Device facilitating the exchange of dilatation catheters during

Details Device facilitating the exchange of dilatation catheters during Device facilitating the exchange of dilatation catheters during

1985-01-08

1986-10-14

Thaler, Michael H.

Surgery

Truss

Pad

128344, 1283481, 604 95, 604159, A61B 1700

Patent

active

046166483

ABSTRACT:
Device facilitating the exchange of dilatation catheters during an angioplasty procedure by the use of an exchange wire in which the exchange wire extends through the dilatation catheter into a predetermined position in a vessel of a patient. The device includes first friction rollers engaging the dilatation catheter for advancing or retracting the dilatation catheter and second friction rollers engaging the exchange wire for advancing or retracting the exchange wire. A rotatable member is provided for causing operation of said first and second friction rollers in substantial synchronism and causing movement of the dilatation catheter in one direction and the movement of the exchange wire in an opposite direction so that the distal extremity of the exchange wire remains in a predetermined position in the vessel of the patient during the time that a dilatation catheter is being inserted or being removed from the vessel of the patient.

REFERENCES:
patent: 3774605 (1973-11-01), Jewett
patent: 4401433 (1983-08-01), Luther

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