NDLI: A physiologically valid simulator for training residents to perform an epidural block

Content Provider	IEEE Xplore Digital Library
Author	Hiemenz, L. McDonald, J. Stredney, D. Sessanna, D.
Copyright Year	1996
Description	Author affiliation: Biomed. Eng. Center, Ohio State Univ., Columbus, OH, USA (Hiemenz, L.)
Abstract	Describes the current status of the ongoing development of a virtual simulation system for use in training anesthesiology residents in the technique of delivering an epidural block. The system utilizes real-time graphics, a voice interface, and force-feedback applied to a Crawford needle to simulate a realistic epidural experience. The user sits in front of a SGI workstation and invokes the program through a voice interface. A computer generated image of the back, taken from MRI data, appears on the screen along with an image of the needle. The user places his hands on the physical needle, which is held by a 1 DOF Impulse Engine (developed by Immersion Corporation). As the physical needle is pushed in, the graphical representation of the needle moves in synchrony, and realistic forces are applied by the Impulse Engine to give the user the feel of actually inserting the needle into a patients back. The novice user can get feedback as to the position of the needle by watching an interactive view of the needle in a image showing the axial view of the MRI data of the patient's back. A more advanced user can request instantaneous axial, sagittal, or coronal MRI views of the position of the needle in the MRI data set using vocal commands. The haptic forces are currently being modeled from a combination of the MRI intensity values and expert opinion. Work in progress involves modeling these forces as springs, using the MRI intensity levels and a system of equations to quantitatively define the force for a given needle depth. A series of experiments are being planned to identify the true physiological forces involved in needle insertion. Results from these experiments will be used to develop the system of equations which will drive the force feedback on the simulator.
Starting Page	170
Ending Page	173
File Size	455326
Page Count	4
File Format	PDF
ISBN	0780331311
DOI	10.1109/SBEC.1996.493141
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-03-29
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Needles Magnetic resonance imaging Engines Equations Real time systems Computer graphics Computational modeling Workstations Image generation Feedback
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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