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Pubmed for Handhelds

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  • Title: Improved haptic interface for colonoscopy simulation.
    Author: Woo HS, Kim WS, Ahn W, Lee DY, Yi SY.
    Journal: Annu Int Conf IEEE Eng Med Biol Soc; 2007; 2007():1253-6. PubMed ID: 18002190.
    Abstract:
    This paper presents an improved haptic interface of the KAIST-Ewha colonoscopy simulator II. The haptic interface enables the distal portion of the colonoscope to be freely bent while guaranteeing enough workspace and reflective forces for colonoscopy simulation. Its force-torque sensor measures profiles of the user. Manipulation of the colonoscope tip is monitored by four deflection sensors, and triggers computation to render accurate graphic images corresponding to the angle knob rotation. Tack switches are attached on the valve-actuation buttons of the colonoscope to simulate air-injection or suction, and the corresponding deformation of the colon.
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