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Medical linear accelerator seals Description
A medical linear accelerator is a high-end radiotherapy device, which is mainly used for radiation therapy of tumors. It works by speeding up electrons and directing them to specific parts of the patient's body to kill cancer cells or stop them from proliferating. The structure and principle of such equipment are relatively complex, involving several key components and systems.
Structural composition
Accelerometer: The main site of electron acceleration, where electrons are accelerated to close to the speed of light.
Electron gun: responsible for emitting electronic injections, is the core device of the electronic emission system.
Microwave system: It consists of a microwave power source and a microwave transmission system that provides the RF power required by the accelerator tube to establish an acceleration field.
Beam transport system: includes a focusing system, a guidance system, and a deflection system, which are used for beam focusing, guidance, and deflection of electrons during acceleration.
| Product name | Medical linear accelerator seals |
| Product material | Silicone, EPDM, NBR, FKM |
| Hardness (Shore A) | 20 to 90 |
| Applicable temperature °C | -50° to 260° |
| Color | Black, orange, blue, yellow, green, custom |
| Size | Standard/ Custom |
| Advantage | Prevents air and particulates from entering the vacuum system |
| Application | Dermatology laser surgery equipment |
| Certification | ISO: 9001, ISO: 14001, IATF: 16949 |
Frequency stabilization, temperature control, and inflation system: ensure the stable operation of the microwave system and accelerate the vacuum state in the tube.
Vacuum system: Maintain a high vacuum state in the electronic motion area and in the accelerator tube to avoid cathodic poisoning of the electron gun, the moon or filament oxidation of tungsten filament material, and the breakdown of the discharge in the accelerator tube.
Treatment head: Directs accelerated radiation into the patient's body for treatment.
Treatment table: Used to support the patient and adjust their position to ensure the accuracy of the treatment.
Applications of seals
In medical linear accelerators, seals play a vital role. They are mainly used to isolate the external environment and ensure the proper operation of the vacuum system. Seals are typically installed between the various components of the vacuum chamber, such as flanges and joint joints, to prevent air and particulates from entering the vacuum system. These seals must be able to withstand high vacuum environments while having good chemical stability and abrasion resistance. In some designs, seals may also need to withstand high temperatures and radiation environments, thus placing higher demands on material selection and design.
Maintenance & Maintenance
Repair and maintenance of linear accelerators are critical to ensure proper operation and extend the life of the equipment. Routine maintenance includes checking the tightness of the vacuum system to ensure there are no leaks, as well as replacing the seals regularly to prevent aging and wear. In addition, the vacuum level of the vacuum system needs to be monitored to ensure that it is maintained at the required level to guarantee the accuracy and effectiveness of the treatment.
With the rapid development of medical linear accelerator technology, radiotherapy technology has developed from ordinary radiotherapy to today's intelligent radiotherapy with the application of modern artificial intelligence technology. This not only improves the precision of the treatment but also provides the patient with better treatment options.
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