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Mechanical pump for removal of fragmented matter and methods of manufacture and use

  • US 8,545,447 B2
  • Filed: 08/20/2012
  • Issued: 10/01/2013
  • Est. Priority Date: 09/17/1999
  • Status: Expired due to Fees
First Claim
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1. Apparatus for transporting material between a target site in a lumen of a body and a location external to the body, the apparatus comprising:

  • an impeller including an elongate flexible tube defining a lumen, a coiled rotor element disposed over an outer surface of the tube, and a jacket securing the coiled rotor element to the outer surface of the tube;

    means for introducing the impeller to the target site; and

    means for rotating the coiled rotor element within the body lumen to advance the material proximally away from the target site.

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  • 7 Assignments
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