Fault Tree Analysis Volumetric Airflow Gauge Failure Modes

Fault Tree Analysis Volumetric Airflow Gauge Failure Modes Design/Casing Failure Patient Complications Administrator Error Electrical Failure A B Regurgitation Into Device One-way flow valve/gauge Block/malfunc. Incooperation Improper Administration Improper Device Attachment Failure to use device Failure to create seal Improper Training Incorrect Vol. reading Inaccurate Volumetric Display Increased expiratory Air pressure Group Members Justin Kiswardy Over/under inflation Lung Tissue Damage Mike Nilo Matt Chakan

A Non-standardized Fitting Air Leak Poor Material Selection Low Marketability Dimensional Failure Alter/Increase Weight Specs. Loose Elect. Components Shifting of Display Delayed Resusc. Environmental Effects Gasket/Seal Failure Water/Liquid enters housing Damage to Batteries Tube cracking Microbial Buildup Early heat strain Inaccurate reading Air Leak Delayed Resusc. Design Failure-A Damage to Circuit

B Unexpected Part malfunc. Lifetime fatigue Electrical Circuit Malfunction LEDs. Mass Flow Device Display Microcontroller C LED Malfunction Circuit Break Burnout. Improper Calibration Circuit Break No Display Inaccurate Display Power Indicator/ Metronome Malfunction Over/Under Inflation No Functionality Thermistor Malfunction Improper Resistance/ Temp. reading Components Enter tubing/ Patients air way Over/under Mechanical Failure- B Tubing Crack inflation Asphys. of Patient/lung Damage

C Incorrect Proramming Improper Pin Placement No Functionality Inaccurate Display No Functionality Microcontroller Failure-C