(19)

(11)

EP 0 865 245 A1

(12)

(43) Date of publication: 23.09.1998 Bulletin 1998/39 (21) Application number: 96932218.0 (22) Date of filing: 13.09.1996

(51) International Patent Classification (IPC):  A61G 7/ 10( . ) (86) International application number: PCT/US1996/014671 (87) International publication number: WO 1997/009896 (20.03.1997 Gazette 1997/13)

(84) Designated Contracting States: BE DE DK ES FI FR GB IT NL SE (30) Priority: 13.09.1995 US 19950527519 19.08.1996 US 19960023572P 13.09.1996 US 19960713412 30.08.1996 US 19960025084P (60) Divisional application: 05075786.3 / 1584252 (71) Applicant: ERGODYNE CORPORATION St Paul, Minnesota 55108 (US)	(72) Inventor: VOTEL, Thomas, W. St. Paul, MN 55105 (US) (74) Representative: Kinsler, Maureen Catherine, et al  Kilburn & Strode, 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)