Published September 1, 1987 | Version v1
Patent

Fresnel lens light applicator

Description

A therapeutic laser radiation applicator is described which consists of: means for providing laser radiation in an elliptical transverse distribution; and means for converting the elliptical transverse distribution of the laser radiation into a circular distribution thereof comprising at least two axially spaced fresnel lenses, and means for mounting the fresnel lenses in preselected association with the laser radiation means for refracting a portion of a laser radiation to the circular distribution adapted to provide a therapeutic tissue irradiation pattern

Availability note (English)

U.S. Commissioner of Patents, Washington, D.C. 20231, USA, $.50.

Additional details

Publishing Information

Imprint Pagination
vp.
IPC:
Int. Cl. Int. Cl. A61N 5/00; F21V 5/04; G02B 3/08.
IPC
Int. Cl. Int. Cl. A61N 5/00; F21V 5/04; G02B 3/08.
Patent number
US patent document 4,690,141/A/

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
19027489
Subject category
S62: RADIOLOGY AND NUCLEAR MEDICINE;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
FRESNEL LENS; IRRADIATION; LASER RADIATION; LASERS; OPERATION; REFRACTION; SPACE DEPENDENCE; SPECIFICATIONS; TISSUES; TRANSVERSE MOMENTUM
Descriptors DEC
AMPLIFIERS; BODY; ELECTROMAGNETIC RADIATION; EQUIPMENT; LENSES; LINEAR MOMENTUM; RADIATIONS