KR102180896B1 - Suture anchor deployment device - Google Patents

Abstract

The present invention relates to a suture anchor deployment device for preventing excessive application of tension. The suture anchor deployment device includes: a driver shaft having a predetermined length; an anchor detachably attached to one end of the driver shaft and inserted into a pilot hole formed at a surgical site; a handle portion receiving insertion of a part of the driver shaft; a button formed outside the handle portion; and a tension adjustment unit installed at one end of the handle portion so as to be fixed to the end of the handle portion or be released and movable, and having a cleat such that a suture is hooked on one side or both sides. The fixing of the tension adjustment unit is released by the operation of the button, so as to move along the driver shaft, thereby adjusting the tension of the suture hooked by the cleat.

Description

Suture anchor deployment device {Suture anchor deployment device}

The present invention relates to a suture anchor deployment device, and more particularly to a suture anchor deployment device capable of maintaining tension when inserting and fixing soft tissue into a bone.

In general, when damage (rupture) occurs in soft tissues such as tendons, ligaments, or muscles, or when soft tissue is broken, a surgical method is used in which the soft tissue of the damaged part is attached to and fixed to the bone.

For example, if a rotator cuff is diagnosed as a rupture of the rotator cuff according to the increase of the sports or leisure population and undergoes surgery, the damaged part is removed and a normal rotator cuff is fixed to the bone for treatment.

At this time, in order to fix soft tissue such as rotator cuff to the bone, a hole is drilled in the bone to drive the anchor, 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.

Various types of suture anchors have been developed to fix sutures in place without the need to tie knots used in such an operation. Patent Document 1 (Korean Patent Laid-Open Patent No. 10-2018-0088852) Deployment device" proposes a structure that fixes the suture without the need to tie a knot and maintains the suture's tension during anchor installation.

However, the suture anchor deployment device of Patent Document 1 has a structure in which the user (surgeon) must directly rotate the deployment device to adjust the degree of tension, and it is a problem that the operation is inconvenient by improving the degree of difficulty in surgery that requires a sophisticated operation. have.

In addition, the suture anchor deployment device of Patent Document 1 has a problem in that excessive tension than necessary may be applied to the suture after inserting the anchor into the bone because the anchor is inserted into the bone while the suture tension is maintained.

Korean Patent Publication No. 10-2018-0088852 U.S. Patent No. 8,409,252

The present invention was conceived to solve the above problems, and the problem to be solved in the present invention is to release the tension in a simple manner without directly rotating the deployment device before inserting the anchor, and naturally apply tension to the rotation of the deployment device after the anchor is inserted. It is to provide a suture anchor deployment device that prevents excessive tension from being applied by maintaining.

Suture anchor deployment device according to the present invention for achieving the above object is a driver shaft having a predetermined length; An anchor detachably attached to one end of the driver shaft and inserted into a pilot hole formed at the surgical site; A handle through which a portion of the driver shaft is inserted; A button formed on the outside of the handle; And a tension control unit installed at one end of the handle part, which is fixed to one end of the handle part or is installed to be movable by releasing the fixation, and having a cleat formed so as to take a suture on one or both sides thereof, wherein the tension control part There is a technical feature in that the fixation is released according to the operation of the button and moves along the driver shaft to adjust the tension of the suture caught on the cleat.

In addition, the suture anchor deployment device according to the present invention may be configured to limit the moving distance of the tension control unit within the handle.

In addition, the suture anchor deployment device according to the present invention may be configured such that an elastic spring is built into the handle, and the elastic spring presses the tension control unit.

In addition, the suture anchor deployment device according to the present invention has a predetermined length so that the anchor is first inserted into the bone, and the insertion unit guides the anchor to be easily inserted into the pilot hole of the bone; A pushing part which is formed to protrude in a lengthwise direction so as to have equal intervals in the outer direction of the anchor so as to be connected to the insertion part to maintain the tension of the suture inserted into the pilot hole by pressing without continuous pulling of the driver shaft; It may be configured to include a; spiral portion formed in the longitudinal direction on the outer surface of the anchor to be connected to the pushing portion so that the suture inserted into the pilot hole can be fixed to the bone.

In addition, the suture anchor deployment device according to the present invention is formed to protrude to both sides of the end of the insertion portion to maintain an expansion force in the radial direction against the pressure around the wall of the bone; may be configured to further include.

In addition, in the suture anchor deployment device according to the present invention, the expansion support portion may be formed to protrude to both sides of the end of the insertion portion, and protrude in a diagonal direction from the end of the insertion portion to be spaced apart from the insertion portion by a predetermined distance.

The suture anchor deployment device according to the present invention can prevent excessive tension from being applied by releasing the tension in a simple manner without directly rotating the deployment device before inserting the anchor, and naturally maintaining the tension in the rotation of the deployment device after insertion of the anchor. .

1 is a plan view of a suture anchor deployment device according to an embodiment of the present invention
Figure 2 is an operation state diagram of the suture anchor deployment device according to an embodiment of the present invention
3 and 4 are partially enlarged views of the suture anchor deployment device according to an embodiment of the present invention
Figure 5 is an embodiment of a suture anchor deployment device according to an embodiment of the present invention
6 and 7 are configuration diagrams of an anchor according to an embodiment of the present invention

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to a specific embodiment, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

In addition, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

The terms or words used in the present specification and claims are not limited to their usual or dictionary meanings and should not be interpreted, and the inventor may appropriately define the concept of terms in order to describe his own invention in the best way. Based on the principle that there is, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention. In addition, unless there are other definitions in the technical terms and scientific terms used, they have the meanings commonly understood by those of ordinary skill in the art to which this invention belongs, and the gist of the present invention in the following description and accompanying drawings Description of known functions and configurations that may be unnecessarily obscure will be omitted. The drawings introduced below are provided as examples in order to sufficiently convey the spirit of the present invention to those skilled in the art. Accordingly, the present invention is not limited to the drawings presented below and may be embodied in other forms. In addition, the same reference numbers throughout the specification indicate the same elements. It should be noted that the same elements in the drawings are indicated by the same reference numerals wherever possible.

Hereinafter, a suture anchor deployment device according to the present invention will be described in detail through the drawings.

1 is a plan view of a suture anchor deployment device according to an embodiment of the present invention, Figure 2 is an operation state diagram of the suture anchor deployment device according to an embodiment of the present invention, Figures 3 and 4 are an embodiment of the present invention A partial enlarged view of the suture anchor deployment device according to, Figure 5 is an embodiment of the suture anchor deployment device according to an embodiment of the present invention.

1 to 5, the suture anchor deployment device according to the present invention includes a driver shaft 100 having a predetermined length; An anchor 200 detachably attached to one end of the driver shaft 100 and inserted into a pilot hole H formed at the surgical site; A handle part 300 into which a part of the driver shaft 100 is inserted; A button 350 formed on the outside of the handle part 300; And the handle unit 300 is installed at one end, the handle unit 300 is fixed to one end or fixed to be released so as to be movable, and a tension control unit 400 in which a cleat 410 is formed so as to take sutures on one or both sides. ); can be configured including. At this time, the tension control unit 400 is configured to move along the driver shaft 100 by releasing the fixing according to the operation of the button 350. And, if necessary, an elastic spring (not shown) is built into the handle 300, and the elastic spring may be configured to press the tension control unit 400.

The driver shaft 100 has a predetermined length and is a component that is partially inserted into the handle portion 300, and an anchor 200 may be detachably attached to one end of the driver shaft 100. In addition, a suture inlet channel 110 may be formed along the inner length direction of the driver shaft 100. The suture C may be introduced into the driver shaft 100 through the suture inlet channel 110 and guided in the direction of the tension control unit 400.

The anchor 200 is a component inserted into the pilot hole H formed in the surgical site, and may be configured such that the suture C is connected to the anchor 200, coupled or penetrated. For example, as shown in FIG. 2, the anchor 200 is perforated along the length direction, and a suture hole 205 is formed at one end, so that the suture thread C can be introduced through the suture hole 205. . The suture C introduced in this way may be guided to the suture inlet channel 110 formed inside the driver shaft 100.

The handle part 300 is configured to be gripped by a user (surgeon) during an operation, and a button 350 is formed outside the handle part 300, and a driver shaft 100 inside the handle part 300 Can be configured to be embedded.

The tension control unit 400 is a component installed at one end of the handle unit 300 and may be fixed to one end of the handle unit 300 or installed to be movable after being released from the fixing unit. Fixing and releasing the fixation of the tension control unit 400 is performed by the button 350, and when the user presses the button 350, the fixation of the tension control unit 400 may be released.

In addition, the tension control unit 400 may be configured such that the center is perforated and the driver shaft 100 passes through the perforated portion, so that the tension control unit 400 moves along the driver shaft 100. With this configuration, the tension control unit 400 is released from the fixing according to the operation of the button 350 and moves along the driver shaft 100.

Cleats 410 are formed on one or both sides of the tension control unit 400, and at least one suture engaging groove 411 is formed in the cleat 410 to be configured to catch the suture (C).

The suture anchor deployment device according to the present invention allows the suture (C) to start from the anchor 200 and be caught on the cleat 410 by the above configuration, and to generate a predetermined tension between the anchor 200 and the cleat 410 do.

At this time, if the tension between the anchor 200 and the cleat 410 is not adjusted at all and the surgery proceeds, the anchor 200 is inserted into the pilot hole H formed in the bone of the surgical site while the tension is maintained. After (200) is inserted, excessive tension may be applied to the suture.

However, in the present happier anchor deployment device according to the present invention, the tension control unit 400 is released from the fixing according to the operation of the button 350 and moves along the driver shaft 100 in the direction of the anchor 200 so that the anchor 200 and the The tension between the cleats 410 can be adjusted.

For example, when the user presses the button 350, the tension control unit 400 is released, and the tension between the anchor 200 and the cleat 410 is moved in the direction of the anchor 200 along the driver shaft 100. Can be solved. When the handle part 300 is rotated while the tension of the suture (C) is released, the anchor 200 is gradually inserted into the pilot hole H formed in the bone of the surgery site, and accordingly, the anchor 200 and the cleat 410 ) The tension of the suture (C) between them is gradually strengthened so that smooth surgery can be performed.

In addition, in the suture anchor deployment apparatus according to an embodiment of the present invention, a step 105 may be formed at the other end of the driver shaft 100, that is, on the handle 300 side with respect to the driver shaft 100. The step 105 thus formed serves to limit the moving distance of the tension adjusting unit 400.

2 is a diagram illustrating an operation state of the suture anchor deployment device according to an embodiment of the present invention. In FIG. 2 (a), a state before pressing the button 350 is shown, and in FIG. 2 (b), the button ( 350), the state is shown.

In the suture anchor deployment apparatus according to the present invention, as can be seen in FIG. 2, the tension control unit 400 moves in the direction of the anchor 200 along the driver shaft 100 according to the operation of the button 350. For reference, at this time, the driver shaft 100 does not move at all.

According to such an operation, the cleat 410 formed integrally with the tension control unit 400 moves together, and the suture (C) coupled to the cleat 410 also moves together, so between the anchor 200 and the cleat 410 The distance of is closer, and thus, the tension of the suture C between the anchor 200 and the cleat 410 can be released.

6 and 7 are configuration diagrams of an anchor according to an embodiment of the present invention.

First, referring to FIG. 6, the anchor 200 according to an embodiment of the present invention has a predetermined length so as to be connected to the tip first inserted into the bone B, but easily anchors 200 to the pilot hole H of the bone. Insertion part 210 for guiding so that it can be inserted; A number of protrusions are formed in the longitudinal direction so as to have equal intervals in the outer direction of the anchor 200 to be connected to the insertion part 210, so that the tension of the suture (C) inserted into the pilot hole (H) without continuous pulling of the driver shaft 100 A pushing unit 220 held by pressing; Including; a helical part 230 formed in the longitudinal direction on the outer surface of the anchor 200 to be connected to the pushing part 220 so that the suture (C) inserted into the pilot hole (H) can be fixed to the bone (B); Can be configured.

The anchor 200 is made of a tubular shape having a predetermined length as a whole so that the suture C can be penetrated through the front end (a portion first inserted into the bone) to the rear end (a portion coupled with the driver shaft), and the outer surface thereof An insertion part 210, a pushing part 220, and a spiral part 230 for performing different functions are formed.

The insertion part 210 is coupled to the drive shaft 100 but is configured to guide the anchor 200 to be easily inserted into the pilot hole H formed in the bone B, and the insertion part 210 is an anchor It is formed to have a predetermined distance in the direction of the rear end (B) starting from the front end (A) portion of (200).

A communication hole 211 may be further formed on the outer surface of the insertion part 210 to communicate with the hollow part inside the anchor 200 made of a tubular shape, and a suture (C) may be inserted into the communication hole 211 as necessary. Have a structure that can be used.

The outer diameter of the insertion part 210 is formed to have a diameter smaller than the diameter of the pilot hole H formed in the bone B, so that the insertion part 210 can be easily inserted into the pilot hole H. Guide.

Pushing unit 220 is the pilot hole (H) before the anchor 200 of the present invention is inserted in the pilot hole (H) in the inner direction to completely fix the anchor 200 to the bone (B), the tension of the suture (C) It is a configuration to be able to hold by pressing.

The end of the spiral portion 230 may have a plurality of flat surfaces 231 formed to maximize the contact area with the suture (C), and the flat surface 231 is at least a protrusion so as not to damage the suture (C). It may be formed to have the same width as the end of 121.

In the present invention, the pushing part 220 is formed to have a predetermined distance in the longitudinal direction to the outer surface of the anchor 200 so as to be connected to the end of the insertion part 210, and a protrusion having a larger diameter than the outer diameter of the insertion part 210 ( 221 has a structure capable of pressing the suture (C) by the end of the protrusion 221 is formed to protrude in a number of outwardly to have equal intervals.

That is, the suture (C) fixed to the soft tissue (ST) but passing through the inside of the anchor (200) is inserted into the pilot hole (H) formed in the bone (B) through the guidance of the insertion portion (210). In this state, the user applies an external force to the driver shaft 100 connected to the anchor 200 in the pilot hole (H) inner direction, and the pushing unit 220 is inserted into the pilot hole (H) by this external force. At the same time, the end of the plurality of protrusions 221 constituting the pushing part 220 presses the suture (C) together with the inner wall of the pilot hole (H), so that the suture (C) is not fixed to the driver shaft (100). Make sure that the tension of (C) can be maintained.

The spiral portion 230 is a configuration for allowing the anchor 200 to be firmly fixed to the bone B while the tension of the suture C is maintained by the pushing portion 220. The spiral portion 230 is formed to have a distance extending to the rear end (B) of the anchor 200 in the longitudinal direction on the outer surface of the anchor 200 to be connected to the point where the pushing portion 220 ends, and is made in a screw shape as a whole I can.

The outer diameter of the spiral portion 230 is formed larger than the outer diameter of the protrusion portion 221, but is formed equal to the diameter of the pilot hole (H), so that the driver shaft 100 connected to the anchor 200 is rotated by the user to rotate the anchor 200 ) Can be screwed with the inner surface of the pilot hole (H) to fix the anchor 200 to the bone (B).

Since the suture anchor deployment device according to the present invention releases the tension of the suture (C) in a simple manner without directly rotating the deployment device before insertion of the anchor 200, the tension of the suture (C) immediately after insertion of the anchor 200 is somewhat It can be insufficient.

However, if the anchor 200 of the above configuration is applied, the suture (C) immediately after the anchor 200 is inserted by pressing the pushing part 220 guided to the insertion part 210 and inserted into the pilot hole (H). By increasing the tension, it is possible to solve the problem that the tension of the suture (C) may be somewhat insufficient immediately after the anchor 200 is inserted.

And, referring to Figure 7, the anchor 200 according to an embodiment of the present invention is formed protruding to both sides of the distal end of the insertion part 210 to maintain a radial expansion force against the pressure around the wall of the bone (B) The support part 215; may be configured to further include.

For example, the expansion support 215 may be formed to protrude to both sides of the end of the insertion part 210, and protrude from the end of the insertion part 210 in a diagonal direction to be spaced apart from the end of the insertion part 210 by a predetermined distance. .

The suture anchor deployment device according to the present invention further improves the fixing force of the anchor 200 by maintaining the radial expansion force against the pressure around the wall of the bone B by the structure of the anchor 200 as described above.

Detailed description of the preferred embodiments of the present invention disclosed as described above has been provided to enable those skilled in the art to implement and implement the present invention. Although described above with reference to preferred embodiments of the present invention, those skilled in the art may variously modify and change the present invention without departing from the scope of the present invention. In addition, matters described in the present invention should not be construed as restrictive in all respects, but should be considered as exemplary. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

100: driver shaft 110: suture inlet channel
200: anchor 205: suture hole
210: insertion hole 211: communication hole
215: expansion support 220: pushing part
221: protrusion 230: spiral
231: flat surface 300: handle
350: button 400: tension control unit
410: cleat 411: suture locking groove

Claims (6)

A driver shaft having a predetermined length;
An anchor detachably attached to one end of the driver shaft and inserted into a pilot hole formed at the surgical site;
A handle through which a portion of the driver shaft is inserted;
A button formed on the outside of the handle; And
Doedoe installed at one end of the handle, the tension control unit is fixed to one end of the handle or is fixed to be released so as to be movable, and the cleat is formed so as to take sutures on one or both sides; including,
The tension control unit
The fixing is released according to the operation of the button and moves along the driver shaft to adjust the tension of the suture caught on the cleat,
An elastic spring is built into the handle,
Suture anchor deployment device, characterized in that the elastic spring is configured to press the tension control unit.
The method of claim 1,
Suture anchor deployment device, characterized in that limiting the moving distance of the tension control unit inside the handle.
delete The method of claim 1,
The anchor is
An insertion unit having a predetermined length so as to be connected to the tip first inserted into the bone, but guiding the anchor to be easily inserted into the pilot hole of the bone;
A pushing part which is formed to protrude in a lengthwise direction so as to have equal intervals in the outer direction of the anchor so as to be connected to the insertion part to maintain the tension of the suture inserted into the pilot hole by pressing without continuous pulling of the driver shaft;
And a helical part formed in a longitudinal direction on the outer surface of the anchor to be connected to the pushing part and configured to fix the suture inserted in the pilot hole to the bone.
The method of claim 4,
Suture anchor deployment device, characterized in that it further comprises a; expansion support portion protruding to both sides of the insertion portion end to maintain a radial expansion force against the pressure around the wall portion of the bone.
The method of claim 5,
The extension support
Doedoe protruding to both sides of the end of the insertion portion, the suture anchor deployment device, characterized in that the protruding from the end of the insertion portion in a diagonal direction to be spaced apart from the insertion end by a predetermined distance.

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