KR102105921B1 - Anchor for easily holding tension of suture - Google Patents

Abstract

The present invention is to fix the damaged soft tissue to the bone while maintaining the suture tension through the anchor without maintaining the tension of the suture by the surgical tool when the anchor inserted through the suture is fixed to the bone to fix and fix the damaged soft tissue to the bone. It relates to an anchor that is easy to maintain the tension of the suture, and more specifically, it is detachably combined with the driver shaft, but inserted into the perforated bone together with the suture so that the damaged soft tissue can be fixed to the bone by the suture. In the anchor used for, the anchor has a predetermined length to be connected to the tip that is first inserted into the bone, but an insertion portion for guiding the anchor portion to be easily inserted into the perforated portion of the bone, and the anchor to be connected to the insertion portion A plurality of protrusions are formed in the longitudinal direction so as to have an equal spacing in the outer direction, and the anchoring surface is connected to the pushing portion and the pushing portion to maintain the tension of the suture inserted into the perforated portion by pressing without the continuous pulling of the driver shaft. It is characterized in that it comprises a helix formed in the longitudinal direction so that the suture inserted into the perforation can be fixed to the bone.

Description

Anchor for easily holding tension of suture

The present invention is to fix the damaged soft tissue to the bone while fixing the suture tension through the anchor without maintaining the tension of the suture by the surgical tool when inserting and fixing the anchor through which the suture is inserted into the bone. It relates to an anchor that can easily maintain the tension of the suture.

In general, when damage (rupture) occurs to soft tissues such as tendons, ligaments, or muscles, or when soft tissues are broken, surgical methods are used to treat soft tissues in the damaged areas by attaching and fixing them to bones.

For example, if the surgery is diagnosed as a rotator cuff rupture due to an increase in sports or leisure population, the damaged rotator cuff is fixed to the bone and then treated.

At this time, to fix the soft tissue, such as a rotator cuff, to the bone, a hole is drilled in the bone, the anchor is sutured, and the outer suture connected to the anchor is tied to the soft tissue so that the soft tissue can be attached and fixed to the bone.

As the prior art of such anchors, suture anchors having the above functions are disclosed in Korean Patent Publication No. 10-2013-0067196, Korean Patent Registration No. 10-1155651, Korean Patent Publication No. 10-2006-0090775, Korean Patent Publication 10-2010-0121531 and the like.

However, in the related art, the anchor should be wound around the outer surface of the driver's shaft as a surgical tool to maintain the tension before fixing the suture connected to the soft tissue to the bone by inserting the anchor together with the suture into the perforated hole formed in the bone. There is a hassle, and there is a problem in that the suture tension is executed thousands of times depending on the degree of mastery of the operator, so that the smooth procedure is not achieved.

The present invention is a technique proposed to solve the above-mentioned conventional problems, and maintains the tension uniformly regardless of the skill of the operator without relying on the surgical tool to maintain the tension of the suture inserted into the bone with the anchor. The purpose of this is to allow anchors to be fixedly inserted into the bone.

In order to solve the above-mentioned technical problem, the anchor that is easy to maintain the tension of the suture according to the present invention is detachably coupled with the driver shaft, but is inserted into the perforated bone together with the suture and the damaged soft tissue is fixed to the bone by the suture. In the anchor used in the procedure to enable, the anchor has a predetermined length to be connected to the tip that is first inserted into the bone, but the insertion portion for guiding the anchor portion to be easily inserted into the perforated portion of the bone, and the insertion portion The plurality of protrusions are formed in the longitudinal direction so as to have an equal interval in the outer direction of the anchor, and the pushing portion and the pushing portion that maintain the tension of the suture inserted into the perforation portion by pressing, without continuous pulling of the driver shaft, to be connected to the pushing portion It is characterized in that it comprises a spiral portion formed in the longitudinal direction on the outer surface of the anchor so that the suture inserted into the perforation portion can be fixed to the bone.

In addition, the pushing portion is larger than the outer diameter of the pushing portion, but smaller than the outer diameter of the spiral portion, the protruding portion protruding outward of the anchor in the longitudinal direction of the anchor is protruded a plurality of times, and the end of the protruding portion is located between the inner surface of the perforated portion It is preferable to pressurize so that the tension can be maintained.

In addition, the spiral portion is rotated by the driver shaft is inserted into the perforated portion, but the pushing portion pushes the suture fixed to the soft tissue when the spiral portion is inserted into the perforated portion in the inner direction of the perforated portion and the corresponding soft tissue It is desirable to be able to be fixed in close contact with the bone.

According to the present invention, in order to maintain the tension of the suture inserted with the anchor inside the perforation using a driver shaft or the like during the procedure differently from the prior art, the suture is not fixed to the driver shaft individually, and guided to the insertion portion It has the effect that the tension of the suture can be easily maintained by pressing the pushing portion inserted into the perforated portion.

1 is a view showing an anchor that is easy to maintain the tension of the suture according to the present invention.
FIG. 2 is a front view of FIG. 1;
Figure 3 is a view showing the coupling relationship between the anchor and the drive shaft is easy to maintain the tension of the suture according to the present invention.
Figure 4 is a view showing a state in which the anchor is easy to maintain the tension of the suture according to the present invention is inserted into the bone with the suture.
5 to 7 is an operational relationship diagram of the anchor is easy to maintain the tension of the suture according to the present invention.
8 and 9 is another embodiment of the spiral portion for the anchor is easy to maintain the tension of the suture according to the present invention.

Hereinafter, an anchor (hereinafter, simply referred to as 'anchor'), which is easy to maintain tension of a suture according to an embodiment of the present invention, will be described in detail with reference to the accompanying drawings.

Prior to the description, note that the suture C in the present invention means a suture C fixed at one end of which is damaged soft tissue (S / T) (see FIG. 4).

First, as shown in Figures 1 and 2, the anchor 100 according to the present invention is inserted through the suture (C) through the front end (the part that is first inserted into the bone) to the rear end (the part that engages the driver shaft) It is made of a tubular shape having a predetermined length as a whole, and an inserting portion 110, a pushing portion 120, and a spiral portion 130 for performing different functions are formed on the outer surface thereof.

In more detail, the insertion part 110 is configured to guide the anchor shaft 100 to be easily inserted into the perforated part Ba formed in the bone B by being coupled with the drive shaft 200. Is (see Figure 3).

The insertion portion 110 is formed in the anchor 100 so as to have a predetermined distance in the direction of the rear end B starting from the front end A portion of the anchor 100.

A hole 111 may be further formed in communication with the hollow portion 140 inside the anchor 100 formed in a tube shape on the outer surface of the insertion portion 110, and the hole 111 may have a suture C as necessary. Have a structure that can be inserted.

The outer diameter of the insertion portion 110 is formed with a smaller diameter than the diameter of the perforated portion Ba formed in the bone B, so that the anchor portion 110 can be easily inserted into the perforated portion Ba. 100).

And the pushing part 120 is a perforated part (B) before the anchor 100 of the present invention is inserted into the perforated part (Ba), and the anchor 100 is completely fixed to the bone B before the suture C It is configured to maintain the tension of the pressurized.

The pushing portion 120 in the present invention is formed to have a predetermined distance in the longitudinal direction on the outer surface of the anchor 100 to be connected to the end of the insertion portion 110 described above, the larger diameter than the outer diameter of the insertion portion 110 It has a structure capable of pressing the suture C by the end of the protrusion 121 is formed to protrude in a number of outward direction so that the protrusion 121 has an equal interval.

That is, as shown, the suture C fixed to the soft tissue (S / T) but penetrating through the interior of the anchor 100 of the present invention is formed in the bone B through the guide of the insertion portion 110 (Ba) ) Is inserted inward (see FIG. 5).

In this state, the operator applies an external force to the driver shaft 200 connected to the anchor 100 in the inner direction of the perforation part Ba, and the pushing part 120 is inserted into the perforation part Ba by the external force, Simultaneously, the ends of the plurality of protrusions 121 constituting the pushing portion 120 press the suture C together with the inner wall of the perforated portion Ba, so that the suture C is on the driver shaft 200 side. It is to maintain the tension of the suture (C) without fixing (see Fig. 6).

To this end, the outer diameter of the pushing portion 120, that is, the diameter of the end of the protruding portion 121 is the same as or larger than the diameter of the perforated portion Ba depending on the material of the anchor 100, to maximize the pressing force. In the case of forming largely, the material of the anchor 100 can be elastically restored, but it is possible when using an elastic material such as silicone, which is harmless to the human body. When the material of the anchor 100 is a hard material such as metal, It may be the same as or smaller than the diameter of the perforated portion (Ba).

After all, the diameter of the end portion of the protrusion 121 in the present invention is assumed to be fixed to the anchor 100 by the spiral portion 130, which will be described later, when inserted into the inner surface of the perforated portion Ba regardless of the material. Study (Ba) is possible as long as it can be fixed by pressing the suture (C) placed between the end of the protrusion 121 together with the inner surface.

In addition, the spiral portion 130 is configured to allow the anchor 100 of the present invention to be securely fixed to the bone B while the tension of the suture C is maintained by the pushing portion 120 described above.

The spiral portion 130 is formed to have a distance extending from the end of the pushing portion 120 to the rear end B of the anchor 100 in the longitudinal direction on the outer surface of the anchor 100 so as to continue, and as a whole, a screw shape Is done.

The outer diameter of the spiral portion 130 is formed to be larger than the outer diameter of the protruding portion 121, but is formed to be the same as the diameter of the perforated portion Ba, so that the operator rotates the driver shaft 200 connected to the anchor 100 to the anchor ( 100) is screwed to the inner surface of the perforated portion (Ba) so that the anchor 100 is fixed to the bone B (see FIG. 7).

At this time, the suture C having a state in which tension is maintained inside the perforated portion Ba by the pushing portion 120 is further inserted into the perforated portion Ba as long as the spiral portion 130 is inserted into the soft tissue. Fixing the anchor 100 by pressing the outer surface of the suture C in the perforated portion Ba while simultaneously increasing the tension so that the (S / T) can be pulled. And it is preferable to further maximize the fixing force of the suture (C) (see Fig. 7).

To this end, a plurality of flat surfaces 131 may be formed at the end of the spiral 130 to maximize the contact area with the suture C, and the flat surface 131 is damaged by the suture C Not to be supported, at least to have the same width as the end of the above-described protrusion 121.

On the other hand, the anchor 100 in the present invention is the length of each of the above-described insertion portion 110, the pushing portion 120 and the spiral portion 130, the length from the front end (A) to the rear end (B) of the anchor 100 Based on the assumption that the length of the insertion portion 110 is 1, the pushing portion 120 is preferably formed at a ratio having a length of 1.5 times, and the spiral portion 130 is twice the length.

Furthermore, the anchor 100 in the present invention has a slant-shaped hole 133 formed between a plurality of flat surfaces 131 to maintain a constant distance from each other in the longitudinal direction of the spiral portion 130, and the hole (133) Also, it is formed to have a constant interval in the longitudinal direction of the spiral portion 130 (see Fig. 8).

At this time, the hole 133 is perforated to communicate with each other with the hollow portion 140 inside the spiral portion 130 formed in a tubular shape, and the hole 133 faces each other on the outer surface of the spiral portion 130 It is preferably formed to be symmetrical to enable the inventors of the present invention to maximize the effect of bone tissue penetration (Bone Ingrowth) when inserted into the bone (B) (see Fig. 9).

The anchor 100 according to the present invention made of such a configuration has a length different from that of the prior art, and the suture inserted together with the anchor 100 inside the perforated portion Ba using a driver shaft 200 during the procedure. In order to maintain the tension of C), the suture C is not fixed to the driver shaft 200, but is guided by the insertion portion 110 and pushed by the pushing portion 120 inserted into the perforation portion Ba. By pressing, the tension of the suture C is easily maintained.

As described above, in the present invention, specific matters such as specific components and the like have been described by limited embodiments and drawings, but these are provided only to help the overall understanding of the present invention, and the present invention is not limited to the above embodiments , Anyone having ordinary knowledge in the field to which the present invention pertains can make various modifications and variations from these descriptions.

Accordingly, the spirit of the present invention should not be limited to the described embodiments, and should not be determined, and all claims that are equivalent to or equivalent to the scope of the claims as well as the claims described below belong to the scope of the spirit of the present invention. .

100: anchor is easy to maintain the tension of the suture according to the present invention
110: insert 111: hole
120: pushing part 121: protrusion
130: spiral 131: flat surface
140: hollow
200: driver shaft
Goal: B Perforation: Ba
Soft tissue: S / T

Claims (3)

Removably coupled with the driver shaft 200, but inserted into the perforated bone (B) together with the suture (C), the damaged soft tissue (S / T) can be fixed to the corresponding bone (B) by the suture (C). In the anchor 100 to be used in the procedure so that,
The anchor 100 has a predetermined length to be connected to the tip (A) which is initially inserted into the bone (B), but guides the anchor 100 to be easily inserted into the perforated portion (Ba) of the bone (B). Insertion part 110; And, the plurality of protrusions are formed in the longitudinal direction so as to have an equal interval in the outer direction of the anchor 100 so as to be connected to the insertion part 110, without the continuous pulling of the driver shaft 200, the perforation part ( A pushing part 120 that maintains the tension of the suture C inserted in Ba) by pressing; And a spiral portion 130 formed in the longitudinal direction on the outer surface of the anchor 100 so as to be connected to the pushing portion 120 so that the suture C inserted in the perforation portion Ba is fixed to the bone B. );
The pushing portion 120 is larger than the outer diameter of the pushing portion 120, but smaller than the outer diameter of the spiral portion 130, the protruding portion 121 protruding outward of the anchor 100 in the longitudinal direction of the anchor 100 With a plurality of protrusions, the end of the protrusion 121 is pressed to the suture (C) located between the inner surface of the perforation (Ba) so that the tension can be maintained,
The spiral portion 130 is rotated by the driver shaft 200 to be inserted into the perforated portion Ba, but the pushing portion 120 is inserted into the spiral portion 130 into the perforated portion Ba. At the time, the suture (C) fixed to the soft tissue (S / T) is pushed toward the inner side of the perforation (Ba) so that the soft tissue (S / T) can be closely fixed to the bone (B),
The length of each of the insertion portion 110, the pushing portion 120, and the spiral portion 130 of the insertion portion 110 based on the length from the front end (A) to the rear end (B) of the anchor 100 Assuming a length of 1, the pushing portion 120 is formed at a ratio having a length of 1.5 times, and the spiral portion 130 has a length of 2 times,
The suture C having a state in which tension is maintained inside the perforated portion Ba by the pushing portion 120 is further inserted into the perforated portion Ba as long as the spiral portion 130 is inserted. The soft tissue (S / T) is pulled so that the corresponding tension is further increased, and at the same time, the outer surface of the spiral portion 130 presses the outer surface of the suture (C) within the perforated portion (Ba) to anchor the 100 In order to further maximize the fixing force of the suture (C) and the suture (C), a plurality of flat surfaces 131 may be formed at the end of the spiral portion 130 to maximize the contact area with the suture (C), The flat surface 131 is to have at least the same width as the end of the projection 121 so that the damage of the suture (C) is not applied,
An anchor that is easy to maintain the tension of the suture, characterized in that holes 133 in a diagonal shape are perforated to face each other between the flat surfaces 131 on the outer surface of the spiral part 130.
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