Patent ID: 6823764
Filing Date: 2004-11-30
Classification: A61F,B26F,Y10T

Abstract:
An apparatus for boring stoma wafers, said apparatus comprising:a base on which a stoma wafer is placed, said base comprising an upper base member on which said stoma wafer is placed and a lower base member with said upper base member movably supported on said lower base member so that said upper base member can be moved freely; a guide rod provided on said lower base member and extending through an elongated hole in said upper base member; and a circular cutter for making a circular hole in said stoma wafer placed on said upper base member and provided on said guide rod; and wherein said guide rod restricts vertical and lateral movement of said cutter whereby a non-circular hole comprising at least two staggered circular holes can be accurately bored in said stoma wafer by said circular cutter by moving said upper base member on said lower base member between at least two different positions.