Objective comparison of 4 nonlongitudinal ultrasound modalities regarding efficiency and chatter

David L. Demill, Brian E. Zaugg, Jeff H. Pettey, Jason Jensen, Griffin J. Jardine, Gilbert Wong, Randall J. Olson

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

Purpose: To compare efficiency and chatter of Infiniti Ozil with and without Intelligent Phacoemulsification (IP) and the Signature Ellips with and without FX. Setting: John A. Moran Eye Center, University of Utah, Salt Lake City, Utah, USA. Design: Experimental study. Methods: Brunescent 2.0 mm human lens cubes were created by an instrument devised for this study. Cubes were tested (10 per test) for time of particle removal (efficiency) and for the number of times the lens particle bounced off the tip (chatter) at 300 mm Hg and 550 mm Hg, 50% and 100% power, and 50% and 100% amplitudes (amplitude for Ozil only). Results: Of the ultrasound settings, efficiency varied from a mean of 3.3 seconds ± 1.4 (SD) to 50.4 ± 11.7 seconds and chatter from 0.0 to 52.0 ± 16.7 bounces per run. The Ozil-IP was generally more efficient than the Ozil and the Ellips FX more efficient than the Ellips. At optimized values, the Ozil-IP and Ellips-FX were similar. In general, efficiency and chatter were better at 550 mm Hg and at 50% power. The amplitude effect was complex. Efficiency closely correlated with chatter (Pearson r 2 =.31, P<.0001). Conclusions: Objective comparison of phacoemulsification efficiency and chatter found that optimized Ozil-IP and Ellips-FX were similar in both parameters and in general, both performed better than preceding technology. The study parameters can significantly affect efficiency and chatter, which strongly correlate with each other.

Original languageEnglish (US)
Pages (from-to)1065-1071
Number of pages7
JournalJournal of Cataract and Refractive Surgery
Volume38
Issue number6
DOIs
StatePublished - Jun 1 2012

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Phacoemulsification
Lenses
Research Design
Technology

All Science Journal Classification (ASJC) codes

  • Ophthalmology
  • Sensory Systems
  • Surgery

Cite this

Objective comparison of 4 nonlongitudinal ultrasound modalities regarding efficiency and chatter. / Demill, David L.; Zaugg, Brian E.; Pettey, Jeff H.; Jensen, Jason; Jardine, Griffin J.; Wong, Gilbert; Olson, Randall J.

In: Journal of Cataract and Refractive Surgery, Vol. 38, No. 6, 01.06.2012, p. 1065-1071.

Research output: Contribution to journalArticle

Demill, David L. ; Zaugg, Brian E. ; Pettey, Jeff H. ; Jensen, Jason ; Jardine, Griffin J. ; Wong, Gilbert ; Olson, Randall J. / Objective comparison of 4 nonlongitudinal ultrasound modalities regarding efficiency and chatter. In: Journal of Cataract and Refractive Surgery. 2012 ; Vol. 38, No. 6. pp. 1065-1071.
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