Thin-walled implant structures and related methods
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United States of America Patent
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May 16, 2017
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app pub date -
Mar 17, 2014
filing date -
Mar 15, 2013
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Abstract
Ceramic implants, such as spinal implants, may comprise a dense shell and a porous core. In some implementations, methods for manufacturing the implants may comprise one or more stages at which the core material abuts the shell so as to form a mechanical attachment therewith while both the core and the shell are in a green state. The core and the shell may be fired together, and the resultant implant may, in some embodiments, comprise a unitary piece of ceramic material. Some embodiments may comprise silicon nitride ceramic materials.
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