Laser barrier

Details Laser barrier Laser barrier

1986-04-02

1988-04-05

Yasko, John D.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

128132R, 604372, A61F 1300

Patent

active

047356235

ABSTRACT:
A laser shield consists essentially of a series of spherical glass bubbles densely packed within a range of 1.95.times.10.sup.3 bubbles per cubic centimeter to 1.25.times.10.sup.8 bubbles per cubic centimeter encapsulated in a matrix of silicone to provide a flexible and lightweight foam-like material to terminate CO.sub.2 laser radiation without producing a substantial carbon plume. The glass bubbles may be filled with a gas. In another embodiment, a laser shield consists essentially of water encapsulated in a matrix of silicone to provide a flexible and lightweight material to terminate CO.sub.2 laser radiation without producing a substantial carbon plume. In another embodiment, water bubbles and glass bubbles are both encapsulated within a matrix of silicone to provide a laser shield. A surgical drape, a surgical sponge and an endotracheal tube are formed of a flexible and lightweight material of a series of densely packed bubbles encapsulated in a matrix of silicone to terminate laser radiation.

REFERENCES:
patent: 3919136 (1975-11-01), Smith
patent: 3933712 (1976-01-01), Vanaglash, Jr.
patent: 4000108 (1976-12-01), Yokokawa
patent: 4072635 (1978-02-01), Jeram
patent: 4079162 (1978-03-01), Metzger
patent: 4433069 (1984-02-01), Harper
patent: 4520814 (1985-06-01), Weeks
patent: 4601286 (1986-07-01), Kaufman
patent: 4604998 (1986-08-01), Bellina

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