CN2882654Y - Safety self-destroying disposable aseptic syringe - Google Patents
Safety self-destroying disposable aseptic syringe Download PDFInfo
- Publication number
- CN2882654Y CN2882654Y CN 200520140387 CN200520140387U CN2882654Y CN 2882654 Y CN2882654 Y CN 2882654Y CN 200520140387 CN200520140387 CN 200520140387 CN 200520140387 U CN200520140387 U CN 200520140387U CN 2882654 Y CN2882654 Y CN 2882654Y
- Authority
- CN
- China
- Prior art keywords
- ring
- syringe
- push rod
- ram seat
- annular
- 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
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safety self-destruction disposal sterilized injector comprising a needle cylinder, a needle base, and a handspike. The needle cylinder has a ring blocking ring at the front end; the handspike is provided with a piston ring and connected with a ring cap at the top; the needle base has an injection nozzle at the front end, an elastic sealing ring at the shell, and a hollow chamber at the back. The chamber is communicated with the injection nozzle. The hollow chamber has a ring shrinkage top at the edge and matching with the ring cap. The inner diameter of the ring shrinkage top is relatively smaller than that of the ring cap; the back end of the needle cylinder is provided with a handspike base, which is assembled by several blocks. The middle of the handspike base ahs an orifice matching with the handspike. The external wall of the handspike base has a ring heave, and the back end of the needle cylinder has a ring groove matching with the ring heave. With simple structure, the utility model realizes the self-destruction of injectors and the collection of needles, thus ensuring the using safety.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, specifically is a kind of syringe.
Background technology
In use there is following defective in existing disposable syringe: 1, syringe needle point is stabbed medical personnel easily; 2, syringe itself is repeated to use; 3, the syringe after the use is handled inconvenient.The potential danger of existing syringe is possible make medical personnel injured, perhaps makes repeated use person infect the disease of propagating through blood.
The utility model content
The purpose of this utility model provides a kind of safety self-destructed disposable asepsis injector, can prevent in the middle of using that the needle point of syringe from stabbing medical personnel, and self-destruction after use, makes syringe to reuse, and avoids causing nosocomial infection.
The technical solution of the utility model is:
Safety self-destructed disposable asepsis injector includes syringe, needle stand, push rod, it is characterized in that described syringe front end has annular retaining ring; Be with piston ring on the described push rod, the push rod top is connected with a ring cap; The needle stand front end has injection nozzle, the flexible sealing ring of needle stand overcoat, and there is a cavity at the needle stand rear portion, and cavity and injection nozzle link, and cavity sides matches with ring cap along an annular contraction mouth is arranged, and the internal diameter of annular contraction mouth is slightly less than ring cap; The rear end of syringe is equipped with ram seat, and ram seat is put together by several, in the middle of the ram seat perforate that cooperates with push rod is arranged, and on the outer wall of ram seat annular projection is arranged, and the inwall of back end of syringe has the annular groove that cooperates with annular projection.
Described push rod is the cross push rod, and the perforate on the ram seat is cross perforate, and described ram seat is put together by two, and the rear end of syringe is installed.
Described ring cap front end central part has a guide rod, and the rear side of push rod upper piston ring has the annular projection on positive stop and the ram seat inwall to cooperate.
Operation principle:
Assembling: the front end of syringe has annular retaining ring, and central authorities are perforates, and needle stand is pushed in the syringe, because the flexible sealing ring of needle stand overcoat, so be that leakproof cooperates between sealing ring and the syringe inwall, stops that owing to annular retaining ring needle stand can not deviate from syringe; Again push rod being advanced syringe, be with piston ring on the push rod, is can seepage during for liquid medicine injection; Utilize the elasticity of elasticity syringe itself, again two ram seat are filled in the syringe from the syringe rear portion, annular projection on the ram seat outer wall after the amalgamation, just in time snap in the annular groove on the syringe inwall, make ram seat not throw off from syringe, so far, the self-destruction type disposable syringe promptly is assembled into merit.
Use: with being with syringe needle on the pin mouth, pull back push rod,, medicinal liquid is sucked in the syringe because the negative pressure in the syringe absorbs.During injection, push rod forward, at this moment medicinal liquid advances to human body, after medicinal liquid uses up, push rod is pushed ahead again, at this moment, ring cap is pressed through annular contraction mouth, enters in the cavity at needle stand rear portion, because the position-limiting action of annular contraction mouth, make ring cap can not throw off annular contraction mouth, make push rod and needle stand connect as one.Pull back push rod again, at this moment needle stand also moves in syringe thereupon backward, and syringe needle also is stowed in the syringe thereupon, prevents to accidentally injure danger.Because ram seat can not throw off syringe, when crossing annular projection on the ram seat inwall, the positive stop on the push rod is lockable, and make push rod in syringe, come and go and move, fully self-destroying function.
The beneficial effects of the utility model:
1, safe and reliable.Medical personnel are withdrawn into needle point in the syringe after using fully, have avoided needle point to hurt sb.'s feelings, and also are convenient to Biohazard Waste and handle.
2, self-destroying function.Because push rod and needle stand connect as one, and push rod pinned by ram seat, can't move back and forth, so this syringe can not continue use again.
Description of drawings
Fig. 1 is this utility model syringe cylinder structure sketch map.
Fig. 2 is this utility model pusher structure sketch map.
Fig. 3 is this utility model needle stand cutaway view.
Fig. 4 is the end view drawing after two ram seat of this utility model are integrated.
Fig. 5 is the sketch map of this utility model ram seat.
The specific embodiment
Referring to accompanying drawing.
This utility model includes syringe 1, needle stand 13, push rod 14 by safety self-destructed disposable asepsis injector, and syringe 1 front end has annular retaining ring 2; Push rod 14 front ends are with the piston ring 4 of elastomeric material, and push rod 14 tops are connected with a ring cap 5, and the main part of push rod is a cross-bar; Needle stand 13 front ends have injection nozzle 9, the flexible sealing ring 8 of needle stand 13 overcoats, and there is a cavity 6 at needle stand 13 rear portions, cavity 6 links with injection nozzle 9, there is an annular contraction mouth 7 at cavity 6 edges, match with ring cap 5, and the internal diameter of annular contraction mouth 7 is slightly less than ring cap 5; The rear end of syringe 1 is equipped with ram seat 10, ram seat 10 is put together by two, after ram seat 10 merges into a single whole, the cross perforate that cooperates with the cross-bar of push rod 14 is arranged in the middle of its rear end, the centre of ram seat is a cavity, ram seat 10 is semicircle, and push rod 14 can slide before and after cross perforate, and ram seat 10 wraps in outside the push rod 14.Annular projection 11 is arranged on the outer wall of ram seat 10, and the inwall of syringe 1 rear end has the annular groove 3 that cooperates with annular projection 11.
Described ring cap 5 front end central parts have a guide rod, can be advanced into injection nozzle 9.The rear side of push rod 14 upper piston rings has positive stop 15, is lockable after positive stop is crossed annular projection 16 on ram seat 10 inwalls, makes push rod can not move forward and backward in syringe 1.
Claims (3)
1, safety self-destructed disposable asepsis injector includes syringe, needle stand, push rod, it is characterized in that described syringe front end has annular retaining ring; Be with piston ring on the described push rod, the push rod top is connected with a ring cap; The needle stand front end has injection nozzle, the flexible sealing ring of needle stand overcoat, and there is a cavity at the needle stand rear portion, and cavity and injection nozzle link, and cavity sides matches with ring cap along an annular contraction mouth is arranged, and the internal diameter of annular contraction mouth is slightly less than ring cap; The rear end of syringe is equipped with ram seat, and ram seat is put together by several, in the middle of the ram seat perforate that cooperates with push rod is arranged, and on the outer wall of ram seat annular projection is arranged, and the inwall of back end of syringe has the annular groove that cooperates with annular projection.
2, syringe according to claim 1 is characterized in that described push rod is the cross push rod, and the perforate on the ram seat is cross perforate, and described ram seat is put together by two, and the rear end of syringe is installed.
3, syringe according to claim 1 is characterized in that described ring cap front end central part has a guide rod, and the rear side of push rod upper piston ring has the annular projection on positive stop and the ram seat inwall to cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140387 CN2882654Y (en) | 2005-12-26 | 2005-12-26 | Safety self-destroying disposable aseptic syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520140387 CN2882654Y (en) | 2005-12-26 | 2005-12-26 | Safety self-destroying disposable aseptic syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2882654Y true CN2882654Y (en) | 2007-03-28 |
Family
ID=37955716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520140387 Expired - Fee Related CN2882654Y (en) | 2005-12-26 | 2005-12-26 | Safety self-destroying disposable aseptic syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2882654Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021217782A1 (en) * | 2020-04-26 | 2021-11-04 | 安徽宏宇五洲医疗器械股份有限公司 | Auto-disable safety syringe |
-
2005
- 2005-12-26 CN CN 200520140387 patent/CN2882654Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021217782A1 (en) * | 2020-04-26 | 2021-11-04 | 安徽宏宇五洲医疗器械股份有限公司 | Auto-disable safety syringe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6603742B2 (en) | Fluid delivery apparatus and method | |
| CN100444909C (en) | Single-use syringe | |
| US20030144627A1 (en) | Spring launched needle safety clip | |
| CN107073242A (en) | Fluid delivery system or external member with retractable needles and barrier film | |
| WO2009127077A1 (en) | Pre-filled automatically retractable safe injector | |
| WO1992021395A1 (en) | Auto-retracting needle injector system | |
| US20130144255A1 (en) | Syringe assemblies including a safety shield for a needle | |
| CN106310459B (en) | The uniform and automatic injection device of gasbag-type | |
| US20170216533A1 (en) | Syringe assembly with automatic safety sheild | |
| CN201505347U (en) | Improved self-destruction safety injector | |
| CN101099876B (en) | Active type safety syringe and safety injection needle | |
| CN101954133B (en) | Safe intravenous infusion needle | |
| CN2882654Y (en) | Safety self-destroying disposable aseptic syringe | |
| CN105709309A (en) | Intelligent safe injection syringe | |
| CN113171518B (en) | Child-assisted automatic hypodermic syringe | |
| CN201603194U (en) | Safety intravenous infusion needle | |
| MXPA00008996A (en) | Pre-filled retractable needle injection device. | |
| CN109200397A (en) | Applied to the protection sleeve pipe on syringe | |
| CN204521810U (en) | Disposable safe venous needle | |
| CN211583180U (en) | Novel medical needle | |
| CN101370538B (en) | An ampoule usable as a syringe and a syringe unit comprising the ampoule | |
| CN202036625U (en) | Novel first-aid needle | |
| CN209529704U (en) | A kind of medicine feed device for children's internal medicine | |
| CN210057003U (en) | Portable syringe for medical care | |
| CN210698249U (en) | Anti-acupuncture syringe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |