CN215425040U - Bone cement injection device for percutaneous vertebroplasty - Google Patents
Bone cement injection device for percutaneous vertebroplasty Download PDFInfo
- Publication number
- CN215425040U CN215425040U CN202121955435.3U CN202121955435U CN215425040U CN 215425040 U CN215425040 U CN 215425040U CN 202121955435 U CN202121955435 U CN 202121955435U CN 215425040 U CN215425040 U CN 215425040U
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- CN
- China
- Prior art keywords
- bone cement
- working sleeve
- hollow pipeline
- injection device
- push rod
- 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.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 42
- 239000007924 injection Substances 0.000 title claims abstract description 42
- 239000002639 bone cement Substances 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 19
- 238000009987 spinning Methods 0.000 claims description 9
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 208000020307 Spinal disease Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model discloses a bone cement injection device for percutaneous vertebroplasty, which comprises a working sleeve, wherein the working sleeve is arranged into a cylindrical structure, the interior of the working sleeve is set to be in a hollow state, the interior of the working sleeve is provided with an injection cylinder, the upper end of the injection cylinder is provided with a fixed external thread, the top end of the fixed external thread is provided with a self-rotating internal thread, two ends of the self-rotating internal thread are respectively provided with a second hollow pipeline, the outer side of the working sleeve is provided with a threaded push rod, the bottom end of the second hollow pipeline is provided with a third hollow pipeline, the utility model has simple structure and convenient use, is fixed on the working sleeve after the injection device is assembled, remotely starts the motor, thereby driving the screw thread push rod to rotate, and the push rod can automatically finish injection downwards with the help of the guide rail structure. The utility model can help doctors to complete operation more conveniently and quickly.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a bone cement injection device for percutaneous vertebroplasty.
Background
Bone cement is a common name of bone cement, is a medical material used for orthopedic surgery, and has a popular name due to partial physical properties and appearance and properties after solidification rather like white cement for building and decoration. Vertebral compression fracture VCF, a common spinal disorder, is currently treated with percutaneous vertebroplasty PVP. Bone cement is injected into the damaged vertebral body under the guidance of X-rays, thereby restoring the stability of the compressed vertebral body. The operation type operation has small wound, can relieve the pain of a patient in a short time, recover the normal function of the patient and reduce the hospitalization time of the patient, but in the operation process, medical staff needs to manually inject bone cement to come and go between an operating table and a lead plate, the operation time is increased while the operation is inconvenient, and the efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bone cement injection device for percutaneous vertebroplasty, which solves the problems that medical staff need to manually inject bone cement in the operation process, the operation is inconvenient, the operation time is increased, the efficiency is low and the like in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a bone cement injection device for percutaneous vertebroplasty, comprising a working cannula, characterized in that: the utility model discloses a hollow pipeline, including work sleeve pipe, fixed internal thread, installation self-tapping screw thread, installation self-screwing internal thread, installation injection cylinder, installation self-screwing internal thread, installation second hollow pipeline, installation screw thread push rod, installation third hollow pipeline, installation guide rail is set up on the top of screw thread push rod.
Preferably, the top end of the spinning internal thread is provided with a motor device, the left side of the motor device is provided with a power supply module, the right side of the motor device is provided with a mounting circuit board, and the upper end of the circuit board is provided with a mounting signal receiver.
Preferably, the signal receiver is configured to have a form of a kit, and the signal receiver is configured to be connected to a remote controller.
Preferably, the first hollow pipeline, the second hollow pipeline and the third hollow pipeline are respectively provided with corresponding structures.
Preferably, the working sleeve is provided in a cylindrical structure, and the inside of the working sleeve is provided in a hollow state.
Preferably, the threaded push rod is arranged to be connected to the motor means by a spinning internal thread.
Compared with the prior art, the utility model provides a bone cement injection device for percutaneous vertebroplasty, which has the following beneficial effects:
the utility model relates to a bone cement injection device for percutaneous vertebroplasty, the device can set up to fix on some support frame frameworks, according to actual requirement say that bone cement carries out such as work, be provided with remote controller device simultaneously, realized the injection of remote control bone cement, simultaneously can also accurate control bone cement's injection volume, the utility model simple structure, convenient to use, after having assembled injection device, be fixed in the work sleeve pipe, the remote start motor to drive the rotation of screw thread push rod, under the help of guide rail structure, the push rod can accomplish the injection into downwards automatically, can help the doctor to accomplish the operation more conveniently and fast.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
FIG. 1 is a schematic structural view of a bone cement injection device for percutaneous vertebroplasty according to the present invention;
FIG. 2 is a schematic structural view of an injection cylinder device according to the present invention;
FIG. 3 is a schematic structural diagram of a push rod device according to the present invention;
FIG. 4 is a schematic structural diagram of a track device according to the present invention;
FIG. 5 is a schematic view of a push rod spin configuration proposed by the present invention;
FIG. 6 is a schematic structural diagram of a remote control device according to the present invention;
in the figure: 1. fixing the internal thread; 2. a first hollow conduit; 3. a working sleeve; 4. self-tapping threads; 5. spinning the internal thread; 6. a second hollow conduit; 7. fixing the external thread; 8. an injection cylinder; 9. a third hollow conduit; 10. a threaded push rod; 11. a guide rail; 12. a power supply module; 13. a motor device; 14. a signal receiver; 15. a circuit board; 16. and a remote controller.
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.
Referring to fig. 1-5, the present invention provides a technical solution:
a bone cement injection device for percutaneous vertebroplasty comprises a working sleeve 3, wherein the working sleeve 3 is of a cylindrical structure, the interior of the working sleeve 3 is hollow, first hollow pipelines 2 are arranged on the left side and the right side of the top end of the working sleeve 3, self-tapping threads 4 are arranged at the bottom end of the working sleeve 3, fixed internal threads 1 are arranged at the middle position of the first hollow pipelines 2, an injection cylinder 8 is arranged in the working sleeve 3, fixed external threads 7 are arranged at the upper end of the injection cylinder 8, self-spinning internal threads 5 are arranged at the top end of the fixed external threads 7, second hollow pipelines 6 are respectively arranged at the two ends of the self-spinning internal threads 5, a mounting thread push rod 10 is arranged on the outer side of the working sleeve 3, the thread push rod 10 is connected to a motor device 13 through the self-spinning internal threads 5, the bottom of second hollow pipeline 6 sets up installation third hollow pipeline 9, first hollow pipeline 2, second hollow pipeline 6 and third hollow pipeline 9 set up to corresponding structure respectively, the top of screw thread push rod 10 sets up installation guide rail 11, the top of spin internal thread 5 sets up installation motor device 13, motor device 13's left side sets up installation power module 12, motor device 13's right side sets up installation circuit board 15, the upper end of circuit board 15 sets up installation signal receiver 14, signal receiver 14 sets up to have the corollary equipment form, just signal receiver 14 sets up and connects in remote controller 16.
The utility model relates to a bone cement injection device for percutaneous vertebroplasty, the device can set up to fix on some support frame frameworks, according to actual requirement say that bone cement carries out such as work, be provided with remote controller 16 devices simultaneously, realized the injection of remote control bone cement, the injection volume of simultaneously also can accurate control bone cement, the utility model is simple in structure, convenient to use, after the injection device has been assembled, be fixed in the work sleeve pipe, the remote start motor, thereby drive the rotation of screw thread push rod, under the help of guide rail structure, the push rod can accomplish the injection downwards automatically, can help the doctor to accomplish the operation more conveniently and fast.
The working principle and the using process of the utility model are as follows: after the utility model is taken, the structure of each part can be used after the structure of each part is recognized by observing each structure of the utility model. When the bone cement injection device is used, the working sleeve is fixed in a vertebral body by virtue of self-tapping threads 4, after the bone cement is prepared, the bone cement is injected into the injection cylinder 8, the threaded push rod 10 is screwed into the injection device to rotate by a proper depth in the internal spinning thread 5, then the injection cylinder 8 is inserted into the working sleeve 3, the fixed external thread 7 is screwed into the fixed internal thread 1 to fix the injection device, the three handles are adjusted to keep the same plane and the guide rail 11 is inserted along the hollow channel, after the preparation is finished, an operator can remotely control the starting device of the remote controller 16, the motor device 13 works to drive the threaded push rod 10 to rotate, and under the help of the structure of the guide rail 11, the threaded push rod 10 can automatically and downwards complete the injection work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A bone cement injection device for percutaneous vertebroplasty, comprising a working cannula (3), characterized in that: the left side and the right side of the top end of the working sleeve (3) are provided with a first hollow pipeline (2), the bottom end of the working sleeve (3) is provided with a self-tapping thread (4), the middle position of the first hollow pipeline (2) is provided with a fixed internal thread (1), an injection cylinder (8) is arranged in the working sleeve (3), an installation and fixing external thread (7) is arranged at the upper end of the injection cylinder (8), the top end of the fixed external thread (7) is provided with a self-rotating internal thread (5), two ends of the spinning internal thread (5) are respectively provided with a second hollow pipeline (6), the outer side of the working sleeve (3) is provided with a mounting threaded push rod (10), the bottom end of the second hollow pipeline (6) is provided with a mounting third hollow pipeline (9), and the top end of the threaded push rod (10) is provided with a mounting guide rail (11).
2. A bone cement injection device for percutaneous vertebroplasty according to claim 1, wherein: the top of spin internal thread (5) sets up installation motor device (13), the left side of motor device (13) sets up installation power module (12), the right side of motor device (13) sets up installation circuit board (15), the upper end of circuit board (15) sets up installation signal receiver (14).
3. A bone cement injection device for percutaneous vertebroplasty according to claim 2, wherein: the signal receiver (14) is configured to have a form of a kit, and the signal receiver (14) is configured to be connected to a remote controller (16).
4. A bone cement injection device for percutaneous vertebroplasty according to claim 1, wherein: the first hollow pipeline (2), the second hollow pipeline (6) and the third hollow pipeline (9) are respectively arranged to be of corresponding structures.
5. A bone cement injection device for percutaneous vertebroplasty according to claim 1, wherein: the working sleeve (3) is of a cylindrical structure, and the interior of the working sleeve (3) is hollow.
6. A bone cement injection device for percutaneous vertebroplasty according to claim 1, wherein: the threaded push rod (10) is connected to the motor device (13) through the spinning internal thread (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955435.3U CN215425040U (en) | 2021-08-19 | 2021-08-19 | Bone cement injection device for percutaneous vertebroplasty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121955435.3U CN215425040U (en) | 2021-08-19 | 2021-08-19 | Bone cement injection device for percutaneous vertebroplasty |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215425040U true CN215425040U (en) | 2022-01-07 |
Family
ID=79695006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121955435.3U Expired - Fee Related CN215425040U (en) | 2021-08-19 | 2021-08-19 | Bone cement injection device for percutaneous vertebroplasty |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215425040U (en) |
-
2021
- 2021-08-19 CN CN202121955435.3U patent/CN215425040U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |