Team Members: Jon Klein Nguyen Vu Kyle Menges Christine Lowry Chris Stein Priya Narasimhan Julie Coggshall Week 2 Presentation:  Work Breakdown Structure  Customer Needs  Engineering Specifications

1. Biocompatible Test Loop 1.1 Electrical Systems and Components Software/Interface Labview Program Generation of P vs V curves for specific Pump Speed Tracking the temperature of fluid and pumps Alternatives to Labview Hardware/Instrumentation VAD Loop speed collection Pressure Collection Inlet Outlet Absoulte Flow Rate Collection Meter Temperature Collection Fluid Pump Pressure Control Temperature Control DAQ Power Source 1.2 Fluid Fill, Drain, and Test Reservoir Tank Fill Point Drain Point Extracting sample Container Extraction Device Collection Container 1.3 Pump Integration LVAD R2 intergrated PVS intergrated Pressure Control Pump Integrated Valves to Isolate Pumps 1.4 System Integration Tubing Fittings Between Pumps Between Valves Between Joints Valves Flow regulator Support Cart Stand

1.5 Deliverables Planning Schedule Team Roles Customer Needs Customer Needs Interviews Customer Needs Final Draft Specification Specification Generation Method Specification Final Draft Concept Development Concept Generation Concept Selection Method Concept Selection Systems Level Design Architecture Engineering Analysis Risk Assessment Detailed Interface Specs Proof of Concept Proof of Concept Biocompatibility Solid Works CFD Detail Design BOM Drawings/Schematics Data package Research and Benchmarking Past Teams Outside Source Documentation EDGE website MSDII Project Plan Test Plan Documentation Files Formal Review Design Verification Construction Final Test Plan Verification Testing Verification Documentation Technical Paper Draft Integrated Print Submitted Published Proceedings Poster Submission Poster Activities

Need # Needs to Importance (Scale: High, Medium, Low) 1Able to incorporate LVAD R2 pump into Test LoopHigh 2Simulate vascular resistance and complianceHigh 3Collect Pressure across pumpsHigh 4Collect Flow ratesHigh 5Collect Temperature dataHigh 6 Generate Pressure and Flow curves at associated temperatures High 7 Correlate existing pump functionality test with collected data Medium 8 Minimal comprehension of the system's functionality is needed to operate (friendly user interface, preferably LabVIEW) Medium 9 Operate using multiple fluids (water, water/glycerin mixture, blood) High

Need # Needs to Importance (Scale: High, Medium, Low) 10Closed loop system that cannot leakHigh 11Volume cannot exceed that of blood bagMedium 12Easy to fill and drain fluidsHigh 13Extraction of fluid samples cannot interrupt test while runningHigh 14Test device needs to be self contained and portableHigh 15Temperature controlled to simulate human body temperatureHigh 16Able to run with and without Pulsatile Ventricular SimulatorHigh 17Easy to maintain and calibrate deviceMedium 18Within BudgetMedium

Engineering Spec #MetricUnitsImportance Ideal Value Lower Limit Upper Limit System Properties ES1Capable of using VADBinary5TRUE ES2Capable of using PVSBinary3TRUEFALSETRUE ES3No LeaksBinary5TRUE ES4BiocompatibleBinary5TRUE ES5Systemic Vasular ResistanceMPa·s/m ES6Portabilityminutes35110 ES7System Volume liters ES8Drain Timeminutes ES9Fill Timeminutes ES10CostU.S. Dollars

Engineering Spec #MetricUnitsImportance Ideal Value Lower Limit Upper Limit Fluid Properties ES11Useable Fluid ViscosityN·s/m ES12Useable Fluid Densitykg/m Data Management ES13Measure Pressuremm Hg ES14Measure Flow Rateliters/minute56010 ES15Measure Temperaturedegrees C ES16Data Processing/Ouputseconds310060

Engineering Spec #MetricUnitsImportance Ideal Value Lower Limit Upper Limit Sample Extraction ES17Sample Extraction Sizemilliliters3TBD25 ES18Sample Extraction Timeseconds Test Rig Physical Dimensions ES19Heightinches ES20Lengthinches ES21Widthinches