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Performance analysis of a new hypersonic vitrector system

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  • Paulo Eduardo Stanga
  • Salvador Pastor-Idoate
  • Isaac Zambrano
  • Paul Carlin
  • David McLeod

Abstract

Purpose: To evaluate porcine vitreous flow and water flow rates in a new prototype hypersonic vitrectomy system compared to currently available pneumatic guillotine vitrectors (GVs) systems. Methods: Two vitrectors were tested, a prototype, ultrasound-powered, hypersonic vitrector (HV) and a GV. Porcine vitreous was obtained within 12 to 24 h of sacrifice and kept at 4°C. A vial of vitreous or water was placed on a precision balance and its weight measured before and after the use of each vitrector. Test parameters included changes in aspiration levels, vitrector gauge, cut rates for GVs, % ultrasound (US) power for HVs, and port size for HVs. Data was analysed using linear regression and t-tests. Results: There was no difference in the total average mean water flow between the 25-gauge GV and the 25-gauge HV (t-test: P = 0.363); however, 25-gauge GV was superior (t-test: P

Suggested Citation

  • Paulo Eduardo Stanga & Salvador Pastor-Idoate & Isaac Zambrano & Paul Carlin & David McLeod, 2017. "Performance analysis of a new hypersonic vitrector system," PLOS ONE, Public Library of Science, vol. 12(6), pages 1-15, June.
    • Handle: RePEc:plo:pone00:0178462
    DOI: 10.1371/journal.pone.0178462
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