CN211434543U - Needleless injector medicine tube and piston rod - Google Patents
Needleless injector medicine tube and piston rod Download PDFInfo
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- CN211434543U CN211434543U CN201921445087.8U CN201921445087U CN211434543U CN 211434543 U CN211434543 U CN 211434543U CN 201921445087 U CN201921445087 U CN 201921445087U CN 211434543 U CN211434543 U CN 211434543U
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- head
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- piston rod
- injection
- piston
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Abstract
The utility model provides a needleless injector cartridge and piston rod, include: an injection head, an inner cylinder and a piston rod; the injection head is of a cylindrical structure; the inner cylinder is arranged on one side of the injection head, and the inner cylinder and the injection head are of an integrated structure; the medicine tube is arranged on the outer side of the inner cylinder and is meshed and connected with the inner cylinder through threads; the piston head is arranged in the inner cylinder and connected with the guide rod in a sleeving manner; the first magnet is arranged on one side of the piston head; the second magnet is arranged on one side of the first magnet and connected with the guide rod in a sleeving manner; the connecting block is arranged on one side of the second magnet and is connected with the second magnet in an adhesion mode; the piston rod is arranged on one side of the connecting block, and the piston rod and the connecting block are of an integrated structure; through the improvement to the existing device, the device has the advantages of uniform injection, contribution to improving the medicament utilization rate and convenience in cleaning and disinfection, thereby effectively solving the existing problems and the defects.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically the utility model particularly relates to a needleless injector cartridge and piston rod that inject evenly is favorable to improving medicament utilization ratio, the cleaning and disinfection of being convenient for.
Background
The needle-free injector is an injector capable of injecting medicine without a needle, and has the advantages of quick injection and no pain, but the needle-free injector still has the defects in the using process.
The existing needleless injector has the defects of nonuniform injection, insufficient and rapid medicament diffusion and inconvenient cleaning and disinfection of the needleless injector.
In view of this, the present problems are improved by research, and a needleless injector drug tube and a piston rod which are capable of injecting uniformly, improving the utilization rate of the drug and facilitating cleaning and disinfection are provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a needleless injector cartridge and piston rod to solve the current needleless injector injection that proposes in the above-mentioned background art and be not enough even, the medicament diffusion is not fast enough, and the clean disinfection of needleless injector convenient problem inadequately and not enough.
In order to achieve the above object, the present invention provides a needleless injector cartridge and a piston rod, which are achieved by the following specific technical means:
a needleless injector cartridge and piston rod comprising: the injection head, the guide rod, the inner cylinder, the medicine tube, the piston head, the first magnet, the second magnet, the connecting block, the piston rod and the rod head; the injection head is of a cylindrical structure, and the side part of the injection head is connected with a guide rod; the inner cylinder is arranged on one side of the injection head, and the inner cylinder and the injection head are of an integrated structure; the medicine tube is arranged on the outer side of the inner barrel, and the medicine tube is meshed and connected with the inner barrel through threads; the piston head is arranged in the inner cylinder and connected with the guide rod in a sleeving manner; the first magnet is arranged on one side of the piston head, and the first magnet is connected with the piston head in an adhesion mode; the second magnet is arranged on one side of the first magnet and connected with the guide rod in a sleeving manner; the connecting block is arranged on one side of the second magnet and is connected with the second magnet in an adhesion mode; the piston rod is arranged on one side of the connecting block, and the piston rod and the connecting block are of an integrated structure; the rod head is arranged at one end of the piston rod, and the rod head and the piston rod are of an integrated structure.
As the further optimization of the technical proposal, the medicine tube and the piston rod of the needleless injector of the utility model are provided with four injection holes in the middle part of the injection head, and the interval angles of the four injection holes are ninety degrees.
As a further optimization of the technical scheme, the utility model relates to a needleless injector cartridge and piston rod the inner tube is cylindric structure, and the one end that inner tube and injection head are connected is provided with the external screw thread.
As the further optimization of the technical proposal, the utility model relates to a needleless injector cartridge and piston rod the piston head, the first magnet, the second magnet and the connecting block are all ring-shaped structures.
As a further optimization of the technical proposal, the utility model relates to a needleless injector cartridge and piston rod the piston rod is of a cylindrical structure, and the rod head of the end part of the piston rod is of a cylindrical structure.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model relates to a needleless injector pencil and piston rod is provided with an inner tube and a guide arm through the lateral part at the injection head for the inner tube middle part forms the runner of annular form, oppresses the liquid medicine to the injection head through the piston head of tubular form and discharges, and the injection head is provided with the injection orifice of four places altogether, makes this device liquid medicine can flow out fast when the injection, and the diffusion of liquid medicine is more even, does benefit to the absorption, improves the utilization efficiency.
2. The utility model relates to a needleless injector pencil and piston rod all is provided with magnet through the lateral part at piston head and connecting block for the piston head can be convenient with the piston rod carry out actuation and split, and the pencil passes through threaded connection with the inner tube, and the split is comparatively convenient, is favorable to the cleaning and disinfection of this device, has improved the convenience of using.
3. The utility model discloses an improvement to current device, it is even to have the injection, is favorable to improving the medicament utilization ratio, is convenient for clean sterile advantage to effectual solution the utility model discloses the problem that proposes in background art is with not enough.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the injection head, guide rod and inner barrel of the present invention;
FIG. 3 is a schematic view of the structure of the cartridge of the present invention;
fig. 4 is a schematic structural view of a piston rod portion of the present invention;
fig. 5 is a schematic structural view of point a of the present invention;
fig. 6 is a schematic view of the injection head of the present invention.
In the figure: the injection device comprises an injection head 1, a guide rod 2, an inner barrel 3, a medicine tube 4, a piston head 5, a first magnet 6, a second magnet 7, a connecting block 8, a piston rod 9 and a rod head 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the present invention provides a specific technical implementation of a needleless injector cartridge and a piston rod:
a needleless injector cartridge and piston rod comprising: the injection device comprises an injection head 1, a guide rod 2, an inner barrel 3, a medicine tube 4, a piston head 5, a first magnet 6, a second magnet 7, a connecting block 8, a piston rod 9 and a rod head 10; the injection head 1 is in a cylindrical structure, and the side part of the injection head 1 is connected with a guide rod 2; the inner cylinder 3 is arranged at one side of the injection head 1, and the inner cylinder 3 and the injection head 1 are of an integrated structure; the medicine tube 4 is arranged on the outer side of the inner barrel 3, and the medicine tube 4 is meshed and connected with the inner barrel 3 through threads; the piston head 5 is arranged in the inner cylinder 3, and the piston head 5 is connected with the guide rod 2 in a sleeving manner; the first magnet 6 is arranged on one side of the piston head 5, and the first magnet 6 is connected with the piston head 5 in an adhesion mode; the second magnet 7 is arranged on one side of the first magnet 6, and the second magnet 7 is connected with the guide rod 2 in a sleeving manner; the connecting block 8 is arranged on one side of the second magnet 7, and the connecting block 8 is connected with the second magnet 7 in an adhesion mode; the piston rod 9 is arranged on one side of the connecting block 8, and the piston rod 9 and the connecting block 8 are of an integrated structure; the club head 10 is arranged at one end of the piston rod 9, and the club head 10 and the piston rod 9 are of an integrated structure.
Specifically, as shown in fig. 6, four injection holes are formed in the middle of the injection head 1, and the four injection holes are spaced at ninety degrees, so that the injection head is used for guiding out the liquid medicine, improves the injection uniformity of the liquid medicine, and facilitates the absorption of the liquid medicine.
Specifically, as shown in fig. 1 and 2, the inner cylinder 3 is a cylindrical structure, and an external thread is arranged at one end of the inner cylinder 3 connected with the injection head 1 for connecting the drug tube 4.
Specifically, as shown in fig. 1 and 4, the piston head 5, the first magnet 6, the second magnet 7 and the connecting block 8 are all annular structures, and are used for matching with the annular flow channel of the inner cylinder 3 to inject the liquid medicine.
Specifically, as shown in fig. 1 and 4, the piston rod 9 has a cylindrical structure, and a rod head 10 at the end of the piston rod 9 has a cylindrical structure, and is used to inject the liquid medicine in cooperation with the annular flow passage of the inner cylinder 3.
The method comprises the following specific implementation steps:
the device is used for connecting a rod head 10 at the end part of a piston rod 9 of the device to an injector, then the medicament is input into an inner cylinder 3 through a special joint, during injection, an injection head 1 and a part to be injected are compressed at an included angle of ninety degrees, then the injector is controlled to push the piston rod 9 through the rod head 10, the piston rod 9 sequentially pushes a connecting block 8, a second magnet 7, a first magnet 6 and a piston head 5, the medicament flows through an annular flow channel of the inner cylinder 3, and finally is output through four injection holes of the injection head 1 for injection, after use, the rod head 10 and the piston rod 9 are separated from the injector, then the piston head 5, the first magnet 6, the second magnet 7 and the connecting block 8 are drawn out from the inner cylinder 3 through the piston rod 9, then the inner cylinder 3 is separated from a medicine tube 4, and then.
In summary, the following steps: according to the needleless injector medicine tube and the piston rod, the inner tube and the guide rod are arranged on the side part of the injection head, the annular flow channel is formed in the middle of the inner tube, the medicine liquid is pressed to the injection head through the tubular piston head and is discharged, and the injection head is provided with four injection holes, so that the medicine liquid can flow out quickly during injection, the medicine liquid is diffused more uniformly, absorption is facilitated, and the utilization efficiency is improved; all be provided with magnet through the lateral part at piston head and connecting block for the piston head can be convenient with the piston rod carry out actuation and split, and the pencil passes through threaded connection with the inner tube, and the split is comparatively convenient, is favorable to the cleaning and disinfecting of this device, has improved the convenience of using, has solved current needleless injector and has injected not evenly enough, and the medicament diffusion is not fast enough, and the clean disinfection of needleless injector is convenient problem inadequately.
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 (5)
1. A needleless injector cartridge and a piston rod are characterized in that: the device has the advantages of uniform injection, contribution to improving the medicament utilization rate and convenience in cleaning and disinfection; the method comprises the following steps: the injection device comprises an injection head (1), a guide rod (2), an inner barrel (3), a medicine tube (4), a piston head (5), a first magnet (6), a second magnet (7), a connecting block (8), a piston rod (9) and a rod head (10); the injection head (1) is of a cylindrical structure, and the side part of the injection head (1) is connected with a guide rod (2); the inner cylinder (3) is arranged on one side of the injection head (1), and the inner cylinder (3) and the injection head (1) are of an integrated structure; the medicine tube (4) is arranged on the outer side of the inner barrel (3), and the medicine tube (4) is meshed and connected with the inner barrel (3) through threads; the piston head (5) is arranged inside the inner cylinder (3), and the piston head (5) is connected with the guide rod (2) in a sleeving manner; the first magnet (6) is arranged on one side of the piston head (5), and the first magnet (6) is connected with the piston head (5) in an adhesion mode; the second magnet (7) is arranged on one side of the first magnet (6), and the second magnet (7) is connected with the guide rod (2) in a sleeving manner; the connecting block (8) is arranged on one side of the second magnet (7), and the connecting block (8) is connected with the second magnet (7) in an adhesion mode; the piston rod (9) is arranged on one side of the connecting block (8), and the piston rod (9) and the connecting block (8) are of an integrated structure; the club head (10) is arranged at one end of the piston rod (9), and the club head (10) and the piston rod (9) are of an integrated structure.
2. The needleless injector cartridge and plunger rod of claim 1, wherein: the middle part of the injection head (1) is provided with four injection holes, and the interval angles of the four injection holes are ninety degrees.
3. The needleless injector cartridge and plunger rod of claim 1, wherein: the inner cylinder (3) is of a cylindrical structure, and an external thread is arranged at one end of the inner cylinder (3) connected with the injection head (1).
4. The needleless injector cartridge and plunger rod of claim 1, wherein: the piston head (5), the first magnet (6), the second magnet (7) and the connecting block (8) are all of circular ring structures.
5. The needleless injector cartridge and plunger rod of claim 1, wherein: the piston rod (9) is of a cylindrical structure, and the rod head (10) at the end part of the piston rod (9) is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921445087.8U CN211434543U (en) | 2019-09-02 | 2019-09-02 | Needleless injector medicine tube and piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921445087.8U CN211434543U (en) | 2019-09-02 | 2019-09-02 | Needleless injector medicine tube and piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211434543U true CN211434543U (en) | 2020-09-08 |
Family
ID=72307596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921445087.8U Expired - Fee Related CN211434543U (en) | 2019-09-02 | 2019-09-02 | Needleless injector medicine tube and piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211434543U (en) |
-
2019
- 2019-09-02 CN CN201921445087.8U patent/CN211434543U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 833418 room 515, 5th floor, enterprise service center, Alashankou Comprehensive Bonded Zone, Bortala Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Wanjia Medical Instrument Co.,Ltd. Address before: 422800 No.31 Xingdong Road, dahetang Street office, Shaodong county, Shaoyang City, Hunan Province Patentee before: Xiao Hua |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |