DIRECTIONAL CONTROL VALVE FOR USE IN CATARACT SURGERY
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United States of America Patent
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Issued Date -
Jun 23, 2016
app pub date -
Dec 7, 2015
filing date -
Dec 5, 2014
priority date (Note) -
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Abstract
A directional control valve for use in cataract surgery typically includes a valve, body and a valve switch. The valve body includes ports for inflow and outflow of fluid, as well as a hollowed out portion in which a core portion of the valve switch sits. The core portion of the valve switch can be in the form of a circular disc having internal core ports which can be caused to reversibly rotate between a first position and a second position, thereby causing fluid flow to the inflow/outflow ports to be alternately opened and closed, depending on which position the valve switch is turned.
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