The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2013
Filed:
Jul. 08, 2011
Raphael Gordon, Ladera Ranch, CA (US);
Ahmad Salehi, Irvine, CA (US);
Dan Teodorescu, Fountain Valley, CA (US);
Raphael Gordon, Ladera Ranch, CA (US);
Ahmad Salehi, Irvine, CA (US);
Dan Teodorescu, Fountain Valley, CA (US);
Alcon Research, Ltd., Fort Worth, TX (US);
Abstract
The present invention comprises a method of operating an ophthalmic surgical hand piece, providing a series of power pulses to the hand piece, each of the series of power pulses having a first portion that produces torsional movement of a cutting tip and a second portion that produces longitudinal movement of the cutting tip; measuring vacuum pressure; altering the duration of the first portion as vacuum pressure increases; and altering the duration of the second portion as vacuum pressure increases.