Chitosan wound dressing
Document Type
Patent
Publication Date
10-18-2010
Abstract
This invention is directed to advanced hemorrhage control wound dressings, and methods of using and producing same. The subject wound dressing is constructed from a non-mammalian material for control of severe 5 bleeding. The wound dressing for controlling severe bleeding is formed of a biomaterial comprising chitosan, a hydrophilic polymer, a polyacrylic polymer or a combination thereof, The kind of severe, life-threatening bleeding contemplated by this invention is typically of the type not capable of being stanched when a conventional gauze wound dressing is applied with conventional 10 pressure to the subject wound. The wound dressing being capable of substantially stanching the flow of the severe life-threatening bleeding from the wound by adhering to the wound site, to seal the wound, to accelerate blood clot formation at the wound site, to reinforce clot formation at the wound site and prevent bleed out from the wound site, and to substantially prohibit the flow of 15 blood out of the wound site.
Specialty/Research Institute
Surgery
Location
United States
Assignee
Providence Health System--Oregon (Renton, WA); Gregory, Kenton W. (Portland, OR)
Family ID
33452870
Serial Number
12/925,292
Tech ID
01-01-INV-F
Comments
Patent Number: 8,668,924