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Hologic Product Detail
Model: Elite QDR 4500
The standard of value and efficiency for the private practitioner QDR 4500
The QDR 4500 Elite combines the superiority of fan-beam technology with a unique, value-added package of clinical, patient reporting, and support software. It delivers high-performance imaging and bone density measurement with unsurpassed precision and low patient dose.The Elite protects your investment from obsolescence with a modular design that easily accommodates upgrades and enhancements as the technology advances and your practice grows.
The intuitive, user-friendly QDR for Windows operating system guides operators step-by-step through the patient examination process.With just a single click, operators can access quality control, patient data entry, scan acquisition and analysis, report generation, and archiving functions. Subsequent screens provide an automatic, guided flow through each process, enhancing patient throughput under real clinical conditions.
In just 30 seconds or less, Elite’s fan-beam x-ray completes hip, AP spine and forearm scans with uncompromised precision and image quality and low patient dose.That’s nearly five times faster than the fastest pencil-beam system takes to produce similar, clinically-meaningful scans. Faster scanning lets you accommodate more patients in your busy schedule and contributes to your potential for practice growth.
Clinical Bone Densitometry Features:
- Modular, fan-beam DXA technology scans spine, hip and forearm
- Advanced computer system and printer, modem, SuperDisk drive and CD ROM
- QDR for Windows operating system with flexible navigation and multiple reporting options
- Dual-Hip™ Analysis automatically moves table and C-arm into position for measurement of opposite hip to help identify lowest BMD site
- NHANES Reference Database complies with standardization guidelines
- One Time ™ Auto Analysis automatically and reliably identifies region of interest and delivers expertly analyzed hip and AP spine scans in less than five seconds
- Internet access-ready
- Fracture Risk Indication with World Health Organization criteria
- Context Sensitive Help provides an overview and virtual “walk through” of the QDR 4500 Elite’s operation and capabilities
- Practice Development Guide helps you promote your bone densitometry services to patients and referring clinicians
Clinical Applications
- Lumbar Spine
Lumbar vertebrae represent one of the most important sites of interest for bone mineral assessment due to the presence of high- turnover trabecular bone.The Elite provides unmatched precision for lumbar spine studies with scanning times as rapid as 10 seconds. Spine precision is better than 1.0% (C.V. at BMD=1.0g/cm2). Displays a higher resolution single-energy image with one key stroke—a feature possible with fan-beam technology.
- Proximal Femur
The Elite performs hip BMD evaluations in as little as 10 seconds. It can measure five separate regions of interest, including a Ward’s triangle (lowest density)—determined by an automatic search
along the entire femoral neck. Typical hip precision=1.0% (total hip). Displays a higher resolution single-energy image with one key stroke—a feature possible with fan-beam technology.
- Forearm
A 30-second forearm scan performed on the Elite produces simultaneous assessments of 1/3, mid- and ultra-distal regions. Elite can scan and analyze the radius and ulna, either separately or combined.
- Prosthetic Hip
Bone resorption around a hip prosthesis can eventually contribute to loosening of the implant device. Monitoring changes in the bone surrounding the prosthesis provides clinicians with pertinent information regarding bone status and the viability of the implant. The QDR Prosthetic Hip software option employs a special algorithm that automatically identifies and removes the influence of a metal prosthesis to produce precise BMD measurements. The display can be switched from a dual to single-energy image for viewing the implant without rescanning.
- Whole Body/BMD Analysis
The QDR 4500W and 4500A models can evaluate BMD of the entire skeleton and report on up to 10 continuously adjustable regions of interest. Region markers can be angulated for correct anatomical placement.Typical precision for whole body scans is 0.75% (total region CV at BMD = 1.0 g/cm2). Optional body composition analysis software enables evaluation of fat mass, lean mass and total mass for the entire skeleton and for individual sub-regions. Both BMD and body composition
can be derived from a single whole body scan.
- Scan Comparison
This feature can be used in all QDR scan modes.The above example shows a current hip exam displayed and compared simultaneously with a previous baseline study. Scan comparison automatically replicates regions of analysis, minimizing operator involvement and performance time.
Other Features:
- QDR® for Windows
QDR for Windows enhances performance by putting the power and ease of a Windows-based operating system at your fingertips. Distinct icons and logical screen design makes navigating the system interface and workflow highly intuitive and user-friendly. Access all QDR quality control, scanning, analysis, reporting and archiving functions by just clicking the appropriate on-screen button. Subsequent screens and help menus walk you through each process. QDR for Windows reduces the operator learning curve and makes it easy to train new operators on the job.
QDR for Windows Features ...
- Flexible navigation to accommodate diverse workflow
- Complete data compatibility with DOS-based QDR systems
- Multiple reporting options that can be configured to your specific needs
- Enhancements to simplify connection with and integration of other information systems
- QDR OnePage Report
Combine image, scan, analysis, and reference curves in a concise, easy-to-read, visually impressive, single-page report. Choose from several preformatted templates and customize your choice with your clinic's name, address, and phone number to save time and materials.
- Reference Values
The extensive online database of reference values included with QDR for Windows simplifies interpretation of studies. Hip reference data are based on NHANES in compliance with standardization criteria.
- Rate of Change
Trend Reports provide an easy method to compare annualized rates of change. Significant changes in bone mineral status are automatically and clearly noted on the report.
- Physician’s Report Writer (Optional)
The most advanced interpretation and e-reporting solution for DXA.With the click of a button, produce a comprehensive electronic report. Includes BMD results, plus physician’s interpretation in a customizable, Microsoft Word format for electronic distribution and printing.
- Context Sensitive Help
The text and graphics in QDR for Windows Help Menu provide an overview and virtual “walk through” of Elite’s operation and capabilities. A single click on a topic button produces instructions on scanning, analysis, and data management.
- Practice Development Guide
The Practice Development Guide helps you raise public awareness and take full advantage of Elite’s practice-building potential. Two CDs include ready-to-print marketing and patient education materials and tips on how to use the available array of marketing and media options to maximize the return on your investment of time, resources, and capital.
- Technological Leadership
Hologic pioneered DXA technology with the introduction of the first DXA system in 1987. Since then, Hologic has developed four generations of bone densitometers— including the first fan-beam system—all of which are completely data compatible to protect your investment and make upgrades easy.
- Fan-Beam Technology
Hologic’s fan-beam bone densitometers image across the entire width of a region of interest, eliminating the need for scanning in the slower, rectilinear pattern required by pencil-beam systems. Fan-beam scans faster without compromising precision or safety. The QDR 4500’s optimal x-ray energies (100/140 kVp) penetrate a wider range of patients to produce better quality images. Also, fan-beam technology supports high-resolution, single-energy image display for optimal visualization of demineralized bone without additional patient scanning.
- Convenience and Reliability
Each QDR unit comes with an anthropomorphic spine phantom, used for quality control. This assures consistently accurate measurements without the need for waterbaths to perform calibration procedures. The QDR 4500’s patented Automatic Internal Reference System— comprised of a rotating calibration drum— automatically maintains pixel-by-pixel calibration without operator involvement and assures long-term precision and compatibility between all QDR systems.
- Unsurpassed Precision
Hologic QDR systems surpass the precision of competitive systems where it really counts—on real patients, especially
those with low bone density.The chart below compares hip and spine precision values of pre- and post-menopausal
women scanned on a QDR fan-beam system and our competitor’s fan-beam and pencil-beam systems.
- Patient Rescan makes obtaining the perfect scan easy. With the push of a button, operators can interrupt scanning to adjust the image on screen, eliminating the need to reposition patient on table.This exclusive feature saves time and assures patient comfort.
- Reanalysis—QDR systems store scan information as raw data that can be repeatedly reanalyzed—even a year or more later—without rescanning.
- Scoliotic Spine Analysis tailors vertebral BMD assessment to the unique curvature of patients with scoliosis.
- Automatic Bone Mapping calculates the soft tissue and bone map of any scan without operator involvement.
- Automatic Locate feature internally records and monitors the location of patient data saved to a storage media, eliminating the need to log patient data.This program displays the disk and location where data were archived.
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