CN103190920A - Disposable double-insurance blood taking needle - Google Patents
Disposable double-insurance blood taking needle Download PDFInfo
- Publication number
- CN103190920A CN103190920A CN2012100059824A CN201210005982A CN103190920A CN 103190920 A CN103190920 A CN 103190920A CN 2012100059824 A CN2012100059824 A CN 2012100059824A CN 201210005982 A CN201210005982 A CN 201210005982A CN 103190920 A CN103190920 A CN 103190920A
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- Prior art keywords
- needle
- blood taking
- medicated cap
- pin medicated
- safety helmet
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- 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.)
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Abstract
The invention discloses a disposable double-insurance blood taking needle which comprises a needle handle, a needle cap and a needle body arranged in the needle handle and the needle cap; and one end of the needle cap is connected with the needle handle through an easily twisted-off connecting structure. The disposable double-insurance blood taking needle is characterized in that a safety cap, which is buckled outside the needle cap before use, and is overturned and buckled at the end part of the needle handle after use, is arranged at the outer end of the needle cap. The disposable double-insurance blood taking needle solves the problem that no protection measure is taken for the needle tip part after a conventional blood taking needle is used, so that injuries to operators are easily caused. The disposable double-insurance blood taking needle has a simple structure, is convenient to use, prevents secondary pollution and accident injury of the needle tip through a capping manner and a needle withdrawing manner, and has the effect of security insurance before and after use.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically a kind of disposable blood taking needle.
Background technology
Existing blood taking needle for fear of germina infection, generally all adopts disposable blood taking needle.Common disposable blood taking needle mainly is made up of needle body, needle handle and the pin medicated cap of band needle point, and the pin one is fixed in the needle handle, and needle point stretches out and is inserted in the pin medicated cap from an end of needle handle, and the transition structure by the envelope needle body between needle handle and the pin medicated cap is connected.The needle body of this structure blood taking needle adopts stainless steel material, and needle handle and pin medicated cap adopt plastics, during making needle body are put into the die cavity single injection-molded, and needle body is fixed in the needle handle and pin medicated cap that plastic material makes the most at last.Turn the pin medicated cap during use, make the fracture of pin medicated cap and needle handle transition junction, pull up the needle point that the pin medicated cap exposes certain-length then.This technical scheme is because injected plastics material and technological level restriction, often make between needle body and the needle handle to be connected fastness not enough, when using, owing to covering with pin, needle handle is connected, need twist into two parts and tide over connection and just can extract pin lid, and in rotation pin lid process, cause needle body loosening easily, even connect the phenomenon that needle body is extracted together.
Therefore, the patent No. is 01244816.8, a kind of disposable notes formula blood taking needle is disclosed, it comprises needle body, needle handle and the pin medicated cap of being with needle point, needle body is fixed in the needle handle, needle point stretches out and is inserted in the pin medicated cap from an end of needle handle, and the transition structure by the envelope needle body between needle handle and the pin medicated cap is connected, and it is characterized in that: the needle body that is fixed in the needle handle is provided with locking fixed structure.Though this blood taking needle has solved the potential safety hazard that fixing, the needle point of needle body leak outside, but the problem that in use still has poor stability, outside the needle point of the blood taking needle that namely uses is exposed to fully, abandon or when handling medical waste, very easily cause operator's unexpected injury and the danger of cross infection, therefore, a kind ofly all can prevent operator's maloperation before use with after using, and unexpected injury and then cause the cross infection blood taking needle to become the target that those skilled in the art pursue.
Summary of the invention
The objective of the invention is to solve existing blood taking needle does not have protective measure after use, easily operator are caused the problem of unexpected injury and cross infection.
For realizing that goal of the invention adopts technical scheme to be: disposable dual fail-safe blood taking needle, comprise needle handle, pin medicated cap and be located at needle handle, the interior needle body of pin medicated cap, one end of pin medicated cap is connected by a syndeton of easily twisting into two parts with needle handle, it is characterized in that: the outer end of described pin medicated cap is provided with one and is fastened on the safety helmet that the pin medicated cap is outer, can returning buckle be combined in the needle handle end after using before using.
As preferably, be provided with the container cavity suitable with the pin medicated cap in the described safety helmet, and the external diameter of the internal diameter of the outer wall of described safety helmet and needle handle is suitable; The outer wall of described safety helmet extends back, and forms one at the other end of safety helmet and is used for admitting the cavity of described needle handle end, and the internal diameter of the outer wall of the rear end of described safety helmet and the external diameter of described needle handle are suitable.
As preferably, described cavity inner bottom part is provided with a top board that is used for the described needle body in top.
As preferably, the surface of described top board is the evagination arc surfaced.
As preferably, described pin cap surface is provided with anti-skidding stricture of vagina.
As preferably, described pin medicated cap is rectangular shape; Or described pin medicated cap is cylindrical shape, and the side of described pin medicated cap has a planar section.
The present invention is owing to the pin medicated cap at common blood taking needle has increased safety helmet; and the structure cleverly by safety helmet; safety helmet rear end and needle handle front end are fastened, after blood taking needle uses, exposed needle point is protected by safety helmet; thereby the blood taking needle after having avoided using; because of the careless prick skin of operator, or cleaning worker causes cross infection because of arrangement medical waste prick skin; blood taking needle of the present invention has advantage simple in structure, easy to use.
The present invention further realizes the withdraw of the needle by the top board that is located in the safety helmet cavity, and needle point is carried out again pre-anti-secondary pollution and anti-unexpected injury, has two security insurance effects.
Description of drawings
Fig. 1: the structural representation that is the prior art blood taking needle;
Fig. 2: the structural representation that is the prior art blood taking needle;
Fig. 3: be decomposition texture sketch map of the present invention;
Fig. 4: the structural representation that is blood taking needle of the present invention;
Fig. 5: the structural representation that is blood taking needle of the present invention;
Fig. 6: be blood taking needle safety helmet of the present invention and pin medicated cap separated position structural representation;
Fig. 7: be that blood taking needle of the present invention uses the safe fastening structure sketch map in back.
Reference numeral:
Needle handle 1 pin medicated cap 2 transition structures 3 safety helmets 4
Main inspection pin hole 11 secondary inspection pin holes 12
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail.
Referring to Fig. 3-7, disposable dual fail-safe blood taking needle of the present invention, its structure comprises needle body 5, needle handle 1 and the pin medicated cap 2 of being with needle point 52, needle body 5 is fixed in the needle handle 1, needle point 52 stretches out and is inserted in the pin medicated cap 2 from an end of needle handle 1, and the transition structure that is easy to fracture 3 by the envelope needle body is connected between needle handle 1 and the pin medicated cap 2.Needle body 5 is to be injection-moulded among the needle handle 1, and needle point 52 disposable being injection-moulded in the described pin medicated cap 2 of needle body 5 front ends, the excessive structure 3 that connects pin medicated cap 2 and needle handle 1 also is single injection-molded, this transition structure 3 has less outside dimension, be easy to twist into two parts, the other end of needle body 5 is processed with the backshank 51 that is hook solid, and the afterbody of needle handle 1 is provided with main inspection pin hole 11, backshank 51 is positioned among the main inspection pin hole 11 of needle handle end and is stuck on the dividing plate of needle handle 2 inside, prevents that needle body 5 from pulling out.Characteristics of the present invention are: be provided with a safety helmet 4 in the outer end of described pin medicated cap 2, safety helmet 4 has the outer wall 45 of tubular, in safety helmet 4 outer walls 45, be provided with the container cavity 41 suitable with pin medicated cap 2, and the internal diameter of the outer wall 45 of safety helmet 4 and the external diameter of needle handle 1 are suitable, safety helmet 4 is fastened on the described pin medicated cap 2, and outer wall 45 is fastened on the front end of needle handle 1; The outer wall 45 of safety helmet 4 extends back, and forms one for the cavity 42 of admitting described needle handle 1 leading section in the rear end of safety helmet, and the internal diameter of the outer wall 45 of the rear end of safety helmet 4 and the external diameter of described needle handle 1 are suitable.For will with after needle point 52 be hidden in the needle handle 1, improve safety, can also be provided with a top board 44 at cavity 42 inner bottom parts, top board 44 is preferably the evagination arc surfaced, the thimble operation of being more convenient for.
In order to make safety helmet 4 be easy to drive 2 rotations of pin medicated cap, also can be provided with vertical or oblique anti-skidding stricture of vagina (not shown) on pin medicated cap 2 surfaces, be convenient to 2 rotations of safety helmet 4 drive pin medicated caps and extract.Also pin medicated cap 2 can be made as rectangular shape, so that insert container cavity 41.Perhaps can to adopt the one side be one plane cylindric to the pin medicated cap, and so design safety medicated cap 4 all can drive the rotation of pin medicated cap easily, takes off the pin medicated cap, and economical with materials.
Outside safety helmet 4 outer walls 45, be provided with a pair of earflaps 43, be convenient to safety helmet 4 rotations.
During use, at first spin safe medicated cap 4 earflaps 43 drive 2 rotations of pin medicated cap and twist off transition structure 3 by safety helmet 4, extract pin medicated cap 2, needle point 52 are exposed the operation of taking a blood sample; The blood sampling EO, upset safety helmet 4, the cavity 42 of the head of needle handle 1 being aimed at safety helmet 4 injects, safety helmet 4 is with needle handle 1 head security closure, the outer convex globoidal 44 of cavity 42 bottoms props up needle point 52, and among needle point 52 propelling needle handles 1, backshank 51 retreats in the main inspection pin hole 11.
Backshank 51 also can be arranged to flat-shaped or bending, and its purpose makes the radial dimension of needle body 5 become big, when preventing from unpluging pin medicated cap 2 needle body 5 is pulled out.
Main inspection pin hole 11 is used for the withdraw of the needle and production process checks the dropped stitch situation, and secondary inspection pin hole 12 is mainly used in checking the dropped stitch situation.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (6)
1. disposable dual fail-safe blood taking needle, comprise needle handle, pin medicated cap and be located at needle handle, the interior needle body of pin medicated cap, one end of pin medicated cap is connected by a syndeton of easily twisting into two parts with needle handle, it is characterized in that: the outer end of described pin medicated cap is provided with one and is fastened on the safety helmet that the pin medicated cap is outer, can returning buckle be combined in the needle handle end after using before using.
2. disposable dual fail-safe blood taking needle according to claim 1 is characterized in that: be provided with the container cavity suitable with the pin medicated cap in the described safety helmet, and the external diameter of the internal diameter of the outer wall of described safety helmet and needle handle is suitable; The outer wall of described safety helmet extends back, and forms one at the other end of safety helmet and is used for admitting the cavity of described needle handle end, and the internal diameter of the outer wall of the rear end of described safety helmet and the external diameter of described needle handle are suitable.
3. disposable dual fail-safe blood taking needle according to claim 2 is characterized in that: described cavity inner bottom part is provided with a top board that is used for the described needle body in top.
4. disposable dual fail-safe blood taking needle according to claim 3, it is characterized in that: the surface of described top board is the evagination arc surfaced.
5. according to claim 1-4 each described disposable dual fail-safe blood taking needle wherein, it is characterized in that: described pin cap surface is provided with anti-skidding stricture of vagina.
6. wherein go back each described disposable dual fail-safe blood taking needle according to claim 1-4, it is characterized in that: described pin medicated cap is rectangular shape; Or described pin medicated cap is cylindrical shape, and the side of described pin medicated cap has a planar section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100059824A CN103190920A (en) | 2012-01-10 | 2012-01-10 | Disposable double-insurance blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100059824A CN103190920A (en) | 2012-01-10 | 2012-01-10 | Disposable double-insurance blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103190920A true CN103190920A (en) | 2013-07-10 |
Family
ID=48713870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100059824A Pending CN103190920A (en) | 2012-01-10 | 2012-01-10 | Disposable double-insurance blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103190920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214244A (en) * | 2019-09-17 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0630609A2 (en) * | 1993-06-21 | 1994-12-28 | Boehringer Mannheim Gmbh | Blood lancet device for obtaining blood samples for diagnosis purposes |
| CN2308348Y (en) * | 1997-07-31 | 1999-02-24 | 苏州医疗用品厂 | Disposable aseptic blood taking needle |
| EP1690562A1 (en) * | 2003-11-21 | 2006-08-16 | TSK Laboratory Japan | Syringe needle |
| CN101778599A (en) * | 2007-07-21 | 2010-07-14 | 斯坦利·金 | Lancet system |
| CN201642037U (en) * | 2010-02-04 | 2010-11-24 | 安徽省康达医疗用品有限公司 | Cap-type blood taking needle |
| CN201642036U (en) * | 2010-02-04 | 2010-11-24 | 安徽省康达医疗用品有限公司 | Cylindrical blood taking needle |
| CN202036224U (en) * | 2011-03-31 | 2011-11-16 | 陈久樑 | Blood taking needle in secure connection |
| CN102283655A (en) * | 2011-07-20 | 2011-12-21 | 杨莲英 | Double insurance disposable blood taking needle |
| CN202408913U (en) * | 2012-01-10 | 2012-09-05 | 杨莲英 | Disposable double-insurance blood taking needle |
-
2012
- 2012-01-10 CN CN2012100059824A patent/CN103190920A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0630609A2 (en) * | 1993-06-21 | 1994-12-28 | Boehringer Mannheim Gmbh | Blood lancet device for obtaining blood samples for diagnosis purposes |
| CN2308348Y (en) * | 1997-07-31 | 1999-02-24 | 苏州医疗用品厂 | Disposable aseptic blood taking needle |
| EP1690562A1 (en) * | 2003-11-21 | 2006-08-16 | TSK Laboratory Japan | Syringe needle |
| CN101778599A (en) * | 2007-07-21 | 2010-07-14 | 斯坦利·金 | Lancet system |
| CN201642037U (en) * | 2010-02-04 | 2010-11-24 | 安徽省康达医疗用品有限公司 | Cap-type blood taking needle |
| CN201642036U (en) * | 2010-02-04 | 2010-11-24 | 安徽省康达医疗用品有限公司 | Cylindrical blood taking needle |
| CN202036224U (en) * | 2011-03-31 | 2011-11-16 | 陈久樑 | Blood taking needle in secure connection |
| CN102283655A (en) * | 2011-07-20 | 2011-12-21 | 杨莲英 | Double insurance disposable blood taking needle |
| CN202408913U (en) * | 2012-01-10 | 2012-09-05 | 杨莲英 | Disposable double-insurance blood taking needle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214244A (en) * | 2019-09-17 | 2020-06-02 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
| CN111214244B (en) * | 2019-09-17 | 2022-09-13 | 天津华鸿科技股份有限公司 | Blood taking needle and blood taking pen with same |
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Application publication date: 20130710 |