KR102345077B1 - Suture anchor - Google Patents

Abstract

The present invention relates to a suture anchor. Suture anchor according to an embodiment of the present invention, a cylindrical anchor body is formed along the outer peripheral surface, both ends are open; One end of the both ends facing the direction of insertion into the adhered portion of the anchor body includes a suture engaging portion on which a suture is applied, and a communication hole for communicating the inside and the outside is formed on the side of the anchor body.

Description

Suture anchor {SUTURE ANCHOR}

The present invention relates to a suture anchor, and more particularly, to a suture anchor used to refasten soft tissue to bone.

Ligaments are strong fibrous connective tissues that have elasticity, are mainly located in joints, and connect bones to bones. In addition, the ligaments stabilize or limit the movement of the joint by firmly resisting the movement of the joint.

The types of ligament injuries include sprains, twists, tears, and breaks, and ligament breaks occur mainly in the area where the ligament and bone are joined. Therefore, surgery to re-suture the broken ligament is mostly performed in the form of fixing the ligament to the bone. In general, a suture bound to a ligament is fixed to a bone, which is an adherend, by a suture anchor.

Therefore, it is preferable that the suture anchor is provided so that osteocytes of the inserted bone can easily grow into the suture anchor. In addition, the suture anchors are required to be firmly anchored to the site of adherence to maintain ligament bonding.

An object of the present invention is to provide a suture anchor through which osteocytes of an inserted bone can easily grow inside.

Another object of the present invention is to provide a suture anchor that can be strongly fixed to an adhered site.

The problems to be solved by the present invention are not limited thereto, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

The present invention provides a suture anchor. According to an embodiment, the suture anchor includes: a cylindrical anchor body having a screw thread formed along the outer circumferential surface and having both ends open; One end of the both ends facing the direction of insertion into the adhered portion of the anchor body includes a suture engaging portion on which a suture is applied, and a communication hole for communicating the inside and the outside is formed on the side of the anchor body.

It may further include a protrusion protruding outward from the outer surface of the anchor body.

The protrusion may be provided so that the outer surface of the protrusion is inclined away from the anchor body in a direction opposite to the direction in which the anchor body is inserted into the adherend.

When looking at one end of the anchor body, the protrusion may be provided so that the inner surface overlaps the inner surface of the anchor body.

The protrusion may be provided to become thicker in a direction opposite to the direction in which the anchor body is inserted into the adherend.

The communication hole may be formed to surround a portion of the circumference of the protrusion.

The partial region includes a first region positioned in a direction opposite to the direction in which the anchor body is inserted into the adhered site based on the protrusion among regions surrounding the protrusion, and the anchor body is attached to the adhered region from one end of the first region. a second region extending in a direction to be inserted into; A third region extending from the other end of the second region in a direction in which the anchor body is inserted into the adherend portion may be included.

The suture engaging portion may be provided in a plate shape with both sides facing the radial direction of the one end among the both ends, and opposite sides facing each other may be arranged along the radial direction of the end.

The suture locking part may have one side of the both surfaces, a side facing the direction in which the anchor body is inserted into the adherend, and a suture stopping groove recessed inward along the other side of the both surfaces may be formed.

A plurality of each of the communication hole and the protrusion may be arranged along an outer circumferential direction of the anchor body.

The protrusion may be provided such that the respective ends facing the direction opposite to the direction in which the anchor body is inserted into the adherend are arranged along the threads.

In the suture anchor according to an embodiment of the present invention, osteocytes of the inserted bone can easily grow inside.

In addition, the suture anchor according to the embodiment of the present invention can be strongly fixed to the adhered site.

1 is a perspective view showing a suture anchor according to an embodiment of the present invention.
Figure 2 is a side view of the suture anchor of Figure 1;
Figure 3 is a side cross-sectional view of the suture anchor of Figure 1;
Figure 4 is a plan view of the suture anchor of Figure 1;
FIG. 5 is a plan cross-sectional view of the suture anchor of FIG. 1 .
Figure 6 is a front view of the suture anchor of Figure 1;
7 is a perspective view showing a suture anchor according to another embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described in more detail with reference to the accompanying drawings. Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the following embodiments. This embodiment is provided to more completely explain the present invention to those of ordinary skill in the art. Accordingly, the shapes of elements in the drawings are exaggerated to emphasize a clearer description.

1 is a perspective view showing a suture anchor 10 according to an embodiment of the present invention. FIG. 2 is a side view of the suture anchor 10 of FIG. 1 . 3 is a side cross-sectional view of the suture anchor 10 of FIG. 1 . 4 is a plan view of the suture anchor 10 of FIG. 1 . 5 is a plan cross-sectional view of the suture anchor 10 of FIG. 6 is a front view of the suture anchor 10 of FIG. 1 . 1 to 6 , the suture anchor 10 according to an embodiment of the present invention includes an anchor body 100 , a suture locking part 200 , and a protrusion 300 . The upper and lower portions of the suture anchor 10 were based on FIG. 1 .

The anchor body 100 is provided in a cylindrical shape with both ends open. A screw thread 110 is formed along the outer circumferential surface of the anchor body 100 . The anchor body 100 may be provided with a material having elasticity. For example, the anchor body 100 may be provided with a metal material.

A communication hole 120 is formed in the side surface of the anchor body 100 . The communication hole 120 is provided to communicate the inside and outside of the anchor body 100 . According to an embodiment, the communication hole 120 may be formed to surround a portion of the circumference of the protrusion 300 to be described below.

For example, the partial region includes a first region 121 , a second region 122 , and a third region 123 . The first region 121 is a region located in a direction opposite to the direction in which the anchor body is inserted into the adherend site with respect to the protrusion 300 among the regions surrounding the protrusion 300 . The second region 122 is a region extending from one end of the first region 121 in a direction in which the anchor body 100 is inserted into the adherend. The third region 123 may be a region extending from the other end of the second region 122 in a direction in which the anchor body 100 is inserted into the adherend. A portion of the region in which the communication hole 120 is formed is provided in the shape as described above, so that when the suture anchor 10 is rotated and inserted into the adhered site, the protrusion 300 is formed by the elasticity of the anchor body 100 by the anchor body ( 100), the suture anchor 10 can be more easily inserted into the adherend site.

As described above, by providing the communication hole 120 , the bone cells into which the suture anchor 10 is inserted can easily grow into the suture anchor 10 .

The suture locking part 200 is provided at one end of both ends of the anchor body 100 , which faces the direction of insertion into the adhered portion of the anchor body 100 . The suture 20 is caught in the suture stopping part 200 . For example, the suture 20 passes through the anchor body 100 through one end opposite to the one end provided with the suture locking part 200 of the anchor body 100 at one end, and wraps the suture locking part 200, and then the anchor body ( It is connected to the suture anchor 10 according to a method passing through 100) and going out through one end opposite to the one end provided with the suture hooking part 200 of the anchor body 100 .

According to an embodiment, the suture locking part 200 is provided in the form of a plate with both sides facing the radial direction of one end facing the direction of insertion into the adhered portion of the anchor body 100 among both ends of the anchor body 100 can be In this case, both sides of the suture locking part 200 facing in opposite directions may be provided to be arranged along the radial direction of the one end.

According to an embodiment, in the suture hooking part 200, one side of both surfaces, the side facing the direction in which the anchor body 100 is inserted into the adherend site, and the other side of the both sides are sequentially recessed inward along the suture hooking groove 210 ) can be formed. It is possible to prevent the suture surrounding the suture stopping part 200 from being separated from the suture stopping part 200 by the suture stopping groove 210 .

The protrusion 300 is provided to protrude outward from the outer surface of the anchor body 100 . According to one embodiment, the protrusion 300 is provided with an outer surface inclined so as to be farther away from the anchor body in a direction opposite to the direction in which the anchor body 100 is inserted into the adherend. For example, the protrusion 300 may be provided so that when looking at one end of the anchor body 100 , the inner surface overlaps the inner surface of the anchor body 100 . That is, as shown in FIG. 3 , when looking at the side cross-section of the suture anchor 10 , the inner surface of the protrusion 300 may be provided to form a straight line with the inner surface of the anchor body 100 . The protrusion 300 may be provided to become thicker in a direction opposite to the direction in which the anchor body 100 is inserted into the adherend. Accordingly, it is possible to minimize the possibility that the protrusion 300 is cut in the central region. As described above, by providing the protrusion 300, the protruding protrusion 300 serves as an anchor in a state in which the suture anchor 10 is inserted into the bone, thereby making the suture anchor 10 more strongly attached to the adhered site. can be fixed

A plurality of communication holes 120 and protrusions 300 may be respectively arranged along the outer circumferential direction of the anchor body 100 . The communication hole 120 and the protrusion 300 may be provided in a number corresponding to each other. According to the present embodiment, two of the communication hole 120 and the protrusion 300 are provided at positions opposite to each other, but may be provided in one or more than two numbers as needed. According to an embodiment, the protrusion 300 may be provided such that each end of the anchor body 100 facing the direction opposite to the direction in which the anchor body 100 is inserted into the adherend is arranged along between the threads 110 . When the end is provided to overlap the screw thread, the thickness of the area protruding outward of the screw thread 110 is reduced, so that the area protruding outward of the screw thread 110 may be easily damaged. In this case, the protrusion 300 has an end facing the direction opposite to the direction in which the anchor body 100 is inserted into the adhered site is a thread protruding from the outer surface of the protrusion 300 among the threads 110 with the end interposed therebetween. It may be provided adjacent to 110 . Therefore, it is possible to minimize the interference of the tip when the suture anchor 10 is inserted into the adherend site by minimizing the length of the tip protruding outward.

7 is a perspective view showing the suture anchor 10a according to another embodiment of the present invention. Referring to FIG. 7 , unlike the embodiment of FIGS. 1 to 6 , the suture anchor 10a may not optionally include a protrusion ( 300 in FIGS. 1 to 6 ). In this case, the communication hole 120a may be provided as a slit whose longitudinal direction is parallel to the longitudinal direction of the anchor body 100a. A plurality of communication holes 120a may be provided along the circumferential direction of the anchor body 100a. Other than that, the configuration, structure, and function of the suture anchor 10a are substantially the same as those of the suture anchor 10 of FIG. 1 .

The above detailed description is illustrative of the present invention. In addition, the above description shows and describes preferred embodiments of the present invention, and the present invention can be used in various other combinations, modifications, and environments. That is, changes or modifications are possible within the scope of the concept of the invention disclosed herein, the scope equivalent to the written disclosure, and/or within the scope of skill or knowledge in the art. The written embodiment describes the best state for implementing the technical idea of the present invention, and various changes required in specific application fields and uses of the present invention are possible. Accordingly, the detailed description of the present invention is not intended to limit the present invention to the disclosed embodiments. Also, the appended claims should be construed to include other embodiments.

10: suture anchor 20: suture
100: anchor body 110: thread
120: communication hole 200: suture locking part
210: suture locking groove 300: protrusion

Claims (11)

a cylindrical anchor body having a screw thread formed along the outer circumferential surface and having both ends open;
a suture locking part in which a suture is applied to one end of the both ends facing the direction of being inserted into the adherend portion of the anchor body; and
Comprising a protrusion protruding outward from the outer surface of the anchor body,
A communication hole is formed on the side surface of the anchor body to communicate the inside and outside,
The protrusion is inclined so that the outer surface is away from the anchor body toward the direction opposite to the direction in which the anchor body is inserted into the adherend,
The protrusion becomes thicker in the direction opposite to the direction in which the anchor body is inserted into the adherend,
The communication hole is formed to surround a portion of the circumference of the protrusion,
Some of the areas are
a first region located in a direction opposite to the direction in which the anchor body is inserted into the adherend site based on the protrusion among the regions surrounding the protrusion;
a second region extending from one end of the first region in the longitudinal direction into which the anchor body is inserted into the adherend;
a third region extending in the longitudinal direction from the other end of the second region;
In the longitudinal direction, the length of the second region is longer than the length of the third region, and in the width direction perpendicular to the longitudinal direction, the width of the second region is greater than the width of the third region;
The screw thread is formed along the outer circumferential surface of the anchor body and the outer circumferential surface of the protrusion,
On an imaginary straight line at right angles to the outer circumferential surface of the anchor body, a first distance is formed between the outer circumferential surface of the anchor body and the ridge of the thread formed in the anchor body,
On an imaginary straight line forming a right angle with the outer circumferential surface of the anchor body, a second distance is formed between the outer circumferential surface of the anchor body and the outer circumferential surface of the protrusion,
The longest distance of the second distance is greater than the first distance anchor suture.
delete delete The method of claim 1,
When the protrusion is viewed from one end of the anchor body, the inner surface of the anchor suture anchor is provided so as to overlap the inner surface of the anchor body. The method of claim 1,
The suture anchor in which the protrusion becomes thicker in a direction opposite to the direction in which the anchor body is inserted into the adherend. delete delete The method of claim 1,
The suture locking part is provided in a plate shape with both sides facing the radial direction of the one end among the both ends, and both sides facing the opposite direction are arranged along the radial direction of the end. 9. The method of claim 8,
The suture locking portion has one side of the both surfaces, a side facing the direction in which the anchor body is inserted into the adherend, and a suture locking groove recessed inward along the other side of the both surfaces. The method of claim 1,
A suture anchor in which a plurality of each of the communication hole and the protrusion are arranged along an outer circumferential direction of the anchor body. 11. The method of claim 10,
The protrusion is provided such that each end facing the direction opposite to the direction in which the anchor body is inserted into the adherend is arranged along between the threads.

Images