Ultrasonic Spray Coating Machine for Irregularly Shaped Tubes

Ultrasonic Spray Coating Machine for Irregularly Shaped Tubes

Medical irregularly shaped tubes are specialized precision instruments used in minimally invasive interventional procedures and medical equipment. Their core characteristic is a non-circular cross-section, which can be customized into various shapes such as rectangles, triangles, crescents, and plum blossoms according to clinical needs. Their core function is as an interventional channel, support structure, or fluid delivery carrier. With their unique cross-sectional design, they adapt to the complex cavities of the human body and the assembly needs of equipment, earning them the reputation of being “a powerful tool for customized medical device adaptation.” They are widely used in interventional departments, orthopedics, urology, endoscopy, and other departments, adapting to various scenarios such as minimally invasive interventional catheters, surgical instrument supports, endoscopic channels, and bone fixation. They directly affect the flexibility of instrument operation, clinical adaptability, and patient treatment safety, making them an indispensable customized core component in modern minimally invasive medicine. Medical-grade shaped tubes require extremely high levels of coating resistance, corrosion resistance, antibacterial properties, and adhesion. Cheersonic ultrasonic spraying machines offer professional spraying treatment, a key process for optimizing performance, overcoming inherent shortcomings, and meeting stringent clinical demands, showcasing Cheersonic expertise in medical precision tubing processing.

Medical-grade shaped tubes are classified as either Class II or Class III medical devices depending on their application. Tubes that intervene in human cavities or directly contact blood or tissues are classified as Class III medical devices and must strictly adhere to national medical device classification rules and related standards. Products must meet the requirements of the YY/T 0285 series industry standards, the ISO 10993 series biocompatibility standards, and the ISO 13485 medical device quality management system. They must pass multiple precision tests, including biocompatibility, coating adhesion, corrosion resistance, and dimensional accuracy. After ethylene oxide or radiation sterilization, the sterility assurance level must be ≤10⁻⁶. Single-use models must undergo standardized harmless treatment. The materials used for these tubes are mostly medical-grade PP, 316 stainless steel, and medical-grade silicone. Among these, 316 stainless steel shaped tubes are widely used in support applications due to their excellent corrosion resistance and mechanical properties. Medical-grade PP shaped tubes, due to their lightweight and high purity, are suitable for manufacturing disposable interventional catheters. However, raw shaped tubes still have shortcomings: irregular cross-sections can lead to uneven coatings; edges are prone to wear and corrosion; the surface is susceptible to bacterial growth, causing infection; and the high coefficient of friction at the junction with human tissue or equipment affects operational smoothness. Therefore, using a Cheersonic ultrasonic spraying machine for professional spraying has become a core step in ensuring the quality of medical shaped tubes.

Cheersonic ultrasonic spraying machines, with their core technological advantages of precise atomization, uniform film formation, non-destructive spraying, and high material utilization, are perfectly suited to the diverse cross-sections, sharp edges, and precise dimensions of medical tubes. They can accurately cover the inner and outer surfaces, edges, and joints of these tubes, meeting the needs for multi-functional coatings such as wear-resistant, antibacterial, anti-corrosion, and smooth coatings. This effectively solves the pain points of traditional spraying processes, such as uneven coating, edge buildup, and poor adhesion. The working principle involves using 50kHz-120kHz high-frequency ultrasonic vibration to atomize specialized medical wear-resistant coatings, silver ion antibacterial coatings, and anti-corrosion coatings into uniform micron-sized droplets with a particle size of 1-50μm. Employing a “soft landing” method, these droplets are precisely and uniformly deposited on the surface of the tubes, resulting in controllable and dense coating thickness with a fluctuation error of ≤±3%. This process preserves the mechanical properties, dimensional accuracy, and biocompatibility of the shaped tubing without affecting its customized fit and structural stability. It also comprehensively enhances its wear resistance, corrosion resistance, and antibacterial properties, meeting the core requirements of “precision, safety, and durability” for medical devices. Furthermore, it can be combined with plasma activation treatment to improve the adhesion of the coating to substrates such as stainless steel and PP, preventing coating peeling during use.

Cheersonic ultrasonic spraying machines employ a rigorous and standardized process for spraying medical shaped tubing, adhering to all relevant requirements for medical device production and precision tubing quality standards, while also considering the customized characteristics of the shaped tubing and the needs of clinical applications. The coating uses a medical-grade formula, is non-allergenic and non-cytotoxic, and meets the ISO 10993 series of biocompatibility standards, passing multiple tests including in vitro hemolysis and cytotoxicity. The anti-corrosion coating on the 316 stainless steel shaped tubes enhances their resistance to bodily fluids and disinfectants, extending their service life. The smooth coating on the PP shaped tubes reduces the surface friction coefficient, adapting to the needs of interventional cavity delivery. The silver ion antibacterial coating achieves an antibacterial rate of over 96%, effectively inhibiting the growth of pathogenic bacteria and reducing the risk of infection. Before coating, the shaped tube blanks undergo ultra-clean pretreatment to remove surface oil, impurities, and processing residues, followed by plasma activation treatment to enhance surface activity. During spraying, ultrasonic parameters are precisely adjusted to adapt to different cross-sectional shapes, ensuring no missed areas and no buildup. After spraying, low-temperature curing forms a stable functional layer, followed by rigorous testing and sterilization packaging.

Medical-grade irregularly shaped tubes treated with Cheersonic ultrasonic spraying exhibit significantly improved overall performance. The coating evenly covers all cross-sections and edges, with no accumulation or missed areas, providing excellent wear and corrosion resistance. It can withstand bodily fluid erosion and instrument friction, extending its service life. The surface exhibits excellent antibacterial properties, effectively reducing the incidence of clinical infections. The coating has strong adhesion, showing no peeling after simulated clinical conditions testing, and does not affect the dimensional accuracy or mechanical properties of the irregularly shaped tubes. Compared to traditional spraying processes, Cheersonic ultrasonic spraying achieves a material utilization rate of over 90%, eliminating splatter waste. It can precisely adapt to various irregularly shaped cross-sections, is less prone to nozzle clogging, and has low maintenance costs, effectively reducing manufacturing costs and enhancing product competitiveness. It also meets the needs of large-scale production of multi-specification, customized irregularly shaped tubes.

In clinical applications, medical shaped tubes treated with Cheersonic ultrasonic spraying have gained widespread recognition from interventional and orthopedic medical professionals and medical device manufacturers. They are suitable for various scenarios including minimally invasive interventions, surgical support, and endoscopy, and are particularly suitable for customized interventional catheters and bone fixation applications where device compatibility is extremely important. This significantly improves the accuracy and safety of device operation, reduces patient discomfort, and facilitates rapid patient recovery. In summary, Cheersonic professional ultrasonic spraying treatment perfectly solves the core technical pain points of uneven coating, easy wear, and susceptibility to infection in medical shaped tubes. It not only meets the stringent customization needs of clinical practice but also helps manufacturers improve product quality, promotes the upgrading of the medical shaped tube industry, and demonstrates Cheersonic professional strength in the field of medical spraying.

About Cheersonic

Cheersonic is the leading developer and manufacturer of ultrasonic coating systems for applying precise, thin film coatings to protect, strengthen or smooth surfaces on parts and components for the microelectronics/electronics, alternative energy, medical and industrial markets, including specialized glass applications in construction and automotive.

Our coating solutions are environmentally-friendly, efficient and highly reliable, and enable dramatic reductions in overspray, savings in raw material, water and energy usage and provide improved process repeatability, transfer efficiency, high uniformity and reduced emissions.

Chinese Website: Cheersonic Provides Professional Coating Solutions