Rotatable laser probe with beveled tip

Details Rotatable laser probe with beveled tip Rotatable laser probe with beveled tip

1990-07-13

1993-02-23

Aschenbrenner, Peter A.

Surgery

Instruments

Light application

606 15, 606 16, 606 17, 606 7, A61B 1736

Patent

active

051886340

ABSTRACT:
A catheter for ablating obstructing material within a corporal lumen includes a fiber optic member through which radiant energy can be transmitted to a distal end adjacent the site of the obstructing material. Beveled surfaces carried on the distal end of the fiber optic member provide output beams of radiant energy oriented in a direction on the order of 45.degree. with respect to an axis of the member. The laterally deflected radiant energy beams impinge upon regions of plaque or obstructing material in the lumen and have an effective radius greater than the radius of the fiber optic member. By rotating the fiber optic member, a circular locus within the lumen can be ablated or vaporized to create a channel in the lumen with a diameter greater than the diameter of the fiber optic member.

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