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P. Luloh, F. H. J. Koch, R. Josephberg, M. J. Koss; A Single Stick 23 Gauge Portable Injection/Infusion and Aspiration/Vitreous Cutting Instrument - The "Intrector®". Invest. Ophthalmol. Vis. Sci. 2008;49(13):5992. doi: https://doi.org/.
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© ARVO (1962-2015); The Authors (2016-present)
To Introduce a new portable single step 23 gauge vitrectomy device for simultaneous drug delivery/infusion and aspiration /vitreous cutting all in one probe tip.
This instrument has separate drug delivery/infusion and aspiration/vitreous cutting channels which end in one 23 gauge probe tip. Pars plana vitrectomy can thus be performed displacing the conjunctiva through an oblique self-sealing sclerotomy. This vitrectomy requires peribulbar or topical gel anesthesia. Aspiration and Injection are performed by an assistant therefore allowing for anterior, core and central vitrectomy with any desired volume. Illumination of the probe tip can be achieved by the microscope, slit lamp with or without a flat contact lens, or with an indirect ophthalmoscope. The cutting rate is 300 cuts per minute delivered by a compact hand held power source.
By incorporating a core pars plana vitrectomy into the drug injection regimen the need for re-treatment has been drastically reduced.
Various vitreo-retinal procedures, like combined pharmacosurgical procedures for ARMD, DM, or Retinal Venous Occlusions can be conducted in an effective and controlled manner. Other indications for uveitis, endophthalmitis, or a modified gas injection during pneumatic retinopexy are also possible, making a vitrectomy (intrectomy) with the Intrector® a simple office-based, A.S.C., or operating room procedure.
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