Elongate device having steerable distal extremity and proximal b

Details Elongate device having steerable distal extremity and proximal b Elongate device having steerable distal extremity and proximal b

1993-09-03

1995-04-04

Hindenburg, Max

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

128657, A61M 3700

Patent

active

054032970

ABSTRACT:
Elongate device for insertion into a body cavity comprising an elongate tubular member having proximal and distal extremities. First and second elongate temperature-activated shape-memory elements are carried by and are disposed within at least a portion of the elongate tubular member. The first and second shape-memory elements are substantially circular in cross-section along substantially their entire length. The shape-memory elements have end portions carrying indicia permitting the shape-memory elements to be oriented circumferentially in the elongate tubular member. Heat is supplied to the shape-memory elements to cause bending to occur in the shape-memory elements to form a bend in that portion of the elongate tubular member in which the shape-memory elements are disposed.

REFERENCES:
patent: 4543090 (1985-09-01), McCoy
patent: 5143085 (1992-09-01), Wilson
patent: 5152748 (1992-10-01), Chastagner

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