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Systems and methods for moving and circulating fluid to treat Alzheimer's disease

  • US 9,919,138 B2
  • Filed: 08/01/2016
  • Issued: 03/20/2018
  • Est. Priority Date: 10/01/2013
  • Status: Active Grant
First Claim
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1. A system for treating a neurodegenerative disorder of a patient, the system comprising:

  • an implantable pump;

    an inlet catheter in fluid communication with a biological source of cerebrospinal fluid and the implantable pump;

    a filter in fluid communication with the implantable pump, the filter configured to block deleterious particles in the cerebrospinal fluid from the biological source of cerebrospinal fluid associated with the neurodegenerative disorder;

    a return catheter in fluid communication with the filter and a different area in the biological source of cerebrospinal fluid; and

    a reservoir in fluid communication with the filter, the reservoir configured to hold a fluid configured to wash the filter,wherein the implantable pump is configured to pump the cerebrospinal fluid from the biological source of cerebrospinal fluid through the inlet catheter, through the filter to form filtered cerebrospinal fluid, and through the return catheter such that the filtered cerebrospinal fluid returns to the different area in the biological source of cerebrospinal fluid, andwherein the fluid contained in the reservoir may wash the deleterious particles off of the filter and transport the deleterious particles through an outlet catheter such that the deleterious particles enter a stomach or bladder of the patient through the outlet catheter.

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