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Systems and methods for sustained medical infusion and devices related thereto

  • US 20110172603A1
  • Filed: 03/16/2011
  • Published: 07/14/2011
  • Est. Priority Date: 11/07/2005
  • Status: Active Grant
First Claim
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1. A medical device for delivering therapeutic fluid to a body of a patient, the device comprising:

  • a reusable unit comprising;

    a controller, anda first portion of a fluid transfer system;

    a disposable unit comprising;

    a reservoir for holding the therapeutic fluid,a second portion of the fluid transfer system,an exit port, anda cradle for releasably receiving the reusable unit; and

    a cannula unit comprising;

    a cannula for insertion into the body of the patient, anda penetrating needle fitted to the cannula and configured to be removed from the cannula after insertion of the cannula into the body;

    wherein;

    upon coupling the reusable unit and the disposable unit, the first portion of the fluid transfer system operatively couples to the second portion of the fluid transfer system, enabling transfer of the therapeutic fluid from the reservoir to the exit port, andupon coupling the cannula unit and the disposable unit, and insertion of the cannula into the body of the patient, fluid communication is established from the exit port to the body, via the cannula.

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