Reciprocating guidewire method

Details Reciprocating guidewire method Reciprocating guidewire method

1987-11-09

1989-08-08

Hindenburg, Max

Surgery

Truss

Pad

128772, 128305, 604164, A61B 600

Patent

active

048543250

ABSTRACT:
Guidewire insertion method and apparatus. A guidewire can be inserted into an obstructed blood vessel. A proximal portion of the guidewire is driven back and forth at high speed by a hand-held drive unit containing a battery, a D.C. motor and a transmission that converts rotating motor output shaft motion to reciprocating back and forth movement of a clamp that engages the guidewire. The guidewire moves back and forth at high speed within a catheter and a distal guidewire tip engages the obstruction with a ramming back and forth action to form a pilot passageway through the obstruction.

REFERENCES:
patent: 3352303 (1967-11-01), Delaney
patent: 3906938 (1975-09-01), Fleischhacker
patent: 4223676 (1980-09-01), Wuchinich et al.
patent: 4749376 (1988-06-01), Kensey et al.

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