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Tissue visualization and modification device

  • US 10,045,686 B2
  • Filed: 01/11/2013
  • Issued: 08/14/2018
  • Est. Priority Date: 11/12/2008
  • Status: Active Grant
First Claim
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1. A tissue visualization and modification device, comprising:

  • a rigid access body extending along a longitudinal axis between a proximal end and a distal end, the access body comprising an internal passageway extending from the proximal end to the distal end, wherein the access body comprises an access body imaging sensor positioned on the distal end of the access body; and

    an elongated member slidably positioned within the rigid access body, the elongated member comprising, when viewed substantially along the longitudinal axis;

    a dissection electrode in the shape of a semicircle, the dissection electrode configured to remove a tissue,an irrigation channel positioned within the semicircle,a first illumination element positioned adjacent a first tip of the semicircle and a second illumination element positioned adjacent a second tip of the semicircle,an aspiration channel positioned partially within the semicircle and adjacent the irrigation channel, andan elongated member imaging sensor positioned adjacent the aspiration channel,wherein the access body imaging sensor protrudes inward beyond an inner wall of the access body into the internal passageway.

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