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Fujitsu : VR Heart Simulator Viewer to Be Utilized in University of Tokyo Lecture

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09/12/2017 | 01:10pm CET

TOKYO, Sept 12, 2017 - (ACN Newswire) - Fujitsu today announces that the University of Tokyo will use heart simulator viewers with stereoscopic displays compatible with virtual reality (VR)(1) technology in an electrocardiogram lecture for third year students in the Faculty of Medicine. This lecture, given by Associate Professor Toshiaki Nakajima of Dokkyo Medical University Heart Center, is scheduled for September 13.

The heart viewer utilizes as content the output data from a heart simulator jointly developed by Fujitsu and University of Tokyo using the K computer(2) as well as a computer cluster. In this lecture, students will be able to see for themselves the complexity of "excitation propagation," a phenomenon whereby electric stimulation from pacemaker cells spreads throughout the heart, with a stereoscopic, 360-degree view utilizing VR, allowing them to understand how electrocardiograms are created through this process. Fujitsu has also prepared simulation models recreating conditions such as cardiac infarction, which also enables students to review the differences in excitation propagation between a normal heart and a diseased heart.

Based on its use in the University of Tokyo's lecture, Fujitsu will proceed with the development of the heart viewer with an aim toward product commercialization within Fujitsu's fiscal 2017 (ending March 31, 2018) for use as a more effective educational tool while contributing to the advancement of medicine.


Figure: Stereoscopic view with a heart viewer


Heart disease is currently one of the leading causes of death in developed nations (number 2 in Japan, number 1 in the US), and many treatment methods and treatment devices are being researched and developed every day.

The heart is one of the most intricate structures in the body, making it difficult to learn about its complex movements and flow of blood from textbooks and other literature. More specifically, it is said that gaining an understanding of the relationship between the waveforms shown on an electrocardiogram and excitation propagation, which medical students learn early in their studies, is particularly problematic. The contractions of the heart caused by the electrical stimulus conveyed from certain pacemaker-type cells that exist in the heart to the heart muscles are displayed in an electrocardiogram in the form of a signal. The electrocardiogram itself is normally represented with a graph. At the same time, textbooks and existing educational materials have not been able to faithfully communicate the propagation process because the electrical signal spreads across cardiac muscle in a complex manner, three dimensionally.

Fujitsu has now made it possible to use the data output from heart simulations that faithfully recreate the behavior of the heart for use as a teaching material. Moreover, by providing a stereoscopic view with VR, this technology supports the efficient teaching of medical students, enabling them to really see such factors as the interrelation between the graph shown on the electrocardiogram and the propagation of electrical signals, and the difference between the behaviors of the heart both in normal times and when diseased.

Lecture Details

1. Date

September 13, 2017 (Wednesday)

2. Location/Class

University of Tokyo Hongo Campus - Electrocardiogram lecture (by Associate Professor Toshiaki Nakajima)

3. Attending students

About 110 Faculty of Medical third-year students

4. Summary

Wearing 3D glasses, students will be able to see a stereoscopic view of the heart simulation models displayed by a projector. The lecturer will manipulate the models for both normal and abnormal states of electrical propagation while giving an explanation with some simple operations, including rotating the models 360-degrees or showing cutaways.

Details of the Heart Simulator

1. Precise 3D Models Generated with the K computer

The heart simulator, developed by Fujitsu and Tokyo University, was generated using the K computer or a PC cluster, based on actual images of hearts taken with MRI and CT scans, accurately simulating the activity of the heart from the muscle cell level. Using the dedicated viewer, which was made as a teaching material, allows one to see the heart simulator's data stereoscopically. As a result, it is now possible to use these 3D models to see not only the internal and external structure of the heart, but also such things as true-to-life heart muscle activity, detailed networks of blood vessels and the flow of blood, as well as the spread of electrical propagation.

2. Capable of Observation from Numerous Perspectives and a Variety of Simulations

Users can observe the 3D models, which realistically reproduce even the interiors of hearts, from a variety of perspectives, including rotating, expanding, and cutting away parts of the model. In addition, Fujitsu has not only prepared models of healthy hearts, but also simulated data of various heart diseases, including myocardial infarction, fatal arrhythmias, and left bundle branch blocks, enabling students to learn by comparing them with the activity of a normal heart.

Future Plans

Fujitsu will continue development of a greater variety of heart simulation models in light of the experience gained from this lecture, with the goal of offering this heart simulator viewer as educational software for sale to educational and medical institutions during fiscal 2017.

(1) Virtual reality

Technology that stimulates the user's senses to create a life-like environment whose functions are essentially the same as the real thing, even though it may have no form or its form may be different.

(2) K computer

A supercomputer and the core system of Japan'sMinistry of Education, Culture, Sports, Science and Technology's High Performance Computing Initiative (HPCI), developed jointly by Fujitsu and RIKEN. When it went into general service in 2012, it had an estimated performance in the 10-petaflops range.

About Fujitsu Ltd

Fujitsu is the leading Japanese information and communication technology (ICT) company, offering a full range of technology products, solutions, and services. Approximately 155,000 Fujitsu people support customers in more than 100 countries. We use our experience and the power of ICT to shape the future of society with our customers. Fujitsu Limited (TSE: 6702) reported consolidated revenues of 4.5 trillion yen (US$40 billion) for the fiscal year ended March 31, 2017. For more information, please see http://www.fujitsu.com.

* Please see this press release, with images, at:



Fujitsu Limited
Public and Investor Relations
Tel: +81-3-6252-2176
URL: www.fujitsu.com/global/news/contacts/

Copyright 2017 JCN Newswire . All rights reserved.

© Japan Corporate News, source JCN Press Releases

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Financials ( JPY)
Sales 2018 4 111 B
EBIT 2018 -
Net income 2018 157 B
Finance 2018 15 549 M
Yield 2018 1,83%
P/E ratio 2018 8,41
P/E ratio 2019 9,62
EV / Sales 2018 0,32x
EV / Sales 2019 0,30x
Capitalization 1 322 B
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