Collimator System for Radiation Therapy Simulators

Product Specifications

Technical details and manufacturing context for Collimator System

Definition

The Collimator System is a critical component of a Radiation Therapy Simulator, designed to precisely collimate and shape X-ray or radiation beams to match the treatment area. Its primary function is to ensure accurate targeting of the tumor or treatment region while minimizing exposure to surrounding healthy tissues. The system consists of adjustable lead or tungsten shutters that define the beam's size and shape, allowing for precise control over the radiation field.

This component is part of the machinery and equipment manufacturing sector, specifically within medical imaging and therapy equipment. It operates by using movable high-density metal leaves or jaws, typically made of lead or tungsten, which are mechanically or digitally adjusted to create an aperture. This aperture blocks unwanted radiation, permitting only a beam of specific dimensions and shape to pass through, corresponding precisely to the treatment area being simulated.

The system is available with a range of parameters that must be verified for the specific model and application. These include aperture size (10–50 mm), number of slits (8–64), angular range (0–360°), positioning accuracy (±0.05 mm), repeatability (±0.02 mm), maximum rotation speed (30–60 rpm), operating temperature (10–40 °C), relative humidity (20–80% non-condensing), ingress protection (IP54–IP65 per IEC 60529), material (tungsten or stainless steel per ASTM B777), weight (15–60 kg), and supply voltage (24 V DC ±10%). These values are reference ranges and must be confirmed with the legal manufacturer or supplier for the intended application.

As a neutral directory, CNFX does not manufacture or sell this product. All specifications and standards listed are for procurement and verification purposes only. It is essential to verify model-specific values and standards with the legal manufacturer or supplier before purchase or integration.

Working Principle

The Collimator System uses movable high-density metal leaves or jaws, typically made of lead or tungsten, which are mechanically or digitally adjusted to create an aperture. This aperture blocks unwanted radiation, allowing only a beam of specific dimensions and shape to pass through. The aperture corresponds precisely to the tumor or treatment area being simulated, ensuring accurate targeting while minimizing exposure to surrounding healthy tissues. The system's positioning accuracy and repeatability are critical for beam alignment and consistent imaging.

Common Materials

Tungsten, Lead, Steel, Aluminum

Technical Parameters

Parameter	Typical range	Notes & selection driver
Aperture Size	10–50 mm	Determines field of view and resolution
Number of Slits	8–64	Higher counts improve spatial resolution
Angular Range	0–360 °	Full rotation for tomographic imaging
Positioning Accuracy	±0.05 mm	Critical for beam alignment
Repeatability	±0.02 mm	Ensures consistent imaging
Maximum Rotation Speed	30–60 rpm	Higher speeds reduce scan time
Operating Temperature	10–40 °C	Outside range may affect precision
Relative Humidity	20–80 %	Non-condensing
Ingress Protection	IP54–IP65	Protects against dust and water jetsIEC 60529
Material	Tungsten, Stainless Steel	Tungsten for radiation shieldingASTM B777
Weight	15–60 kg	Affects installation and gantry load
Supply Voltage	24 ±10% V DC	For motor and control electronics

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Collimator Jaws
Primary beam-shaping elements that define rectangular field boundaries

Material: Tungsten
Multi-Leaf Collimator (MLC)
Array of individually movable leaves for complex field shaping

Material: Tungsten
Drive Mechanism
Motorized system for precise leaf positioning

Material: Steel, Aluminum
Control System
Electronic controls for leaf movement and positioning

Material: Electronic components, Plastic
Mounting Frame Part
Structural support and alignment system

Material: Steel, Aluminum

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Radiation Therapy Simulator

View system integration details

Manufacturers of Collimator System

Manufacturer profiles associated with Collimator System.

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Frequently Asked Questions

What is the primary function of a collimator system in a radiation therapy simulator?

The primary function is to precisely shape and direct the radiation beam to match the treatment area, ensuring accurate targeting of the tumor while minimizing exposure to surrounding healthy tissues.

What materials are commonly used in the construction of the collimator system?

The system typically uses high-density metals such as lead or tungsten for the shutters, with other components possibly made of steel or aluminum. The material specification may reference ASTM B777 for tungsten.

What are the key parameters to consider when selecting a collimator system?

Key parameters include aperture size, number of slits, angular range, positioning accuracy, repeatability, maximum rotation speed, operating temperature, relative humidity, ingress protection, material, weight, and supply voltage. These must be verified for the specific model and application.

How should I verify the specifications of a collimator system?

Always confirm model-specific values and standards with the legal manufacturer or supplier. The listed parameters and standards are reference ranges and must be validated for your intended use.

Data Basis

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Preliminary Technical Classification

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pressure:	Atmospheric to 1.5 bar
other spec:	Beam divergence: 0.1-5 mrad, Alignment tolerance: ±0.05 mm
temperature:	-10°C to +40°C

Collimator System

Product Specifications

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