assembly / disassembly device includes a receiving section located within a second receiving cavity and movably connected to a base.

[0017] In some embodiments, the receiving portion includes a winding portion and a supporting portion, the winding portion surrounding the circumference of the supporting portion, and the winding portion having a groove in its circumference.

[0018] In some embodiments, the receiving portion has at least one through hole, which is disposed in the winding portion.

[0019] In some embodiments, one of the cover plate and the base is provided with a groove, and the other is provided with a limiting part, which is embedded in the groove to achieve a detachable connection between the cover plate and the base.

[0020] The suture assembly / disassembly device of this application includes a base and a cover plate, with the cover plate detachably fitting onto the base. The base has an assembly structure and a first disassembly structure, which are respectively located at different positions along the circumference of the base. The cover plate has a second disassembly structure that cooperates with the first disassembly structure. The suture includes a drive device and an actuation device. The assembly structure accommodates the actuation device and connects it to the drive device, thereby assembling the suture. The first and second disassembly structures cooperate with each other to connect to the actuation device and separate the actuation device from the drive device, thereby disassembling the suture. This arrangement, on the one hand, integrates the assembly structure and the cooperating first and second disassembly structures, enabling the installation and disassembly of the suture actuation device, improving the convenience of assembly and disassembly; on the other hand, the assembly structure and the first disassembly structure are staggered along the circumference of the base, reducing mutual interference between assembly and disassembly operations and making the overall operation process smoother.

[0021] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0024] Figure 1 This is a partial structural schematic diagram of the suture provided in an exemplary embodiment of this application; Figure 2 This is an exploded view of the suture provided in an exemplary embodiment of this application; Figure 3 This is a schematic diagram of the structure of the execution device provided in an exemplary embodiment of this application; Figure 4 This is a schematic diagram of the structure of the suture assembly / disassembly device provided in an exemplary embodiment of this application; Figure 5 This is an exploded view of the suture removal and assembly device provided in an exemplary embodiment of this application; Figure 6 This is a partial structural schematic diagram of the suture removal and assembly device provided in an exemplary embodiment of this application; Figure 7This is a partial structural schematic diagram from another perspective of the suture removal and assembly device provided in an exemplary embodiment of this application; Figure 8 This is another partial structural schematic diagram of the suture removal and assembly device provided in an exemplary embodiment of this application; Figure 9 yes Figure 8 Enlarged view of part A; Figure 10 yes Figure 8 Enlarged view of part B; Figure 11 This is a schematic diagram of the cover plate provided in an exemplary embodiment of this application.

[0025] Explanation of reference numerals in the attached figures: 1. Base; 2. Cover plate; 3. Assembly structure; 4. First disassembly structure; 5. Second disassembly structure; 6. Receiving part; 7. Groove; 8. Limiting part; 9. Sewing device; 10. Second receiving cavity; 11. Shielding structure; 12. Weak structure; 30. Mounting part; 31. Second snap-fit ​​part; 32. Second deformation space; 33. Third snap-fit ​​part; 34. Second opening; 40. First snap-fit ​​part; 41. First deformation space; 60. Winding part; 61. Support part; 62. Groove; 63. Through hole; 90. 91. Drive device; 92. Actuator; 93. Bracket; 94. Transmission assembly; 300. First receiving cavity; 301. First opening; 302. Side wall; 303. Bottom wall; 310. Second body part; 311. Second protrusion; 312. Second guide surface; 313. Clearance groove; 400. First body part; 401. First protrusion; 402. First guide surface; 910. Needle holder; 911. Suture needle; 912. Suture thread; 913. Notch structure; X, First direction; Y, Second direction. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0027] This application provides a suture assembly / disassembly device for assembling and disassembling a suture 9. Please refer to... Figure 1 , Figure 2 and Figure 3The suture device 9 is a medical device used for suturing tissue during endoscopic surgery. It typically includes a drive unit 90 and an actuator 91. The drive unit 90 includes components such as a handle, a transmission assembly 93, and a support 92. The actuator 91 includes a needle holder 910 and a suture needle 911. The suture needle 911 is mounted on the needle holder 910, which is detachably mounted on the distal end of the support 92 of the drive unit 90. The transmission assembly 93 can move the suture needle 911 to feed, completing the suturing action. Figure 1 This diagram illustrates the assembled structure of the drive unit 90 bracket 92 and the actuator 91. Figure 2 This diagram illustrates the structure of the drive unit 90 after disassembly, showing the bracket 92 and the actuator 91. Figure 3 This diagram illustrates the structure of the actuator 91. The suture needle 911 is mounted on the needle holder 910 via a movable connection structure, allowing it to move relative to the needle holder 910 under driving action to complete puncture and suturing actions. The needle holder 910, as the main supporting structure of the actuator 91, serves two purposes: firstly, to fix and guide the movement trajectory of the suture needle 911; and secondly, to achieve a detachable connection with the drive device 90. The operator drives the suture needle 911 through a handle to complete actions such as puncture, threading, and retrieval.

[0028] In some embodiments, the support 92 of the drive device 90 and the needle holder 910 are detachably connected via a threaded or snap-fit ​​engagement. Specifically, the actuator 91 is axially mated with the support 92 of the drive device 90, and locking or unlocking is achieved through relative rotation of the snap-fit ​​or threaded engagement. When the needle holder 910 is connected to the support 92 of the drive device 90, the suture needle 911 is subsequently connected to the transmission assembly 93 of the drive device 90.

[0029] Please see Figure 4 and Figure 5 , Figure 4 This is a schematic diagram of the structure of the suture assembly / disassembly device provided in an exemplary embodiment of this application. Figure 5 This is an exploded view of the suture removal and assembly device provided in an exemplary embodiment of this application.

[0030] The suture assembly / disassembly device of this application embodiment includes a base 1 and a cover plate 2, the cover plate 2 being detachably fitted onto the base 1. The base 1 is the main load-bearing body, which can be a plate-like structure or a shell structure, used to support various functional structures. The cover plate 2 is disposed above the base 1 and is detachably connected by means of snap-fit, embedding, etc.

[0031] The base 1 is provided with an assembly structure 3 and a first disassembly structure 4, which are respectively disposed at different positions along the circumference of the base 1. For example, in... Figure 4In the illustrated embodiment, the assembly structure 3 and the first disassembly structure 4 are respectively disposed at both ends of the base 1 along the second direction Y. The assembly structure 3 is used to house the actuator 91 and connect the actuator 91 to the drive device 90, thereby realizing the assembly of the stitcher 9.

[0032] The cover plate 2 is provided with a second disassembly structure 5, which cooperates with the first disassembly structure 4 to disassemble the actuator 91 from the drive device 90. The second disassembly structure 5 extends circumferentially along the cover plate 2 and is positioned opposite to the first disassembly structure 4 in a first direction X. The first direction X is the thickness direction of the cover plate 2 and the base 1.

[0033] Specifically, the first disassembly structure 4 is used to connect with the needle holder 910 of the actuator 91, and the second disassembly structure 5 is used to engage with the notch structure 913 on the needle holder 910. The second disassembly structure 5 and the first disassembly structure 4 are arranged opposite each other in the first direction X. When the actuator 91 is disassembled, the first disassembly structure 4 can engage with the needle holder 910 of the actuator 91, thereby fixing the needle holder 910 of the actuator 91 along the second direction Y. The second disassembly structure 5 can be inserted into or embedded in the notch structure 913, thereby forming a limiting engagement with the needle holder 910 of the actuator 91 in the circumferential direction. The second direction Y intersects with the first direction X. Through the engagement with the notch structure 913, the second disassembly structure 5 provides constraint to the actuator 91, thereby forming a stable engagement with the first disassembly structure 4.

[0034] By cooperating with the first disassembly structure 4 and the second disassembly structure 5, the drive device 90 and the actuator 91 can be separated, thereby enabling the disassembly of the suture device 9. This facilitates independent cleaning, disinfection, or replacement of the actuator 91 after surgery, thereby reducing the overall cost of medical consumables and avoiding the waste of resources and economic burden caused by treating the entire set of equipment as disposable consumables. This arrangement, on the one hand, improves the ease of use of the disassembly and assembly device by integrating the assembly structure 3 and the first disassembly structure 4 on the base 1 and providing the second disassembly structure 5 on the cover plate 2; on the other hand, by arranging the assembly structure 3 and the first disassembly structure 4 in different circumferential areas of the base 1, the assembly and disassembly operations are spatially separated, avoiding mutual interference during assembly or disassembly, thus improving the smoothness and reliability of the overall operation.

[0035] In some embodiments, please refer to Figure 6 and Figure 7The first disassembly structure 4 of the suture disassembly and assembly device includes multiple first locking parts 40, which are spaced apart circumferentially along the base 1. These multiple first locking parts 40 cooperate to form a first deformation space 41. The first deformation space 41 is a region formed by the interval between two adjacent first locking parts 40, allowing the first locking parts 40 to undergo elastic deformation under force. Exemplarily, in this embodiment, there are two first locking parts 40, which cooperate to lock the needle holder 910. Optionally, in some embodiments, the number of first locking parts 40 can be more, such as three or four, with two adjacent parts cooperating to lock the needle holder 910. When the needle holder 910 is fitted onto the first locking part 40 and reaches a predetermined position, the first locking part 40 forms a locking limit with the actuator 91. After disassembly, by applying external force, the first locking part 40 can deform again and release the actuator 91, thereby facilitating independent cleaning, disinfection, or replacement of the actuator 91 and reducing the overall cost of using medical consumables. By setting the first deformation space 41, the elastic deformation capacity of the first snap-fit ​​part 40 is enhanced, thereby improving the connection stability while reducing the resistance to snap-fitting and disassembly, and improving the smoothness of operation.

[0036] In some embodiments, please refer to Figure 8 and Figure 9 The first engaging portion 40 of the suture assembly / disassembly device includes a first body portion 400 and a first protrusion 401. The first body portion 400 is disposed between the base 1 and the first protrusion 401 and is connected to both the base 1 and the first protrusion 401. The first protrusion 401 protrudes from the first body portion 400 toward the side opposite to the first deformation space 41, forming an engaging structure. This structure allows the first protrusion 401 to make contact with the actuator 91 for limiting, while the first body portion 400 provides elastic support, thereby improving the engaging strength and giving the first engaging portion 40 good deformation capability.

[0037] In some embodiments, please refer to Figure 9 The first protrusion 401 has a first guide surface 402, which is located on the outer side of the first protrusion 401. The side of the first guide surface 402 closest to the base 1 is inclined in a direction away from the first deformation space 41. During the insertion of the needle holder 910 of the actuator 91, the actuator 91 first contacts the first guide surface 402 and slides along it, thereby gradually pushing the first locking part 40 to undergo elastic deformation. By providing the first guide surface 402, the insertion difficulty can be reduced, jamming can be minimized, and the smoothness of operation can be improved.

[0038] In some embodiments, please refer to the following: Figure 5 and Figure 10The assembly structure 3 includes a mounting part 30, which is connected to the base 1. The mounting part 30 has a first receiving cavity 300, which is used to receive the actuator 91, so that the actuator 91 can be positioned in the first receiving cavity 300 during the assembly process, avoiding offset or tilting, thereby improving the assembly accuracy with the drive device 90.

[0039] The mounting portion 30 has a first opening 301 that communicates with the first receiving cavity 300, allowing the actuator 91 to be inserted into the first receiving cavity 300 through the first opening 301. Specifically, the mounting portion 30 is generally groove-shaped, with the space inside the groove serving as the first receiving cavity 300 and the opening at the groove being the first opening 301. The assembly structure 3 also includes a plurality of second engaging portions 31, which are spaced apart within the first receiving cavity 300 and connected to the mounting portion 30 respectively. The second engaging portions 31 extend from the bottom wall 303 of the mounting portion 30 toward the first opening 301. A second deformation space 32 is formed between two adjacent second engaging portions 31, meaning that the second deformation space 32 is the area enclosed by two adjacent second engaging portions 31, allowing the second engaging portions 31 to undergo elastic deformation under force. The second engaging portions 31 are used to limit the actuator 91 in the first direction X.

[0040] Specifically, the actuator 91 is inserted into the first receiving cavity 300 through the first opening 301. The inner wall of the needle holder 910 contacts the second locking part 31, and under the action of the insertion force, the second locking part 31 is pushed to elastically deform towards the second deformation space 32, so that the needle holder 910 can be smoothly locked and fixed with the second locking part 31. Subsequently, when the actuator 91 is fixed in the first receiving cavity 300, the needle holder 910 of the actuator 91 is connected to the support 92 of the drive device 90 through a threaded or snap-fit ​​engagement by rotational movement. After the actuator 91 and the drive device 90 are connected, the actuator 91 is pulled out from the first receiving cavity 300, so that it is disengaged from the second locking part 31. During this process, the second deformation space 32 allows the second locking part 31 to elastically deform, so that the actuator 91 can be released from the first receiving cavity 300 and withdrawn along the first opening 301. The second deformation space 32 enhances the elastic deformation capability of the second snap-fit ​​part 31, thereby improving connection stability, reducing disassembly resistance, and increasing the smoothness of disassembly.

[0041] In some embodiments, see again Figure 10The second engaging portion 31 includes a second body portion 310 and a second protrusion 311. The second body portion 310 is disposed between the mounting portion 30 and the second protrusion 311, and is connected to both the mounting portion 30 and the second protrusion 311. The second protrusion 311 protrudes from the mounting portion 30 toward the side opposite to the second deformation space 32, forming an engaging structure. This structure allows the second protrusion 311 to form a contact limit with the actuator 91, while the second body portion 310 provides elastic support, thereby improving the engaging strength and giving the second engaging portion 31 good deformation capability.

[0042] In some embodiments, the second protrusion 311 has a second guide surface 312, which is disposed on the outer side of the second protrusion 311. The side of the second guide surface 312 near the mounting portion 30 is inclined in a direction away from the second deformation space 32. During the insertion of the actuator 91 into the first receiving cavity 300, the actuator 91 first contacts the second guide surface 312 and slides along the second guide surface 312, thereby gradually pushing the second locking portion 31 to undergo elastic deformation. By providing the second guide surface 312, the insertion difficulty can be reduced, jamming can be minimized, and the smoothness of operation can be improved.

[0043] In some embodiments, please refer to Figure 10 The mounting part 30 includes a side wall 302 and a bottom wall 303 connected to each other, which form the first receiving cavity 300. A second engaging part 31 is connected to the bottom wall 303, and multiple second engaging parts 31 extend from the bottom wall 303 toward the first opening 301. On the bottom wall 303, clearance grooves 313 are provided on both sides of the second engaging part 31. These clearance grooves 313 effectively enhance the elastic deformation capability of the second engaging part 31, facilitating the insertion of the actuator 91 into or removal from the assembly structure 3. The clearance groove 313 located between two adjacent second engaging parts 31 communicates with the second deformation space 32.

[0044] The assembly structure 3 also includes a third snap-fit ​​part 33, which is connected to the side wall 302. The third snap-fit ​​part 33 extends from the side wall 302 toward the first receiving cavity 300. The third snap-fit ​​part 33 is used to engage with the notch structure 913 on the needle holder 910 to limit the actuator 91 in the circumferential direction and overcome the torque applied during assembly.

[0045] Optionally, the number of third latching portions 33 can be set to multiple, with two adjacent third latching portions 33 respectively used to latch onto both sides of the notch structure 913 on the needle holder 910. A second opening 34 is provided between two adjacent third latching portions 33, and the second opening 34 communicates with the first receiving cavity 300. When the actuator 91 is in the assembled state, the third latching portion 33 can be inserted into or embedded in the notch structure 913, thereby forming a limiting fit with the actuator 91 in the lateral direction. By providing the second opening 34, two adjacent third latching portions 33 can be brought closer together under pressure, making it more convenient to place the actuator 91 into the assembly structure 3.

[0046] Through the synergistic action of the second snap-fit ​​portion 31 of the bottom wall 303 and the third snap-fit ​​portion 33 of the side wall 302, the actuator 91 is limited in multiple directions, making it less likely for the actuator 91 to loosen after assembly and improving the overall connection stability.

[0047] In some embodiments, please refer to the following: Figure 5 and Figure 11 The cover plate 2 is also provided with a weak structure 12 and a shielding structure 11. The shielding structure 11 and the cover plate 2 are connected by the weak structure 12, and the shielding structure 11 covers the first opening 301. On the one hand, by setting the shielding structure 11, the actuator 91 housed in the assembly structure 3 can be protected, reducing the contamination of the actuator 91; on the other hand, by setting the weak structure 12 between the cover plate 2 and the shielding structure 11 to connect the two, medical personnel can easily break off the shielding structure 11 when using the suture device to assemble or disassemble the device, facilitating installation. The shielding structure 11, the weak structure 12, and the cover plate 2 can be set as an integral structure, and the structural strength of the weak structure 12 can be reduced by decreasing its size in the thickness or width direction. For example, as shown... Figure 5 As shown, the weak structure 12 can be a groove between the shielding structure 11 and the cover plate 2, reducing its thickness to decrease structural strength; as Figure 11 As shown, the weak structure 12 can be a narrow and thin section of structure between the shielding structure 11 and the cover plate 2, and the structural strength is reduced by decreasing its width.

[0048] In some embodiments, please refer to Figure 5 The base 1 has a second receiving cavity 10, which communicates with a first receiving cavity 300. The suture assembly / disassembly device includes a receiving part 6, which is located within the second receiving cavity 10 and is movably connected to the base 1. A suture needle 911 is connected to a suture thread 912, which is disposed on the outer periphery of the receiving part 6, allowing the suture thread 912 to be wound in an orderly manner during use, avoiding tangling. The suture thread 912 is connected to the suture needle 911 on the needle holder 910 through the communicating second receiving cavity 10 and first receiving cavity 300.

[0049] In some embodiments, please refer to Figure 5 The base 1 and the mounting part 30 are integrally formed. When the cover plate 2 is connected to the base 1, the cover plate 2 covers the second receiving cavity 10, and the shielding structure 11 covers the first receiving cavity 300. This arrangement can, on the one hand, provide overall protection for the actuator 91 housed in the first receiving cavity 300 and the receiving part 6 in the second receiving cavity 10, thereby reducing the risk of the actuator 91 detaching or shifting in position during handling or use, improving stability in the assembled state, and reducing equipment contamination.

[0050] In some embodiments, please refer to Figure 5 The receiving part 6 includes a winding part 60 and a support part 61. The winding part 60 surrounds the support part 61 in the circumference. The winding part 60 is provided with a groove 62 in the circumference. The groove 62 is used to receive the suture 912 connected to the suture needle 911.

[0051] In some embodiments, the support portion 61 is fixedly connected to the base 1, and the winding portion 60 is rotatable relative to the support portion 61. In other embodiments, the support portion 61 and the winding portion 60 are an integral structure, and both the support portion 61 and the winding portion 60 are rotatable relative to the base 1 about a rotation axis, which may be the central axis of the support portion 61. This arrangement allows the suture 912 to be wound in an orderly manner along the groove 62 for storage or release, reducing the risk of suture 912 tangling and thus improving operational stability.

[0052] In some embodiments, please refer to Figure 5 The receiving part 6 has at least one through hole 63, which is provided in the winding part 60. By providing the through hole 63, the weight of the overall sewing machine assembly and disassembly device can be reduced, improving the user experience.

[0053] In some embodiments, please refer to Figure 7 Multiple through holes 63 are arranged at intervals along the circumference of the winding section 60. By circumferentially spacing them, the mass distribution in each area of ​​the winding section 60 is made more uniform, thereby reducing the eccentric force and improving the smoothness of rotation during the rotation of the winding section 60.

[0054] In some embodiments, please refer to Figure 7 Multiple through holes 63 are symmetrically arranged with respect to the center of the winding section 60. This symmetrical arrangement further balances the mass distribution of the winding section 60, reduces vibration or swaying during rotation, and thus improves structural stability.

[0055] In some embodiments, please refer to Figure 8 and Figure 11 , Figure 11This is a schematic diagram of the structure of the cover plate 2 provided in an exemplary embodiment of this application. One of the cover plate 2 and the base 1 is provided with a groove 7, and the other is provided with a limiting part 8. The limiting part 8 is embedded in the groove 7 to achieve a detachable connection between the cover plate 2 and the base 1. The cover plate 2 and the base 1 are connected through the groove 7 and the limiting part 8. The limiting part 8 is embedded in the groove 7, thereby achieving reliable fixation. Simultaneously, when needed, the limiting part 8 can be disengaged from the groove 7 by external force, thereby achieving the disassembly of the cover plate 2. This configuration ensures a stable connection for the cover plate 2 while providing good ease of disassembly.

[0056] In some embodiments, refer to Figure 8 and Figure 11 The cover plate 2 is provided with multiple limiting parts 8, and the base 1 is provided with multiple grooves 7 corresponding to the limiting parts 8. During disassembly, the cover plate 2 covers the base 1 and connects with the limiting parts 8 through the grooves 7. The first disassembly structure 4 of the base 1 and the second disassembly structure 5 of the cover plate 2 are connected to the actuator 91, separating the drive device 90 from the actuator 91, thereby disassembling the suture 9 and facilitating independent cleaning, disinfection, or replacement of the actuator 91 after surgery. During assembly, the cover plate 2 is separated from the base 1, the actuator 91 is housed in the first receiving cavity 300 and connected to the mounting part 30, the actuator 91 is connected to the drive device 90, and the mounting part 30 is separated from the actuator 91, thereby assembling the suture 9.

[0057] This application exemplarily describes the operation of the stitcher removal and assembly device: In use, the cover plate 2 is separated from the base 1, so that the first receiving cavity 300 is in the open state. The actuator 91 is inserted into the first receiving cavity 300 through the first opening 301 of the mounting part 30. During the insertion process, the outer wall of the actuator 91 contacts the second locking part 31 and the third locking part 33 respectively. Under the action of the insertion force, the second locking part 31 and the third locking part 33 undergo elastic deformation, so that the actuator 91 can smoothly enter the predetermined position. The cover plate 2 is then connected to the base 1.

[0058] When assembling the stitcher 9, the weak structure 12 is broken off to detach the shielding structure 11 from the cover plate 2, exposing the actuator 91. By rotating, the actuator 91 is connected to the drive device 90 via a threaded or snap-fit ​​structure. Subsequently, the actuator 91 is removed from the first receiving cavity 300, thereby completing the assembly of the stitcher 9.

[0059] During disassembly, the cover plate 2 and the base 1 remain connected, allowing the first disassembly structure 4 and the second disassembly structure 5 to cooperate with each other. Specifically, multiple first snap-fit ​​parts 40 in the first disassembly structure 4 form a snap-fit ​​connection with the actuator 91. Simultaneously, the second disassembly structure 5 on the cover plate 2 engages with the notch structure 913 on the actuator 91, providing circumferential constraint to the actuator 91 and preventing it from shifting or slipping under force. After the actuator 91 is positioned through the coordinated action of the first disassembly structure 4 and the second disassembly structure 5, it is then disengaged from the drive device 90 by rotation.

[0060] After the actuator 91 is separated from the drive device 90, a force in the opposite direction along the second direction Y can be applied to the actuator 91 to allow it to detach smoothly from the sewing machine disassembly and assembly device. After disassembly, the actuator 91 can be removed separately for cleaning, disinfection, or replacement.

[0061] Through the above-described process, the suture assembly and disassembly device of this application can achieve rapid assembly and disassembly of the suture 9, while providing stable limiting during assembly and multi-point coordinated force during disassembly, thereby improving the smoothness, stability and reliability of the overall operation.

[0062] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0063] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0064] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0065] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A suture assembly / disassembly device, characterized in that, include: Base (1); Cover plate (2), which is detachably fitted onto the base (1); The base (1) is provided with an assembly structure (3) and a first disassembly structure (4), and the assembly structure (3) and the first disassembly structure (4) are respectively located at different positions along the circumference of the base (1); the cover plate (2) is provided with a second disassembly structure (5) that cooperates with the first disassembly structure (4).

2. The suture assembly / disassembly device according to claim 1, characterized in that, The first disassembly structure (4) includes a plurality of first snap-fit ​​parts (40), which are arranged circumferentially along the base (1), and a first deformation space (41) is formed between two adjacent first snap-fit ​​parts (40).

3. The suture assembly / disassembly device according to claim 2, characterized in that, The first snap-fit ​​portion (40) includes a first body portion (400) and a first protrusion portion (401). The first body portion (400) is disposed between the base (1) and the first protrusion portion (401) and is connected to the base (1) and the first protrusion portion (401) respectively. The first protrusion portion (401) protrudes from the first body portion (400) toward the side opposite to the first deformation space (41).

4. The suture assembly / disassembly device according to claim 3, characterized in that, The first protrusion (401) has a first guide surface (402), which is inclined on the side near the base (1) toward the direction away from the first deformation space (41).

5. The suture assembly / disassembly device according to claim 1, characterized in that, The second disassembly structure (5) corresponds to the first disassembly structure (4) in the first direction (X).

6. The suture assembly / disassembly device according to claim 1, characterized in that, The assembly structure (3) includes a mounting part (30) having a first receiving cavity (300) and the mounting part (30) being connected to the base (1).

7. The suture assembly / disassembly device according to claim 6, characterized in that, The mounting portion (30) has a first opening (301) that communicates with the first receiving cavity (300); The assembly structure (3) includes a plurality of second snap-fit ​​portions (31), which are spaced apart. The second snap-fit ​​portions (31) are located in the first receiving cavity (300) and connected to the mounting portion (30). The second snap-fit ​​portions (31) extend from the mounting portion (30) toward the first opening (301), and a second deformation space (32) is formed between two adjacent second snap-fit ​​portions (31).

8. The suture assembly / disassembly device according to claim 7, characterized in that, The second snap-fit ​​portion (31) includes a second body portion (310) and a second protrusion portion (311). The second body portion (310) is disposed between the mounting portion (30) and the second protrusion portion (311) and is connected to the mounting portion (30) and the second protrusion portion (311) respectively. The second protrusion portion (311) protrudes from the mounting portion (30) toward the side opposite to the second deformation space (32).

9. The suture assembly / disassembly device according to claim 8, characterized in that, The second protrusion (311) has a second guide surface (312), which is inclined on the side near the mounting portion (30) toward the direction away from the second deformation space (32).

10. The suture assembly / disassembly device according to claim 7, characterized in that, The mounting part (30) includes a side wall (302) and a bottom wall (303) connected to each other, and the second snap-fit ​​part (31) is connected to the bottom wall (303); The assembly structure (3) includes a third snap-fit ​​part (33), which is connected to the side wall (302) and extends from the side wall (302) toward the first receiving cavity (300).

11. The suture assembly / disassembly device according to claim 7, characterized in that, The cover plate (2) is also provided with a weak structure (12) and a shielding structure (11). The shielding structure (11) and the cover plate (2) are connected through the weak structure (12). The shielding structure (11) covers the first opening (301).

12. The suture assembly / disassembly device according to claim 6, characterized in that, The base (1) has a second receiving cavity (10), which is connected to the first receiving cavity (300); The suture assembly / disassembly device includes a receiving part (6) located within the second receiving cavity (10) and movably connected to the base (1).

13. The suture assembly / disassembly device according to claim 12, characterized in that, The receiving part (6) includes a winding part (60) and a support part (61). The winding part (60) surrounds the support part (61) in the circumferential direction, and the winding part (60) is provided with a groove (62) in the circumferential direction.

14. The suture assembly / disassembly device according to claim 13, characterized in that, The receiving portion (6) has at least one through hole (63) disposed in the winding portion (60).

15. The suture assembly / disassembly device according to claim 1, characterized in that, One of the cover plate (2) and the base (1) is provided with a groove (7), and the other is provided with a limiting part (8). The limiting part (8) is embedded in the groove (7) to realize the detachable connection between the cover plate (2) and the base (1).

Images