Assembly device for suture anchor and inserter

Abstract

The utility model relates to the technical field of medical instruments, in particular to an assembling device for assembling a suture anchor on an inserter. The clamping device comprises a base, a fixed clamping part and a movable clamping part, the fixed clamping part and the movable clamping part are arranged on the base; the base comprises a first base, a second base and a third base which are arranged in sequence; the clamping part is fixed on the first base; the movable clamping part is arranged on the second base; the third base is provided with an inserter insertion rod channel; the fixed clamping part comprises a fixed block, a first clamping piece and a second clamping piece; the first clamping piece and the second clamping piece form a Y-shaped clamping structure with one end flush and the other end open. The Y-shaped opening end of the clamping structure is connected to one end of the fixing block. According to the utility model, a doctor can continuously replace suture anchors only by using one inserter in an operation, so that the use of surgical tools is simplified, the surgical operation is simple and quick, and the surgical cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an assembly device for a suture anchor and an inserter. Background Art

[0002] At present, all suture anchors are pre-assembled with a disposable inserter and suture anchor, and then sterilized and packaged. When in use, the whole set of equipment can be disassembled and used immediately. However, in actual clinical surgery, more than one set of suture anchors is usually used, and each suture anchor needs to be used with its pre-assembled inserter. Therefore, multiple disposable inserters need to be discarded in one surgery, which makes it inconvenient to replace surgical tools and increases the cost of surgery. Utility Model Content

[0003] The purpose of the utility model is to provide an assembly device for a suture anchor and an inserter, which can realize free assembly between the suture anchor and the inserter, so that the inserter can be reused, simplifying the use of surgical tools and reducing surgical costs.

[0004] The embodiment of the utility model is achieved as follows:

[0005] The utility model provides an assembly device for a suture anchor and an inserter, which is used for assembling the suture anchor on the inserter, and comprises a base, a fixed clamping part and a movable clamping part;

[0006] The fixed clamping part and the movable clamping part are both arranged on the base;

[0007] The base comprises a first base, a second base and a third base which are arranged in sequence;

[0008] The fixed clamping part is arranged on the first base, and is used to clamp the middle part of the nail body of the suture anchor; the movable clamping part is arranged on the second base, and is used to clamp the two ends of the nail body, and drive the nail body to move toward the third base; the third base is provided with a channel allowing the insertion rod of the inserter to pass through, so that the head end of the insertion rod can pass through the channel and be connected with the nail body under the action of the movable clamping part;

[0009] The fixed clamping part includes a fixed block, a first clamping piece and a second clamping piece;

[0010] The first clamping piece and the second clamping piece each have at least one bend, so that the first clamping piece and the second clamping piece can form a Y-shaped clamping structure with one end flush and the other end open;

[0011] The Y-shaped opening end of the clamping structure is connected to one end of the fixing block and is used to clamp the middle part of the suture anchor body.

[0012] In an optional embodiment, the fixing block is disposed on the first base, and the clamping structure is disposed on a side of the fixing block facing the second base, so that the clamping structure is located above the second base.

[0013] In an optional embodiment, a positioning structure is provided on the first base for positioning the fixed clamping portion.

[0014] In an optional embodiment, the positioning structure includes a plurality of positioning blocks, and a positioning space is formed between the plurality of positioning blocks for positioning the fixed clamping portion.

[0015] In an optional embodiment, the positioning structure includes a pressure cover, which is rotatably connected to the first base, and a rotating shaft between the pressure cover and the first base is arranged at an end of the first base away from the second base.

[0016] In an optional embodiment, the mobile clamping portion includes mobile clamping units symmetrically arranged on two opposite sides of the second base;

[0017] The mobile clamping unit includes a sliding pressing plate and a wire pressing plate;

[0018] The sliding pressure plate is slidably arranged on one side of the second base, and a pressing groove is arranged on the sliding pressure plate. The wire pressing plate is arranged in the pressing groove to press and position the two ends of the nail body passing through the pressing groove.

[0019] In an optional embodiment, the mobile clamping unit further includes a handle, the handle includes an active rod and a passive rod, one end of the active rod is connected to one end of the passive rod to form an L-shaped structure;

[0020] A rotating shaft is provided at the connection between the active rod and the passive rod;

[0021] One end of the passive rod away from the rotating shaft is connected to one end of the sliding pressure plate, and the sliding pressure plate can be driven to move by driving the active rod.

[0022] In an optional embodiment, the mobile clamping unit further includes an elastic member;

[0023] One end of the elastic member is arranged on the third base, and the other end of the elastic member is connected to the active rod.

[0024] In an optional embodiment, a limiting structure is provided on the third base, and the limiting structure is used to limit the inserter passing through the channel.

[0025] In an optional embodiment, the limiting structure includes an n-type limiting fork;

[0026] The third base is provided with a limiting groove, the limiting fork is slidably arranged in the limiting groove, and the limiting fork can limit or release the limit of the inserter by sliding in the limiting groove.

[0027] The beneficial effects of the embodiments of the utility model are:

[0028] The suture anchor is positioned by the first clamping piece and the second clamping piece of the fixed clamping part on the first base, the inserter is positioned by the third base, and the nail body of the suture anchor is moved by the movable clamping part, and moves out from between the first holding piece and the second clamping piece, and enters the head of the inserter, so as to realize the connection between the suture anchor and the inserter. The whole process is simple and fast to operate, and the inserter can be reused many times, so that the doctor only needs to use one inserter to continuously replace the suture anchor during the operation, and there is no need to configure a disposable inserter for each suture anchor, which not only simplifies the use of surgical tools, makes the surgical operation simple and fast, but also reduces the cost of surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A front view of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0031] Figure 2 for Figure 1 AA section view;

[0032] Figure 3 for Figure 2 A partial enlarged view of point B;

[0033] Figure 4 A schematic diagram of the structure of the clamping structure of the assembly device of the suture anchor and the inserter provided in an embodiment of the utility model;

[0034] Figure 5 A side view of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0035] Figure 6 for Figure 5 CC section view;

[0036] Figure 7 A schematic diagram of the three-dimensional structure of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0037] Figure 8 A front view of a base of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0038] Fig. 9 for Figure 8 A top view of

[0039] Fig.10 A schematic diagram of the three-dimensional structure of the base of the assembly device of the suture anchor and the inserter provided in an embodiment of the utility model;

[0040] Fig.11 A schematic structural diagram of a gland of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0041] Fig.12 A schematic structural diagram of a sliding pressure plate of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0042] Fig.13 A schematic structural diagram of a pressure plate of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0043] Fig.14 A schematic diagram of the structure of a handle of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model;

[0044] Fig.15 A schematic structural diagram of a limiting structure of an assembly device for a suture anchor and an inserter provided in an embodiment of the utility model.

[0045] Icon: 1-base; 1-1-first base; 1-2-second base; 1-3-third base; 1-4-pressure cover; 1-5-rotating shaft; 1-6-first protrusion; 1-7-positioning block; 1-8-second shaft hole; 1-9-connecting block; 1-10-second protrusion; 1-11-third protrusion; 1-12-limiting groove; 1-13-channel; 1-14-positioning hole; 1-15-positioning groove; 2-fixed clamping part; 2-1-fixed block; 2-2- Clamping structure; 2-2-1: first clamping piece; 2-2-2: second clamping piece; 3-movable clamping part; 3-1-wire pressing plate; 3-2-sliding pressing plate; 3-3-handle; 3-4-pressing groove; 3-5-pressing groove; 3-6-sliding hole; 3-7-third protrusion; 3-8-limiting rod; 3-9-active rod; 3-10-passive rod; 3-11-strip hole; 3-12-third axial hole; 4-inserter; 5-nail body; 6-limiting fork; 7-moving block. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0047] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0049] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0050] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0051] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] The following is combined with Figure 1 To Attachment Fig.15 , some embodiments of the present utility model are described in detail. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0053] The utility model provides an assembly device for a suture anchor and an inserter, which is used to assemble the suture anchor on the inserter 4. Figures 1 to 7 As shown, it includes a base 1, a fixed clamping part 2 and a movable clamping part 3; the fixed clamping part 2 and the movable clamping part 3 are both arranged on the base 1; Figure 8 , Fig. 9 and Fig.10 As shown, the base 1 includes a first base 1-1, a second base 1-2 and a third base 1-3 which are arranged in sequence; the fixed clamping part 2 is arranged on the first base 1-1, and is used to clamp the middle part of the nail body 5 of the suture anchor; the movable clamping part 3 is arranged on the second base 1-2, and is used to clamp the two ends of the nail body 5 and drive the nail body 5 to move in the direction of the third base 1-3; the third base 1-3 is provided with a channel 1-13 for allowing the insertion rod of the inserter 4 to pass through, so that the head end of the inserter 4 can be connected with the nail body 5 under the action of the movable clamping part 3 after passing through the channel 1-13; the fixed clamping part includes a fixed block, a first clamping piece and a second clamping piece; the first clamping piece and the second clamping piece each have at least one bend, which can make the first clamping piece and the second clamping piece form a Y-shaped clamping structure with one end arranged flush and the other end opened; the Y-shaped open end of the clamping structure is connected to one end of the fixed block, and is used to clamp the middle part of the nail body.

[0054] In this embodiment, the nail body 5 can be flexibly and conveniently installed on the inserter 4 through an assembly device, so that the nail body 5 does not need a disposable inserter 4, thereby improving the utilization rate of the inserter 4.

[0055] In this embodiment, the base 1 is divided into three parts. The first base 1-1 is used to install the fixed clamping part 2, and the fixed clamping part 2 can be used to clamp and position the nail body 5. The third base 1-3 is used to position the inserter 4, so that the end of the inserter 4 can be aligned with the nail body 5 clamped and positioned by the fixed clamping part 2. The clamped position of the nail body 5 is located on the second base 1-2, and under the action of the movable clamping part 3, it can move toward the inserter 4, thereby achieving the purpose of positioning the nail body 5 at the end of the inserter 4.

[0056] In this embodiment, the channel 1-13 set on the third base 1-3 can position the inserter 4. Its shape is the same as the outer contour shape of the inserter 4, and the size matches, so that the inserter 4 can only move along the extension direction of the channel 1-13, but cannot move in any direction of the cross-section of the channel 1-13, nor can it rotate, thereby achieving the purpose of positioning the inserter 4.

[0057] Specifically, in this embodiment, the channel 1 - 13 is a rectangular through hole.

[0058] It should be pointed out that the channel 1-13 can be set as a rectangular through hole, but it is not limited to a rectangular through hole, and it can also be other types of structures, such as a rectangular through groove, etc., as long as it can limit the inserter 4.

[0059] In this embodiment, the movable clamping part 3 can be arranged on the second base 1-2, or on the third base 1-3, or on the first base 1-1, as long as the movable clamping part 3 can drive the nail body 5 to move.

[0060] In this embodiment, the first clamping piece 2-2-1 and the second clamping piece 2-2-2 are both elastic parts. After forming a Y-shaped clamping structure, the open end thereof is connected to the fixed block to form a closed result, and the other end can be opened and closed under the action of elasticity, so that the nail body 5 can move in and out, which can not only realize the clamping effect on the nail body 5, but also can be separated from the first clamping piece 2-2-1 and the second clamping piece 2-2-2 under the action of the movable clamping part 3, and enter the head groove of the insertion rod, thereby realizing the connection between the suture anchor and the inserter.

[0061] Specifically, in this embodiment, the connection position of the first clamping piece 2-2-1 and the second clamping piece 2-2-2 corresponds to the channel 1-13, so that the suture anchor can be accurately installed on the inserter.

[0062] In an optional embodiment, a positioning structure is provided on the first base 1 - 1 for positioning the fixed clamping portion 2 .

[0063] In this embodiment, the positioning structure is used to position the fixed clamping part 2 to prevent the fixed clamping part 2 from moving during use and causing inaccurate positioning of the nail body 5, thereby ensuring the accuracy of installing the nail body 5 on the inserter 4.

[0064] In an optional embodiment, the positioning structure includes a plurality of positioning blocks 1 - 7 , and a positioning space is formed between the plurality of positioning blocks 1 - 7 for positioning the fixed clamping portion 2 .

[0065] Specifically, in the column of this embodiment, the number of positioning blocks 1-7 is four, which are respectively arranged at the four corners of the first base 1-1, so that a positioning space is formed in the middle position. Part of the structure of the fixed clamping part 2 is arranged in the positioning space and clamped by the four positioning blocks 1-7, so that the fixed clamping part 2 cannot move.

[0066] It should be pointed out that the positioning structure can be the above-mentioned setting method of the positioning block 1-7, but it is not limited to the above-mentioned setting method. It can also be other positioning structures, such as being set as a groove structure for positioning, or being positioned by multiple pins, etc., as long as it is a structure that can realize the positioning of the fixed clamping part 2.

[0067] In an optional embodiment, the positioning structure includes a pressure cover 1-4, the pressure cover 1-4 is rotatably connected to the first base 1-1, and the rotating shaft 1-5 between the pressure cover 1-4 and the first base 1-1 is arranged at an end of the first base 1-1 away from the second base 1-2.

[0068] In this embodiment, if Figure 4 As shown, by setting the pressure cover 1-4, the fixed clamping part 2 can be further positioned to prevent the fixed clamping part 2 from jumping out from between the positioning blocks 1-7.

[0069] In this embodiment, the structure of the gland 1-4 is as follows Fig. 9 As shown, it includes a cover plate and a first protrusion 1-6, the first protrusion 1-6 is arranged at one end of the cover plate, and the other end of the cover plate is arranged with a first axial hole, and the cover plate has a positioning groove 1-15 and a positioning hole 1-14, wherein the positioning groove 1-15 is arranged at two corners of one end of the cover plate with the first axial hole, and the positioning hole 1-14 is arranged at a corner of one side of the cover plate with the first protrusion 1-6, and the positioning groove 1-15 and the positioning hole 1-14 are respectively matched with four positioning blocks 1-7 on the first base 1-1, and at the same time, two of the positioning blocks 1-7 have second axial holes 1-8 corresponding to the first axial holes, and after the rotating shaft passes through the second axial hole 1-8, the first axial hole and another second axial hole 1-8 in sequence, the rotation connection between the cover plate and the first base 1-1 is realized.

[0070] In this embodiment, two positioning blocks 1-7 are arranged on one end of the first base 1-1 close to the second base 1-2, and the top of each positioning block 1-7 has a connecting block 1-9 that can be inserted into the positioning hole 1-14, so that the cover plate can be fixedly positioned to a certain extent through the connecting block 1-9.

[0071] In an optional embodiment, the fixing block 2-1 is disposed on the first base 1-1, and the clamping structure 2-2 is disposed on a side of the fixing block 2-1 facing the second base 1-2, so that the clamping structure is located above the second base 1-2.

[0072] In this embodiment, if Fig.10 As shown, a spatial rectangular coordinate system is defined, with the direction in which the first base 1-1 approaches or is originally the second base 1-2 as the x-axis direction, the direction in which the first base 1-1 approaches the second base 1-2 as the positive direction, the height direction of the positioning block 1-7 as the z-axis direction, and the direction perpendicular to both the x-axis and the z-axis as the y-axis direction.

[0073] Four positioning blocks 1 - 7 are located at four corners of the first base 1 - 1 , so that a cross-shaped space is formed on the first base 1 - 1 in the xy plane.

[0074] Specifically, in the present embodiment, the fixed clamping portion 2 is composed of two parts, a fixed block 2-1 and a clamping structure 2-2, wherein, when in use, the fixed block 2-1 has a T-shaped cross-section parallel to the xy plane, and both lateral ends thereof extend between two adjacent positioning blocks 1-7, and vertically extend along the positive direction of the x-axis into between the two positioning blocks 1-7 in the positive direction of the x-axis, so that the clamping structure 2-2 can be connected to the fixed block 2-1 and can clamp the nail body 5 above the second base 1-2.

[0075] In an optional embodiment, the mobile clamping portion 3 includes mobile clamping units symmetrically arranged on two opposite sides of the second base 1-2; Fig.10 and Fig.11 As shown, the mobile clamping unit includes a sliding pressure plate 3-2 and a wire pressing plate 3-1; the sliding pressure plate 3-2 is slidably set on one side of the second base 1-2, and a pressing groove 3-4 is set on the sliding pressure plate 3-2. The wire pressing plate 3-1 is set in the pressing groove 3-4, and is used to press and position the end of the nail body 5 passing through the pressing groove 3-4.

[0076] In this embodiment, the two mobile clamping units are relatively arranged on the second base 1 - 2 , which can improve the stability of the mobile clamping units when they are in use.

[0077] Specifically, in the present embodiment, the movable clamping unit includes a sliding pressure plate 3-2 and a wire pressing plate 3-1. The sliding of the sliding pressure plate 3-2 can drive the wire pressing plate 3-1 to slide. The wire pressing plate 3-1 can fix the end of the nail body 5 in the pressing groove 3-4 of the sliding pressure plate 3-2 by pressing, so that the nail body 5 can move with the sliding pressure plate 3-2, thereby sending the nail body 5 into the inserter 4 and completing the assembly between the nail body 5 and the inserter 4.

[0078] More specifically, in the present embodiment, one end of the sliding pressure plate 3-2 has a pressing groove 3-4, the wire pressing plate 3-1 is arranged in the pressing groove 3-4, a sliding hole 3-6 is also arranged on the sliding pressure plate 3-2, and a second protrusion 1-10 is provided on the side wall of the second base 1-2 or the third base 1-3, and the second protrusion 1-10 is arranged in the sliding hole 3-6. The movement of the sliding pressure plate 3-2 is limited by the cooperation between the sliding hole 3-6 and the second protrusion 1-10.

[0079] More specifically, in the present embodiment, the wire pressing plate 3 - 1 is connected to the sliding pressing plate 3 - 2 via a pin shaft, and the wire pressing plate 3 - 1 can be lifted and closed by the pin shaft, thereby achieving the effect of releasing and pressing the nail body 5 .

[0080] In this embodiment, in order to facilitate the positioning of the wire pressing plate 3-1 on the sliding pressure plate 3-2, that is, to ensure that the wire pressing plate 3-1 is pressed against the nail body 5, a limiting rod 3-8 is provided at the end of the wire pressing plate 3-1 away from the pin shaft, and a pressing groove 3-5 is provided on the side wall of the pressing groove 3-4. The limiting rod 3-8 can be inserted into the pressing groove 3-5, which can prevent the wire pressing plate 3-1 from reversing and ensure the pressing effect on the nail body 5.

[0081] In this embodiment, the limiting rod 3-8 can be made of a material with a certain elasticity, which can ensure that the limiting rod 3-8 is better inserted into the clamping groove 3-5.

[0082] In this embodiment, when the wire pressing plate 3-1 presses the end of the nail body 5, there is a gap between the wire pressing plate 3-1 and the bottom of the pressing groove 3-4, which can allow the suture to pass through, so that the suture in the compressed nail body 5 can return from the gap to the top of the second base 1-2 and connect with the inserter 4.

[0083] In this embodiment, the two movable clamping units have the same structure and are symmetrically arranged on the symmetry plane of the base 1 .

[0084] In this embodiment, the second protrusion 1-10 may be a protrusion structure directly disposed on the second base 1-2 or the third base 1-3, or may be a protrusion structure directly disposed on the second base 1-2 or the third base 1-3. Figure 8 As shown, after a fin plate is arranged on the side wall of the second base 1 - 2 or the third base 1 - 3 , a protruding structure is arranged on the fin plate.

[0085] In an optional embodiment, the mobile clamping unit also includes a handle 3-3, the handle 3-3 includes an active rod 3-9 and a passive rod 3-10, one end of the active rod 3-9 is connected to one end of the passive rod 3-10 to form an L-shaped structure; a rotating shaft is provided at the connection between the active rod 3-9 and the passive rod 3-10; the end of the passive rod 3-10 away from the rotating shaft is connected to one end of the sliding pressure plate 3-2, and can drive the sliding pressure plate 3-2 to move by driving the active rod 3-9.

[0086] In this embodiment, the two mobile clamping units have two handles 3 - 3 in total, which makes operation more convenient.

[0087] In this embodiment, if Fig.12 As shown, the passive rod 3-10 of the handle 3-3 is two plate-like structures, which are connected with the active rod 3-9 to form a Y-type or n-type structure. The two passive rods 3-10 are respectively arranged on the upper and lower sides of the sliding pressure plate 3-2.

[0088] A third axial hole 3-12 is provided at the connection of the active rod 3-9 and the passive rod 3-10, which cooperates with the third protrusion 1-11 on the side wall of the third base 1-3 to realize the rotation of the handle 3-3 relative to the base 1.

[0089] In this embodiment, the passive rod 3-10 has a strip hole 3-11 at one end away from the rotating shaft, and connecting shafts are provided on the opposite sides of the end of the sliding pressure plate 3-2. The connecting shafts are inserted into the strip hole 3-11, so that when the active rod 3-9 drives the passive rod 3-10 to rotate, it can drive the sliding pressure plate 3-2 to slide along the trajectory specified by its sliding hole 3-6, that is, the handle 3-3 can provide moving power for the sliding pressure plate 3-2, thereby driving the nail body 5 to move.

[0090] In an optional embodiment, the mobile clamping unit further includes an elastic member; one end of the elastic member is disposed on the third base 1 - 3 , and the other end of the elastic member is connected to the active rod 3 - 9 .

[0091] In this embodiment, the elastic member is a compression spring.

[0092] Specifically, one end of the compression spring abuts against the side wall of the third base 1-3, and the other end abuts against the outer wall of the handle 3-3, which can apply a force to the active rod 3-9 in a direction away from the third base 1-3.

[0093] It should be pointed out that in the present embodiment, the elastic member is a compression spring, but it is not limited to a compression spring, it can also be other elastic members, such as a tension spring, one end of the tension spring is connected to the third base 1-3, and the other end is connected to the passive rod 3-10, or the elastic member is set as a spring, a torsion spring, etc., that is, as long as a force can be applied to the handle 3-3 to reset the handle 3-3 after squeezing the handle 3-3, it will be fine.

[0094] In an optional embodiment, a limiting structure is provided on the third base 1 - 3 , and the limiting structure is used to limit the inserter 4 passing through the channel 1 - 13 .

[0095] In this embodiment, a limiting groove 1-12 is set on the third base 1-3, and a limiting structure is set in the limiting groove 1-12. Through the setting of the limiting structure, the inserter 4 can be limited, thereby ensuring that the inserter 4 will not be displaced in the xy plane after being inserted into the channel 1-13.

[0096] In an alternative embodiment, Fig.13 As shown, the limiting structure includes an n-shaped limiting fork 6; a limiting groove 1-12 is set on the third base 1-3, and the limiting fork 6 is slidably set in the limiting groove 1-12. The limiting fork 6 can limit or release the limit of the inserter 4 by sliding in the limiting groove 1-12.

[0097] In this embodiment, the limiting structure mainly includes an n-type limiting fork 6, whose two fork rods can be set on both sides of the inserter 4 to limit the inserter 4 in the y direction. The limiting fork 6 is tightly fitted with the inserter 4 and can limit the inserter 4 in the x direction after the inserter 4 is inserted into the channel 1-13.

[0098] In this embodiment, a moving block 7 is provided at one end of the limiting fork 6 away from the opening, and the limiting fork 6 can be conveniently operated accordingly by holding the moving block 7 .

[0099] Specifically, in the present embodiment, a friction structure is provided on the outer wall of the moving block 7 , and the provision of the friction structure can achieve a protective effect when the moving block 7 moves.

[0100] Specifically, in this embodiment, the shape of the moving block 7 is a cube, and it can also be set to other shapes.

[0101] It can be seen from the above that the assembly device provided by the utility model has the following installation process:

[0102] 1. The fixed clamping part 2 is assembled with the nail body 5, that is, the nail body of the nail body 5 passes through the Y-shaped clamping structure 2-2 of the fixed clamping part 2;

[0103] 2. Load the fixed clamping part 2 formed in the previous step into the first base 1-1, that is, load the fixed block 2-1 of the fixed clamping part 2 into the positioning space on the first base 1-1, so that the clamping structure 2-2 with the nail body 5 is located on the second base 1-2;

[0104] 3. Further fix the nail body 5, that is, clamp the nail body 5 at the free end into the wire pressing plate 3-1, and the remaining suture passes through the wire pressing plate 3-1 and then passes back into the channel 1-13 of the third base 1-3 through the gap;

[0105] 4. Insert the through slot at the head end of the insertion rod of the inserter 4 into the channel 1-13 of the third base 1-3 laterally until the through hole at the head end of the inserter 4 is inserted into the clamping structure 2-2, and at the same time press the moving block 7 so that the n-shaped limit fork 6 fixes the insertion rod of the inserter 4;

[0106] 5. Hold the handle 3-3 with one hand and perform a gripping action, and move the clamping part 3 to drive the nail body 5 through the clamping structure 2-2 and enter the head end of the inserter 4;

[0107] 6. Wrap the sutures at both ends of the nail body 5 around the handle 3-3 of the inserter 4, and then withdraw the inserter 4 from the assembly device.

[0108] The beneficial effects of the embodiments of the utility model are:

[0109] The suture anchor is positioned by the first clamping piece 2-2-1 and the second clamping piece 2-2-2 of the fixed clamping part 2 on the first base 1-1, and the inserter 1-4 is positioned by the third base 1-3. The nail body 5 of the suture anchor is driven to move by the mobile clamping part 3, and moves out from between the first holding piece 2-2-1 and the second clamping piece 2-2-2, and enters the head of the inserter 4, so as to realize the connection between the suture anchor and the inserter 4. The whole process is simple and fast to operate, and the inserter 4 can be reused many times, so that the doctor only needs to use one inserter to continuously replace the suture anchor during the operation, and there is no need to configure a disposable inserter for each suture anchor, which not only simplifies the use of surgical tools, makes the surgical operation simple and fast, but also reduces the cost of surgery.

[0110] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A suture anchor and inserter assembly device, used for assembling a suture anchor on an inserter, characterized in that: It includes a base, a fixed clamping part and a movable clamping part; The fixed clamping part and the movable clamping part are both arranged on the base; The base comprises a first base, a second base and a third base which are arranged in sequence; The fixed clamping part is arranged on the first base, and is used to clamp the middle part of the nail body of the suture anchor; the movable clamping part is arranged on the second base, and is used to clamp the two ends of the nail body, and drive the nail body to move toward the third base; the third base is provided with a channel allowing the insertion rod of the inserter to pass through, so that the head end of the insertion rod can pass through the channel and be connected with the nail body under the action of the movable clamping part; The fixed clamping part includes a fixed block, a first clamping piece and a second clamping piece; The first clamping piece and the second clamping piece each have at least one bend, so that the first clamping piece and the second clamping piece can form a Y-shaped clamping structure with one end flush and the other end open; The Y-shaped opening end of the clamping structure is connected to one end of the fixing block and is used to clamp the middle part of the nail body.

2. The assembly device according to claim 1, characterized in that: The fixing block is arranged on the first base, and the clamping structure is arranged on a side of the fixing block facing the second base, so that the clamping structure is located above the second base.

3. The assembly device according to claim 1, characterized in that: The first base is provided with a positioning structure for positioning the fixed clamping portion.

4. The assembly device according to claim 3, characterized in that: The positioning structure includes a plurality of positioning blocks, and a positioning space is formed between the plurality of positioning blocks for positioning the fixed clamping portion.

5. The assembly device according to claim 3, characterized in that: The positioning structure includes a pressure cover, which is rotatably connected to the first base, and a rotating shaft between the pressure cover and the first base is arranged at an end of the first base away from the second base.

6. The assembly device according to claim 1, characterized in that: The mobile clamping portion includes mobile clamping units symmetrically arranged on two opposite sides of the second base; The mobile clamping unit includes a sliding pressing plate and a wire pressing plate; The sliding pressure plate is slidably arranged on one side of the second base, and a pressing groove is arranged on the sliding pressure plate. The wire pressing plate is arranged in the pressing groove to press and position the two ends of the nail body passing through the pressing groove.

7. The assembly device according to claim 6, characterized in that: The mobile clamping unit further includes a handle, the handle includes an active rod and a passive rod, one end of the active rod is connected to one end of the passive rod to form an L-shaped structure; A rotating shaft is provided at the connection between the active rod and the passive rod; One end of the passive rod away from the rotating shaft is connected to one end of the sliding pressure plate, and the sliding pressure plate can be driven to move by driving the active rod.

8. The assembly device according to claim 7, characterized in that: The mobile clamping unit also includes an elastic member; One end of the elastic member is arranged on the third base, and the other end of the elastic member is connected to the active rod.

9. The assembly device according to claim 1, characterized in that: A limiting structure is disposed on the third base, and the limiting structure is used to limit the inserter passing through the channel.

10. The assembly device according to claim 9, characterized in that The limiting structure includes an n-shaped limiting fork; The third base is provided with a limiting groove, the limiting fork is slidably arranged in the limiting groove, and the limiting fork can limit or release the limit of the inserter by sliding in the limiting groove.

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