CN221491046U - Porous needleless injection ampoule bottle of pre-charge medicine - Google Patents
Porous needleless injection ampoule bottle of pre-charge medicine Download PDFInfo
- Publication number
- CN221491046U CN221491046U CN202322318107.8U CN202322318107U CN221491046U CN 221491046 U CN221491046 U CN 221491046U CN 202322318107 U CN202322318107 U CN 202322318107U CN 221491046 U CN221491046 U CN 221491046U
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- injection
- wall
- liquid storage
- stock solution
- storage tube
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- 239000007924 injection Substances 0.000 title claims abstract description 128
- 238000002347 injection Methods 0.000 title claims abstract description 128
- 239000003814 drug Substances 0.000 title claims abstract description 39
- 239000003708 ampul Substances 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 78
- 239000011550 stock solution Substances 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 238000009924 canning Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 230000009469 supplementation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a porous needleless injection ampoule of pre-installation medicine includes stock solution body and injection push rod, and the stock solution body is inside cavity, top open-ended tube-shape body, and injection push rod installs in the inner chamber of stock solution body, slidable connection between the two, and the outer wall upper end of stock solution body is the link, and the ampoule passes through the link and is connected with external needleless syringe detachable, is provided with the scale on the stock solution body outer wall of link below, and the lower extreme of stock solution body is the injection end, and even distribution has a plurality of injection holes on the diapire of injection end. The utility model reduces the supplement times of the liquid medicine during continuous injection and improves the reliability and safety of needleless injection by means of pre-canning the liquid medicine with accurate dosage.
Description
Technical Field
The utility model belongs to the technical field of needleless injectors, and particularly relates to a prefilled porous needleless injection ampoule bottle.
Background
The needleless injection technology is a novel subcutaneous administration method, and the working principle is that high-pressure microjet is generated through a small hole to pierce the skin, and the liquid medicine is directly conveyed into subcutaneous tissues. In addition, the needleless injection can effectively avoid the risks of accidental stabs and cross infection possibly caused by the practical traditional needle, and at present, the needleless injection technology is widely applied to various fields such as vaccine injection, drug delivery, skin scar treatment and the like. However, the single injection dosage of the existing needleless injector is not high, the frequency of extracting the liquid medicine is high during large-scale injection, so that the injection efficiency is low, and the risk of liquid medicine pollution is increased during repeated liquid medicine extracting processes.
Disclosure of utility model
The utility model aims to provide a needleless injection ampoule bottle capable of being preloaded with liquid medicine, so as to solve the technical problem that the existing needleless injector is small in single injection dosage and needs to repeatedly extract the liquid medicine at high frequency in large-scale injection.
In order to achieve the above purpose, the specific technical scheme of the utility model is as follows:
The utility model provides a porous needleless injection ampoule of pre-installation medicine, including stock solution body and injection push rod, the stock solution body is inside cavity, top open-ended tube-shape body, and injection push rod installs in the inner chamber of stock solution body, slidable connection between the two, and the outer wall upper end of stock solution body is the link, and the ampoule passes through the link and is connected with external needleless syringe detachable, is provided with the scale on the stock solution body outer wall of link below, and the lower extreme of stock solution body is the injection end, and even distribution has a plurality of injection holes on the diapire of injection end.
Further, injection push rod includes upper end flaky pressurization terminal surface, is equipped with fixed connection's connecting rod under the bottom surface of pressurization terminal surface, and the radial dimension of pressurization terminal surface is greater than the radial dimension of connecting rod, and the lower extreme fixed connection seal piston of connecting rod, seal piston's diameter is the same with the inner chamber diameter of stock solution body, and seal piston's side is laminated mutually with the inner chamber side of stock solution body, along with the effect of connecting rod seal piston slides from top to bottom in the inner chamber of stock solution body, when seal piston is pushed to the inner chamber bottom of stock solution body, seal piston's bottom surface and the inner chamber bottom surface of stock solution body laminating mutually.
Further, an external thread is arranged on the outer wall of the liquid storage tube body of the connecting end, and the connecting end is in sealing connection with the external needleless injector through threaded fit.
Further, on the outer wall of the liquid storage pipe body, a ring-shaped tooth-shaped ring is arranged at the position below the connecting end and above the graduated scale, the tooth-shaped ring is fixed on the outer wall of the liquid storage pipe body, and the outer wall of the tooth-shaped ring is gear-shaped.
Further, be provided with the safety cover on the outer wall of injection end, the safety cover is inside cavity, lower extreme open-ended barrel, is detachable connection between the outer wall of safety cover and injection end, and the bottom opening surface of safety cover flushes with the diapire of injection end.
Further, the injection hole is tapered with a wider upper part and a narrower lower part.
The prefilled porous needleless injection ampoule bottle reduces the supplement times of the liquid medicine during continuous injection by means of prefilling the liquid medicine with accurate dosage, improves the reliability and safety of needleless injection, can improve the injection dosage during single injection through a plurality of injection holes, improves the injection efficiency, and expands the application range of needleless injection.
Drawings
FIG. 1 is a schematic diagram of the structure of a prefilled porous needleless injection ampoule of the present utility model;
FIG. 2 is a schematic perspective view of a prefilled porous needleless injection ampoule of the present utility model;
FIG. 3 is a cross-sectional view of FIG. 1 of a prefilled, porous needleless injection ampoule of the present utility model;
FIG. 4 is a bottom enlarged view of FIG. 1 of the prefilled porous needleless injection ampoule of the present utility model;
FIG. 5 is an enlarged view of A-A of FIG. 3 of the prefilled porous needleless injection ampoule of the present utility model;
The figure indicates: 1. a liquid storage tube body; 11. a connection end; 12. a toothed ring; 13. a graduated scale; 14. an injection end; 15. an injection hole; 2. an injection push rod; 21. pressurizing the end face; 22. a connecting rod; 23. a sealing piston; 3. and a protective cover.
Detailed Description
For a better understanding of the objects, structure and function of the present utility model, a prefilled porous needleless injection ampoule of the present utility model is described in further detail below with reference to the accompanying drawings.
As shown in figures 1-5, the pre-filled porous needleless injection ampoule bottle comprises a liquid storage tube body 1 and an injection push rod 2, wherein the liquid storage tube body 1 is a tubular body with a hollow inside and an opening at the upper part, the injection push rod 2 is arranged in an inner cavity of the liquid storage tube body 1, the liquid storage tube body 1 and the injection push rod 2 are matched with each other, a protective cover 3 is arranged at the lower end of the outer wall of the liquid storage tube body 1, and the protective cover 3 plays a role in protecting the lower end of the liquid storage tube body 1.
The upper end of the liquid storage tube body 1 is a connecting end 11, an external thread is arranged on the outer wall of the connecting end 11, the liquid storage tube body 1 can be connected with a needleless injector through the external thread of the connecting end 11, a toothed ring 12 is arranged on the outer wall of the liquid storage tube body 1 and below the connecting end 11, the toothed ring 12 is in a circular ring shape, the inner wall of the toothed ring 12 is fixedly connected with the outer wall of the liquid storage tube body 1, the two are integrally formed, the outer wall of the toothed ring 12 is in a gear shape, when an ampoule bottle is connected with the needleless injector in an external mode, the gear-shaped outer wall of the toothed ring 12 is favorable for being used as a holding body and a force application point of the liquid storage tube body 1, so that the ampoule bottle can be rotated and installed more easily, a scale 13 is arranged on the outer wall of the liquid storage tube body 1 below the toothed ring 12, the stored liquid medicine amount in the liquid storage tube body 1 can be accurately observed through the scale 13, the output quantity of the liquid medicine can be controlled better during injection, the lower end of the liquid storage tube body 1 is an injection end 14, the protective cover 3 is arranged on the outer wall of the injection end 14, the protective cover 3 is a cylinder body with hollow inside and open lower end, the inner diameter size of the inner cavity of the cylinder of the protective cover 3 is larger than the diameter size of the circumference of the outer wall of the injection end 14, the middle opening of the top of the protective cover 3 is provided with holes with the size corresponding to the circumference of the outer wall of the injection end 14, the protective cover 3 can be sleeved on the outer wall of the injection end 14 through the holes in the middle of the top, the top of the protective cover 3 is connected on the outer wall of the injection end 14, the two are detachably connected, when the two are arranged together, the axle center of the protective cover 3 coincides with the axle center of the liquid storage tube body 1, the bottom opening surface of the protective cover 3 is flush with the bottom wall of the injection end 14, the bottom outer wall of the injection end 14 is in direct contact with and propped against the skin action surface when in use, overflowing liquid medicine under high pressure can be prevented from splashing when in use, if the bottom opening surface of the protective cover 3 is higher than the bottom wall of the injection end 14, so that the bottom wall of the injection end 14 leaks out from the bottom opening of the protective cover 3, the protective cover 3 cannot protect the bottom wall of the injection end 14, and cannot prevent the liquid medicine from splashing when in use, if the bottom opening surface of the protective cover 3 is lower than the bottom wall of the injection end 14, the bottom wall of the injection end 14 is in a shrinking shape compared with the bottom opening of the protective cover 3, the bottom wall of the injection end 14 cannot be well pressed against the skin acting surface when in use, the liquid medicine is not easy to puncture the skin when in injection, and is not easy to convey into the position predicted under the skin, so the bottom opening surface of the protective cover 3 needs to be flush with the bottom wall of the injection end 14, a plurality of injection holes 15 are formed in the bottom wall of the injection end 14, the embodiment is provided with 3 injection holes 15, the injection holes 15 are uniformly distributed on the bottom wall of the injection end 14 by taking the axis of the injection end 14 as the center along the circumferential direction, the diameter of the liquid medicine 15 on the bottom wall of the inner cavity of the injection tube 1 is larger than the diameter of the liquid medicine on the outer side of the bottom wall of the tube 1, and the liquid medicine is in a conical shape with the upper width and lower width, the liquid medicine is difficult to puncture the liquid medicine on the outer side of the bottom wall of the tube 1.
The injection push rod 2 comprises a pressurizing end face 21 at the upper end, the pressurizing end face 21 is a circular sheet-shaped body, the lower end of the pressurizing end face 21 is connected with a connecting rod 22, the connecting rod 22 is fixedly connected with the pressurizing end face 21, the upper end face of the connecting rod 22 is connected to the bottom face of the pressurizing end face 21, the axle center of the connecting rod 22 is coincident with the axle center of the liquid storage tube body 1, the center of the pressurizing end face 21 is arranged on the axle center extension line of the connecting rod 22, the radial dimension of the connecting rod 22 is smaller than the diameter dimension of the inner cavity of the liquid storage tube body 1, the connecting rod 22 can conveniently slide up and down in the inner cavity of the liquid storage tube body 1, no sliding friction resistance exists between the connecting rod 22 and the liquid storage tube body 1, the diameter of the pressurizing end face 21 is larger than the radial dimension of the connecting rod 22, when the injection push rod 2 is matched with an external needleless injector, the needleless injector is easier to strike the injection push rod 2, the lower end of the connecting rod 22 is fixedly connected with a sealing piston 23, the diameter of the sealing piston 23 is the same as the diameter of the inner cavity of the liquid storage tube body 1, the side surface of the sealing piston 23 is mutually attached to the side surface of the inner cavity of the liquid storage tube body 1, so that the liquid medicine in the inner cavity of the liquid storage tube body 1 and at the lower part of the sealing piston 23 cannot overflow or leak between the side wall of the inner cavity of the liquid storage tube body 1 and the side wall of the sealing piston 23, the sealing piston 23 can move up and down in the inner cavity of the liquid storage tube body 1 along with the action of the connecting rod 22, when the sealing piston 23 is pushed to the bottom end of the inner cavity of the liquid storage tube body 1, the bottom surface of the sealing piston 23 is mutually attached to the bottom surface of the inner cavity of the liquid storage tube body 1, the liquid medicine in the liquid storage tube body 1 is discharged cleanly when the liquid medicine is injected, the liquid medicine is prevented from remaining in the liquid storage tube body 1, and the scale 13 is matched, the liquid medicine dosage in the ampoule bottle is more accurate, continuous injection can also be used to more accurately observe the single shot size by means of the graduated scale 13.
When the injection device is used, a proper amount of liquid medicine is filled into the inner cavity of the liquid storage tube body 1, the injection push rod 2 is pushed into the inner cavity of the liquid storage tube body 1 to a corresponding position, then the toothed ring 12 is held to align the connecting end 11 of the liquid storage tube body 1 with the mounting position of the externally connected needleless injector, the mounting position of the needleless injector is provided with the internal thread corresponding to the external thread of the connecting end 11, the internal thread of the connecting end 11 and the external thread of the mounting position of the needleless injector are gradually meshed until the external thread is screwed, namely, the liquid storage tube body 1 is fixedly arranged at the corresponding position of the needleless injector, the single injection quantity of the needleless injector is regulated, the bottom wall of the injection end 4 of the liquid storage tube body 1 is abutted against the corresponding skin acting surface, the percussion device of the needleless injector is triggered, the power device of the needleless injector is driven, the injection push rod 2 is impacted by the power device of the needleless injector, the injection push rod 2 slides towards the injection end 14 under the action of impact force, the impact force borne by the pressure end 21 is transmitted to the sealing piston 23 through the connecting rod 22, the internal thread of the liquid medicine is extruded by the sealing piston 23 under the action of the pressure of the liquid storage tube body 1 until the impact force of the sealing piston is tightly, the impact force of the injection piston 1 is high, the impact force of the injection piston can reach the inner cavity of the injection device, the injection device can be ejected out of the liquid medicine from the inner cavity of the injection device, the injection device can be completely high-speed, and the injection liquid medicine can be ejected from the inner cavity of the injection device can reach the position of the injection device, and can be ejected by the injection pressure, and high pressure can reach the high pressure, and high pressure can be prevented, and the high impact injection effect can be sprayed by the injection effect is high in the injection effect and high pressure and the injection effect is sprayed by the injection effect and can be sprayed on the injection effect.
The prefilled porous needleless injection ampoule bottle can effectively reduce the frequency of extracting the liquid medicine during large-scale continuous injection by virtue of the prefilled design, thereby reducing the risk of liquid medicine pollution caused by frequent liquid medicine supplementation in the injection process, improving the reliability and safety in the injection process while improving the injection efficiency, and the plurality of injection holes arranged at the injection end can meet the requirement of single large-dose injection, so that the application range of the needleless injector is enlarged while improving the use experience of the needleless injector.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a porous needleless injection ampoule of pre-charge medicine, a serial communication port, it includes stock solution body (1) and injection push rod (2), stock solution body (1) is inside cavity, top open-ended tube-shape body, injection push rod (2) are installed in the inner chamber of stock solution body (1), slidable connection between the two, the outer wall upper end of stock solution body (1) is link (11), the ampoule passes through link (11) and external needleless injector detachable is connected, be provided with scale (13) on the stock solution body (1) outer wall of link (11) below, the lower extreme of stock solution body (1) is injection end (14), even distribution has a plurality of injection holes (15) on the diapire of injection end (14).
2. The porous needleless injection ampoule bottle of pre-filled medicine according to claim 1, characterized in that the injection push rod (2) comprises an upper-end sheet-shaped pressurizing end face (21), a connecting rod (22) fixedly connected is arranged below the bottom face of the pressurizing end face (21), the radial size of the pressurizing end face (21) is larger than that of the connecting rod (22), the lower end of the connecting rod (22) is fixedly connected with a sealing piston (23), the diameter of the sealing piston (23) is the same as the diameter of the inner cavity of the liquid storage tube body (1), the side face of the sealing piston (23) is mutually attached to the side face of the inner cavity of the liquid storage tube body (1), the sealing piston (23) slides up and down in the inner cavity of the liquid storage tube body (1) along with the action of the connecting rod (22), and when the sealing piston (23) is pushed to the bottom end of the inner cavity of the liquid storage tube body (1), the bottom face of the sealing piston (23) is mutually attached to the inner cavity bottom face of the liquid storage tube body (1).
3. The prefilled porous needleless injection ampoule bottle according to claim 1, characterized in that the outer wall of the liquid storage tube body (1) of the connecting end (11) is provided with external threads, and the connecting end (11) is in sealing connection with an external needleless injector through threaded fit.
4. The prefilled porous needleless injection ampoule bottle according to claim 1, characterized in that a ring-shaped toothed ring (12) is arranged on the outer wall of the liquid storage tube body (1) at a position below the connecting end (11) and above the graduated scale (13), the toothed ring (12) is fixed on the outer wall of the liquid storage tube body (1), and the outer wall of the toothed ring (12) is gear-shaped.
5. The porous needleless injection ampoule bottle for pre-filling medicine according to claim 1, wherein a protective cover (3) is arranged on the outer wall of the injection end (14), the protective cover (3) is a cylinder body with a hollow inside and an open lower end, the protective cover (3) is detachably connected with the outer wall of the injection end (14), and the bottom opening surface of the protective cover (3) is flush with the bottom wall of the injection end (14).
6. The prefilled porous needleless injection ampoule of claim 1, wherein the injection orifice (15) is tapered with a wider upper part and a narrower lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318107.8U CN221491046U (en) | 2023-08-28 | 2023-08-28 | Porous needleless injection ampoule bottle of pre-charge medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318107.8U CN221491046U (en) | 2023-08-28 | 2023-08-28 | Porous needleless injection ampoule bottle of pre-charge medicine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221491046U true CN221491046U (en) | 2024-08-09 |
Family
ID=92142303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322318107.8U Active CN221491046U (en) | 2023-08-28 | 2023-08-28 | Porous needleless injection ampoule bottle of pre-charge medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221491046U (en) |
-
2023
- 2023-08-28 CN CN202322318107.8U patent/CN221491046U/en active Active
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