TECHNICAL PRODUCT INFORMATION

Luma Guidewire

Precision at the Core of Minimally Invasive Procedures

Guidewires are essential for navigating complex vascular pathways during minimally invasive procedures. The performance of the wire directly impacts control, flexibility, and patient safety.

Luma’s fine wires are used in guidewires for stents and catheters and are engineered to deliver an optimal balance of strength, flexibility, and radiopacity, ensuring reliable navigation and precise positioning in demanding medical environments.

Specifications

  • Diameter range: 60–120 µm
  • Tight tolerances for high-precision applications
  • Available cut-to-length or in continuous lengths

Core Materials

  • Tungsten

Surface Treatment

  • Electropolishing
    • Edged
    • Polished

Plating Options

  • Gold

How Tungsten Wire Enhances Guidewire Performance

In guidewire applications, material choice directly impacts visibility, control, and overall performance. Tungsten plays a critical role in solving several key challenges in minimally invasive procedures.

Enhanced Visibility Under Fluoroscopy

Accurate positioning is essential when navigating complex vascular pathways.

  • High density enables excellent radiopacity, making the guidewire clearly visible under X-ray
  • Used in marker bands and coils, especially at the tip, for precise positioni
  • Supports safer procedures and improved clinical outcomes

Improved Torque Control and Navigation

Guidewires must respond precisely to the physician’s movements.

  • High stiffness and strength enable efficient torque transmission
  • Enhances control when navigating narrow and tortuous vessels
  • Supports predictable and responsive handling

Improved Torque Control and Navigation

Miniaturization is critical in modern medical devices.

  • Tungsten enables extremely fine wire diameters while maintaining structural integrity
  • Supports thinner guidewire designs without compromising performance
  • Enables greater flexibility in advanced device development

Enhanced Radiopacity with Gold-Plated Tungsten

For applications requiring maximum visibility, gold-plated tungsten wires provide an additional level of performance.

  • Gold plating further enhances radiopacity, improving visibility under fluoroscopy
  • Enables clearer distinction and more precise positioning
  • Combines tungsten’s mechanical strength with optimized surface properties
  • Supports advanced designs where both visibility and performance are critical

High-Temperature Stability for Advanced Manufacturing

Tungsten’s extremely high melting point (3,422 °C) is not only a material property, it is a key advantage in the manufacturing of high-performance guidewires.

It enables precise, reliable processing without compromising the wire’s mechanical integrity.

Guidewires often combine multiple materials, such as tungsten tips with stainless steel or nitinol cores.

  • Withstands high-intensity laser welding without deformation
  • Enables strong, precise micro-joints
  • Maintains mechanical properties near the weld zone
  • Supports precise coil formation without material degradation

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Download our technical overview of ultra-fine wire solutions

Gold-plated, polished and clean metal wires for demanding technical applications.

Luma wire tech, ultra-thin wire technology and wire plating expertise.

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Our team support demanding wire applications.