CN1460449A - Automatic quantitative blood-taking pen - Google Patents
Automatic quantitative blood-taking pen Download PDFInfo
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- CN1460449A CN1460449A CN 03137572 CN03137572A CN1460449A CN 1460449 A CN1460449 A CN 1460449A CN 03137572 CN03137572 CN 03137572 CN 03137572 A CN03137572 A CN 03137572A CN 1460449 A CN1460449 A CN 1460449A
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Abstract
The blood-taking tool for medical diagnosis and blood detection is formed from two portions of puncture needle tube and a blood-taking device. It is characterized by that said blood-taking device includes a blood-taking sleeve whose interior is equipped with a negative pressure spring, a piston gripper, a disposable blood-taking needle tube and a piston matched with said needle tube.
Description
Technical field
The present invention relates to a kind of blood sampling instrument that in medical diagnosis and individual blood testing, uses, belong to the medical equipment technical field.
Background technology
Blood collecting pen has in medical diagnosis and individual blood testing widely to be used, and also is requisite blood sampling instrument in domestic glucometer and the blood fat measuring instrument.Its effect is aperture of thorn on tester's blood sampling site, and blood is oozed from aperture, then blood is splashed on the chemical examination chip and detects.China's utility model patent (application number: 99257948.1) disclose a kind of blood collecting pen of replaceable blood taking needle, the projectile of being made up of flexible member is housed in the cavity of blood collecting pen, one end of projectile is connected with removable disposable blood taking needle, when projectile is pushed rearward, lock tab on it is blocked by the lock hole on the housing, blood taking needle conceals in blood collecting pen, push lock tab, blood taking needle stretches out a bit of distance fast from an end of blood sampling pen container under the effect of ejection-spring, thrust skin, withdraw then in the blood collecting pen, finish the blood sampling function.In fact, this technology has just been finished thorn blood function, but blood sample can not be extracted on fixed container or the experiment chip.Because for fear of bringing pain to the tester, it is very thin that the needle point of blood taking needle is done, the aperture that stings out on skin is very little in addition, and not dark, if the skin of blood sampling site is thicker, such as finger, skin texture is dense, resistance of blood flow is very big, and in most of the cases blood can not flow out automatically, and will lean on the people firmly to remove to push skin, could extrude blood, can bring pain and inconvenience to the tester like this, even blood is pushed out, blood volume also can't be determined; On the other hand, in crowded blood process, tend to some body fluid is squeezed in the blood and go, bring error can for like this detection of blood glucose, blood fat or other indexs.Present most blood collection procedure still will rely on doctor or nurse to pin required blood sampling site, thrusts skin with needle point then and extracts, and this kind mode is not only brought pain to the tester, and to nurse's requirement also than higher, depth of needling can't strict be controlled.
Summary of the invention
The purpose of this invention is to provide a kind of automatic ration blood collecting pen, make its function that possesses lancet and hemostix simultaneously, whole pricking method and blood collection procedure can be finished in very short time automatically, make patient not have pain; Whole blood collecting pen is simple in structure, and is easy to use.
The objective of the invention is to be achieved through the following technical solutions: a kind of automatic ration blood collecting pen, contain spinosity blood device, this thorn blood device mainly comprises the acupuncture pen container, be installed in the thorn blood cap for brush of acupuncture pen container front end, be arranged on the projectile of forming by piston ejector ram, ejector piston and ejection-spring in the acupuncture pen container, be installed in a removable disposable pricker of this projectile head and the precompressed overcoat that is arranged on acupuncture pen container back, it is characterized in that: the other end at blood collecting pen is equipped with hemostix, this hemostix mainly comprises the blood sampling pen container that links to each other with described precompressed overcoat, be arranged on a negative pressure spring in the blood sampling sleeve, the piston anchor clamps, disposable blood taking needle pipe and the piston that matches with needle tubing; The front end of described negative pressure spring links to each other with the precompressed overcoat, and its other end is fixed on the piston anchor clamps, and the other end of piston anchor clamps is connected with described piston.
Blood collecting pen of the present invention, its feature also are to be provided with a L type groove on the wall of blood sampling pen container, and described piston anchor clamps are provided with a projection, and this projection is placed in the L type groove.By pulling projection, the piston jig is moved along circumferential and axial in the blood sampling sleeve, utilize the negative pressure spring drive piston in the blood sampling pen container to move then, thereby realize the blood sampling function.
For dispensable mould blood taking needle pipe is changed easily and loaded and unloaded, feature of the present invention also is to be provided with T type groove on described piston anchor clamps, and piston is connected with the piston anchor clamps by T type groove; Be provided with a straight-line groove at the telescopic side wall surface of blood sampling, this groove and L type groove are mutually 90 degree.
Utilize automatic ration blood collecting pen provided by the invention, can successfully disposablely finish pricking method and blood sampling function; Because the volume of blood sampling needle tubing is certain, so can realize quantitative blood sampling.Whole pricking method and blood collection procedure can be finished in a short period of time automatically, make patient not have pain; Blood collecting pen is simple in structure, and is easy to use.
Description of drawings
Fig. 1 is the internal structure sketch map of embodiment provided by the invention.
Fig. 2 is the vertical view (contour structures sketch map) of Fig. 1.
Fig. 3 is the front view (contour structures sketch map) of Fig. 1.
Among the figure: the 1-thorn blood cap for brush, the 2-pricker, 3-thorn blood sleeve, 4-launches button, 5-piston ejector ram, ejector piston, 6-ejection-spring, 7-precompressed overcoat, 8-snap ring, the 9-sleeve of taking a blood sample, 10-negative pressure spring, 11-projection, 12-piston, the 13-blood taking needle, 14-T type groove, 15-piston jig, 16-L type groove, 17-straight-line groove.
The specific embodiment
Further specify concrete structure of the present invention and enforcement below in conjunction with accompanying drawing.
Automatic ration blood collecting pen provided by the invention is made of thorn blood device and hemostix two parts, thorn blood device mainly comprises thorn blood sleeve 3, be arranged on the removable pricker 2 that stings in the blood sleeve 3 and be installed in the thorn blood cap for brush 1 that stings blood sleeve 3 front ends, the latter half of precompressed overcoat 7 of blood sleeve is stung in being installed in piston ejector ram, ejector piston 5 thereafter and being contained in the ejection-spring 6 on the piston ejector ram, ejector piston and being arranged on of being connected with pricker 2.Hemostix mainly comprises blood sampling sleeve 9, be arranged on the negative pressure spring 10 of blood sampling sleeve inner, with the piston anchor clamps 15 that an end of negative pressure spring 10 is connected, the disposable cylindrical blood sampling needle tubing 13 that can change that is contained in the piston 12 of piston anchor clamps 15 other ends and matches with piston 12.Have a L type groove 16 on the sidewall of blood sampling sleeve 9, a bossing 11 is arranged on the piston jig 15, this projection 11 is installed in the L type groove 16, by pulling projection the piston jig is moved along the L type groove on blood sampling sleeve 9 walls.The piston jig is provided with a T type groove 14, and piston 12 is fixed together by T type groove and piston jig.End is the disposable cylindrical blood sampling needle tubing 13 that can change in the blood sampling sleeve, and piston 12 matches with the blood sampling needle tubing; The end face of blood sampling needle tubing stretches out the back sleeve a little.Be provided with a straight-line groove 17 at the telescopic side wall surface of blood sampling, its width should be big slightly with the diameter of blood sampling needle tubing, is used for changing and loading and unloading blood sampling needle tubing, and this groove 17 is mutually 90 degree with L type groove 16.
The thorn blood cap for brush 1 of thorn blood pen container front end is round table-like, and in order to guarantee the degree of depth of acupuncture, this cap for brush links to each other with thorn blood pen container 3 by screw thread.The telescopic latter half of precompressed overcoat 7 that is with of thorn blood, piston ejector ram, ejector piston 5 is positioned at the precompressed overcoat, and pricker 2 is installed in the front end of piston ejector ram, ejector piston 5, and ejection-spring 6 is enclosed within the latter half of of piston ejector ram, ejector piston 5, snap ring 8 is positioned at the end of piston ejector ram, ejector piston 5, plays the effect of axial location and fixing spring.The side of thorn blood sleeve 3 has one to launch button 4, and when launching button 4 and pressing, ejection-spring 6 can eject automatically.
During use, at first turn on the thorn blood cap for brush 1, pricker 2 is inserted in the circle holder of piston ejector ram, ejector piston 5 front ends, twist and sting the blood cap for brush.After installing pricker, gently pull back precompressed overcoat 7 with have gentle hands, ejection-spring 6 is compressed in advance, and then stir the bossing 11 of piston jig with hands, the low order end that pushes wall L type groove 16 makes bossing be blocked by groove then along circumferentially promoting projection, negative pressure spring 10 is stretched at this moment, at this moment, the end of piston 12 is positioned at the front end of blood sampling needle tubing 13, and preparation is finished.To sting the end face of the blood cap for brush 1 during blood sampling and aim at the position that need puncture, and slightly firmly compress, and press gently then and launch button 4, pricker 2 can eject automatically and return rapidly then.After pricker punctures finger, the position that punctures with the telescopic end alignment of latter half of blood sampling of blood collecting pen, firmly compress, stir the bossing 11 of piston jig 15 with finger, the piston jig can be together with piston 12 motions under the effect of negative pressure spring 10, because moving in blood sampling needle tubing 13 of piston can form negative pressure, blood can flow into the blood sampling needle tubing in the aperture that punctures under the effect of negative pressure, thereby finishes blood collection procedure.The one-shot injector that will fill blood at last takes out by the straight-line groove 17 on the blood sampling pen container sidewall.
Claims (4)
1. automatic ration blood collecting pen, contain spinosity blood device, this thorn blood device mainly comprises acupuncture pen container (3), be installed in the thorn blood cap for brush (1) of acupuncture pen container front end, be arranged on the projectile of forming by piston ejector ram, ejector piston and ejection-spring in the acupuncture pen container, the precompressed overcoat (7) that is installed in a removable disposable pricker (2) of this projectile head and is arranged on acupuncture pen container back, it is characterized in that: the other end at blood collecting pen is equipped with hemostix, this hemostix mainly comprises the blood sampling pen container (9) that links to each other with described precompressed overcoat, be arranged on the negative pressure spring (10) in the blood sampling sleeve, piston anchor clamps (15), disposable blood taking needle pipe and the piston (12) that matches with needle tubing; The front end of described negative pressure spring links to each other with the precompressed overcoat, and its other end is fixed on the piston anchor clamps, and the other end of piston anchor clamps is connected with described piston.
2. according to the described a kind of automatic ration blood collecting pen of claim 1, it is characterized in that: the wall of described blood sampling pen container is provided with a L type groove (16), and described piston anchor clamps are provided with a projection (11), and this projection is placed in the L type groove.
3. according to claim 1 or 2 described a kind of automatic ration blood collecting pens, it is characterized in that: described piston anchor clamps are provided with T type groove (14), and piston is connected with the piston anchor clamps by T type groove.
4. according to claim 1 or 2 described a kind of automatic ration blood collecting pens, it is characterized in that: be provided with the straight-line groove (17) that is used for loading and unloading the blood sampling needle tubing on the telescopic sidewall of blood sampling, this groove and L type groove are mutually 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137572 CN1460449A (en) | 2003-06-18 | 2003-06-18 | Automatic quantitative blood-taking pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03137572 CN1460449A (en) | 2003-06-18 | 2003-06-18 | Automatic quantitative blood-taking pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1460449A true CN1460449A (en) | 2003-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03137572 Pending CN1460449A (en) | 2003-06-18 | 2003-06-18 | Automatic quantitative blood-taking pen |
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| CN (1) | CN1460449A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835961A (en) * | 2012-09-27 | 2012-12-26 | 王振民 | Three-spring portable painless blood sampling pen with disposable pen point |
| CN102871671A (en) * | 2012-09-26 | 2013-01-16 | 淮安市天达医疗器械有限公司 | Disposable self-retracting safety blood taking needle |
| CN103190918A (en) * | 2012-01-06 | 2013-07-10 | 卞为强 | Pen point structure of blood sampling pen |
| CN107582387A (en) * | 2017-08-29 | 2018-01-16 | 丁允志 | A kind of electronic bloodletting device |
| CN108309320A (en) * | 2017-12-27 | 2018-07-24 | 台州安诺凯生物科技有限公司 | A kind of blood-sampling method and device |
| CN108670272A (en) * | 2018-06-21 | 2018-10-19 | 英科新创(厦门)科技有限公司 | A kind of peripheral blood acquisition diagnosis integrated apparatus |
| CN109010041A (en) * | 2018-08-22 | 2018-12-18 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | A kind of anti-punctured blood bag assembly |
| CN111481213A (en) * | 2020-04-24 | 2020-08-04 | 亓永杰 | Arterial blood drawing and collecting device |
-
2003
- 2003-06-18 CN CN 03137572 patent/CN1460449A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190918A (en) * | 2012-01-06 | 2013-07-10 | 卞为强 | Pen point structure of blood sampling pen |
| CN102871671A (en) * | 2012-09-26 | 2013-01-16 | 淮安市天达医疗器械有限公司 | Disposable self-retracting safety blood taking needle |
| CN102835961A (en) * | 2012-09-27 | 2012-12-26 | 王振民 | Three-spring portable painless blood sampling pen with disposable pen point |
| CN102835961B (en) * | 2012-09-27 | 2015-01-14 | 王振民 | Three-spring portable painless blood sampling pen with disposable pen point |
| CN107582387A (en) * | 2017-08-29 | 2018-01-16 | 丁允志 | A kind of electronic bloodletting device |
| CN108309320A (en) * | 2017-12-27 | 2018-07-24 | 台州安诺凯生物科技有限公司 | A kind of blood-sampling method and device |
| CN108670272A (en) * | 2018-06-21 | 2018-10-19 | 英科新创(厦门)科技有限公司 | A kind of peripheral blood acquisition diagnosis integrated apparatus |
| CN108670272B (en) * | 2018-06-21 | 2023-12-22 | 英科新创(厦门)科技股份有限公司 | Peripheral blood collection and diagnosis integrated device |
| CN109010041A (en) * | 2018-08-22 | 2018-12-18 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | A kind of anti-punctured blood bag assembly |
| CN109010041B (en) * | 2018-08-22 | 2020-11-27 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | Prevent puncturing blood bag subassembly |
| CN111481213A (en) * | 2020-04-24 | 2020-08-04 | 亓永杰 | Arterial blood drawing and collecting device |
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