18-04-2011, 10:43 AM
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INTRODUCTION TO VIRTUAL REALITY
Virtual reality is defined as human computer interface .
Virtual reality is just beginning to come to that level where we can begin using Simulators in Medicine the way that the Aviation industry has been using it for the past 50 Years — to avoid errors.
Virtual reality technique is in its early stages, but is used commercially, globally.
There are 61,400 international commercial companies producing Virtual reality technique .
While Virtual reality technique is at an early stage, it is used educationally throughout the world.
There are approximately 3,600 educational institutions which use Virtual reality technique.
VIRTUAL REALITY IN AVIATION
National Aeronautics and Space Administration (NASA) use VR technology to construct a model of the HST.
Approximately 100 members of the NASA flight team received over 200 hours of training using the VR.
United States: The military used it as flight simulators to train pilots.
ADVANTAGES OF VIRTUAL REALITY
Interaction with the environment.
User interface: user can see and even feel the shaped surface under his/her fingertips.
Flight simulators and games.
Biomedical Engineering use virtual reality for viewing of X-RAY's and MRI‘s.
VIRTUAL REALITY IN SURGERY?
A Virtual Reality Technique of simulating surgery procedure
The simulator surgery results can be evaluated before the surgery is carried out on real patient
The surgeon can view the anatomy from wide range of angles
In surgery, the life of the patient is of utmost importance and surgeon cannot experiment on the patient body.
Virtual Reality provide a good tool to experiment the various complications arise during surgery.
Virtual reality application in surgery can be divided as follows:
Training and Education.
Surgical Planning
TRAINING AND EDUCATION
Allow users to view the anatomy from a wide range of angles.
Examine bodies from inside.
Perform a procedure countless times.
Training methods in medical schools.
• It is interactive.
• An instructor presence is not necessary.
• Changes can be made during demonstration
• Simulated positions can be recorded.
• Students could also try different techniques.
SURGICAL PLANNING
Reduces errors, saves life
Can serve as useful surgical planning techniques.
CT and MRI scans enabled with 3D reconstruction.
PHANTOM DESKTOP 3D TOUCH SYSTEM- A HAPTIC INTERFACER
FEATUARS OF PHANTOM DESKTOP 3D TOUCH SYSTEM
Supports a workspace of 6*5*5 inch
Senses the position to PC.
Incorporated into desktop display by Reach ln Technologies.
GHOST software packages
ADVANTAGES OF VIRTUAL REALITY IN SURGICAL FIELD
Minimizes the number of medical ‘mistakes’.
Reduces the long length of hospital stays and rest of postoperative complications.
Better training in anatomy and surgical skill
Reduced need for cadavers.
CONCLUSION
The benefits of VR systems in medicines have clearly been established in several areas
Including improved training
Better access to services
Increase cost effectiveness
Accuracy in performing certain conventional surgical procedures.