Patent 7863005 was granted and assigned to Nippon Medical School on January, 2011 by the United States Patent and Trademark Office.
It is an object of the present invention to provide a simple, reliable and low-invasive method to detect perilymph fistulas. The present invention provides a method for detecting a perilymph fistula, which comprises detecting the existence of Cochlin in body fluid existing in the middle ear.