(19)

(11)

EP 0 284 613 A1

(12)

(43) Date of publication: 05.10.1988 Bulletin 1988/40 (21) Application number: 87905006.0 (22) Date of filing: 10.06.1987

(51) International Patent Classification (IPC):  A61H 23/ 02( . ) (86) International application number: PCT/US1987/001306 (87) International publication number: WO 1988/002250 (07.04.1988 Gazette 1988/08)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 29.09.1986 US 19860912566 (71) Applicant: DYNAWAVE CORPORATION Geneva, IL 60134 (US)	(72) Inventors: BARSOTTI, Edward, J. Batazia, IL 60510 (US) HANCE, Richard, D. Elburn, IL 60510 (US) (74) Representative: Goddar, Heinz J., Dr., et al  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)