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

  • US 6,702,830 B1
  • Filed: 06/09/2000
  • Issued: 03/09/2004
  • Est. Priority Date: 09/17/1999
  • Status: Expired due to Term
First Claim
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1. An over-the-wire material transport catheter comprising:

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

    an impeller rotatably disposed in the lumen of the catheter body, said impeller including a tubular shaft having a central guidewire lumen and a helical rotor extending at least partially over an exterior surface thereof.

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