Energy stored in spring with controlled release

Details Energy stored in spring with controlled release Energy stored in spring with controlled release

A - Human Necessities

61

B

A61B 17/068 (2006.01)

Patent

CA 2519461

There is provided a surgical instrument including a handle having an elongated tubular member extending distally from the handle and one or more end effectors mounted on the distal end of the elongate tubular member. A driver is movably mounted within the handle and elongate tubular member in order to operate the end effectors. The surgical instrument includes an energy storage mechanism for storing and providing energy to move the driver and thereby actuate the surgical instrument. Various actuation mechanisms are disclosed which are operable on the energy storage mechanism to control the rate of release of the energy stored in the energy storage mechanism.

L'invention concerne un instrument chirurgical comprenant une poignée qui présente un élément tubulaire allongé s'étendant de manière distale par rapport au manche et un ou plusieurs effecteurs montés sur l'extrémité distale de l'élément tubulaire allongé. Un élément d'entraînement est monté mobile à l'intérieur de la poignée et de l'élément tubulaire allongé afin de faire fonctionner les effecteurs d'extrémité. Ledit instrument chirurgical comprend un mécanisme de stockage d'énergie permettant de stocker et de fournir de l'énergie afin de déplacer l'élément d'entraînement et ainsi d'actionner ledit instrument chirurgical. Plusieurs mécanismes d'actionnement peuvent être utilisés avec ledit mécanisme de stockage d'énergie afin de commander le taux de libération d'énergie stockée dans ce dernier.

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