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IEC 60601-1-6 Usability Information
Usability Characteristics
The Norland Bone Densitometers achieve a high level of usability, which allows the operator to quickly learn its
operation and efficiently perform accurate bone density procedures. The following characteristics are par-
ticularly helpful in this respect:
Fixed Technique Factors - the x-ray tube voltage and current are not required to be set according to patient
size or portion of the body being scanned. This eliminates this source of operator error.
Automatic (x-ray) Beam Intensity Adjustment - As the patient is being scanned, the intensity of the x-ray
beam is monitored and adjusted to be optimal by switching filters in and out of the beam at high speed. This
eliminates too low count rates that contribute to inaccuracies, and too high count rates that unnecessarily
increase dose. This eliminates a potential source of operator error.
Automatic determination of Region Of Interest (ROI) - For virtually all scans, the software automatically loc-
ates the ROI and properly places the cursors, which determine the area to be analyzed. This quantitative
approach is better and more consistent than what an operator can do. It contributes to better accur-
acy/precision, and reduces a potential source of operator error.
Hip Sling Positioner - This positioner takes the guesswork out of properly rotating the femur neck for the hip
scan. It is easy to use and reduces the negative effect of not having the femur neck perpendicular to the x-
ray beam.
Daily Calibration - The operator is prompted to do a calibration at the beginning of each day's scanning ses-
sion. The calibration scans the Calibration Standard and QC Phantom, and automatically performs the ana-
lysis. The accuracy and precision results are displayed on a timeline, along with a pass/fail indication. This
helps insure accurate and precise patient measurements.
Help Screens - A step-by-step procedure, complete with graphs and pictures, is on the screen while the oper-
ator is performing the scan. It is an easily understood, ready reference that helps preclude operator error.
Operator Profile
Norland Bone Densitometers are intended to be used by persons with the following skills/credentials:
Must be licensed in their State to operate x-ray medical devices. In most States, this means they must be a
licensed Radiology Technologist, or hold a Limited License for Bone Densitometry. This law helps insure the
operators are adequately educated regarding x-ray safety.
Participated in a Norland sponsored, device specific, training class, and passed the final test. This helps
insure the operator knows how to achieve accurate/precise results with the bone densitometer.
Must have basic computer skills. This includes familiarity with the Windows operating system, keyboarding,
mouse operation, how to print, how to backup files, and how to enter data into fields on the screen.
Operator's Guide
437D140 Rev. I
17-10
Technical Reference
Содержание Elite 437A150
Страница 1: ...DXA Bone Densitometer Operator s Guide Elite Model 437A150 Operator s Guide 437D140 Rev I...
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Страница 41: ...Operator s Guide 437D140 Rev I General Information 2 19 Figure 2 6 Page 2 of the Bone Exam Report...
Страница 45: ...Operator s Guide 437D140 Rev I General Information 2 23 Figure 2 10 Page 2 of the Patient Letter...
Страница 47: ...Operator s Guide 437D140 Rev I General Information 2 25 Figure 2 12 Page 2 of the Referral Letter...
Страница 49: ...Operator s Guide 437D140 Rev I General Information 2 27 Figure 2 14 Page 2 of the Ten Year Fracture Risk Report...
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Страница 66: ...11 Click Operator s Guide 437D140 Rev I 3 10 Installation and Setup...
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Страница 124: ...Sample Printed QA Results Report Operator s Guide 437D140 Rev I 4 16 Basic Operation...
Страница 137: ...Operator s Guide 437D140 Rev I Basic Operation 4 29...
Страница 165: ...Operator s Guide 437D140 Rev I Scanning Whole Body 5 23 Figure 5 6 Page 2 of the Bone Exam Report...
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Страница 176: ...Figure 6 2 Page 2 of the Bone Exam Report Operator s Guide 437D140 Rev I 6 10 Soft Tissue Composition...
Страница 178: ...Figure 6 4 Page 2 of the Body Composition Report Operator s Guide 437D140 Rev I 6 12 Soft Tissue Composition...
Страница 198: ...Operator s Guide 437D140 Rev I 7 20 Scanning AP Spine...
Страница 205: ...Operator s Guide 437D140 Rev I Scanning AP Spine 7 27 Figure 7 5 Page 2 of the Bone Exam Report...
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Страница 238: ...Figure 8 6 Page 2 of the Bone Exam Report Operator s Guide 437D140 Rev I 8 32 Scanning Hip...
Страница 289: ...Operator s Guide 437D140 Rev I Scanning Lateral Spine 10 29 Figure 10 6 Page 2 of the Bone Exam Report...
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Страница 301: ...Operator s Guide 437D140 Rev I Additional Techniques 11 11 6 The dialog box closes and the file is sent...
Страница 326: ...Operator s Guide 437D140 Rev I 11 36 Additional Techniques...
Страница 378: ...Figure 12 2 Page 1 of the Ten Year Fracture Risk Report Operator s Guide 437D140 Rev I 12 10 Ten Year Fracture Risk...
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Страница 446: ...Label Locations continued Operator s Guide 437D140 Rev I 17 18 Technical Reference...
Страница 448: ...Scanner Labels continued Operator s Guide 437D140 Rev I 17 20 Technical Reference...
Страница 449: ...Operator s Guide 437D140 Rev I Technical Reference 17 21 Scanner Labels continued...
Страница 457: ...Operator s Guide 437D140 Rev I Reference Data Sets 18 7 Excerpt from Calcified Tissue International...
Страница 458: ...Excerpt from the Journal of Bone and Mineral Research Operator s Guide 437D140 Rev I 18 8 Reference Data Sets...
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