Method and apparatus for autotransfusion
US8241264B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2005 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Oct 9, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/7545
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for collecting and salvaging blood includes: a first chamber with a below atmosphere internal pressure for continuous collection of blood through an inlet port; a second chamber for receiving blood from the first chamber through a connection channel; a channel valve manually controllable to close the connection channel; and a control for simultaneously controlling the channel valve and the internal pressure of the second chamber between an internal pressure corresponding to the internal pressure of the first chamber and ambient air pressure, wherein the control is arranged to provide an internal pressure corresponding to the internal pressure of the first chamber to the second chamber through a passageway separated from the connection channel for providing blood from the first chamber to the second chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.