Digital radiography (DR) is an advanced type of x-ray examination, which produces an electronic radiographic picture promptly on a computer. This technique makes use of a level panel detector to capture data during object examination, which is immediately transferred to a computer without the use of an intermediate cassette.
There are two types of digital imaging systems used in intraoral radiography –
CR uses a Photostimulable Phosphor (PSP) cassette to capture the image.
DR uses Amorphous Silicon (a-Si) or Cesium Iodide (CsI) Flat Panel Detector.
Flat Panel Detectors (FPDs) are the most common kind of direct digital detectors.
They are classified in two main categories:
The most common material used in commercial FDP is FDP Amorphous silicon (a-Si). To convert the X-rays into light scintillator are combined with a-Si detectors in the outer layer of detector’s and gadolinium oxysulfide (Gd2O2S) or caesium iodide (CsI) are used in making its outer layer. The a-Si detector is called an indirect imaging device because of this conversion. The a-Si Photodiode layer is used as a channel where light passes through and is converted into a digital output signal. Fiber-coupled CCD or (TFT) thin-film transistors are then used to read out the digital signals.
X-ray photons are transformed directly into charge by using FDP (a-Se) Amorphous Selenium that is why it is also called direct detectors. High voltage bias electrodes are used in the out layer of its flat panel. Electron-hole pairs are created by X-ray photons in a-Se, and the potential of bias voltage charge is responsible for the transit of these electrons. TFT array, microplasma line addressing, active matrix array, or electrometer probes are then used to read out the charge pattern when all the holed are replaced by electrons.
Digital radiography offer many advantages to the non-destructive testing community, including:
DR 14 bits & CR 12bits Comparison
Linear detector arrays and active matrix flat panels are used in digital radiography systems, dynamic matrix array of (TFT) thin-film transistors and photodiodes are deposited under their detection layer. Digital data become available for analysis in no time through digital radiography.
Photo-stimulated luminescence screens are used by computed radiography cassette for X-ray images instead of X-ray films. Stored data gets converted into the digital image when computed radiography images go into radar. The rigid holder is not required by computed radiography images because they are flexible. A detector can fit in curved areas with flexible cassettes.
Both (DR) digital radiography and (CR) computed radiography has a wide range of functions and can eliminate noise but digital radiography has advantages over computed radiography. Digital radiography is more efficient than computed radiography and produces better quality images than computed radiography. Digital radiography is faster, more advanced, and less in price than computed radiography, these all features make digital radiography a better choice and more advanced machine.
- IP Plates recurring cost
- Service Cost of the CR reader
- Work flow inefficiencies
- Higher dose required
- Every 6 to 8 months new IP plates have to be purchased (depends on usage)
- Better image at lower dose.
- Less RT Labor.
- Higher productivity
As with all NDT processes, digital radiography as numerous applications, including:
Nano Medic Care
NEW ORIENTAL 1000 is DICOM 3.0 compliance that means you can benefit from all relevant DICOM services, including DICOM worklist, image storage, printing and other functions that will significantly improve your workflow.
Our products are FDA approved and CE certified, as well as HIS and RIS system compliance. Our manufacturer has accreditations such as ISO9001-2015 and ISO13485.
Beijing Wandong Medical Technology Co., Ltd. is on the Shanghai Stock Exchange since 1997 and it is established in 1955 with the name Beijing Wandong Medical Equipment Co., Ltd (Previous name). Its headquarter occupies has more than 100,000 square meters for its modern R&D center and production base located in Beijing. It has more than 30 branches all over China and a sales network spread over more than 70 countries.
With 60 years’ dedication to medical imaging, Wandong has made a brand name of “WDM”, a well‐known brand globally. As one of the largest radiology imaging equipment manufacturers in the world, Wandong has a wide range of product lines including General Radiography, Mobile X‐ray & C‐arm, Digital Radiography (DR), Digital Fluoroscopy (DRF), Digital Mammography, Cath‐Lab, Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) machine, and the annual production capability is more than 6,000 units.
65 Years: established in 1955
23 years as a listed company: since 1997
Largest Medical Imaging Manufacture in China
30+Branch offices/ distributors over China
70+ sales and service network around the world
International Medical shows: MEDICA, RSNA, Arab Health, ECR
Engineers: 350+ among 800+ employees
Test Labs: High Tension Research Lab, System Research Lab, Digital Image Lab, 3-D Reconstruction Lab and Mechanical Endurance Lab
BEIJING & SHANGHAI PRODUCTION BASE
Area:125,000+ SQM
Capacity: 8,500 units annually
40,000+ units in operation
>1700+ units sold in 2019,
-Body shapes: 5 choices
-Positions: 30 choices
-Radiographic modes: 4 choices
-Body shapes: 5 choices
-Exposure Parameter set
-Parallel communication with workstation
Last Image Display
-Whole spine Radiography program
-Auto-stitching
Integrated operation user interface for control of the whole system including mechanical system, exposure parameters, image acquisition & processing and reporting, greatly improves workflow. DAP optional
To protect the patient from moving machine radar detecting system and infrared switch is installed. The safety of the machine is guaranteed.
The process of acquisition is completed in seconds in acquisition mode if you double click on your mouse.
To switch to a standing position from a lying position only 10 seconds is needed.
Mostly important clinical positions for examination is pre-set, so radiologists feel easy in operation and can switch position just by one click. New positions can also be installed manually.
Position time remarkably reduced by dosage parameters, FPD detector, and X-Ray tube has auto-tracking and automatic adjustment of “collimator radiation field”. Position can be changed simply by “one push-button” on the control panel.
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