Non-absorbable suture locking anchor

Abstract

The application provides a non-absorbable belt line locking anchor, and belongs to the technical field of locking anchors. The non-absorbable belt line locking anchor comprises a connecting pipe, a locking anchor body, a limiting groove, a square hole, and two side tracks. The locking anchor body is arranged on the inner surface of the connecting pipe. The side end of the connecting pipe is provided with the limiting groove. The outer surface of the locking anchor body is in sliding connection with the inner surface of the limiting groove. The square hole is arranged on the side end of the locking anchor body. A circular hole is arranged on the side inner wall of the square hole. The two side tracks are arranged on the circumferential surface of the locking anchor body. The mechanical strength of the locking anchor is improved, the stability after implantation is improved, the precise matching of the anchor and the combined use of the implant can better guarantee the cooperation of the bone and the soft tissue to meet the daily needs, the phenomenon of pain of the bone of the patient after long-time use is avoided, and secondary damage to the diseased bone joint of the patient is reduced.

Description

Technical Field

[0001] This invention belongs to the field of locking anchor technology, specifically relating to a non-absorbable locking anchor with a wire. Background Technology

[0002] Locking screw: The thread of the locking screw head locks with the reverse thread of the locking pressure plate. Since the advent of locking screws, other types of screws have been called ordinary screws. Locking screw: The thread of the locking screw head locks with the reverse thread of the locking pressure plate.

[0003] Publication number "CN115317051A" describes an anchor and anchor system for repairing soft tissue. The anchor includes an anchor body, a suture, and a flexible portion. One end of the suture is connected to the flexible portion, while the other end is free outside the anchor body. The flexible portion is fixed to the distal end of the anchor body under tension by the suture and has a permeable structure. The anchor can be used as a suture-attached anchor: after the anchor is placed in the target object, the free end of the suture passes through the soft tissue and is knotted, fixing the soft tissue to the surface of the target object. The suture free outside the target object after knotting is the soft tissue suture. Alternatively, the anchor can be used as a knotless anchor: the soft tissue suture passes through the permeable structure, placing the anchor in the target object and fixing the soft tissue suture within it. The flexible portion replaces existing terminals. Due to its inherent characteristics, after the anchor is implanted into the bone, the flexible portion is further compressed within the bone marrow tract, occupying almost no space and avoiding increasing the depth of the bone marrow tract.

[0004] The aforementioned patent uses a flexible part instead of the existing terminal. Due to the inherent characteristics of the flexible part, after the anchor is implanted into the bone, the flexible part is further compressed into the medullary tract, taking up almost no space and avoiding increasing the depth of the medullary tract. However, when the aforementioned patent is used in conjunction with other implants, it needs to be re-implanted in other areas with sufficient bone volume, which increases the operation time and damages the patient's bone volume. At the same time, the mechanical fixation strength and stability of the implanted locking anchor are low, which may cause pain in the patient's bones and dislodgement from the bone after long-term use, causing secondary damage to the patient's affected bone joints. Summary of the Invention

[0005] The purpose of this invention is to provide a non-absorbable suture-based locking anchor, which aims to solve the problems in the prior art where, when used in combination with other implants, it is necessary to re-implant in areas with sufficient bone volume, which increases the operation time and damages the patient's bone volume. At the same time, the mechanical fixation strength and stability of the implanted locking anchor are low, which may cause pain and dislodgement from the bone after long-term use, causing secondary damage to the patient's affected bone joints.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A non-absorbable wire-locking anchor, comprising: Connecting pipe; A locking anchor body is disposed on the inner surface of a connecting pipe, and a limiting groove is formed on one side end of the connecting pipe. The outer surface of the locking anchor body and the inner surface of the limiting groove are slidably connected. A square hole is formed on one side of the locking anchor body, and a round hole is formed on the inner wall of one side of the square hole; Two side rails, each formed on the circumferential surface of the locking anchor body, and each side rail having two through holes on its inner wall; and Two sets of clamping mechanisms are provided, both of which are located inside the connecting pipe and connected to the locking anchor body to fix the locking anchor body.

[0007] As a preferred embodiment of the present invention, each set of clamping mechanisms includes: A sliding groove is formed inside the connecting pipe. A sliding plate is slidably connected to the inner surface of the sliding groove. A connecting rod is fixedly connected to one side of the sliding plate. One side of the connecting rod movably passes through the circumferential surface of the connecting pipe. A handle is fixedly connected to one side of the connecting rod. The second sliding rod is fixedly connected to one side of the sliding plate. One side of the second sliding rod movably passes through the inner circumferential wall of the connecting tube. A clamping plate is fixedly connected to one side of the second sliding rod. A limiting component is disposed in the sliding groove and connected to the sliding plate to limit the sliding of the sliding plate.

[0008] As a preferred embodiment of the present invention, each group of limiting components includes: Multiple first springs are fixedly connected to one side of the inner wall of the sliding groove, and one side of each of the multiple first springs is fixedly connected to one side of the sliding plate. Multiple partitions, each of which is fixedly connected to one side of the sliding plate.

[0009] As a preferred embodiment of the present invention, it further includes two sets of fixing mechanisms, each set of fixing mechanisms comprising: An extrusion groove is formed on the inner circumference of the limiting groove, and a first sliding rod is slidably connected to the inner circumference of the extrusion groove. A fixing plate is fixedly connected to one side of the first sliding rod, and the outer surface of the fixing plate is slidably connected to the outer surface of the locking anchor body; An elastic component is disposed within the compression groove and connected to the first sliding rod to limit the sliding of the first sliding rod.

[0010] As a preferred embodiment of the present invention, each group of elastic components includes: The second spring is disposed on the inner surface of the extrusion groove; An extrusion plate is slidably connected to the inner circumferential wall of the extrusion groove, and one end of the extrusion plate is fixedly connected to one end of the first sliding rod.

[0011] As a preferred embodiment of the present invention, the inner surface of the square hole is square, the inner surface of the round hole is circular, and the inner surface of the side track is straight groove.

[0012] As a preferred embodiment of the present invention, the circumferential diameter of the two through holes is 1.5 mm, the circumferential diameter of the circular hole is 2.2 mm, and the interval between the two through holes is 1 mm.

[0013] As a preferred embodiment of the present invention, the entire locking anchor body is made of titanium alloy material, and the locking anchor body is formed in one piece by machining.

[0014] As a preferred embodiment of the present invention, one end of the locking anchor body is rounded, and the outer surface of the locking anchor body is threaded.

[0015] As a preferred embodiment of the present invention, one end of the locking anchor body is subjected to a fastening direction treatment, and one side end of the locking anchor body is trapezoidal in shape.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. The locking anchor body is accommodated and limited by the limiting groove, allowing it to slide within the groove. A square hole at the top of the anchor body facilitates its use with specific tools for installation and fixation. A round hole protects the connecting wires passing through the anchor body. Two through holes provide a dual-channel for wiring, with each through hole and side rail capable of accommodating at least two wires. The two side rails allow for direct locking of implants, saving surgical time and reducing damage to the patient's bone. This enhances the mechanical strength of the anchor and improves post-implantation stability. The precise fit between the anchor and the implant ensures better bone and soft tissue compatibility for daily needs, preventing bone pain after prolonged use and minimizing secondary damage to affected bone joints.

[0017] 2. The sliding groove facilitates the installation and accommodation of the overall clamping mechanism, allowing the sliding plate to slide within it. The left end of the connecting rod extends through the surface of the connecting pipe, controlling the left and right sliding of the sliding plate. A fixed handle allows for easy operation by the operator's fingers. Multiple first springs extend, pushing the sliding plate to the right, thus limiting its movement. The right end of the fixed second sliding rod extends through the inner wall of the limiting groove, facilitating the installation and connection of the clamping plate. As the sliding plate slides, it drives the second sliding rod and the clamping plate to slide, limiting the position of the internal locking anchor body and ensuring its stability during installation.

[0018] 3. The extrusion groove protects and limits the internal second spring. Under the action of the elastic force of the second spring, the length is extended. Under the action of the force, the extrusion plate is pushed to slide outward. The pushing force is transmitted to the fixing plate through the first sliding rod, which in turn pushes the fixing plate to fix the surface of the locking anchor body, so as to facilitate the control of the stability of the locking anchor body during installation and use. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings: Figure 1 This is a perspective view of the present invention; Figure 2 This is a first perspective sectional view of the present invention; Figure 3 This is a second perspective sectional view of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of section A in the image; Figure 5 This is a third perspective sectional view of the present invention; Figure 6 For the present invention Figure 5 Enlarged view of section B in the image; Figure 7 This is the fourth perspective sectional view of the present invention; Figure 8 For the present invention Figure 7 Enlarged view of section C in the image; Figure 9 This is a partially enlarged view of the locking anchor in this invention.

[0020] In the diagram: 1. Connecting pipe; 2. Locking anchor body; 3. Side rail; 4. Connecting rod; 5. Handle; 6. Square hole; 7. Round hole; 8. Through hole; 9. Sliding groove; 10. Sliding plate; 11. First sliding rod; 12. Fixing plate; 13. First spring; 14. Partition plate; 15. Second sliding rod; 16. Clamping plate; 17. Limiting groove; 18. Extrusion groove; 19. Second spring; 20. Extrusion plate. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0024] Example 1 Please see Figures 1-9 The present invention provides the following technical solutions: A non-absorbable wire-locking anchor, comprising: Connecting pipe 1; The locking anchor body 2 is disposed on the inner surface of the connecting pipe 1. A limiting groove 17 is opened on one side end of the connecting pipe 1. The outer surface of the locking anchor body 2 and the inner surface of the limiting groove 17 are slidably connected. Square hole 6 is provided on one side of the locking anchor body 2, and a round hole 7 is provided on the inner wall of one side of the square hole 6. Two side rails 3 are provided, each on the circumferential surface of the locking anchor body 2, and each side rail 3 has two through holes 8 on one inner wall; and Two sets of clamping mechanisms are provided, both of which are located inside the connecting pipe 1 and connected to the locking anchor body 2 to fix the locking anchor body 2.

[0025] In a specific embodiment of the present invention, the connecting pipe 1 provides limiting protection for the locking anchor body 2, while the limiting groove 17 facilitates the sliding of the locking anchor body 2. Two sets of clamping mechanisms inside the connecting pipe 1 clamp and limit the locking anchor body 2, and the limiting groove 17 accommodates and limits the locking anchor body 2, allowing it to slide within the limiting groove 17. The square hole 6 at the top of the locking anchor body 2 facilitates its use with specific tools for installation and fixation. The round hole 7 further supports the locking anchor body... The connecting wires passing through the body 2 are accommodated and protected. Two through holes 8 provide a double-hole wire routing channel. The diameter of the two through holes 8 and the interior of the two side rails 3 can accommodate at least two No. 2 wires. At the same time, the implants that can be used together on the two side rails 3 can be directly locked, saving surgical time and reducing damage to the patient's bones. This strengthens the mechanical strength of the locking anchor and improves the stability after implantation. The precise fit between the anchor and the implant used together can better ensure the coordination between bone and soft tissue to meet daily needs, avoid pain in the patient's bones after long-term use, and reduce secondary damage to the patient's diseased bone joints.

[0026] Please refer to the details. Figure 4 Each clamping mechanism includes: A sliding groove 9 is formed inside the connecting pipe 1. A sliding plate 10 is slidably connected to the inner surface of the sliding groove 9. A connecting rod 4 is fixedly connected to one side of the sliding plate 10. One side of the connecting rod 4 movably passes through the circumferential surface of the connecting pipe 1. A handle 5 is fixedly connected to one side of the connecting rod 4. The second sliding rod 15 is fixedly connected to one side of the sliding plate 10. One side of the second sliding rod 15 movably passes through the inner circumferential wall of the connecting pipe 1. A clamping plate 16 is fixedly connected to one side of the second sliding rod 15. A limiting component is provided in the sliding groove 9 and connected to the sliding plate 10 to limit the sliding of the sliding plate 10.

[0027] In this embodiment: the sliding groove 9 facilitates the installation and accommodation of the overall clamping mechanism, while allowing the sliding plate 10 to slide inside the sliding groove 9. The left end of the connecting rod 4 moves through the surface of the connecting tube 1, thereby controlling the left and right sliding of the sliding plate 10. The fixed handle 5 facilitates the operation by the operator's fingers. Under the action of the elastic force of the multiple first springs 13, the multiple first springs 13 extend in length and push the sliding plate 10 to slide to the right, thus limiting the sliding of the sliding plate 10. The right end of the fixed second sliding rod 15 moves through the inner wall of the limiting groove 17, facilitating the installation and connection of the clamping plate 16. When the sliding plate 10 slides, it drives the second sliding rod 15 and the clamping plate 16 to slide, thus limiting the locking anchor body 2 inside and ensuring the stability of the locking anchor body 2 during installation.

[0028] Please refer to the details. Figure 4 Each set of limit components includes: Multiple first springs 13 are fixedly connected to one side of the inner wall of the sliding groove 9, and one side of the multiple first springs 13 is fixedly connected to one side of the sliding plate 10. Multiple partitions 14 are fixedly connected to one side of the sliding plate 10.

[0029] In this embodiment:

[0030] Please refer to the details. Figure 6 It also includes two sets of fixing mechanisms, each set of fixing mechanisms including: The extrusion groove 18 is formed on the inner circumference of the limiting groove 17, and the inner circumference of the extrusion groove 18 is slidably connected to the first sliding rod 11. The fixing plate 12 is fixedly connected to one side of the first sliding rod 11, and the outer surface of the fixing plate 12 is slidably connected to the outer surface of the locking anchor body 2. An elastic component is disposed within the compression groove 18 and connected to the first sliding rod 11 to limit the sliding of the first sliding rod 11.

[0031] In this embodiment: the extrusion groove 18 protects and limits the internal second spring 19. Under the action of the elastic force of the second spring 19, the length is extended. Under the action of the force, the extrusion plate 20 is pushed to slide outward. Thus, the pushing force is transmitted to the fixing plate 12 through the first sliding rod 11, thereby pushing the fixing plate 12 to fix the surface of the locking anchor body 2, which facilitates the control of the stability of the locking anchor body 2 during installation and use.

[0032] Please refer to the details. Figure 6Each set of elastic components includes: The second spring 19 is disposed on the inner surface of the extrusion groove 18; The extrusion plate 20 is slidably connected to the inner circumferential wall of the extrusion groove 18, and one side end of the extrusion plate 20 is fixedly connected to one side end of the first sliding rod 11.

[0033] In this embodiment: the length is extended under the action of the elastic force of the second spring 19, and the extrusion plate 20 is pushed to slide outward under the action of the force, thereby transmitting the pushing force to the fixed plate 12 according to the first sliding rod 11, completing the pushing action of the fixed plate 12, and at the same time limiting and fixing the sliding first sliding rod 11.

[0034] Please refer to the details. Figure 3 The inner surface of the connecting pipe 1, the square hole 6 is square, the inner surface of the round hole 7 is round, and the inner surface of the side rail 3 is straight groove.

[0035] In this embodiment: the square hole 6 has a square shape inside, and the round hole 7 has a round shape inside, which facilitates the use of the installation and fixing tool for the locking anchor body 2 to complete the fixing connection of the locking anchor body 2. Furthermore, the two side rails 3 have straight grooves inside, which allows the precise fit between the locking anchor body 2 and the implant used together to better ensure the fit between bone and soft tissue and meet daily needs.

[0036] Please refer to the details. Figure 3 The circumferential diameter of the two through holes 8 is 1.5 mm, the circumferential diameter of the round hole 7 is 2.2 mm, and the distance between the two through holes 8 is 1 mm.

[0037] In this embodiment: the two through holes 8 have a circumferential diameter of 1.5mm, which facilitates the accommodation or sliding of the two No. 2 anchors. The inner wall of the circular hole 7 has a circumferential diameter of 2.2mm, which allows it to be used in conjunction with a specific installation tool to complete the overall installation and fixing of the locking anchor body 2. The distance between the center points of the two through holes 8 is 2.5mm, which allows it to be used in conjunction with the two No. 2 connecting lines for installation and connection.

[0038] Please refer to the details. Figure 9 The entire material of the locking anchor body 2 is made of titanium alloy, and the locking anchor body 2 is formed in one piece by machining.

[0039] In this embodiment, the entire material of the locking anchor body 2 is made of titanium alloy, which ensures the mechanical strength of the locking anchor body 2 during installation and achieves a certain stability after implantation. The locking anchor body 2 is formed in one piece by machining, which avoids the appearance of connection gaps or marks on the surface and inside of the locking anchor body 2, and strengthens the overall fixing strength of the locking anchor body 2.

[0040] Please refer to the details. Figure 9 One end of the locking anchor body 2 is rounded, and the outer surface of the locking anchor body 2 is threaded.

[0041] In this embodiment, the tail of the locking anchor body 2 is rounded to avoid burr residue on the tail surface of the locking anchor body 2. Furthermore, the surface of the locking anchor body 2 is threaded to facilitate connection and cooperation between the locking anchor body 2 and the threaded part of the combined implant.

[0042] Please refer to the details. Figure 9 One end of the anchor body 2 is fastened, and one side of the anchor body 2 is trapezoidal.

[0043] In this embodiment, by tightening the threaded end of the anchor body 2 and increasing the size of the top of the anchor head, a double tightening and anti-reverse rotation effect is achieved, thereby enhancing the installation strength and stability of the anchor body 2.

[0044] The working principle and usage process of this invention are as follows: First, two No. 2 wires are passed through the two through holes 8 and the two side rails 3 respectively, so that the two No. 2 wires are accommodated according to the two through holes 8 and the two side rails 3. Then, both No. 2 wires are passed through the square hole 6 and the round hole 7 to complete the connection and installation of the locking anchor body 2. At the same time, the precise fit between the locking anchor body 2 and the implant used together can better ensure the cooperation between bone and soft tissue. Under the action of the elastic force of multiple first springs 13, the multiple first springs 13 are stretched in length, and then the sliding plate 10 is pushed to slide to the right, thereby pushing the second sliding rod 15 and the clamping plate 16 to slide, completing the limiting function of the internally set locking anchor body 2. Under the action of the elastic force of the second spring 19, the compression plate 20 is pushed to slide outward, thereby pushing the fixing plate 12 to fix the surface of the locking anchor body 2, which facilitates the control of the stability of the locking anchor body 2 during installation and use, and completes the fixing and limiting of the locking anchor body 2 inside the limiting groove 17, which facilitates the next step of installation and fixing work.

[0045] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A non-absorbable wire-locking anchor, characterized in that, include: Connecting pipe (1); The locking anchor body (2) is disposed on the inner surface of the connecting pipe (1), and a limiting groove (17) is opened on one side end of the connecting pipe (1). The outer surface of the locking anchor body (2) and the inner surface of the limiting groove (17) are slidably connected. A square hole (6) is provided on one side of the locking anchor body (2), and a round hole (7) is provided on the inner wall of one side of the square hole (6). Two side rails (3), both side rails (3) are formed on the circumferential surface of the locking anchor body (2), and two through holes (8) are formed on one inner wall of each side rail (3); and Two sets of clamping mechanisms are provided, both of which are located inside the connecting pipe (1) and connected to the locking anchor body (2) to fix the locking anchor body (2); Each set of clamping mechanisms includes: A sliding groove (9) is formed inside the connecting pipe (1). A sliding plate (10) is slidably connected to the inner surface of the sliding groove (9). A connecting rod (4) is fixedly connected to one side of the sliding plate (10). One side of the connecting rod (4) moves through the circumferential surface of the connecting pipe (1). A handle (5) is fixedly connected to one side of the connecting rod (4). The second sliding rod (15) is fixedly connected to one side of the sliding plate (10). One side of the second sliding rod (15) moves through the inner circumference of the connecting pipe (1). A clamping plate (16) is fixedly connected to one side of the second sliding rod (15). A limiting component is provided in the sliding groove (9) and connected to the sliding plate (10) to limit the sliding sliding plate (10); It also includes two sets of fixing mechanisms, each set of fixing mechanisms comprising: The extrusion groove (18) is opened on the inner circumference of the limiting groove (17), and the inner circumference of the extrusion groove (18) is slidably connected to the first sliding rod (11). A fixing plate (12) is fixedly connected to one side of the first sliding rod (11), and the outer surface of the fixing plate (12) is slidably connected to the outer surface of the locking anchor body (2). An elastic component is disposed in the compression groove (18) and connected to the first sliding rod (11) to limit the sliding of the first sliding rod (11).

2. The non-absorbable wire-locking anchor bolt according to claim 1, characterized in that: Each set of the limiting components includes: Multiple first springs (13) are fixedly connected to one side of the inner wall of the sliding groove (9), and one side of the multiple first springs (13) and one side of the sliding plate (10) are fixedly connected. Multiple partitions (14) are fixedly connected to one side of the sliding plate (10).

3. A non-absorbable locking anchor with a wire according to claim 2, characterized in that: Each set of the resilient components includes: The second spring (19) is disposed on the inner surface of the extrusion groove (18); The extrusion plate (20) is slidably connected to the inner circumferential wall of the extrusion groove (18), and one side end of the extrusion plate (20) is fixedly connected to one side end of the first sliding rod (11).

4. A non-absorbable wire-locking anchor as described in claim 3, characterized in that: The inner surface of the square hole (6) is square, the inner surface of the round hole (7) is round, and the inner surface of the side track (3) is straight groove.

5. A non-absorbable wire-locking anchor as described in claim 4, characterized in that: The circumferential diameter of the two through holes (8) is 1.5 mm, the circumferential diameter of the round hole (7) is 2.2 mm, and the interval between the two through holes (8) is 1 mm.

6. A non-absorbable locking anchor with a wire according to claim 5, characterized in that: The locking anchor body (2) is made of titanium alloy and is formed in one step by machining.

7. A non-absorbable wire-locking anchor as described in claim 6, characterized in that: One end of the locking anchor body (2) is rounded, and the outer surface of the locking anchor body (2) is threaded.

8. A non-absorbable wire-locking anchor as described in claim 7, characterized in that: One end of the locking anchor body (2) is fastened, and one side of the locking anchor body (2) is trapezoidal.

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