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Cerebrospinal fluid purification system

  • US 10,398,884 B2
  • Filed: 01/19/2017
  • Issued: 09/03/2019
  • Est. Priority Date: 10/09/2006
  • Status: Active Grant
First Claim
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1. A method for ameliorating a symptom of meningitis in a patient, said method comprising:

  • selecting a patient having a symptom of meningitis;

    removing cerebrospinal fluid from a first location in a lumbar cerebrospinal fluid space of the patient;

    removing at a flow rate a causative agent from the removed cerebrospinal fluid, thereby conditioning the cerebrospinal fluid; and

    returning the conditioned cerebrospinal fluid to the patient at a second location in a cervical cerebrospinal fluid space, a thoracic cerebrospinal fluid space, or a ventricle of the patient, wherein the cerebrospinal fluid is returned to the patient at substantially the same flow rate at which it is removed;

    wherein the removing and returning steps are performed concurrently using one or more catheters, each catheter comprising one or more lumens.

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