The Virtual Hospital: Procedure Simulators Increase Patient Safety &Training Efficiency Pat Youngblood, PhD Director of Evaluation SUMMIT - Stanford University Medical Media & Information Technologies Stanford University School of Medicine
Dec 16, 2015
The Virtual Hospital: Procedure Simulators Increase Patient Safety &Training Efficiency
Pat Youngblood, PhDDirector of EvaluationSUMMIT - Stanford University Medical Media & Information TechnologiesStanford University School of Medicine
LapSim Basic Skills http://surgical-science.com
camera & instrument navigation; coordination; grasping; lifting, grasping & transfer; cutting, clip applying; suturing; precision & speed
Hysteroscopy Trainer –3rd generation system (2003)
Tasks • cannulation Skills • advance (endoscope) through endocervical canal
• exploration (Visual & • navigate, visualize endometrial cavity,Haptic) identify & palpate lesion
• resection (myoma) • hold endoscope proximally, extend loop distally, contact lesion, activate diathermy, retract loop to excise: repeat –
Metrics– % of the myoma resected– # perforations mechanical electrosurgical– timesec
Metrics– % of the myoma resected– # perforations mechanical electrosurgical– timesec
Learning Radiology in Simulated Environments*
• Develop a computer simulator for radiography• Determine how training in a “virtual”
environment affects learning
Terry S. Desser MD Parvati Dev PhD
Pat Youngblood PhDRobert Cheng, MS
Garry E. Gold MD, MSEE
Jan Ahlqvist DDS, PhDLars-Olof Häll
Leif Hedman PhDTor SöderströmPhD Magnus
Johansson Tore Nilsson DDS
*Sponsored by the
The Simulated Environment
• Designed as ceiling-mounted X-ray machine with point source of simulated X-rays
• “Detector” modeled as rectangular plane
• Virtual patient from real patient data
The Virtual Patient
– High resolution CT dataset of cervical spine– FOV 25 cm; Slice thickness 2.5 mm– Surface reconstruction: Amira 4.0 – Display: Transparent torso, visible skeleton
• Real-time computer simulation of radiography is feasible
• Can provide realistic practice for students without exposing patients or students to unnecessary radiation
• Future applications:GI radiology, angiography
Conclusion: Virtual Radiography