A full suture anchor nail easy to tighten and knot and a fixing device thereof

Abstract

The utility model discloses a full-suture anchor nail which is easy to tighten and knot and a fixing device thereof, comprising an anchor nail, wherein the inner side of the upper part of the anchor nail is threadedly connected with a threaded platform, the lower part of the threaded platform is rotatably connected with a lifting block, the outer side of the lower part of the lifting block is fixedly connected with a receiving plate, a locking ring is sleeved on the outer side of the lifting block, a plurality of grooves are provided on the outer side of the locking ring, a plurality of fixing grooves are provided on the outer side of the anchor nail, a fixing block is slidably connected inside the fixing groove, and a boss matched with the groove is provided inside the fixing block, so that the pull-out resistance of the anchor nail structure can be increased and the anchor nail can be fixed more securely.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a full suture anchor nail which is easy to tighten and knot and a fixing device thereof. Background Art

[0002] Suture anchor is a unique medical product specially used for the connection and fixation of bone and soft tissue. It consists of anchor, suture, puncture needle, outer sleeve and driving rod, which are usually made of biocompatible materials such as polyetheretherketone or absorbable polylactic acid. The implantation steps of anchor usually include: determining the implantation position and implanting the anchor so that it is located 2-3mm from the cortical bone.

[0003] However, most of the existing anchor heads are fixed to the bone tissue by threads. The anchors fixed by threads have low pull-out resistance, which makes the anchors easily detach from the bone tissue and the anchors have poor fixation. Therefore, we need to propose a full-suture anchor with strong fixation. Utility Model Content

[0004] The utility model aims to provide a full suture anchor nail and a fixing device thereof which are easy to tighten and tie, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a full-suture anchor that is easy to tighten and knot and a fixing device thereof, comprising an anchor body, a threaded platform being threadedly connected to the inner side of the upper part of the anchor body, a lifting block being rotatably connected to the lower part of the threaded platform, a receiving plate being fixedly connected to the outer side of the lower part of the lifting block, a locking ring being sleeved on the outer side of the lifting block, a plurality of grooves being provided on the outer side of the locking ring, a plurality of fixing grooves being provided on the outer side of the anchor body, a fixing block being slidably connected to the inside of the fixing groove, and a boss matching the groove being provided inside the fixing block.

[0006] Preferably, a control groove communicating with the fixing groove is formed on the side wall of the anchor body, a connecting rod is fixedly connected to the inner wall of the control groove, ears are fixedly connected to the upper and lower ends of the fixing block, the ears are slidably connected to the outer side of the connecting rod, a spring is fixedly connected to one side of the ear, the spring is sleeved on the outer side of the connecting rod, and the other end of the spring is fixedly connected to the inner wall of the control groove.

[0007] Preferably, an outer threading hole is provided at the lower portion of the anchor body, an inner threading hole matching the outer threading hole is provided at the lower portion of the lifting block, and a lifting groove matching the lifting block is provided at the lower inner side of the anchor body.

[0008] Preferably, four groups of rotating rods are fixedly connected to the upper part of the lifting block, a rotating plate is fixedly connected to the upper part of the rotating rod, a connecting groove is opened at the lower part of the threaded platform, the rotating rod is rotatably connected to the inside of the connecting groove, a rotating groove communicating with the connecting groove is opened at the lower part of the threaded platform, and the rotating plate is rotatably connected to the inside of the rotating groove.

[0009] Preferably, an embedded ring is fixedly connected to the upper portion of the threaded platform.

[0010] Preferably, a limiting ring is fixedly connected to the upper portion of the anchor body, and a convex head is fixedly connected to the lower portion of the anchor body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model cooperates with the embedded ring, the threaded table, the lifting block, the receiving plate, the locking ring, the fixed block, the boss, the groove, and the fixed groove. The external pressure anchor rod drives the threaded table to rotate through the embedded ring, and the threaded table moves downward to cooperate with the receiving plate outside the lifting block to drive the locking ring to move downward. The boss fixed welding of the fixed block is separated from the groove, so that the fixed welding of the fixed block extends out along the fixed groove, which plays a role of cooperation and fixing, can increase the pull-out resistance of the anchor structure, and make the anchor fixation more secure.

[0013] 2. The utility model also cooperates with the use of springs, ears, connecting rods, bosses, grooves, fixed blocks, and fixed grooves. The spring pushes the ears to slide along the connecting rod fixed welding, so that the boss fixed welding is fixed in the groove, and the fixed block fixed welding extends along the fixed groove to prevent the fixed block from affecting the insertion of the anchor nail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0016] Figure 3 This is a cross-sectional view of the lifting block structure of the utility model from the third viewing angle;

[0017] Figure 4 This is a cross-sectional view of the anchor structure of the utility model from the fourth viewing angle;

[0018] Figure 5 This is a cross-sectional view of the threaded table structure from the fifth viewing angle of the utility model;

[0019] Figure 6 This is a cross-sectional view of the fixing block structure from the sixth viewing angle of the utility model.

[0020] In the figure: 1. Anchor body; 2. Limiting ring; 3. Fixing block; 4. External threading hole; 5. Lifting groove; 6. Boss; 7. Fixing groove; 8. Control groove; 9. Connecting rod; 10. Connecting ear; 11. Spring; 12. Lifting block; 13. Adapter plate; 14. Internal threading hole; 15. Rotating rod; 16. Rotating sheet; 17. Locking ring; 18. Groove; 19. Threaded platform; 20. Embedded ring; 21. Connecting groove; 22. Rotating groove; 23. Convex head. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6 The utility model provides a technical solution: a full suture anchor nail and a fixing device thereof which are easy to tighten and knot, comprising an anchor nail body 1, a threaded platform 19 is threadedly installed on the inner side of the upper part of the anchor nail body 1, a lifting block 12 is rotatably installed on the lower part of the threaded platform 19, a receiving plate 13 is fixedly welded on the outer side of the lower part of the lifting block 12, a locking ring 17 is sleeved on the outer side of the lifting block 12, a plurality of grooves 18 are provided on the outer side of the locking ring 17, a plurality of fixing grooves 7 are provided on the outer side of the anchor nail body 1, a fixing block 3 is slidably installed inside the fixing groove 7, a boss 6 matching with the groove 18 is provided inside the fixing block 3, the threaded platform 19 rotates, and the receiving plate 13 on the outer side of the lifting block 12 drives the locking ring 17 to move downward, and the boss 6 of the fixing block 3 is separated from the groove 18 so that the fixing block 3 extends along the fixing groove 7, which plays a role of matching and fixing;

[0023] A control groove 8 communicating with the fixing groove 7 is provided on the side wall of the anchor body 1, a connecting rod 9 is fixedly welded on the inner wall of the control groove 8, and ears 10 are fixedly welded on the upper and lower ends of the fixing block 3, and the ears 10 are slidably connected to the outer side of the connecting rod 9, and a spring 11 is fixedly welded on one side of the ear 10, and the spring 11 is sleeved on the outer side of the connecting rod 9, and the other end of the spring 11 is fixedly welded to the inner wall of the control groove 8, and the spring 11 pushes the ear 10 to slide along the connecting rod 9, so that the boss 6 is fixed in the groove 18; an outer threading hole 4 is provided at the lower part of the anchor body 1, and an inner threading hole 14 matching the outer threading hole 4 is provided at the lower part of the lifting block 12, and the gap penetrates the outer threading hole 4 and the inner threading hole 14, and a lifting groove 5 matching the lifting block 12 is provided on the lower side of the interior of the anchor body 1, and the threaded platform 19 drives the lifting block 12 downward along the lifting groove 5 movement, thereby pressing the suture; four groups of rotating rods 15 are fixedly welded on the upper part of the lifting block 12, and a rotating piece 16 is fixedly welded on the upper part of the rotating rod 15. A connecting groove 21 is provided at the lower part of the threaded platform 19, and the rotating rod 15 is rotatably connected to the inside of the connecting groove 21. A rotating groove 22 communicating with the connecting groove 21 is provided at the lower part of the threaded platform 19, and the rotating piece 16 is rotatably connected to the inside of the rotating groove 22, so that the threaded platform 19 can drive the lifting block 12 to move up and down, and ensure that the lifting block 12 cannot rotate; an embedded ring 20 is fixedly welded on the upper part of the threaded platform 19 for connecting with an external pressure anchor rod to drive the threaded platform 19 to rotate; a limiting ring 2 is fixedly welded on the upper part of the anchor body 1 to prevent the threaded platform 19 from detaching from the anchor body 1, and a convex head 23 is fixedly welded on the lower part of the anchor body 1 to facilitate the insertion of the anchor body 1 into the hole.

[0024] Working principle: When the utility model is in use, the suture is passed through the inner threading hole 14 and the outer threading hole 4, and the external pressure anchor rod drives the threaded platform 19 to rotate through the embedded ring 20, driving the lifting block 12 to move downward along the lifting groove 5, pressing the suture, and the threaded platform 19 cooperates with the receiving plate 13 on the outside of the lifting block 12 to drive the locking ring 17 to move downward, and the boss 6 of the fixing block 3 is disengaged from the groove 18 so that the fixing block 3 extends out along the fixing groove 7, thereby playing a role of cooperation and fixation.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A full suture anchor that is easy to tighten and knot, comprising an anchor body (1), characterized in that: The upper part of the anchor body (1) is fixedly connected to a limit ring (2), the lower part of the anchor body (1) is provided with an external threading hole (4), the outer side of the anchor body (1) is provided with a plurality of fixing grooves (7), and the fixing grooves (7) are slidably connected with fixing blocks (3) inside.

2. A fixing device for a full suture anchor that is easy to tighten and knot, used to fix the anchor according to claim 1, characterized in that: The inner side of the upper part of the anchor body (1) is threadedly connected to a threaded platform (19), the lower part of the threaded platform (19) is rotatably connected to a lifting block (12), the lower outer side of the lifting block (12) is fixedly connected to a receiving plate (13), the outer side of the lifting block (12) is sleeved with a locking ring (17), the outer side of the locking ring (17) is provided with a plurality of grooves (18), and the fixed block (3) is provided with a boss (6) matching the groove (18).

3. The fixing device of the all-suture anchor that is easy to tighten and knot according to claim 2, characterized in that: The side wall of the anchor body (1) is provided with a control groove (8) which is in communication with the fixing groove (7); the inner wall of the control groove (8) is fixedly connected to a connecting rod (9); the upper and lower ends of the fixing block (3) are fixedly connected to connecting ears (10); the connecting ears (10) are slidably connected to the outer side of the connecting rod (9); one side of the connecting ear (10) is fixedly connected to a spring (11); the spring (11) is sleeved on the outer side of the connecting rod (9); the other end of the spring (11) is fixedly connected to the inner wall of the control groove (8).

4. A fixing device for a full suture anchor that is easy to tighten and knot according to claim 3, characterized in that: An inner threading hole (14) matching with the outer threading hole (4) is formed at the lower part of the lifting block (12), and a lifting groove (5) matching with the lifting block (12) is formed at the lower inner side of the anchor body (1).

5. The fixing device of the all-suture anchor that is easy to tighten and knot according to claim 4, characterized in that: Four groups of rotating rods (15) are fixedly connected to the upper part of the lifting block (12); a rotating plate (16) is fixedly connected to the upper part of the rotating rod (15); a connecting groove (21) is provided at the lower part of the threaded platform (19); the rotating rod (15) is rotatably connected to the inside of the connecting groove (21); a rotating groove (22) communicating with the connecting groove (21) is provided at the lower part of the threaded platform (19); and the rotating plate (16) is rotatably connected to the inside of the rotating groove (22).

6. The fixing device of the all-suture anchor that is easy to tighten and knot according to claim 5, characterized in that: An embedding ring (20) is fixedly connected to the upper portion of the threaded platform (19).

7. The fixing device of the all-suture anchor that is easy to tighten and knot according to claim 2, characterized in that: A convex head (23) is fixedly connected to the lower part of the anchor body (1).

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