Medical device with improved actuating handle

Details Medical device with improved actuating handle Medical device with improved actuating handle

A - Human Necessities

61

B

A61B 17/22 (2006.01) A61B 17/28 (2006.01) A61B 17/32 (2006.01) A61M 25/01 (2006.01) A61B 17/00 (2006.01) A61B 17/30 (2006.01) A61B 18/14 (2006.01) A61B 18/24 (2006.01) A61M 25/10 (2006.01)

Patent

CA 2168968

This invention is a medical device (10) having a body (18), an actuating member (24) mounted to move relative to the body, a working element (20) and an elongated force transmitting member (12) capable of transmitting force between the actuating member and the working element. The force transmitting member includes a flexible cable portion. The force transmitting member is attached on one side of the cable portion to the body, and associated in a driving relationship on an opposite side of the cable portion with the working element. The actuating member includes a pulley surface (26) bodily movable therewith. The cable portion is trained about the pulley surface such that movement of the actuating member, given a distance relative to the body, causes the working element to move a substantially greater distance than the given distance.

L'invention concerne un dispositif médical (10) possédant un corps (18), un élément d'actionnement (24) monté pour se déplacer par rapport au corps, un élément opérationnel (20) et un élément allongé de transmission de force (12), pouvant transmettre une force d'actionnement entre l'élément d'actionnement et l'élément opérationnel. L'élément de transmission de force comprend une partie de câble souple et est fixé, sur un côté opposé de la partie de câble, à l'élément opérationnel, afin de l'actionner. L'élément d'actionnement comprend une surface de poulie (26) qui se déplace avec ledit élément. La partie de câble est entraînée autour de ladite surface de telle façon que le déplacement de l'élément d'actionnement sur une distance donnée par rapport au corps provoque le déplacement de l'élément opérationnel sur une distance sensiblement supérieure à la distance donnée.

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