A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/20 (2006.01) A61M 5/24 (2006.01) A61M 5/315 (2006.01)
Patent
CA 2258491
An automatic needle insertion device for a pen shaped syringe comprising a cartridge holder (2) wherein a cartridge with a drug can be accommodated, and a dose setting and injection part (1) by which a wanted dose may be set and subsequently pressed out from the cartidge by pressing a button (12) projecting from the dose setting and injection part (1). The device comprises a mainly tubular housing (31) in which a tubular pen holder (22) in which a pen can be mounted can be axially displaced in a proximal direction to cock a spring (30) which can thereafter be released to drive the pen holder (22) with the pen a set distance in a distal direction.
L'invention concerne un mécanisme d'insertion automatique d'aiguille pour seringue de type stylo, comprenant un support de cartouche (2) pour cartouche et médicament, et une partie dosage/injection (1) pour l'établissement d'une dose et son expulsion de la cartouche au moyen d'un bouton (12) faisant saillie depuis cette partie (1). Le mécanisme comprend un boîtier essentiellement tubulaire (31) renfermant un porte-dispositif stylo tubulaire (22), à l'intérieur duquel le dispositif stylo prend place pour être déplacé axialement dans une direction proximale et armer un ressort (30), lequel est ensuite libéré pour déplacer le porte-dispositif stylo (22) et le dispositif stylo proprement dit sur une distance déterminée, dans la direction distale.
Mccarthy Tetrault Llp
Novo Nordisk A/s
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