CN105769218A - Disposable safe self-destruction blood taking needle - Google Patents
Disposable safe self-destruction blood taking needle Download PDFInfo
- Publication number
- CN105769218A CN105769218A CN201610181993.6A CN201610181993A CN105769218A CN 105769218 A CN105769218 A CN 105769218A CN 201610181993 A CN201610181993 A CN 201610181993A CN 105769218 A CN105769218 A CN 105769218A
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- CN
- China
- Prior art keywords
- needle
- blood taking
- spring
- storage
- outlet
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention aims to provide a disposable safe self-destruction blood taking needle which is simple in structure and effectively insulates and protects a blood taking needle head. The disposable safe self-destruction blood taking needle comprises a casing, a needle storage bracket, a needle seat, a spring and a needle head, wherein a clamping groove and a spring hole are formed in the casing; a chute is formed on the periphery of the outlet of the spring hole; clamping buckles, lifting jaws, limiting clamps, sliding jaws and a needle outlet hole are arranged on the needle storage bracket; the needle head is aligned at the needle outlet hole and fixedly connected with the needle seat; the needle seat is mounted on the lifting jaws and connected with the spring; the clamping groove of the casing is connected with the clamping buckles of the needle storage bracket; the limiting clamps are located between the lifting jaws and the sliding jaws and used for preventing the needle seat and the needle head from being separated from the needle storage bracket, and mechanical automatic assembly is facilitated.
Description
Technical field
The present invention relates to a kind of disposable safety self-breaking blood taking needle, more particularly, it relates to when one is to human body peripheral blood pick test, it is possible to puncture rapidly subcutaneous capillary, the convenient utensil gathering blood sample.Belong to blood sampling device field.
Background technology
At present, for preventing blood collection needles after exposed use, particularly the other staff such as health care workers are brought injury by the used blood collection needles of the high-risk patient such as AIDS, and medical institutions progressively adopt the hemostix with function of safety protection, such as disposable safe blood taking needle, blood collecting pen.One people one pin, isolation syringe needle way, preventing cross infection, taking precautions against exposure risk, eliminating the special population fear aspect such as child, all played positive effect.As the auxiliary implement that a kind of basic medical test is indispensable, safe blood-taking needle market capacity is huge, but production efficiency is low.Tracing it to its cause, one is the product of shape such as small-sized seal formula, and part is relatively many, structure versus busy, is not carried out mechanical automation assembling so far；Two is in manual assembly process, and sharp syringe needle lacks isolating and protecting, and the phenomenon stabbing workman's finger happens occasionally, and work efficiency is not high, and production capacity is little.For this, many person skilled have carried out useful exploration, it is proposed that some solutions.Typically there is the lock-fit-type safe blood-taking needle that Chinese patent CN204121025U announces.Component structural has been carried out some and has simplified by this patent, is provided with so-called storage pin chamber in housing, but without storage pin effect, still without isolating and protecting problem to syringe needle in solution assembling process.The protective action of isolation syringe needle is embodied in two aspects, and one is prevent syringe needle from stabbing workman's finger；Two is prevent needle point and other object grazing, damages needle point, reduces sharpness, affect serviceability.Latter aspect acts on and is even more important when realizing mechanical automation assembling.
Summary of the invention
It is desirable to provide a kind of simple in construction, blood collection needles is effectively isolated protection, conveniently realizes the disposable safety self-breaking blood taking needle of mechanical automation assembling.
The technical solution of the present invention is as follows:
Disposable safety self-breaking blood taking needle, including housing, storage needle rack, needle stand, spring and syringe needle, draw-in groove and spring eye it is provided with in described housing, the outlet periphery of spring eye is provided with skewed slot, storage needle rack is provided with buckle, lift pawl, sliding jaw and needle outlet, syringe needle alignment needle outlet is fixing with needle stand to be connected, needle stand is placed in be lifted on pawl, needle stand is connected with spring, the buckle of the draw-in groove of housing and storage needle rack is connected with each other, it is characterized in that: it is also provided with limiting card on storage needle rack, described limiting card is being lifted between pawl and sliding jaw, it is used for preventing needle stand syringe needle to depart from storage needle rack.
The advantage of technique scheme is, syringe needle is fixed with needle stand after being connected, and namely both is inserted in storage needle rack, syringe needle is carried out effective isolating and protecting, conveniently carries out follow-up assembling.
Further technical scheme is, housing is barrel-shaped.
The technical scheme of another step is, the structure of storage needle rack is annular layout.
The technical scheme of another step is that draw-in groove is the cannelure in inner walls.
Technical scheme further is, the outlet of spring eye is crateriform, and skewed slot is the annular ramp that the outlet of crateriform spring eye is peripheral.
The advantage of aforementioned four technical schemes is, loop configuration layout eliminates the orientation problem docked between part in assembling process, conveniently realizes mechanical automation assembling.
Preferred technical scheme is, the outer surface of housing is provided with anti-skidding rib.
Accompanying drawing explanation
Below with reference to drawings and Examples, the present invention is described in further details.
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is the needle stand installation site profile of the present invention.
Accompanying drawing 3 is buckle and the draw-in groove connecting portion profile of the present invention.
In figure each sequence number be respectively as follows: 1, housing；2, storage needle rack；3, needle stand；4, spring；5, syringe needle；11, draw-in groove；12, skewed slot；13, spring eye；21, buckle；, 22, sliding jaw；23, pawl is lifted；24, limiting card；25, needle outlet.
Detailed description of the invention
nullReferring to accompanying drawing，Disposable safety self-breaking blood taking needle shown in the embodiment of the present invention，Including housing 1、Storage needle rack 2、Needle stand 3、Spring 4 and syringe needle 5，Draw-in groove 11 and the spring eye 13 of annular it is provided with in housing 1，The shape outlet peripheral annular slope, volcano of spring eye 13 is skewed slot 12，Storage needle rack 2 is provided with needle outlet 25 and difference is all 3 buckles 21 that equilateral triangle is distributed、3 sliding jaws 22、Lift pawl 23 for 3、3 limiting cards 24，Syringe needle 5 is directed at that needle outlet 25 and needle stand 3 is fixing to be connected，Needle stand 3 is placed in 3 and lifts on pawl 23，It is wrapped in together with syringe needle 5 in storage needle rack 2，Limited by 3 limiting cards 24，It is difficult to depart from storage needle rack 2 without authorization，Needle stand 3 is connected with housing 1 by spring 4，The bottom interference fit of the external diameter of spring 4 and spring eye 13，The draw-in groove 11 of housing and the buckle 21 of storage needle rack are connected with each other.
When producing disposable safety self-breaking blood taking needle, housing 1, storage needle rack 2, needle stand 3 injection mo(u)lding respectively, the connection of syringe needle 5 and needle stand 3 can adopt syringe needle to be embedded in needle stand mould injection moulding and complete, or adopt that automatization pointer assembling machine is bonding to be formed, it is enclosed within storage needle rack 2 on the syringe needle 5 and needle stand 3 that are fixed together, control both to lift between pawl 23 and 3 limiting cards 24 at 3, spring 4 is vertically nested with at needle stand 3 top, longitudinally press-fiting with housing 1 with the storage needle rack 2 of needle stand 3, spring 4 and syringe needle 5, clamping puts in place.Or spring 4 is vertically disposed in spring eye 13, and longitudinally press-fiting with the storage needle rack 2 of needle stand 3, syringe needle 5 with the housing 1 of spring 4, clamping puts in place.
When using disposable safety self-breaking blood taking needle, needle outlet 25 on the storage needle rack 2 of the present invention is contacted with the blood sampling site of patient, then pinch anti-skidding rib and press down on housing 1, 3 sliding jaws 22 of storage needle rack 2 slip into bottom skewed slot 12, the opening of storage needle rack 2 radially expands, drive 3 to lift pawl 23 and discharge needle stand 3, needle stand 3 and syringe needle 5 are launched to needle outlet 25 under the effect of spring 4 elastic force, the needle point traverse needle outlet 25 of syringe needle 5, penetrate the blood sampling site of patient, complete task action, it is retracted out in pin hole 25 under spring 4 acts on again immediately, achieve safe self-destroying function.
Above-mentioned drawings and Examples are merely to illustrate the present invention, and protection scope of the present invention is not constituted any limitation.
Certainly, under the inventive concept of the present invention, the present invention has multiple form of implementation and equivalents, and this does not need to pay creative work after reading this specification and get final product reproducing, just do not describe in detail at this to those skilled in the art.Above-mentioned equivalents is adopted certainly to fall into protection scope of the present invention.
The present invention that above-mentioned such structure is constituted, is respectively provided with many saving graces for technical staff of the same trade now, and really has technological progress.
But, in the technical field of the present invention, as long as possessing most basic knowledge, it is possible to other exercisable embodiments of the present invention are improved.Substantial technical scheme proposes patent protection request in the present invention, and its protection domain should include all variation patterns with above-mentioned technical characterstic.
Claims (7)
1. disposable safety self-breaking blood taking needle, including housing, storage needle rack, needle stand, spring and syringe needle, draw-in groove and spring eye it is provided with in described housing, the outlet periphery of spring eye is provided with skewed slot, storage needle rack is provided with buckle, lift pawl, sliding jaw and needle outlet, syringe needle alignment needle outlet is fixing with needle stand to be connected, needle stand is placed in be lifted on pawl, needle stand is connected with spring, the buckle of the draw-in groove of housing and storage needle rack is connected with each other, it is characterized in that: it is also provided with limiting card on storage needle rack, described limiting card is being lifted between pawl and sliding jaw, it is used for preventing needle stand syringe needle to depart from storage needle rack.
2. disposable safety self-breaking blood taking needle according to claim 1, it is characterised in that: described housing is barrel-shaped.
3. disposable safety self-breaking blood taking needle according to claim 2, it is characterised in that: the structure of described storage needle rack is annular layout.
4. disposable safety self-breaking blood taking needle according to claim 3, it is characterised in that: described draw-in groove is the cannelure in inner walls.
5. disposable safety self-breaking blood taking needle according to claim 4, it is characterised in that: the outlet of described spring eye is crateriform.
6. disposable safety self-breaking blood taking needle according to claim 5, it is characterised in that: described skewed slot is the annular ramp that the outlet of crateriform spring eye is peripheral.
7. the disposable safety self-breaking blood taking needle according to claim 1-6, it is characterised in that: the outer surface of described housing is provided with anti-skidding rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181993.6A CN105769218A (en) | 2016-03-21 | 2016-03-21 | Disposable safe self-destruction blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610181993.6A CN105769218A (en) | 2016-03-21 | 2016-03-21 | Disposable safe self-destruction blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105769218A true CN105769218A (en) | 2016-07-20 |
Family
ID=56391994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610181993.6A Pending CN105769218A (en) | 2016-03-21 | 2016-03-21 | Disposable safe self-destruction blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105769218A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619583Y (en) * | 2003-04-24 | 2004-06-09 | 施国平 | Self-locking disposable safety automatic blood taking needle |
| CN201008557Y (en) * | 2007-02-28 | 2008-01-23 | 东莞和汇电子有限公司 | Disposal blood taking needle for medical purpose |
| CN201061533Y (en) * | 2007-07-10 | 2008-05-21 | 沈捷 | Safety self-destroying blood taking needle |
| CN204121025U (en) * | 2014-07-24 | 2015-01-28 | 淮安市天达医疗器械有限公司 | A lock-fit-type safe blood-taking needle |
-
2016
- 2016-03-21 CN CN201610181993.6A patent/CN105769218A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2619583Y (en) * | 2003-04-24 | 2004-06-09 | 施国平 | Self-locking disposable safety automatic blood taking needle |
| CN201008557Y (en) * | 2007-02-28 | 2008-01-23 | 东莞和汇电子有限公司 | Disposal blood taking needle for medical purpose |
| CN201061533Y (en) * | 2007-07-10 | 2008-05-21 | 沈捷 | Safety self-destroying blood taking needle |
| CN204121025U (en) * | 2014-07-24 | 2015-01-28 | 淮安市天达医疗器械有限公司 | A lock-fit-type safe blood-taking needle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160720 |