Common Sizes and Shapes of Tungsten Alloy Shielding Components in Medical Applications

The sizes and shapes of tungsten alloy shielding components in the medical field vary depending on the specific application, radiation protection requirements, and operational environment. Below are the common categories of shapes and dimensions for medical tungsten alloy shielding components:

  1. Common Shapes

(1) Plate-Shaped

  • Characteristics: Flat structure with uniform thickness.
  • Applications:
    • Shielding plates for X-ray machines and CT scanners, covering large radiation sources.
    • Radiation protection layers for walls or floors in radiology departments.
  • Typical Dimensions:
    • Length: 50 mm to 1000 mm.
    • Width: 50 mm to 500 mm.
    • Thickness: 2 mm to 50 mm (adjustable based on radiation energy and protection needs).

(2) Tube-Shaped

  • Characteristics: Hollow cylindrical or square structures.
  • Applications:
    • Containers for shielding radioactive isotopes in nuclear medicine.
    • Radiation source enclosures for radiation therapy equipment.
  • Typical Dimensions:
    • Inner Diameter: 10 mm to 100 mm.
    • Wall Thickness: 2 mm to 20 mm.
    • Height: 50 mm to 300 mm.

(3) Shell-Shaped

  • Characteristics: Box-like or shell structure, may include openings or movable parts.
  • Applications:
    • Injection shielding shells in nuclear medicine, used for syringes containing radioactive drugs.
    • Radiation source shielding containers.
  • Typical Dimensions:
    • Volume: 50 mL to 500 mL.
    • Wall Thickness: 3 mm to 10 mm.

(4) Block-Shaped

  • Characteristics: Solid cubic or regular shapes.
  • Applications:
    • Portable radiation shielding devices.
    • Temporary radiation barriers in radiology departments.
  • Typical Dimensions:
    • Edge Length: 20 mm to 200 mm.
    • Weight: 1 kg to 20 kg.

(5) Complex Geometries

  • Characteristics: Custom, irregular shapes designed according to equipment specifications.
  • Applications:
    • Parts of multi-leaf collimators in radiotherapy equipment.
    • Shielding components in precision imaging devices.
  • Typical Dimensions: Custom-designed per equipment needs, with precision up to ±0.1 mm.
  1. Design Considerations for Dimensions
  • Radiation Energy: Higher energy radiation requires thicker shielding material.
  • Device Type: Portable devices typically need smaller, lighter shielding components, while fixed devices focus on comprehensive protection.
  • Operational Convenience: For example, injection shielding shells need to fit standard syringes and allow for easy operation by medical staff.
  1. Specific Application Dimension Examples

(1) Nuclear Medicine Injection Shielding Shell

  • Outer Diameter: 30 mm to 50 mm.
  • Length: 80 mm to 150 mm.
  • Wall Thickness: 3 mm to 6 mm.

(2) Multi-Leaf Collimator

  • Each Leaf:
    • Length: 50 mm to 200 mm.
    • Thickness: 2 mm to 10 mm.
    • Weight: 200 g to 2 kg.

(3) Radiation Source Shielding Container

  • Internal Volume: 100 mL to 500 mL.
  • Wall Thickness: 5 mm to 15 mm.

(4) Portable Shielding Components

  • Dimensions: 100 mm × 100 mm × 50 mm.
  • Weight: 5 kg to 10 kg.
  1. Customization Capabilities

Tungsten alloy shielding components can be customized to meet the specific needs of medical devices, including:

  • Embedded shielding components.
  • Miniature radiation protection devices.
  • Non-standard geometric shielding parts.

Conclusion

Tungsten alloy shielding components in medical applications come in various shapes, including plate-shaped, tube-shaped, shell-shaped, block-shaped, and complex geometries. Their dimensions are optimized based on radiation protection requirements, device type, and ease of operation, ensuring effective and precise radiation shielding in medical settings.

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