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Laser Quenching equipment

Perform phase transformation hardening treatment on the metal surface to improve the hardness, wear ...

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Used for surface strengthening, repair, and remanufacturing of components, the coating has high adhe...

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Flexible processing of complex curved sheet metal parts, with high cutting accuracy, fast speed, and...

Plastic Laser Welding equipment

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

Laser Welding for Medical Disposable Biopsy Needle Housings

Date：2026-04-15 09:49 Source：daokedao Browse：43

Disposable biopsy needle housings protect internal needles and control mechanisms, requiring sterility, biocompatibility, and firm connection, ensuring precise tissue sampling and avoiding needle contamination. Traditional mechanical assembly has loose fit, leading to needle movement and sample contamination, while ultrasonic welding generates particles that interfere with biopsy results. DaokeDao plastic laser welding adopts a non-contact, particle-free process, suitable for medical-grade PP and PC materials, fully complying with ISO 10993 biocompatibility and USP Class VI standards. The laser achieves ±0.005mm high-precision positioning, forming a seamless, hermetic weld (leakage rate ≤1×10⁻⁹ mbar·L/s), blocking bacteria and debris intrusion. The heat-affected zone ≤0.2mm, avoiding material deformation and needle damage, ensuring precise sampling. The equipment is cleanroom-compatible (ISO 7), with HEPA filtration, cycle time 6-8 seconds per unit, production capacity 150 pieces per hour, pass rate ≥99.6%. It helps medical device manufacturers improve biopsy safety and diagnostic accuracy, complying with FDA 21 CFR Part 820.

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