Multi-material single-piece actuator member for miniature reciprocating piston pump in medical applications
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jul 14, 2011
app pub date -
Jan 8, 2010
filing date -
Jan 8, 2010
priority date (Note) -
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Abstract
An implantable medical device including a two piece actuator member which comprises a monocrystaline piston and a magnetizable pole. The monocrystalline piston is positioned within a piston channel having a surface having a titanium-oxide layer. The monocrystalline piston is selectively movable within the piston bore to permit intake and output of fluids.
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