1. Sarah Calano, Maneesha Kumar,
Product Fault Tree
Sarah Calano, Maneesha Kumar,
Amy McNeal, Brooke Odle
Revision 4 (Final): 4/17/2006
BIOE 1160/1161: Senior Design

2. Fault Tree Analysis – Neck Brace (Full)
1.Rubbing
of collar on
skin
1.Skin
Irritation
2. Rubbing of
chin piece
on chin
1.Design
2.Over-
heating
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 Sore-
Ness/Pain
8.Improper
positioning