CN215228248U - Instrument for joint puncture - Google Patents
Instrument for joint puncture Download PDFInfo
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- CN215228248U CN215228248U CN202121857152.5U CN202121857152U CN215228248U CN 215228248 U CN215228248 U CN 215228248U CN 202121857152 U CN202121857152 U CN 202121857152U CN 215228248 U CN215228248 U CN 215228248U
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Abstract
The utility model discloses an apparatus for joint puncture, which comprises a supporting plate, a medicine injection syringe, a liquid extraction syringe, a fixing component and an injection component, wherein a first placing cavity and a second placing cavity are sequentially arranged in the supporting plate from left to right, the top wall of the first placing cavity is provided with a first placing port, the top wall of the second placing cavity is provided with a second placing port, the medicine injection syringe is slidably arranged in the first placing cavity, the liquid extraction syringe is slidably arranged in the second placing cavity, the side wall of the second placing cavity is provided with a first fixing cavity with an opening on the side wall, the fixing component is slidably arranged in the first fixing cavity, and the injection component is slidably arranged at the lower part of a puncture trocar; the fixed assembly comprises a fixed rod, a limiting ring, a first limiting plate, a limiting column, a fastening spring and a second limiting plate. The utility model relates to the technical field of medical equipment, specifically provide a simple structure, the joint of the reuse layer board of being convenient for is apparatus for puncture.
Description
Technical Field
The utility model relates to the technical field of medical equipment, specifically an apparatus for joint puncture.
Background
The knee joint cavity puncture is commonly used for checking the property of effusion in the joint cavity or injecting medicine into the joint cavity after the effusion is pumped out; for patients with a large amount of effusion in the joint, the needle is inserted into the upper outer edge of the patella to draw the liquid, and then sodium hyaluronate is injected by the way; at present, when the knee joint cavity puncture operation is carried out, the syringes need to be replaced when liquid is drawn and injected, so that the knee receives twice needle inserting, and the needle inserting depth is judged by the experience of doctors, so that certain trouble is caused to the operation, and certain risk is caused to the operation.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming current technical defect, the utility model provides a simple structure, the joint that is convenient for reuse the layer board is apparatus for puncture.
The utility model adopts the following technical scheme: an instrument for joint puncture comprises a supporting plate, a medicine injection syringe, a liquid extraction syringe, a fixing assembly and an injection assembly, wherein a first placing cavity and a second placing cavity are sequentially arranged in the supporting plate from left to right, a first placing opening is formed in the top wall of the first placing cavity, a second placing opening is formed in the top wall of the second placing cavity, the medicine injection syringe is slidably arranged in the first placing cavity, the liquid extraction syringe is slidably arranged in the second placing cavity, a first fixing cavity with an opening on the side wall is formed in the side wall of the second placing cavity, the fixing assembly is slidably arranged in the first fixing cavity, and the injection assembly is slidably arranged at the lower part of a puncture trocar; the fixing component comprises a fixing rod, a limiting ring, a first limiting plate, a limiting post, a fastening spring and a second limiting plate, one end of the fixing rod sequentially penetrates through the side wall of the supporting plate and the side wall of the first placing cavity and is slidably arranged in the first fixing cavity, the first limiting plate is arranged at the other end of the fixing rod, the first limiting plate is slidably arranged on the side wall of the supporting plate, the side wall of the supporting plate is provided with a fastening cavity, the fastening cavity is positioned at the upper part of the first fixing cavity, the fixing rod is provided with a fixing hole, the bottom wall of the first fixing cavity is provided with a fixing groove, the limiting post is slidably arranged in the fastening cavity, the bottom end of the limiting post sequentially penetrates through the bottom wall of the fastening cavity and is slidably arranged in the fixing hole and the fixing groove, the second limiting plate is arranged at the top end of the limiting post, the limiting ring is arranged on the side wall of the limiting post, the limiting ring is slidably arranged in the fastening cavity, and the fastening spring is slidably arranged on the limiting post, one end of the fastening spring is arranged on the limiting ring, the other end of the fastening spring is arranged on the top wall of the fastening cavity, and the fixed rods are arranged on the top ends of the injection syringe and the liquid extraction syringe in a sliding manner; the first chamber diapire of placing is equipped with the first hole that leaves, the second is placed the chamber diapire and is equipped with the second and is holed, the injection subassembly includes syringe needle file, syringe needle, puncture trocar needle file, liquid extraction head, puncture trocar and drawing liquid hose, syringe needle file slides and locates on the end of injection syringe, syringe needle file below is located to the syringe needle, syringe needle file lateral wall is equipped with external screw thread group, be equipped with the screw hole in the puncture trocar needle file, puncture trocar needle file is located on the syringe needle file through threaded connection, puncture trocar rotates and locates puncture trocar needle file below, the syringe needle slides and locates in the puncture trocar, liquid extraction head is located on the puncture trocar lateral wall, drawing liquid hose one end slides and locates on the liquid extraction head, the drawing liquid hose other end slides and locates on the end of drawing liquid.
Further, first limiting plate lateral wall is equipped with first magnet, be equipped with the fixed chamber of lateral wall open-ended second in the layer board lateral wall, the fixed intracavity of second is equipped with second magnet, the fixed intracavity of second is located in the slip of first magnet.
Furthermore, a rubber pad is arranged below the fixing rod, so that the puncture trocar and the injection needle can be conveniently fastened.
Furthermore, a pipe clamp is arranged on the liquid pumping hose.
Furthermore, the side wall of the puncture trocar is provided with scale marks.
Furthermore, the head end of the puncture trocar is provided with a triangular needle head, and the needle head is provided with an oval liquid hole.
Further, all be equipped with the handle on first limiting plate and the second limiting plate.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: according to the joint puncture instrument, the medicine injection injector and the liquid extraction injector are fixed by the joint puncture instrument through the matching of the supporting plate and the fixing assembly, so that the position deviation between the medicine injection injector and the liquid extraction injector is avoided, and the injury to a patient is reduced; the injection assembly realizes that the joint puncture apparatus can continuously inject medicine and extract liquid.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a front view schematic structural diagram of the joint puncture instrument of the present invention;
fig. 2 is a partially enlarged view of a portion a of fig. 1;
fig. 3 is a schematic structural view of a fixing assembly of the joint puncture device of the present invention.
The injection device comprises a support plate 1, a support plate 2, a medicine injection injector, a liquid extraction injector, a fixing component 4, a fixing component 5, an injection component 6, a first placing cavity 7, a second placing cavity 8, a first placing opening 9, a second placing opening 10, a first fixing cavity 11, a fixing rod 12, a limiting ring 13, a first limiting plate 14, a limiting column 15, a fastening spring 16, a second limiting plate 17, a fastening cavity 18, a fixing hole 19, a fixing groove 20, a first outlet hole 21, a second outlet hole 22, an injection needle seat 23, an injection needle 24, a puncture needle seat 25, a liquid extraction head 26, a puncture needle seat 27, a liquid extraction hose 28, a first magnet 29, a second fixing cavity 30, a second magnet 31, a rubber pad 32, a pipe clamp 33, a needle head 34, a liquid hole 35 and a handle.
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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-3, the technical solution adopted by the utility model is as follows: an instrument for joint puncture comprises a supporting plate 1, a medicine injection syringe 2, a liquid extraction syringe 3, a fixing assembly 4 and an injection assembly 5, wherein a first placing cavity 6 and a second placing cavity 7 are sequentially arranged in the supporting plate 1 from left to right, a first placing opening 8 is formed in the top wall of the first placing cavity 6, a second placing opening 9 is formed in the top wall of the second placing cavity 7, the medicine injection syringe 2 is slidably arranged in the first placing cavity 6, the liquid extraction syringe 3 is slidably arranged in the second placing cavity 7, a first fixing cavity 10 with an opening on the side wall of the second placing cavity 7 is formed in the side wall of the second placing cavity 7, the fixing assembly 4 is slidably arranged in the first fixing cavity 10, and the injection assembly 5 is slidably arranged at the lower part of a puncture trocar 26; the fixing component 4 comprises a fixing rod 11, a limiting ring 12, a first limiting plate 13, a limiting post 14, a fastening spring 15 and a second limiting plate 16, one end of the fixing rod 11 sequentially penetrates through the side wall of the supporting plate 1 and the side wall of the first placing cavity 6 and is slidably arranged in the first fixing cavity 10, the first limiting plate 13 is arranged at the other end of the fixing rod 11, the first limiting plate 13 is slidably arranged on the side wall of the supporting plate 1, the side wall of the supporting plate 1 is provided with a fastening cavity 17, the fastening cavity 17 is positioned at the upper part of the first fixing cavity 10, the fixing rod 11 is provided with a fixing hole 18, the bottom wall of the first fixing cavity 10 is provided with a fixing groove 19, the limiting post 14 is slidably arranged in the fastening cavity 17, the bottom end of the limiting post 14 penetrates through the bottom wall of the fastening cavity 17 and is sequentially slidably arranged in the fixing hole 18 and the fixing groove 19, the second limiting plate 16 is arranged at the top end of the limiting post 14, the limiting ring 12 is arranged on the side wall of the limiting post 14, the limiting ring 12 is arranged in a fastening cavity 17 in a sliding manner, the fastening spring 15 is arranged on the limiting column 14 in a sliding manner, one end of the fastening spring 15 is arranged on the limiting ring 12, the other end of the fastening spring 15 is arranged on the top wall of the fastening cavity 17, and the fixing rods 11 are arranged on the top ends of the injection syringe 2 and the liquid extraction syringe 3 in a sliding manner; the bottom wall of the first placing cavity 6 is provided with a first outlet hole 20, the bottom wall of the second placing cavity 7 is provided with a second outlet hole 21, the injection assembly 5 comprises an injection needle hub 22, an injection needle 23, a puncture trocar hub 24, a liquid extraction head 25, a puncture trocar 26 and a liquid extraction hose 27, the needle hub 22 is slidably disposed on the end of the injection syringe 2, the injection needle 23 is disposed below the needle hub 22, the outer side wall of the injection needle seat 22 is provided with an external thread group, the puncture trocar seat 24 is internally provided with a threaded hole, the puncture trocar needle stand 24 is arranged on the injection needle stand 22 through threaded connection, the puncture trocar 26 is arranged below the puncture trocar needle stand 24 in a rotating way, the injection needle 23 is arranged in the puncture trocar 26 in a sliding way, the liquid extraction head 25 is arranged on the side wall of the puncture trocar 26, one end of the liquid-extracting hose 27 is slidably disposed on the liquid-extracting head 25, and the other end of the liquid-extracting hose 27 is slidably disposed on the tail end of the liquid-extracting syringe 3.
The side wall of the first limiting plate 13 is provided with a first magnet 28, the side wall of the supporting plate 1 is provided with a second fixing cavity 29 with an opening on the side wall, the second fixing cavity 29 is provided with a second magnet 30, and the first magnet 28 is slidably arranged in the second fixing cavity 29. A rubber pad 31 is arranged below the fixing rod 11, so that the puncture trocar 26 and the injection needle 23 can be conveniently fastened. The liquid pumping hose 27 is provided with a pipe clamp 32. The side wall of the puncture trocar 26 is provided with scale marks. The head end of the puncture trocar 26 is provided with a triangular needle head 33, and the needle head 33 is provided with an oval liquid hole 34. And the first limiting plate 13 and the second limiting plate 16 are both provided with a handle 35.
When the device is used, the injection syringe 2 and the liquid extraction syringe 3 are respectively placed in the first placing cavity 6 and the second placing cavity 7, the tail ends of the injection syringe 2 and the liquid extraction syringe 3 are respectively placed at the lower part of the supporting plate 1 through the first outlet hole 20 and the second outlet hole 21, the handle 35 of the second limiting plate 16 is pulled manually, the second limiting plate 16 drives the limiting column 14 to move upwards, the top wall of the limiting ring 12 and the top wall of the fastening cavity 17 are matched to compress the fastening spring 15, one end of the fixing rod 11 sequentially penetrates through the side wall of the supporting plate 1 and the side wall of the first placing cavity 6 and is arranged in the first fixing cavity 10 in a sliding manner, the handle 35 of the second limiting plate 16 is loosened manually, the fastening spring 15 is reset, the limiting column 14 slides downwards into the fixing hole 18 and the fixing groove 19, the first magnet 28 slides into the second fixing cavity 29, the first magnet 28 and the second magnet 30 attract each other to fix the fixing rod 11, the fixing rod 11 fixes the injection syringe 2 and the liquid extraction syringe 3, so that the injection syringe 2 and the liquid extraction syringe 3 are prevented from moving randomly, medical workers can conveniently operate the injection syringe 2 and the liquid extraction syringe 3 at the same time, the position deviation between the injection syringe 2 and the liquid extraction syringe 3 cannot occur in the actual operation process, the injection and the liquid extraction can be continuously performed, and the harm to patients is reduced; the injection of the medicine can be realized by matching the injection syringe 2 with the injection needle 23; the liquid-extracting injector 3 can realize the extraction of the accumulated liquid by matching with the puncture trocar 26, the liquid-extracting head 25 and the liquid-extracting hose 27.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An instrument for joint puncture, characterized in that: the injection needle comprises a supporting plate, a medicine injection syringe, a liquid extraction syringe, a fixing assembly and an injection assembly, wherein a first placing cavity and a second placing cavity are sequentially arranged in the supporting plate from left to right, a first placing opening is formed in the top wall of the first placing cavity, a second placing opening is formed in the top wall of the second placing cavity, the medicine injection syringe is slidably arranged in the first placing cavity, the liquid extraction syringe is slidably arranged in the second placing cavity, a first fixing cavity with an opening on the side wall is formed in the side wall of the second placing cavity, the fixing assembly is slidably arranged in the first fixing cavity, and the injection assembly is slidably arranged at the lower part of a puncture trocar; the fixing component comprises a fixing rod, a limiting ring, a first limiting plate, a limiting post, a fastening spring and a second limiting plate, one end of the fixing rod sequentially penetrates through the side wall of the supporting plate and the side wall of the first placing cavity and is slidably arranged in the first fixing cavity, the first limiting plate is arranged at the other end of the fixing rod, the first limiting plate is slidably arranged on the side wall of the supporting plate, the side wall of the supporting plate is provided with a fastening cavity, the fastening cavity is positioned at the upper part of the first fixing cavity, the fixing rod is provided with a fixing hole, the bottom wall of the first fixing cavity is provided with a fixing groove, the limiting post is slidably arranged in the fastening cavity, the bottom end of the limiting post sequentially penetrates through the bottom wall of the fastening cavity and is slidably arranged in the fixing hole and the fixing groove, the second limiting plate is arranged at the top end of the limiting post, the limiting ring is arranged on the side wall of the limiting post, the limiting ring is slidably arranged in the fastening cavity, and the fastening spring is slidably arranged on the limiting post, one end of the fastening spring is arranged on the limiting ring, the other end of the fastening spring is arranged on the top wall of the fastening cavity, and the fixed rods are arranged on the top ends of the injection syringe and the liquid extraction syringe in a sliding manner; the first chamber diapire of placing is equipped with the first hole that leaves, the second is placed the chamber diapire and is equipped with the second and is holed, the injection subassembly includes syringe needle file, syringe needle, puncture trocar needle file, liquid extraction head, puncture trocar and drawing liquid hose, syringe needle file slides and locates on the end of injection syringe, syringe needle file below is located to the syringe needle, syringe needle file lateral wall is equipped with external screw thread group, be equipped with the screw hole in the puncture trocar needle file, puncture trocar needle file is located on the syringe needle file through threaded connection, puncture trocar rotates and locates puncture trocar needle file below, the syringe needle slides and locates in the puncture trocar, liquid extraction head is located on the puncture trocar lateral wall, drawing liquid hose one end slides and locates on the liquid extraction head, the drawing liquid hose other end slides and locates on the end of drawing liquid.
2. An apparatus for joint puncture according to claim 1, characterized in that: the first limiting plate side wall is provided with a first magnet, a second fixing cavity with an opening in the side wall is arranged in the supporting plate side wall, a second magnet is arranged in the second fixing cavity, and the first magnet is arranged in the second fixing cavity in a sliding mode.
3. An apparatus for joint puncture according to claim 1, characterized in that: and a rubber pad is arranged below the fixed rod.
4. An apparatus for joint puncture according to claim 1, characterized in that: and the liquid pumping hose is provided with a pipe clamp.
5. An apparatus for joint puncture according to claim 1, characterized in that: the side wall of the puncture trocar is provided with scale marks.
6. An apparatus for joint puncture according to claim 5, characterized in that: the head end of the puncture trocar is provided with a triangular needle head, and the needle head is provided with an oval liquid hole.
7. An apparatus for joint puncture according to claim 2, characterized in that: and the first limiting plate and the second limiting plate are both provided with handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121857152.5U CN215228248U (en) | 2021-08-10 | 2021-08-10 | Instrument for joint puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121857152.5U CN215228248U (en) | 2021-08-10 | 2021-08-10 | Instrument for joint puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215228248U true CN215228248U (en) | 2021-12-21 |
Family
ID=79497262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121857152.5U Active CN215228248U (en) | 2021-08-10 | 2021-08-10 | Instrument for joint puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215228248U (en) |
-
2021
- 2021-08-10 CN CN202121857152.5U patent/CN215228248U/en active Active
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