PTFE Liner
PTFE (polytetrafluoroethylene) is a synthetic fluoropolymer that is used as a liner in catheters due to its unique properties. PTFE has a very low coefficient of friction and is a highly durable material with excellent tensile strength. Catheter liners made of PTFE can withstand the stresses of use in medical devices and resist breaking or tearing.
PTFE is used as a liner in catheters because it provides a smooth, low-friction surface that helps reduce the risk of infection and tissue damage. They are also biocompatible so that most people won’t experience an allergic reaction or any negative response.
Features
Dip coating process:- Supplied in rolls, can be used for subsequent continuous production, low manufacturing cost of post-process
- The ultra-thin design improves lubricity, minimizing damage and irritation to surrounding tissues during medical instrument insertion and withdrawal.
- The outer layer can be covered with polymer materials, long shelf life, good bonding effect
Applications
- Guiding Catheters
- Deflectable Catheters
- Steered Catheters
- Device delivery systems
Technical Parameters
- Mandrel outer diameter: 0.010”~ 0.137”
- Minimum wall thickness: 0.0005”~ 0.002”
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Peelable Tube
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Guiding Catheter
Guiding catheters are typically composed of biocompatible materials such as polyurethane or nylon, chosen for their flexibility, durability, and compatibility with bodily tissues. The catheter shaft is reinforced with braided or coiled wires to provide structural support and torqueability while maintaining flexibility for navigation through tortuous vascular anatomy. Soft, atraumatic tips minimize trauma to blood vessels during insertion and positioning. Radiopaque markers or bands incorporated into the catheter shaft enhance visibility under fluoroscopy or other imaging modalities, allowing for precise navigation and positioning during procedures. Demax’s guiding catheters are engineered with advanced materials and design features to optimize performance and safety, ensuring successful outcomes in a wide range of interventional procedures.
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POM
In the context of medical devices, POM tubing is frequently employed as a core wire due to its exceptional properties. Characterized by its high hardness, POM tubing serves as a robust support structure within various medical instruments and devices. Its rigidity and durability make it well-suited for this role, providing stability and reinforcement to delicate components.
Moreover, POM tubing’s super smooth surface finish facilitates seamless movement within devices, ensuring smooth operation and minimal friction. This attribute is particularly advantageous in applications where precise control and maneuverability are essential, such as catheterization procedures or endoscopic interventions.
