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Medical devices for releasing therapeutic agent and methods of making the same

  • US 8,703,168 B2
  • Filed: 04/25/2008
  • Issued: 04/22/2014
  • Est. Priority Date: 04/25/2007
  • Status: Expired due to Fees
First Claim
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1. A method for making an implantable medical device for releasing therapeutic agent, comprising:

  • providing a medical device body;

    positioning a plurality of reservoir-defining structures on a surface of the body to form at least one reservoir defined by the reservoir-defining structures;

    loading therapeutic agent into the reservoir; and

    moving a portion of at least one of the plurality of reservoir-defining structures from a first position to a second position so as to cover the reservoir almost completely such that an opening exists for the reservoir so that the therapeutic agent is released when the medical device is implanted,wherein the portion of the at least one of the plurality of reservoir-defining structures is moved after the therapeutic agent is loaded.

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