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Liquid light-guide catheter with optically diverging tip

  • US 9,855,100 B2
  • Filed: 08/22/2016
  • Issued: 01/02/2018
  • Est. Priority Date: 04/02/2008
  • Status: Active Grant
First Claim
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1. A catheter comprising:

  • a sheath having a proximal end, a distal end, a liquid infusion port, and an inner lumen extending from the liquid infusion port to the distal end of the sheath, wherein the inner lumen is configured to receive fluid introduced into the liquid infusion port and, wherein the distal end of the sheath comprises a completely solid tubular wall;

    a diverting tip positioned within the inner lumen, the diverting tip having a proximal end and a distal end, wherein the distal end of the diverting tip is larger than the proximal end of the diverting tip and is configured to divert at least a portion of fluid, wherein the diverting tip is configured to move relative to the sheath; and

    a plurality of optical fibers having a distal end and configured to transmit light within the inner lumen of the sheath, the plurality of optical fibers positioned within the inner lumen of the sheath such that the distal end of the plurality of optical fibers is proximal to the diverting tip.

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