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12
Measurement System Analysis at a
Medical Equipment Manufacturer
This case study is about a Six Sigma project implemented by a supplier of med-
ical equipment parts. The aim is to reduce the percentage of defective parts.
Section 12.1 gives a brief description of the dene phase. Section 12.2
illustrates the measure phase with detailed instructions for using Minitab
®
.
Finally, Section 12.3 gives brief descriptions of the analyze, improve, and
control phases.
12.1 Define Phase
A number of units of a certain part that is used in popular medical equip-
ment sold to major hospitals are being scrapped due to inaccurate diameters
or imperfect shapes. ...