Laser atherectomy catheter

Details Laser atherectomy catheter Laser atherectomy catheter

1988-08-08

1990-10-30

Pellegrino, Stephen C.

Surgery

Instruments

Light application

606 15, 128398, A61B 1736

Patent

active

049665960

ABSTRACT:
Method to remove an eccentric vascular obstruction by excision with laser energy, preferably excimer laser energy, delivered through a mobile fiber optic shelf, and collecting the excised section within a housing.
Apparatus to perform a surgically smooth excision of an eccentric vascular obstruction whereby a mobile fiber optic shelf delivers excimer laser energy to the obstruction to sever the obstruction from the vessel wall, a housing collects the excised section through a radially located cut-out window, the mobile fiber optic shelf traps the excised section within the housing, and a laser light collector prevents the escape of laser energy after application to the obstruction wherein the excised obstruction is physically removed from a patient's body.

REFERENCES:
patent: 4040413 (1977-08-01), Ohshiro
patent: 4249533 (1981-02-01), Komiya
patent: 4266547 (1981-05-01), Komiya
patent: 4694828 (1987-09-01), Eichenbaum
patent: 4832023 (1989-05-01), Murphy-Chutorian

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