Fluid-flow cassette for an ophthalmic surgical instrument
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United States of America Patent
Stats
-
N/A
Issued Date -
Jun 2, 2005
app pub date -
Jun 7, 2004
filing date -
Jun 6, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A cartridge or cassette adapted to be attached to an apparatus for controlling the flow of fluid to and from a surgical handpiece. The cassette includes irrigation and aspiration fluid-flow paths and consisting of interconnected tubing having inlet and outlet port's associated with the case of the cassette that are accessible for attachment to fluid and vacuum sources. The rear cover of the case includes cutouts enabling the cassette to be releasably and registerably attached to a surgical instrument. A sensor on the instrument engages a portion of the cassette to verify that the cassette is correctly positioned and is appropriate for use with the instrument. Locking means on the instrument releasably engage the cassette in position. Irrigation fluid may be redirected into the aspiration channel of the handpiece in response to a reflux signal.
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Family
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