Articulating torqueable hollow device

A - Human Necessities – 61 – B

Patent

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Details

A61B 1/005 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2684756

An articulating mechanism for use in a medical device, such as an endoscope or a catheter, includes a series of stacked links disposed adjacent to one another and movable with respect to each other. Each link includes a front face tapered to a pair of pivot points and a rear face defining a wedge shaped recess for receiving the pivot points of the adjacent link. Pull-wires provide tension and hold the staked links together while also allowing for controlled bending of the distal portion by movement of one or more of the pull-wires.

Un mécanisme articulé destiné à une utilisation dans un dispositif médical, tel qu'un endoscope ou un cathéter, comprend une série de liaisons superposées disposées de manière adjacente les unes par rapport aux autres et amovibles les unes par rapport aux autres. Chaque liaison comprend une face avant diminuant progressivement jusqu'à une paire de points pivots et une face arrière définissant un évidement sous forme de biseau destiné à recevoir les points pivots de la liaison adjacente. Des fils de traction fournissent une tension et maintiennent les liaisons superposées ensemble tout en permettant également de contrôler la flexion de la partie distale par le mouvement d'un ou des fils de traction.

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