Patent ID: 6551316
Filing Date: 2003-04-22
Classification: A61B

Abstract:
A selective compressor and distractor instrument comprising:a first handle and a second handle with each thereof having two members pivotally joined together at a pivot axis and each of said members having a hand-receptive portion offset to a first side of said pivot axis and arranged to be hand squeezed toward each other and each of said members having a jaw portion extending offset to a second side of said pivot axis in a location opposite from said first side of said axis and with said two members being pivotally joined together for movement of said jaw portions toward and away from each other, said jaw portions of said members of said first handle being respectively disposed relative to said hand-receptive portions to move toward each other in response to movement of its said hand-receptive portions toward each other, and said jaw portions of said members of said second handle being respectively disposed relative to its said hand-receptive portion to move away from each other in response to movement of its said hand-receptive portion toward each other, a parallel-action assembly of a plurality of links having a pivot axis where said links are pivotally joined together and having a first two ends disposed offset to a first side of said assembly pivot axis and said links having a second two ends disposed offset to a second side of said assembly pivot axis in a location opposite from said first side of said assembly pivot axis and being disposed in an orientation parallel to each other and with said links being connected together to provide parallel movement of said second two ends toward and away from each other upon pivotal action of said assembly, pivotal connectors releasably interengaged between said assembly first two ends and said handle jaw portions of a selected one of said first handle and said second handle, and a work-piece engagable member on each of said assembly second two ends for parallel movement toward and away from each other in accord with the parallel movement of said assembly second two ends.