Patent ID: 7771409
Filing Date: 2010-08-10
Classification: A61B,A61M

Abstract:
1. A method of performing a surgery on a paranasal sinus of a human or animal subject, said method comprising: inserting an endoscope into a head of the subject; inserting an at least partially rigid guide tool into the head to position a distal end of the guide tool at or near an opening of the paranasal sinus and at least part of the guide tool within a field of view of the endoscope; advancing at least one tubular device that has at least one flexible region along the guide tool to advance a distal end of the tubular device through the opening of the paranasal sinus and outside the field of view of the endoscope; and performing a surgery on the paranasal sinus using the tubular device, wherein at least a portion of the tubular device remains outside the field of view of the endoscope during the surgery.