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Sterile drape interface for robotic surgical instrument

  • US 7,886,743 B2
  • Filed: 03/31/2008
  • Issued: 02/15/2011
  • Est. Priority Date: 03/31/2008
  • Status: Active Grant
First Claim
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1. A sterile drape for covering a robotic surgical manipulator, the sterile drape comprising:

  • a sterile sheet that covers at least a portion of the robotic surgical manipulator;

    a substantially rigid frame that is bonded to the sterile sheet;

    an instrument interface that covers a drive plate of the robotic surgical manipulator, the instrument interface transmitting motion of the drive plate to a first surface of a gimbal assembly of an attached surgical instrument; and

    a diaphragm that connects the instrument interface to the frame and provides a barrier between the robotic surgical manipulator and the attached surgical instrument that allows the instrument interface to move within the frame with two degrees of rotational freedom about a center of motion that is coincident with an intersection of the axes of the gimbal assembly when the sterile drape is in an operative position.

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