Surgery – Truss – Pad
Patent
1995-06-09
1997-06-24
Lateef, Marvin M.
Surgery
Truss
Pad
128665, 128633, A61B 505
Patent
active
056409575
ABSTRACT:
An ultraviolet radiation protection evaluator for determining the effectiveness and protection rating of sunscreen. The apparatus contains a fiber optic probe for delivering Ultraviolet radiation directly to skin. The probe receives reflected and diffused ultraviolet radiation from the skin and transmits the same to a monochromator which performs a spectral analysis and evaluation on the reflected radiation. This information is transmitted to a computer having software for evaluating the readings. The readings are taken first on untreated skin then again on skin treated with a sunscreen. The software, via variables inputted to the computer, computes the ratio of the sunscreen data obtained from both the treated and untreated skin along with the product of the spectrum of the light and radiation source and the action spectrum of UV induced erythema and qualitively characterizes the sunscreen in relation to natural skin protection.
REFERENCES:
patent: 4423736 (1984-01-01), DeWitt et al.
patent: 4882598 (1989-11-01), Wulf
patent: 4894547 (1990-01-01), Leffell et al.
patent: 5201318 (1993-04-01), Rava et al.
"Biological Responses to Ultraviolet A Radiation"; from the symposium of the Second International Conference of the American Society for Photobiology, Jun. 27-28, 1991; Copyright 1992 (Valdernmar Publishing Company).
Kaminski Ray
Kollias Nikiforos
Casler Brian L.
Instruments SA, Inc.
Lateef Marvin M.
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