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Catheter with perfusion system

  • US 5,507,795 A
  • Filed: 04/29/1994
  • Issued: 04/16/1996
  • Est. Priority Date: 04/29/1994
  • Status: Expired due to Term
First Claim
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1. An atherectomy catheter comprising:

  • a catheter body having a distal end, a proximal end and a lumen therebetween;

    a housing having a longitudinal axis, a hollow interior, a proximal end affixed to the distal end of the catheter body, a distal end, a perfusion port entry, a perfusion port exit, and an aperture on a lateral side of the housing;

    a work element disposed in the housing;

    a work element connector with a proximal end and a distal end, the connector disposed in the catheter body with the distal end affixed to the work element, the perfusion port entry being proximal the work element, the perfusion port exit being distal the work element; and

    the housing defines at least one passage, the passage being in fluid communication with each perfusion port to facilitate perfusion of fluid through the housing and past the work element.

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