MECHANISM FOR MANIPULATING A TOOL

摘要

2137290 9325267 PCTABS00028 A flexible elongate device (11) comprising a flexible elongate member (16) having proximal (12) and distal (13) extremities and a tool actuator member (46) mounted on the distal extremity of the flexible elongate member. At least one elongate element (12 and 13) having a negative coefficient of expansion is carried by the distal extremity of the flexible elongate member and is connected to the tool actuator member (46) for causing movement of the tool actuating member. A control console (66) is provided for supplying electrical energy to the elongate member.