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Cannula with integrated camera and illumination

  • US 8,834,358 B2
  • Filed: 03/15/2013
  • Issued: 09/16/2014
  • Est. Priority Date: 03/27/2009
  • Status: Active Grant
First Claim
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1. A cannula assembly comprising:

  • a tubular element forming a first lumen, the tubular element having a proximal end and a distal end adapted to be inserted into a body cavity;

    a subassembly releasably attached to the tubular element, the subassembly comprising a deployable element disposed proximate the distal end of the tubular element, wherein the deployable element is adapted for movement between a closed position which substantially obstructs the first lumen and an open position which does not substantially obstruct the first lumen, wherein the deployable element remains coupled to the tubular element in the closed and open positions, and wherein at least one of the subassembly and the tubular element comprises at least two multi-axis accelerometers;

    an electronic component coupled to the deployable element, wherein the electronic component comprises at least one imaging device and at least one illumination source, and wherein the subassembly, including the deployable element and the electronic component, are releasable from the tubular element; and

    an ancillary electronics module comprising a processor adapted to generate images with a selectable horizon based on inputs from the multi-axis accelerometers and the imaging device, wherein the ancillary electronics module is adapted to determine an angle of deployment of the deployable element with respect to the tubular element based upon inputs from the multi-axis accelerometers.

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