Patent ID: 6958071
Filing Date: 2005-10-25
Classification: A61B,A61M

Abstract:
1. A surgical handpiece for actuating a cutting accessory, said handpiece having: a body; a motor disposed in said body, said motor having a rotating output shaft; a first drive head rotatably disposed in said body and connected to said motor output shaft to rotate upon the rotation of said output shaft; a second drive head rotatably disposed in said body, said second drive head having a coupling member designed to receive a cutting accessory drive hub so that the drive hub rotates in unison with the second drive head; said first drive head having a coupling member designed to receive a cutting accessory drive hub so that the drive hub rotates in unison with said first drive head while a first gear assembly connects said second drive head to said motor output shaft and said first gear assembly drives said second drive head upon actuation of said motor output shaft and drives said second drive head at a rotational speed different than the rotational speed at which said first drive head is rotated.