Fig. 1From: Ultra-thin Rigid diagnostic and therapeutic arthroscopy during arthrocentesis: Development and preliminary clinical findingsChung’s needle has 66.20 mm of total length (1), 43.50 mm of available length (2), 1.65 mm of exteranl diameter (3), and 8.30 mm of irrigation port (4). The ultra-thin rigid arthroscopy (Endostar-Nanoscopy System (Hanseo Medics Co., Ltd., Seoul, Korea)) consists of 167 mm of total length (b), 57.5 mm of available length (a), a 0.8 mm diameter fiber optic nanoscope (c)Back to article page