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Implantable medical device header

  • US 9,345,185 B2
  • Filed: 11/14/2012
  • Issued: 05/17/2016
  • Est. Priority Date: 11/14/2012
  • Status: Active Grant
First Claim
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1. A method of forming a header for an implantable medical device, the method comprising:

  • positioning a pre-molding assembly within a first-shot mold, wherein the pre-molding assembly comprises an antenna, an electrode, and an attachment plate, and wherein the first-shot mold defines at least one divot; and

    creating a first-shot assembly by introducing a first shot molding material into the first-shot mold, wherein the first-shot assembly comprises the pre-molding assembly at least partially covered by the first-shot molding material, wherein the first-shot assembly comprises at least one protrusion of the first shot molding material extending from a surface of the first-shot assembly and formed by introduction of the first shot molding material into the at least one divot of the first-shot mold,wherein the at least one protrusion extends from a surface of the first-shot assembly opposite the electrode, wherein the at least one protrusion is configured to engage with a wall of a second-shot mold to substantially prevent coverage of the electrode during injection of a second shot molding material into the second-shot mold.

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