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ISO9001 Injection Mold for Medical Plastic Products ABS Material

Precision injection-molded medical components refer to high-accuracy plastic parts tailored for healthcare scenarios (diagnostics, surgery, treatment, etc.). They are critical for medical device functionality, safety, and patient compatibility, with strict requirements for dimensional precision, biocompatibility, and regulatory compliance.
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  • YIXUN mold

  • 8480419090

Precision Injection-Molded Medical Components

Precision injection-molded medical components refer to high-accuracy plastic parts tailored for healthcare scenarios (diagnostics, surgery, treatment, etc.). They are critical for medical device functionality, safety, and patient compatibility, with strict requirements for dimensional precision, biocompatibility, and regulatory compliance.

Common Product Types

These components cover a wide range of medical applications, typical examples include:
  • Diagnostic device parts: Microfluidic chips (for in vitro diagnostics), reagent cartridge components, test tube connectors.

  • Surgical & treatment accessories: Infusion set connectors, dental implant abutment sleeves, catheter guide components.

  • Medical equipment components: Ventilator valve parts, monitor housing structural components, insulin pump precision fittings.

  • Disposable medical supplies: Sterile syringe plungers, blood collection tube seals, wound dressing fixators.

Core Process Highlights of Precision Injection Molding (Medical-Specific)

Compared to general injection molding, medical components require stricter process control:
  1. Ultra-precision mold development
    • Mold material: Use medical-grade stainless steel (e.g., S136H) with corrosion resistance, processed via 5-axis CNC (machining accuracy ≤±0.005mm) to ensure fitting precision of tiny structures (e.g., microfluidic channels).

    • Mold features: Integrate hot runner systems (to reduce material waste) and temperature-controlled cooling channels (to avoid component warpage).

  2. Biocompatible material selection
    • Exclusive use of FDA/ISO-approved materials: Medical-grade PP, ABS, PEEK, TPE, etc., which meet ISO 10993 (biocompatibility: no cytotoxicity, sensitization, or irritation) and USP Class VI standards.

    • Material preparation: Dry in a Class 8 cleanroom (to avoid contamination) and avoid any additives that may leach harmful substances.

  3. Strict injection molding parameters
    • Precision control: Melt temperature (190–240°C, material-dependent), injection pressure (60–100MPa), and holding pressure (20–40MPa) are fine-tuned to ensure dimensional accuracy (tolerance ≤±0.01mm for critical parts).

    • Cycle stability: Automated injection lines with real-time monitoring (temperature, pressure) to maintain consistency across 100k+ production cycles.

  4. Cleanroom production environment
    • Manufactured in ISO 14644-1 Class 7 (or higher) cleanrooms to prevent microbial/particulate contamination (critical for sterile components like syringe parts).

Key Regulatory Compliance

All components must meet global medical standards:
  • ISO 13485: Medical device quality management system (covers the entire process from mold design to production).

  • ISO 10993: Biocompatibility evaluation (tests for cytotoxicity, skin sensitization, and mucosal irritation).

  • FDA 21CFR §177: Food-contact & medical-contact plastic material safety.

  • CE MDR 2017/745: EU regulatory requirements for medical device components.

Core Advantages for Medical Scenarios

  • Sub-micron precision: Ensures seamless fitting of medical devices (e.g., microfluidic chips for accurate diagnostic results).

  • Sterility assurance: Compatible with gamma irradiation/EO sterilization (SAL ≥10⁻⁶) for disposable medical supplies.

  • Batch consistency: Reduces device failure risks caused by component dimensional variations.

high precision mold

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