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As China Medical Catheter Vacuum Plasma Treatment System Manufacturers and Medical Catheter Vacuum Plasma Treatment System Suppliers, Kunshan Shifuda Automation Technology Co., Ltd. (Anhui Shifuda Automation Technology Co., Ltd.) is a modern enterprise integrating R&D, manufacturing, sales, and technical services. It is a relatively competitive equipment supplier in the domestic automation field.
1.Professional R&D, production, sales, ultrasonic plastic welding machines, non-standard automation, hot melt machines, testing equipment, automated assembly, tooling fixtures, molds and other machinery and equipment.
2.Our company mainly targets the plastic welding automation industry. The processes are as follows (ultrasonic welding process, hot melt process, hot plate process, hot riveting process, high frequency welding process, high frequency welding process, eddy current process, etc.)
3.Our company also has a lot of R&D equipment in the water treatment industry, including DTRO diaphragm welding, MBR flat membrane welding, and tubular membrane welding.
4.Logistics industry, (post-processing equipment for hoarding boxes, hollow panels, post-processing equipment for turnover boxes)
5.Medical industry, (blood collection needles, cover pockets, negative pressure drainage bags, peripheral blood collection needles, infusion tubes, scalp needles, retention needles, heparin caps, etc., multiple automated assembly and welding equipment)
Our company has in-depth research in the automotive field, logistics field, medical field, toys, electronics and other fields.
The company's main service industries: automotive, medical, environmental protection, cosmetics, electronics, etc. The core technical capabilities include automated welding equipment, post-processing of hollow board enclosures, post-processing equipment for automobile enclosures, and non-standard automation equipment for medical device products. Design and manufacturing, specializing in providing welding equipment for medical device products, making significant contributions to the industry. We have multiple patents on ultrafiltration, MBR flat membrane, DTRO membrane and other water treatment equipment.
We have established a complete customer service system and have a well-trained and skilled technical service team to serve customers, including R&D and pre-manufacturing technical solution customization, equipment installation and commissioning, technical training and 24-hour after-sales technology Support Services.
PTFE (polytetrafluoroethylene) is a common material for medical catheters thanks to its low friction coefficient and chemical inertness — but those same two properties create a processing problem: low surface energy makes PTFE hard to wet, so catheters struggle to achieve ideal insertion lubricity and are difficult to bond reliably to coatings or dissimilar polymers such as PEBAX or PP. Plasma treatment is a surface-modification process built specifically for this contradiction — it alters only the outermost few nanometers of the surface, chemically and structurally, without touching the catheter's bulk mechanical properties.
The system uses a vacuum chamber: a dual rotary-vane pump set draws the chamber down, process gas is introduced and excited into plasma, and polar functional groups are introduced at the molecular level on the catheter surface. Once surface energy rises, water on the catheter shifts from beading up and rolling off to flowing down directly — a direct sign of improved insertion lubricity. The same rise in surface energy lets coatings and adhesives spread and wet more fully, raising bond strength between the catheter and dissimilar materials like PEBAX or PP — a critical factor for multi-lumen or composite catheter assembly. The micro-structural change plasma bombardment produces on the surface also helps reduce bacterial adhesion and improve wear resistance, cutting the risk of particulates generated by abrasion — both important considerations for the biocompatibility and safety of catheter-type medical devices.
The MC120L-F1 is a vacuum plasma system built specifically for medical catheter applications. Dual vertical flat-plate electrodes paired with a 20–60Pa working vacuum give even treatment coverage across the inner and outer surfaces of slender tubular workpieces. Under no-load conditions the chamber pumps down to below 30Pa within 60 seconds, with a vent-to-atmosphere time of just 20–40 seconds; a Chinese-language touchscreen and solenoid-valve-controlled gas system round out a setup built for high per-batch throughput on a catheter production line. The system is available in both vertical and horizontal chamber layouts, selectable to match workshop space and how catheters are loaded and unloaded.
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