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Drug delivery systems and methods

  • US 9,682,193 B2
  • Filed: 05/11/2016
  • Issued: 06/20/2017
  • Est. Priority Date: 05/11/2015
  • Status: Active Grant
First Claim
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1. A method of delivering a drug to a patient, comprising:

  • inserting a catheter or needle into an intrathecal space of the patient;

    measuring or estimating a natural intrathecal pulsation of the patient using a sensor; and

    with a controller, controlling a pump to coordinate infusion of a drug through the catheter or needle with the measured or estimated natural intrathecal pulsation to override the natural intrathecal pulsation and move the drug cranially within the intrathecal space.

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