Procurement Summary
Country : China
Summary : High Voltage Generator
Deadline : 28 Jan 2022
Other Information
Notice Type : Tender
TOT Ref.No.: 61794555
Document Ref. No. : JH21-211000-04728
Competition : NCB
Financier : Self Financed
Purchaser Ownership : -
Tender Value : Refer Document
Purchaser's Detail
Name :Login to see tender_details
Address : Login to see tender_details
Email : Login to see tender_details
Login to see detailsTender Details
Tenders are invited for High Voltage Generator.
It is used in the digital flat-panel x-ray diagnosis system of human breast. The C-shaped arm can realize electric positioning.
2 Main technical specifications and requirements
2.1 High voltage generator
2.1.1 High voltage generator inverter frequency ≥41kHZ
2.1.2 Nominal power of high voltage generator ≥4.8kW
Maximum power of high voltage generator 5kW
2.1.3 Tube voltage adjustable range 20~49kV
2.1.4 Maximum mA ≥200mA
2.1.5 Minimum mAs ≤2mAs
2.1.6 Maximum mAs ≥600mAs
2.1.7 Multiple exposure control methods: fully automatic exposure AEC mode or manual exposure mode have
2.1.8 The fully automatic exposure AEC mode can be realized in three ways: (1) Standard mode; (2) Contrast priority mode; (3) Dose priority mode have
2.1.9 Integrated design of generator and frame have
2.1.10 The operation and control system of the generator is fully integrated with the host, and the exposure is controlled on the host workstation have
2.2 x-ray tube
2.2.1 The material of the anode target surface is tungsten rhenium alloy have
2.2.2 Tube small/large focus size ≤0.1/0.3mm
2.2.3 The target surface angle has a dual-angle exposure function, the large and small focus can automatically correspond to different target surface angles for exposure ≤10°/16°
2.2.4 Anode rotation speed ≥9000RPM
2.2.5 Anode heat capacity ≥300kHU
2.2.6 Heat capacity of pipe jacket ≥500kHU
2.2.7 Beam limiter type: electric, automatic adjustment have
2.2.8 Inherent filtration: 0.02mmAl have
2.2.9 Additional filter material: silver, rhodium have
2.3 Flat panel detector
2.3.1 Detector material Monocrystalline silicon
2.3.2 Detector size ≥23×29cm
2.3.3 High resolution acquisition matrix >4600×5800
2.3.4 Pixel size <50um
2.3.5 Collection gray scale ≥16bits
2.3.6 Spatial resolution ≥10.1 lp/mm
2.3.7 DQE ≥70%@ 0 lp/mm
2.3.8 Grid density ≥ 36 lp/cm
2.3.9 Effective grid ratio ≥5:1
2.4 Vertical photography rack
2.4.1 Source image distance ≥70cm
2.4.2 The camera arm is a fully electric rotating C-arm, not an O-arm have
2.4.3 Can move up and down, rotate flexibly, isocenter rotation, angle memory, with one key in place, one key mirror function, the control key on the rack has at least 6 different operating positions for selection, easy to operate have
2.4.4 One key to next position, one key to symmetrical position function have
2.4.5 Protective mask have
2.4.6 C-arm vertical movement height range 65cm-148cm
2.4.7 C-arm rotation angle ≥+190°/-150°
2.4.8 Minimum scan time ≤5ms
2.4.9 Daily calibration of flat panel detectors have
2.4.10 Type of compression electric
2.4.11 Manual compression system, intelligent compression system have
2.4.12 Maximum compression force (electric) ≥200N
2.4.13 Compression plate type: conventional have
2.4.14 The compression plate can be disassembled and replaced separately have
2.4.15 Two compression plates and size specifications 18×24cm/24×29cm
2.4.16 Compression board movement mode: intelligent compression, manual adjustment have
2.4.17 Compression board decompression method: automatic decompression, manual decompression have
2.4.18 The compression plate supports emergency release and automatic release have
2.4.19 Compression plate circular fine-tuning electric knob have
2.4.20 The LCD at the bottom of the rack can display the boot interface when booting have
2.4.21 When loading a subject, the LCD screen at the bottom of the rack can automatically switch to the subject-s name interface and keep displaying until any movement occurs have
2.4.22 When the relative rotation button is pressed, the LCD display at the bottom of the rack can automatically switch to the angle interface; when the relative rotation angle is not 0 degrees, the relative rotation angle display and related icons and prompt information are added to the main interface have
2.4.23 2 pairs of foot brakes, and support the vertical lifting movement of the C-shaped arm and the compression control of the compression plate have
2.4.24 Both the frame and the workbench are equipped with a one-button emergency stop button have
2.4.25 There are lights on the rack that clearly indicate the left and right breasts, and the lights are available in at least three colors have
2.5 Image acquisition workstation
2.5.1 CPU frequency ≥3.4GHz
2.5.2 Mainframe workstation console memory ≥32GB
2.5.3 Host computer workstation console hard disk ≥7TB
2.5.4 Image file storage capacity ≥138000 frames
2.5.5 Display size ≥24 inches
2.5.6 Display resolution ≥1900×1200
2.5.7 Operating system: Windows system have
2.5.8 Basic functions of the operating software: DICOM standard-based patient registration, patient management, parameter setting, patient examination, image import, image display, image adjustment, digital filing, film printing management, etc. have
2.5.9 Color position map, can be used to remind each shooting part have
2.5.10 Basic image post-processing functions: overall image zoom, image movement, window width/window level adjustment, partial image magnification, region of interest zoom, image inversion, image flip/rotation, text input; image display supports multiple layouts have
2.5.11 Various exposure parameters can be displayed on the digital image, such as kV/mAs/compression force/compression thickness/dose/(exposure) scan time, etc. have
2.5.12 With the selection function of breast prosthesis implants have
2.5.13 Control method: shortcut function control box, mouse
Liaoyang Third People's Hospital obstetric capacity improvement construction project fault breast molybdenum target procurement project tender notice
[Disclaimer: The above text is machine translated. For accurate information kindly refer the original document.]
Documents
Tender Notice