Digital Radiography System for Fullspine & Longbone
Thursday, 24 June 2010
NO EFFECT Of X-RAY SCATTER
1) Scattered X-ray photons can contribute very significantly to the exposure of the image. In screen-film or flat panel type radiography, scattered radiation causes a reduction of contrast of the image.
2) The main effect of scattered radiation is to increase the noise of image. Grids are used to reduce scattered radiation, but can also produce artifacts on the image.
3) In the case of DDR Inventor-V, the fan beam by collimator reduces scattered radiation from patient and linear structure of detector also prevents incident scattered ray from patient.
4) Therefore, there is no need of severe image processing to remove the noise from scattered radiation and image processing speed is very fast.
2) The main effect of scattered radiation is to increase the noise of image. Grids are used to reduce scattered radiation, but can also produce artifacts on the image.
3) In the case of DDR Inventor-V, the fan beam by collimator reduces scattered radiation from patient and linear structure of detector also prevents incident scattered ray from patient.
4) Therefore, there is no need of severe image processing to remove the noise from scattered radiation and image processing speed is very fast.
LONG SCAN PICTURE
1) DDR Inventor-V is another innovation from JSB and it completely revolutionizes how long bone imaging is done.
2) It also eliminates the need for image stitching process and creates a full spine image on one exposure.
3) Workflow is once again streamlined by a single exposure hence reducing dose and discomfort to the patient.
4) Because the full spine or long bone image is taken in one shot and image stitching is eliminated, DDR inventor-V increases user’s productivity and throughput.
2) It also eliminates the need for image stitching process and creates a full spine image on one exposure.
3) Workflow is once again streamlined by a single exposure hence reducing dose and discomfort to the patient.
4) Because the full spine or long bone image is taken in one shot and image stitching is eliminated, DDR inventor-V increases user’s productivity and throughput.
LOW DISTORTION
1) The film-screen and flat plate type detector cannot avoid the image distortion in vertical and horizontal directions.
2) DDR Inventor-V shows real size of image in the vertical direction.
2) DDR Inventor-V shows real size of image in the vertical direction.
LOW DOSE
1) Normal exposure time of conventional screen-film radiography for chest is about ~ 0.05 sec.
2) In the case of DDR Inventor-V, exposure time per line depends on scanning speed and is under 0.005 sec. at normal scan speed.
3) Therefore, effective exposure time of DDR Inventor-V is shorter than that of other radiography systems.
4) In addition, characteristics of MIC detector related to high image quality such as direct conversion, low scattered radiation and high fill factor contribute to low radiation dose on patients.
2) In the case of DDR Inventor-V, exposure time per line depends on scanning speed and is under 0.005 sec. at normal scan speed.
3) Therefore, effective exposure time of DDR Inventor-V is shorter than that of other radiography systems.
4) In addition, characteristics of MIC detector related to high image quality such as direct conversion, low scattered radiation and high fill factor contribute to low radiation dose on patients.
Wednesday, 23 June 2010
HIGH FILL FACTOR
1) Fill factor is the ratio of the sensitive area of the pixel to the effective area of the detector itself.
2) If the fill factor is small, light photons from a part of incident X-rays may never be recorded.
3) MIC detector has no loss of effective sensing area because most of all ions are captured between the electrodes.
4) Above all, MIC detector has no dead zone by its intrinsic characteristics.
2) If the fill factor is small, light photons from a part of incident X-rays may never be recorded.
3) MIC detector has no loss of effective sensing area because most of all ions are captured between the electrodes.
4) Above all, MIC detector has no dead zone by its intrinsic characteristics.
DIRECT CONVERSION OF X-RAY
1) Most of the digital radiography systems which are based on charge-coupled device (CCD) and amorphous silicon (a-Si) are indirect conversion type that uses scintillator to convert incident X-ray into visible light.
2) That is, they need two-step process to get electronic signal for digital image and the image quality is significantly affected by scintillator.
3) MIC detector is direct conversion type. The X-ray irradiation which passed through the patient penetrates into the space between the electrodes and the gas filled in the chamber is ionized to generate charges on the corresponding electrodes.
4) The induced charges are read directly by electronics.
2) That is, they need two-step process to get electronic signal for digital image and the image quality is significantly affected by scintillator.
3) MIC detector is direct conversion type. The X-ray irradiation which passed through the patient penetrates into the space between the electrodes and the gas filled in the chamber is ionized to generate charges on the corresponding electrodes.
4) The induced charges are read directly by electronics.
WHY SCAN DIGITAL RADIOGRAPHY SYSTEM WILL BECOME A TREND
The DDR Inventor-V’s fully integrated system is designed to increase efficiency in patient exam time. This scanning DR system offers quicker turnaround for digital images than Conventional Radiography does and eliminates everything associated with film processing from an analogue facility. Compared to processing film and storing chemicals, the image acquisition process is far more efficient. Therefore, the images are available within seconds with excellent image quality. One of the largest motivators for healthcare facilities to adopt this JSB’s DR system is that DDR Inventor-V considerably reduces time and costs associated with processing and managing images as well as storing films. The tightly focused X-ray beam produces virtually no scattered radiation effect, making the DDR Inventor-V safe and easy to operate. Lesser skilled operators can produce quality images by using far less radiation dose than anyone else in the industry. The JSB’s Scan DR’s speed of operation ensures that it is best suited to high X-ray patient throughput situations. In fact, this scan-type DR has alleviated workflow back-ups and radiologists are now able to see more patients in a day. JSB Medics is confident of the DDR Inventor-V’s continued growth in the market as it will continue to phase out older, less practical film processing methods.
SHIELDING ROOM FOR SPACE & COST SAVING
1) As an option, JSB Medics could provide capsule-type shield room that was developed for the first time in the world.
2) This mini X-ray room functions as all-in-one digital clinic and makes the full use of space.
3) Due to the complete shielding of the DDR Inventor-V, it is unnecessary to shield the X-ray room in its entirety.
4) This space-saving design allows installation in confined areas such as consulting room.
5) There is no need for control rooms or for the entire shielding of X-ray rooms, which is ultimately leading to lower costs.
6) This shielding solution is unique in that it can be placed in any room and operating personnel are not exposed to scattered X-rays.
2) This mini X-ray room functions as all-in-one digital clinic and makes the full use of space.
3) Due to the complete shielding of the DDR Inventor-V, it is unnecessary to shield the X-ray room in its entirety.
4) This space-saving design allows installation in confined areas such as consulting room.
5) There is no need for control rooms or for the entire shielding of X-ray rooms, which is ultimately leading to lower costs.
6) This shielding solution is unique in that it can be placed in any room and operating personnel are not exposed to scattered X-rays.
TIME SAVING & EFFICIENT DR
1) The JSB DR system’s speed of operation ensures that it is suited to high X-ray patient throughput situations.
2) Long body X-ray images can be completed in 5 to 7 seconds.
3) It needs fewer views to be taken to complete an exam, having excellent spatial and contrast resolution.
4) It also eliminates the need for image stitching process and creates a full spine or long bone image on one exposure.
5) It can obtain a long body X-ray picture with only one scan by the machine, while conventional X-rays can only cover a single section of the body per scan.
6) It is compatible with PACS for the all digital imaging department.
2) Long body X-ray images can be completed in 5 to 7 seconds.
3) It needs fewer views to be taken to complete an exam, having excellent spatial and contrast resolution.
4) It also eliminates the need for image stitching process and creates a full spine or long bone image on one exposure.
5) It can obtain a long body X-ray picture with only one scan by the machine, while conventional X-rays can only cover a single section of the body per scan.
6) It is compatible with PACS for the all digital imaging department.
ECONOMIC OPERATION & MAINTENANCE
1) The price is far lower than existing FPD DR systems.
2) This scanning DR system enjoys long life time with consistent image quality.
3) MIC detector, the system’s core part, has no aging effect such dead pixels and decrease of sensitivity.
4) Not only the price of detector but its maintenance cost is very low.
5) When needed, repairing the MIC detector is possible.
2) This scanning DR system enjoys long life time with consistent image quality.
3) MIC detector, the system’s core part, has no aging effect such dead pixels and decrease of sensitivity.
4) Not only the price of detector but its maintenance cost is very low.
5) When needed, repairing the MIC detector is possible.
LOW RADIATION DOSE
1) DDR Inventor-V is very beneficial since its effective exposure time is shorter than that of other radiography systems.
2) Low noise characteristics of detector and application of scanning method make a result of low radiation dose to patients.
3) The scanning time characterizes the time of passing over the selected area of a very narrow fan-like X-ray beam.
4) Highly focused fan beam effectively eliminates large X-ray doses, so it ensures reduced risk of radiation exposure to staff and patients.
5) Patient is exposed to radiation layer-by-layer, as against the traditional radiography, where the patient is exposed to a wide beam acting simultaneously upon the whole selected area.
6) The lower patient exposure dose is conditioned by high sensitivity of the X-ray image receiver, absence of anti-scattering grid and short time of an effective exposure of the patient.
7) With the JSB system, the danger of an overdose is taken away and both children and pregnant women could be X-rayed without concern.
2) Low noise characteristics of detector and application of scanning method make a result of low radiation dose to patients.
3) The scanning time characterizes the time of passing over the selected area of a very narrow fan-like X-ray beam.
4) Highly focused fan beam effectively eliminates large X-ray doses, so it ensures reduced risk of radiation exposure to staff and patients.
5) Patient is exposed to radiation layer-by-layer, as against the traditional radiography, where the patient is exposed to a wide beam acting simultaneously upon the whole selected area.
6) The lower patient exposure dose is conditioned by high sensitivity of the X-ray image receiver, absence of anti-scattering grid and short time of an effective exposure of the patient.
7) With the JSB system, the danger of an overdose is taken away and both children and pregnant women could be X-rayed without concern.
BENEFITS OF SCAN TYPE DR
1) The influence of non-diagnostic scattered radiation on quality of the digital image is completely eliminated, without using the scattering-preventing grid.
2) The scattered radiation is deflected because the X-ray image receiver is a very narrow linear array X-ray sensitive detector.
3) The contrast sensitivity is substantially improved, not only due to the absence of influence of the scattered radiation, but also due to the absence of mutual influence between the neighboring image elements.
4) The reasonable cost and low operational maintenance-related expenses of the detector are ensured.
5) Vascular pulsations caused by the heartbeats do not affect the quality and diagnostic capabilities due to the fact that the scanning time is short and the exposure time does not last long.
2) The scattered radiation is deflected because the X-ray image receiver is a very narrow linear array X-ray sensitive detector.
3) The contrast sensitivity is substantially improved, not only due to the absence of influence of the scattered radiation, but also due to the absence of mutual influence between the neighboring image elements.
4) The reasonable cost and low operational maintenance-related expenses of the detector are ensured.
5) Vascular pulsations caused by the heartbeats do not affect the quality and diagnostic capabilities due to the fact that the scanning time is short and the exposure time does not last long.
UNIQUE FEATURES OF SCAN DR SYSTEM
1) It takes a maximum of 2.5 seconds and 5 seconds to do a chest and long body scan respectively.
2) As soon as scanning is done, the data processing and digital image acquisition take within 2 seconds.
3) Imaging can be fully customized to fit the diagnostic requirements.
4) Due to the fact that the picture is digital, it can be distributed quite easily.
5) Its technology produces minimal amount of X-ray scatter, thus further minimizing radiation exposure of patients and users.
6) Its instantaneous X-ray exposure greatly reduces motion artifacts, thus the patient does not need to be completely still while imaging.
7) Ease of operation allows non-specialized users to perform procedures and to administer only the lowest possible dose required to achieve the high quality results needed.
2) As soon as scanning is done, the data processing and digital image acquisition take within 2 seconds.
3) Imaging can be fully customized to fit the diagnostic requirements.
4) Due to the fact that the picture is digital, it can be distributed quite easily.
5) Its technology produces minimal amount of X-ray scatter, thus further minimizing radiation exposure of patients and users.
6) Its instantaneous X-ray exposure greatly reduces motion artifacts, thus the patient does not need to be completely still while imaging.
7) Ease of operation allows non-specialized users to perform procedures and to administer only the lowest possible dose required to achieve the high quality results needed.
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