Apparatus for sucking blood out of body cavities
US4321921A · kind A · utility
68Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 15, 1979 |
| Grant date | Mar 30, 1982 |
| Priority date | — |
| Expiry date | Aug 15, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2202/0413
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for sucking blood out of body cavities blood collecting vessel is at one end connected via a flexible line to a source of vacuum, and, at the other provided integrally with a suction tube. The lower portion of the suction tube includes suction orifices and projects into a basket acting as a filter carrier. This basket includes a series of suction slots located only in the lower part of the wall of the basket to avoid aspiration of air. On its outer surface, the basket is surrounded by a filter fabric which is fixed in an annular groove. Structures alternative to the basket are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.