(19)
(11)
EP 0 356 488 A1
(12)
(43)
Date of publication:
07.03.1990
Bulletin 1990/10
(21)
Application number:
89902441.0
(22)
Date of filing:
27.01.1989
(51)
International Patent Classification (IPC):
G21K
3/
00
( . )
G21K
1/
10
( . )
A61B
6/
00
( . )
(86)
International application number:
PCT/US1989/000265
(87)
International publication number:
WO 1989/007322
(
10.08.1989
Gazette 1989/18)
(84)
Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE
(30)
Priority:
29.01.1988
CA 19880557752
(71)
Applicant:
TECH-ENOMED IMAGING CORP. U.S.A.
Tampa, FL 33618 (US)
(72)
Inventors:
DEMONE, Kenneth, E.
Oakville, Ontario L6L 2G9 (CA)
MCCUTCHEON, Earl, J.
Guelph, Ontario N1K 1C1 (CA)
(74)
Representative:
Patentanwälte Dr. Solf & Zapf
Candidplatz 15
D-81543 München
D-81543 München (DE)
(54)
RADIATION REDUCTION FILTER FOR USE IN MEDICAL DIAGNOSIS