top of page
Glossary Term

Hydrophilic Coating for Devices

Definition

A hydrophilic coating is a specialized surface treatment applied to medical devices to make them water-attractive and reduce friction between the device and surrounding tissue or fluids. These coatings are commonly used on devices like catheters, guidewires, and endoscopes to improve maneuverability, reduce patient discomfort, and minimize tissue damage during procedures.

Relevance to the MedTech Industry

Hydrophilic coatings enhance the performance and safety of medical devices used in minimally invasive procedures by providing lubricity and reducing friction. This feature is critical for ensuring the efficacy and comfort of devices in vascular, urological, and gastrointestinal applications.

Additional Information & Related Terms

Examples of Applications

  • Catheters: Hydrophilic coatings reduce friction during insertion, improving patient comfort in urological and vascular applications.

  • Guidewires: Coated guidewires improve maneuverability through tortuous blood vessels in cardiovascular procedures.

  • Endoscopes: Enhances smooth insertion and navigation in gastrointestinal or bronchoscopic procedures.

  • Balloon Catheters: Provides lubricity during dilation procedures, minimizing vascular damage.

Key Features of Hydrophilic Coatings

  1. Lubricity: Significantly reduces friction when in contact with fluids, easing device insertion and navigation.

  2. Biocompatibility: Designed to minimize adverse tissue reactions or complications during and after use.

  3. Durability: Retains functionality during the device’s operational life, even under challenging conditions.

  4. Customization: Can be tailored to specific devices or procedures based on material properties and performance needs.

Related Terms

  • Biocompatibility Testing: Ensures that coatings do not cause adverse biological effects.

  • ISO 10993: Governs testing for the safety of medical device materials, including hydrophilic coatings.

  • Minimally Invasive Surgery: Hydrophilic coatings are critical in devices used for these procedures.

  • Sterilization Compatibility: The ability of coatings to withstand sterilization methods without degradation.

bottom of page