HAPTICS USING TO SIMULATE MEDICAL DIAGNOSES
Outline Introduction Project Summary Review of Previous Work Applicable Patents and Standards Project Description Functional Description System Block Diagram Requirements and Performance Specifications Preliminary Lab Work Initial Design Specifications Present State and Next Steps Equipment and Parts List Schedule of Tasks Questions
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Introduction Growing Industry for Medical Simulations WHY? Cost-Effective Training Increasingly Realistic Environments Graphical Interface/Virtual Reality Force-Feedback Avoid Use of Limited Resources Repetition Project Summary
Model medical applications based on touch.
Provide proper force-feedback. Phantom Omni Haptic Device
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Review of Previous Work Image Generator to Support the Application of a Haptic Device for the Simulation of Arthroscopic Surgery
Renata Zabawa Advisor: Dr. Stewart
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Review of Applicable Patents and Standards Patents 7,206,627: System and method for intra-operative haptic planning of a medical procedure. 7,206,627: System and method for haptic sculpting of physical objects. 6,113,395: Selectable instruments with homing devices for haptic virtual reality medical simulation. Standards ISO/DIS 9241-920: Ergonomics of human-system interaction Guidance on tactile and haptic interactions.
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Project Description Functional Description
Phase 1
Virtual environment in C++ programming language Force-feedback on system.
Phase 2
Initial graphics applied in OpenGL programming language Integrate virtual environment created from Phase 1
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Project Description System Block Diagram
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Project Description Requirements and Performance Specifications
Subsystem Requirements Performance Specifications
C++ Programming
Shape definition
Successful user interaction.
Graphics Interface
3D imaging structure applied to shapes
Visually recognize graphics.
User Interface
Hand-hold haptic device.
Maximum spatial limits of device.
Virtual Object Created.
User-applied pressure
User between differentiates soft/hard surfaces and hollow/solid surfaces.
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Project Description Datasheet
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Preliminary Lab Work
Research: Specific device programming commands. Sample programs provided with device, understanding user interaction and device responses. Initial Design Specifications: Medical Application Two Layers
Layer Matter Consistency Programming Approach Visual
Outer Sphere Inner Sphere
Soft, expanding. Sphere Stiffness < 0.15
Hard, firm
Sphere Stiffness > 0.25
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Preliminary Lab Work Completed: Programming of plane orientation. Programming of two physically distinguishable layers. In Process: o Break down graphics programming. o Apply plane layers to virtual spheres. Next Steps: Create multiple surfaced objects underneath even plane
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Equipment Parts List Haptic Device: PHANTOM OmniTM
Software: Microsoft Visual C++ Language
USING HAPTICS TO SIMULATE MEDICAL DIAGNOSES
Schedule of Tasks
Lab Time
January 23 January 25 January 28 February 8
Project Goals
Re-establish virtual environment created in December. Complete graphics for sphere layers. (2 weeks)
February 11 February 22 Program plane layer over multiple surfaces. (2 weeks)...