Modeling haptic interactions in endoscopic submucosal dissection (ESD)

Türkseven, Melih and De, Suvranu and Jackson, Cullen D. and Sawhney, Mandeep S. (2022) Modeling haptic interactions in endoscopic submucosal dissection (ESD). IEEE Transactions on Haptics . ISSN 1939-1412 (Print) 2329-4051 (Online) Published Online First

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The ability to provide realistic haptic feedback is indispensable for virtual-reality (VR) based endoscopic colorectal surgery simulators. Despite its importance, force feedback is commonly simulated by simplified approximations with parameters manually tuned in preliminary evaluations due to the complexity of the dynamics of haptic interaction in colonoscopy interventions. Endoscopic submucosal dissection (ESD) is a particularly challenging intervention that requires advanced manual skills for endoscopic control. This work proposes a mechanical impedance model for haptic interactions in ESD formulated via an experimental methodology applied to endoscopic colorectal interventions in general. The developed model is shown to capture the variations in the interaction force during two operations performed at distinct locations on a porcine sample. Salient cues in the recorded haptic interaction data are presented, and changes in the impedance characteristics of the tool-tissue interaction between the steps of the operation are analyzed.
Item Type: Article
Uncontrolled Keywords: Colon; colorectal intervention; dynamic model identification; Electrostatic discharges; Endoscopes; Force; Haptic interfaces; haptics; Load modeling; modelling; Surgery; surgical training
Divisions: Faculty of Engineering and Natural Sciences
Depositing User: Melih Türkseven
Date Deposited: 04 Sep 2022 13:48
Last Modified: 04 Sep 2022 13:48

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