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Specially designed for seamless welding of precision plastic components, with a small heat affected ...

Laser Welding for Medical Catheter Connectors

Date：2026-03-20 14:36 Source：daokedao Browse：6

Medical catheter connectors link catheters to fluid delivery systems or diagnostic equipment, requiring leak-proof seals, biocompatibility, and smooth surfaces. These connectors are made of medical-grade plastics like PE and PTFE, demanding a welding process that does not damage the catheter’s inner lumen. Traditional welding methods may produce internal burrs that damage blood vessels or tissue, while adhesive bonding may fail under fluid pressure. DaokeDao laser welding provides internal-burr-free welds (internal burr ≤0.02mm) that ensure smooth fluid flow and patient safety. The non-contact process forms a leak-proof seal (leakage rate ≤0.003ml/min at 0.3bar) that withstands fluid pressure. It meets ISO 10993 biocompatibility standards, avoiding chemical leaching. Our systems feature micron-level positioning accuracy (±0.005mm), enabling precise welding of small-diameter connectors (down to 0.8mm diameter). They support high-volume production (up to 140 units/hour), helping medical device manufacturers improve connector reliability and patient safety.

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