Many medical device distributors lack in-depth knowledge of current product lines, and the distinction between portable DR and portable X-ray machines is a common source of confusion. When hospitals request them to source these two types of equipment, many find themselves unsure how to proceed. Below, we break down the relationship and key differences between portable DR and portable X-ray machines.
Portable DR is essentially built on the foundation of an X-ray unit, with one critical addition: a DR flat-panel detector. Its core advantage is that immediately after exposure, the captured image can be viewed on a computer screen without any waiting time. This is a massive upgrade from the old film development process, which required long waiting periods for results — this is exactly why more and more medical institutions are now choosing DR X-ray systems.
As for a portable X-ray machine, it refers to a standalone X-ray unit that is not equipped with a DR flat-panel detector. This device features a simple structure and high mobility, which is why it is named a portable X-ray machine.
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| Comparison Dimension | Portable DR | Portable X-ray Machine |
|---|---|---|
| Core Imaging Configuration | Equipped with a DR wireless flat-panel detector for full digital direct imaging. Mainstream models support a 17×17 inch detector with a pixel matrix ≥ 3072×3072 | No DR flat-panel detector. It adopts an image intensifier for analog fluoroscopy imaging, without an independent digital radiography module |
| Total Unit Weight | The whole device weighs under 5kg, with some ultra-light models as low as 3.2kg, allowing single-person hand-carried transport | The main unit weighs only 3.6-6.2kg. With a simpler structure, its portability is designed for partial local scenarios |
| Imaging Efficiency | High-definition digital images are generated 3 seconds after exposure, no waiting for film development. Real-time image parameter adjustment is supported | It only provides real-time dynamic fluoroscopy observation, no dedicated radiography archiving workflow. Images cannot be directly digitally exported |
| Core Performance Parameters | Spatial resolution ≥ 3.7 lp/mm, DQE ≥ 60%. Fully compatible with DICOM 3.0 protocol to connect to hospital PACS systems | Resolution >4LP/mm, maximum observable thickness ≤320mm. Outputs analog fluoroscopy footage, cannot integrate with medical information systems |
| Power Supply & Battery Life | Built-in high-capacity lithium battery, supports over 150 exposures per full charge, enabling long-time outdoor operation without mains power | Power consumption is only 80W, requires 220V mains power connection. No built-in high-capacity battery, cannot work for long periods away from fixed power sources |
| Typical Application Scenarios | Primary public health field physical examinations, disaster rescue, bedside emergency care, batch routine diagnostic radiography for chest, limbs and spine | Intraoperative orthopedic fracture reduction, foreign body removal, pediatric local fluoroscopy, industrial non-destructive testing, security local inspection |
| Clinical Value Positioning | Meets diagnostic-grade radiography requirements. Images can be permanently archived for formal diagnostic reports, classified as a compliant radiological diagnostic device | Only supports real-time in-surgery fluoroscopy observation for alignment. Cannot generate archivable diagnostic-grade images, not qualified as a formal diagnostic radiography device |
| Mainstream Market Price Range | Mid-range domestic models are priced at USD 1,400-2,800, classified as a regular digital radiological diagnosis device | Conventional domestic models are priced at USD 140-700, mostly used as a specialized auxiliary fluoroscopy device |
Mobile DR X-ray Machine
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