(19)
(11) EP 0 550 622 A1

(12)

(43) Date of publication:
14.07.1993 Bulletin 1993/28

(21) Application number: 91917722.0

(22) Date of filing: 27.09.1991
(51) International Patent Classification (IPC): 
A61M 37/ 00( . )
A61M 31/ 00( . )
(86) International application number:
PCT/SE1991/000651
(87) International publication number:
WO 1992/005759 (16.04.1992 Gazette 1992/09)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU NL SE

(30) Priority: 28.09.1990 SE 19900003096

(71) Applicant: AKTIEBOLAGET ASTRA
S-151 85 Södertälje (SE)

(72) Inventors:
  • LINDSTRÖM, Kjell
    S-236 36 Höllviken (SE)
  • MANSSON, Wiking
    S-237 00 Bjärred (SE)
  • NYBERG, Lars
    S-222 52 Lund (SE)

   


(54) DEVICE FOR ADMINISTERING A PHYSIOLOGICALLY ACTIVE SUBSTANCE TO THE GASTRO-INTESTINAL TRACT