A bendable structure and a method for bending a structure

Details A bendable structure and a method for bending a structure A bendable structure and a method for bending a structure

A - Human Necessities

61

B

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

Patent

CA 2710267

The invention relates to a bendable structure 40 com-prising a body 41 conceived to be bent; an actuator 42, 43, 44 for in-ducing a bending force in the body, wherein the actuator comprises a wire at least partially manufactured from a uni-directional shape memory alloy (SMA) material, said wire being pre-deformed and being arranged in contact with a portion of the body for forming a bridge structure conceived to transfer mechanic energy across the bridge. The bendable structure 40 may relate to a bendable catheter or an en-doscope.

La présente invention concerne une structure qui peut être fléchie (40) et comprend un corps (41) conçu pour être fléchi ; un actionneur (42, 43, 44) pour induire une force de courbure dans le corps, l'actionneur comportant un fil au moins partiellement fabriqué dans un matériau d'alliage à mémoire de forme (SMA) unidirectionnel. Ledit fil est pré-déformé et est placé au contact d'une partie du corps pour former une structure de pont conçue pour transférer l'énergie mécanique à travers le pont. La structure fléchissable (40) peut concerner un cathéter ou un endoscope fléchissable.

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