Vacuum control method for surgical hand piece

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United States of America Patent

PATENT NO 9878075
SERIAL NO

13709752

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Abstract

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A surgical hand piece is described that maintains a vacuum pressure within the hand piece at a selected level. A check valve is provided substantially near an inlet of an integrated aspirating pump. The check valve opens to introduce fluid into the hand piece to maintain the vacuum pressure within the hand piece at or above the selected level so as to prevent or substantially reduce post-occlusion flow.

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Patent Owner(s)

Patent OwnerAddress
ALCON INC1701 FRIBOURG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boukhny, Mikhail Laguna Niguel, US 117 6871
Bourne, John Morgan Irvine, US 21 416
Sussman, Glenn Robert Laguna Niguel, US 23 208

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