CN216061546U - Combined injection device - Google Patents
Combined injection device Download PDFInfo
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- CN216061546U CN216061546U CN202120485784.7U CN202120485784U CN216061546U CN 216061546 U CN216061546 U CN 216061546U CN 202120485784 U CN202120485784 U CN 202120485784U CN 216061546 U CN216061546 U CN 216061546U
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- bottle
- piston
- injection device
- sleeve
- needle
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Abstract
The utility model discloses a combined injection device, which comprises a push rod, a medicine cartridge and a needle head, wherein the push rod comprises a sleeve and a shaft rod, the shaft rod penetrates through the sleeve and is in sliding connection with the sleeve, the end part of the sleeve is movably connected with one end of the medicine cartridge, the medicine cartridge comprises a cartridge bottle with openings at two ends, a piston is arranged in one end of the cartridge bottle and is movably connected with the end part of the shaft rod, the other end of the cartridge bottle is packaged, the needle head is a double-ended needle, the double-ended needle is inserted into the package and is communicated with the inner cavity of the cartridge bottle, medicine can be pre-packaged in the cavity between the piston and the package in the cartridge bottle, the standardized production is convenient, when the combined injection device is used, the push rod is connected at the rear end of the medicine cartridge, and the double-ended needle is connected at the front end of the cartridge bottle, so that an injector can be assembled, and the injection can be rapidly completed.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a combined injection device.
Background
At present, the syringe that medical field used widely mainly is disposable glass syringe and plastic syringe, need extract the medicine in the medicine bottle through the syringe needle during use, then accomplishes the medicine injection, and operating procedure is comparatively loaded down with trivial details, is applicable to non-first aid place, and at present, the user demand of bacterin sharply increases, and conventional syringe structure and operation mode bring a lot of inconveniences, influence injection efficiency.
Disclosure of Invention
The utility model aims to provide a combined injection device which can be preloaded with medicaments and can be quickly injected after being simply assembled.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows:
the utility model provides a modular injection device, it includes push rod, cartridge case, syringe needle triplex, the push rod includes sleeve, axostylus axostyle, the axostylus axostyle passes the sleeve, with sleeve sliding connection, sleeve tip and cartridge case one end swing joint, the cartridge case includes both ends open-ended section of thick bamboo bottle, is provided with the piston in the section of thick bamboo bottle one end, piston and axostylus axostyle tip swing joint, the encapsulation of the section of thick bamboo bottle other end, the syringe needle is double-ended needle, double-ended needle inserts encapsulation and cylinder bottle inner chamber intercommunication, splendid attire medicine in the cavity between piston and the encapsulation in the cylinder bottle.
The package is an aluminum outer cover with a rubber sheet or a rubber plug for a conventional small medicine bottle.
One end of the cylinder bottle is provided with an external thread, one end of the sleeve is provided with an internal thread, and the sleeve is fixedly connected with the cylinder bottle through the thread; furthermore, the cylinder bottle thread is a multi-start thread.
The front end of the shaft lever is movably connected with the piston, the rear end of the piston is provided with a groove, the shape of the groove is matched with the front end of the shaft lever, and after the shaft lever is connected with the piston, the push rod and the medicine cylinder form an injector structure.
Furthermore, the sleeve barrel wall is fixedly provided with a blocking handle, and the rear end of the shaft lever is a pushing handle, so that the sleeve barrel is convenient to hold by hand.
The cylinder bottle is connected with the piston in a sealing way, and the piston slides and moves in the cylinder bottle.
The cylinder bottle and the piston are made of glass materials, the piston is a plunger, a circular groove is formed in the wall of the plunger, and a sealing ring is arranged in the circular groove.
The double-ended needle comprises a front needle head, a connector and a rear needle head which are sequentially connected, and the front needle head is communicated with the rear needle head; furthermore, the diameter of the needle stem of the rear needle head is thicker, and the rear needle head is spliced with the package; further, the length of the back needle is slightly greater than the thickness of the package; furthermore, the connector is disc-shaped or bottle cap-shaped, and the front end of the cylinder bottle is in contact connection with one end of the connector.
Further, the rear end of the cylinder bottle is sealed, and the piston is sealed in the cylinder bottle; furthermore, the back end of the cylinder bottle is bonded with tinfoil for sealing; the rear end of the cylinder bottle is connected with the cylinder bottle through a cover in a threaded manner for packaging.
Further, the cylinder bottle comprises a straight cylinder and a closing opening at the front end.
The whole injection device is divided into three parts which are movably connected, wherein a medicine barrel can be pre-filled with medicines in advance, a common aluminum skin outer cover for a medicine bottle is arranged outside the package, a piston at the rear end of the medicine barrel is externally packaged by tin foil, when the injection device is used, the tin foil is torn off, a push rod is fixedly connected with the medicine barrel, the double-ended needle is inserted into the front end of the medicine barrel, a connector is contacted with the front end of the medicine barrel, and the piston is directly pushed by the push rod to finish medicine injection; wherein the cartridge and the needle are both disposable products.
The utility model has the beneficial effects that: the syringe structure cartridge can be preassembled with medicines in advance, is convenient for standardized production, and can be assembled into a syringe by connecting the push rod at the rear end of the cartridge and connecting the double-ended needle at the front end during use, so that the injection can be completed quickly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a double-ended needle structure.
1-shaft lever, 2-cylinder bottle, 3-double-ended needle, 4-sleeve, 5-piston, 6-package, 7-front needle, 8-connector, 9-rear needle, 10-blocking handle and 11-groove.
Detailed Description
The combined injection device as shown in the attached figure 1 comprises a push rod, a medicine cylinder and a needle head, wherein the push rod comprises a sleeve 4 and a shaft rod 1, the shaft rod 1 penetrates through the sleeve 4 and is in sliding connection with the sleeve 4, the end part of the sleeve 4 is movably connected with one end of the medicine cylinder, the medicine cylinder comprises a cylinder bottle 2 with two open ends, a piston 5 is arranged in one end of the cylinder bottle 2, the piston 5 is movably connected with the end part of the shaft rod 1, the other end of the cylinder bottle 2 is packaged 6, the needle head is a double-ended needle 3, the double-ended needle 3 is inserted into the package 6 and is communicated with the inner cavity of the cylinder bottle 2, and a cavity between the piston 5 and the package 6 in the cylinder bottle is filled with medicines.
The package 6 is an aluminum cover with a rubber sheet or a rubber plug for a conventional small medicine bottle.
An external thread is arranged at one end of the cylinder bottle 2, an internal thread is arranged at one end of the sleeve 4, and the sleeve 4 is fixedly connected with the cylinder bottle 2 through a thread; further, the threads of the cylinder bottle 2 are multi-start threads.
The front end of the shaft lever 1 is movably connected with the piston 5, the rear end of the piston 5 is provided with a groove 11, the shape of the groove is matched with that of the front end of the shaft lever 1, the inner diameter of the groove 11 is slightly larger than the diameter of the shaft lever 1, and after the shaft lever 1 is connected with the piston 5, the push rod and the medicine cylinder form an injector structure; further, in order to facilitate the connection of the shaft 1 and the piston 5, the end of the shaft 1 may be provided with an external thread, and the piston groove 11 may be provided with an internal thread.
Furthermore, a blocking handle 10 is fixedly arranged on the wall of the sleeve 4, and the rear end of the shaft lever 1 is a pushing handle, so that the handheld operation is facilitated.
The cylinder bottle 2 is connected with the piston 5 in a sealing way, and the piston 5 slides and moves in the cylinder bottle 2.
The cylinder bottle 2 and the piston 5 are made of glass materials, the piston 5 is a plunger, a circular groove is formed in the wall of the plunger, and a sealing ring, preferably a silica gel sealing ring, is arranged in the circular groove.
The double-ended needle 3 comprises a front needle head 7, a connector 8 and a rear needle head 9 which are connected in sequence, and the front needle head 7 is communicated with the rear needle head 9; furthermore, the diameter of the needle stem of the rear needle head 9 is thicker, and the rear needle head 9 is inserted into the package 6; further, the length of the rear needle 9 is slightly greater than the thickness of the package 6; further, the connecting head 8 is disc-shaped; the connector 8 is in a bottle cap shape, and as shown in fig. 2, the front end of the cylinder bottle 2 is in contact connection with one end of the connector 8.
Further, the rear end of the cylinder bottle 2 is sealed, and the piston 5 is sealed in the cylinder bottle 2; furthermore, the back end of the cylinder bottle 2 is adhered with tinfoil for sealing; 2 rear ends of the cylinder bottle 2 are sealed 6 through the cover and the cylinder bottle 2 in a threaded connection mode, and sealing is rapidly removed when the cylinder bottle is convenient to use.
Further, the cylinder bottle 2 comprises a straight cylinder and a closing opening at the front end.
The whole injection device is divided into three parts which are movably connected, wherein a medicine barrel can be pre-filled with medicines in advance, an aluminum skin outer cover which is commonly used for medicine bottles is arranged outside a packaging 6, a piston 5 at the rear end of the medicine barrel is externally packaged by tin foil 6, when the injection device is used, the tin foil is torn off, a push rod is fixedly connected with the medicine barrel, the push rod is inserted into the front end of the medicine barrel through a double-ended needle 3, a connector 8 is contacted with the front end of the medicine barrel, and the piston 5 is directly pushed by the push rod to finish medicine injection; wherein the cartridge and the needle are both disposable products.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should be construed as the protection scope of the present invention without inventive effort.
Claims (9)
1. A combination injection device, comprising: it includes push rod, cartridge case, syringe needle triplex, and the push rod includes sleeve, axostylus axostyle, and the axostylus axostyle passes the sleeve, with sleeve sliding connection, sleeve tip and cartridge case one end swing joint, and the cartridge case includes both ends open-ended section of thick bamboo bottle, is provided with the piston in the section of thick bamboo bottle one end, piston and axostylus axostyle tip swing joint, the encapsulation of the section of thick bamboo bottle other end, and the syringe needle is double-ended needle, and double-ended needle inserts encapsulation and communicates with section of thick bamboo bottle inner chamber, splendid attire medicine in the cavity between piston and the encapsulation in the section of thick bamboo bottle.
2. A combined injection device according to claim 1, wherein: one end of the cylinder bottle is provided with an external thread, one end of the sleeve is provided with an internal thread, and the sleeve is fixedly connected with the cylinder bottle through the thread; furthermore, the cylinder bottle thread is a multi-start thread.
3. A combined injection device according to claim 1, wherein: the front end of the shaft lever is movably connected with the piston, the rear end of the piston is provided with a groove, and the shape of the groove is matched with the front end of the shaft lever.
4. A combined injection device according to claim 1, wherein: the sleeve wall is fixedly provided with a blocking handle, and the rear end of the shaft lever is a pushing handle.
5. A combined injection device according to claim 1, wherein: the cylinder bottle and the piston are made of glass materials, the piston is a plunger, a circular groove is formed in the wall of the plunger, and a sealing ring is arranged in the circular groove.
6. A combined injection device according to claim 1, wherein: the double-ended needle comprises a front needle head, a connector and a rear needle head which are connected in sequence, and the front needle head is communicated with the rear needle head.
7. A combined injection device according to claim 6, wherein: the rear needle head is inserted with the package; the length of the rear needle is greater than the thickness of the package.
8. A combined injection device according to claim 6, wherein: the connector is disc-shaped or bottle cap-shaped, and the front end of the cylinder bottle is in contact connection with one end of the connector.
9. A combined injection device according to claim 1, wherein: the rear end of the cylinder is sealed, and the piston is sealed in the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120485784.7U CN216061546U (en) | 2021-03-08 | 2021-03-08 | Combined injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120485784.7U CN216061546U (en) | 2021-03-08 | 2021-03-08 | Combined injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216061546U true CN216061546U (en) | 2022-03-18 |
Family
ID=80634707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120485784.7U Active CN216061546U (en) | 2021-03-08 | 2021-03-08 | Combined injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216061546U (en) |
-
2021
- 2021-03-08 CN CN202120485784.7U patent/CN216061546U/en active Active
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