Device for administering a fluid product

• Main Authors: GURTNER THOMAS, STECK JURG, BAUMERT JAN, HOSTETTLER PATRICK, BINGGELI NICOLAS, BURI THOMAS, LAUSTER CHRISTOPH, MATHYS RENE
• Format: Patent
• Language: Chinese; English
• Published: 12.10.2016
• Subjects: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

An infusion apparatus (1) for the administration of a medication from a reservoir (2) with a plug (4) moveable along a central axis in a distal direction for ejection, the apparatus comprising; a housing (5) and a drive mechanism and a force sensor (85) and a transfer element (56); wherein the drive mechanism comprises a first (51) and a second (52) conveying element, the second conveying element (52) to advance the plug (4) in the reservoir (2) in said distal direction, the first conveying element (51) limited for axial movement relative to the housing but rotatable in both senses to facilitate an ejecting or resetting movement of the second conveying element (52); wherein the force sensor (85) is arranged in the central axis between a part of the housing and the proximal end of the drive mechanism and wherein the transfer element (56) is axially stacked between the force sensor (85) and the first conveying element (51) such that the force sensor (85) bears axial forces exerted by the ejection movement; char