Blood filter
US4162220A · kind A · utility
30Cited by
6References
2Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Apr 3, 1978 |
| Grant date | Jul 24, 1979 |
| Priority date | — |
| Expiry date | Apr 3, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/162
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In a blood filter of the type having a blood inlet spike which is to be inserted in a blood bag the improvement comprising the outer surface of the blood inlet spike having a roughness of from about 50 to 200 microinches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.