Patent ID: 6391016
Filing Date: 2002-05-21
Classification: A61B,A61M

Abstract:
A method for trephination and irrigation of the frontal sinus cavity comprising the steps of:making an incision in soft tissue covering the frontal bone defining a wall of the frontal sinus cavity; placing a skin protective drill guide through the incision to engage the frontal bone, the drill guide having a lumen therethrough; drilling a trephine hole in the frontal bone by passing a trephination instrument through the lumen in the drill guide; withdrawing the trephination instrument from the drill guide; inserting a guide pin through the lumen of the drill guide and into the trephine hole; removing the drill guide; inserting an irrigation cannula over the guide pin and into the trephine hole; and supplying irrigation fluid into the frontal sinus through the irrigation cannula.