Bürki Trocar Systems 23 G & 25 G; 3 Trocars, 1 Template, 1 special Forceps, 1 infusion Terminal; Scleral- or MVR-blade, silicon valve or optionally metal plug

Clinical use; trans pars plana vitrectomy

Vitrectomy is a microsurgical procedure in ocular surgery in which specialized instruments and techniques are used to treat vitreoretinal disorders. The initial step in this procedure is usually the placement of ports through very small incisions in the eye wall to the vitreous chamber (sclerotomy). Usually three ports are placed in this way: One for infusion, one for high intensity fi beroptic light sources to illuminate the vitreous chamber during surgery, and one for microsurgical instruments. The removal of the vitreous gel is achieved by miniature handheld cutting devices (vitrectomy probes), and by replacing the vitreous gel with special saline solutions.

Although vitrectomy procedures are sometimes performed through incisions made near the front of the eye, most vitreoretinal surgeons enter the eye ball through an incision in the area of the “pars plana” (see fi gures below). This is an area of the ciliar body, which is divisible into two parts: the pars plana and the pars plicata anteriorly. The pars plana area is adjacent to the end of the retina and lacks of big vessels. Entering the eye through this location avoids damage to the retina and the lens.

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