CN202314751U - Disposable injector for intravenous injection - Google Patents
Disposable injector for intravenous injection Download PDFInfo
- Publication number
- CN202314751U CN202314751U CN2011204656492U CN201120465649U CN202314751U CN 202314751 U CN202314751 U CN 202314751U CN 2011204656492 U CN2011204656492 U CN 2011204656492U CN 201120465649 U CN201120465649 U CN 201120465649U CN 202314751 U CN202314751 U CN 202314751U
- Authority
- CN
- China
- Prior art keywords
- push rod
- intravenous injection
- disposable injector
- disposable
- syringe
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A disposable injector for intravenous injection comprises a disposable injector body consisting of a needle barrel (1) and a push rod (2), wherein external threads (23) are arranged on the periphery of a cross-shaped rod body (22) between a piston and a tail handle (21) of the push rod (2); and a regulating nut (3) which can regulate the position on the push rod (2) back and forth and can be clamped at the back end of the needle barrel (1) to limit the position and the speed of the push rod (2) when the push rod (2) is forwardly pushed is installed on the back part of the needle barrel (1) on the push rod (2) through the external threads (23). After adoption of the disposable injector for the intravenous injection, the speed and the medicine injecting amount can be controlled during the intravenous injection, danger is not caused to a patient, and unnecessary doctor-patient disputes can be avoided; and the disposable injector for the intravenous injection is simple in structure, convenient to use, good in effect, wide in market prospect, low in cost, disposable and free of cross infection.
Description
Technical field
This utility model relates to medical apparatus and instruments, is specifically related to a kind of intravenous injection syringe.
Background technology
In hospital clinical treatment and nursery work, often adopt intravenous injection treatment disease at present; Intravenous injection needs strictness to control the injection amount and speed can not be too fast; Otherwise can bring danger to patient; Be not easy control rate and injection amount when using common disposable syringe intravenous injection, can bring danger, cause unnecessary doctor-patient dispute to patient.
Summary of the invention
The purpose of this utility model provides a kind of speed and the injection amount that can control intravenous injection, can not bring danger to patient, can avoid the intravenous injection disposable syringe of unnecessary doctor-patient dispute.
The technical solution of this utility model is: it comprises the disposable syringe device body that is made up of syringe and push rod; The periphery of the piston of push rod and the cross body of rod between the caudal peduncle is provided with external screw thread, and the rear portion of push rod top cylinder is equipped with through screw thread can be stuck in the adjusting nut that back end of syringe plays the spacing and maximum speed limit effect of push rod in the time of pushing away before the adjusting position, push rod before and after can be on push rod.
The technique effect of this utility model is: use it can control the speed and the injection amount of intravenous injection, can not bring danger to patient, can avoid unnecessary doctor-patient dispute, it is simple in structure, and easy to use effective, market prospect is extensive.Its cost simple in structure is low, and disposable use can not cause cross infection.
Description of drawings
Accompanying drawing is this utility model embodiment axonometric chart.
The specific embodiment
Shown in accompanying drawing; It comprises the disposable syringe device body that is made up of syringe 1 and push rod 2; The periphery of the cross body of rod 22 between the piston of push rod 2 and the caudal peduncle 21 is provided with external screw thread 23, and the rear portion of push rod 2 top cylinders 1 is equipped with through external screw thread 23 can be stuck in the adjusting nut 3 that the spacing and maximum speed limit effect of push rod 2 is played in syringe 1 rear end in the time of pushing away before the adjusting position, push rod 2 before and after can be on push rod 2.
Adjusting nut 3 for inwall be provided with push rod 2 on external screw thread 23 female thread 31, the outer wall that match be provided with the circular body of anti-skidding stricture of vagina 32.
Turn adjusting nut 3 to the precalculated position with hands before the intravenous injection; Intravenous injection is regulated adjusting nut 3 during to predetermined amount and can be blocked by syringe 1; Thereby it is excessive can not push away; Before continuing to inject adjusting nut 3 screwed backward and reach next precalculated position, and then inject, thereby reach the purpose of control rate and amount.
Claims (2)
1. intravenous injection disposable syringe; It comprises the disposable syringe device body that is made up of syringe (1) and push rod (2); It is characterized in that: the periphery of the cross body of rod (22) between the piston of push rod (2) and the caudal peduncle (21) is provided with external screw thread (23), and the rear portion of push rod (2) top cylinder (1) is equipped with through external screw thread (23) and can be before and after push rod (2) is gone up can be stuck in syringe (1) rear end when adjusting position, preceding the pushing away of push rod (2) and plays the spacing adjusting nut (3) with the maximum speed limit effect of push rod (2).
2. intravenous injection disposable syringe as claimed in claim 1, it is characterized in that said adjusting nut (3) for inwall be provided with push rod (2) on external screw thread (23) female thread (31), the outer wall that match be provided with the circular body of anti-skidding stricture of vagina (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204656492U CN202314751U (en) | 2011-11-22 | 2011-11-22 | Disposable injector for intravenous injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204656492U CN202314751U (en) | 2011-11-22 | 2011-11-22 | Disposable injector for intravenous injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202314751U true CN202314751U (en) | 2012-07-11 |
Family
ID=46426756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204656492U Expired - Fee Related CN202314751U (en) | 2011-11-22 | 2011-11-22 | Disposable injector for intravenous injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202314751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2617855A (en) * | 2022-04-21 | 2023-10-25 | Redmond Moynihan Laurence | Safety apparatus for a multi-dose syringe |
-
2011
- 2011-11-22 CN CN2011204656492U patent/CN202314751U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2617855A (en) * | 2022-04-21 | 2023-10-25 | Redmond Moynihan Laurence | Safety apparatus for a multi-dose syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121122 |