Force sensor assembly for an infusion pump

Details Force sensor assembly for an infusion pump Force sensor assembly for an infusion pump

A - Human Necessities

61

M

A61M 5/168 (2006.01) F04B 43/08 (2006.01) F04B 43/12 (2006.01) G01L 1/26 (2006.01)

Patent

CA 2401568

A force sensor assembly (200), for use in peristaltic pumps includes a housing (202), and a load cell (206) at least partially disposed within housing. A plunger (216), pivotable about an axis, has an upper surface and an underside surface distal from the upper surface. The underside surface co-operates with the load cell. The force sensor further includes a mechanism to reduce the load cell's sensitivity to the positioning of an applied force on the upper surface.

L'invention concerne un ensemble capteur de force (200) s'utilisant dans des pompes péristaltiques, qui comporte un corps (202) et un dynamomètre (206) placé au moins partiellement dans le corps. Un piston (216), pouvant pivoter autour d'un axe, comporte une surface supérieure et une surface inférieure distale par rapport à la surface supérieure. La surface inférieure coopère avec le dynamomètre. Le capteur de force comprend en outre un mécanisme permettant de réduire la sensibilité du dynamomètre par rapport au positionnement d'une force appliquée sur la surface supérieure.

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