Abstract
A novel detachable bronchoscope with a 3D printed micro-transmission is investigated. The micro-transmission controls the motion of the tip of the bronchoscope and is embedded in one end of the flexible insertion section of the bronchoscope. The micro-transmission allows manipulation of the distal end through the translation of guide nuts that are connected to the tip of the bronchoscope through so-called “angulation” wires. The displacement of the guide nuts on the left and right-handed screw sections and the control of the distal end of the bronchoscope are investigated. The maximum tensile force on the angulation wire before failure is determined experimentally for different screw pitches.
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