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Device mechanical malfunction

Rev: April 20, 2008 FAULT TREE ANALYSIS Retractable Tubing Device JMAN: Jamie Haney, Nathan Sendgikoski, Michael Smithula, Andrew Vidokle. OR. OR . OR. OR. OR. OR . Device dropped. Damage due to spring torque. Housing assembly cracks or breaks. Spring malfunctions. DEVICE FAILURE.

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Device mechanical malfunction

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

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