Steering system with locking mechanism

A - Human Necessities – 61 – B

Patent

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Details

A61B 19/00 (2006.01)

Patent

CA 2722507

A steerable device, such as a steerable catheter, may include a control handle and an insertion shaft extending outwardly therefrom. In use, the insertion shaft is navigated to an area of interest for examination and/or treatment thereof. The steerable device may include a steering system that controls the deflection angle of the distal end of the insertion shaft in two or more non-planar directions for navigating the insertion shaft to the area of interest. The steering system may also include a locking mechanism for arresting or partially arresting the movement of the distal end of the insertion shaft in a first direction independent of arresting or partially arresting the movement of the distal end in a second non-planar direction.

L'invention concerne un dispositif orientable, tel qu'un cathéter orientable, pouvant comprendre une poignée de commande et une tige d'insertion s'étendant vers l'extérieur. En fonctionnement, le manche d'insertion est déplacé vers une zone d'intérêt en vue de l'examen et/ou du traitement de celle-ci. Le dispositif orientable peut comprendre un système orientable qui commande l'angle de déflexion de l'extrémité distale de la tige d'insertion dans deux ou plusieurs directions non planaires afin de déplacer la tige d'insertion vers la zone d'intérêt. Le système orientable peut également comprendre un mécanisme de verrouillage destiné à interrompre ou partiellement interrompre le mouvement de l'extrémité distale de la tige d'insertion dans une première direction indépendante de l'interruption ou de l'interruption partielle du mouvement de l'extrémité distale dans une seconde direction non planaire.

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