Implants for administering substances and methods of producing implants
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United States of America Patent
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Apr 3, 2012
Grant Date -
Jul 28, 2011
app pub date -
Apr 4, 2011
filing date -
Apr 17, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A porous silicon implant impregnated with a beneficial substance, such as a micromineral required for healthy physiology, is implanted subcutaneously and is entirely corroded away over the following months/year to release the micromineral in a controlled manner. In a second embodiment the implant may have a large number of holes which contain beneficial substance and which are closed by bio-errordable doors of different thickness so as to stagger the release of the beneficial substance over time as the doors are breached.
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