Abstract: There is disclosed a collagen preparation formed from a collagen selected from the group consisting of Type I collagen, Type III collagen and mixtures thereof into a particulate collagen of a particle size of from about 1 to 50 .mu.m, preferably 5 to 25 .mu.m into a delivery system, such as an aerosol, and thus in sprayable form as a wound dressing alone, or with releasing drugs or other active agents. The particulate collagen comprises up to about 20% by weight of the resulting delivery system.
Type:
Grant
Filed:
September 11, 1989
Date of Patent:
March 23, 1993
Assignee:
Micro-Collagen Pharmaceutics, Ltd.
Inventors:
Fred Silver, Vinay Sharma, Dieter R. Berndt, Louis E. Marn