(19)

(11)

EP 0 548 256 A1

(12)

(43) Date of publication: 30.06.1993 Bulletin 1993/26 (21) Application number: 91917608.0 (22) Date of filing: 12.09.1991

(51) International Patent Classification (IPC):  A61L 27/ 18( . ) C08G 18/ 44( . ) C08G 18/ 10( . ) (86) International application number: PCT/US1991/006621 (87) International publication number: WO 1992/004390 (19.03.1992 Gazette 1992/07)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 12.09.1990 US 19900581013 (71) Applicant: PolyMedica Industries, Inc. Burlington, Massachusetts 01803 (US)	(72) Inventors: SZYCHER, Michael Lynnfield, MA 01940 (US) REED, Andrew, M. Arvada, CO 80005 (US) (74) Representative: Laufhütte, Dieter, Dr.-Ing., et al  Lorenz-Seidler-Gossel Widenmayerstrasse 23 D-80538 München D-80538 München (DE)