Hollow fiber membrane for an artificial lung
US4770852A · kind A · utility
38Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1986 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | Jul 10, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A porous polypropylene hollow fiber membrane of a circular cross section 150 to 300 .mu.m in inside diameter and 10 to 150 .mu.m in wall thickness for use in an artificial lung, which hollow fiber membrane is characterized by having an inner surface aperture ratio in the range of 10 to 30%, a porosity in the range of 10 to 60%, and an oxygen flux in the range of 100 to 1,000 liters/min.m.sup.2.atm. and inducing no leakage of blood plasma within 20 hours use in the external circulation of blood therethrough.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.