CN2373045Y - Disposable used sterile hemostix - Google Patents
Disposable used sterile hemostix Download PDFInfo
- Publication number
- CN2373045Y CN2373045Y CN 99203531 CN99203531U CN2373045Y CN 2373045 Y CN2373045 Y CN 2373045Y CN 99203531 CN99203531 CN 99203531 CN 99203531 U CN99203531 U CN 99203531U CN 2373045 Y CN2373045 Y CN 2373045Y
- Authority
- CN
- China
- Prior art keywords
- test tube
- blood sampling
- sampling device
- piston
- disposable use
- 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
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model provides a blood sampling device, particularly a blood sampling device which is suitable for disposable blood sampling, and directly uses a needle cylinder as a test tube. An outer sleeve for a needle core of the utility model is a protective cover for a needle head. The outer sleeve for the needle core is fixed on a coupling head through a fixing sleeve. The coupling head is inserted in the test tube. A push rod slides on the inner wall of the test tube. The needle core is fixed on the fixing sleeve, the needle core is extended to the part inside the tube of the coupling head, and the needle core is sealed inside a protective sheath by the protective sheath. A test tube cap connected with the test tube in a threaded mode is inserted and connected with the coupling head. A piston slides on the inner wall of the test tube. The disposable sterile blood sampling device with the structure can cause the needle cylinder and the test tube to form a whole body. Blood directly enters into the closed test tube from human bodies, and pollution of blood samples can be avoided.
Description
This utility model provides a kind of hemostix, be specially adapted to disposable blood sampling and with syringe directly as the hemostix of test tube.
In the prior art, medical worker's much more general syringes that use when doing blood test for people extract blood, blood is injected in the teat glass deposit then, treat that a collection of blood sample got, and unifiedly deliver to control laboratory and chemically examine.In the above method, blood sample inevitably can be polluted.Such as the existing test tube that uses is the repeated disinfection sterilization, but sterilization still might be not thorough, can't reach real aseptic result, is again uncovered being placed on the on-the-spot test tube rack during use, so test tube just might be subjected to iatrogenic cross-contamination before dress affair sample.After test tube installs in addition, the still uncovered scene that is placed on, wait for after a collection of blood sample has been limit and just take control laboratory, during this time every interior, because on-the-spot personnel mix and sample is delivered in the process, owing to contact with air in the hospital, blood sample can be polluted in various degree, and interlude is long more, and contaminated degree is big more.All do not have strict logistics facility in present most hospitals, so traditional limit blood sample method of taking out all can be polluted, testing instruments are accurately advanced again, and blood sample is polluted, and its assay also can distortion, even can cause mistaken diagnosis.
The purpose of this utility model is to provide a kind of syringe and test tube to become one, and blood directly enters sealing in vitro from human body, the disposable use sterile blood sampling device that can avoid blood sample to be polluted.
This utility model is realized by the following technical solutions: nook closing member overcoat one needle housings of the present utility model, and be fixed on the union joint by fixed cover, union joint is plugged in test tube, inboard wall of test tube slides to have push rod, nook closing member to be fixed on the fixed cover and be stretched in the union joint pipe and partly is closed in wherein by a protective jacket; The test tube lid and the union joint that are threaded with test tube are pegged graft; Inboard wall of test tube slides piston, connects piston rod on the piston.The disposable use sterile blood sampling device of this spline structure can reach syringe and test tube becomes one, and blood directly enters sealing in vitro from human body, can avoid blood sample to be polluted.
Advantages such as this utility model compared with prior art has can make blood sample not be subjected to outside contamination, safe and reliable.
Description of drawings of the present utility model is as follows:
Fig. 1 is an overall structure sketch map of the present utility model.
Fig. 2 is a syringe needle profile of the present utility model.
Fig. 3 is a test tube profile of the present utility model.
Below in conjunction with description of drawings utility model is described in further detail: as shown in Figure 1, nook closing member 1 overcoat, one needle housings 5 of the present utility model also is fixed on the union joint 4 by fixed cover 2, union joint 4 is plugged in test tube 8, test tube 8 inwalls slide to have push rod, nook closing member 1 to be fixed on the fixed cover 2 and be stretched in union joint 4 pipes and partly are closed in wherein by a protective jacket 3; The test tube lid 7 that is threaded with test tube 8 is pegged graft with union joint 4; Test tube 8 inwalls slide piston 9, connects piston rod 10 on the piston 9.As shown in Figure 2, the sampling syringe needle is made up of nook closing member 1, fixed cover 2, protective jacket 3, union joint 4, needle housings 5, the opening of protective jacket 3 and fixed cover 2 adhesive seal, and its U jacket is with the back elongation end sealing of nook closing member 1.Protective jacket 3 is made by having certain intensity and telescopic elastomeric material.Nook closing member 1 is fixed into one by fixed cover 2 and union joint 4, and protective jacket 3 is nook closing members 1 that sealing enters test tube 8 one ends, and needle housings 5 is that protection contacts the partly not contaminated before use and damage of nook closing member 1 with human body.As shown in Figure 3, the sampling test tube is made up of sealing-plug 6, test tube lid 7, test tube 8, piston 9, piston rod 10, and the test tube that is hollow cone covers 7 tops and is inlaid with elastic packing plug 6, forms one with test tube.Convex piston 9 is housed in the test tube 8, and the interior vacancy of its projecting end is with piston rod 10.One spacing hole is arranged at test tube 8 bottoms, and piston rod 10 is connected with piston 9 by spacing hole.The sampling syringe needle has formed disposable use sterile blood sampling device by spacing connection of union joint 4 with sampling test tube lid 7.This utility model nook closing member 1 front end after syringe needle is unpacked dress has needle housings 5, and entering test tube one end has protective jacket 3 seal protections, makes nook closing member 1 still be in same isolation.When the sampling syringe needle was connected with the sampling test tube, protective jacket 3 sealed plugs 6 blocked, and nook closing member 1 enters test tube 8 one end puncture through seal plugs 6 and enters test tube 8, and nook closing member 1 can not polluted in the connection procedure.Take off syringe needle after extracting blood, sealing-plug 6 seals nook closing member 1 hole simultaneously.After finishing blood drawing, piston 9 and piston rod junction are fractureed, remaining part is exactly a sampling test tube of sealing fully.Direction constrain when the test tube that blood sample is housed is not deposited.Main feature one of the present utility model is that nook closing member has adopted protective jacket, and nook closing member all is hedged off from the outer world in the dress of unpacking, placement with in being connected use, and is not contaminated.The 2nd, sealing-plug is equipped with in the import of test tube lid nook closing member, when taking off syringe needle test tube is sealed.
Claims (6)
1, a kind of disposable use sterile blood sampling device, nook closing member (1) overcoat one needle housings (5) also is fixed on the union joint (4) by fixed cover (2), union joint (4) is plugged in test tube (8), test tube (8) inwall slides push rod is arranged, and it is characterized in that nook closing member (1) is fixed in fixed cover (2) and goes up and be stretched in union joint (4) pipe and partly be closed in wherein by a protective jacket (3); The test tube lid (7) that is threaded with test tube (8) is pegged graft with union joint (4); Test tube (8) inwall slides piston (9), and piston (9) is gone up and connected piston rod (10).
2, disposable use sterile blood sampling device according to claim 1 is characterized in that the opening and fixed cover (2) adhesive seal of protective jacket (3), and its U jacket is with the back elongation end sealing of nook closing member (1).
3, disposable use sterile blood sampling device according to claim 1 and 2 is characterized in that protective jacket (3) makes by having certain intensity and telescopic elastomeric material.
4, disposable use sterile blood sampling device according to claim 1 is characterized in that test tube lid (7) top that is hollow cone is inlaid with elastic packing plug (6).
5, disposable use sterile blood sampling device according to claim 1 is characterized in that convex piston (9) is housed in the test tube (8), and the interior vacancy of its projecting end is with piston rod (10).
6, disposable use sterile blood sampling device according to claim 5, a spacing hole is arranged at the test tube that it is characterized in that (8) bottom, and piston rod (10) is connected with piston (9) by spacing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99203531 CN2373045Y (en) | 1999-02-10 | 1999-02-10 | Disposable used sterile hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99203531 CN2373045Y (en) | 1999-02-10 | 1999-02-10 | Disposable used sterile hemostix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2373045Y true CN2373045Y (en) | 2000-04-12 |
Family
ID=33998614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99203531 Expired - Fee Related CN2373045Y (en) | 1999-02-10 | 1999-02-10 | Disposable used sterile hemostix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2373045Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525488A (en) * | 2011-12-01 | 2012-07-04 | 上海金塔医用器材有限公司 | Disposable sterile retraction safety blood sampling needle |
| CN105857797A (en) * | 2016-06-12 | 2016-08-17 | 洛阳海惠新材料股份有限公司 | Material taking device capable of contacting air less and used for flexible packaging of chemical raw materials |
-
1999
- 1999-02-10 CN CN 99203531 patent/CN2373045Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525488A (en) * | 2011-12-01 | 2012-07-04 | 上海金塔医用器材有限公司 | Disposable sterile retraction safety blood sampling needle |
| CN105857797A (en) * | 2016-06-12 | 2016-08-17 | 洛阳海惠新材料股份有限公司 | Material taking device capable of contacting air less and used for flexible packaging of chemical raw materials |
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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 |