Central xray densitometers Delphi

• Manufacturer: Hologic, Inc., Bedford, MA

• Skeletal regions studied:

PA lumbar spine Proximal femur Forearm

Whole body (on Delphi with Whole Body)

PA lumbar spine and proximal femur 15 seconds Forearm 30 seconds Whole body 6.8 minutes

Single energy IVA™ 10 seconds (for 15-in scan length)

Fig. 13-4. The Hologic Delphi™. A central fan-array dual-energy X-ray absorptiometry. Photograph courtesy of Hologic, Inc., Bedford, MA.

Area (cm2) T-score and z-score sBMD (mg/cm2)

NHANES III reference data for hip Trend reports for serial monitoring

PA lumbar spine and proximal femur 5 mR

Forearm 10 mR

Whole body 1.5 mR

Delphi™ with Whole Body 79.5 x 48 x 28 in (202 x 122 x 71 cm), 119 x 59 x 28 in (302 x 150 x 71 cm) table extended

Delphi™ with Whole Body 680 lb (310 kg)

• Recommended dedicated floor space: 8 x 8 ft (2.4 x 2.4 m)

• Scatter radiation: Less than 1.0 mR/hr (0.01 mSv/hr) measured at 6.6 ft (2 m) from the examination table for most scan modes

• Operating environmental temperature: 60° to 90°F (15° to 32°C)

• Operating environmental relative humidity: 20 to 80%, noncondensing

• X-ray source: Switched pulse at 140 kVp and 100 kVp for dual energy; 140 kVp for single energy IVA™

• Detectors: Multi-element detector array

• Quality control: Self-calibrating with Hologic Automatic Internal Reference system and automated quality control program

• Operation: IBM-compatible Pentium computer, Windows 98®-based operating system, HP DeskJet® printer, 17-in monitor

• Accessories provided:

Anthropomorphic spine phantom Medical imaging printer

• Options: Magneto optical disk storage; HP LaserJet® B&W printer; flat panel monitor; whole body, body composition analysis and quantitative morphometry software; modem or network options

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