Patent ID: 8500808

Claim:
An artificial eardrum comprising: a silk protein that is fabricated into a nonporous and transparent silk membrane by desalinating and drying silk protein or a silk protein complex solution obtained after removal of sericin from a silkworm cocoon or silk fiber, wherein the nonporous and transparent silk membrane is fashioned in the form of an artificial eardrum, and further includes at least one additive of gelatin, collagen, alginic acid, hyarulonic acid and pluronic 127, and has a thickness of 80-120 um, and is fabricated using the silk protein or the silk protein complex solution, which has a concentration of 0.8% to 20% at room temperature to 90° C., and the nonporous and transparent silk membrane is recrystallized using ethanol, propanol or an aqueous solution thereof.