CN211883993U - Vertebral body repairing kit - Google Patents
Vertebral body repairing kit Download PDFInfo
- Publication number
- CN211883993U CN211883993U CN202020221692.3U CN202020221692U CN211883993U CN 211883993 U CN211883993 U CN 211883993U CN 202020221692 U CN202020221692 U CN 202020221692U CN 211883993 U CN211883993 U CN 211883993U
- Authority
- CN
- China
- Prior art keywords
- vertebral body
- bag
- spinal
- rod assembly
- repair kit
- 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
Images
Landscapes
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model provides a centrum repair kit belongs to the spinal column field of restoreing, including spinal nail stick subassembly, flexible or shapeable bag and connection structure that hold. The spinal nail rod assembly is used for being fixed with the spinal column. The receiving bag is used for receiving a filling material and has a cavity for fusing the filling material inside with the vertebral body of the spine outside. A connecting structure connects the receiving pocket with the spinal nail and rod assembly. After the connecting structure connects the containing bag with the spinal nail rod assembly fixed on the spine, the containing bag is fixed at the surface defect of the vertebral body by the spinal nail rod assembly. The utility model discloses a centrum repair kit has realized the restoration of centrum surface defect department. The filling material is shaped into the shape of the surface defect part of the vertebral body by utilizing the containing bag, the containing bag is fixed at the surface defect part of the vertebral body by the connecting structure and the spinal nail rod assembly, and the vertebral body is fused with the filling material through the hole on the containing bag, so that the use is simple and convenient, and the operation effect is better.
Description
Technical Field
The utility model belongs to the technical field of the spinal column is restoreed, more specifically says, relates to a centrum is restoreed external member.
Background
In spinal surgery, structures such as vertebral plates, spinous processes, facet joints and the like on the surface of a vertebral body are often damaged, and after the structures are damaged, a good restoration means is not provided at present, and usually, the repair is not performed, but the best surgical effect is difficult to achieve without the repair. If the traditional bone repair method is adopted, the steel plate or other substitutes are implanted for repair, and the damaged structure is smaller and is positioned on the surface of the vertebral body, so that the steel plate or other substitutes are difficult to fix with the vertebral body, the shape of the damaged part is difficult to restore, and the optimal operation effect is difficult to achieve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centrum repair kit to solve and exist among the prior art, in the spinal surgery, the spinous process on centrum surface, little joint isotructure can't carry out prosthetic technical problem.
In order to achieve the above object, the utility model adopts the technical scheme that a centrum repair kit is provided, include:
the spine nail rod assembly is used for being fixed with the spine;
a flexible or shapeable receiving bag for receiving a filling material, having a cavity for fusing the filling material inside with an external vertebral body of the spine; and
the connecting structure is used for connecting the accommodating bag with the spinal nail rod assembly;
after the connecting structure connects the containing bag with the spinal nail rod assembly fixed on the spine, the containing bag is fixed at the surface defect of the vertebral body by the spinal nail rod assembly.
As another embodiment of the present application, the connection structure is a detachable structure.
As another embodiment of the present application, the detachable structure includes a connecting member; the first end of connecting piece with hold the bag and connect, the connecting piece second end is equipped with and is used for holding the local spread groove of spinal nail stick subassembly, spread groove opening part threaded connection has the jackscrew, the jackscrew be used for with the local of spinal nail stick subassembly compress tightly in the spread groove.
As another embodiment of the present application, the spinal nail rod assembly comprises:
a fixation rod for placement along the spine; and
pedicle screws for connecting the fixation rod to a plurality of vertebral bodies of the spine;
the connecting groove is used for accommodating the fixing rod, and the jackscrew is used for pressing the fixing rod into the connecting groove.
As another embodiment of the present application, the first end of the connecting member is hooked to the receiving bag by a hook.
As another embodiment of the present application, the hook is rotatably disposed at the first end of the connecting part, and includes a hook portion located outside the connecting part and a rod portion connected to the hook portion and located inside the connecting groove;
the rod part is used for being locally pushed by the spinal nail rod assembly placed in the connecting groove, so that the hook part and the accommodating bag are hooked, and then the opening is attached to the outside of the connecting piece.
As another embodiment of the present application, the rod portion is a bendable elastic member, one end of the rod portion is rotatably connected to the bottom of the connecting groove, and the other end of the rod portion abuts against the side wall of the connecting groove; the rod part is used for being elastically bent after being locally extruded by the spinal nail rod assembly placed in the connecting groove so as to pry the hook part to enable the opening of the hook part to be attached to the outside of the connecting piece.
As another embodiment of the present application, a filling opening is disposed on a side of the receiving bag away from the connecting structure, and the filling opening is a retractable structure.
As another embodiment of the present application, the containment bag is an absorbable member.
As another embodiment of the present application, the receiving bag is a mesh bag, and the holes are meshes of the mesh bag.
The embodiment of the utility model provides a centrum repair kit's beneficial effect lies in: compared with the prior art, the utility model discloses centrum restoration external member can realize the restoration of centrum surface defect department in the backbone operation, has filled the technical blank. In the operation, the spinal nail rod component is fixed with the spinal column, a flexible or shapeable containing bag is used for containing filler, the filler is shaped into the shape of the surface defect part of the vertebral body, and then the containing bag is connected with the spinal nail rod component by using a connecting structure, so that the containing bag is fixed at the surface defect part of the vertebral body by the spinal nail rod component; as the vertebral body grows, the vertebral body is fused with the filler through the hole on the containing bag, thereby repairing the surface defect of the vertebral body. The accommodating bag for accommodating the filler does not need to be directly fixed with the vertebral body, and the fixing operation is simple and convenient; and the shape of the surface defect part of the vertebral body can be reduced as much as possible by shaping the filler, so that a better operation effect is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of a using state of a vertebral body repair kit according to an embodiment of the present invention;
fig. 2 is a front view of a receiving bag and a connecting structure in a vertebral body repair kit according to an embodiment of the present invention;
fig. 3 is a front view of a receiving bag and a connecting structure in a vertebral body repair kit according to another embodiment of the present invention;
fig. 4 is a schematic view of the vertebral body repair kit of fig. 3 connected to a spinal rod assembly.
Wherein, in the figures, the respective reference numerals:
1-a containment bag; 11-a filling port; 2-a linking structure; 21-a connector; 22-a connecting trough; 23-top thread; 24-hook; 241-a hook portion; 242-a stem portion; 3-spinal nail-rod assembly; 31-a fixed bar; 32-pedicle screws; 4-vertebral body.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, a vertebral body repair kit according to an embodiment of the present invention will be described. A vertebral body repair kit comprising: a spinal rod assembly 3, a flexible or shapeable receiving bag 1 and a connecting structure 2.
The spinal nail rod component 3 is used for fixing with the spinal column. A flexible or shapeable receiving bag 1 for receiving a filling material, having a cavity for fusing the filling material inside with an outer vertebral body 4 of the spinal column. The connecting structure 2 connects the receiving bag 1 with the spinal nail rod assembly 3. After the connecting structure 2 connects the containing bag 1 with the spinal nail rod component 3 fixed on the spinal column, the containing bag 1 is fixed on the surface defect of the vertebral body 4 by the spinal nail rod component 3.
Compared with the prior art, the utility model discloses centrum repair kit can realize the restoration of 4 surface defects departments of centrum in the backbone operation, has filled the technical blank. In the operation, the spinal nail rod component 3 is fixed with the spinal column, the flexible or moldable containing bag 1 is used for containing the filler, the filler is molded into the shape of the surface defect part of the vertebral body 4, and then the containing bag 1 is connected with the spinal nail rod component 3 by the connecting structure 2, so that the containing bag 1 is fixed at the surface defect part of the vertebral body 4 by the spinal nail rod component 3; as the vertebral body 4 grows, the vertebral body 4 is fused with filler through the hole in the containment bag 1, thereby repairing the surface defect of the vertebral body 4. The accommodating bag 1 for accommodating the filler does not need to be directly fixed with the vertebral body 4, and the fixing operation is simple and convenient; and the shape of the surface defect part of the vertebral body 4 can be reduced as much as possible by shaping the filler, so that a better operation effect is achieved.
In this embodiment, the spinal screw-rod assembly 3 may be the same as the general spinal screw-rod assembly 3 for restoring the physiological curvature of the spine, and may include a fixing rod 31 and a pedicle screw 32.
In this embodiment, the containing bag 1 is shapeable, which means that the containing bag 1 can be bent and shaped by an operator. The containing bag 1 may be a mesh bag, specifically, a shapeable mesh bag of a non-absorbable material or an absorbable material, or a soft mesh bag of a non-absorbable material or an absorbable material. More specifically, the containment bag 1 may be a titanium alloy mesh bag, or a mesh bag made of an absorbable film. When the containing bag 1 is made of the absorbable film, a plurality of holes are formed on the absorbable film, so that the vertebral body 4 outside the containing bag 1 is fused with the filler inside the containing bag 1 through the holes. The filler may be autologous bone granules of the patient or other granular bone fusion materials, or may be a moldable bone fusion material mixed with bone cement or the like. After filling the filling material into the receiving bag 1, the filling material can be shaped into the shape of the surface defect portion of the vertebral body 4 by the plasticity of the receiving bag 1 or the plasticity of the filling material.
In this embodiment, the connection structure 2 may be used to fixedly connect the accommodating bag 1 and the spinal nail rod assembly 3, or may be used to detachably connect the accommodating bag 1 and the spinal nail rod assembly 3. In the operation, after spinal nail stick subassembly 3 is fixed with patient's backbone, spinal nail stick subassembly 3 will be equipped with the filler and the bag 1 that holds after moulding is fixed in the surface defect department of centrum 4 through connection structure 2, and after a period, centrum 4 fuses with the filler through the hole that holds bag 1, realizes the restoration of centrum 4 surface defect department, reaches better operation effect.
Referring to fig. 1 to 4, as an embodiment of the vertebral body repair kit according to the present invention, the connecting structure 2 is a detachable structure. By adopting the structure, the containing bag 1 and the spinal nail rod component 3 can be conveniently connected and separated, and the operation during the operation is convenient.
In this embodiment, the connection structure 2 may be a detachable structure in a snap-fit form or a screw thread form. In the operation of spinal nail stick subassembly 3 is implanted to needs, can be earlier with spinal nail stick subassembly 3 with the fixed back of patient's backbone, will be equipped with the filler hold bag 1 moulding back and arrange the surface defect department of centrum 4 in, later will hold bag 1 and spinal nail stick subassembly 3 fixed through connection structure 2, make and hold bag 1 and fix the surface defect department at centrum 4, after a period, centrum 4 fuses with the filler through the hole that holds bag 1, the later stage can be through detachable construction, with spinal nail stick subassembly 3 with hold bag 1 separation, demolish spinal nail stick subassembly 3.
Referring to fig. 2 to 4, as an embodiment of the vertebral body repair kit provided by the present invention, the detachable structure includes a connecting member 21; the first end of connecting piece 21 is connected with holding bag 1, and the second end of connecting piece 21 is equipped with the connecting groove 22 that is used for holding spinal nail stick subassembly 3 part, and the threaded connection of connecting groove 22 opening part has jackscrew 23, and jackscrew 23 is used for compressing tightly spinal nail stick subassembly 3 part in connecting groove 22.
In this embodiment, the first end of the connecting member 21 may be fixedly connected or detachably connected to the receiving bag 1. The second end of the coupling piece 21 is provided with a coupling groove 22 in a U-shape. The inner walls of both sides of the opening of the connecting groove 22 are provided with threads through which the jackscrews 23 are connected. When the spinal nail rod assembly 3 is used, a part of the spinal nail rod assembly 3, such as the fixing rod 31, is placed into the connecting groove 22, then the jackscrew 23 is screwed at the opening of the connecting groove 22, the part of the spinal nail rod assembly 3 is pressed in the connecting groove 22, and the connection of the accommodating bag 1 and the spinal nail rod assembly 3 is realized. The receiving bag 1 can be separated from the spinal rod assembly 3 by removing the jackscrew 23 from the opening of the attachment slot 22. In use, after the containing bag 1 is placed on the surface defect of the vertebral body 4, the containing bag 1 is connected with the proximal part of the spinal nail rod assembly 3 through the connecting piece 21.
Referring to fig. 1 to 4, as an embodiment of the vertebral body repairing kit provided by the present invention, a spinal nail rod assembly 3 includes: a fixation rod 31 and pedicle screws 32.
The fixation rod 31 is intended to be positioned along the spinal column. Pedicle screws are used to connect the fixation rod 31 to multiple vertebral bodies 4 of the spine. The connecting groove 22 is used for accommodating the fixing rod 31, and the jackscrew 23 is used for pressing the fixing rod 31 into the connecting groove 22. The connecting slot 22 is used for accommodating the fixing rod 31, and the position of the accommodating bag 1 can be conveniently adjusted along the fixing rod 31.
In this embodiment, the spinal nail-rod assembly 3 may be a spinal nail-rod assembly including a fixation rod 31 and a pedicle screw 32. The fixation rod 31 is intended to be positioned along the spinal column. Pedicle screws 32 are used to connect the fixation rods 31 to the various vertebral bodies 4 of the spine to restore the physiological curvature of the spine. In use, after the containing bag 1 is placed on the surface defect of the vertebral body 4, the section of the fixing rod 31 closest to the containing bag 1 is placed into the connecting groove 22 through the connecting piece 21 and is compressed by the jackscrew 23.
In this embodiment, the fixing rod 31 may also be provided with a clamping section with a smaller diameter, and the clamping section is placed into the connecting groove 22 of the connecting piece 21 and pressed by the jackscrew 23, so that the connecting piece 21 is fixed in position in the axial direction of the fixing rod 31.
Referring to fig. 3 and 4, as a specific embodiment of the vertebral body repair kit provided by the present invention, the first end of the connecting member 21 is hooked with the accommodating bag 1 through the hook 24. The first end of the connecting piece 21 can be hooked with the hole on the containing bag 1 through the hook 24, so that the connection is more convenient and the structure is simpler.
In this embodiment, the accommodating bag 1 may be a net structure having a plurality of meshes, and the first end of the connecting member 21 may be hooked with the meshes through the hook 24, so that the hooking position is easier to select. The hook 24 may be fixed to the first end of the connector 21, or may be provided on the first end of the connector 21 by other means.
Referring to fig. 3 and 4, as a specific embodiment of the vertebral body repair kit provided by the present invention, the hook 24 is rotatably disposed on the first end of the connecting member 21, and includes a hook portion 241 located outside the connecting member 21 and a rod portion 242 connected to the hook portion 241 and located inside the connecting groove 22. The rod part 242 is used for being partially pushed by the spinal nail rod assembly 3 placed in the connecting groove 22 so that the hook part 241 is engaged with the accommodating bag 1 and then the opening is engaged outside the connecting piece 21.
In this embodiment, a mounting hole is formed at the bottom of the connecting groove 22 of the connecting piece 21, and the hook 24 is mounted in the mounting hole and hinged to the side wall of the mounting hole through a rotating shaft. The hook 24 is an integral structure including a hook portion 241 and a lever portion 242, and the hook portion 241 is connected to one end of the lever portion 242. The hook portion 241 of the hook 24 extends out of the first end of the connecting piece 21 through the mounting hole and is used for hooking with the accommodating bag 1, the rod portion 242 of the hook 24 extends into the connecting groove 22 and is pushed by the spinal nail rod assembly 3 when the local part of the spinal nail rod assembly 3 is placed into the connecting groove 22 like the fixing rod 31, so that the hook portion 241 is driven to rotate, the opening of the hook portion 241 is attached to the outside of the connecting piece 21, and the accommodating bag 1 is prevented from being separated from the hook portion 241.
Referring to fig. 3 and 4, as a specific embodiment of the vertebral body repair kit provided by the present invention, the rod portion 242 is a flexible elastic member, one end of the rod portion 242 is rotatably connected to the bottom of the connecting groove 22, and the other end is abutted to the side wall of the connecting groove 22; the stem portion 242 is adapted to be resiliently flexed by the partial compression of the spinal nail rod assembly 3 into the attachment slot 22 to pry the hook portion 241 into engagement with the opening of the hook portion 241 outside of the attachment member 21.
In this embodiment, the hook 24 is an integrated structure including a hook portion 241 and a rod portion 242, the hook portion 241 is connected to one end of the rod portion 242, and the rod portion 242 is made of an elastic titanium alloy or other elastic materials. The bottom of the connecting groove 22 of the connecting piece 21 is provided with a mounting hole. One end of the rod part 242 connected with the hook part 241 is located in the mounting hole and hinged with the side wall of the mounting hole through a rotating shaft, so that the hook 24 is rotatably arranged on the first end of the connecting piece 21, and the other end of the rod part 242 extends into the connecting groove 22 and is abutted against the side wall of the connecting groove 22. When the spinal nail bar connecting piece is used, a part of the spinal nail bar component 3, such as the fixing bar 31, is placed in the connecting groove 22, the part of the spinal nail bar component 3 extrudes the middle of the rod part 242 of the clamping hook 24 in the connecting groove 22, so that the rod part 242 is elastically bent and deformed, the hook part 241 is pried to rotate after the rod part 242 is bent, the opening of the hook part 241 is attached to the outside of the connecting piece 21, and the accommodating bag 1 is prevented from being separated from the hook part 241.
Referring to fig. 2 to 4, as a specific embodiment of the vertebral body repairing kit according to the present invention, a filling opening 11 is disposed on one side of the containing bag 1 away from the connecting structure 2, and the filling opening 11 is a retractable structure. The filling opening 11 is of a collapsible structure, and the containing bag 1 can be closed by collapsing the filling opening 11, so that the filler in the containing bag 1 is prevented from leaking. By arranging the filling port 11 at the side of the containing bag 1 far from the connecting structure 2, after the containing bag 1 is connected with the spinal nail rod assembly 3 through the connecting structure 2, the filling port 11 is pressed at the surface defect of the spinal vertebral body 4, on one hand, the filler can be prevented from leaking from the contracted filling port 11, and on the other hand, the vertebral body 4 can be fused with the filler through the gap of the contracted filling port 11.
In this embodiment, the accommodating bag 1 may be a mesh bag, specifically, a shapeable titanium alloy mesh bag or an absorbable material mesh bag, or a soft absorbable material mesh bag. The containing bag 1 can also be a bag made of an absorbable film, and a plurality of holes are formed in the absorbable film, so that the vertebral body 4 outside the containing bag 1 is fused with the filler inside the containing bag 1 through the holes. The receiving bag 1 may have only one filling opening 11, or may have a plurality of filling openings 11. The contractible structure of the filling opening 11 may be such that the opening end of the titanium alloy mesh tube is formed into a contractible structure by passing a rope back and forth through the side wall of the filling opening 11 and around the filling opening 11 in a circle, and the filling opening 11 can be contracted and closed by pulling the rope.
Specifically, the containing bag 1 may be made of a cylindrical titanium alloy mesh tube with one end closed, the open end of the titanium alloy mesh tube forms the filling port 11, a titanium alloy rope or a absorbable rope passes through the tube wall of the titanium alloy mesh tube in a reciprocating manner and winds around the open end of the titanium alloy mesh tube for one circle, so that the open end of the titanium alloy mesh tube forms a shrinkable structure, and the filling port 11 may be shrunk and closed by pulling the titanium alloy rope or the absorbable rope.
Referring to fig. 1 to 4, as an embodiment of the vertebral body repair kit according to the present invention, the receiving bag 1 is an absorbable member.
In this embodiment, the receiving bag 1 may be made of an existing material that can be absorbed by the human body. The material for making the receiving bag 1, which can be absorbed by human body, may be flexible, or may have plasticity, i.e. can be bent and shaped by the operator.
Referring to fig. 1 to 4, as a specific embodiment of the vertebral body repair kit provided by the present invention, the containing bag 1 is a mesh bag, and the holes are meshes of the mesh bag. By adopting the structure, the first end of the connecting piece 21 is convenient to be hooked with the containing bag 1 through the hook 24, and the vertebral body 4 is convenient to be fused with the filler.
In this embodiment, the containing bag 1 may be made of a titanium alloy mesh, or may be made of a mesh made of an absorbable material.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Vertebral body repair kit, characterized in that includes:
the spine nail rod assembly is used for being fixed with the spine;
a flexible or shapeable receiving bag for receiving a filling material, having a cavity for fusing the filling material inside with an external vertebral body of the spine; and
the connecting structure is used for connecting the accommodating bag with the spinal nail rod assembly;
after the connecting structure connects the containing bag with the spinal nail rod assembly fixed on the spine, the containing bag is fixed at the surface defect of the vertebral body by the spinal nail rod assembly.
2. The vertebral body repair kit of claim 1 wherein the connection structure is a detachable structure.
3. The vertebral body repair kit of claim 2 wherein the detachable structure comprises a connector; the first end of connecting piece with hold the bag and connect, the connecting piece second end is equipped with and is used for holding the local spread groove of spinal nail stick subassembly, spread groove opening part threaded connection has the jackscrew, the jackscrew be used for with the local of spinal nail stick subassembly compress tightly in the spread groove.
4. The vertebral body repair kit of claim 3 wherein the spinal nail rod assembly comprises:
a fixation rod for placement along the spine; and
pedicle screws for connecting the fixation rod to a plurality of vertebral bodies of the spine;
the connecting groove is used for accommodating the fixing rod, and the jackscrew is used for pressing the fixing rod into the connecting groove.
5. The vertebral body repair kit of claim 3 wherein the connector first end is hooked with the receiving pocket by a hook.
6. The vertebral body repair kit of claim 5, wherein the hook is rotatably disposed on the first end of the connector and comprises a hook portion located outside the connector and a rod portion connected to the hook portion and located inside the connecting groove;
the rod part is used for being locally pushed by the spinal nail rod assembly placed in the connecting groove, so that the hook part and the accommodating bag are hooked, and then the opening is attached to the outside of the connecting piece.
7. The vertebral body repair kit of claim 6 wherein the rod portion is a flexible resilient member having one end pivotally connected to the groove bottom of the connecting groove and the other end abutting the side wall of the connecting groove; the rod part is used for being elastically bent after being locally extruded by the spinal nail rod assembly placed in the connecting groove so as to pry the hook part to enable the opening of the hook part to be attached to the outside of the connecting piece.
8. Vertebral body repair kit according to any of claims 1 to 7, characterized in that the side of the receiving bag remote from the connection structure is provided with a filling opening, which is a collapsible structure.
9. The vertebral body repair kit of any one of claims 1 to 7 wherein the containment bag is an absorbable member.
10. The vertebral body repair kit defined in any one of claims 1-7, wherein the containment bag is a mesh bag and the holes are the mesh openings of the mesh bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221692.3U CN211883993U (en) | 2020-02-27 | 2020-02-27 | Vertebral body repairing kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221692.3U CN211883993U (en) | 2020-02-27 | 2020-02-27 | Vertebral body repairing kit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211883993U true CN211883993U (en) | 2020-11-10 |
Family
ID=73292196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020221692.3U Active CN211883993U (en) | 2020-02-27 | 2020-02-27 | Vertebral body repairing kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211883993U (en) |
-
2020
- 2020-02-27 CN CN202020221692.3U patent/CN211883993U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10285735B2 (en) | Rod reduction device and method of use | |
| TWI221091B (en) | Spine filling device | |
| US20190167438A1 (en) | Expandable vertebral prosthesis | |
| CN211883993U (en) | Vertebral body repairing kit | |
| CN111317598B (en) | Vertebral body repair assembly | |
| US8673007B2 (en) | Implant with insertion device and method | |
| CN204744513U (en) | Passerby is good at centrum before zero notch cervical vertebra | |
| TW201800062A (en) | Connecting rod typed vertebral body expanding and fixing brace and operation tool thereof characterized by making two supporting plates expand or contract. Therefore, when in the contraction state, the implant surgery can be carried out conveniently, and after implantation, the expending angle of the supporting plates can be adjusted | |
| CN207492839U (en) | A kind of bone depresser | |
| CN208511269U (en) | Bone attachment device | |
| JP2007289551A (en) | Bone prosthesis | |
| CN210301308U (en) | Adjustable self-stability lumbosacral segment artificial vertebral body | |
| CN209091589U (en) | A kind of syringe type bone grafting instrument | |
| CN203988510U (en) | Syringe type bone grafting instrument | |
| CN218187043U (en) | Holding and taking expandable intervertebral fusion device mechanical assembly | |
| JP2019531836A (en) | Prosthesis for reconstruction of distal and proximal radioulnar joints | |
| CN219963032U (en) | Cervical vertebra joint resetting device | |
| CN216570289U (en) | Movable support made of peek material | |
| CN109758223B (en) | Minimally invasive surgical instrument using PEEK connecting rod | |
| CN214208464U (en) | Spinal nail rod/hook system capable of being propped open/pressurized in reduction process | |
| CN108324409A (en) | Bone attachment device | |
| CN220442722U (en) | Vertebral body implantation device with expanded metal bracket | |
| CN215458388U (en) | Bone drill for vertebroplasty | |
| CN212574928U (en) | Medullary focus removing device | |
| CN212165872U (en) | Assembly for bone cement vertebral body forming and percutaneous pedicle screw internal fixation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |