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How Design for X methodology is applied to address unmet needs when designing a new medical device product

Written by Robert Davis | Sep 24, 2024 10:27:37 PM

By applying these DFX methodologies with a focus on addressing unmet needs, medical device companies can create products that solve critical healthcare challenges. This approach can lead to products that significantly improve patient care and healthcare delivery, particularly in underserved areas or for challenging medical conditions.

By directly addressing unmet needs, these devices have the potential to create new markets, establish the company as a healthcare innovator, and most importantly, make a meaningful impact on patient outcomes and quality of life. The resulting devices would not only offer innovative functionalities but also be more accessible, user-friendly, and adaptable to various healthcare settings and patient populations.

Let's dive deeper into each design area with examples and potential innovation outcomes for each.

Read more below.

 

The focus and discipline of DFX is a powerful tool if used as part of a broader strategic approach to developing product/process differentiation, and a sustainable advantage against competition. Involve Design for X in Strategy. Once your team has determined the focus of your strategy, place the focus of design on developing competitive advantage. 

At Boston Engineering, DFX is a core part of creating values during our product development process. We focus on several key DFX areas that align with our expertise:

Learn more about Design for X (DFX) at Boston engineering: Boston Engineering Design for X

The following are illustrative examples of a potential product design decisions a company might make to take strategic advantage of the noted benefits of introducing a new product to market vs. updating an existing product. The cases are presented to evoke thoughts and questions around the potential business case for such decisions, and the reasoning behind each. 

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Design for Manufacturability (DFM)

Example: For the non-invasive continuous glucose monitor

A DFM expert could focus on:

  • Designing ultra-thin, flexible components to create a truly unobtrusive wearable device
  • Optimizing production for biocompatible materials to reduce skin irritation
  • Developing scalable manufacturing processes to meet high demand at lower costs

Addressing unmet need: A comfortable, long-term wearable monitor that patients are more likely to use consistently, improving diabetes management.

Design for Assembly (DFA)

Example: For the brain-computer interface

Working with a DFA expert might involve:

  • Designing a modular assembly process for custom-fitting to individual patient anatomies
  • Creating fool-proof connections to ensure proper setup by non-specialist medical staff
  • Minimizing the device's external profile for better aesthetic outcomes

Addressing unmet need: A more accessible and adaptable brain-computer interface, potentially expanding its use beyond specialized centers.

Design for Cost (DFC)

Example: For the portable, AI-powered ultrasound device

A DFC expert could suggest:

  • Identifying cost-effective materials and components to significantly lower the price point
  • Optimizing the design for energy efficiency to reduce battery costs
  • Developing a leasing model with lower upfront costs for healthcare providers

Addressing unmet need: An affordable, portable ultrasound solution for underserved or remote areas, improving access to diagnostic imaging.

Design for Testability (DFT)

Example: For the minimally invasive heart valve repair tool

DFT considerations might include:

  • Incorporating real-time feedback mechanisms for precise placement
  • Designing built-in simulation capabilities for pre-procedure testing and training
  • Developing automated calibration and self-test features to ensure reliability

Addressing unmet need: A more reliable and user-friendly tool that could expand the pool of surgeons capable of performing this procedure, reducing wait times.


 

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Design for Reliability (DFR)

Example: For the novel antimicrobial wound dressing

A DFR expert might focus on:

  • Designing for extended antimicrobial efficacy duration to reduce dressing changes
  • Incorporating moisture management features to maintain an optimal healing environment
  • Developing indicators for when the dressing needs changing to prevent over-use

Addressing unmet need: A more effective wound dressing that accelerates healing and reduces the risk of infection, particularly for chronic wounds.

Design for Serviceability/Maintainability (DFS)

Example: For the surgical robot

DFS considerations could include:

  • Designing easily sterilizable components to reduce turnaround time between procedures
  • Incorporating remote diagnostics and software updates to minimize downtime
  • Developing a modular design allowing for easy upgrades as new surgical techniques emerge

Addressing unmet need: A more efficient and adaptable surgical robot, potentially reducing procedure costs and improving availability.

Design for Usability (DFU)

Example: For the portable ultrasound device

A DFU expert might suggest:

  • Designing an interface that guides users through the examination process
  • Incorporating AI-assisted interpretation to support non-specialist users
  • Developing ergonomic features for comfortable use in various settings, including field conditions

Addressing unmet need: An ultrasound device that can be effectively used by healthcare workers with minimal specialized training, expanding access to diagnostic imaging.

Design for Modularity (DFMo)

Example: For the continuous glucose monitor

DFMo considerations could include:

  • Creating interchangeable sensors for different measurement methods (e.g., optical, enzymatic)
  • Designing a base unit compatible with various add-ons (e.g., insulin pump integration, cellular connectivity)
  • Developing a platform that can adapt to monitor additional health parameters beyond glucose

Addressing unmet need: A versatile health monitoring system that can be customized to individual patient needs and adapt to changing health conditions.

 

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 Understanding the Importance of a DFX approach in medical device design & development

Applying Design for X (DFX) methodologies upfront in medical device  development optimizes the entire lifecycle by improving manufacturability, testability, reliability, usability, and other critical characteristics. This avoids costly redesigns later on, facilitates high-quality products that satisfy customers, reduces manufacturing and service costs, and supports flexibility through modularity and platforms. The holistic perspective of DFX drives efficient, cost-effective delivery of successful products that provide competitive advantage. Investing in DFX early pays dividends across the entire product lifespan.

Do you offer training on DFX for your medical engineering teams?

Education is critical to effectively implement DFX principles. We provide training tailored to your engineers’ roles and product lines. This includes overall DFX methodology, deep dives into specific disciplines like design for reliability or manufacturability, and practical application workshops. Our hands-on approach combines real-world examples and case studies with tutorials on leading DFX software tools. The goal is building organizational DFX expertise and establishing repeatable processes that endure beyond individual projects. Investing in DFX knowledge pays dividends across your entire product portfolio. 

Ready to Begin your next medical device DFX Project? 

Whether you’ve created a new technology, or have an innovative way to use an existing solution, Boston Engineering will turn your ideas into reality.  Our experts and Industry Partners will enhance your current team or manage the entire Product Development Process from Market Analysis to Production. Don't leave complex projects or high visibility product launches to chance. Know you're going to get the results you want by working with industry leaders in design, development, and deployment of innovative products driven by Novel Engineering. Contact Boston Engineering Today to get started.

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Impossible Challenge? Try Us. 

Selecting a partner to help you complete your design project is a valuable option to reduce project duration and save money.    

The Boston Engineering product development system encompasses DFX to ensure a smooth product launch and success in the marketplace.  Boston Engineering has DFX knowledge and experience to address aspects and values of a product such as manufacturability, test, reliability, safety, serviceability, cost, and compliance with industry standards and government regulations.


 

 

 

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