CN213345786U

CN213345786U - A take line anchor for bone tissue

Info

Publication number: CN213345786U
Application number: CN202021877085.9U
Authority: CN
Inventors: 马康玲
Original assignee: Shanghai Kinetic Medical Co Ltd
Current assignee: Shanghai Kinetic Medical Co Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-06-04
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a take line anchor for bone tissue, include: the connecting block is provided with a threading hole and an injection hole which penetrates through the connecting block; the bag is arranged on the connecting block, the opening of the bag is communicated with the injection hole, and the injection hole is used for injecting bone filler into the bag; and the suture is arranged in the threading hole. The utility model discloses a can prevent to use the broken nail phenomenon that the band wire ground nail leads to, the band wire anchor that is used for the bone tissue that prevents that the bag from deviating from the bone tissue.

Description

A take line anchor for bone tissue

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a take line anchor for bone tissue.

Background

When the tendon and the bone are reconnected, a suture anchor is needed, when the tendon and the bone are used, the anchor is fixed in the bone tissue, a suture on the anchor penetrates through the tendon, and the tendon and the bone are knotted and fixed, so that the tendon and the bone can be fixed on the bone tissue. In the use process, the problem that the anchor is broken and the anti-extraction force is weak exists in the anchor, so that certain risks exist in the use of the anchor with the wire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take line anchor for bone tissue, this take line anchor structural design does not have the risk of disconnected nail, also prevents simultaneously that the bag from deviating from bone tissue.

To achieve the purpose, the utility model adopts the following technical proposal:

a threaded anchoring device for bone tissue, comprising:

the connecting block is provided with a threading hole and an injection hole which penetrates through the connecting block;

the bag is arranged on the connecting block, the opening of the bag is communicated with the injection hole, and the injection hole is used for injecting bone filler, preferably bone cement, into the bag;

and the suture is arranged in the threading hole.

Optionally, the connecting block is ring-shaped, and a through hole in the middle of the ring is used as the injection hole.

Optionally, the connecting block includes two surfaces opposite to each other, and the two surfaces are flat surfaces or curved surfaces.

Optionally, both ends of the threading hole are arranged on the upper surface of the connecting block, and the main body of the threading hole is arranged in the connecting block.

Optionally, two ends of the threading hole are distributed along the circumferential direction of the connecting block or distributed along the radial direction of the connecting block.

Optionally, when the two ends of the threading hole are distributed along the radial direction of the connecting block, the connecting block includes a lug extending outwards from the edge of the connecting block, and one of the two ends of the threading hole is arranged on the lug.

Optionally, the number of the threading holes is two, and the two threading holes are respectively arranged on two sides of the connecting block.

Optionally, the threading hole runs through the upper surface and the lower surface of the connecting block.

Optionally, the material of the bag is a sealing structure material, so that the bag can prevent the bone cement therein from leaking.

Optionally, the material of the bag is a grid structure material, so that the bone cement in the bag leaks to be connected with the bone tissue in a curing manner.

The utility model discloses an useful part lies in: the string anchoring device is provided with the capsular bag, the capsular bag is connected to the connecting block, the connecting block is provided with the injection hole for injecting the bone filler into the capsular bag, the capsular bag can be contracted, when the string anchoring device is used, the capsular bag in the contracted state is inserted into bone tissue, the bone filler is injected into the capsular bag from the injection hole to expand the capsular bag, the capsular bag can be firmly clamped in the bone tissue after the bone filler is solidified, after the capsular bag is fixed in the bone tissue, a suture on the connecting block penetrates through the tendon to be knotted and fixed, and the tendon can be fixed on the bone tissue.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the anchor device with a wire according to the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of a connecting block according to the present invention;

FIG. 3 is a schematic structural view of another embodiment of the mid-belt anchor of the present invention;

FIG. 4 is a schematic structural view of another embodiment of the mid-belt anchor assembly of the present invention;

fig. 5 is a schematic structural diagram of another embodiment of the connecting block of the present invention.

In the figure:

100. a threaded anchoring device; 110. connecting blocks; 111. threading holes; 112. an injection hole; 113. a lug; 120. a pouch; 130. and (4) sewing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The utility model provides a take line anchor for bone tissue, fig. 1 is the utility model discloses take the structure schematic diagram of line anchor embodiment, fig. 2 is the utility model discloses the structure schematic diagram of well connecting block embodiment, as shown in fig. 1 and fig. 2, take line anchor 100 to include connecting block 110, bag 120 and suture 130. The connecting block 110 is provided with a threading hole 111, and the suture 130 is threaded through the threading hole 111. The connection block 110 is further provided with an injection hole 112, the injection hole 112 penetrates through the connection block 110, the bladder 120 is disposed on the connection block 110, a mouth of the bladder 120 is communicated with the injection hole 112, for example, the mouth of the bladder 120 and the injection hole 112 are correspondingly disposed on the connection block 110, and the injection hole 112 is used for injecting bone filler into the bladder 120, in one embodiment, bone cement may be used as the bone filler.

The capsular bag 120 can be directly used as a capsular bag for spinal reduction, the capsular bag 120 can be fixed on the connecting block 110 by means of glue adhesion and the like, the capsular bag 120 can be contracted and expanded, the capsular bag 120 in a contracted state is inserted into bone tissue, bone cement is injected into the capsular bag 120 from the injection hole 112 on the connecting block 110 to expand the capsular bag 120, the bone cement selects curable bone cement, the capsular bag 120 can be firmly clamped in the bone tissue after the bone cement is cured, after the capsular bag 120 is fixed in the bone tissue, the suture 130 on the connecting block 110 is used for knotting and fixing the suture 130 on the tendon, the tendon can be fixed on the bone tissue, the capsular bag 120 is not easy to be separated from the bone tissue due to the curing of the bone cement in the capsular bag 120, anchoring reliability is enhanced, and in addition, the problem that the broken anchor caused by fixing the tendon by using a strip line is avoided, Weak pull-out resistance.

Referring to fig. 2, in one embodiment, the connection block 110 is formed in a ring shape, such that a through hole in the middle of the ring can be directly used as the injection hole 112. Bladder 120 is positioned at the bottom of junction block 110 and sutures 130 are threaded out the top of junction block 110. Of course, the connecting block 110 may be configured in other shapes, and is not limited herein.

With continued reference to fig. 2, the connecting block 110 includes two opposite surfaces, which may be flat or curved, and may conform to various shapes of anatomical structures. In one embodiment, as shown in fig. 2, the upper and lower surfaces are flat, which allows the connecting block 110 to better conform to bone tissue and tendons, and further, the upper and lower surfaces are flat, which facilitates the manufacturing and molding of the connecting block 110.

Further, referring to fig. 1 and 2, both ends (111a, 111b) of the threading hole 111 are disposed on the upper surface of the connecting block 110, and the main body of the threading hole 111 is disposed in the connecting block 110 and does not penetrate through the lower surface of the connecting block 110, such that the suture 130 penetrates through the upper surface of the connecting block 110 and then penetrates out of the upper surface of the connecting block 110, and therefore both ends of the suture 130 are disposed above the upper surface of the connecting block 110, and the suture 130 is conveniently sewn on the tendon, and the lower surface of the connecting block 110 is completely free of the suture 130, so as to maintain the flatness of the lower surface of the connecting block 110, and since the lower surface of the connecting block 110 is attached to the bone tissue, the absence of the suture 130 on the lower surface of the connecting block 110 can prevent the suture 130 from contacting the bone tissue, thereby causing unnecessary.

In other embodiments, as shown in fig. 3, the threading hole 111 may also penetrate the upper and lower surfaces of the connection block 110. The upper surface and the lower surface that set up through connection piece 110 with threading hole 111 can reduce the shaping degree of difficulty of threading hole 111, directly attack the through-hole on connection piece 110 can.

Referring to fig. 2, both ends (111a, 111b) of the threading hole 111 may be distributed along the circumferential direction of the connection block 110, and referring to fig. 5, both ends (111a, 111b) of the threading hole 111 may also be distributed along the radial direction of the connection block 110. Referring to fig. 4 and 5, when the two ends (111a, 111b) of the threading hole 111 are distributed along the radial direction of the connection block 110, the connection block 110 includes a lug 113 extending outward from the edge of the connection block 110, the lug 113 extends along the radial direction of the connection block 110, one end of the two ends (111a, 111b) of the threading hole 111 is disposed on the lug 113, but the two ends (111a, 111b) of the threading hole 111 may be disposed on the lug 113, which is not limited herein. The lugs 113 are arranged to facilitate the arrangement of the threading holes 111 on the connecting block 110, and provide more space for the arrangement of the threading holes 111.

As shown in fig. 4, there are two threading holes 111, and the two threading holes 111 are respectively disposed at two sides of the connecting block 110. The threading holes 111 are formed in the two sides of the connecting block 110, so that the two sides of the connecting block 110 are provided with the threads 130 in a penetrating mode, and tendons can be fixed better. In other embodiments, the number of the threading holes 111 may also be increased according to the requirement, for example, three, four, etc., without limitation.

As described above, both ends (111a, 111b) of the threading hole 111 may be disposed on the upper surface of the connecting block 110, and the main body of the threading hole 111 is disposed in the connecting block 110, and referring to fig. 1, the main body of the threading hole 111 disposed in the connecting block 110 is arc-shaped, so that the inner wall of the threading hole 111 is smooth, and the damage to the suture 130 is avoided.

The pouch 120 may have a sealing structure or a mesh structure, and the pouch 120 may be made of a biocompatible material such as polyester, nylon, rubber, or high-strength hydrogel. If the pouch 120 is a sealed structure, the pouch 120 can prevent leakage of cement therein. If the pouch 120 is of a mesh structure, the pouch 120 can allow the cement therein to leak to be solidified and connected with the bone tissue, thereby further preventing the pouch 120 from being separated from the bone tissue and improving the firmness of the connection. The mesh structure can be a mesh with uniform pore size or a mesh with non-uniform pore size, the pore size range is 0.1mm to 6mm, preferably 0.1mm to 0.6mm, and the structure material and pore size range of the bag 120 can be selected according to the requirement.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The meaning of the above terms in the present invention can be understood by those of ordinary skill in the art as the case may be.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A threaded anchoring device for bone tissue, comprising:

the connecting block (110) is provided with a threading hole (111) and an injection hole (112) penetrating through the connecting block (110);

the bag (120) is arranged on the connecting block (110), the opening of the bag (120) is communicated with the injection hole (112), and the injection hole (112) is used for injecting bone filler into the bag (120);

and a suture (130) provided in the threading hole (111).

2. The strip line anchoring device according to claim 1, wherein the connecting block (110) is ring-shaped, and a through hole in the middle of the ring is used as the injection hole (112).

3. The threaded anchoring device according to claim 2, wherein the connecting block (110) comprises two surfaces opposite to each other, and the upper and lower surfaces are flat or curved.

4. The threaded anchor device according to claim 3, wherein both ends of the threading hole (111) are provided on the upper surface of the connecting block (110), and the body of the threading hole (111) is provided in the connecting block (110).

5. The threaded anchoring device according to claim 1, wherein both ends of the threading hole (111) are distributed along a circumferential direction of the joint block (110) or along a radial direction of the joint block (110).

6. The threaded anchoring device according to claim 5, wherein when both ends of the threading hole (111) are distributed in a radial direction of the attachment block (110), the attachment block (110) includes a lug (113) extending outward from an edge of the attachment block (110), and one of both ends of the threading hole (111) is provided on the lug (113).

7. The threaded anchor device according to claim 1, wherein there are two threading holes (111), and the two threading holes (111) are respectively provided at both sides of the connecting block (110).

8. The threaded anchoring device according to claim 3, wherein the threading hole (111) penetrates the upper and lower surfaces of the connecting block (110).

9. The threaded anchoring device of claim 1, wherein the material of the bladder (120) is a sealing structure material to prevent leakage of cement in the bladder (120).

10. The threaded anchoring device of claim 1, wherein the material of the balloon (120) is a lattice structure to allow the cement therein to leak into a setting connection with the bone tissue.