A New Non-trocar System for 25-gauge Transconjunctival Pars Plana Vitrectomy - 18/08/11
, Takasumi Shimamoto, MD a, Toru Yasuhara, MD a, Hideki Komori, MD a, Hideo Oda b, Shigeru Kinoshita, MD a
Inquiries to Mamoru Tei, MD, Department of Ophthalmology, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyou-ku, Kyoto, 602-0841 Japan; Fax: (+81) 75-251-5663;Résumé |
Purpose |
To introduce a new non-trocar system for 25-gauge transconjunctival pars plana vitrectomy (PPV).
Design |
Study of a new surgical instrument.
Methods |
This new non-trocar system for 25-gauge transconjunctival PPV consists of a contact lens ring featuring four projections containing 1.0-mm diameter holes located 3.0 mm from the ring edge, a wedge-shaped 25-gauge infusion cannula, and two plugs.
Results |
The ring is fixed with 7-0 silk sutures at the 3- and 9-o’clock positions on the limbus. Using the 25-gauge needle, three conjunctival and scleral incisions (n = 3) are made at the projection holes located inferotemporally, superonasally, and superotemporally. No intra- or postoperative complications were encountered in 14 patients treated by this non-trocar 25-gauge transconjunctival PPV.
Conclusion |
Using the system introduced here, 25-gauge transconjunctival PPV can be performed without suturing sclerotomies and without intra- or postoperative complications.
Le texte complet de cet article est disponible en PDF.| Mr. Oda is employed by NIDEK Corporation, Gamagori, Japan, the manufacturer of the nontrocar system for 25-gauge pars plana vitrectromy. |
Vol 139 - N° 6
P. 1130-1133 - juin 2005 Retour au numéro
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