Variable stiffness guide wire

Details Variable stiffness guide wire Variable stiffness guide wire

1978-08-29

1980-08-05

Truluck, Dalton L.

Surgery

Truss

Pad

128DIG9, 128348, A61M 2500

Patent

active

042157030

ABSTRACT:
A guide wire capable of being adjusted to provide variable stiffness for catheterizing arterial branches comprises an elongated helical wire coil with a plurality of core wires contained within and joined to the outer wire coil at their distal ends; at their proximal ends there is a handle having two elements which are movable relative to each other connected respectively to the inner core wires and to the wire coil to vary the extent to which the coil may be flexed, by tensioning the core wires and limiting the longitudinal expansion of the coil.

REFERENCES:
patent: 3452740 (1969-07-01), Muller
patent: 3500820 (1970-03-01), Almen
patent: 3521620 (1970-07-01), Cook
patent: 3612058 (1971-10-01), Ackerman
patent: 3625200 (1971-12-01), Muller
patent: 3847140 (1974-11-01), Ayella

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