Liquid drug delivery micropump

Details Liquid drug delivery micropump Liquid drug delivery micropump

A - Human Necessities

61

M

A61M 5/142 (2006.01) F04B 7/06 (2006.01) F04B 19/00 (2006.01)

Patent

CA 2541121

A pump system for the subcutaneous delivery of a liquid medicament, having a pump module (10) comprising a stator housing (28) with a chamber (30), a rotor (32) rotatably and axially slidably received in the chamber and comprising a first axial extension (46) with a liquid supply channel (50) and a second axial extension with a liquid supply channel (52), the first and second axial extensions having different diameters, and first and second sealing rings (54, 56), mounted around the first and second axial extensions.

L'invention concerne un système de pompe pour l'administration sous-cutanée d'un médicament liquide, comportant un module pompe (10) comprenant un boîtier de stator (28) et un rotor (30) logé à rotation et à coulissement axial dans une chambre (32) et possédant un premier prolongement axial (46) muni d'un canal d'amenée de liquide (50) et un deuxième prolongement axial doté d'un canal d'amenée de liquide (52), ces premier et deuxième prolongements axiaux présentant des diamètres différents, ainsi que des première et deuxième bagues d'étanchéité (54, 56) montées autour des premier et deuxième prolongements axiaux.

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