Designing for Sustainability in Medtech

The growing demand for medical treatment, driven by an aging population and advancements in healthcare, presents a critical challenge: how to reconcile the increasing need for medical devices with the urgent imperative for environmental sustainability. 

While consumers are progressively prioritizing eco-friendly products, the medical device industry faces a unique tension. Stringent regulations and unwavering standards for patient safety and product performance must be upheld, even as the industry strives to minimize its environmental footprint. The healthcare sector’s substantial contribution to global carbon emissions underscores the urgency of addressing this challenge, particularly within medical device design.

When working with your manufacturing partner(s) to ensure optimal product design, it’s important to know what to look for to drive both sustainability and product quality. The benefits of employing eco-design principles are sizable—optimizing material use, reducing material waste, optimizing energy consumption, emitting lower emissions, enhancing recyclability and reuse, along with extending product lifecycles—without compromising patient safety or product performance. Eco-design is not only about sustainability; it also contributes to product innovation, cost savings, and regulatory compliance while increasing speed-to-market and enhancing reputation. 

Companies that fail to adapt to the growing demand for sustainability will likely face regulatory hurdles, increased operational costs, and a loss of market competitiveness. Furthermore, the healthcare industry’s movement toward sustainable procurement policies means businesses not investing in eco-friendly solutions may struggle to secure contracts in the future.

The following list offers the opportunity for you to explore six impactful eco-design principles (Figure 1) to uncover how you can implement these insights to drive sustainability and innovation in future medical device development.

1. Minimizing Material Consumption

Reducing material waste is one of the most effective ways to enhance sustainability without compromising device safety. This is especially important for single-use medical devices. There are four primary ways to reduce material consumption.

• Minimizing the number and variety of materials used in device components simplifies recycling and decreases environmental impact across all stages of the product lifecycle.
• Employing topology optimization, a computational design technique, ensures materials are distributed only where necessary, resulting in more lightweight and sustainable components.
• Utilizing molding and filling simulations during the initial stages of mold design can significantly reduce material usage for each component.
• Optimizing manufacturing processes, such as tooling and injection molding, further reduces material waste through fewer defects, efficient material use, and more sustainable production.

2. Minimizing Energy Consumption

Energy-efficient design is essential for reducing the carbon footprint of medical devices. This eco-design principle should be considered for both the manufacturing process and device operation.

When evaluating the manufacturing process for your device, choosing energy-efficient methods can help reduce energy consumption and support sustainability goals. For example, servo-electric systems improve efficiency by reducing energy consumption compared to traditional hydraulic or pneumatic systems. Additionally, advanced cooling techniques optimize temperature control during manufacturing, reducing energy use while maintaining process stability. These sustainability goals can be further supported by undergoing a design for manufacturing and assembly exercise. Through this process, you can also identify how to simplify products to demand lower energy units throughout production.

For device operation, incorporating low-power electronics and smart energy management strategies can significantly reduce energy demand for devices that run on electricity. Battery-operated devices can be optimized for longer usage cycles, minimizing the environmental impact of battery disposal and replacement. 

Another approach to reducing your device’s energy consumption involves designing devices with energy harvesting capabilities. Some cutting-edge medical devices incorporate kinetic or solar energy harvesting to reduce reliance on traditional power sources. These technologies extend device lifespans and reduce the need for frequent battery changes, lowering waste and improving sustainability. For instance, certain wearable medical devices now feature kinetic energy harvesting, utilizing body movements to generate power, thus reducing reliance on disposable batteries.

3. Selecting Low-Impact Resources

Incorporating low-impact materials and renewable energy sources into manufacturing operations can further reduce your environmental footprint. Many manufacturers are investing in solar or wind energy in power production facilities, demonstrating a commitment to sustainability throughout the supply chain. 

Low-impact materials like polypropylene (PP) play a crucial role in reducing the environmental footprint of medical devices. As a lightweight yet durable material, PP requires fewer raw resources and less energy for production, contributing to lower overall emissions. Its recyclability further minimizes waste, making it a more sustainable alternative to single-use or difficult-to-recycle plastics commonly found in medical applications. Additionally, PP’s resistance to chemicals and sterilization processes extends the lifespan of medical components, reducing the need for frequent replacements and lowering material consumption over time. By incorporating PP into medical device manufacturing, companies can enhance sustainability efforts while maintaining the high performance and safety standards required in healthcare.

Material traceability is also critical in sustainable medical device manufacturing. By implementing blockchain-based tracking systems, companies can verify that sourced materials adhere to ethical and sustainable practices. This transparency strengthens supply chain accountability and ensures compliance with environmental regulations and corporate sustainability commitments.

Additionally, lifecycle screenings (LCS) can be used to evaluate the environmental impact of different materials and energy sources throughout a product’s development. LCS helps manufacturers calculate a device’s carbon footprint, enabling data-driven decisions that minimize environmental harm. By integrating LCS early in the design process, companies can compare alternative materials, optimize production methods, and ensure sustainability goals align with regulatory and market expectations.

4. Optimizing Product Lifetime

Medical device longevity is a key factor in sustainability. Finding the right balance between single-use and reusable products can significantly reduce waste while maintaining patient safety. For some applications, durable, repairable products can be a more sustainable alternative to disposable options. 

One strategy for ensuring durability and proper function is to incorporate robustness principles. Robust design reduces the number of mechanical features in a device, which can lower material use and open opportunities for alternative materials. Additionally, integrating durable materials enhances product longevity, reliability, and sustainability. These high-quality, resilient materials, though often more expensive upfront, can withstand repeated use and sterilization, minimizing the need for frequent replacements and repairs.

Facilitating device maintenance and repair is essential in most types of reusable medical devices and helps avoid unnecessary environmental effects. Designing devices with modular components supports repairability and aids in future recycling when applicable. For example, some surgical instruments have transitioned from single-use to multi-use designs with sterilization protocols that maintain safety standards. This shift has helped hospitals reduce medical waste and cut costs associated with constant repurchasing.

Additionally, companies can invest in refurbishment programs, where used medical devices are reconditioned for secondary use in healthcare facilities with limited resources. Such programs extend product lifespans, improve global healthcare access, and reduce medical waste. The World Health Organization has actively promoted medical device refurbishment initiatives in lower-income countries, demonstrating the potential for widespread impact.

5. Extending Material Lifespan 

To promote sustainability, single-use and reusable medical devices should be designed with recyclability in mind (Figure 2). Selecting materials that can be easily separated and repurposed allows for more efficient recycling processes. However, material reuse in the medical industry comes with challenges, including regulatory barriers and contamination risks. In highly regulated industries like medical devices, where material cannot be recycled into new products, it’s critical to avoid polymer blends that can complicate recyclability. 

Despite these hurdles, advancements in sterilization and closed-loop recycling systems are helping to make material reuse a more viable option. For example, some hospitals have implemented take-back programs to recycle medical-grade plastics from surgical environments, reducing landfill waste and repurposing materials into new medical products.

6. Facilitating Disassembly and Recycling

Ensuring medical devices can be easily disassembled is crucial for improving recyclability. A well-structured design allows for straightforward separation of components, reducing the complexity of the recycling process. There are several ways to improve device disassembly and recycling. 

• Designing devices with standardized, easily separable components to facilitate sorting and reprocessing.
• Developing products that can be disassembled in controlled environments or assembly lines.
• Reducing the use of permanent adhesives and mixed-material components that hinder recyclability.

Additionally, designing for crush separation is particularly useful for single-use medical devices intended for recycling. This approach involves incorporating interlocking features such as snap-fits that allow components to separate when crushed, while deliberately designed weak points or break lines can further aid in sorting materials. Some medical devices, such as shield-activated autoinjectors, present additional challenges due to biohazardous components, making automatic disassembly an important consideration for future designs.

Medical device manufacturers can also collaborate with recycling firms to establish take-back programs, ensuring proper disposal and recovery of valuable materials. Establishing closed-loop recycling systems enables materials to be repurposed for future medical device production, further reducing the demand for virgin resources.

The Long-Term Impact of Eco-Design on the Healthcare Industry

Adopting sustainable practices in medical device development has broader implications for the entire healthcare sector. By reducing waste and energy consumption, hospitals and healthcare facilities can lower operational costs while contributing to environmental conservation.

In addition, future-proofing devices against evolving regulations ensures companies remain competitive and compliant as sustainability standards become more stringent. Manufacturers that prioritize eco-design will be better positioned to adapt to industry changes and meet consumer expectations. Embracing sustainability also fosters corporate responsibility, improving brand perception and strengthening relationships with environmentally conscious stakeholders.

Conclusion

Eco-design principles offer a sustainable pathway for medical device manufacturers to reduce their environmental footprint while maintaining product safety and efficacy. By integrating these principles early in development, companies can minimize waste, improve energy efficiency, and extend product lifecycles. As the industry continues to evolve, those who embrace sustainability will not only meet regulatory and consumer demands but also gain a competitive advantage in a rapidly changing market. Now is the time for the healthcare sector to prioritize eco-design, ensuring a more sustainable and responsible future for medical innovation.

Martin Høier Thomsen is a senior development engineer on MGS’ design and development team. He’s a skilled engineer with a master of science in engineering from Aalborg University and has more than a decade of experience in medical device development. He has a passion for transforming ideas into market-ready products, directing the process from imagination to realization. Martin spent six years as a line manager at LEO Pharma, where he built in-depth knowledge of the pharmaceutical industry and what matters most to pharma innovators. He’s also certified in Scaled Agile Framework (SAFe), specializing in product management and agile methodologies.