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ORC-4200 Mammography



Features:

ORC-4200 mamography System is mainly used to acquire X-ray images of human breasts for clinical diagnosis. It is a film-based mammography system and proves to be an effective solution for breast diseases. 

ORC-4200 mammography system consists of the main body unit and the control console (see the picture of the system), including the key components of dual-focus X-ray tube, collimator, rotating anode starter and protection system, high-frequency and high voltage generator (frequency: 40KHz), tube filament heating system, breast compression device, supporting arm and other mechanical and electric devices.

X-ray tube is one of the major components which decide the breast image quality. ORC-4200 system uses a high power rotating anode of dual-focus tube with Mo target and Be window (bias dual-focus: 0.1mm/0.3mm) to ensure the clear images. The carbon-based bucky features high transmission rate, and high efficiency in blocking the scattered X-ray, which is also helpful for improving image quality. The automatic exposure control system is highly sensitive and quickly reactive, so the exposure is automatically adjusted according to the factures of age and thickness etc.

The test results of CIRS phantom are as follows:
Spatial resolution: 20Lp/mm
Density resolution: 1.19mm
Min. Calcification resolution: 130um.

The breast compression device is automatically controlled with three speeds. The ascending speed is high to reduce operation time. The descending speed is 1/2 of the ascending speed to prepare for pressing the breast. After getting in touch with the breast, it will automatically decrease its speed and impose pressure. This way the patient feels more comfortable. When the pressure reaches the preset level, it will automatically stop and the actual breast thickness and pressure will be displayed. If the pressing conditions are not proper, the operator may change it on the way until desired conditions are available.

Specifications:
High-voltage generator
High frequency: 40kHz
Max. Output power:5Kw
Voltage:22-35kVp
1Kv step
Max. current:100mA

X-ray Tube
Rotating Molybdenum (Mo)Anode
Beryllium (Be) Window
Bias Dual Focus Tube:0.1mm/0.3mm
Anode target in tilting angle:10 degrees
Max. Output: Small focus:120mAs
Large focus:400mAs
Motorized compression Device
Max. Pressure:18kg
Compression Mode:Dual speed compression, Quick release
Shift distance:268mm
Auto thickness measurement: Alphanumeric display

Main stand:
Automatic upwards and downwards movement
Max. shift distance:560mm

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