Patent · US Expired

Polyurethane bag for blood

US4460365A · kind A · utility

29Cited by

6References

4Claims

0Family size

Assignee

Biotest-Serum-Institut GmbH

Inventors

Karlheinz Ganshirt · Dreieich, DE
Wolfram Hubert Walker · Neuenstadt am Kocher, DE
Hans Schleussner · Frankfurt, DE

Key dates

Filing date	Oct 1, 1979
Grant date	Jul 17, 1984
Priority date	—
Expiry date	Oct 1, 1999

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S128/24
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A bag suitable for the storage, deep-freezing and transfusion of blood and blood components formed of a calendered or extruded foil of plasticizer-free polyurethane of a thickness of about 0.1-0.5 mm, a Shore hardness A of about 60-85, temperature resistance up to about 160.degree. C. and down to about -196.degree. C. without change of properties. The bag can be used in combination with fittings and tubings of the same material to provide an overall plasticizer-free polyurethane system. The bag can be sterilized, is capable of low temperature storage, and exhibits other desirable properties without affecting the quality of its contents.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.