CN219700007U - Cable anchor with telescopic arc-shaped barbs - Google Patents
Cable anchor with telescopic arc-shaped barbs Download PDFInfo
- Publication number
- CN219700007U CN219700007U CN202321112632.8U CN202321112632U CN219700007U CN 219700007 U CN219700007 U CN 219700007U CN 202321112632 U CN202321112632 U CN 202321112632U CN 219700007 U CN219700007 U CN 219700007U
- Authority
- CN
- China
- Prior art keywords
- barb
- nail body
- driving
- arc
- driving piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 abstract description 30
- 238000009434 installation Methods 0.000 abstract description 7
- 238000002513 implantation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 241001653121 Glenoides Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a telescopic arc-shaped barb wire anchor nail which comprises a nail body, wherein an installation counter bore which extends along the axial direction of the nail body is formed in the center of the nail body, an inner thread is distributed on the inner wall surface of the installation counter bore, a driving piece with an outer thread is distributed on the outer wall surface of the installation counter bore in a threaded connection mode, a driving hole which is in a non-rotary column shape is formed in one end of the driving piece, an annular groove is formed in the other end of the driving piece, a barb extending hole with one end communicated with the outside and the other end communicated with the installation counter bore is formed in the side wall of the nail body, an arc-shaped barb is connected in a sliding mode in the barb extending hole, one end of the arc-shaped barb is provided with a follow-up ball head which is embedded in the annular groove and rotates in a universal mode, and the arc-shaped barb rotates along with the driving piece in the circumferential direction and moves in the axial direction. The barbed wire anchor is fixed by extending out of the barb to penetrate into bone tissue after implantation, so that the bone canal is not expanded, and the fixing performance is ensured; the barb can be retracted when the nail body needs to be removed, so that bone tissue is prevented from being damaged secondarily, the whole function is perfect, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a telescopic arc-shaped barb type wire anchor.
Background
The suture anchor is an implant for reconnecting soft tissues and bones, and is generally used for the repair and reconstruction of glenoid lips, the suture of ligaments and tendons, and the like, and the mechanism of action of the suture anchor is to pass a thread through the soft tissues through a suture needle and tie knots to fix the soft tissues to the anchor, i.e., the bone surface.
In clinical treatment application, the existing anchor with the wire is fixed in a human skeleton structure by utilizing structures such as threads, inverted teeth, elastic wings and the like, and the implantation mode is generally screwing in or hammering in.
The structure of the anchor with the wire has some defects that limit structures such as threads, inverted teeth, elastic wings and the like can damage a bone canal implanted into a nail body to a certain extent in the process that the anchor enters a human skeleton structure, so that the bone canal expands, and the bone canal is easy to fall off due to the movement of tissues when the anchor is fixed. In addition, in some cases, the nail body needs to be removed (such as infection/suture fracture, etc.), and the limit structure can damage bone tissue secondarily and delay healing of the tissue.
In view of this, the present utility model proposes a telescopic arcuate barbed wire anchor for overcoming the above-mentioned problems.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the telescopic arc-shaped barb type wire anchor, which is fixed by extending the barb to penetrate into bone tissue after implantation, so that the bone canal is not expanded, and the fixing performance is ensured; the barbs can be retracted when the nail body needs to be removed, so that bone tissues are prevented from being damaged secondarily.
In order to solve the technical problems, the aim of the utility model is realized as follows: the utility model relates to a telescopic arc-shaped barb wire anchor nail which comprises a nail body, wherein a plurality of reinforcing grooves extending along the axial direction of the nail body are distributed on the outer wall surface of the nail body, a mounting counter bore extending along the axial direction of the nail body and provided with internal threads is distributed on the inner wall surface of the nail body, a driving piece with external threads is distributed on the outer wall surface of the mounting counter bore in a threaded connection manner, a driving hole which is in a non-rotary columnar shape is formed in one end of the driving piece, an annular groove is formed in the other end of the driving piece, barb extending holes with one end communicated with the outside and the other end communicated with the mounting counter bore are formed in the side wall of the nail body, an arc-shaped barb is connected in the barb extending holes in a sliding manner, one end of the arc-shaped barb is provided with a follow-up ball head which is embedded in the annular groove and rotates in a universal manner, and the arc-shaped barb rotates along with the driving piece in the circumferential direction and the axial direction.
The utility model is further provided with: and a threading hole penetrating through the nail body is laterally formed in the bottom of the mounting counter bore.
The utility model is further provided with: the driving hole is in a regular hexagonal prism structure.
The utility model is further provided with: also comprises an inserter; the inserter comprises a fixing rod and a driving rod which are mutually sleeved, the driving rod can circumferentially rotate and axially move relative to the fixing rod, a fixing protrusion of an adaptation reinforcing groove is arranged at one end of the fixing rod, a first handle is arranged at the other end of the fixing rod, a driving protrusion of an adaptation driving hole is arranged at one end of the driving rod, and a second handle is arranged at the other end of the driving rod.
The utility model is further provided with: the first handle is provided with a suture slot.
In summary, the utility model has the following beneficial effects:
1. the nail body is provided with three telescopic arc barbs serving as fixing parts, and the arc barbs can be driven to penetrate into the bone canal through upper rotation after the nail body is implanted into the bone canal, so that the fixation is completed.
2. Because the telescopic fixed structure of the nail body, the diameter of the positioning hole is not required to be smaller than the diameter of the nail body when the nail is implanted, the process of screwing in or hammering in is not needed when the nail is implanted, and the surface of the nail body and the bone canal cannot generate severe friction, so that the bone canal is protected, and the nail body is prevented from falling off due to the expansion of the bone canal.
3. After the bone tissue and the tendon tissue heal, if the nail body needs to be removed, the arc barbs of the nail body can be retracted into the nail body, so that secondary damage to bone is avoided when the nail body is removed.
Drawings
FIG. 1 is a schematic overall structure of a first embodiment of the present utility model;
FIG. 2 is a schematic view of the internal structure of the first embodiment of the present utility model;
FIG. 3 is a schematic view of a portion of the structure of a state one of the present utility model;
FIG. 4 is a schematic overall structure of the second embodiment of the present utility model;
FIG. 5 is a schematic view of the internal structure of the second embodiment of the present utility model;
FIG. 6 is a schematic view of a portion of the structure of state two of the present utility model;
FIG. 7 is a schematic diagram of the overall structure of an interposer for embodying the present utility model;
fig. 8 is a schematic view of a partial structure of an interposer for embodying the present utility model.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the present utility model, and are not limiting the patent claims of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings and preferred embodiments.
Example 1
Referring to fig. 1 to 6, the telescopic arc-shaped barbed anchor according to this embodiment includes a nail body 1, a plurality of reinforcing grooves 2 extending along the axial direction of the nail body 1 are distributed on the outer wall surface of the nail body 1, an installation counter bore 3 extending along the axial direction of the nail body 1 and having internal threads on the inner wall surface is distributed in the center of the nail body, a driving piece 4 having external threads on the outer wall surface is distributed in the internal threads of the installation counter bore 3, a driving hole 5 having a non-rotary column shape is arranged at one end of the driving piece 4, an annular groove 6 is formed at the other end of the driving piece 4, an arc-shaped barb 8 is formed on the side wall of the nail body 1, a barb extending hole 7 having one end communicated with the outside and the other end communicated with the installation counter bore is connected in a sliding manner in the barb extending hole 7, one end of the arc-shaped barb 8 has a follower ball 9 embedded in the annular groove 6 and rotating in a universal direction, and the arc-shaped barb 8 moves along with the driving piece 4 in a circumferential direction and an axial direction.
Further, a threading hole 10 penetrating through the nail body is laterally formed in the bottom of the mounting counter bore 3.
Further, the driving hole 5 has a regular hexagonal prism structure.
In the embodiment, three reinforcing grooves 2 are distributed on the outer wall surface of the nail body 1, so that the contact area between the nail body and a bone canal is increased, the binding force is increased, and the rotation or sliding of the nail body during implantation is prevented.
In the embodiment, the contact area between the nail body and the bone is increased by arranging the reinforcing groove 2 on the outer wall surface of the nail body 1, so that the action effect of the slow-release coating is enhanced.
When the driving piece 4 rotates clockwise, the driving piece 4 moves downwards under the transmission of the threaded fit, and the arc-shaped barb 8 rotates circumferentially and moves axially along with the driving piece 4 under the universal transmission of the follow-up ball head 9, so that the arc-shaped barb 8 extends out of the barb extending hole 7, and the barb is opened.
When the driving piece 4 rotates anticlockwise, the driving piece 4 moves upwards under the transmission of the threaded fit, and the arc-shaped barb 8 rotates circumferentially and moves axially along with the driving piece 4 under the universal transmission of the follow-up ball head 9, so that the arc-shaped barb 8 retracts into the barb extending hole 7, and the barb is retracted. When the barbs are opened, the barbs penetrate into loose bones, so that the binding force between the anchor and the bones is increased, and the nail body is prevented from falling off.
Wherein, through the arrangement of the driving hole 5 which is in a non-rotary column shape, the driving hole is used for connecting an external rotating tool so as to realize the rotation of the driving piece 4.
Wherein, through the opening of the threading hole 12, two sutures can be passed through for threading the sutures.
Example 2
Referring to fig. 1 to 8, a telescopic arc-shaped barbed wire anchor according to the present embodiment is further provided, on the basis of embodiment 1, with an inserter; the inserter comprises a fixing rod 11 and a driving rod 12 which are mutually sleeved, the driving rod 12 can circumferentially rotate and axially move relative to the fixing rod 11, one end of the fixing rod 11 is provided with a fixing protrusion 13 which is matched with the reinforcing groove, the other end of the fixing rod 11 is provided with a first handle 14, one end of the driving rod 12 is provided with a driving protrusion 15 which is matched with the driving hole, and the other end of the driving rod 12 is provided with a second handle 16.
Further, the first handle 14 is provided with a slot 17.
In this embodiment, the inserter employs a two-stage combination structure, which implements the manipulation of the fixed lever 11 by using the first handle 14, and implements the manipulation of the driving lever 12 by using the second handle 16.
Three fixing protrusions 13 which can be inserted into the reinforcing grooves 2 are arranged at the end parts of the fixing rods 11 and are used for being connected with the nail bodies, so that the anchor is conveniently implanted. A driving protrusion 15 adapted to the driving hole is provided at the end of the driving rod 12, and the driving member 4 is controlled to rotate by inserting the driving protrusion 15 and rotating in the circumferential direction.
Wherein, through the seting up of suture groove 17, be used for fixed suture, be convenient for the operation.
The telescopic arc-shaped barb wire anchor comprises a screw body, wherein the screw body is provided with three telescopic arc-shaped barbs serving as fixing parts, and the screw body can be driven to penetrate into a bone canal through upper rotation after being implanted into the bone canal, so that the fixation is completed; because the telescopic fixing structure of the nail body is not required to be smaller than the diameter of the nail body when the nail is implanted, the process of screwing in or hammering in is not required when the nail is implanted, and the surface of the nail body and the bone canal cannot generate severe friction, so that the bone canal is protected, and the nail body is prevented from falling off due to the expansion of the bone canal; and after the bone tissue and tendon tissue heal, if the nail body needs to be removed, the arc barb of the nail body can be retracted into the nail body, so that secondary damage to bone is avoided when the nail body is removed, the whole function is perfect, and the practicability is strong.
Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional or positional relation is based on the actually shown positional or positional relation, it is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional or positional relation in the present utility model are merely for exemplary illustration and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to combine the embodiments and understand the specific meaning of the above terms according to the specific circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides a scalable arc barb's area line anchor, includes the nail body, and the outer wall surface cloth of nail body has multichannel to do the enhancement groove that extends along its axial, its characterized in that: the nail comprises a nail body, wherein the center of the nail body is provided with a mounting counter bore which extends along the axial direction of the nail body and is provided with internal threads on the inner wall surface, the internal threads of the mounting counter bore are connected with a driving piece with external threads on the outer wall surface, one end of the driving piece is provided with a driving hole which is in a non-rotary column shape, the other end of the driving piece is provided with an annular groove, the side wall of the nail body is provided with a barb extending hole, one end of the barb extending hole is communicated with the outside, the other end of the barb extending hole is slidably connected with an arc barb, one end of the arc barb is provided with a follow-up ball head which is embedded in the annular groove and performs universal rotation, and the arc barb performs circumferential rotation and axial movement along with the driving piece.
2. The retractable arc barb stripline anchor of claim 1 wherein: and a threading hole penetrating through the nail body is laterally formed in the bottom of the mounting counter bore.
3. The retractable arc barb stripline anchor of claim 2 wherein: the driving hole is in a regular hexagonal prism structure.
4. A retractable arc-shaped barbed wire anchor according to any one of claims 1-3, wherein: also comprises an inserter; the inserter comprises a fixing rod and a driving rod which are mutually sleeved, the driving rod can circumferentially rotate and axially move relative to the fixing rod, a fixing protrusion of an adaptation reinforcing groove is arranged at one end of the fixing rod, a first handle is arranged at the other end of the fixing rod, a driving protrusion of an adaptation driving hole is arranged at one end of the driving rod, and a second handle is arranged at the other end of the driving rod.
5. The retractable arc barb stripline anchor of claim 4 wherein: the first handle is provided with a suture slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112632.8U CN219700007U (en) | 2023-05-10 | 2023-05-10 | Cable anchor with telescopic arc-shaped barbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321112632.8U CN219700007U (en) | 2023-05-10 | 2023-05-10 | Cable anchor with telescopic arc-shaped barbs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219700007U true CN219700007U (en) | 2023-09-19 |
Family
ID=87979127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321112632.8U Active CN219700007U (en) | 2023-05-10 | 2023-05-10 | Cable anchor with telescopic arc-shaped barbs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219700007U (en) |
-
2023
- 2023-05-10 CN CN202321112632.8U patent/CN219700007U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2444060C (en) | Osteosynthetic anchoring element | |
| RU2334484C2 (en) | Bliskunov device for elongating long bones | |
| US6648889B2 (en) | Intramedullary hip nail with bifurcated lock | |
| JP5913376B2 (en) | Implant system for bone fixation | |
| US6328758B1 (en) | Suture anchor with reversible expansion | |
| US6840953B2 (en) | Suture screw | |
| US20060100623A1 (en) | System for fixation of bone fractures | |
| US20090125071A1 (en) | Shape-changing anatomical anchor | |
| ATE274851T1 (en) | SURGICAL BLIND RIVETS WITH LOCKING ELEMENT | |
| US20130274747A1 (en) | Intramedullary Nail System with Tang Fixation after Lock Screw Placement | |
| JP2009517156A (en) | Suture anchor | |
| CN209966532U (en) | Pressure internal fixer capable of making two ends of fracture position between femur neck and tuberosity tightly combined | |
| EP2254491B1 (en) | A device for reducing a bone fracture | |
| TWI523634B (en) | Bone fracture fixation device | |
| CN219700006U (en) | Active expansion type band wire anchor | |
| CN219700007U (en) | Cable anchor with telescopic arc-shaped barbs | |
| CN112971884B (en) | Suture anchor implantation device | |
| CN108348284B (en) | Intraosseous screw assembly and internal fixation system comprising same | |
| CN115770092A (en) | Strong tension nail for cancellous bone | |
| CN214907496U (en) | Medical anchor | |
| CN219250302U (en) | Medical anchor with wire | |
| CN217472048U (en) | Intramedullary nail for radius | |
| CN220404098U (en) | Femoral neck sliding locking system | |
| CN214907498U (en) | Medical anchor | |
| CN218922674U (en) | Bone anchoring nail and bone anchoring nail system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |