Single puncture lancing fixture with depth adjustment and...

Details Single puncture lancing fixture with depth adjustment and... Single puncture lancing fixture with depth adjustment and...

A - Human Necessities

61

B

A61B 5/15 (2006.01)

Patent

CA 2579834

A lancing mechanism fixture for puncturing skin with a lancet having a penetration end being moveable in a direction substantially parallel to the longitudinal axis of the lancet, the penetration end being moveable from a first position to a second position during a forward stroke, the penetration end being movable from the second position back to the first position during a return stroke. The motion of the lancet is controlled by a cam mechanism including a slot cam and a cam follower connected to a lancet. A drive member applies a linear force to the slot cam whose linear motion and slot path shape forces the lancet to move from a first position to a second position and back to the first position.

L'invention concerne un mécanisme perforant conçu pour perforer la peau au moyen d'une lancette équipée d'un embout de pénétration pouvant se déplacer dans une direction sensiblement parallèle à l'axe longitudinal de la lancette. L'embout de pénétration peut se déplacer d'une première position vers une seconde position lors d'une course avant, et de la seconde position et revenir à la première position lors d'une course retour. Le déplacement de la lancette est commandé par un mécanisme à came comportant une came à rainures et un galet de came reliés à une lancette. Un élément d'entraînement applique une force linéaire à la came à rainures dont le mouvement linéaire et la forme du chemin de rainure force la lancette à se déplacer d'une première position vers une seconde position et à revenir à la première position.

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