Method for collagen shrinkage
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United States of America Patent
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Apr 19, 1994
Issued Date -
N/A
app pub date -
Aug 17, 1992
filing date -
Sep 27, 1985
priority date (Note) -
Expired
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Abstract
A method for shrinkage of collagen tissue by application of coherent infrared energy, in which the threshold shrinkage temperature is substantially reduced by application of a reagent such as lysozyme to the tissue prior to heating. The method is especially useful in ophthalmology for shape modification of a cornea, and is enhanced by using a corneal collagen shield as a carrier and delivery agent for the reagent and an admixed anaesthetic.
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