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Team 14026: System Design Review

Team 14026: System Design Review. Mike Allocco, Soham Chakraborty, Leslie Havens, Danielle Koch, Andrew Miller, Kristeen Yee, Stephanie Zambito. Agenda. Problem Statement Customer Needs & Engineering Requirements Functional Decomposition Process Proposal Concept Generation Design Drawings

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Team 14026: System Design Review

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  1. Team 14026: System Design Review Mike Allocco, Soham Chakraborty, Leslie Havens, Danielle Koch, Andrew Miller, Kristeen Yee, Stephanie Zambito P14026_System Design Review 10/1/13

  2. Agenda • Problem Statement • Customer Needs & Engineering Requirements • Functional Decomposition • Process Proposal • Concept Generation • Design Drawings • Concept Selection • Test Plan • Risk Analysis • Benchmarking • Moving Forward P14026_System Design Review 10/1/13

  3. Problem Statement • Current State • 1st generation of a validation system • Desired State • Simulate the respiratory system and measure flow, pressure, volume, and oxygen concentration • Project Goals/Opportunities • Collect data to evaluate 13027’s PEV • Constraints • ANSI Z79.7 • ISO 5469:1967 • ASTM F1100-90 • ISO 80601-2-12 P14026_System Design Review 10/1/13

  4. Old Matrix P14026_System Design Review 10/1/13

  5. New Matrix P14026_System Design Review 10/1/13

  6. Defining the Scope P14026_System Design Review 10/1/13

  7. Functional Decomposition P14026_System Design Review 10/1/13

  8. Functional Decomposition P14026_System Design Review 10/1/13

  9. Functional Decomposition P14026_System Design Review 10/1/13

  10. Functional Decomposition P14026_System Design Review 10/1/13

  11. Functional Decomposition P14026_System Design Review 10/1/13

  12. Functional Decomposition P14026_System Design Review 10/1/13

  13. Functional Decomposition P14026_System Design Review 10/1/13

  14. Process Proposal P14026_System Design Review 10/1/13

  15. Concept Generation P14026_System Design Review 10/1/13

  16. Concept Generation P14026_System Design Review 10/1/13

  17. Design Drawings Primarily Electrical System Animal Lung System Microprocessor System P14026_System Design Review 10/1/13

  18. Design Drawings (Top 2) Primarily Mechanical System SCMD P14026_System Design Review 10/1/13

  19. Concept Selection P14026_System Design Review 10/1/13

  20. Concept Selected P14026_System Design Review 10/1/13

  21. Test Plan • Test Mass Flow Sensor • Verify accuracy of the data • Test Pressure Sensor • Verify accuracy of the data • Test Lung Simulation • Verify lung operations • Test Calibration • Verify accuracy of testing system P14026_System Design Review 10/1/13

  22. Risk Analysis P14026_System Design Review 10/1/13

  23. Benchmarking • Gas flow measuring device - US 7212937 B2 • Imt Medical – FlowAnalyser • No tubes between sensors • Bidirectional flow measurements are possible • Orifice Plate VS Sieve? P14026_System Design Review 10/1/13

  24. Benchmarking • Simulated human lung for anesthesiology simulation • US 5403192 A – Cae-Link Corporation • compact • can be controlled to breathe via computer program • compliance and resistance can be varied • will fit into mannequin’s chest cavity P14026_System Design Review 10/1/13

  25. Benchmarking • Other methods of simulating human lungs • Ventilator test lung and trigger assembly • CA 2699661 A1 • Uses a rigid container with fixed walls • Series of valves control resistance to flow • Pneumatic trigger (actuated by vacuum generator) housed inside of rigid container • Servo lung simulator and related control method • WO 1997012351 A1 • Uses a computer controlled piston to reproduce lung behavior. • Volume is measured through piston displacement accurate to 50 μL. •  Since the model is mathematical and implemented in software, an infinite variety of resistance and compliance values can be chosen by the user. P14026_System Design Review 10/1/13

  26. Subsystem Schedule P14026_System Design Review 10/1/13

  27. Next Steps • Develop contacts at local hospitals • Discuss peer reviews as a group • Additional benchmarking of subsystems • Functional decomposition of subsystems • Concept generation of subsystems • Concept selection of subsystems • Acquire ventilator tester P14026_System Design Review 10/1/13

  28. Questions P14026_System Design Review 10/1/13

  29. Primarily Electrical System

  30. Primarily Mechanical System

  31. Animal Lung System

  32. SCMD (System Calibrated w/ Medical Device)

  33. Microprocessor System

  34. Risk Analysis

  35. Risk Analysis

  36. Risk Analysis

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