CN220558079U - High-precision bone cement injection gun - Google Patents
High-precision bone cement injection gun Download PDFInfo
- Publication number
- CN220558079U CN220558079U CN202320011399.8U CN202320011399U CN220558079U CN 220558079 U CN220558079 U CN 220558079U CN 202320011399 U CN202320011399 U CN 202320011399U CN 220558079 U CN220558079 U CN 220558079U
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- China
- Prior art keywords
- bone cement
- injection
- main body
- proximal end
- rack
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- 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.)
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- 238000002347 injection Methods 0.000 title claims abstract description 49
- 239000007924 injection Substances 0.000 title claims abstract description 49
- 239000002639 bone cement Substances 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 210000005036 nerve Anatomy 0.000 abstract description 5
- 208000037819 metastatic cancer Diseases 0.000 description 4
- 208000011575 metastatic malignant neoplasm Diseases 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007674 radiofrequency ablation Methods 0.000 description 2
- 210000001032 spinal nerve Anatomy 0.000 description 2
- 208000018240 Bone Marrow Failure disease Diseases 0.000 description 1
- 206010065553 Bone marrow failure Diseases 0.000 description 1
- 208000004404 Intractable Pain Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010029174 Nerve compression Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 206010033892 Paraplegia Diseases 0.000 description 1
- 206010034156 Pathological fracture Diseases 0.000 description 1
- 208000005250 Spontaneous Fractures Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001926 lymphatic effect Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 208000011581 secondary neoplasm Diseases 0.000 description 1
- 208000037959 spinal tumor Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005909 tumor killing Effects 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a high-precision bone cement injection gun, which comprises: a main body; the liquid storage barrel is detachably arranged at the top of the main body; the liquid storage barrel is detachably arranged at the top of the main body; a syringe fixedly disposed at a proximal end of the body; an injection needle fixedly disposed at a proximal end of the syringe barrel; the connecting pipe is arranged at the bottom end of the liquid storage cylinder and at the far end of the injection cylinder; the liquid feeding mechanism is arranged in the main body; the liquid feeding mechanism comprises: a piston slidably disposed within the syringe barrel; the filling quantity and the filling rate of the bone cement can be accurately controlled by arranging the gear and the rack, so that the nerve of a patient is prevented from being pressed; the bone cement filling device is also provided with a connecting pipe and a liquid storage barrel, so that bone cement can be filled conveniently.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a high-precision bone cement injection gun.
Background
Spinal metastatic cancer refers to other malignant tumors which are primary outside bones, and are transferred to the spinal column through blood circulation, lymphatic circulation or direct diffusion and the like, and continue to grow to form secondary tumor focus. Metastatic cancer damages spine bone, causes vertebral segment collapse and spinal nerve compression, and further causes intractable pain, bone marrow failure, pathological fracture, paraplegia and other complications, and seriously affects the life quality and life cycle of patients. The incidence rate of the spinal metastatic cancer is far higher than that of the primary malignant spinal tumor, and the spinal metastatic cancer has higher disability rate and death rate and seriously damages human health.
The common treatment method at present is to treat by radio frequency ablation operation, after tumor killing, bone cement filling is needed to be carried out on the affected part, the filling quantity and the filling rate of the existing filling device cannot be controlled, and the spinal nerves of a patient are easy to be pressed during filling, so that the nerves of the patient are damaged.
Therefore, the high-precision bone cement injection gun provided by the utility model can accurately control the filling quantity and the filling rate of bone cement and avoid the compression of nerves of a patient.
Disclosure of Invention
The utility model aims to provide a high-precision bone cement injection gun aiming at the defects in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a high precision bone cement injection gun comprising:
a main body;
the liquid storage barrel is detachably arranged at the top of the main body;
a syringe fixedly disposed at a proximal end of the body;
an injection needle fixedly disposed at a proximal end of the syringe barrel;
the connecting pipe is arranged at the bottom end of the liquid storage cylinder and at the far end of the injection cylinder; and
the liquid feeding mechanism is arranged in the main body.
Further, the liquid feeding mechanism comprises:
a piston slidably disposed within the syringe barrel;
a rack fixedly disposed at a proximal end of the piston, the proximal end of the rack extending into the interior of the body;
a gear which is disposed in meshing engagement with the lower portion of the rack; and
the motor is fixedly arranged in the main body, and the output end of the motor is fixedly connected with the center of the gear.
Further, the method further comprises the following steps:
the controller is fixedly arranged at the proximal end of the main body, and the outer side wall of the controller is provided with threads.
Further, the controller is electrically connected with a power supply.
Further, the motor is electrically connected with the controller.
Further, the connection parts of the injection needle and the connecting pipe and the far end of the injection cylinder are provided with one-way valves.
Further, the outer side wall of the injection cylinder is provided with scale marks.
Compared with the prior art, the utility model has the following technical effects:
according to the high-precision bone cement injection gun, due to the arrangement of the gear and the rack, the filling quantity and the filling rate of bone cement can be accurately controlled, and the nerve of a patient is prevented from being pressed; the bone cement filling device is also provided with a connecting pipe and a liquid storage barrel, so that bone cement can be filled conveniently.
Drawings
FIG. 1 is a schematic view of a bone cement injection gun according to the present utility model;
FIG. 2 is a schematic view showing the internal structure of the bone cement injection gun according to the present utility model;
wherein, the reference numerals include:
a main body 1; a controller 2; a liquid storage cylinder 3; a syringe 4; an injection needle 5; a connecting pipe 6; a piston 7; a rack 8; a gear 9; a motor 10.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Examples
Referring to fig. 1, the high-precision bone cement injection gun of the present embodiment includes:
the body 1 is provided with a plurality of grooves,
a liquid storage barrel 3, wherein the liquid storage barrel 3 is detachably arranged at the top of the main body 1;
a syringe 4, the syringe 4 being fixedly provided at a proximal end of the main body 1;
an injection needle 5, the injection needle 5 being fixedly arranged at a proximal end of the injection cylinder 5;
the connecting pipe 6 is arranged at the bottom end of the liquid storage barrel 3 and at the far end of the injection barrel 4; and
and the liquid feeding mechanism is arranged in the main body 1.
Referring to fig. 2, the liquid feeding mechanism includes: a piston 7, wherein the piston 7 is slidably disposed inside the syringe 4; a rack 8, the rack 8 being fixedly provided at a proximal end of the piston 7, the proximal end of the rack 8 extending into the interior of the body 1; a gear 9, wherein the gear 9 is arranged at the lower part of the rack 8 in a meshing manner; the motor 10 is fixedly arranged in the main body 1, and the output end of the motor 10 is fixedly connected with the center of the gear 9; further comprises: a controller 2, wherein the controller 2 is fixedly arranged at the proximal end of the main body 1, and the outer side wall of the controller 2 is provided with threads; the controller 2 is electrically connected with a power supply; the motor 10 is electrically connected with the controller 2; the connection parts of the injection needle 5 and the far end of the connecting pipe 6 and the injection cylinder 4 are provided with one-way valves; the outer side wall of the injection cylinder 4 is provided with scale marks.
As a preferred embodiment, the motor 10 is of model 57ZWS.
As a preferred embodiment, the controller 2 is of the type WKBC170-30.
When in use, firstly, the radio frequency ablation needle is inserted into an affected part of a patient to eliminate tumors, then the injection needle 5 is inserted into the affected part along the channel of the ablation needle, and the device is fixed through threads outside the controller 2; the motor 10 is controlled by the controller 2 to rotate clockwise, so that the gear 9 drives the rack 8 to move towards the inside of the main body 1, the piston 7 moves along with the rack, negative pressure is generated in the injection cylinder 3, bone cement in the liquid storage cylinder 3 is sucked into the injection cylinder 4 through the connecting pipe 6, and the injection quantity of the bone cement can be controlled through the scale outside the injection cylinder 4; after the suction is finished, the motor 10 is made to rotate reversely, the piston 7 is driven to move reversely, bone cement in the injection cylinder 4 is injected into an affected part through the injection needle 5, the injection rate of the bone cement can be controlled by controlling the rotating speed of the motor 10, and the check valve can prevent the bone cement from flowing reversely.
In summary, the high-precision bone cement injection gun provided by the utility model can accurately control the filling quantity and the filling rate of bone cement by arranging the gear 9 and the rack 8, so that the nerve of a patient is prevented from being pressed; the bone cement filling device is also provided with a connecting pipe 6 and a liquid storage barrel 3, so that bone cement can be conveniently filled.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (6)
1. A high precision bone cement injection gun, comprising:
a main body (1),
the liquid storage barrel (3) is detachably arranged at the top of the main body (1);
a syringe (4), the syringe (4) being fixedly arranged at the proximal end of the main body (1);
an injection needle (5), the injection needle (5) being fixedly arranged at the proximal end of the injection cylinder (4);
the connecting pipe (6) is arranged at the bottom end of the liquid storage cylinder (3) and at the far end of the injection cylinder (4); and
go up liquid mechanism, go up liquid mechanism set up in the inside of main part (1), go up liquid mechanism includes: a piston (7), wherein the piston (7) is slidably arranged inside the injection cylinder (4);
a rack (8), the rack (8) being fixedly arranged at the proximal end of the piston (7), the proximal end of the rack (8) extending into the interior of the body (1);
a gear (9), wherein the gear (9) is arranged at the lower part of the rack (8) in a meshing manner; and
the motor (10), motor (10) set up fixedly in the inside of main part (1), the output of motor (10) with the center fixed connection of gear (9).
2. The high precision bone cement injection gun of claim 1, further comprising:
the controller (2) is fixedly arranged at the proximal end of the main body (1), and threads are arranged on the outer side wall of the controller (2).
3. The high precision bone cement injection gun according to claim 2, characterized in that the controller (2) is electrically connected to a power source externally.
4. The high precision bone cement injection gun according to claim 2, characterized in that the motor (10) is electrically connected with the controller (2).
5. The high-precision bone cement injection gun according to claim 1, characterized in that the connection of the injection needle (5) and the connecting tube (6) with the distal end of the injection tube (4) is provided with a one-way valve.
6. The high precision bone cement injection gun according to claim 1, characterized in that the outer side wall of the injection cylinder (4) is provided with graduation marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320011399.8U CN220558079U (en) | 2023-01-04 | 2023-01-04 | High-precision bone cement injection gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320011399.8U CN220558079U (en) | 2023-01-04 | 2023-01-04 | High-precision bone cement injection gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220558079U true CN220558079U (en) | 2024-03-08 |
Family
ID=90092379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320011399.8U Active CN220558079U (en) | 2023-01-04 | 2023-01-04 | High-precision bone cement injection gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220558079U (en) |
-
2023
- 2023-01-04 CN CN202320011399.8U patent/CN220558079U/en active Active
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