Method of measuring blood sample on blood test instrument using a disposable cartridge
US8304207B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2010 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Oct 22, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L2400/065
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A blood test instrument using a disposable cartridge and a method of measuring a blood sample using the instrument are disclosed. The instrument includes a cell counting station for counting blood cells by electrical resistance measurement, a pressure actuating component adapted to apply a pressure alternately on two flexible receptacles of a disposable cartridge removably placed in the instrument to cause flowing of a mixture of a blood sample and a liquid agent between the two receptacles to obtain proper mixing, and a conduit adapted to deliver the mixture to the cell counting station for counting. After measuring the blood sample, the instrument withdraws a washing liquid contained in another receptacle of the disposable cartridge and uses the washing liquid to clean the instrument and to deliver the mixture back to the cartridge for disposal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.