CN111166460A - Multi-rivet implantation system - Google Patents
Multi-rivet implantation system Download PDFInfo
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- CN111166460A CN111166460A CN201911347849.5A CN201911347849A CN111166460A CN 111166460 A CN111166460 A CN 111166460A CN 201911347849 A CN201911347849 A CN 201911347849A CN 111166460 A CN111166460 A CN 111166460A
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- implantation system
- puncher
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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Abstract
The invention discloses a multi-anchor implantation system which comprises a puncher, a pusher and an anchor gun, wherein the anchor gun comprises a gun body and a gun head, and a plurality of positioning points are arranged on the gun head; the gun comprises a gun body and is characterized in that two parallel tube cavities are arranged in the gun body and respectively comprise an anchor cavity and a puncher cavity, the anchor cavity axially extends to the gun head along the cavity of the anchor cavity, the puncher cavity is overlapped with the anchor cavity after the joint of the gun head and the gun body is bent for a certain angle, and a plurality of anchors which are connected end to end and are connected in series through sutures are sequentially arranged in the anchor cavity. The multi-anchor implantation system can implant multiple anchors continuously, thereby obviously improving the implantation efficiency.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a multi-anchor implantation system.
Background
In the event of soft tissue loss, fracture, and free fracture fragments, the bone and soft tissue, and bone may be secured together using a suture anchor. One such method involves implanting the anchor in a bone tunnel and, as the anchor is implanted in the bone tunnel, the medical suture is compressed by the interference fit of the anchor and the bone tunnel to form an knotless fixation to effect fixation between the soft tissue and the bone, and between the bone and the bone.
The medical instruments used at present are a puncher and an inserter with one anchor, the puncher is used for punching a nail tunnel on a bone, then the anchor is implanted by threading, a suture of the first anchor is pulled out when a second nail tunnel is punched, the suture penetrates into the second anchor, and then the anchor is implanted, and the operation is repeated and the efficiency is very low.
Disclosure of Invention
The invention aims to provide a multi-anchor implantation system, which can implant a plurality of anchors continuously, thereby obviously improving the implantation efficiency.
In order to achieve the purpose, the invention provides a multi-anchor implantation system which comprises a puncher, a pusher and an anchor gun, wherein the anchor gun comprises a gun body and a gun head, and a plurality of positioning tips are arranged on the gun head; the gun comprises a gun body and is characterized in that two parallel tube cavities are arranged in the gun body and respectively comprise an anchor cavity and a puncher cavity, the anchor cavity axially extends to the gun head along the cavity of the anchor cavity, the puncher cavity is overlapped with the anchor cavity after the joint of the gun head and the gun body is bent for a certain angle, and a plurality of anchors which are connected end to end and are connected in series through sutures are sequentially arranged in the anchor cavity.
Preferably, the inner hole diameters of the anchor cavity and the puncher cavity are both 1.5-15 mm.
Preferably, each anchor is provided with a withdrawing device for withdrawing the anchor from the anchor cavity.
Preferably, the withdrawing device is a withdrawing line arranged at the tail of each anchor nail, and each withdrawing line is provided with a mark convenient to distinguish.
Preferably, the withdrawing device is a hollow tube which is sleeved on the outer side of each anchor and is positioned on the inner side of the anchor cavity, and one end of the hollow tube, which is close to the gun head, is provided with an elastic closing-in.
Preferably, the withdrawing device is a C-shaped sleeve sleeved outside the anchor cavity, two elastic claws are arranged at one end of the C-shaped sleeve close to the gun head, and the two elastic claws clamp the anchor through an axial gap arranged outside the anchor cavity.
Preferably, the punch includes a punch head, a punch bendable section, and a punch handle body.
Preferably, the propeller comprises a propeller body and a propeller head, and scale marks are arranged on the outer side of the propeller body.
Preferably, a handle is arranged on the outer side of the gun body.
The multi-anchor implantation system comprises a puncher, a pusher and an anchor gun, wherein the anchor gun comprises a gun body and a gun head, and a plurality of positioning points are arranged on the gun head; the gun comprises a gun body and is characterized in that two parallel tube cavities are arranged in the gun body and respectively comprise an anchor cavity and a puncher cavity, the anchor cavity axially extends to the gun head along the cavity of the anchor cavity, the puncher cavity is overlapped with the anchor cavity after the joint of the gun head and the gun body is bent for a certain angle, and a plurality of anchors which are connected end to end and are connected in series through sutures are sequentially arranged in the anchor cavity.
When fracture or ligament or tendon shedding and fracture occurs, the free bone or ligament or tendon is restored, then a plurality of anchor guns of the anchor implantation system are sent to the position needing to be fixed through the incision, and finally a matched puncher is used for drilling a nail path under the guidance of the puncher cavity. When drilling the nail track, the anchor gun can be used as a pilot drill to prevent the medical accidents caused by the winding of muscles, blood vessels, nerves and the like on the puncher. And after the drilling of the nail path is finished, the puncher is pulled out, the pusher is inserted into a cavity pipe of the pusher, namely an anchor cavity, the tail part of the pusher is tapped to implant the anchor into the nail path, and the anchor and the suture are fixed by utilizing the interference fit between the anchor and the nail path.
After each anchor bolt is implanted, the anchor bolt head is translated to a second fixed position along the bone surface or the soft tissue surface, the second anchor bolt is implanted in the same operation, and the suture connected between the two anchor bolts is tensioned along with the implantation of the anchor bolts into the nail path, so that the fixation between the bone block and the bone block or between the soft tissue and the bone is realized.
The multi-anchor implantation system integrates drilling and taking of the nail path, threading of the suture and nailing of the anchor with the suture, is convenient for doctors to use, and therefore operation efficiency is obviously improved.
In a specific embodiment, each anchor is provided with a withdrawing device for withdrawing the anchor from the anchor cavity, and the withdrawing device is arranged to facilitate withdrawing the non-implanted anchor from the anchor cavity after the completion of the anchor implantation process or when an abnormality occurs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of an anchor gun in accordance with an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an anchor cavity and a hole punch cavity;
FIG. 3 is a schematic cross-sectional view of an alternative anchor cavity and hole punch cavity;
FIG. 4 is a schematic view of the pusher;
fig. 5 is a schematic structural diagram of the puncher.
The reference numerals in fig. 1 to 5 are as follows:
the perforating gun comprises a gun body 1, a gun head 2, an anchor cavity 3, a perforator cavity 4, a handle 5, an anchor 6, a locating tip 7, a pusher body 11, scale marks 12, a pusher head 13, a perforator head 21, a perforator bendable section 22 and a perforator handle body 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a multi-anchor implantation system, which can implant a plurality of anchors continuously, thereby obviously improving the implantation efficiency.
Referring to fig. 1-5, fig. 1 is a cross-sectional view of an anchor gun in accordance with an embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of an anchor cavity and a hole punch cavity; FIG. 3 is a schematic cross-sectional view of an alternative anchor cavity and hole punch cavity; FIG. 4 is a schematic view of the pusher; fig. 5 is a schematic structural diagram of the puncher.
In a specific embodiment, the multiple-anchor implanting system provided by the invention comprises a puncher, a pusher and an anchor gun, wherein the anchor gun comprises a gun body 1 and a gun head 2, two parallel tube cavities are arranged in the gun body 1 and respectively comprise an anchor cavity 3 and a puncher cavity 4, the anchor cavity 3 is used for passing through the pusher and a threaded anchor, and the puncher cavity 4 is used for passing through the puncher.
The anchor gun body 1 can be a stainless steel pipe with the inner diameter of 4mm, the gun head 2 is formed by machining a stainless steel block, and the steel pipe and the gun head 2 can be welded. The gun head 2 may be provided with a plurality of positioning points 7, which may be oriented substantially perpendicular to the bone or soft tissue surface, for securing the anchor gun to the bone or soft tissue surface to prevent slippage during use. One or more positioning tips 7 may be provided, and the specific shape thereof is not limited.
The whole anchor cavity 3 is a linear cavity and axially extends to the gun head 2 along the cavity, and the puncher cavity 4 is superposed with the anchor cavity 3 after the connection part of the gun head 2 and the gun body 1 is bent by a certain angle, so that the gun head 2 and the anchor cavity can share one gun head, and the nail path drilled by the puncher can be located at the same position with the anchor cavity 3.
Wherein the hole that anchor chamber 3 and hole puncher chamber 4 formed can be round hole, square hole, D word shape hole, regular polygon hole etc. as long as this hole can insert supporting anchor, pusher, hole puncher of using can, consequently there is not the requirement to the shape of hole, but for processing convenience, mostly be round hole, square hole, D word shape hole, regular polygon hole usually.
A plurality of anchor bolts 6 are sequentially arranged in the anchor bolt cavity 3 and are sequentially connected end to end and connected in series through a suture. The pointed end of the suture anchor 6 is, of course, directed towards the head 2 of the bolt gun. The anchor 6 is connected in series by the suture, and the suture can be movable and can be a single suture or a plurality of sutures.
When fracture or ligament or tendon shedding and fracture occurs, the free bone or ligament or tendon is restored, then a plurality of anchor guns of the anchor implantation system are sent to the position needing to be fixed through the incision, and finally a matched puncher is used for drilling a nail path under the guidance of the puncher cavity. When drilling the nail track, the anchor gun can be used as a pilot drill to prevent the medical accidents caused by the winding of muscles, blood vessels, nerves and the like on the puncher. And after the drilling of the nail path is finished, the puncher is pulled out, the pusher is inserted into a cavity pipe of the pusher, namely an anchor cavity, the tail part of the pusher is tapped to implant the anchor into the nail path, and the anchor and the suture are fixed by utilizing the interference fit between the anchor and the nail path.
After each anchor bolt is implanted, the anchor bolt head is translated to a second fixed position along the bone surface or the soft tissue surface, the second anchor bolt is implanted in the same operation, and the suture connected between the two anchor bolts is tensioned along with the implantation of the anchor bolts into the nail path, so that the fixation between the bone block and the bone block or between the soft tissue and the bone is realized.
The multi-anchor implantation system integrates drilling and taking of the nail path, threading of the suture and nailing of the anchor with the suture, is convenient for doctors to use, and therefore operation efficiency is obviously improved.
Wherein, the inner aperture range of the anchor cavity 3 and the puncher cavity 4 is 1.5-15mm, so that the anchor device is suitable for punches, propellers and anchors 6 with various specifications.
In addition, the outside of the gun body 1 can be provided with a handle 5 which is convenient to grasp when in use, and the handle 5 can be coaxial with the gun body 1 of the anchor nail gun and can also form a certain included angle with the gun body 1. Generally, the handle 5 can be formed by machining and sleeved on the outer side of the gun body 1, the material of the anchor gun is stainless steel or titanium alloy, the handle 5 can be coated with rubber, and the handle 5 and the titanium alloy are connected through welding.
In a specific embodiment, each anchor 6 is provided with a withdrawing device for withdrawing from the anchor cavity 3, and the withdrawing device is arranged to facilitate withdrawing the non-implanted anchor 6 from the anchor cavity 3 after the implantation process of the anchor 6 is completed or when an abnormality occurs.
There may be a variety of settings for the means for backing off:
the withdrawing line can be a suture line and can be provided with marks convenient to distinguish on each withdrawing line, so that each anchor 6 can be withdrawn conveniently.
The withdrawing device can also be a hollow tube which is sleeved outside each anchor 6 and is positioned inside the anchor cavity 3, the hollow tube can be a plastic tube, one end of the hollow tube, which is close to the gun head 2, is provided with an elastic closing-in, the anchor 6 can enter the nail path through the elastic closing-in under the propelling of the propeller, and the elastic closing-in can be contracted and take out the anchor 6 when the hollow tube is pulled outwards.
The withdrawing device can also be a C-shaped sleeve sleeved outside the anchor cavity 3, the cross section of the C-shaped sleeve is C-shaped, two elastic claws are arranged at one end of the C-shaped sleeve close to the gun head 2, and the two elastic claws can clamp the anchor 6 through axial gaps arranged outside the anchor cavity 3. Of course, the number of the elastic claws may be plural. The anchor 6 can only pass through between two elastic claws under the action of the propeller, after one anchor 6 is knocked in, the anchor 6 immediately behind can be clamped by the elastic claws, and therefore the position of the anchor 6 can be withdrawn by pulling the C-shaped sleeve backwards.
In the above-mentioned multiple-anchor implantation system, the pusher includes a pusher body 11 and a pusher head 13, and the pusher body 11 is insertable into the anchor cavity 3, and generally the entire length of the pusher body 11 is slightly longer than the length of the anchor nail gun. The outer diameter of the thruster head 13 is slightly larger than the outer diameter of the thruster body 11, and in addition, the outer side of the thruster body 11 can be provided with scale marks 12, so that the length of the anchor 6 pushed out of the anchor gun head 2 can be conveniently observed and known. In use, the pusher head 13 is knocked to push the anchor 6 into the nail path. The pusher can be made of stainless steel or titanium alloy, and the pusher head 13 can be encapsulated.
In the multiple anchor implantation system described above, the punch includes a punch head 21, a punch bendable section 22, and a punch shank 23, which are designed to fit the curved punch chamber 4. The punch head 21 may be a drill bit and a punch tip, the punch shank 23 is a non-bendable shank, and the punch bendable section 22 may be comprised of a universal joint or a stainless steel wire braid.
In particular, the punch may be a bent drill, which may pass out of the bore of the anchor gun head 2 through the punch chamber 4; or a bendable punching punch which can penetrate out of the hole of the head 2 of the anchor gun through the hole puncher cavity 4. The material of the puncher can be stainless steel or titanium alloy.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The multiple anchor implantation system provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The multi-anchor implantation system is characterized by comprising a puncher, a pusher and an anchor gun, wherein the anchor gun comprises a gun body and a gun head, and a plurality of positioning points are arranged on the gun head; the gun comprises a gun body and is characterized in that two parallel tube cavities are arranged in the gun body and respectively comprise an anchor cavity and a puncher cavity, the anchor cavity axially extends to the gun head along the cavity of the anchor cavity, the puncher cavity is overlapped with the anchor cavity after the joint of the gun head and the gun body is bent for a certain angle, and a plurality of anchors which are connected end to end and are connected in series through sutures are sequentially arranged in the anchor cavity.
2. The multiple anchor implantation system of claim 1,
the inner aperture ranges of the anchor bolt cavity and the puncher cavity are 1.5-15 mm.
3. The multiple anchor implantation system of claim 1,
and each anchor is provided with a withdrawing device for withdrawing the anchor from the anchor cavity.
4. The multiple anchor implantation system of claim 3,
the retreating device is a retreating line arranged at the tail part of each anchor nail, and each retreating line is provided with a mark convenient to distinguish.
5. The multiple anchor implantation system of claim 3,
the withdrawing device is a hollow tube which is sleeved on the outer side of each anchor and is positioned on the inner side of the anchor cavity, and one end, close to the gun head, of the hollow tube is provided with an elastic closing-in.
6. The multiple anchor implantation system of claim 3,
the withdrawing device is a C-shaped sleeve sleeved on the outer side of the anchor cavity, two elastic claws are arranged at one end, close to the gun head, of the C-shaped sleeve, and the two elastic claws clamp the anchor through axial gaps formed in the outer side of the anchor cavity.
7. The multiple anchor implantation system of any one of claims 1-6,
the punch includes a punch head, a punch bendable section, and a punch handle body.
8. The multiple anchor implantation system of claim 5,
the propeller comprises a propeller main body and a propeller head, and scale marks are arranged on the outer side of the propeller main body.
9. The multiple anchor implantation system of claim 3,
and a handle is arranged on the outer side of the gun body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911347849.5A CN111166460A (en) | 2019-12-24 | 2019-12-24 | Multi-rivet implantation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911347849.5A CN111166460A (en) | 2019-12-24 | 2019-12-24 | Multi-rivet implantation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111166460A true CN111166460A (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911347849.5A Pending CN111166460A (en) | 2019-12-24 | 2019-12-24 | Multi-rivet implantation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111166460A (en) |
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2019
- 2019-12-24 CN CN201911347849.5A patent/CN111166460A/en active Pending
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