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Upper Extremity Exerciser & Nazareth PT Layout Redesign

Upper Extremity Exerciser & Nazareth PT Layout Redesign. James Letts – Team Leader Eduardo Borges - ISE Dennis Bradford - ME Daniel Kelly - ME Renzo Salazar Najar - ISE Chris Reed – ISE Julie Watkins – ME Mark Perkins – ME Dr. DeBartolo – Guide Dr. Marshall - Guide. Two Parts:.

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Upper Extremity Exerciser & Nazareth PT Layout Redesign

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  1. Upper Extremity Exerciser& Nazareth PT Layout Redesign James Letts – Team Leader Eduardo Borges - ISE Dennis Bradford - ME Daniel Kelly - ME Renzo Salazar Najar - ISE Chris Reed – ISE Julie Watkins – ME Mark Perkins – ME Dr. DeBartolo – Guide Dr. Marshall - Guide

  2. Two Parts: • Upper Extremity Exerciser • Physical Therapy Dept. Layout Redesign • Also – Ramp/Platform mobility improvement

  3. Upper Extremity Exerciser • Background Information: • This project is sponsored by the NSF and completed for the Nazareth Physical Therapy Dept. • Studies show that patients who have lost the use of an extremity due to neurological trauma may regain some functional control of that extremity through repetitive motion.

  4. Upper Extremity Exerciser • Objective: • Design, build, and test a device to assist patient with movement of upper extremity. • Create assistance to raise the arm in front of the body while creating resistance to lowering the arm

  5. Device Description • Acrylic beam guides motion • Bungee cord with ratchet provides adjustable force • Backpack frame provides stability and base for vertical and horizontal adjustment

  6. Upper Extremity Exerciser cont. • Customer Needs: • Safety • Adjustability • Economical • Ease of Use • Assists natural arm movement

  7. Design Specifications

  8. Design Progression – Original Concept to Current Design • Guides to prevent beam twist • Relocation of ratcheting device • Simplifies design • Surgical tubing vs. bungee cord • FMEA, friction • Device-to-extremity interface • Attachment specified by customer Original Concept Sketch

  9. Current state of design • Re-examine bungee cord elongation vs. force • Beam deflection optimization • Durability issues with acrylic • Life cycle testing

  10. Schedule for Senior Design 2 • Beam and Cord testing – March 23rd • Fabricate end bracket – March 28th • Complete device assy. – April 6th • Instruction Manual – April 13th • Evaluate/Modify Prototype – April 26th • Complete prototype and final testing – May 16th

  11. Facility Background • Instructional non-profitable physical therapy facility that attends patients recovering from strokes or other similar chronic health problems. • Group and individual appointments. • Neurological and orthopaedic clinic.

  12. Existing Layout

  13. Related Issues • Limited free space for therapy. • New equipment introduction. • Therapy devices are often blocked by patients at other devices. • Equipment presents unsafe obstacles. • Unnecessary equipment.

  14. Examples of Issues Therapist Must step over treadmill Exercise bike cannot be used

  15. Unnecessary items • Conference table • 2 Copiers • TV • Fridge • File cabinets • Coffee maker • Microwave • Mat • 2 Mirrors • Pedal bike • Mount with canes and walkers • Linens shelves • Treadmill • Trampoline • Screens • Chalkboard • Tumble forms (3 remaining). • One board. • 6 chairs.

  16. Facility redesign • Action items for facility • Redesign floor layout • Flow analysis • Remove unnecessary items • Include new equipment • 5s • Sort, Straighten, Shine, Standardize, Sustain • Maximize free space for therapy.

  17. Monitor improvements • Improve utilization of cabinets and shelves. • Reduce frequency therapist avoids an obstacle. • Currently 50% of related activities • Availability of equipment • Currently 25% obstructed/unavailable. • Increase therapy space • Currently therapy space 580 sq. ft.

  18. Ramp Modification • Solution: • Add wheels and handles to make the ramp and platform easily movable • Before modification: 50 lbs. of force required • After modification: 16.7 lbs. of force required

  19. Ramp Modification • Problems: • Existing ramp and platform are heavy and awkward to move • Ramp and Platform weigh 50 lbs. each and need to be carried to an open floor area for use • As a result they are not used • Objective: • Modify ramp and platform to be more mobile • Acceptable weight to lift for 10th percentile female • Maintain current footprint for storage • Meets specifications for Physical Therapist use

  20. Senior Design II Schedule • Facility Layout • Observe Clinic in operation: Through March 30th • Develop New Layout and Implement changes: Through April 30th • Ramp Modification • Order wheels and handles: By March 12th • Assemble components to ramp & platform: By March 23rd

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