Method and apparatus for treating a body site with laterally dir

Details Method and apparatus for treating a body site with laterally dir Method and apparatus for treating a body site with laterally dir

1991-04-22

1993-09-07

Aschenbrenner, Peter A.

Surgery

Instruments

Light application

606 7, 606 17, A61B 1736

Patent

active

052424383

ABSTRACT:
A method and device are provided for directing laser radiation to a body cavity site. A hollow, elongate, optical fiber is advanced, usually in a containing device, to the vicinity of the site and coupled to a laser source with a distal end region of the fiber extending along a longitudinal axis. The fiber terminates in an energy delivery surface for emitting laser radiation transmitted by the fiber. The radiation is intercepted at a location axially aligned with the energy delivery surface and is reflected in a beam radiating substantially transversely of, and substantially circumferentially around, the axis. A reflector member or block is provided for reflecting the radiation and is mounted in an open end of the catheter at a selected axial position along the axis. A fluid, such as a flushing fluid, can be directed between the end of the fiber, against the reflector member, and to the body site.

REFERENCES:
patent: 4207874 (1980-06-01), Choy
patent: 4768858 (1988-09-01), Hussein
patent: 4784132 (1988-11-01), Fox et al.
patent: 4819632 (1989-04-01), Davies
patent: 4820015 (1989-04-01), Mogi
patent: 4832024 (1989-05-01), Boussignac et al.
patent: 4852567 (1989-08-01), Sinofsky
patent: 5041121 (1991-08-01), Wondrazek

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