Device mechanical malfunction Decreased oxygen delivery

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Presentation transcript:

Device mechanical malfunction Decreased oxygen delivery Rev: April 20, 2008 FAULT TREE ANALYSIS Retractable Tubing Device JMAN: Jamie Haney, Nathan Sendgikoski, Michael Smithula, Andrew Vidokle Device dropped OR Damage due to spring torque Housing assembly cracks or breaks Spring malfunctions DEVICE FAILURE Retraction mechanism fails Device mechanical malfunction OR Spring dislodges from attachement OR Inconsistent retraction due to improper spring Locking mechanism fails OR Tubing becomes kinked within housing assembly Coiled conformation of tubing impedes oxygen delivery OR Tubing is wound too tightly Decreased oxygen delivery OR Oxygen leakage from attachment sites due to improper materials