1. Knee Brace with Feedback Group Members: Craig Greiner, Zack Mason, Jason Woods Mentor: Dr. George Stetten Presented by Richard Stoner Senior Design Update January 25 th, 2005

2. Senior Design Update Knee Brace with Feedback Project Description Problem: Vague interpretation of flexion angle in knee after surgical procedure and during rehabilitation Solution: Portable digital goniometer, integrated into a soft brace with a digital output

3. Senior Design Update Knee Brace with Feedback Current Design

4. Senior Design Update Knee Brace with Feedback Project Status Document Control is current Initial prototype design completed 3D model of knee acquired Suppliers located for components Parts have been placed on order

5. Senior Design Update Knee Brace with Feedback Upcoming Problems Potentiometer that meets the specifications of the PDS? Or other analogous measuring device, such as an optical encoder? Battery packaging and effective life-span? Flexibility along the non-functional axes of the machine?

6. Senior Design Update Knee Brace with Feedback Personal Focus Initial idea and development Solidworks modeling Patent review Design integration and overview – Fit and range of motion – Electronic capability – Feedback methods Scheduling

7. Senior Design Update Knee Brace with Feedback Personal Achievements Created first complete model Located specific components – Bearings – Batteries – PCB Fabrication Document Control Management

8. Senior Design Update Knee Brace with Feedback Work-To-Do Find a supplier for ball bearings Locate a suitable potentiometer Investigate flexible plastics/polymers Test and help redesign prototype

9. Senior Design Update Knee Brace with Feedback Questions?