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Microsurgical robot system

  • US 9,220,567 B2
  • Filed: 04/16/2007
  • Issued: 12/29/2015
  • Est. Priority Date: 08/13/2002
  • Status: Active Grant
First Claim
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1. A surgical robotic system end effector configured to hold a surgical tool, the end effector comprising:

  • a first actuator configured to roll the surgical tool about a longitudinal axis when held by the end effector and comprising a first flexure detection component for detecting force on the surgical tool along the longitudinal axis, wherein the first flexure detection component comprises optical strain sensors;

    a collar configured to surround a portion of the surgical tool; and

    a second actuator operable to move the collar relative to the surgical tool along the longitudinal axis and comprising a second flexure detection component for detecting force on the surgical tool in at least two different directions that are perpendicular to the direction of the longitudinal axis, wherein the second flexure detection component comprises optical strain sensors;

    wherein the end effector is for attachment to a robotic arm and actuatable in response to signals from the robotic arm.

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