Trocar shortening for pediatric vitreoretinal surgery with a 3D printed trocar spacer: Report of two cases

PURPOSETo show the results of a trocar spacer for pediatric vitreoretinal surgery with a 3D printed trocar spacer in 2 cases. METHODSWe used standard 27 gauge (ga) and 25 ga trocars and cannulae, and prototyped 1.5 mm × 3 mm spacers with a Prusa MK3 3D printer (0.4 mm nozzle) with Fuse deposition me...

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Bibliographic Details
Published in:Archivos de la Sociedad Espanola de Oftalmologia 2022, Vol.97 (8), p.473-476
Main Authors: Di-Luciano, A, Gómez-Nuñez, R, Acosta, F, Rivas-Vega, L, Morales-Cantón, V, Trujillo-Alvarez, M, Cernichiaro-Espinosa, L
Format: Report
Language:English
Online Access:Get full text
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Summary:PURPOSETo show the results of a trocar spacer for pediatric vitreoretinal surgery with a 3D printed trocar spacer in 2 cases. METHODSWe used standard 27 gauge (ga) and 25 ga trocars and cannulae, and prototyped 1.5 mm × 3 mm spacers with a Prusa MK3 3D printer (0.4 mm nozzle) with Fuse deposition melting (FDM) technology. Parts were printed with a 50 μm layer height in polylactic acid or polylactide (PLA). The spacer was placed in two places: between the blade's base and the trocar, and between the trocar and the sclera depending on the desired amount of shortening. This prototype was used in 2 vitrectomy cases in pediatric patients. RESULTSWe used this trocar spacer in 2 cases with positive results. CONCLUSIONSThis 3D printed spacer has proved to effectively shorten the introduced trocar into two different small eyes. More studies are needed to validate the efficacy and safety of this spacer in clinical practice.
ISSN:2173-5794
DOI:10.1016/j.oftale.2021.05.003