Lunar DPX-IQ, Operator'S Manual, Page: 118 / 166

G-2 Orthopedic Hip DPX-IQ Operator’s Manual
NOTE: If the patient weighs less than 50 kg, position tissue-equivalent
material around (and if necessary immediately above) the thigh in
the scan area.
3. Select
/
. The Hip Acquisition screen is shown.
4. Select
!
. The scan arm moves to the HOME position.
5. Help the patient on the scan table. Make sure the patient’s body is in the center of the
scan pad and the patient’s head is approximately 2.5 cm below the horizontal line on
the scan pad.
6. Select
!
. The scan arm and detector move to the approximate start position and the
program turns on the laser light.
7. Set the foam positioner (
➊
) under the knee of the leg to be scanned (figure G-1).
Figure G-1. Knee positioner
8. Secure the foot of the leg to be scanned to the straight, vertical side of the foot brace.
Make sure the patient’s toes point up (figure G-2). Refer to the information that
follows to position the patient:
• Gently move the patient’s leg through a small range of movement. Make sure the
leg is in a neutral position without rotation—slightly flexed with the patella
immediately above the joint. Make sure the patient is comfortable.
WARNING: If the patient is uncomfortable in this position, stop the scan
procedure.
DO NOT perform the scan if the patient
is uncomfortable.
• Move the foot brace and the patient’s leg until the femur of the leg to be scanned
is parallel to the center line on the scan pad.
Table G-1. Orthopedic hip scan modes.
Mode
Thickness
(cm)
Imaging Time
(minutes)
Entrance
Exposure
(
µµµµ
Gy)
Fast 3000
µΑ
15–22 4 48
Medium 3000
µΑ
22–30 6 96
Slow 750
µΑ
12–15 2 48
➊