Patent ID: 9415141
Filing Date: 2016-08-16
CPC Classification: A61L,A61P

Claim Text:
1. A method for manufacturing a biodegradable membrane for preventing adhesion formation after cardiac surgery, the method comprising: dissolving a polyhydroxybutyrate/hydroxyvalerate (PHBV) copolymer in chloroform to form a composition; adding at least one biologically active substance to the composition; adding poly (D, L-lactide) to the composition and further dissolving the composition in the chloroform up to a concentration of 6% to 9%; and stirring the composition for about 2 hours using a magnetic stirrer at a temperature up to 35° C., wherein a ratio of dry PHBV copolymer and dry poly (D, L-lactide) in the composition is 3:1, and wherein the membrane is produced by electrostatic spinning.