Description

Summary of Core Parameters and Functions of Digital Radiography (DR) System

This document specifies the complete technical specifications of a 20kW Digital Radiography (DR) System, covering core components including X-ray generator, X-ray tube, flat panel detector, collimator, grid, radiography table, column stand and workstation. All components feature high parameter matching, integrated intelligent protection, flexible operation and high-definition imaging performance. It is suitable for clinical routine radiological diagnosis scenarios, supports PACS system integration, and meets the digital imaging diagnosis and treatment needs of medical institutions.

I. Technical Parameters of Core Hardware Components

1. X-ray Generator

1. Output power: 20kW; Voltage range: 40-125kV; Current range: 10-320mA; mAs range: 0.1-320mAs
2. Exposure time: 0.002~6.3S; Equipped with APR program control function
3. Protection: Built-in intelligent self-protection system, which automatically alarms and allows fault code inquiry in case of malfunctions

2. X-ray Tube

1. Anode rotation speed: 2800rpm at 50Hz, 3000rpm at 60Hz; Focal spot size: 1.0/2.0 (dual focus)
2. Thermal performance: Anode heat storage capacity: 150KHU; Maximum anode heat dissipation: 475W; Housing heat storage capacity: 900kJ (1250kHU)
3. Maximum withstand voltage matches the generator specifications; Anode type is adapted to 10-320mA operating current

3. Wired Flat Panel Detector (Core Imaging Component)

1. Type: Amorphous silicon detector with Cesium Iodide scintillator; Active imaging area: 17×17Inch (43cm×43cm)
2. Pixel parameters: 3072×3072 active pixels; Pixel pitch: 139μm; A/D Conversion: 16bits
3. Imaging performance: DQE≧70%; Spatial Resolution: 36Lp/cm; Image acquisition time: ≤2S, featuring high-definition and fast imaging

4. Collimator and Grid

1. Collimator: Manual type; Max. window: 440mm×440mm (SID=100cm); Light source: LED, equipped with AC/DC24V, 5W lamp set and 30S automatic illumination timer; Inherent filtration: 1.0mmAl
2. Grid: Densities: 40LP/CM; Ratios: 10:1; Size: 18”×18”; Focal distance: 100cm (Radiography table), 180cm (Bucky stand)

5. Radiography Table

1. Tabletop specification: 2100mm×800mm×60mm; Maximum load-bearing: 300KG, suitable for examinations of patients with different body types
2. Tabletop movement: Floating front/back: 120mm each; Floating left/right: 380mm each, with flexible operation for accurate positioning of examination sites

6. Column Stand (Tube Stand + Bucky Stand)

1. X-ray Tube Stand: Vertical movement relative to radiography table: 28~128cm; Horizontal movement: 78.5~157cm; Stand rotational angle: +180°～-180°; Tube rotational angle: ±90°, adapted for multi-position shooting
2. Bucky Stand: FPD cassette vertical movement: 4~174cm, suitable for patients of different heights and various examination sites

II. Configuration and Functions of Imaging Workstation

1. Hardware Configuration

Equipped with Dell 23’’ LCD professional monitor; CPU≥2.8GHz; Memory≥4GB; HDD≥1TB, the hardware performance meets the needs of image processing and storage

2. Software and Functions

1. Compatible with DICOM3.0 protocol, support query for integration with any PACS system, and allow image data import/export
2. Integrated full-process functions: image information management, patient information management, image post-processing, professional measurement and analysis, etc., realizing integrated diagnostic operation

III. Core Product Features

1. Excellent Imaging Performance: 16-bit high-resolution detector with 36Lp/cm high spatial resolution and DQE≧70% ensures clear imaging that restores fine tissue structures; The acquisition time of ≤2S improves examination efficiency
2. Flexible and Convenient Operation: Multi-directional floating of the radiography table, large-angle rotation of the stand/tube, and wide-range movement of the detector and tube stand enable accurate multi-part and multi-position shooting of the human body
3. Intelligent Safety Protection: The built-in self-protection system provides real-time fault monitoring, automatic alarm and fault code inquiry, effectively reducing equipment operation risks and ensuring the safety of medical staff and patients
4. High Compatibility and Scalability: Compliant with the DICOM3.0 standard, it can be seamlessly connected to hospital PACS systems to realize digital storage, transmission and sharing of imaging data, adapting to the digital construction of medical institutions
5. Stable and Reliable Operation: The components are designed with high thermal performance and reasonable parameter matching, and the equipment has strong load-bearing capacity and stable operation, meeting the continuous examination needs of clinical routine work