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TISSUE REMOVAL DEVICES, SYSTEMS AND METHODS

  • US 20150306286A1
  • Filed: 04/26/2013
  • Published: 10/29/2015
  • Est. Priority Date: 01/07/2009
  • Status: Active Grant
First Claim
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1. A tissue removal device, comprising:

  • a housing;

    a rigid aspiration cannula extending from the housing to a distal tip outside the housing, the distal tip having a distal opening;

    a valve disposed in the housing, the valve comprising a valve port communicating with the aspiration cannula in a fluid-sealed manner;

    an aspiration line communicating with the valve and passing through the housing of the tissue removal device to provide a fluid connection between the aspiration cannula and a collection receptacle comprising a canister interior, an aspiration inlet communicating with the aspiration line and the cassette interior, and a vacuum outlet communicating with the cassette interior and configured for communication with a vacuum source, wherein the vacuum source creates a vacuum in a fluid circuit comprising the collection receptacle, the aspiration line, and the aspiration cannula, the valve being controlled to open and close to provide a pulsed vacuum.

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