CN2640489Y - Disposable safety self-destroying syringe - Google Patents
Disposable safety self-destroying syringe Download PDFInfo
- Publication number
- CN2640489Y CN2640489Y CN 03253522 CN03253522U CN2640489Y CN 2640489 Y CN2640489 Y CN 2640489Y CN 03253522 CN03253522 CN 03253522 CN 03253522 U CN03253522 U CN 03253522U CN 2640489 Y CN2640489 Y CN 2640489Y
- Authority
- CN
- China
- Prior art keywords
- push rod
- syringe
- safety self
- disposable safety
- ruined
- 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
Images
Abstract
The utility model discloses a disposable safety self-destruction injector, which belongs to the field of medical instruments, in particular to a disposable injection-used medical instrument, and comprises a needle bar, an injection needle, an injector sleeve (8), and a push rod (7) arranged in the injector sleeve (8). The utility model is characterized in that: the upper part of the push rod (7) is step-shaped, and covered with a seal rubber plug (5); an elastic back-drawing rod (4) is arranged at the center in the upper part of the rubber plug (5). The utility model has the advantages of a simple structure, an easy operation, a safe and convenient usage, the ability not to leave pain to patients, and a convenient and inerrable self-destruction.
Description
Technical field
This utility model belongs to medical instruments field, specifically is the disposable injection medical apparatus and instruments.
Background technology
Disposable syringe is widely used in medical field as conventional medical apparatus and instruments, but for various reasons, cross infection happens occasionally, in using and clear up, injection infects the also corresponding increase of ratio of fatal pathogenic bacteria because of accidental puncture, its height hazardness has constituted serious threat to the people and vast medical care service personal's life, although some research worker and research institution have developed some these type of syringes in succession at present, but all there are some defectives, the self-destroyed syringe that for example has has reached the self-destruction purpose, but because of the defective of design, and increased patient's pain; The product that has has reached the effect of safe handling, but product structure complexity, cost height, production efficiency are low.Through " Chinese patent " retrieval, safety self-destructing syringe has been applied for multinomial patent, as: " Chinese patent " application number: 00259261.4, the applying date: on November 22nd, 2000, applicant: Shen Ting, denomination of invention: needle retractable damage type safety injector comprises: syringe needle, pintle, syringe; It is characterized in that: a syringe needle is put on the top of needle holder, its lower ending opening place is provided with interior tongue, a micro groove is established in the outside of needle holder, put a sealing ring on it, the top of syringe is provided with a neck, needle holder places in the neck, combine closely with it, and by the sealing ring connection, the top of pintle is equipped with packed-piston, and a groove is established in the centre of packed-piston, its built-in barbed body, this utility model is simple in structure, easy to use, economical and practical, safe and reliable, has both kept original syringe characteristic, can solve the purpose of damage syringe needle part, disabling syringe again preferably.The subject matter that exists is complex structure, the cost of manufacture height.
The utility model content
The technical problems to be solved in the utility model is: overcome the problem that prior art exists, provide a kind of simple in structure, easy to operate, safe and convenient to use, the patient is painless, the convenient errorless disposable safety self-ruined syringe of self-destruction.
The technical scheme that its technical problem that will solve this utility model adopts is: this disposable safety self-ruined syringe, comprise: needle stand, entry needle, syringe sleeve 8 and be positioned at the push rod 7 of syringe sleeve 8, it is characterized in that: push rod 7 tops are step-like, be with fluid sealant plug 5 outward, sealing center, plug 5 top is provided with the elasticity bar 4 of pulling back.
The below of position, push rod 7 upper middle sealing plug 5 also is provided with the groove 6 that fractures.The elasticity that sealing center, plug 5 top is provided with is pulled back bar 4 for barb-like or hook-shaped.Main effect is elasticity to be stuck in the needle stand bottom, drives needle stand when pulling back and gets final product, and the step-like of push rod 7 tops is many laterally prominent muscle, and the sealing plug 5 of overcoat is that " worker " word is tubular.Be positioned at syringe sleeve 8 outer push rod 7 bottoms and be provided with installation sign 9.Mainly in order to prevent that production line assembling and medical personnel from using when operating, and is pushed into push rod 7 end and causes product to use.Push rod 7 is axially arranged with many prominent muscle, and the groove 6 top spacer rings that fracture are arranged with the laterally prominent muscle of one or more, preferred two.Needle stand 3 bottom inside are provided with belt projection.
The effect of having a mind to that compared with prior art disposable safety self-ruined syringe of the present utility model had is: because the position of sealing plug 5 is installed on design push rod 7 tops is step-like, be with fluid sealant plug 5 outward, sealing center, plug 5 top is provided with the elasticity bar 4 of pulling back.The below of position, push rod 7 upper middle sealing plug 5 also is provided with the groove 6 that fractures.Pull back after the use, needle stand 3, entry needle 2 can be retracted in the syringe sleeve 8, entry needle 2 tilts to lean against on syringe sleeve 8 inwalls, and when push rod 7 was released forward, entry needle 2 can be bent, and can not reuse to reach the disposable purpose of safety.Groove 6 places that fracture at position, push rod 7 upper middle once more pull back, a little firmly push rod 7 can be fractureed, dual fail-safe guarantees and can not reuse, the recovery repeatedly that prevents disposable syringe is used, and the cross infection that medical care or service personal stab appearance when putting rubbish in order threatens for people's the security of the lives and property, really reached the purpose of safety self-destruct.Have advantages such as simple in structure, easy to operate, safe and convenient to use, that the patient is painless, self-destruction is conveniently errorless simultaneously, be fit to produce in enormous quantities.
Description of drawings
Fig. 1 is this utility model disposable safety self-ruined syringe internal structure sketch map;
Fig. 2 is another structural representation of this utility model disposable safety self-ruined syringe.Fig. 1 is a most preferred embodiment of the present utility model, and wherein: 1 pin medicated cap, 2 entry needles, 3 needle stands, 4 elasticity bar 5 plugs 6 groove 7 push rods 8 injector cartridges 9 that fracture of pulling back are installed and indicated 10 and press hands.Below in conjunction with accompanying drawing disposable safety self-ruined syringe of the present utility model is described further:
The specific embodiment
As shown in Figure 1, this disposable safety self-ruined syringe, by needle stand 3, entry needle 2 is fixed on the needle stand 3, syringe sleeve 8 and be positioned at the push rod 7 of syringe sleeve 8, the position that sealing plug 5 is installed on push rod 7 tops is step-like, promptly by many laterally prominent muscle, be with the tubular sealing plug 5 of " worker " word outward, prominent muscle is stuck with the tubular sealing plug 5 of " worker " word, makes its connection more firm, and the push rod 7 at sealing center, plug 5 top has a centre bore, the barb-like elasticity bar 4 of pulling back is bonded and fixed in the centre bore by binding agent, and last plane is parallel.The below of position, push rod 7 upper middle sealing plug 5 also is provided with the groove 6 that fractures.The installation that outer end, push rod 7 bottom is provided with indicates 9.Mainly in order to prevent that production line assembling and medical personnel from using when operating, and is pushed into push rod 7 end and causes product to use.Push rod 7 is axially arranged with many prominent muscle and makes things convenient for push-and-pull, is generally two the bests.The groove 6 top spacer rings that fracture are arranged with the laterally prominent muscle of one or more, preferred two main barrier effects that rise, be stuck in injector cartridge 8 bottom inside, prevent from when extracting liquid, push rod 7 to be extracted out outside the injector cartridge 8, to 5 further fixations of fastening plug, make it in the push-and-pull process, be unlikely to come off simultaneously.By hands 10 is to design for push-and-pull is convenient.
The sealing plug 5 that push rod 7 bottoms are with also can be designed to and can seal other planforms that are movably connected with syringe sleeve 8.Be with pin medicated cap 1 on the entry needle 2, it is the italic shape that pin medicated cap 1 is axially arranged with prominent muscle, up-small and down-big, pin medicated cap 1 oral area just in time is stuck in choke outside on the syringe sleeve 8, needle stand 3 is clamped in syringe sleeve 8 upper end reducings place and is assembled into one, assembling when finishing entry needle 2 be positioned at outside the syringe sleeve 8, on be with pin medicated cap 1, push rod 7 is positioned at syringe sleeve 8, by sealing plug 5 and syringe sleeve 8 activities and being tightly connected.Pull back bar 4 of elasticity adopts thinner tinsel to make, and top is made as barb-like the best, and the opening of barb is fixed on the top, center of sealing plug 5 greater than the diameter of needle stand 3.Before the use, push rod 7 extracts medicinal liquid together with the push-and-pull up and down in syringe sleeve 8 of sealing plug 5.
As shown in Figure 2, elasticity pull back bar 4 also can be designed to hook-shaped as the circle hook.Needle stand 3 bottom inside also can design the prominent muscle that laterally goes in ring, can be more firm block the barb-like elasticity bar 4 of pulling back.The laterally prominent muscle that goes in ring can not established in sealing plug 5 belows.
During use, the barb-like elasticity that the is positioned at push rod 7 the place aheads bar 4 of pulling back utilizes its elasticity can easily enter needle stand 3 and blocks the needle stand inwall, and some other product has the sense of significantly beating when shifting the end onto, can cause to push away the speed quickening, and therefore the patient can feel that the pain increased.
After the use, catch by hands 10 and retract push rod 7, jammed needle stand 3 is drawn in the syringe sleeve 8 together with entry needle 2, entry needle 2 tilts to lean against on syringe sleeve 8 inwalls, when push rod 7 was released forward, entry needle 2 can be bent, and can not reuse to reach the disposable purpose of safety.Groove 6 places that fracture at position, push rod 7 upper middle once more pull back, a little firmly push rod 7 can be fractureed, dual fail-safe guarantees and can not reuse, the recovery repeatedly that prevents disposable syringe is used, and the cross infection that medical care or service personal stab appearance when putting rubbish in order threatens for people's the security of the lives and property, really reached the purpose of safety self-destruct.
Claims (7)
1, disposable safety self-ruined syringe, comprise: needle stand, entry needle, syringe sleeve (8) and be positioned at the push rod (7) of syringe sleeve (8), it is characterized in that: push rod (7) top is step-like, be with fluid sealant plug (5) outward, center, sealing plug (5) top is provided with the elasticity bar (4) of pulling back.
2, disposable safety self-ruined syringe according to claim 1 is characterized in that: the below of push rod (7) position, upper middle sealing plug (5) also is provided with the groove that fractures (6).
3, disposable safety self-ruined syringe according to claim 1 is characterized in that: the elasticity that center, sealing plug (5) top is provided with is pulled back bar (4) for barb-like or hook-shaped.
4, disposable safety self-ruined syringe according to claim 1 is characterized in that: the step-like of push rod (7) top is many laterally prominent muscle, and the sealing plug (5) of overcoat is that " worker " word is tubular.
5, disposable safety self-ruined syringe according to claim 1 is characterized in that: be positioned at outer push rod (7) bottom of syringe sleeve (8) and be provided with installation sign (9).
6, disposable safety self-ruined syringe according to claim 1 is characterized in that: push rod (7) is axially arranged with many prominent muscle, and the groove that fractures (6) top spacer ring is arranged with the laterally prominent muscle of one or more, preferred two.
7, disposable safety self-ruined syringe according to claim 1 is characterized in that: needle stand (3) bottom inside is provided with belt projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03253522 CN2640489Y (en) | 2003-09-12 | 2003-09-12 | Disposable safety self-destroying syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03253522 CN2640489Y (en) | 2003-09-12 | 2003-09-12 | Disposable safety self-destroying syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2640489Y true CN2640489Y (en) | 2004-09-15 |
Family
ID=34294450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03253522 Expired - Fee Related CN2640489Y (en) | 2003-09-12 | 2003-09-12 | Disposable safety self-destroying syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2640489Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413017A (en) * | 2015-12-30 | 2016-03-23 | 华东交通大学 | Disposable self-destruction injection syringe |
-
2003
- 2003-09-12 CN CN 03253522 patent/CN2640489Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413017A (en) * | 2015-12-30 | 2016-03-23 | 华东交通大学 | Disposable self-destruction injection syringe |
| CN105413017B (en) * | 2015-12-30 | 2018-12-28 | 华东交通大学 | Disposable, self-destroying syringe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2279769A1 (en) | Single-use self-destruction safety syringe without fluid residua | |
| CN2817873Y (en) | Safety and self-destructive disposable syringe of steel needle springback | |
| CN2640489Y (en) | Disposable safety self-destroying syringe | |
| CN109200396A (en) | Needleless injection attachment device | |
| CN2662922Y (en) | Disposable safety syringe | |
| CN211272898U (en) | Prevent stabbing insulin syringe needle | |
| CN101143237A (en) | Steel needle retractable safety self-destructing syringe | |
| CN201020108Y (en) | Steel needle retraction type safety self-destructing injector | |
| CN210355566U (en) | Insulin pen injection is with preventing stabbing device | |
| CN2640497Y (en) | Disposable self-destroying syringe | |
| CN2607146Y (en) | Safety self-destroying syringe | |
| CN204017025U (en) | Self-destroying insulin injector | |
| CN2701454Y (en) | Safety self-destructing syringe | |
| CN202505913U (en) | Disposable pull-back safety self-destruction injector | |
| CN201370854Y (en) | Self-destroying safety injector | |
| CN2850626Y (en) | Telescopic transfusion needle | |
| CN202699769U (en) | Disposable retraction safety injection needle | |
| CN201223605Y (en) | Disposable retraction type injection syringe | |
| CN202446596U (en) | Automatic retraction type safe self-destruction disposable injector | |
| CN1240448C (en) | Disposable safety self destruction injector | |
| CN202637620U (en) | Disposable retracted safety injection needle | |
| CN215741037U (en) | Insulin anti-falling puncture needle head | |
| CN202724383U (en) | Disposable safe self-destroying type injection device | |
| CN216725420U (en) | Syringe for anesthesia department | |
| CN213526422U (en) | Syringe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZONG JIAN Free format text: FORMER OWNER: SHANCHUAN MEDICAL APPLIANCES CO LTD, ZIBO SHANDONG Effective date: 20050204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050204 Address after: 255110, Shandong, Zibo province Zichuan City South Town, Cha Wang Village, Zibo Shandong mountain Medical Equipment Co., Ltd. Patentee after: Zong Jian Address before: 255110, Shandong City, Zibo province Zichuan District South Town check Wang Village Patentee before: Shandong Zibo Shanchuan Medical Instrument Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI DINGJIANTANG BIOCHEMISTRY SCIENCE CO., L Free format text: FORMER OWNER: ZONG JIAN Effective date: 20070105 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070105 Address after: 1993, room 200051, building B, 100 Zunyi Road, Shanghai Patentee after: Shanghai Biotop Technology Co., Ltd. Address before: 255110, Shandong, Zibo province Zichuan City South Town, Cha Wang Village, Zibo Shandong mountain Medical Equipment Co., Ltd. Patentee before: Zong Jian |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhou Mingxiong Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhou Mingxiong Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040915 Termination date: 20110912 |