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X-ray machine introduction

Author : Yuesen Med

Update time : 2015-04-22 08:00:00

x-ray machine is a device to generate X-rays, which is mainly composed of X-ray tube and an X-ray power supply component, while the X-ray tube and a cathode filament (Cathod) and anode target (Anode) and a vacuum glass tube, X-ray power supply High voltage and filament can be divided into two parts, power.

x-ray machine of the physical effects:

1.X-ray machine Function

High frequency inverter technology with low-dose exposure to obtain high-definition video, high-power, high kV, mA load large output to meet the needs of the body photography, short transient exposure, eliminate motion artifacts, easily capture image information, APR functions to achieve different anatomical imaging condition easily select, select the ionization chamber AEC automatic control functions to achieve photographic exposure.

A, x-ray radiation output stable

High slope and low output voltage ripple, high power, high kV, short photography, can effectively reduce the internal organs caused by the imaging blur peristaltic, greatly improve the image quality.

B, x-ray machine high quality X-ray

DC component is high, the imaging time is short; high exposure accuracy, repeatability imaging with minimal dose to obtain clear images and rich clinical diagnostic information.

C, x-ray machines effectively reduce radiation damage

Significantly reduce the stray rays reduce radiation intensity subjects and operators, the same projection conditions, lower than the frequency machine skin dose by 60%.

D, x-ray machines to achieve computer control

High degree of automation, automatic control functions expand, more convenient operation, strong system expansion upgrade capability, the generator is smaller than traditional power frequency, higher efficiency, and significantly reduced void rays.

2.X-ray machine Classification and Scope:

Medical x-ray machines used in hospitals for diagnostic X-ray intervention, chest X-ray, film, gastrointestinal barium meal, double contrast barium, check gastrointestinal disease, colon disease inspection, examination of urinary tract disease, biliary tract "T" type angiography, Check the hepatobiliary situation.

Medical x-ray machine can be divided according to the intended use diagnostic and therapeutic x-ray machine x-ray machines into two categories

A.diagnostic x-ray machine

1, according to the structure:
(1) a portable x-ray machine (2) mobile x-ray machine (3) fixed x-ray machine

2, according to the output power divided:

A, a small x-ray machine: tube current 50 mA, the maximum tube voltage is 90 kV;

B, neutral X-ray machine: 100,400 mA tube current, the tube voltage of 100 kV up to 125 kV or;

C, large X-ray machine: the maximum tube current of 500 mA or more tube voltage 125 kV or 150 kV;

3, according to the scope of points (1) integrated x-ray machine (2) special x-ray machine

B.the treatment of x-ray machines

1, contact: therapeutic ill skin surface or shallow body cavity. 10 kV to 60 kV;

2, surface treatment machine: quality large area of the patient's skin or superficial. 60 kV to 140 kV;

3, deep therapy machine: deep tissue therapy patients, 180 kV to 250 kV.

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