Selenium-Based Flat Panel X-ray Detector for Digital Fluoroscopy and Radiography

We have succeeded in developing the first selenium-based flat panel X-ray detector for digital fluoroscopy and radiography. This flat panel X-ray detector efficiently captures X-rays that have passed through the patient's body and converts them directly to digital dynamic and static images. It has been confirmed that images with high spatial resolution and contrast can be obtained. The detector permits fluoroscopy to be performed at a rate of up to 30 images per second, making it possible to visualize the morphological characteristics of lesions such as early-stage cancer or vascular stenosis, and offers many advantages, including expanded diagnostic capabilities and reduced patient exposure dose. We will develop a variety of detectors for a full range of digital X-ray applications from general radiography to angiography. The structure and features of the newly developed flat panel detector and the advantages of next-generation diagnostic X-ray systems are discussed in this report.

Fig. 1: Design of the direct-conversion flat panel detector for dynamic imaging
Fig. 1: Design of the direct-conversion flat panel detector for dynamic imaging

This article was first published in the VISIONS, issue 1/2001, a publication of Toshiba Medical Systems


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