CN2516099Y - Syinge-type disposable safety blood taking needle - Google Patents
Syinge-type disposable safety blood taking needle Download PDFInfo
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- CN2516099Y CN2516099Y CN 02202539 CN02202539U CN2516099Y CN 2516099 Y CN2516099 Y CN 2516099Y CN 02202539 CN02202539 CN 02202539 CN 02202539 U CN02202539 U CN 02202539U CN 2516099 Y CN2516099 Y CN 2516099Y
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- syringe
- taking needle
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Abstract
The utility model discloses a needle-cylinder one-off safe blood taking needle which is an improved and implemented structure based on my patent in the application number 00100623: a needle-cylinder one-off vacuum subpressure blood taking implement. The blood taking needle which is composed of a needlepoint, a needle seat, a blood taking needle and a transparent cylinder is a matched element of the needle-cylinder one-off vacuum subpressure blood taking implement, simple, practical, safe in operation, low in cost and easy to be accepted by traditional customs. The blood needle can be matched with a standard, commercial subpressure blood taking tube which conforms to the international standard; the utility model is low in cost, safe and reliable, easy to be spread all over China and can boost the full-scale implement of the vacuum blood taking technology in China.
Description
(1) technical field
This utility model relates to the disposable blood taking needle safe in utilization of a kind of syringe-type, can be used as the auxiliary equipment of negative-pressure (vacuum) hemostix, belongs to the blood sampler technical field in the medical apparatus and instruments.
(2) background technology
Traditional syringe (syringe) blood sampling is continued to use in the blood sampling of China's Clinical Laboratory for a long time always, and this method is easy, feasible, and is cheap, swift to operate, adapts to China's traditional habit.But it has a lot of drawbacks, mainly is that outpatient service blood sampling people is many, and labor intensity is big; Human vas and syringe are linker during blood sampling, and unclean utensil can pollute blood of human body, catches; Blood sampling volume and pour-depressant addition non-quantitative, smooth mouthful Sheng blood test tube such as fall at moisture content volatilization, bacterium dirt all can influence accuracy of detection; And the reprinting of blood easily causes haemolysis, blood coagulation and cross infection.Negative pressure of vacuum blood sampling at present, be the blood sampling new technique of international popular, it adopts standardization, commercial anticoagulant negative pressure blood taking tube, implement closed blood sampling, blood is not contaminated need not reprinted again, has improved the precision of Clinical Laboratory greatly, along with the birth and the introduction of its supporting a large amount of automatizatioies detecting instrument, this technology is popularized in an all-round way in China, and is imperative.But negative pressure blood sampling is when relating to concrete operations, does not have as yet so far a kind ofly can adapt to traditional habit, meets the desired solution of national conditions.The supporting blood sampling of the effective venoclysis needle of some local negative pressure (scalp acupuncture), blood sampling speed is slow, troublesome poeration; The blood transfusion pipeline is long, and the blood waste of collection is big; Operation is not suitable for the blood sampling in enormous quantities of outpatient service especially.And adopt external sleeve needle (the safe needle holder that U.S. company BD is promoted) to take a blood sample, its two-way pin and needle stand be can not see blood back for sealing, needle tubing is thick, sleeve is short, operation is inconvenient, be difficult to accomplish the success of vein one-time puncture, and when blood sampling, vacuum Shi Guan Arrived to be forced up, be easy to mobile pin position, damage.It only is suitable for the area of the sturdy types of human vein blood vessel such as America and Europe, Africa and promotes the use of, area, Asia human vein is very thin, and especially women, child adopt the operation of BD type blood taking needle extremely difficult, price is expensive again, popularizes use in an all-round way so be unwell in China.
(3) summary of the invention
This utility model provides a kind of simple and practical, handling safety, cheap, the auxiliary equipment of the disposable use negative-pressure (vacuum) hemostix of easily accepting of syringe-type for traditional habit, be the applicant patent application 00100623.1 " the disposable use negative-pressure (vacuum) hemostix of syringe-type " improve and additional.This utility model is abroad on the pattern of sleeve needle hemostix, be accustomed in conjunction with the blood collection needle that China continues to use at present, hemostix is designed to conventional syringes (disposable sterilized syringe) form, the unified use meets the blood sampling of disposable in the world aseptic injection pin cooperation negative pressure, its needle point is thin and sharp, the transparent cover visible blood-flow of moulding meets the very thin blood sampling characteristics of Asia ethnic group vein blood vessel.
Structure of the present utility model and operating principle are made of syringe needle, needle stand, blood taking needle, transparent sleeve shown in accompanying drawing 1-4; Syringe needle is by syringe needle (1a), and needle holder (1b) and transparent sheath (1c) constitute; Needle stand is made of the needle stand that is connected as a single entity (2a) and the blood sampling needle stand (2b) of hollow; Needle holder (1b) is enclosed within on the needle stand (2a), blood taking needle (3a) is fixed on the blood sampling needle stand (2b), latex sheath (3b) is arranged outward, blood taking needle (3a) puts latex sheath (3b) back integral installation and fits in the transparent sleeve (4), transparent sleeve (4) is outer scale mark (4b), and there is flank (4a) its lower end.
When using this product, take out needle guard (1c), the acupuncture vein, after seeing the needle stand place blood back being arranged, vacuum blood collection test tube (5) is pushed transparent sleeve (4), catch on transparent sleeve (4) two flanks (4a), vacuum blood collection test tube (5) is compressed up gently by the centre of the palm with two fingers, blood taking needle this moment (3a) pierces through the butyl rubber plug (5a) at test tube top, and blood (7) just injects blood sampling test tube (5) under the attraction of negative pressure of vacuum.Blood sampling volume is by the vacuum decision of test tube.If same people need gather the anticoagulation of different test items more than two, then syringe needle is not extracted vein, as long as change the anticoagulant negative pressure test tube (5) of different size, latex sheath (3b) on the blood taking needle (3a) has better elastic, its effect is when changing vacuum blood collection test tube (5), prevent the blood water clock, to avoid pollution.
Contrast advantage of the present invention with prior art and effect as follows:
1) easy to operate, light, low production cost, both adopted the negative pressure of vacuum blood sampling new technique of international popular, continued to use traditional syringe-type blood sampling custom again, its everyway is better than the venoclysis needle (scalp acupuncture) or the blood collection needle of present domestic use, can adapt to the use in enormous quantities of hospital outpatient.
2) with the external negative pressure hemostix ratio that generally uses, acupuncture can be seen blood back, can finish blood sampling by a pin, operation is by changing into test tube pinching gently to firmly compressing of test tube, promptly catch on the transparent active force of moulding cover two flanks by two fingers, the active force that the vacuum blood collection test tube is compressed up gently with the centre of the palm in the other direction.Just there is not active force to thrusting the venous entry needle, and one-hand operation, this just can guarantee easy, the reliable and safety of operation.
3) the supporting use standardization of this blood taking needle, commercial silication, anticoagulant negative pressure test tube.Blood taking tube is the check pipe of airtight splendid attire blood, and inboard wall of test tube is through silicidation, and certain vacuum has guaranteed blood sampling volume, according at the bottom of the check needs pipe and be marked with quantitative anticoagulant, coagulant cooperates, and all can improve the precision and the quality of detection.Institute joins blood taking tube and all is stamped versicolor safety helmet (colour is moulded cover), is convenient to discern the blood taking tube of variant specification like this, and it is easy to open the test tube plug when detecting simultaneously, and the operator can avoid contacting blood.
4) institute's blood-sample withdrawal need not reprinted, can reduce the destruction of blood cell can avoid again polluting, simultaneously it can directly be sent into automatization's detecting instrument and analyzes, detects, its superiority is to use syringe (syringe) blood sampling incomparable at present, and it can avoid all drawbacks such as the blood that causes goes bad, cross infection because blood sample is reprinted.
5) the safe needle holder of U.S. company BD is a common accessory, when each patient takes a blood sample, all needs to replace two-way blood taking needle, and this had both given in the operation and has brought certain trouble, had increased the probability of unexpected generation cross infection again.The safety blood taking pin of this utility model, whole is the disposable appliance that makes, and single-piece sealing plastic uptake is box-packaged, and the ethane via epoxyethane sterilization meets the standardization of disposable use medical apparatus, commercial code requirement.
6) entry needle of this blood taking needle planning standardization and standardized negative pressure collection tube, the all size model all can be general in assembling and the use, can be different with the project of needs chemical examination, detection according to the situation of user, and the entry needle and the anticoagulant negative pressure pipe of selection different size.
7) consistent with the blood sampling of the sleeve needle of international popular, the collection of blood is to lean on the butyl rubber of two-way needle-penetration negative pressure test tube to implement, so adopt the anxiety less than the accident of blood behind the no vacuum leak, acupuncture vein.Because of silication vacuum test tube good leak tightness, adopt nontoxicly, the medicinal butyl rubber test tube plug that elasticity is good can be guaranteed vacuum storage life and aseptic effect duration 2 years.
8) this blood taking needle planning standardization, commercialization, meet the negative pressure blood taking tube of international standard, with low cost, easy to operate, safe and reliable, be easy to the comprehensive penetration and promotion of large, medium and small throughout the country hospital outpatient and ward, can promote vacuum blood drawing technique implements in China comprehensively, with the development of keeping pace with the times, in line with international standards.
(4) description of drawings
Fig. 1 safety blood taking pin general assembly drawing;
The situation that Fig. 2 this utility model matches with the negative pressure blood taking tube of standard;
The part amplification profile of Fig. 3 accompanying drawing 1-2;
Fig. 4 this utility model is used for human blood collection's use illustration;
The partial enlarged drawing of Fig. 5 accompanying drawing 4.
(5) specific embodiment
Accompanying drawing 1-5 also is embodiment of the present utility model and uses illustration, Fig. 1-2 structure is in above-mentioned, Fig. 2 is the situation that this utility model cooperates with the negative pressure blood sampling test tube (5) of standard, the negative pressure blood taking tube is numbered (5), on blood taking tube (5), push away, the latex sheath of blood taking needle (3a) is punctured by blood taking needle, the butyl rubber plug (5a) at while negative pressure blood sampling test tube top, also pricked and wear by blood taking needle (3a), the blood (7) of human body (6) promptly flows in the negative pressure blood sampling test tube (5) (seeing Fig. 4-5), enough to institute's blood-sample withdrawal, can extract blood taking tube out.
The injection needle that this utility model adopted is the disposable use aseptic injection pin of international GB15811-1995 regulation, the transparent sleeve that adopts (4) be with the injection mo(u)lding of transparent polypropylene non-toxic plastic, during blood sampling, should be able to see blood back at its top and clearly supervise blood injection situation; The conehead at sleeve top should meet the regulation of 6: 100 cone joints among the international GB1962-1995, and it should be airtight, firm with cooperating of injection needle, and plug is convenient simple and easy again simultaneously.Cartridges sides has blue color scale, and unit is a milliliter, is the terminal check of blood sampling volume, and its scale is standard formulation by the capacity of Ф 13mm standard negative pressure blood sampling test tube.
Blood taking needle (3a) is to be inserted on the blood sampling needle stand (2b) by epoxide-resin glue.
Claims (4)
1, the disposable blood taking needle safe in utilization of a kind of syringe-type is characterized in that: be made of syringe needle, needle stand, blood taking needle, transparent sleeve; Syringe needle is by syringe needle (1a), and needle holder (1b) and transparent sheath (1c) constitute; Needle stand is made of hollow needle stand that is connected as a single entity (2a) and blood sampling needle stand (2b); Needle holder (1b) is enclosed within on the needle stand (2a), blood taking needle (3a) is fixed on the blood sampling needle stand (2b), latex sheath (3b) is arranged outward, blood taking needle (3a) puts latex sheath (3b) back integral installation and fits in the transparent sleeve (4), transparent sleeve (4) is outer scale mark (4b), and there is flank (4a) its lower end.
2, the disposable blood taking needle safe in utilization of syringe-type according to claim 1 is characterized in that described transparent sleeve (4) is by the injection mo(u)lding of transparent polypropylene non-toxic plastic.
3, the disposable blood taking needle safe in utilization of syringe-type according to claim 1 is characterized in that described blood taking needle (3a) is inserted on the blood sampling needle stand (2b) by epoxide-resin glue.
4, the disposable blood taking needle safe in utilization of syringe-type according to claim 1 is characterized in that the conehead at described transparent sleeve (4) top should meet the regulation of 6: 100 cone joints among the international GB1962-1995.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02202539 CN2516099Y (en) | 2002-01-25 | 2002-01-25 | Syinge-type disposable safety blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02202539 CN2516099Y (en) | 2002-01-25 | 2002-01-25 | Syinge-type disposable safety blood taking needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2516099Y true CN2516099Y (en) | 2002-10-16 |
Family
ID=33685051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02202539 Expired - Fee Related CN2516099Y (en) | 2002-01-25 | 2002-01-25 | Syinge-type disposable safety blood taking needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2516099Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160793A (en) * | 2011-03-08 | 2011-08-24 | 成都普什医药塑料包装有限公司 | Dripping-proof backflow-blood-observable venous blood taking needle |
-
2002
- 2002-01-25 CN CN 02202539 patent/CN2516099Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102160793A (en) * | 2011-03-08 | 2011-08-24 | 成都普什医药塑料包装有限公司 | Dripping-proof backflow-blood-observable venous blood taking needle |
| CN102160793B (en) * | 2011-03-08 | 2012-12-26 | 成都普什医药塑料包装有限公司 | Dripping-proof backflow-blood-observable venous blood taking needle |
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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 |