Computer controlled smart phacoemulsification method and apparat

Details Computer controlled smart phacoemulsification method and apparat Computer controlled smart phacoemulsification method and apparat

1991-01-03

1992-11-03

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

With means for cutting, scarifying, or vibrating tissue

128 24AA, 606107, A61B 1770

Patent

active

051603179

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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