CN201015668Y - Improved syringe structure - Google Patents
Improved syringe structure Download PDFInfo
- Publication number
- CN201015668Y CN201015668Y CNU2006201497898U CN200620149789U CN201015668Y CN 201015668 Y CN201015668 Y CN 201015668Y CN U2006201497898 U CNU2006201497898 U CN U2006201497898U CN 200620149789 U CN200620149789 U CN 200620149789U CN 201015668 Y CN201015668 Y CN 201015668Y
- Authority
- CN
- China
- Prior art keywords
- positioning seat
- positioning
- push rod
- needle
- pipe
- 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 - Lifetime
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Abstract
The utility model provides an improved structure of syringe and makes medical solution syringe more practical; a needle block of a needle tube of the utility model is mainly arranged to be screwed with a screw tooth of a positioning block to achieve fixing and fitness effect of combination; a pushing rod is provided with a convex-rod hook block, a piston is provided with a convex column and the positioning block is provided with a hook film so that when injection of medical solution is finished, a pump can make the positioning block of the needle tube hooked and retreat to the body of the pump while the positioning block and the needle tube are inclined to further prevent the needle tube from protruding out of the pump body incorrectly, with the excellent effect of ease of use and protective security.
Description
Technical field
This utility model relates to a kind of improved syringe construction.
Background technology
Existing medical fluid injector is hurted sb.'s feelings for the mistake of needle tubing when injection finishes thorn, and two kinds of processing modes are arranged: manually needle tubing is pulled away cylindrical shell, this has accidentally and the anxiety that mistake is stabbed (1); (2) needle tubing is clamp-oned in the cylindrical shell, this has releases needle tubing the anxiety that cylindrical shell has thorn to hurt sb.'s feelings again accidentally again outward.In other words, existing mode all has stings the anxiety of hurting sb.'s feelings again by mistake, and its safety is not good.
The utility model content
Main purpose of the present utility model is to provide a kind of improved syringe construction, and group is decided the needle stand and the positioning seat of needle tubing, is set as that positioning seat has thread and is with needle stand and screws togather, and reaches the effect of firm combination and driving fit.
The purpose of this utility model is also to provide a kind of improved syringe construction, the aperture of positioning seat central through hole is located to be provided with to collude sheet, push rod (purt handle) is provided with nose bar and colludes piece, colluding piece when injecting liquid drug finishes can collude to close and collude sheet, form push rod the positioning seat needle tubing is retracted in the cylindrical shell, prevent the effect that needle tubing mistake thorn is hurted sb.'s feelings.
The purpose of this utility model is to provide a kind of improved syringe construction again, at the piston end surface of push rod front end, be provided with a projection, but be skewed by projection pushing tow positioning seat, and then make needle tubing also be skewed, and must support the effect that strick precaution is released by mistake again in cylindrical shell that hinders.
The purpose of this utility model is further to provide a kind of improved syringe construction, and cylindrical shell, positioning seat are provided with nibbles fixed double wedge mutually, and must prevent positioning seat and the idle effect of needle tubing thereof.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, comprise combined integrated cylindrical shell 10, positioning seat 12, needle stand 19, needle tubing 18, push rod 20, piston 23; These push rod 20 front ends have nose bar 21 and built-up piston 23, on one side piston 23 front end faces are provided with projection 24; This positioning seat 12 is provided with positioning pipe 13 and periphery has leakproof circle 120, its positioning pipe 13 outsides are provided with location wall 14, location wall 14 inwalls are provided with thread 140,19 of the needle stands of needle tubing 18 are provided with flange 190, and needle stand 19 is inserted in 13 of location wall 14, positioning pipes, and the thread 140 of flange 190 and location wall 14 of needle stand 19 closely screws togather; These push rod 20 nose bars 21 terminations are provided with colludes piece 22, the place, aperture of these positioning seat 12 positioning pipes 13 is provided with colludes sheet 15, colluding piece 22 when injecting liquid drug finishes can insert in the positioning pipe 13, formation is colluded piece 22 and can be colluded to close and collude sheet 15, and must spur push rod 20 positioning seat 12 is retreated, reach needle tubing 18 is retracted in the cylindrical shell 10; These cylindrical shell 10 front inner wall are provided with double wedge 11, and positioning seat 12 peripheries are provided with corresponding double wedge 16, and the double wedge 16,11 of positioning seat 12, cylindrical shell 10 is nibbled surely mutually, reach and prevent that positioning seat 12 from rotating; Be provided with in the positioning pipe 13 of this positioning seat 12 and fill pipe 17, can reduce the space of positioning pipe 13 by filling pipe 17, and then reduce the residual quantity of medicinal liquid.
Description of drawings
Fig. 1 is three-dimensional the decomposition and partial sectional view of the present utility model;
Fig. 2 is assembled sectional view of the present utility model;
Fig. 3 is that of the present utility model colluding closed positioning seat state cutaway view;
Fig. 4 is sketch map in the needle tubing income cylindrical shell of the present utility model.
Symbol description
10 cylindrical shells 15 collude sheet 21 nose bars
11,16 double wedges 17 are filled pipe 22 and are colluded piece
12 positioning seats, 18 needle tubings, 23 pistons
13 positioning pipes, 19 needle stands, 24 projections
14 location wall 190 flanges 120 leakproof circles
140 threads, 20 push rods
The specific embodiment
Use step of the present utility model is as follows: earlier needle tubing 18 needle stands 19 are screwed together in location wall 14 threads 140 of positioning seat 12, but i.e. pumping medicinal liquid as shown in Figure 2.When injecting liquid drug finishes when being the state of Fig. 3, the nose bar 21 of push rod 20 colludes piece 22 and can insert in positioning pipe 13 holes and collude to close and collude sheet 15, therefore can retreat push rod 20 and related positioning seat 12, needle stand 19 needle tubings 18 of making retreat, promptly be that needle tubing 18 is retracted in the cylindrical shell 10, reach and take precautions against the safety effect that needle tubing 18 thorns are hurted sb.'s feelings.In addition, as shown in Figure 4, when needle tubing 18 and positioning seat 12 thereof are retracted in the cylindrical shell 10, on one side because of piston 23 end faces are provided with projection 24, and must make positioning seat 12 produce the eccentric effect that tilts, make needle tubing 18 be butted on the double wedge 11 of cylindrical shell 10 inwalls, therefore, when pushing away push rod 20, can be butted on double wedge 11 when wrong because of needle tubing 18, decide effect and form resistance, reach and prevent that needle tubing 18 from being released cylindrical shell 10 effect outward more by mistake.
Therefore, by above-mentioned structure as can be known, the utlity model has following efficacy advantages:
(1) injecting liquid drug finishes, and can get push rod 20 and collude piece 22 and needle tubing 18 positioning seats 12 and collude sheet 15 and collude and close, form simple and easy, conveniently make needle tubing 18 be retracted into effect in the cylindrical shell 10.
(2) piston 23 projections 24 can make positioning seat 12, needle tubing 18 be eccentric skewed, reach to prevent the effect by mistake released once more, and must promote the effect of security protection.
(3) cylindrical shell 10 is provided with positioning seat 12 and nibbles fixed double wedge 11,16 mutually, and the anxiety that can make needle tubing 18 location, rotate when not having injection.
(4) be provided with filling pipe 17 in the positioning pipe 13 of positioning seat 12, the medicinal liquid residual quantity is promptly reduced in the space, hole that must reduce positioning pipe 13, obtains the effect that medicinal liquid injects human body as far as possible.
(5) combination of needle tubing 18 needle stands 19 and positioning seat 12 is set as thread 140, flange 190 screws togather, and obtains ease of assembly and can get closely non-leakage effect.
Claims (5)
1. an improved syringe construction is characterized in that: comprise combined integrated cylindrical shell, positioning seat, needle stand, needle tubing, push rod, piston; Its push rod front end has nose bar and built-up piston, on one side the piston nose face is provided with projection.
2. improved syringe construction according to claim 1, it is characterized in that: this positioning seat is provided with positioning pipe, its positioning pipe outside is provided with the location wall, the location inner wall is provided with thread, the needle stand of needle tubing then is provided with flange, be inserted between location wall, positioning pipe and get needle stand, make hub flange and location wall thread closely screw togather.
3. improvement syringe construction according to claim 1, it is characterized in that: this push rod nose bar termination is provided with colludes piece, the place, aperture of this positioning seat positioning pipe is provided with colludes sheet, colluding piece when injecting liquid drug finishes can insert in the positioning pipe, formation is colluded piece and can be colluded to close and collude sheet, make the pulling push rod that positioning seat is retreated, so that needle tubing is retracted in the cylindrical shell.
4. improved syringe construction according to claim 1 is characterized in that: this barrel front end inwall is provided with double wedge, and the positioning seat periphery is provided with corresponding double wedge, makes the double wedge of positioning seat, cylindrical shell nibble mutually calmly, rotates to prevent positioning seat.
5. improved syringe construction according to claim 1 is characterized in that: be provided with in the positioning pipe of this positioning seat and fill pipe, reduce the space of positioning pipe by filling Guan Erke, to reduce the residual quantity of medicinal liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201497898U CN201015668Y (en) | 2006-12-05 | 2006-12-05 | Improved syringe structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201497898U CN201015668Y (en) | 2006-12-05 | 2006-12-05 | Improved syringe structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201015668Y true CN201015668Y (en) | 2008-02-06 |
Family
ID=39056148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201497898U Expired - Lifetime CN201015668Y (en) | 2006-12-05 | 2006-12-05 | Improved syringe structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201015668Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104906662A (en) * | 2015-01-05 | 2015-09-16 | 名高医疗器械（昆山）有限公司 | Injector |
| CN106456894A (en) * | 2014-02-11 | 2017-02-22 | 苏舍米克斯帕克有限公司 | Syringe |
-
2006
- 2006-12-05 CN CNU2006201497898U patent/CN201015668Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106456894A (en) * | 2014-02-11 | 2017-02-22 | 苏舍米克斯帕克有限公司 | Syringe |
| US10434256B2 (en) | 2014-02-11 | 2019-10-08 | Sulzer Mixpac Ag | Syringe |
| CN104906662A (en) * | 2015-01-05 | 2015-09-16 | 名高医疗器械（昆山）有限公司 | Injector |
| CN104906662B (en) * | 2015-01-05 | 2019-03-12 | 名高医疗器械（昆山）有限公司 | A kind of syringe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080206 |
|
| EXPY | Termination of patent right or utility model |