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The PRIMUS is a total body DXA bone densitometry system developed by OsteoSys. OsteoSys, based in South Korea, has been designing and supplying bone densitometry systems to hospitals globally for over 10 years. The company focuses on continuous research and development to provide efficient FANBEAM BONE DENSITOMETER SYSTEMS.
Key Features and Applications:
- Total Body Assessment & Composition: The PRIMUS provides a total body image for assessing body structure using Auto ROI and segmentation software. It accurately measures body composition (fat mass, tissue mass, lean mass, and fat percentage) using DXA narrow fan beam technology.
- Ergonomic Scanning & Low Radiation Dose: It reduces radiation dose through an efficient scan area and short scan time, making it less harmful than normal entire area scanning methods. The Fan Beam technology contributes to reducing total X-ray exposure time.
- Fracture Risk Assessment:
- LVA (Lateral Vertebral Assessment): This technique helps detect significant lateral vertebral fractures, improving fracture risk assessment.
- Hip Analysis: Tools are available to evaluate the proximal femur geometrically, analyzing the hip structure. This includes Dural Femur identification, Upper Neck Analysis, HAL (Hip Axis Length), FMSA (Femoral Neck Shaft Angle), FNW (Femoral Neck Width), and UFN-BMD (Upper Femoral Neck BMD).
- It also provides a 10-year fracture risk report and analysis.
- Pediatric and Orthopedic Analysis (Optional): The system can measure children’s BMD, even with low-density bone mass compared to adults. For orthopedic analysis, it automatically excludes hip prostheses, metal fastenings, and other artifacts to ensure accurate bone density results.
- User Interface and Operation:
- Easy & Friendly User Interface: The intuitive interface and automated software functions simplify operation.
- Touch Operating Panel: It features a touch operating panel similar to smartphone technology for easier use.
- Fast Measurement Time: Scan time for the femur and spine is 25 seconds. A total body/body composition scan takes approximately 5 minutes, depending on height.
- Image Quality and Management:
- High Resolution Image: PRIMUS provides higher resolution images compared to pencil beam technology.
- Wider Scan Area: It fully covers the whole body, and specific sections can be selected using the ROI (Region Of Interest) function.
- Re-scan Function: Allows users to restart a scan if the initial image positioning was incorrect, reducing total scan time and increasing user confidence.
- Auto ROI: Automatically selects the correct bone line for each region, aiding in accurate analysis.
- Manual ROI: Provides a function for users to trim any part of the body and edit the ROI based on their interest.
- Data Management and Connectivity:
- DICOM Compatibility: Fully equipped for storing, printing, and transferring patient reports, and includes worklist compatibility.
- BMD Conversion: Can convert BMD values from other equipment.
- Multi Patient Data Saving and Remote Control: Patient data can be saved to other PCs or hard disks, and remote control is possible from different locations via another PC. A technician can connect to PRIMUS from Korea to resolve software issues via the internet.
- Multi-language Support: PRIMUS offers programs in multiple languages, including English, Spanish, Chinese, Portuguese, German, and French.
Technical Specifications:
- Scan Sites: Spine, Femur (Left/Right), Forearm, Lateral spine, Total Body.
- Analysis: BMD, T-score, Z-score, BMC, Area, BMI, Body composition (FAT/Lean/BMC), Total body assessment, Hip assessment (Upper/Lower femoral neck analysis, HAL, angle), LVA.

