RU2000106569A - METHOD AND DEVICE FOR DETERMINING COLLABILITY IN BLOOD PLASMA SAMPLES - Google Patents
METHOD AND DEVICE FOR DETERMINING COLLABILITY IN BLOOD PLASMA SAMPLESInfo
- Publication number
- RU2000106569A RU2000106569A RU2000106569/28A RU2000106569A RU2000106569A RU 2000106569 A RU2000106569 A RU 2000106569A RU 2000106569/28 A RU2000106569/28 A RU 2000106569/28A RU 2000106569 A RU2000106569 A RU 2000106569A RU 2000106569 A RU2000106569 A RU 2000106569A
- Authority
- RU
- Russia
- Prior art keywords
- cuvette
- axis
- magnetic stirrer
- cell
- recess
- Prior art date
Links
- 210000002381 Plasma Anatomy 0.000 title claims 3
- 230000005291 magnetic Effects 0.000 claims 13
- 210000004027 cells Anatomy 0.000 claims 7
- 230000003287 optical Effects 0.000 claims 5
- 239000003153 chemical reaction reagent Substances 0.000 claims 2
- 230000015271 coagulation Effects 0.000 claims 2
- 238000005345 coagulation Methods 0.000 claims 2
- 239000003302 ferromagnetic material Substances 0.000 claims 2
- 230000005405 multipole Effects 0.000 claims 2
- 238000004458 analytical method Methods 0.000 claims 1
- 239000011324 bead Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
Claims (14)
7r<Rc<9r.1. A method for determining coagulability in blood plasma samples, including placing the sample prepared according to the rules of coagulological analysis in a cuvette, illuminating the cuvette with an optical radiation source, followed by recording radiation transmitted through the cuvette with the sample and calculating coagulation according to the recorded values, characterized in that it is placed while stirring using a magnetic stirrer, a portion of the starting reagent is added to the sample cuvette and changes in the optical density of the sample are recorded successively When a portion of the starting reagent is introduced and when clots or filaments appear in the sample, the coagulation time is calculated from the recorded values, the bottom of the used cuvette in the central part containing a recess with a circular cross section parallel to the base of the cuvette, the surface of the recess is made spherical, using a mixing element of a magnetic stirrer two balls in contact with each other and made of ferromagnetic material, while the radius (r) of the ball of the magnetic stirrer and the radius (Rc) of the spheres Forming the recess are related by
7r <Rc <9r.
7r < Rc < 9r.5. The device for determining coagulability in blood plasma samples containing a cuvette, on both sides of the axis of which there is an optical radiation source and a photodetector, characterized in that it further comprises a magnetic stirrer, the bottom of the used cuvette in the Central part contains a recess with a circular cross section parallel to the base cuvettes, and the surface of the recess is made spherical, moreover, two balls in contact with each other and made as a mixing element of a magnetic stirrer of ferromagnetic material, wherein the radius (r) of a magnetic stirrer bead, and the radius (Rc) spheres forming the recess are linked by the relation
7r <Rc <9r.
h = 0,5Н + r ≥ kr,
где h - указанная высота оси, H - высота столба жидкости, k - коэффициент, величина которого соответствует условию 2r < k ≅ 4r.6. The device according to p. 5, characterized in that the height of the axis of the optical radiation passing through the cell relative to the bottom of the cell corresponds to the ratio
h = 0.5H + r ≥ kr,
where h is the indicated height of the axis, H is the height of the liquid column, k is a coefficient whose value corresponds to the condition 2r <k ≅ 4r.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2000106569/28A RU2172483C2 (en) | 2000-03-20 | 2000-03-20 | Method and device for determining blood plasma sample coagulation rate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2000106569/28A RU2172483C2 (en) | 2000-03-20 | 2000-03-20 | Method and device for determining blood plasma sample coagulation rate |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2000106569A true RU2000106569A (en) | 2000-09-10 |
RU2172483C2 RU2172483C2 (en) | 2001-08-20 |
Family
ID=35364755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2000106569/28A RU2172483C2 (en) | 2000-03-20 | 2000-03-20 | Method and device for determining blood plasma sample coagulation rate |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2172483C2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2500999C2 (en) * | 2012-03-12 | 2013-12-10 | Открытое акционерное общество "Научно-исследовательский институт космического приборостроения" | Device to analyse biological fluid |
RU2517116C2 (en) * | 2012-07-03 | 2014-05-27 | Государственное бюджетное учреждение Санкт-Петербургский научно-исследовательский институт скорой помощи им. И.И. Джанелидзе | Method of estimating condition of blood coagulation system in patients in critical condition |
FR3030048B1 (en) * | 2014-12-15 | 2016-12-23 | Immunodiagnostic Systems France | METHOD AND DEVICE FOR DETERMINING THE COAGULATION TIME OF A BLOOD SAMPLE AND REACTION CUP |
RU2750839C1 (en) * | 2020-05-18 | 2021-07-05 | Общество с ограниченной ответственностью "Меднорд-Техника" (ООО "Меднорд-Т") | Apparatus and method for express estimation of aggregative activity of formed elements of blood |
-
2000
- 2000-03-20 RU RU2000106569/28A patent/RU2172483C2/en not_active IP Right Cessation
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