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Wearable ultrafiltration device

  • US 8,137,299 B2
  • Filed: 10/06/2009
  • Issued: 03/20/2012
  • Est. Priority Date: 11/16/2001
  • Status: Expired due to Term
First Claim
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1. A completely wearable ultrafiltration device comprising:

  • a shuttle pump adapted to pump blood from a patient'"'"'s blood vessel;

    an ultrafiltration filter that receives blood from the shuttle pump, the ultrafiltration filter comprising a plurality of hollow fibers each having semi porous walls such that excess fluid from the blood moves through the semi porous walls at a rate determined by a magnitude of pressure within the plurality of hollow fibers, the magnitude of pressure being created by the shuttle pump, the completely wearable ultrafiltration device constructed and configured to operate and remove excess fluid while in various three-dimensional orientations while being worn on a portion of a patient'"'"'s body; and

    a fluid bag that receives the removed excess fluid as the excess fluid drains from the ultrafiltration filter.

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