DXA-500B Dual-Energy X-ray Bone Densitometer

1.Technology: Dual-energy X-ray Absorptiometry (DXA).
2.Measurement Site: Left/right forearm (distal radius and ulna).
3.Connection Between Host and Workstation: Wireless.
4.Imaging Mode: Cone beam, planar imaging.
5.X-ray Tube Voltage: High energy 70 kV, low energy 45 kV.
6.Corresponding Tube Current: High energy 0.15 mA, low energy 0.40 mA.
7.Scan Time: ≤4 seconds.
8.Accuracy (Error):Low-density phantom: ≤±0.6%.
9.Medium-density phantom: ≤±0.8%.
10.High-density phantom: ≤±0.5%.
11.Repeatability (Coefficient of Variation, CV):
12.Low-density phantom: CV ≤0.7%.
13.Medium-density phantom: CV ≤0.3%.
14.High-density phantom: CV ≤0.3%.
15.Reference Database: Chinese population bone density reference database (covers ages up to 100 years).
16.Measurement Area: >85 mm × 115 mm.
17.Measurement Parameters: BMD (Bone Mineral Density), BMC (Bone Mineral Content), Area, T-score, Z-score.
18.Positioning: Real-time positioning monitoring.
19.BMI Assessment: Integrated body mass index (BMI) evaluation.
20.Focal Spot-to-Skin Distance: ≤150 mm (supported by test report evidence).
21.Hospital System Integration: Compatible with HIS (Hospital Information System) and PACS (Picture Archiving and Communication System).
22.FRAX Integration: Fracture Risk Assessment Tool (FRAX).
23.RRF Assessment: Renal Function Risk (RRF) evaluation.
24.Automatic Arm Recognition: Left/right arm identification system
25.Remote Operation: Console positioned away from X-ray source for operator safety.
26.Self-Diagnostic Function: Built-in system self-test.
27.Trend Analysis: T-score and Z-score trend charts.
28.Workstation Configuration: Laptop with 8GB RAM, 500GB storage.
29.Service Life: 10 years.