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Focuses on the research and development, manufacturing, and technical services of industrial cleaning equipment
Medical devices
Application of industrial ultrasonic cleaning equipment in the clean processing of medical device production (parts processing guide from post-machining to pre-assembly)
I. Post-machining parts cleaning
Application scenarios: Metal parts after cutting/stamping/casting, etc.
Typical pollutants:
- Cutting fluid residue (mineral oil, emulsion)
- Metal debris (iron, titanium, stainless steel particles)
- Heat treatment oxidation layer
Cleaning solution:
Three-tank cleaning system:
- Tank 1: 40kHz ultrasonic + alkaline degreasing agent (pH 10.5) to remove heavy oil stains
- Tank 2: 80kHz ultrasonic + deionized water rinsing
- Tank 3: Pure water ultrasonic + rust inhibitor
II. Precision injection molded parts cleaning
Application scenarios: High-polymer material instrument components (catheter connectors, sensor housings, etc.)
Typical pollutants:
- Release agent residue (silicone oil, wax)
- Dust pollution
- Electrostatic adsorption particles
Cleaning solution:
1. Low-temperature precision cleaning process:
- 60kHz medium-frequency ultrasonic + non-ionic surfactant (40℃ constant temperature)
- Carbon dioxide snow cleaning (dry electrostatic dust removal)
2. Material protection measures:
- Temperature sensitive alarm system (±1℃ control accuracy)
- Polycarbonate-specific neutral cleaning agent
Target effect:
- Release agent residue <5μg/cm² (GC-MS detection)
- Surface resistance >10^12Ω (meets ISO 10993-10 anti-static requirements)
III. Pre-sterilization cleaning
Application scenarios: Final product cleaning before ethylene oxide/radiation sterilization
Process objectives:
- Eliminate organic matter interference (ensure sterilization effectiveness)
- Control initial bioburden
Cleaning solution:
1. Bio-cleaning integrated system:
- Enzyme cleaning agent decomposes protein residue (40℃ activation)
- 132kHz high-frequency ultrasonic inactivation of airborne bacteria
- Terminal 0.1μm ultrafiltration water rinsing
IV. Final treatment of implant surfaces
Application scenarios: Pre-shipment treatment of orthopedic/dental implants
Process requirements:
- Remove polishing media (aluminum oxide/diamond paste)
- Form a stable passivation film
- Ensure biocompatibility
Cleaning solution:
1. Four-level gradient treatment system:
- Ultrasonic cavitation stripping polishing residue
- Electrochemical passivation treatment (compliant with ASTM F86)
- Medical pure water ultrasonic activation
- Vacuum drying (dew point -45℃)
2. Surface integrity assurance:
- Laser confocal microscopy online monitoring
- Surface roughness control Ra 0.05-0.2μm
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