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. 2022 Mar 4;58(3):384. doi: 10.3390/medicina58030384

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Surgical equipment for tubular microendoscopic decompression surgery. (a) Serial tubular dilator and retractor (METRx^®). (b) Flexible arm assembly (METRx^®). (c) Tubular retractor of the SYNCHA^® system. The black arrow indicates the ball link. (d) Scope attachment of the SYNCHA^® system. The black arrow indicates the nozzle for air suction, while the red arrow indicates the nozzle for the irrigation of the endoscope surface. (e) Variation of curved Kerrison rongeur. (f) Curved high-speed drill (Midas Rex^®).