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What Is an X-Ray Collimator? Definition, Functions & Applications

In X-ray equipment, a collimator (also known as a beam light device or beam limiter) is one of the indispensable core components. As a key accessory for X-ray inspection equipment, its performance directly affects imaging quality and radiation safety. Below is a detailed explanation of the collimator’s core information and our product advantages.

I. Core Definition & Positioning of Collimators

A collimator is a specialized accessory installed on X-ray machines. Its core function is to simulate the radiation area of X-rays during positioning, achieving dual value through precise control of the irradiation range: on the one hand, it reduces unnecessary radiation doses for patients to ensure diagnostic and therapeutic safety; on the other hand, it optimizes imaging results and improves image clarity to provide reliable support for diagnosis.

II. Three Core Functions of Collimators

  • Precisely control the irradiation field: The core function is to regulate the irradiation range of the X-ray tube’s output line. On the premise of meeting imaging and diagnostic needs, it minimizes the projection range to avoid radiation exposure to non-examined parts of the patient, reducing radiation doses at the source.
  • Enhance image clarity: It can absorb some scattered rays, reduce the interference of scattered rays on imaging, significantly improve image contrast and clarity, and provide high-quality imaging support for doctors to accurately judge conditions.
  • Positioning and indication function: It can clearly indicate the projection center and the size of the projection field, helping operators quickly and accurately position, thereby improving diagnostic efficiency.

III. Main Types of Collimators

According to the operation method, collimators are mainly divided into two categories to meet the needs of different diagnostic scenarios:
  • Manual collimators: Realize irradiation field control through manual adjustment, with a simple structure, suitable for scenarios with moderate requirements for operation accuracy.
  • Automatic collimators: Precisely adjust the irradiation field relying on an automated system, featuring convenient operation and higher accuracy, suitable for diagnostic scenarios with high requirements for positioning efficiency and precision.

IV. Advantages of Our Collimator Products

As a professional manufacturer integrating R&D, production, and sales, our collimator products have a rich variety and strong compatibility, perfectly adapting to three types of X-ray equipment: portable X-ray machines, mobile X-ray machines, and stationary X-ray machines. They can meet the diverse needs of different medical institutions and diagnostic scenarios.

Contact Us

If you need collimators or related X-ray equipment accessories, please feel free to contact us for customized solutions!
Consultation Hotline: +86 19953639012

Post time: Dec-04-2025