Device for radiating light onto a skin surface during a medical or cosmetic skin treatment
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United States of America Patent
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Aug 24, 2010
Grant Date -
Jan 30, 2003
app pub date -
Feb 22, 2001
filing date -
Feb 23, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a handpiece for radiating light onto a skin surface during a medical or cosmetic skin treatment. An optical coupling element (6) is provided in said handpiece (1). The light entrance surface (8) of said coupling element faces towards a light source, while its light exit surface (5) is in contact with the skin surface (2) during the skin treatment. The invention provides that the coupling element (6) of a handpiece (1) of this type consists of a bundle of light guides which end in the light entrance surface (8) and in the light exit surface (5) and which are in such close lateral contact with each other, at least in their end sections, that there are no optically ineffective intermediate spaces.
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