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Microincision Vitrectomy Procedure Using Intrector Technology

Frank H. Koch, MD, PhD; Michael J. Koss, MD, FEBO
Arch Ophthalmol. 2011;129(12):1599-1604. doi:10.1001/archophthalmol.2011.341.
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Published online

Objective To describe the procedure of pars plana vitrectomy (PPV) using an instrument designed for microincision vitrectomy.

Methods In this retrospective, noncomparative, interventional case series, 6 different surgeons performed 4509 PPV procedures from August 1, 2005, through May 31, 2010, with 1-port vitrectomy using a miniaturized multifunction probe (the Intrector).

Results Complications were reported in 20 eyes (0.44%). Culture-positive endophthalmitis occurred in 2 eyes (0.04%), sterile endophthalmitis occurred in 6 eyes (0.13%), intraoperative or postoperative retinal detachment occurred in 4 eyes (0.09%), and vitreous hemorrhage occurred in 8 eyes (0.18%). None of the 20 eyes with complications of 4509 total eyes had worse visual outcomes than preoperative visual acuity.

Conclusion One-port vitrectomy using the Intrector is a procedure that can be used efficiently for selected cases that do not require membrane peeling.

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Figures

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Figure 1. The design of the Intrector, showing the separate infusion and aspiration lines.

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Figure 2. Outer design of the Intrector.

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Figure 3. The battery-powered unit. Infusion and aspiration lines are seen as they are connected and enter the Intrector.

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Figure 4. Surgical procedure with the Intrector. Surgery is guided by an indirect ophthalmoscope displayed on a video monitor.

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