(19)

(11)

EP 0 069 768 A1

(12)

(43) Date of publication: 19.01.1983 Bulletin 1983/03 (21) Application number: 82900696.0 (22) Date of filing: 11.01.1982

(51) International Patent Classification (IPC):  A61M 1/ 00( . ) A61M 39/ 14( . ) (86) International application number: PCT/US1982/000021 (87) International publication number: WO 1982/002528 (05.08.1982 Gazette 1982/19)

(84) Designated Contracting States: DE FR GB (30) Priority: 19.01.1981 US 19810225929 (71) Applicant: BAXTER TRAVENOL LABORATORIES, INC. Deerfield, IL 60015 (US)	(72) Inventors: KRUGER, Robert J. Arlington Heights, IL 60015 (US) GRANZOW, Daniel B. Ingleside, IL 60041 (US) BOGGS, Daniel R. Vernon Hills, Il 60061 (US) (74) Representative: MacGregor, Gordon, et al  ERIC POTTER CLARKSON St. Mary's Court St. Mary's Gate Nottingham, NG1 1LE Nottingham, NG1 1LE (GB)