Patent ID: 8147512
Filing Date: 2012-04-03
Classification: A61B

Abstract:
1. An instrument, including: first and second arms having tips, wherein the arms are movable back and forth between open and closed positions during operation of the instrument; a first closing guide including structures on the first and second arms, wherein the structures of the first closing guide engage one another when the arms are moved to a first closing position from the open position, and continue to engage and continue to move with respect to one another as the arms are moved to a second closing position beyond the first closing position to guide the tips to closure; and a second closing guide including structures on the first and second arms between the first closing guide and the tips, wherein the structures of the second closing guide engage one another when the arms are moved to the second closing position, and continue to engage and continue to move with respect to one another as the arms are moved beyond the second closing position to guide the tips to closure, wherein the structures of the second closing guide are disengaged until the arms are moved to the second closing position.