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Wearable ultrafiltration devices methods and systems

  • US 10,456,515 B2
  • Filed: 08/08/2018
  • Issued: 10/29/2019
  • Est. Priority Date: 06/06/2016
  • Status: Active Grant
First Claim
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1. A wearable ultrafiltration apparatus, comprising:

  • a first ultrafilter for filtering a patient'"'"'s blood along a first fluid path;

    a second ultrafilter for filtering the patient'"'"'s blood along a second fluid path; and

    a valve being positionable in a first position for directing the patient'"'"'s blood along the first fluid path and being positionable in a second position for directing the patient'"'"'s blood along the second fluid path;

    wherein when the valve is in the first position, blood flows along the first fluid path and is prevented from flowing along the second fluid path and when the valve is in the second position, blood flows along the second fluid path and is prevented from flowing along the first fluid path;

    wherein when the valve is in the first position, the second ultrafilter is idle and capable of being serviced or replaced, and when the valve is in the second position, the first ultrafilter is idle and capable of being serviced or replaced; and

    wherein the valve includes a rod including a handle attached thereto for rotating the rod from the first position to the second position, wherein the rod includes a first edge positioned in a first orientation when the rod is in the first position, the first edge directing the patient'"'"'s blood to the first ultrafilter along the first fluid path, and wherein when the rod is in the second position the first edge is positioned in a second orientation for directing the patient'"'"'s blood to the second ultrafilter along the second fluid path.

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