Detection of collisions in medical procedures

A - Human Necessities – 61 – B

Patent

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A61B 19/00 (2006.01) A61B 5/055 (2006.01) G01D 3/08 (2006.01) G01D 5/353 (2006.01)

Patent

CA 2542932

A method of detecting collisions between elements in a medical procedure such as between a magnet and another element in the procedure mounting on the medical device a flexible body within which is mounted one or more parallel side by side optical fibers arranged such that the impact causes bending of one or more of the optical fibers and detecting changes in light transmission through the optical fiber to detect the bending and thus the collision. The single fiber or fibers are located in a junction between a lower body of resilient foam and a surface layer of a stiffer flexible material.

L'invention porte sur une méthode visant à détecter les chocs ayant lieu entre des éléments au cours d'actes médicaux, par exemple entre un aimant et un autre élément, lorsqu'un dispositif médical est monté sur un corps flexible qui contient une ou plusieurs fibres optiques en parallèle dont l'arrangement fait en sorte que le choc cause une flexion d'une ou de plusieurs fibres optiques et permet de détecter les variations de transmission de la lumière à travers les fibres optiques dans le but de déceler la flexion et, donc, le choc. La ou les fibres sont situées à la jonction entre la partie inférieure d'une mousse résiliente et la surface d'une matière flexible plus raide.

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