Steerable catheter

Details Steerable catheter Steerable catheter

1988-11-18

1990-10-02

Cohen, Lee S.

Surgery

Truss

Pad

128642, 128800, A61N 100

Patent

active

049601342

ABSTRACT:
A catheter, which is adapted to be inserted into a body lumen, comprises a symmetrical cylindrical control handle, an elongate tubular catheter body, and a flexible catheter tip having a lumen offset from the axis of the catheter tip. The control handle comprises a housing having a piston chamber at its distal end. A piston is mounted in the piston chamber and is afforded lengthwise movement. The proximal end of the catheter body is fixedly attached to the distal end of the piston. A puller wire is attached to the housing and extends through the piston, through and coaxial with the catheter body and into the offset lumen of the catheter tip where it is attached to the wall of the catheter tip. Lengthwise movement of the piston relative to the housing results in deflection of the catheter tip.

REFERENCES:
patent: 3552384 (1971-01-01), Pierie et al.
patent: 3631848 (1972-01-01), Muller
patent: 4456017 (1984-06-01), Miles
patent: 4633880 (1987-01-01), Osypka et al.
patent: 4832048 (1989-05-01), Cohen

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