Printed Medical Tubing

FEATURES

• Mold Description
  Product Materials:	PTFE PVC PE SILICONE etc
  Mold Material:	S136ESR
  Number of Cavities:	1
  Glue Feeding Method:	Hot runner
  Cooling Method:	Water cooling
  Molding Cycle	2.5s

  
  

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  Our capabilities include:

  Highly detailed and accurate image reproductions

  
  

  Permanent imprint adhesion that withstands various sterilization techniques and will not flake or rub off

  
  

  Pad printing on all substrates and on atypical surfaces and unusual device shapes and sizes

  
  

  Pad printing using radio opaque and conductive inks

  
  

  360° surface imprints

  
  

  Custom color and multi-color requirements

  
  

  Use of Class VI medical grade inks to meet biosafety concerns

  
  

  Use of substrate-specific surface treatment for permanent ink adhesion

  
  

  Environmentally controlled systems for clean manufacturing

  
  

  Leveraging the latest tooling designs for production consistency and economical costing.

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  A sampling of medical products we can pad print on:

  Catheters and microcatheters (i.e., colonoscopy, dialysis, EVD, intrauterine, intravascular, neonatal umbilical, thoracic, trocar, ventriculostomy)

  Clips and adapters

  Connectors

  Guide wires

  Lenses

  Shafts

  Syringes

  Tubing (i.e., endotracheal, feeding, hypo, jejunostomy, tracheal)

  Products with unusual or atypical surfaces

• Substrates we print on

  Using Class VI medical grade inks and process specific pre-treatment techniques, we are able to achieve excellent ink adhesion and print quality on a wide variety of substrates. Our pad printing will withstand various sterilization techniques.

  

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  Conductive Ink

  We use conductive ink for products requiring conductivity in their inks.

  
  

  Radio Opaque Ink

  We use printable radio opaque ink for products that require internal medical device markings that can be seen using medical imaging equipment.

  
  

  Silicone Inks

  Silicone inks are designed for printing on silicone rubber parts.

  
  

  High-gloss, quick curing two-component ink

  
  

  Features outstanding mechanical and chemical resistance and excellent adhesion on critical materials.

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  Plasma Gas Treatment

  When required, we use plasma gas treatment to allow for permanent printing adherence to certain substrates such as silicone, polyurethane, Delrin®, fluorinated ethylene-propylene (FEP), polyethylene (PE), polypropylene (PP), and polytetrafluoroethylene (PTFE). Plasma gas treatment is a process that uses gas and electricity instead of heat as a pretreatment of a surface to be printed on.

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• Exclusive Feature: Ansix Tech Launches Printed Medical Tubing Initiative — Redefining Value in Medical Extrusion Manufacturing with 28 Years of Excellence

  A comprehensive look at how a global one-stop injection molding powerhouse is transforming printed medical tubing production through DFM-driven design, advanced material science, precision mold engineering, process optimization, rigorous quality validation, and systematic cost reduction

  Global Medical Manufacturing Industry News

  In an era where medical device innovation increasingly depends on the quality and reliability of foundational components, Ansix Tech — a specialist with over 28 years of experience in medical-grade injection molding and extrusion — has officially launched its new Printed Medical Tubing project initiative. The announcement represents a strategic expansion of the company’s manufacturing ecosystem, positioning Ansix Tech as a truly integrated partner capable of delivering end-to-end solutions from prototype verification to high-volume production, assembly validation, and final packaging.

  
  

• Industry Context: The Growing Demand for Printed Medical Tubing

  The global medical tubing market is experiencing robust growth. Valued at approximately US$8.63 billion in 2025, the market is projected to reach US$19.33 billion by 2032, reflecting a compound annual growth rate of 12.19% . Within this expanding landscape, printed medical tubing — specialized polymer extrusions used in respiratory care, drug delivery systems, anesthesia equipment, catheters, peristaltic pumps, and biopharmaceutical laboratory devices — occupies a critical niche . The shift toward single-use medical devices, amplified by heightened awareness of cross-contamination risks in healthcare settings, has created unprecedented demand for reliable, cost-effective manufacturing solutions capable of producing millions of identical precision components .

   

  Ansix Tech’s entry into this space is not a diversification for diversification’s sake. Rather, it is a natural extension of the company’s four-decade heritage. Founded in Hong Kong in 1998, Ansix Tech has grown into a global one-stop injection molding powerhouse, operating four production bases spanning China and Vietnam. With a total building area of 200,000 square meters, a workforce exceeding 1,200 employees — including more than 200 designers and engineers — and a fleet of 260 injection molding machines ranging from 30 to 2,800 tons, the company possesses the infrastructure to handle projects at any scale . Certifications including ISO 9001, ISO 14001, IATF 16949, and the critical ISO 13485 for medical devices underscore an unwavering commitment to quality management systems applicable to regulated medical manufacturing .

   

  What Ansix Tech Delivers: Customer Value at Every Stage

  For medical device OEMs and contract manufacturers seeking printed medical tubing solutions, the value proposition Ansix Tech offers extends far beyond conventional supplier relationships. The company positions itself not as a mere parts supplier but as a genuine engineering partner, embedding itself deeply into customers’ product development cycles from initial concept through commercial launch.

   

  From Concept to Production: A Comprehensive Workflow

  The typical Ansix Tech project lifecycle is structured around a rigorous yet collaborative process that maximizes efficiency while minimizing risk. Every engagement begins with a deep analysis of market requirements, regulatory standards, and functional needs . This early-stage engagement enables engineers to dissect every design dimension — wall thickness uniformity, internal lumen geometry, bending radius requirements, and connection interfaces — before any tooling commitment is made .

   

  Material Selection: The Foundation of Safety and Performance

  One of the most critical decisions in any medical tubing project is material selection. Ansix Tech’s engineers draw upon an extensive industry database and established supplier partnerships to evaluate and recommend high-performance polymers that balance biological compatibility, mechanical performance, and manufacturability.

   

  The company has moved beyond conventional single-material solutions, pioneering printed medical tubing approaches that combine material advantages strategically. A representative stratified structure might include: an inner layer of high-density polyethylene or specialized polyurethane compatible with sensitive medications; an intermediate bonding layer of ethylene-vinyl acetate ensuring layer adhesion; and an outer protective layer of COPE or specialized elastomer providing flexibility and tactile response. This layered construction allows each layer to be optimized for its specific function — medication compatibility on the interior, structural integrity through the middle, and user functionality on the exterior .

   

  Medical tubing materials must comply with rigorous regulatory frameworks. Common requirements include USP Class VI for toxicity testing, ISO 10993 for comprehensive biocompatibility assessment, and FDA 21 CFR for material safety . Ansix Tech applies these standards rigorously, selecting specific material grades tailored to application demands. For example, PEEK (specifically Victrex PEEK-450G) is specified for implantable and high-temperature applications requiring superior chemical and thermal resistance . Medical-grade polycarbonate (Covestro Makrolon Rx1805) meeting ISO 10993 and USP Class VI standards provides transparency and impact strength for housing components . Polyphenylsulfone (Solvay Radel R-5800) offers exceptional hydrolytic stability for parts requiring repeated steam sterilization .

   

  The company also emphasizes PVC-free formulations, responding to growing concerns about plasticizers in medical environments. As evidenced by Medtronic’s development of COPE-based multilayer tubing, eliminating polyvinyl chloride while maintaining flexibility represents a significant advancement in material science for medical applications .

   

  DFM and Mold Flow Analysis: Digital Validation Before Steel Cutting

  A hallmark of Ansix Tech’s methodology is the disciplined application of Design for Manufacturability principles from the earliest stages of product development. Before any tooling steel is cut, the engineering team creates a digital twin of the part and the manufacturing process.

   

  The company employs advanced mold flow analysis software — technologies such as Moldex3D — to simulate filling patterns, identify potential weld lines, predict areas of air entrapment, and optimize gate placement prior to tooling fabrication . This simulation-driven approach enables engineers to anticipate and address issues including short shots, unbalanced filling, and dimensional instability long before physical production begins. Using molded flow simulation software for three-dimensional flow channel system modeling, engineers analyze knit line strength at abrupt wall thickness transitions, as well as cavity filling pressures for micro-features .

   

  The DFM process at Ansix Tech also evaluates product structure for potential manufacturing risks. When designing catheter connectors, for instance, knit line strength at wall thickness transitions is analyzed against minimum thresholds for medical products, while micro-hole filling pressures are controlled within optimized ranges to ensure complete cavity filling without flashing or sink marks . This digital validation workflow reduces costly late-stage design changes, accelerates time-to-market, and provides customers with quantifiable risk reduction documentation.

   

  Mold Engineering: Precision at Micro-Scales

  The tooling that ultimately produces printed medical tubing represents one of the most technically demanding aspects of the manufacturing chain. Ansix Tech’s mold design and fabrication capabilities distinguish the company in several critical dimensions.

   

  Core Mold Design Priorities

  For printed medical tubing, mold design must address several primary considerations simultaneously: the precise geometry of internal lumens and flow channels; balanced material distribution across multi-lumen or multi-layer configurations; optimal runner and gate placement to minimize shear stress and material degradation; efficient cooling system design for cycle time reduction; and reliable ejection systems that prevent part damage.

   

  The company’s design methodology integrates sophisticated flow channel geometry to achieve uniform velocity distribution at the interface between the extrusion mold and the free surface. Optimizing the structure of the extrusion mold — including both tip and die components — ensures balanced polymer flow, which directly correlates to wall thickness uniformity and dimensional consistency across the extruded tube’s entire length .

   

  Cooling System Engineering

  Cooling system design is arguably the most influential factor in achieving high-volume, cost-efficient production of printed medical tubing. Improper cooling leads to dimensional instability, residual stress accumulation, extended cycle times, and increased scrap rates. Ansix Tech engineers cooling systems with specific design rules: cooling channels are positioned to maintain uniform distances from cavity walls, with flow rates optimized to achieve rapid yet controlled heat extraction.

   

  In medical mold engineering, conformal cooling channel design — where cooling passages conform to the part’s geometry — is increasingly standard. Ansix Tech’s cooling system designs typically incorporate water channels spaced at 2.5 mm from cavity walls, achieving flow rates above 8 L/min per circuit . This approach minimizes thermal gradients, reduces warpage, and enables ejection at higher temperatures without compromising dimensional tolerances.

   

  Runner and Gate Systems

  Gate location and runner geometry directly influence printed medical tubing quality, particularly for delicate thin-wall sections. The company typically employs hot runner systems combined with pinpoint gates, with gate diameters sized according to material flow characteristics. Runner systems are designed with controlled diameter ratios to maintain consistent pressure drops while minimizing melt residence time — a critical factor for both polymer degradation prevention and cycle efficiency.

   

  For printed medical tubing applications requiring multi-lumen configurations, the flow distribution system must allocate material equally across all flow paths while avoiding lumen collapse or distortion. Advanced design methodologies, including genetic algorithm-based optimization of melt flow distribution, help achieve balanced velocity profiles across complex cross-sections, ensuring each lumen achieves target dimensions within specified tolerances .

   

  Ejection System Design

  Reliable part ejection without damage is essential for high-volume production of printed medical tubing. Ansix Tech molds incorporate ejection systems — including ejector pins, sleeves, and air-assist mechanisms — tailored to product geometry. For thin-wall tubing and delicate connectors, the company designs low-contact ejection solutions that distribute removal forces evenly, preventing distortion, marring, or surface blemishes that could compromise sterility or function.

   

  Tool Steel Selection and Mold Processing Challenges

  The material choices for mold construction are no less strategic than those for the tubing itself. For printed medical tubing molds — which must withstand the rigors of high-volume production over years of service — Ansix Tech specifies premium tool steels such as M-2, A-2, H-13, S-7, and advanced powder metallurgy grades with optimized toughness, wear resistance, and corrosion resistance . These materials maintain hardness in the range of HRC50–54 after appropriate heat treatment cycles, balancing dimensional stability with wear resistance for extended tool life .

   

  Manufacturing printed medical tubing molds presents specific challenges that Ansix Tech has systematically addressed through advanced fabrication capabilities. The production of molds with tight-tolerance lumens, intricate flow channels, and minimal surface roughness requires multi-axis CNC machining combined with wire electrical discharge machining (EDM) for features that conventional cutting cannot achieve.

   

  Wire EDM is particularly essential for creating precise extrusion tooling components. The process can achieve tolerances as tight as ±0.0025 mm while generating burr-free surfaces on hardened materials, making it ideal for producing the fine features required in multi-lumen and micro-tubing applications . Ansix Tech’s mold manufacturing workflow typically progresses through these stages:

   

  DFM and Design Phase: Digital validation, flow simulation, and design optimization completed prior to tool fabrication.

   

  Rough Machining: Five-axis CNC machining removes bulk material, leaving strategic stock allowances.

   

  Heat Treatment: Vacuum quenching followed by cryogenic treatment at -196°C to eliminate retained austenite and stabilize microstructure.

   

  Finish Machining: Precision CNC finishing using diamond-coated tools with controlled feed rates and spindle speeds.

   

  EDM and Micro-Feature Machining: Wire EDM and sinker EDM create fine details not achievable with conventional cutting.

   

  Surface Finishing and Polishing: Multi-stage polishing achieving surface roughness below Ra0.025 on critical surfaces.

   

  Assembly and Calibration: Mold assembly, functional testing, and calibration verification.

   

  Laser etching for traceability marking is applied where required, meeting ISO 10993 biocompatibility standards for surface-treated components .

   

  Extrusion Process Validation: Overcoming Technical Hurdles

  Printed medical tubing extrusion presents unique technical challenges that Ansix Tech has systematically addressed through equipment selection, process parameter optimization, and real-time quality monitoring.

   

  Extrusion Challenges for Medical Tubing

  Medical-grade extrusions demand dimensional stability measured in microns, surface finish that prevents bacterial adhesion, and material integrity that withstands sterilization without degradation. Flexible materials such as PVC and thermoplastic polyurethanes are particularly challenging, as their dimensional characteristics and mechanical property requirements demand specific know-how and equipment configurations .

   

  Multi-lumen and multi-channel tubing adds further complexity. Some advanced specifications now call for tubing with up to eight independent channels, some containing metal strengthening wires, others incorporating braided reinforcement layers, and still others employing dissimilar lining materials . Achieving uniform wall thickness across all channels while maintaining lumen patency requires precisely engineered tooling and rigorous process control.

   

  Extrusion Equipment and Screw Design

  For medical tubing extrusion, screw design plays a pivotal role in maintaining dimensional control, physical properties, and processing stability . Polymer degradation during extrusion — caused by thermal stress, mechanical shear, and extended residence time — is a critical concern in medical applications. Degradation reduces mechanical properties and can generate gels or discolorations that render the product non-compliant .

   

  Ansix Tech’s extrusion lines employ screws with well-calculated geometries that improve extruder flow stability, which has a direct effect on diameter stability. Through optimized screw designs that reduce shear rate and incorporate barrier-free mixing sections, the company minimizes molecular weight reduction while maximizing dimensional control and product quality .

   

  The company maintains precise temperature control across extrusion zones, recognizing that even minor overheating can cause polymer degradation, discoloration, or the release of extractable compounds in biomedical-grade materials. Residence time optimization via appropriate screw speed and barrel design, combined with anti-degradation coatings on screws and barrels, provides additional protection for sensitive materials .

   

  Extrusion Process Optimization

  Process optimization at Ansix Tech targets twin objectives: efficiency enhancement and cost reduction. Key initiatives include:

   

  Melt pump integration: Combining pressure control with melt pump technology enables optimal output stability, reducing diameter variation and material waste.

   

  Multi-zone temperature profiling: Precision temperature controllers maintain uniform melt conditions, preventing polymer degradation while ensuring consistent viscosity for stable extrusion.

   

  Real-time dimensional monitoring: Automated measurement systems track outer diameter, wall thickness, and concentricity continuously throughout production runs.

   

  Vacuum calibration systems: After exiting the extrusion die, tubing passes through precision vacuum calibration tanks that stabilize dimensions rapidly while maintaining lumen geometry.

   

  Online Statistical Process Control (SPC): Electronic data acquisition systems monitor all process variables and associated product dimensions in real time, generating control charts and CpK information that enable immediate detection of out-of-specification conditions .

   

  The integration of inline SPC allows immediate corrective action when parameters drift, minimizing scrap and maximizing first-pass yield — a direct contributor to cost reduction.

   

  Quality Control and Assurance: Validation at Every Stage

  Quality verification in printed medical tubing production is not a single gate inspection but an integrated system of controls spanning raw material receipt, in-process monitoring, and finished goods testing. Ansix Tech’s approach aligns with ISO 13485:2016 standards and cGMP requirements — all assemblies maintain full lot traceability and are manufactured in controlled environments appropriate for medical device components .

   

  Raw Material Validation

  All incoming polymers undergo verification against certificates of analysis and, where specified, additional testing for melt flow index, moisture content, and mechanical properties. For implantable or patient-contacting applications, biocompatibility documentation confirming USP Class VI and ISO 10993 compliance is validated against material certifications.

   

  In-Process Quality Controls

  During extrusion, the following parameters are actively monitored and recorded:

   

  Melt temperature and pressure profiles

   

  Screw speed and motor load

   

  Line speed and haul-off tension

   

  Outer diameter (measured via laser micrometers in real time)

   

  Wall thickness and concentricity (measured via ultrasonic or capacitance sensors)

   

  Visual surface defects (via machine vision systems where deployed)

   

  The company’s commitment to Good Manufacturing Practices (GMP) for medical extrusion encompasses thorough documentation and complete traceability for all process parameters. GMP requirements also dictate equipment design features: polished stainless-steel frames and barrel covers, polished welds, complete process parameter calibration and recording, FDA-approved lubricants where required, and validated PLC-based machine controls .

   

  Finished Goods Testing

  Completed printed medical tubing undergoes dimensional verification using coordinate measuring machines (CMM) for key characteristics (CPk ≥ 1.67), physical property testing including tensile strength and elongation, lumen integrity verification, and visual inspection under controlled illumination . For products requiring sterility, the company coordinates sterilization validation activities, including process parameter qualification, bioburden assessment, and sterility assurance level verification.

   

  Packaging and Fast Delivery: The Complete Manufacturing Ecosystem

  The final steps in printed medical tubing production — packaging and logistics — are integrated into Ansix Tech’s operational ecosystem, ensuring that product integrity is preserved from extrusion line to customer dock.

   

  Packaging solutions are designed to maintain cleanroom-level cleanliness through final delivery. All printed medical tubing is packaged in validated configurations that withstand the rigors of shipment while preserving sterility. Shelf-life validation ensures that packaging maintains its integrity over extended storage periods, with detailed labeling providing full traceability including lot numbers, expiration dates, and specific customer-specified information for seamless procurement system integration .

   

  The company’s manufacturing footprint across China and Vietnam provides strategic supply chain advantages for global customers. ISO 13485:2016-certified expansion of production capacity — including additional extrusion equipment and production lines — enables 24/7 operations that scale with customer demand . This geographic diversification mitigates supply chain disruption risks while enabling responsive logistics to major markets in Asia, Europe, and North America.

   

  For customers requiring value-added services beyond tubing alone, Ansix Tech offers subassembly and assembly capabilities, including connector incorporation, bundling, cut-to-length services, and sterile or non-sterile packaging, all managed under a single quality system with unified traceability.

   

  How Ansix Tech Reduces Customer Costs

  Throughout this comprehensive manufacturing ecosystem, Ansix Tech systematically identifies and delivers cost reductions through multiple pathways:

   

  Material Optimization: By recommending alternative medical-grade polymers that achieve equivalent or superior performance at lower material cost — including PVC-free formulations that eliminate plasticizer concerns while maintaining flexibility — the company reduces raw material spend. In some anesthesia tubing applications, material science innovation coupled with advanced mold design has achieved production cost reductions of up to 30% while maintaining rigorous medical standards .

   

  Process Efficiency Gains: Optimized screw designs and cooling systems directly reduce cycle times, which translates to lower per-unit manufacturing costs. Through automated extrusion lines that minimize operator intervention, labor costs are reduced while consistency improves. Reduced scrap from real-time SPC means fewer defective parts produced before deviations are detected — each percentage point of scrap reduction contributes directly to bottom-line savings.

   

  Tooling Longevity: Premium tool steel selection and precision manufacturing extend mold life, reducing per-part depreciation and minimizing downtime for tool maintenance. Longer tooling intervals mean fewer production interruptions and lower tooling-related costs on a per-unit basis.

   

  Design for Manufacturability: Early DFM engagement is perhaps the most powerful cost lever Ansix Tech offers. By identifying and eliminating manufacturing complexities at the design stage — before tooling is built and production lines are configured — the company prevents costly late-stage changes that could otherwise add months to timelines and hundreds of thousands of dollars to project budgets.

   

  Supply Chain Integration: With assembly, packaging, and logistics all managed under one roof, customers avoid multiple vendor management overhead, eliminate redundant shipping and handling charges, and reduce the administrative burden of coordinating separate supply streams.

   

  Industry Experience and Proven Reliability

  Ansix Tech’s track record in printed medical tubing extrusion is reinforced by a portfolio of successful implementations across anesthesia, drug delivery, catheter, and respiratory applications. The company’s integrated approach — spanning material science, mold design, process engineering, quality system management, and logistics — has been validated through ISO 13485 certification and compliance with FDA Quality System Regulations.

   

  Looking forward, the printed medical tubing market is expected to expand at a CAGR of approximately 4.5% through 2031, driven by increasing demand for single-use medical devices, growth in minimally invasive surgical procedures, and continued material science advances enabling more sophisticated catheter and tubing designs . Trends toward miniaturization — moving from single-lumen to multi-lumen configurations, thin-wall to ultra-thin-wall geometries, and conventional to tapered/spiral/irregular profiles — represent both a challenge and an opportunity for contract manufacturers with deep engineering capabilities .

   

  For medical device OEMs, the supplier of printed medical tubing is no longer judged solely on price or capacity. The ability to participate in early product design, provide rapid prototyping, assist with regulatory submission support, and deliver subassembly-packaged ready-to-sterilize components has become the new baseline expectation.

   

  Ansix Tech’s 28-year heritage, 200,000-square-meter manufacturing footprint, 260 injection molding machines, over 200 design engineers, and four production bases position the company as a strategic partner capable of scaling from clinical-trial volumes to millions of units annually without compromising quality or delivery — with cost reductions engineered into every aspect of the process.

   

  For more information about Ansix Tech’s Printed Medical Tubing project initiative, including detailed technical specifications, DFM consultations, and volume quotations, visit www.ansixtech.com or contact the medical manufacturing sales team.

   

   

   

   

   

  Ansix Tech Co Ltd

  If you have any plans related to Printed Medical Tubing , you can contact us at any time. We will turn your ideas into reality, let you realize your dreams, and obtain large orders from the market. Our contact information is info@ansixtech.com. Or contact our CTO, mail: stephen@ansixtech.com

   

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