The force pyramid: a spatial analysis of force application during virtual reality brain tumor resection

Authors: Hamed Azarnoush, Samaneh Siar, Robin Sawaya, Gmaan Al Zhrani, Alexander Winkler-Schwartz, Fahad Eid Alotaibi, Abdulgadir Bugdadi, Khalid Bajunaid, Ibrahim Marwa, Abdulrahman Jafar Sabbagh, Rolando F Del Maestro

Publication date: 2015

Journal: Journal of neurosurgery

Publisher: American Association of Neurological Surgeons

Description: Virtual reality simulators allow development of novel methods to analyze neurosurgical performance. The concept of a force pyramid is introduced as a Tier 3 metric with the ability to provide visual and spatial analysis of 3D force application by any instrument used during simulated tumor resection. This study was designed to answer 3 questions: 1) Do study groups have distinct force pyramids? 2) Do handedness and ergonomics influence force pyramid structure? 3) Are force pyramids dependent on the visual and haptic characteristics of simulated tumors?

Using a virtual reality simulator, NeuroVR (formerly NeuroTouch), ultrasonic aspirator force application was continually assessed during resection of simulated brain tumors by neurosurgeons, residents, and medical students. The participants performed simulated resections of 18 simulated brain …

Total citations: 42

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The force pyramid: a spatial analysis of force application during virtual reality brain tumor resection

The force pyramid: a spatial analysis of force application during virtual reality brain tumor resection

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The force pyramid: a spatial analysis of force application during virtual reality brain tumor resection