Patent ID: 7931660
Filing Date: 2011-04-26
Classification: A61B,A61F

Abstract:
1. A powered tacker device comprising: a handle assembly having a power source and a drive assembly mounted within the handle assembly, the drive assembly including a keyed journal rotatably mounted within the handle assembly and rotatable in response to actuation of the power source, a drive bar longitudinally movable relative to the keyed journal and a rotator rotatable in response to rotation of the keyed journal; an actuator associated with the handle assembly and operable to engage the power source with the drive assembly; and a tacker assembly extending distally from the handle assembly and containing a plurality of surgical fasteners, the tacker assembly including an inner tube terminating in a driver engageable with the fasteners, wherein the inner tube is connected to the rotator and rotatable in response to rotation of the keyed journal, wherein the keyed journal includes a threaded bore and the drive bar includes a threaded outer surface engageable with the threaded bore such that rotation of the keyed journal moves the drive bar in a longitudinal direction within the handle assembly, and wherein the drive bar is connected to the rotator to move the rotator longitudinally within the handle assembly in response to rotation of the keyed journal, and wherein the keyed journal includes distally extending keys and the rotator includes slots engageable with the keys such that the rotator is rotated in response to rotation of the keyed journal.