Norland Elite 437A150, Operator'S Manual

Page: 208 / 490

Scan Specifications
Detailed specifications for the Hip scan are in the following tables.
Scan Sites Femoral neck, Greater Trochanter, Ward's Triangle, Total Hip
Accuracy a Typically within 1.0% of industry standard
In vivo Precision b See table below
Scan Time Refer to Technical Reference Section
Scout Scan
Resolution 1.0mm x 4.0mm: Point resolution x line spacing (pixel size)
Measure Scan
Resolution 1.0mm x 1.0mm: Point resolution x line spacing (pixel size)
Scan Speed Selectable:
High Precision - 45mm/sec
Standard - 90mm/sec
Table 8-1: Detailed Hip Scan Specifications
Femoral Neck C.V. Greater Trochanter C.V. Total
Measure
Scan Mode
Measure
Scan Speed
BMD BMC AREA BMD BMC AREA BMD
Standard Speed 90mm/sec 1.5% 1.6% 1.0% 1.1% 2.0% 1.4% 0.7%
*** All specifications are subject to change without notice. ***
Table 8-2:
Hip Scan In vivo Precision
a
Based on Standard Speed scans of an anthropomorphic phantom.
b
Based on scans of 14 subjects, 3 scans each, using standard procedure, scout and measure scan speed of 180mm/sec, scout scan resolution
of 1mm x 4mm, and measure scan resolution of 1mm x 1mm.
Operator's Guide
437D140 Rev. I
8-2 Scanning Hip