Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Patent
1995-06-07
1998-08-11
Bawa, Raj
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
424426, 424 7806, 424 45, 523113, 604218, A61F 202
Patent
active
057924694
ABSTRACT:
The invention is directed to a biodegradable film dressing with or without additional therapeutic agents, an apparatus for spray delivery and a method for formation of the film dressing-on a human or animal tissue. The film dressing is formed from a liquid composition of at least one biodegradable/bioerodible thermoplastic polymer in a pharmaceutically acceptable solvent. The spray apparatus includes a vessel containing the liquid composition with a dispensing means. The film is formed by dispensing, preferably by spraying, the liquid composition onto a tissue site and contacting the liquid composition with an aqueous based fluid to coagulate or solidify the film onto the human or animal tissue. The biodegradable film can be used to protect and to promote healing of injured tissue and/or to deliver biologically active agents.
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Dunn Richard L.
Fujita Shawn M.
Tipton Arthur J.
Atrix Laboratories, Inc.
Bawa Raj
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