What's Next in Point-of-Care Diagnostics? Trends Shaping the Future of Injection Molding
- TN Plastics

- Oct 29
- 5 min read
The point-of-care diagnostic market is experiencing unprecedented growth, projected to reach $85.2 billion by 2035, with innovation accelerating across microfluidics, AI integration, and miniaturization. At the intersection of these transformative trends stands injection molding—the manufacturing technology enabling the next generation of diagnostic devices. At TN-plastics, we see firsthand how emerging technologies and market shifts are reshaping POC diagnostics manufacturing, creating both challenges and opportunities for component suppliers positioned to deliver precision, scalability, and innovation.

The Point-of-Care Diagnostics Market Trends & Revolution
The POC diagnostics market is undergoing fundamental transformation driven by technological innovation, changing healthcare delivery models, and lessons learned from the COVID-19 pandemic.
Unprecedented Market Growth and Drivers
Multiple industry analyses confirm explosive growth in POC diagnostics:
Global market projected to grow from $44.1 billion (2025) to $85.2 billion (2035) at 6.8% CAGR
U.S. market expected to reach $24.55 billion by 2034, growing at 3% CAGR
Rising chronic disease prevalence driving demand for frequent monitoring and testing
Healthcare decentralization expanding testing beyond centralized laboratories
COVID-19 pandemic accelerating adoption and regulatory approval processes
Key Technology Trends Reshaping POC Diagnostics
Several converging technological trends are fundamentally changing how Point-of-care diagnostics devices are designed, manufactured, and deployed.
Microfluidics Integration and Device Miniaturization
Microfluidic technology represents perhaps the most transformative trend in POC diagnostics, enabling lab-on-a-chip devices that integrate multiple laboratory functions into compact, portable formats.
Microfluidic integration delivers critical capabilities:
Minimal sample volumes (microliters instead of milliliters) reducing invasiveness
Accelerated testing speed with results often available within minutes
Portability enabling testing in remote settings, homes, and point-of-need locations
Sample-to-answer automation reducing user error and training requirements
Integration with electronic detection and data connectivity
These microfluidic devices demand precision injection molding capabilities with sub-millimeter tolerances, complex channel geometries, and specialized surface treatments—precisely the expertise TN-plastics has developed through decades serving diagnostic device manufacturers.

Artificial Intelligence and IoT Connectivity
AI integration is transforming POC diagnostics from simple test devices to intelligent diagnostic platforms capable of sophisticated analysis and real-time optimization.
AI applications in POC diagnostics include:
Enhanced pattern recognition improving diagnostic accuracy beyond human interpretation
Personalized result interpretation accounting for patient history and risk factors
Predictive analytics identifying health risks before symptoms appear
Quality control systems detecting manufacturing defects in real-time
Remote monitoring and data sharing enabling telehealth integration
Advanced Materials and Biocompatibility Innovation
Material science advances are expanding POC diagnostic capabilities through specialized polymers offering enhanced performance.
Advanced material trends include:
Biocompatible polymers (PEEK, LCPs, TPEs) enabling direct sample contact
Antimicrobial additives reducing contamination risks in reusable devices
Optical-grade polymers supporting advanced detection methods
Chemical-resistant materials expanding compatible assay types
Bio-based sustainable alternatives addressing environmental concerns
Injection Molding Innovation Enabling Diagnostic Advancement
As POC diagnostic devices become more sophisticated, injection molding technology must evolve to support new requirements while maintaining cost-effectiveness and scalability.
Smart Manufacturing and Automation
Injection molding is embracing Industry 4.0 technologies that enhance precision, consistency, and efficiency.
Smart manufacturing capabilities include:
IoT-enabled machines providing real-time parameter monitoring and adjustment
Predictive maintenance minimizing downtime through sensor-based alerts
AI-driven process optimization improving material usage and cycle times
Automated quality inspection detecting defects immediately
Digital twin simulations optimizing designs before physical production
Micro-Molding and Precision Manufacturing
POC diagnostic miniaturization demands micro-molding expertise that TN-plastics has developed through extensive medical device manufacturing experience.
Micro-molding requirements for POC diagnostics:
Micron-level tolerances for microfluidic channels and optical surfaces
High-precision tooling enabling complex geometry reproduction
Cleanroom manufacturing preventing contamination in sensitive components
Process validation ensuring consistent micro-feature reproduction
Material expertise for specialized high-performance polymers
Multi-Material and Over-molding Technologies
Advanced POC devices increasingly require multi-material integration combining rigid housings, flexible seals, and electronic encapsulation in single components.
Multi-material techniques supporting diagnostic innovation:
Two-shot molding enabling multi-color or multi-durometer parts
Overmolding protecting electronics while maintaining device functionality
Insert molding integrating metal contacts, sensors, or membranes
Sequential molding creating sealed fluid paths without assembly
Material compatibility engineering preventing delamination or failure
Sustainability and Environmental Responsibility
Environmental concerns are driving fundamental changes in medical device manufacturing, with sustainable practices becoming competitive necessities rather than optional enhancements.
Bio-Based and Recyclable Materials
POC diagnostic manufacturers are increasingly adopting sustainable materials:
Bio-based resins from renewable sources (corn, soy, cellulose) reducing carbon footprint
Recyclable polymers supporting circular economy initiatives
Biodegradable materials for single-use applications where appropriate
Material optimization reducing waste through improved yield
Life cycle analysis driving material selection decisions
Energy Efficiency and Waste Reduction
Manufacturing process improvements supporting sustainability goals:
Energy-efficient equipment reducing operational carbon emissions
Process optimization minimizing material waste and scrap rates
Closed-loop water systems reducing environmental impact
Sludge recycling and responsible waste management
Renewable energy adoption in manufacturing facilities

TN-plastics: Positioned for the Future of POC Diagnostics
TN-plastics' capabilities and strategic positioning align with emerging POC diagnostic trends, enabling us to support manufacturers navigating this transformative landscape.
Validated Capabilities Supporting Industry Trends
Our documented expertise addresses current and emerging POC diagnostic manufacturing requirements:
Class 8 compliant cleanroom supporting contamination-sensitive microfluidic devices
FDA registration and ISO 13485:2016 certification ensuring regulatory compliance
Proven POC device expertise in diabetes, cardiology, and molecular testing applications
Precision molding capabilities achieving sub-millimeter tolerances
Production flexibility from prototype through 50 million pieces annually
Global Tsubaki Nakashima network providing supply chain resilience
Over 100 billion parts shipped demonstrating manufacturing excellence
Strategic Investments for Future Innovation
TN-plastics and our parent company Tsubaki Nakashima continue investing in capabilities supporting diagnostic industry evolution:
Advanced manufacturing technology and automation enhancing precision and efficiency
Quality system improvements supporting faster validation and regulatory approval
Sustainability initiatives including energy efficiency and waste reduction
Engineering expertise in microfluidic design and multi-material integration
Global expansion supporting local manufacturing and supply chain diversification
Looking Forward: Preparing for Diagnostic Innovation
The convergence of microfluidics, AI, advanced materials, and sustainability is creating unprecedented opportunities for POC diagnostic innovation.
Partnership Approach for Emerging Technologies
Successfully navigating this innovation requires collaborative manufacturing partnerships:
Early engagement during design phases optimizing manufacturability
Material expertise supporting advanced polymer selection and validation
Process development capabilities enabling new manufacturing techniques
Scalability planning supporting growth from validation to commercialization
Regulatory knowledge facilitating documentation and compliance
Emerging Market Opportunities
Industry trends create specific opportunities for innovative manufacturers:
Wearable diagnostic devices requiring miniaturized, flexible components
Home testing platforms demanding simplified designs and automated functionality
Infectious disease rapid tests leveraging microfluidic integration
Chronic disease monitoring devices requiring long-term biocompatibility
Telehealth-integrated platforms combining diagnostics with connectivity
The future of point-of-care diagnostics will be defined by convergence—of microfluidics and AI, of advanced materials and sustainability, of precision manufacturing and scalability. At TN-plastics, we are investing in the capabilities, partnerships, and expertise required to support diagnostic innovators as they transform healthcare delivery. From our FDA-registered cleanroom to our global manufacturing network, we are positioned to help our partners navigate the challenges and seize the opportunities of this exciting future.
When your diagnostic innovation demands a manufacturing partner who understands both today's requirements and tomorrow's possibilities, trust TN-plastics to deliver the precision, scalability, and forward-thinking expertise that transforms breakthrough concepts into market-leading products.


