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Product Fault Tree
Sarah Calano, Maneesha Kumar,
Amy McNeal, Brooke Odle
Revision 4 (Final): 4/17/2006
BIOE 1160/1161: Senior Design
Fault Tree Analysis – Neck Brace (Full)
1.Skin
Irritation
1.Design
2.Overheating
1.Rubbing
of collar on
skin
2. Rubbing of
chin piece
on chin
3.Lack of
ventilation
4.Pressure
on neck
area
Hazard
Types
3.Difficulty
Swallowing
5.Chin
too high
4.Suffocation
6.Collar
too soft
7.Improper
fitting
2.Process
5.Neck SoreNess/Pain
8.Improper
positioning
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