Patent ID: 9084871
Filing Date: 2015-07-21
Classification: A61B,A61M,Y10T

Abstract:
1. A method of fabricating an elongate structure having a steerable end, the structure comprising a flexible longitudinal body associated with at least one actuator member comprising at least one shape memory alloy wire or “SMAW” extending along the body and comprising two ends, the SMAW being anchored to the body at the two ends of the SMAW, the SMAW being associated with means for heating the SMAW in a controlled manner, wherein the method comprises the following steps: inserting the SMAW in tubes including at least two end tubes; crimping at least the end tubes onto the ends of the SMAW; and securing the tubes to the body in such a manner that the wire extends along the body; wherein the tubes are all obtained by being cut out from a common sheath; and wherein the sheath is cut so as to leave the tubes connected together by ligaments, the tubes as connected together by ligaments then being secured to the body before the ligaments are eliminated.