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  • US 8,821,514 B2
  • Filed: 05/04/2010
  • Issued: 09/02/2014
  • Est. Priority Date: 06/08/2009
  • Status: Active Grant
First Claim
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1. A surgical fastener applier for ensuring proper seating of a fastener comprising:

  • a housing;

    an actuation mechanism disposed in mechanical cooperation with the housing and defining a longitudinal axis;

    a rotatable center drive mechanism operatively associated with the actuation mechanism;

    a rotatable drive rod extending distally from the housing and configured to support a plurality of fasteners, the rotatable drive rod being at least partially radially surrounded by the plurality of fasteners;

    an axially translatable tubular sleeve coaxially disposed along at least a portion of the drive rod and configured to at least partially radially surround said plurality of fasteners; and

    a control system including a load measuring device supported in the housing, wherein the load measuring device is a load sensor, the control system being configured to prevent a motor of the drive mechanism from operation until a predetermined amount of an external load is directly applied to a distal portion of the tubular sleeve.

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