CN101564566A - Disposable injector, mounting method and special mounting equipment thereof - Google Patents
Disposable injector, mounting method and special mounting equipment thereof Download PDFInfo
- Publication number
- CN101564566A CN101564566A CNA2009100523893A CN200910052389A CN101564566A CN 101564566 A CN101564566 A CN 101564566A CN A2009100523893 A CNA2009100523893 A CN A2009100523893A CN 200910052389 A CN200910052389 A CN 200910052389A CN 101564566 A CN101564566 A CN 101564566A
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- China
- Prior art keywords
- needle
- needle tubing
- core bar
- disposable syringe
- needle stand
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a disposable injector, which comprises a needle tube, a needle bed and a steel hook, an external sleeve, a core bar, a piston and a jacket. The needle tube is fixedly arranged on the needle bed. A convex corner is arranged on the inner wall of the needle bed and is tightly embedded into the head of the needle tube in the direction from the tail of the needle tube to the head of the needle tube. The steel hook is arranged on the end surface of the piston and the jacket covers the needle tube. The technical proposal is as follows: the steel hook arranged on the end surface of the piston is pushed into the needle bed to hook the convex corner and pull the needle bed and the tube back so as to facilitate the disassembly; the needle bed is placed in firstly and then the needle tube is arranged to ensure that the needle tube is not scratched to be blunt; and the pressure for embedding the needle bed into the head of the needle tube can be controlled by introducing a pressure transducer, thereby not only being capable of ensuring the consistency between the depth and compactness of the needle bed embedded into the needle tube, but also being capable of extracting the needle bed out of the needle tube with the same force when the needle bed is removed.
Description
Technical field
The present invention relates to the installation method of disposable syringe, be specially a kind of safe and reliable disposable syringe, and the installation method of this syringe and the special equipment in the installation process, medical instruments field belonged to.
Background technology
Because in the injection process, needle tubing will go deep into skin, blood vessel, vein, if several patients use same needle tubing might cause the pathogenic bacteria cross infection.Therefore disposable syringe is just particularly important.Disposable syringe is made up of needle tubing, needle stand, steel hook, overcoat, core bar and piston.The concrete steps of the assembling of syringe are: at first needle tubing is installed on needle stand, then needle stand and needle tubing is put into from the overcoat back, be pushed into pin base fastener with the core bar that piston is housed then and be tightened to needle tubing.But do like this, needle tubing usually can hit outer casing inner wall, and it is blunt to cause needle tubing to be scraped.This also is domestic most syringe outlet one of unaccepted reason of going abroad.Finish using back dismounting of conventional injector is very inconvenient, needle tubing and needle stand firmly can only be pressed in overcoat, and so both inconvenience was also dangerous.
Therefore designing a kind of safe and reliable, convenient and practical disposable syringe is the medical instruments field problem demanding prompt solution.
Summary of the invention
Purpose of the present invention aims to provide a kind of novel disposable syringe, and the installation method of this syringe and special installation apparatus thereof.Inconvenient to solve the prior art dismounting, the serial problem that needle tubing easy to wear is installed.
Purpose of the present invention can be achieved through the following technical solutions.
Disposable syringe comprises: needle tubing, needle stand and steel angle, overcoat, core bar, piston and sheath, and described needle tubing is mounted on the needle stand, and the inwall of needle stand is provided with protruding stupefied, and closely embeds the needle tubing head by the needle tubing afterbody to the needle tubing cephalad direction; Described piston end surface is equipped with the steel hook; Described sheath covers outside needle tubing.
The big end of described needle stand sectional area one end is little, and its external surface shape is circular cone, round platform or terrace with edge etc.
The external surface shape of described needle tubing head and needle stand is supporting.
Described steel hook is twisted curved forming then for penetrating rifle or machinery is pressed into.
The installation method of this disposable syringe, its concrete steps are:
1) at first needle stand is put into needle tubing down by the little end of sectional area;
2) push needle stand with the back-pushed assemble mechanism then and embed the needle tubing head to correct position;
3) be pushed into behind the correct position needle tubing is inserted the pin hole that is arranged on the needle stand, the needle tubing that is adhesively fixed covers sheath.
Described back-pushed assemble mechanism, it comprises the core bar that advances needle stand, and the fixing described core bar diameter of core bar and fixture is less than the needle tubing internal diameter, and length is provided with pressure transducer greater than needle tubing length at core bar one end.
Above-mentioned back-pushed assemble mechanism can also be designed to numerical control and advance, it comprises firm banking, motor, control circuit and core bar, motor is installed on the firm banking, the output shaft of motor is connected with core bar, the fixing described core bar diameter of core bar and fixture is less than the needle tubing internal diameter, length is provided with pressure transducer greater than needle tubing length between core bar and motor; Pressure transducer and motor are electrically connected with control circuit, and controlled and setting.
Correct position of the present invention is the seal of hand rest and needle tubing, and the strength scope of needle stand being pulled out from needle tubing with the steel hook.
Technical solution of the present invention heads into needle stand by the steel hook in the piston end surface setting, catches on protruding stupefied needle stand and the needle tubing of retracting, with for convenience detach.By putting into needle stand earlier, it is blunt that the mode of back installation needle tubing has protected needle tubing not scraped.By introducing with pressure transducer, can control the pressure that needle stand embeds the needle tubing head, it is consistent with compactness so both can to have guaranteed that needle stand embedded the degree of depth of needle tubing, can all pull out needle stand with same strength so that when dismantling needle stand again.
Description of drawings
Fig. 1 is the structural representation of syringe of the present invention;
Fig. 2 is the structural representation of back-pushed assemble mechanism of the present invention;
Among the figure: 1, needle tubing 2, needle stand 3, syringe needle 4, piston 5, steel hook 6, sheath 7, core bar 8, pressure transducer.
The specific embodiment
Further set forth design main points of the present invention below in conjunction with the drawings and specific embodiments.
Disposable syringe as described in Figure 1, comprise: needle tubing 1, needle stand 2 and syringe needle 3, piston 4 and helmet 6, described syringe needle 3 is mounted on the needle stand 2, and the inwall of needle stand 2 is provided with protruding stupefied, and closely embeds needle tubing 1 head by needle tubing 1 afterbody to needle tubing 1 cephalad direction; Described piston 4 end faces are equipped with steel hook 5; Described sheath 6 covers outside needle tubing.
Back-pushed assemble mechanism as described in Figure 2, it comprises the core bar 7 that advances needle stand 2, and described core bar 7 diameters are less than needle tubing 1 internal diameter, and length is greater than needle tubing 1 length, is provided with pressure transducer 8 at an end of core bar 7.
Above-mentioned back-pushed assemble mechanism can also be designed to numerical control and advance, it comprises firm banking, motor, control circuit and core bar, motor is installed on the firm banking, the output shaft of motor is connected with core bar, the fixing described core bar diameter of core bar and fixture is less than the needle tubing internal diameter, length is provided with pressure transducer greater than needle tubing length between core bar and motor; Pressure transducer and motor are electrically connected with control circuit, and controlled and setting.
The installation method of above-mentioned disposable syringe, its concrete steps are:
1) at first needle stand is put into needle tubing down by the little end of sectional area;
2) push needle stand with the back-pushed assemble mechanism then and embed the needle tubing head to correct position;
3) be pushed into behind the correct position needle tubing is inserted the pin hole that is arranged on the needle stand, the needle tubing that is adhesively fixed covers sheath.
During concrete enforcement, can set the pressure size of pressure transducer, then needle tubing be fixed, needle stand be headed into overcoat with core bar according to experimental result.Needle stand that heads into like this and the compactness unanimity between the needle tubing, then when pulling out needle stand, the strength unanimity of use.
Claims (6)
1, disposable syringe, it is characterized in that: it comprises needle tubing, needle stand and steel hook, overcoat, core bar, piston and sheath, described needle tubing is mounted on the needle stand, and the inwall of needle stand is provided with protruding stupefied, and closely embeds the needle tubing head by the needle tubing afterbody to the needle tubing cephalad direction; Described piston end surface is equipped with the steel hook; Described sheath covers outside needle tubing.
2, disposable syringe according to claim 1 is characterized in that: the big end of described needle stand sectional area one end is little.
3, disposable syringe according to claim 2 is characterized in that: described hub outer surface is shaped as circular cone, round platform or terrace with edge.
4, disposable syringe according to claim 1 is characterized in that: described steel hook is for penetrating rifle or machinery is pressed into.
5, a kind of method that the described disposable syringe of claim 1 is installed is characterized in that, its concrete steps are:
1) at first needle stand is put into needle tubing down by the little end of sectional area;
2) push needle stand with the back-pushed assemble mechanism then and embed the needle tubing head to correct position;
3) be pushed into behind the correct position needle tubing is inserted the pin hole that is arranged on the needle stand, the needle tubing that is adhesively fixed covers sheath.
6, the installation method of disposable syringe according to claim 5, it is characterized in that: described back-pushed assemble mechanism, it comprises firm banking, motor, control circuit and core bar, motor is installed on the firm banking, the output shaft of motor is connected with core bar, the fixing described core bar diameter of core bar and fixture is less than the needle tubing internal diameter, and length is provided with pressure transducer greater than needle tubing length between core bar and motor; Pressure transducer and motor are electrically connected with control circuit, and controlled and setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100523893A CN101564566A (en) | 2009-06-02 | 2009-06-02 | Disposable injector, mounting method and special mounting equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100523893A CN101564566A (en) | 2009-06-02 | 2009-06-02 | Disposable injector, mounting method and special mounting equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101564566A true CN101564566A (en) | 2009-10-28 |
Family
ID=41281041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100523893A Pending CN101564566A (en) | 2009-06-02 | 2009-06-02 | Disposable injector, mounting method and special mounting equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101564566A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843360A (en) * | 2016-08-17 | 2019-06-04 | 尼莎·沙惠尼 | Inject monitoring device and system |
-
2009
- 2009-06-02 CN CNA2009100523893A patent/CN101564566A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109843360A (en) * | 2016-08-17 | 2019-06-04 | 尼莎·沙惠尼 | Inject monitoring device and system |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20091028 |