CN221331411U - Transpedicular bone cement interbody fusion instrument - Google Patents
Transpedicular bone cement interbody fusion instrument Download PDFInfo
- Publication number
- CN221331411U CN221331411U CN202420208056.5U CN202420208056U CN221331411U CN 221331411 U CN221331411 U CN 221331411U CN 202420208056 U CN202420208056 U CN 202420208056U CN 221331411 U CN221331411 U CN 221331411U
- Authority
- CN
- China
- Prior art keywords
- bone cement
- outer sleeve
- pushing
- transpedicular
- interbody fusion
- 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
- 239000002639 bone cement Substances 0.000 title claims abstract description 72
- 230000004927 fusion Effects 0.000 title claims abstract description 26
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims 1
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000008733 trauma Effects 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The utility model discloses a transpedicular bone cement interbody fusion instrument, which comprises a working sleeve (1), a bone cement pushing and injecting assembly (2) and a bone cement pushing rod (3), wherein a working channel (4) matched with the bone cement pushing and injecting assembly (2) is arranged in the working sleeve (1), the bone cement pushing and injecting assembly (2) comprises an outer sleeve (5), a pushing piece (6) is arranged at the end part of the outer sleeve (5), and the bone cement pushing rod (3) is arranged in the inner cavity of the outer sleeve (5) in a penetrating mode; the propelling piece (6) comprises an elastic hose (7) connected with the outer sleeve (5), a hollow tap (8) is arranged at the end part of the elastic hose (7), and a bone cement pushing hole (9) communicated with the inner cavity of the hollow tap (8) is arranged at the front end of the hollow tap; the utility model sequentially reaches the intervertebral space and the upper vertebral body through the puncture from the vertebral pedicle of the lower vertebral body, and the bone cement can be injected after the puncture is completed, so that the trauma is small and the fusion is exact.
Description
Technical Field
The utility model relates to the field of medical appliances, in particular to a transpedicular bone cement interbody fusion instrument.
Background
The old person is because lumbar vertebra retrogressive disease is through the invalid lumbar vertebra fusion art that need go on of conservative treatment, and traditional lumbar vertebra fusion art is because needs use pedicle of vertebral arch screw and fusion ware, and is not only traumatic big, and later stage has risks such as screw and fusion ware are not hard up moreover, along with medical technology's development, the purpose that can reach the wicresoft through bone cement interbody fusion and avoid screw, fusion ware not hard up drawback now.
Disclosure of utility model
The utility model aims to provide a transpedicular bone cement interbody fusion instrument. The utility model sequentially reaches the intervertebral space and the upper vertebral body through the puncture from the vertebral pedicle of the lower vertebral body, and the bone cement can be injected after the puncture is completed, so that the trauma is small and the fusion is exact.
The technical scheme of the utility model is as follows: the device comprises a working sleeve, a bone cement pushing and injecting assembly and a bone cement pushing rod, wherein a working channel matched with the bone cement pushing and injecting assembly is arranged in the working sleeve; the propelling piece comprises an elastic hose connected with the outer sleeve, a hollow tap is arranged at the end part of the elastic hose, and a bone cement pushing hole communicated with the inner cavity of the hollow tap is formed in the front end of the hollow tap.
In the above-mentioned transpedicular bone cement interbody fusion instrument, the propulsion piece includes the stereoplasm straight tube of being connected with the outer tube, the hollow screw tap sets up in stereoplasm straight tube tip.
In the transpedicular bone cement interbody fusion instrument, the end part of the outer sleeve is provided with internal threads, and the elastic hose and the hard straight tube are provided with threaded columns matched with the internal threads.
In the transpedicular bone cement interbody fusion instrument, the bone cement pushing holes are formed in a plurality of parts and are annularly and uniformly distributed at the front end of the hollow tap.
In the aforementioned transpedicular cement interbody fusion instrument, the inner diameter of the working channel is greater than the inner diameter of the outer cannula and the inner diameter of the pusher member.
In the transpedicular bone cement interbody fusion instrument, the end part of the bone cement push rod is provided with a holding handle.
Compared with the prior art, the bone cement pushing injection assembly comprises an outer sleeve, wherein a pushing piece is arranged at the end part of the outer sleeve, and the bone cement pushing rod is arranged in the inner cavity of the outer sleeve in a penetrating way; the propelling piece comprises an elastic hose connected with the outer sleeve, a hollow tap is arranged at the end part of the elastic hose, and a bone cement pushing hole communicated with the inner cavity of the hollow tap is arranged at the front end of the hollow tap; when the injection device is used, firstly, the operation sleeve penetrates through the pedicle of the lower vertebral body to reach the upper vertebral body, then, the bone cement injection assembly is arranged in the operation channel to inject bone cement, when the injection position needs to be changed, a side channel for guiding the pushing member is arranged from the side part of the vertebral body, the pushing member advances by means of the hollow tap, meanwhile, the pushing member can reach the designated position along the side channel through the bending of the elastic hose, at the moment, bone cement is injected into the outer sleeve and pushed by the bone cement push rod, and the bone cement is sequentially pushed out of the bone cement push hole through the inner cavities of the outer sleeve, the elastic hose and the hollow tap to realize injection; the working sleeve at a single position can realize channels in multiple directions by bending the elastic hose, the elastic hose can be controlled according to the needs of the patients to realize more accurate bone cement injection, and accurate and effective bone cement fusion is completed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a bone cement bolus assembly of the present utility model;
FIG. 3 is a schematic view of the structure of the propulsion member of the present utility model;
Fig. 4 is a schematic structural view of a rigid straight tube propulsion member of the present utility model.
The marks in the drawings are: 1-working sleeve; 2-bone cement bolus assembly; 3-bone cement push rod; 4-working channel; 5-an outer sleeve; 6-pushing member; 7-an elastic hose; 8-a hollow tap; 9-bone cement pushing holes; 10-a hard straight pipe; 11-a threaded post; 12-grip handles.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples: the device comprises a working sleeve 1, a bone cement pushing assembly 2 and a bone cement pushing rod 3, wherein the bone cement pushing rod is a rod-shaped body made of alloy materials, the working sleeve is a bolt-shaped alloy body, threads are arranged on the outer surface of the working sleeve and used for further advancing drilling and fixing, a working channel 4 matched with the bone cement pushing assembly 2 is arranged in the working sleeve 1 and used for accommodating the bone cement pushing assembly to work, the bone cement pushing assembly 2 comprises an outer sleeve 5, a pushing piece 6 is detachably connected to the end part of the outer sleeve 5, the inner cavity of the outer sleeve 5 is matched with the bone cement pushing rod 3, and bone cement can be pushed to flow in the inner cavity of the outer sleeve when being pushed inwards; as shown in fig. 3, the pushing member 6 includes an elastic hose 7 connected to the outer sleeve 5, the elastic hose 7 is made of silica gel material, and has a certain elasticity while being bendable, so as to facilitate rapid recovery, the end of the elastic hose 7 is equipped with a hollow tap 8, the hollow tap is an alloy wire cone with an inner cavity, the front end of the hollow tap 8 is provided with a bone cement pushing hole 9 communicated with the inner cavity, and the pushed bone cement flows out from the inner cavity of the hollow tap through the bone cement pushing hole; as shown in fig. 4, the pushing member 6 includes a rigid straight tube 10 connected to the outer sleeve 5, the hollow tap 8 is disposed at an end of the rigid straight tube 10, the bone cement pushing hole 9 is disposed on a side surface of the rigid straight tube 10, the rigid straight tube is an alloy tube body, and the pushing member of the rigid straight tube can be used for injecting bone cement in a straight channel; the end part of the outer sleeve 5 is provided with an internal thread, the elastic hose 7 and the hard straight pipe 10 are integrally formed with a threaded column 11 matched with the internal thread, and the threaded column is convenient to detach and replace and has the characteristic of good stability in threaded matching; the bone cement pushing holes 9 are arranged in a plurality, and are uniformly distributed at the front end of the hollow tap 8 in a ring shape, so that bone cement can be pushed and injected in a target area; the inner diameter of the working channel 4 is larger than the inner diameter of the outer sleeve 5 and the inner diameter of the propelling piece 6, and the inner diameter difference is 1-2mm, so that the outer sleeve and the propelling piece can conveniently extend in; the end of the bone cement push rod 3 is provided with a C-shaped holding handle 12, which is convenient for a user to hold.
Working principle: when the lower vertebral pedicle channel is completed and enters 1/2 of the vertebral body, the working sleeve is placed, the elastic hose can be bent when the hollow tap abuts against cancellous bone in the vertebral body, the vertebral body is tapped by the hollow tap, the tapping path is confirmed by using a C-arm machine in a perspective manner until the hollow tap reaches the target area of the upper vertebral body from the lower vertebral body, bone cement is injected into the outer sleeve, and the bone cement is pushed out of the bone cement pushing hole through the inner cavities of the outer sleeve, the elastic hose and the hollow tap in sequence to realize injection; the bone cement pushing and injecting assembly is used for pushing and injecting bone cement and withdrawing the bone cement until the bone cement is dispersed in the upper vertebral body, the intervertebral space and the lower vertebral body; the working sleeve at a single position can realize channels in multiple directions by bending the elastic hose, the elastic hose can be controlled according to the needs of the patients to realize more accurate bone cement injection, and accurate and effective bone cement fusion is completed.
The above examples only show embodiments of the present utility model, which are described in more detail and detail, but are not to be construed as limiting the scope of the utility model, and in the present examples, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (6)
1. The utility model provides a transpedicular bone cement interbody fusion apparatus, includes work sleeve (1), bone cement push away annotates subassembly (2) and bone cement push rod (3), has in work sleeve (1) and pushes away work channel (4) of annotating subassembly (2) looks adaptation, its characterized in that: the bone cement pushing injection assembly (2) comprises an outer sleeve (5), a pushing piece (6) is arranged at the end part of the outer sleeve (5), and the bone cement push rod (3) is arranged in the inner cavity of the outer sleeve (5) in a penetrating mode; the propelling piece (6) comprises an elastic hose (7) connected with the outer sleeve (5), a hollow tap (8) is arranged at the end part of the elastic hose (7), and a bone cement pushing hole (9) communicated with the inner cavity of the hollow tap (8) is formed in the front end of the hollow tap.
2. A transpedicular cement interbody fusion instrument as set forth in claim 1, wherein: the propelling piece (6) comprises a hard straight pipe (10) connected with the outer sleeve (5), and the hollow tap (8) is arranged at the end part of the hard straight pipe (10).
3. A transpedicular cement interbody fusion instrument as set forth in claim 2, wherein: the end part of the outer sleeve (5) is provided with an internal thread, and threaded columns (11) matched with the internal thread are arranged on the elastic hose (7) and the hard straight pipe (10).
4. A transpedicular cement interbody fusion instrument as set forth in claim 1, wherein: the bone cement pushing holes (9) are formed in a plurality of parts, and are uniformly distributed at the front end of the hollow tap (8) in a ring shape.
5. A transpedicular cement interbody fusion instrument as set forth in claim 1, wherein: the inner diameter of the working channel (4) is larger than the inner diameter of the outer sleeve (5) and the inner diameter of the pushing piece (6).
6. A transpedicular cement interbody fusion instrument as set forth in claim 1, wherein: the end part of the bone cement push rod (3) is provided with a holding handle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420208056.5U CN221331411U (en) | 2024-01-29 | 2024-01-29 | Transpedicular bone cement interbody fusion instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420208056.5U CN221331411U (en) | 2024-01-29 | 2024-01-29 | Transpedicular bone cement interbody fusion instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221331411U true CN221331411U (en) | 2024-07-16 |
Family
ID=91840040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420208056.5U Active CN221331411U (en) | 2024-01-29 | 2024-01-29 | Transpedicular bone cement interbody fusion instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221331411U (en) |
-
2024
- 2024-01-29 CN CN202420208056.5U patent/CN221331411U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103143104B (en) | Bone filler conveying cannula with adjustable bending angle | |
| US6547561B2 (en) | Disposable anesthesia delivery system with shortened outer sleeve and inner hollow drill | |
| KR102031325B1 (en) | Apparatus and methods for aspirating tissue | |
| CN2882555Y (en) | Spiral bone cement propeller | |
| CN102784434A (en) | Bone filler conveying sleeve | |
| CN206675592U (en) | A kind of neck of femur puts nail servicing unit | |
| CN221331411U (en) | Transpedicular bone cement interbody fusion instrument | |
| CN109124752A (en) | A kind of vertebral column minimally invasive Cement fixation device assembly | |
| CN113040966A (en) | Implantable pressure-controllable micro-balloon small animal spinal nerve compression device | |
| CN209122412U (en) | A kind of guide type bone cement propeller and combinations thereof | |
| CN204797965U (en) | Centrum fracture percutaneous puncture cannula device | |
| CN202086546U (en) | Bone marrow puncture biopsy needle | |
| CN209004164U (en) | A kind of more position microtraumatic bone-grafting devices | |
| CN203090181U (en) | Bone filler conveyor cannula with adjustable bending angle | |
| CN108355202A (en) | A kind of portable anestetic needle | |
| CN214017646U (en) | Disposable safe hair-planting needle head | |
| CN209332248U (en) | A kind of vertebral column minimally invasive Cement fixation device assembly | |
| CN203852417U (en) | Pedicle screw sleeve | |
| ES276123U (en) | Improvement to surgical equipment | |
| CN201775671U (en) | Instrument for percutaneous kyphoplasty (PKP) | |
| CN219700034U (en) | Spiral centrum drill for percutaneous vertebroplasty | |
| CN213787721U (en) | Upper thoracic vertebroplasty device | |
| CN202740607U (en) | Gradual expansion tube with detachable handle | |
| CN213075884U (en) | Kirschner wire placement guiding positioner | |
| CN221535389U (en) | Uterine cavity injection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |