Method of producing porous metal surface
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United States of America Patent
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Sep 21, 1993
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N/A
app pub date -
Feb 28, 1992
filing date -
Apr 20, 1990
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Abstract
A porous surface is selectively formed on a workpiece such as a medical implant by pulsing a laser device in a controlled manner to produce a plurality of small, spaced-apart cavities of uniform or variable depth. The porous surface provides a mechanical grip with bone cement as well as a medium for bone and tissue ingrowth.
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