Patent ID: 6786925
Filing Date: 2004-09-07
Classification: A61B,A61F

Abstract:
A driver tool for driving fasteners through fastener holes of a heart valve prosthesis component into a tissue annulus of a heart, comprising:a tool housing having a distal housing end couplable to the component and a proximal housing end spaced away from the distal housing end along an axis; a central shaft in the tool housing having a proximal shaft end couplable to a driving force, and having a distal shaft end; a first satellite gear drive layer having a first drive gear engaging the distal shaft end and a first plurality of satellite gears at first spaced circumferential positions meshing with the first drive gear, and having a first plurality of flexible shafts connected to the first plurality of satellite gears and adapted to drive a first portion of the fasteners; and a second satellite gear drive layer having a second drive gear engaging the distal shaft end and a second plurality of satellite gears at second spaced circumferential positions meshing with the second drive gear, and having a second plurality of flexible shafts connected to the second plurality of satellite gears and arranged to drive a second portion of the fasteners.