Computer controlled smart phacoemulsification method and apparatus
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United States of America Patent
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Nov 3, 1992
Grant Date -
N/A
app pub date -
Jan 3, 1991
filing date -
Jan 3, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for operating on the human eye detects changes in load on the transducer and controls aspiration based on the load changes. A change from a lower load to a higher load indicates that harder tissue is being encountered and accordingly causes aspiration amount to increase. Conversely, a change from a higher load to a lower load indicates that aspiration amount should be quickly decreased since the tissue which is being encountered is softer.
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