What is a composite catheter?

Composite catheter is a medical catheter made of two or more different materials that have been combined with each other through lamination or other processes to provide a combination of performance and functionality not possible with a single material. These materials can be plastics, rubber, metals, fibers, or other high-performance materials. Composite catheters are typically used in medical applications that require a combination of strength, flexibility, chemical resistance, and other specialized features.

Features and Benefits

  • Structural Properties: Composite catheters can be designed to provide enhanced strength and stiffness at specific locations, such as at the distal or proximal ends of the catheter.
  • Functional materials: Layers of materials with special functions can be integrated, such as layers for drug delivery or layers containing bioactive components.
  • Customized design: Catheters can be customized in size, shape and function to meet clinical needs and applications.
  • Durability: Composites can increase the wear resistance and durability of the catheter, thereby extending its lifespan.
  • Biocompatibility: Biosafety requirements for clinical use can be met through the use of specific biocompatible materials.

Application Examples

  • Cardiac catheters: Catheters used in cardiac interventional procedures may require a high degree of flexibility in the tip area to allow passage through complex vascular pathways, as well as greater support in the handle section to transmit manipulation forces.
  • Neurointerventional catheters: Catheters used for neurointerventional procedures require a high degree of precision and flexibility, and may need to incorporate special sensors to monitor conditions in the treatment area.
  • Urinary tract catheters: may need to have an antimicrobial coating on the inner layer to reduce the risk of infection, while the outer layer needs to be strong enough to prevent folding or damage.

CatheterMelt hot air laminator suits for composite catheter production.

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