Films having improved characteristics and methods for their preparation and use
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United States of America Patent
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Aug 3, 1999
Issued Date -
N/A
app pub date -
Feb 6, 1997
filing date -
Sep 6, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Gelatin film compositions are useful for immobilization over tissue, usually by the application of energy to the films. Exemplary films comprise cross-linked and non-cross-linked granular and non-granular gelatin sheets, typically including a plasticizer. The gelatin films are dry, thin, and preferably meet certain pliability, elasticity, melting temperature, and other criteria. Methods are described for producing these films from collagen. Methods are further described for applying these films to tissue.
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