A method and apparatus for treating ear infections in which a straight linear path is established from an external position to a specific target site on the eardrum. Thereafter a laser beam is caused to be emitted along the established path to impinge upon the eardrum to create a hole at the target site....http://www.google.se/patents/US4712537?utm_source=gb-gplus-sharePatent US4712537 - Apparatus for treating recurrent ear infections