Helically wound blood filter
US4092246A · kind A · utility
70Cited by
4References
39Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 1977 |
| Grant date | May 30, 1978 |
| Priority date | — |
| Expiry date | May 19, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/58
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter for the filtration of blood characterized by a high flow rate with low pressure drop, which filter comprises: a filter housing; an inlet in the housing for the introduction of the blood to be filtered; an outlet in the housing for the removal of filtered blood; and a filter element disposed within the housing, which element comprises a helically coiled strip of sheet material containing a surface layer of fibrous flocked material on at least one side thereof, the sheet material wound into a helical coil of desired tightness, and the flocked material selected to remove particles from the blood to be filtered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.