CA2241246C - Technique de detection du debordement des globules rouges - Google Patents
Technique de detection du debordement des globules rouges Download PDFInfo
- Publication number
- CA2241246C CA2241246C CA 2241246 CA2241246A CA2241246C CA 2241246 C CA2241246 C CA 2241246C CA 2241246 CA2241246 CA 2241246 CA 2241246 A CA2241246 A CA 2241246A CA 2241246 C CA2241246 C CA 2241246C
- Authority
- CA
- Canada
- Prior art keywords
- tube
- red
- light
- light source
- output
- 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
Links
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- 210000004369 blood Anatomy 0.000 claims abstract description 48
- 239000008280 blood Substances 0.000 claims abstract description 48
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- 206010018910 Haemolysis Diseases 0.000 description 1
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Landscapes
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
L'invention porte sur un appareil et un procédé de surveillance d'un tube de sang généralement transparent se trouvant en aval d'un séparateur sanguin de façon à détecter la présence de globules rouges dans un tube destiné à transporter un composant sanguin différent tel que des plaquettes. Une source de lumière rouge et une source de lumière verte sont placées en relation avec le tube de sorte que l'émission de lumière rouge et l'émission de lumière verte soient dirigées vers le tube et vers le(s) composant(s) sanguin(s) s'écoulant et s'acheminant vers le tube. La source de lumière rouge génère une intensité de réflexion rouge émanant des globules rouges dont la grandeur est proportionnelle à la concentration des globules rouges. La source de lumière verte génère une intensité de réflexion verte émanant des globules rouges dont la grandeur est inversement proportionnelle à la concentration des globules rouges. Ces deux réflexions lumineuses sont détectées au moyen d'un photodétecteur large bande, ou par deux photodétecteurs à spécificité de bande qui sont placés sur le même côté du tube de sorte qu'ils réagissent uniquement à la lumière réfléchie. Il en résulte une sortie qui détecte le rapport de la grandeur de l'intensité de lumière rouge à la grandeur de l'intensité de lumière verte.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/746,109 US5734464A (en) | 1996-11-06 | 1996-11-06 | Red blood cell spillover detection technique |
| US08/746,109 | 1996-11-06 | ||
| PCT/US1997/020086 WO1998020345A1 (fr) | 1996-11-06 | 1997-11-04 | Technique de detection du debordement des globules rouges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2241246A1 CA2241246A1 (fr) | 1998-05-14 |
| CA2241246C true CA2241246C (fr) | 2006-04-11 |
Family
ID=36178173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2241246 Expired - Fee Related CA2241246C (fr) | 1996-11-06 | 1997-11-04 | Technique de detection du debordement des globules rouges |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2241246C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116942941B (zh) * | 2023-09-14 | 2023-12-29 | 苏州森斯缔夫传感科技有限公司 | 一种光强比照传感器、方法及血液净化机 |
-
1997
- 1997-11-04 CA CA 2241246 patent/CA2241246C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2241246A1 (fr) | 1998-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |