FujiFilm FDR ES DR-ID1270, Руководство по эксплуатации

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A-6
Appendix
A Specifications
DR-ID1270 Operation Manual 897N120821E
A.3 Characteristics
(1) Sensitometoric Response Characteristics and Dynamic Range
DR-ID1270 has a linear response against the exposure range where it can depict the clinical information.
The flat panel sensor covers a dynamic range of 0.088 - 88μGy at least at RQA5.
(2) Spatial Resolution Properties
A typical MTF value of DR-ID1271SE/DR-ID1272SE at 1cyc/mm, RQA5 is 0.75 (high sharpness mode) and
0.60 (standard sharpness mode).
A typical MTF value of DR-ID1273SE/DR-ID1274SE/DR-ID1275SE at 1cyc/mm, RQA5 is 0.80.
The level of uncertainty is estimated as less than ±10%
(3) DQE (Detective Quantum Efficiency)
Typical DQE value of DR-ID1271SE/DR-ID1272SE at 8.8μGy in 1cyc/mm is 0.31.
Typical DQE value of DR-ID1273SE/DR-ID1274SE/DR-ID1275SE at 8.8μGy in 1cyc/mm is 0.54.
The level of uncertainty is estimated as less than ±10%
(4) Display
To deliver the detector characteristics above, it is recommended to use a monitor with the following
specifications:
● Image matrix size : Minimum 2336x2836 pixels (DR-ID1271SE/DR-ID1273SE)
● Image matrix size : Minimum 2832x2836 pixels (DR-ID1272SE/DR-ID1274SE)
● Image matrix size : Minimum 1536x1920 pixels (DR-ID1275SE)
● Gray scale: Minimum 12 bit
● DICOM calibrated
(5) Image Quality Evaluation
Fujifilm typically conducts reader studies that compare new DR-ID1270 detector models to chosen
marketed devices. These studies, involving an assessment of image quality by board-certified radiologists,
have demonstrated that the images acquired using the DR-ID1270 detectors are deemed to be of
diagnostic capability. Additionally, reader studies have concluded that, when used in conjunction with
FUJIFILM’s recommended exposure conditions as a reference, both the GOS-based and Csl-based DR-
ID1270 detectors can provide acceptable diagnostic capability and image quality at reasonably low dose
levels typically used for pediatric use.
(6) Typical Patient Dose
As with any new product/application, Fujifilm provides applications training support to each customer
to establish the dose levels that meet the image quality standards of the medical facility. As part of this
training, we provide both recommended technique charts as well as guidance for optimizing AEC conditions
for each detector type. When using any DR-ID1270 detector, typical patient dose levels should not exceed
that of screen/film or Computed Radiography.