Patent ID: 9522264
Filing Date: 2016-12-20
CPC Classification: A61B,A61M

Claim Text:
1. A ratcheted handle for a fiducial deployment system comprising: a fiducial deployment needle configured to retain and to distally deploy, in a controlled serial manner, a plurality of fiducials; an advancement mechanism for said fiducial deployment, the advancement mechanism comprising: where the actuation member is configured as a button that is depressible through the handle member wall, and that button is biased or urged generally transversely relative to and away from the longitudinal axis of the handle member, where the teeth are depressible into the rack by depressing actuation of the button toward the longitudinal axis; where the rack is urged distally along the longitudinal axis by a spring; and where a distal-most non-depressed tooth engages a keeper element effectively to prevent distal rack movement unless that distal-most tooth is depressed out of engagement with the keeper element.