Microcatheter having directable laser and expandable walls

Details Microcatheter having directable laser and expandable walls Microcatheter having directable laser and expandable walls

1981-07-06

1983-12-06

Howell, Kyle L.

Surgery

Truss

Perineal

A61B 100

Patent

active

044186886

ABSTRACT:
A fiber optic microcatheter device is provided with a conduit directing system to tilt the distal end of an internal conduit with respect to an external tube held in a lumen by expanding the diameter of an elastic zone on the external tube. Within the internal conduit are viewing and illumination fiber optic bundles which permit viewing within the lumen. A laser light transmitting fiber within the internal conduit may be aimed at a site within the lumen by tilting the distal end of the internal conduit. Also provided are tubes for flushing and vacuum to provide clear viewing within the lumen and to remove debris.

REFERENCES:
patent: 3897775 (1975-08-01), Furihata
patent: 4040413 (1977-08-01), Ohshiro
patent: 4066071 (1978-01-01), Nagel
patent: 4146019 (1979-03-01), Bass et al.
patent: 4207874 (1980-06-01), Choy
patent: 4224929 (1980-09-01), Furihata
patent: 4290421 (1981-09-01), Siegmund
patent: 4313431 (1982-02-01), Frank

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