Implantable medical device and method for laser processing
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United States of America Patent
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Sep 12, 2017
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Jun 30, 2014
filing date -
Jun 28, 2013
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Abstract
Various methods for laser welding biocompatible material for use in implantable medical devices are disclosed. A method for laser processing includes applying a laser beam to a biocompatible material comprising at least 85% by weight zirconium oxide (ZrO2) or “zirconia” in an oxygen-free environment and depleting the material of oxygen. The depletion of oxygen converts the zirconium oxide to elemental zirconium at an interface where the material is applied to the elemental zirconium. In one embodiment, the present invention provides for an implantable medical device or component thereof made of a biocompatible material comprising zirconium oxide. The device includes a substrate that has an intrinsic conductive pathway comprising elemental zirconium that extends from a first surface to a second surface of the substrate.
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