May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
20, 23 and 25 Gauge Vitreous Cutters: Performance and Characteristics Evaluation
Author Affiliations & Notes
  • J. Hubschman
    Retina, Jules Stein Eye Institute, Los Angeles, California
    Center for Surgical and Interventional Technology, Los Angeles, California
  • S. Reddy
    Retina, Jules Stein Eye Institute, Los Angeles, California
  • S. D. Schwartz
    Retina, Jules Stein Eye Institute, Los Angeles, California
    Center for Surgical and Interventional Technology, Los Angeles, California
  • Footnotes
    Commercial Relationships  J. Hubschman, DORC company, P; S. Reddy, None; S.D. Schwartz, Bausch and Lomb, C.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 5983. doi:https://doi.org/
  • Views
  • Share
  • Tools
    • Alerts
      ×
      This feature is available to authenticated users only.
      Sign In or Create an Account ×
    • Get Citation

      J. Hubschman, S. Reddy, S. D. Schwartz; 20, 23 and 25 Gauge Vitreous Cutters: Performance and Characteristics Evaluation. Invest. Ophthalmol. Vis. Sci. 2008;49(13):5983. doi: https://doi.org/.

      Download citation file:


      © ARVO (1962-2015); The Authors (2016-present)

      ×
  • Supplements
Abstract

Purpose: : Performance evaluation of seven available vitreous cutters by measuring and comparing the flow rate, duty cycle and mechanical features.

Methods: : Seven vitreous cutters were tested. For each probe, a total of 26 aspiration tests were performed in high and low viscosity environments. High frame rate camera was used to measure the closing time and to assess the duty cycle of each probe at different settings.The shaft stiffness was calculated for each of the 7 probes by measuring the displacement of the tip under a known constant force applied at the tip and at the working fulcrum. All the probes were then dissected and the internal lumen diameters were measured.

Results: : Highly significant differences in flow rates and duty cycles were observed between the three different gauge groups (25, 23 and 20 gauge vitreous cutter) and also within each gauge group. Internal lumen diameters and probe stiffness characteristics are presented.

Keywords: vitreoretinal surgery • vitreous 
×
×

This PDF is available to Subscribers Only

Sign in or purchase a subscription to access this content. ×

You must be signed into an individual account to use this feature.

×