(19)

(11)

EP 0 106 843 A1

(12)

(43) Date of publication: 02.05.1984 Bulletin 1984/18 (21) Application number: 82901691.0 (22) Date of filing: 16.04.1982

(51) International Patent Classification (IPC):  A61B 5/ 087( . ) G01R 19/ 252( . ) H03B 5/ 12( . ) A61B 5/ 113( . ) G01R 27/ 26( . ) H03B 1/ 00( . ) (86) International application number: PCT/US1982/000500 (87) International publication number: WO 1983/003533 (27.10.1983 Gazette 1983/25)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicants: WATSON, Herman Lanier Miami FL (US) STOTT, Frank Dudley Wooten Oxfordshire (GB)	(72) Inventors: WATSON, Herman Lanier Miami FL (US) STOTT, Frank Dudley Wooten Oxfordshire (GB) (74) Representative: Baldock, Hugh Charles  Lloyd Wise, Tregear & Co. Norman House 105-109 Strand London, WC2R 0AE London, WC2R 0AE (GB)