Steerable surgical instrument

Details Steerable surgical instrument Steerable surgical instrument

A - Human Necessities

61

B

A61B 17/32 (2006.01) A61B 1/005 (2006.01) A61B 17/00 (2006.01) A61B 17/28 (2006.01)

Patent

CA 2304706

A surgical instrument is steerable from the hub of the instrument to move a surgical tool to different offset positions. The instrument includes a shaft disposed along a longitudinal axis between a proximal region and a distal region at which the surgical tool is supported. A steering body is connected to the shaft proximally of the surgical tool and is configured to transmit proximally directed and distally directed forces applied by an actuator to a proximal end thereof to the shaft to bend the shaft in a flexible region of the shaft and offset the surgical tool from the longitudinal axis of the shaft.

L'invention concerne un instrument chirurgical qui peut être orienté depuis son moyeu, de manière à prendre différentes positions décalées par rapport à l'axe. L'instrument comprend un arbre placé le long d'un axe longitudinal, entre une zone proximale et une zone distale où l'instrument est soutenu. Un corps de commande d'orientation, relié à l'arbre à proximité de l'instrument, est conçu pour transmettre à l'arbre différentes forces à orientations proximale et distale appliquées par un actionneur à une extrémité proximale de l'instrument, de manière à courber l'arbre en une partie flexible de celui-ci et à décaler l'instrument chirurgical par rapport à l'axe longitudinal de l'arbre.

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