Complex Catheter Extrusions

At Cirtec, we specialize in delivering custom extruded tubing tailored to the specific needs of your medical device with speed and precision.

Our in-house extrusion capabilities and access to in-stock extrusions allow us to quickly develop prototypes, helping you accelerate your path to clinical trials and full-scale production.

Whether you’re designing catheters for research, clinical use, or commercial manufacturing, we offer a variety of tubing configurations to meet the most demanding medical standards. Our sourcing team assists in investing and stocking the highest demand resins in order to meet quick extrusion turnarounds. Our sourcing team assists in investing and stocking the highest demand resins in order to meet quick extrusion turnarounds.

• Single-Lumen and Multi-Lumen Tubing - Available in a range of outer diameters and wall thicknesses, with tolerances as tight as 0.0005". Up to 12 lumens can be incorporated for advanced multi-lumen catheter systems
• Bump Tubing - Supports large-to-small diameter transitions with varying wall thicknesses, making it ideal for applications that require controlled flexibility and strength
• Monofilament - Thin, flexible tubing with precision tolerances, suitable for both diagnostic and therapeutic devices
• Profiled Extrusions - Custom shapes and profiles designed for specific device needs, with evenly distributed walls and precision tolerances

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Cirtec offers a wide range of medical-grade thermoplastics to meet the performance, flexibility, and biocompatibility requirements of your device. Some of the materials we work with include Pebax, Nylon, PTFE, and Polyimide. Additionally, we provide specialized lubricious additives such as Propell, Mobilize, Microspheres, and Everglide to optimize flexibility and ease of glide for your extruded tubing.

• Flexibility and Stiffness - Achieving the ideal balance between flexibility and stiffness is critical for medical devices like catheters and guidewires. Tubing must be flexible enough for patient comfort and easy navigation, yet stiff enough to maintain device stability and shape retention during procedures
• Pushability - For devices like stents and angioplasty catheters, tubing needs to provide excellent pushability to maintain control and accuracy. Stiffer tubing facilitates precise navigation through the body’s vessels, essential for complex interventional procedures
• Kink Resistance - Kinking can jeopardize device functionality and pose risks during procedures. Cirtec’s tubing is engineered to resist kinking, ensuring a smooth and unobstructed flow of fluids or gasses, which is critical for catheter-based systems
• Lubricity - A lubricious surface reduces friction between the tubing and bodily tissues, making it easier to navigate through the body’s pathways. This reduces patient discomfort and minimizes the risk of tissue damage or irritation during insertion and removal
• Lamination and Reflow Capabilities - By combining different materials, laminated tubing offers a balance of properties such as barrier protection, flexibility, and structural integrity that wouldn’t be possible with a single material

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Our material expertise allows us to offer medical OEMs a wide range of medical-grade extruded tubing options. We also provide custom types and blends for specific performance requirements. Our tubing meets stringent medical specifications and is available in both standard and custom configurations to suit your device's needs.

Single-Lumen Tubing

• Outside Diameter: 0.010" - 0.450”
• Wall Thickness: 0.001" - 0.075”
• Tolerances: As tight as 0.0005”
• Length: From 0.050" to continuous spool

Multi-Lumen Tubing

• Outside Diameter: 0.010" - 0.430”
• Wall Thickness: 0.001" - 0.075”
• Up to 12 lumens possible, with different lumen shapes available (slot, crescent, D-shape, oval)

Bump Tubing

• Large-to-small diameter transitions, with drawdown ratios up to 2.5:1
• Varying OD and ID, with constant or variable wall thickness

Monofilament

• Outside Diameter: 0.005" - 0.100”
• Length: From 0.050" to continuous spools

Profiled Extrusions

• Custom designs for specific applications, with tolerances of 0.001" to 0.003"