Methods and systems for accessing a Eustachian tube of a patient are disclosed. The system includes a guide configured for passing into a nasal passage of the patient to position a distal tip of the catheter at or near a Eustachian tube, the guide having a distal tip with a bend having an angle between...http://www.google.fr/patents/US20100198191?utm_source=gb-gplus-shareBrevet US20100198191 - METHOD AND SYSTEM FOR TREATING TARGET TISSUE WITHIN THE EUSTACHIAN TUBE
METHOD AND SYSTEM FOR TREATING TARGET TISSUE WITHIN THE EUSTACHIAN TUBE