Navegando por Palavras-chave "Vitrectomia/instrumentação"

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    Confecção de ponteira de vitrectomia 23-gauge de dupla-porta para cirurgia de vitrectomia posterior
    (Universidade Federal de São Paulo (UNIFESP), 2019-03-28) Takahashi, Vitor Kazuo Lotto [UNIFESP]; Lima, Luiz Henrique Soares Goncalves de [UNIFESP]; http://lattes.cnpq.br/0399713306487727; http://lattes.cnpq.br/6303182759726045; Universidade Federal de São Paulo (UNIFESP)
    Objective: To evaluate the possibility and functionality of making a 23gauge vitrectomy tip with a cutting port located 180 degrees from the original port. Methods: A standard 23gauge vitrectomy tip (UltravitAlcon apparatus, USA) of the Constellation Vision System (Alcon Laboratories, Inc., Fort Worth, TX, USA) was used for customization. A second port was made by high a precision NdYag laser equipment (300W Water Cooled Automatic Laser Welding Machine). To evaluate the functionality of the tip after the second port was made, it was connected to the Constellation Vision System and tested with a microscope. Results: A second port with a horizontal diameter of 0.47 mm and a vertical diameter of 0.33 mm was successfully made after 3 attempts on a 23gauge vitrectomy tip, maintaining the functionality of the internal cutting system. Conclusion: The construction of a 23gauge vitrectomy tip with a functioning double port is feasible and could increase the effectiveness of vitreous removal by decreasing the time of vitreoretinal surgery.