Blood collection device
US4838872A · kind A · utility
33Cited by
10References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1987 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | Feb 13, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/602
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An autotransfusion device for a chest drainage unit is provided that includes a collapsible blood collection and reinfusion bag assembly that includes a collapsible bag with pliable walls and stiffener members, and a holder which receives the assembly. The holder maintains compressive forces on the sides of the stiffener members so they bow outwardly and, in turn, maintain the bag assembly in an expanded conditions for collecting blood while suction is applied to the bag during drainage operations. The collapsible bag assembly can be removed from the holder for reinfusion of the collected blood.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.