CN220090140U - Vaccine built-in injector - Google Patents
Vaccine built-in injector Download PDFInfo
- Publication number
- CN220090140U CN220090140U CN202320753466.3U CN202320753466U CN220090140U CN 220090140 U CN220090140 U CN 220090140U CN 202320753466 U CN202320753466 U CN 202320753466U CN 220090140 U CN220090140 U CN 220090140U
- Authority
- CN
- China
- Prior art keywords
- needle
- vaccine
- piston shaft
- cylinder body
- end part
- Prior art date
- 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.)
- Active
Links
- 229960005486 vaccine Drugs 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 11
- 239000012567 medical material Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002255 vaccination Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a vaccine built-in injector which comprises a needle cylinder body, a needle tube extending out of the end part of the needle cylinder body and a liquid storage bag arranged in the needle cylinder body, wherein a piston shaft is arranged in the needle cylinder, a fixed groove is formed in the side wall of the piston shaft, a locking device is arranged in the fixed groove in a sliding mode, the locking device extends to the outside of the needle cylinder body, vaccine liquid is filled in the built-in liquid storage bag, the working intensity of on-site medical staff is reduced, and the queuing time of people is saved. The locking device protects vaccine stored in the syringe body in advance from accidental leakage caused by the axial inward movement of the piston during transportation, and avoids medical material waste caused by transportation.
Description
Technical Field
The present utility model relates to syringes, and in particular to a vaccine-containing syringe.
Background
At present, chinese patent with publication number CN216496867U discloses a disposable syringe with built-in vaccinations, which comprises a syringe, the inside reservoir that is equipped with of syringe, the surface of reservoir can follow the inner wall slip of syringe, the bottom of reservoir is equipped with the liquid outlet, and the liquid outlet inlays in the tip of syringe, the tip of syringe is equipped with the needle tubing, and the inside intercommunication of needle tubing and syringe.
According to the technical scheme, the vaccine is arranged inside the needle cylinder in advance, so that the vaccine is not required to be inhaled into the needle cylinder on site by medical staff in the vaccine injection process, the working intensity of the medical staff is reduced, and the waiting time of vaccine injection crowds is saved.
However, the liquid storage bag for storing the vaccine liquid in the transportation process is punctured because the push rod moves inwards, and the accidental leakage of the vaccine liquid causes the waste of medical materials.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a vaccine-built-in syringe having a function of protecting a vaccine solution stored in advance in the syringe from accidental leakage during transportation, and avoiding the waste of medical materials caused by transportation.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a syringe is built-in to bacterin, includes the cylinder body, extends the needle tubing of cylinder body tip, sets up the reservoir in the inside of cylinder body, the inside piston shaft that is provided with of cylinder, the lateral wall of piston shaft is provided with the fixed slot, the sliding of fixed slot is provided with locking device, locking device extends to the outside of cylinder body.
Through the technical scheme, the vaccine liquid is filled in the built-in liquid storage bag, so that the working intensity of on-site medical staff is reduced, and the queuing time of people is saved.
The locking device protects vaccine stored in the syringe body in advance from accidental leakage caused by the axial inward movement of the piston during transportation, and avoids medical material waste caused by transportation.
Preferably, the locking device comprises a lock, a pull platform and a first spring, wherein the lock is arranged in the fixed groove in a sliding manner, the pull platform is arranged at the end part of the lock away from the fixed groove, the first spring is sleeved on the lock, one end of the first spring is fixedly connected with the pull platform, and the other end of the first spring is fixedly connected with the needle cylinder body.
Through above-mentioned technical scheme, medical personnel when needs use the syringe, and medical personnel exert the power of drawing the platform to keep away from the cylinder body, and the kayser breaks away from the fixed slot, releases locking device to the locking of piston shaft, and the fixed of spring one has guaranteed that the kayser can not break away from the fixed slot in the transportation, guarantees locking device's stability.
Preferably, the end of the syringe body is provided with a connecting pipe, a needle plug is arranged in the connecting pipe, the needle tube is fixed on the needle plug, and a puncture needle is arranged at one end of the needle plug, which is close to the syringe body.
Through the technical scheme, when medical staff pushes the piston shaft inwards, the liquid storage bag moves along with the piston shaft, after the liquid storage bag reaches the end part to deform, the liquid storage bag is punctured by the puncture needle, vaccine liquid flows out, and the medical staff can directly inject the vaccine only by exhausting air in the hollow pipe at the moment.
Preferably, the end part of the piston shaft is provided with sealing rubber, the end part of the sealing rubber is protruding, and the protruding part of the sealing rubber can extend into the inner cavity of the connecting pipe.
Through the technical scheme, the sealing rubber ensures that vaccine liquid leaks from the inside of the needle cylinder body during transfusion, the convex part stretches into the inner cavity of the connecting pipe during transfusion, the puncture needle pierces the convex part, and the connection between the piston shaft and the needle plug is completed.
Preferably, the guide slot is provided on the side wall of the pintle, a cylinder stand is provided in the guide slot, the end of the cylinder stand extends to the outside of the connecting pipe, a second spring is provided between the cylinder stand and the guide slot, and two ends of the second spring are fixedly connected with the pintle and the cylinder stand.
Through the technical scheme, after medical staff completes injection, the force of the cylinder platform close to the inside of the syringe body is applied, the spring deforms, the cylinder platform moves into the syringe body, when the cylinder platform is pressed into the syringe body, the medical staff applies the force of the piston shaft away from the syringe body, at the moment, the piston shaft drives the pintle to move towards the inside of the syringe body, the pintle moves to the piston shaft to be locked by the locking device again, and at the moment, the exposed end part of the needle tube enters the inside cavity of the syringe body to complete primary self-destruction.
Preferably, the piston shaft is cross-shaped, and the middle section of the piston shaft is provided with an annular groove.
Through the technical scheme, medical staff breaks the piston shaft to finish secondary self-destruction, and the annular groove is formed so that the medical staff can break the piston shaft more easily.
Preferably, a handle table is arranged at the end part of the needle cylinder body, and anti-skid patterns are arranged at the end part of the handle table, which is close to the needle tube.
Through the technical scheme, the contact area of the finger is increased, so that the disputes between doctors and patients caused by slipping of the injector are prevented.
Preferably, a pressing table is arranged at the end part of the piston shaft, and anti-skid patterns are arranged at the end part of the pressing table.
Through the technical scheme, the contact area of the finger is increased, so that the disputes between doctors and patients caused by slipping of the injector are prevented.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic cross-sectional view of an embodiment;
fig. 3 is an enlarged view of a portion a of fig. 2;
fig. 4 is an enlarged view of a portion B of fig. 2.
Reference numerals: 1. a syringe body; 2. a needle tube; 3. a reservoir; 4. a piston shaft; 5. a fixing groove; 6. a locking device; 601. locking; 602. a pull table; 603. a first spring; 7. a connecting pipe; 8. a pintle; 9. a needle; 10. sealing rubber; 11. a guide groove; 12. an annular groove; 13. a handle table; 14. a pressing table; 15. anti-skid lines; 16. a second spring; 17. a cylinder table.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
The vaccine built-in injector comprises a syringe body 1, a needle tube 2 extending out of the end part of the syringe body 1, and a liquid storage bag 3 arranged inside the syringe body 1, wherein vaccine liquid is filled in the built-in liquid storage bag 3, as shown in fig. 1 to 4. The end of the syringe body 1 is provided with a handle table 13, and the end of the handle table 13 close to the needle tube 2 is provided with anti-skid patterns 15 for increasing finger contact area.
The end of the needle cylinder body 1 is provided with a connecting pipe 7, a needle bolt 8 is arranged in the connecting pipe 7, the needle tube 2 is fixed on the needle bolt 8, and a needle 9 is arranged at one end of the needle bolt 8 close to the needle cylinder body 1.
The lateral wall of pintle 8 has seted up guide slot 11, is provided with cylinder platform 17 in the guide slot 11, and cylinder platform 17's tip extends to the outside of connecting pipe 7, is provided with spring two 16 between cylinder platform 17 and the guide slot 11, and spring two 16 both ends fixed connection pintle 8 and cylinder platform 17.
The needle cylinder is internally provided with a piston shaft 4, the piston shaft 4 is in a cross shape, and the middle section of the piston shaft 4 is provided with an annular groove 12. The end of the piston shaft 4 is provided with a pressing table 14, and the end of the pressing table 14 is provided with anti-skid patterns 15. The other end of the piston shaft 4 is provided with a sealing rubber 10, the end of the sealing rubber 10 protrudes, and the protrusion of the sealing rubber 10 can extend into the inner cavity of the connecting pipe 7.
The side wall of the piston shaft 4 is provided with a fixed groove 5, a locking device 6 is arranged in the fixed groove 5 in a sliding mode, and the locking device 6 comprises a lock 601, a pull table 602 and a first spring 603. The latch 601 is slidably disposed in the fixed slot 5, and the pull platform 602 is disposed at an end of the latch 601 remote from the fixed slot 5. The first spring 603 is sleeved on the lock 601, one end of the first spring 603 is fixedly connected to the pull table 602, and the other end of the first spring 603 is fixedly connected to the syringe body 1. The fixing of the first spring 603 ensures that the latch 601 cannot be separated from the fixing groove 5 during transportation, and ensures the stability of the locking device 6.
A specific using method of a vaccine built-in injector comprises the following steps: after the medical staff opens the package and takes the injector, the medical staff firstly applies the force of the pull table 602 away from the syringe body 1, the lock 601 is separated from the fixed groove 5, and the locking device 6 releases the locking of the piston shaft 4. When medical staff pushes the piston shaft 4 inwards, the liquid storage bag 3 moves inwards along with the piston shaft 4, and after the liquid storage bag 3 reaches the end part to deform, the puncture needle 9 punctures the liquid storage bag 3, and vaccine liquid flows out. The medical staff can directly inject the vaccine only by evacuating the air in the injector.
After the medical staff finishes the injection, the force that the cylinder platform 17 is close to the inside of the syringe body 1 is applied, the second spring 16 is deformed, the cylinder platform 17 moves into the syringe body 1, when the cylinder platform 17 is pressed into the syringe body 1, the medical staff applies the force that the piston shaft 4 is far away from the syringe body 1, at the moment, the piston shaft 4 drives the pintle 8 to move into the syringe body 1, the pintle 8 moves to the position, and the piston shaft 4 is locked 601 by the locking device 6 again, at the moment, the exposed end part of the needle tube 2 enters the inner cavity of the syringe body 1 to finish the first-stage self-destruction. Medical staff breaks the piston shaft 4 at the annular groove 12 to complete secondary self-destruction.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (7)
1. The utility model provides a vaccine built-in syringe, includes cylinder body (1), extends needle tubing (2) of cylinder body (1) tip, sets up liquid storage bag (3) inside cylinder body (1), characterized by: the novel needle cylinder is characterized in that a piston shaft (4) is arranged inside the needle cylinder, a fixing groove (5) is formed in the side wall of the piston shaft (4), a locking device (6) is arranged in the fixing groove (5) in a sliding mode, the locking device (6) extends to the outside of the needle cylinder body (1), the locking device (6) comprises a clamping lock (601), a pull table (602) and a first spring (603), the clamping lock (601) is arranged in the fixing groove (5) in a sliding mode, the pull table (602) is arranged at the end portion, far away from the fixing groove (5), of the clamping lock (601), the first spring (603) is sleeved on the clamping lock (601), one end of the first spring (603) is fixedly connected to the pull table (602), and the other end of the first spring is fixedly connected to the needle cylinder body (1).
2. A vaccine-in-syringe according to claim 1, characterized in that: the needle tube is characterized in that a connecting pipe (7) is arranged at the end part of the needle tube body (1), a needle plug (8) is arranged in the connecting pipe (7), the needle tube (2) is fixed on the needle plug (8), and a puncture needle (9) is arranged at one end, close to the needle tube body (1), of the needle plug (8).
3. A vaccine-in-syringe according to claim 2, characterized in that: the end part of the piston shaft (4) is provided with sealing rubber (10), the end part of the sealing rubber (10) is protruding, and the protruding part of the sealing rubber (10) can extend into the inner cavity of the connecting pipe (7).
4. A vaccine-in-syringe according to claim 2, characterized in that: guide slot (11) have been seted up to the lateral wall of pintle (8), be provided with cylinder platform (17) in guide slot (11), the tip of cylinder platform (17) extends to the outside of connecting pipe (7), cylinder platform (17) with be provided with between guide slot (11) spring two (16), spring two (16) both ends fixed connection pintle (8) with cylinder platform (17).
5. A vaccine-in-syringe according to claim 1, characterized in that: the piston shaft (4) is cross-shaped, and an annular groove (12) is formed in the middle section of the piston shaft (4).
6. A vaccine-in-syringe according to claim 1, characterized in that: the end part of the needle cylinder body (1) is provided with a handle table (13), and the end part of the handle table (13) close to the needle tube (2) is provided with anti-skid patterns (15).
7. A vaccine-in-syringe according to claim 1, characterized in that: the end part of the piston shaft (4) is provided with a pressing table (14), and the end part of the pressing table (14) is provided with anti-skid patterns (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753466.3U CN220090140U (en) | 2023-04-01 | 2023-04-01 | Vaccine built-in injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753466.3U CN220090140U (en) | 2023-04-01 | 2023-04-01 | Vaccine built-in injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220090140U true CN220090140U (en) | 2023-11-28 |
Family
ID=88869184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320753466.3U Active CN220090140U (en) | 2023-04-01 | 2023-04-01 | Vaccine built-in injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220090140U (en) |
-
2023
- 2023-04-01 CN CN202320753466.3U patent/CN220090140U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5695475A (en) | Syringe apparatus | |
| US5209739A (en) | Hypodermic needle | |
| US6846301B2 (en) | Disposable safety syringe | |
| AU728880B2 (en) | Pre-filled retractable needle injection device | |
| CN101484198A (en) | Breech loaded fixed needle syringe and automatic injection device having the same | |
| TWI449550B (en) | Automatic retractable safety syringe | |
| AU2009243972B2 (en) | Single-use self-destruction safety syringe without fluid residua | |
| US7993307B2 (en) | Safe medical syringe with an automatic slowly retractable needle | |
| US20030212371A1 (en) | Disposable safety syringe | |
| CN106310459B (en) | The uniform and automatic injection device of gasbag-type | |
| CN220090140U (en) | Vaccine built-in injector | |
| CN101579548A (en) | Needleshield assembly | |
| CN103110998B (en) | There is the intravenous pin of the visual blood back function of rapid sensitive | |
| MXPA00008996A (en) | Pre-filled retractable needle injection device. | |
| CN109498034A (en) | The disposable anti-aculeus blood-taking device of retraction type | |
| CN211095125U (en) | Pre-assembled pen type ICI injection device | |
| CN103721320A (en) | Safe injector | |
| WO2000027450A1 (en) | Pre-filled retractable needle injection device | |
| CN2930735Y (en) | Self-destroyed safety syringe | |
| CN218900462U (en) | Three-way injector structure convenient to use | |
| CN108697864A (en) | Syringe with recoverable needle | |
| CN210698249U (en) | Anti-acupuncture syringe | |
| CN219613870U (en) | Safety blood taking needle | |
| CN210990337U (en) | Hemospast capable of preventing needle stick injury | |
| CN219743555U (en) | Tooth treatment injector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |