Steering mechanism

Details Steering mechanism Steering mechanism

A - Human Necessities

61

M

A61M 25/01 (2006.01) A61B 1/005 (2006.01) A61B 1/307 (2006.01) A61B 1/31 (2006.01)

Patent

CA 2743301

A steering mechanism (110,210,310,410) includes an elongate housing (112,212,312,412) and an actuation system adapted to control movement of a steerable member of a medical device. The housing is couplable to the steerable member. The actuation system (370,470) is coupled to the housing and includes an actuator (122,222,323,423), a first cam (330,430), and a second cam (350,450). The actuator can move the first cam as the actuator is moved along a first axis, thereby moving the steerable member along a first plane. The actuator can move the second cam as the actuator is moved along a second axis, thereby moving the steerable member along a second plane different than the first plane.

L'invention porte sur un mécanisme de guidage (110, 210, 310, 410) qui comprend un boîtier allongé (112, 212, 312, 412) et un système d'actionnement apte à commander le mouvement d'un élément guidable d'un dispositif médical. Le boîtier peut être couplé à l'élément guidable. Le système d'actionnement (370, 470) est couplé au boîtier et comprend un actionneur (122, 222, 323, 423), une première came (330, 430), et une seconde came (350, 450). L'actionneur peut déplacer la première came à mesure qu'on déplace l'actionneur selon un premier axe, déplaçant ainsi l'élément guidable selon un premier plan. L'actionneur peut déplacer la seconde came à mesure qu'on déplace l'actionneur selon un second axe, déplaçant ainsi l'élément guidable selon un second plan différent du premier plan.

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