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Method of a pharmaceutical delivery system for use within a joint replacement

  • US 8,685,106 B2
  • Filed: 03/01/2012
  • Issued: 04/01/2014
  • Est. Priority Date: 11/15/2011
  • Status: Active Grant
First Claim
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1. A drug delivery system for the sustained administration of a pharmaceutical into a joint replacement at a controlled rate to produce a beneficial response, said device comprising:

  • a. a body comprising at least one portion of pharmaceutical mixed with at least one portion of polymer;

    b. a joint replacement is drilled to cause an opening to accommodate said body;

    c. wherein said body is placed inside said opening without interfering with said joint replacement'"'"'s normal operation;

    d. a membrane sealing said body within said opening;

    e. wherein said membrane is comprised of a material which allows for said pharmaceutical to diffuse across said membrane;

    f. wherein said material further determines the diffusion rate of said pharmaceutical crossing said membrane, wherein said pharmaceutical is an antibiotic, wherein said joint replacement is a hip replacement, wherein said body is further held within said opening with a press fit.

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