A Question for MedTech Founders: When Did You Start Thinking About Manufacturing?
A question I often ask medical device founders is:
“When did you start thinking about manufacturing?”
Many answers sound similar:
“We’ll worry about that once the device works.”
It is an understandable response.
Early-stage MedTech teams are often focused on proving the core concept, building prototypes, gathering feedback from clinicians, preparing for feasibility work, and securing enough funding to keep development moving forward.
But the reality is that many of the most expensive problems in medical device development begin long before production starts.
They begin with early product decisions made before manufacturing was considered.
A device can work technically and still be difficult to manufacture consistently, inspect effectively, source reliably, package safely, or scale at a cost that supports commercialization.
That is why manufacturing strategy should begin during product development—not after the design is considered complete.
A Working Prototype Is Not Automatically a Scalable Product
A prototype is an important milestone. It can demonstrate that a concept works, help a team gather early clinical feedback, and create momentum with investors or strategic partners.
But a working prototype does not automatically answer the questions required for commercial production.
For example:
Can the components be sourced consistently?
Can the device be assembled repeatedly at the required quality level?
Are the tolerances realistic for production?
Can critical features be inspected and verified?
Does the design support packaging and sterilization needs?
Will the process be manual, semi-automated, or fully automated?
Can the product be produced at a cost that supports the company’s business model?
Can suppliers and manufacturing partners support future demand?
These questions become more difficult to answer when the product design is already locked.
The earlier a team begins asking them, the more options it has.
The Decisions That Shape Manufacturing Readiness
Small design decisions can have a major impact on future production.
Part Design
A component may function perfectly in a prototype but create challenges in production.
Part geometry, material selection, surface finish, flexibility, mating features, and handling characteristics can all influence how easily the component can be sourced, assembled, inspected, and automated.
A part that is easy for an engineer to position by hand may be difficult for a fixture, robot, feeder, or vision system to handle consistently.
Early design-for-manufacturability reviews help teams identify these issues before changes become expensive.
Assembly Tolerances
Manual assembly can sometimes mask tolerance problems.
A skilled operator may be able to compensate for small variations through hand positioning, visual judgment, or repeated adjustment. A scalable manufacturing process requires more predictable inputs.
Tolerance decisions can affect:
Assembly repeatability
Product fit and function
Yield and scrap rates
Inspection requirements
Fixture complexity
Equipment cost
Automation feasibility
Overall product cost
When tolerances are not aligned with process capability, manufacturing becomes more difficult than it needs to be.
Inspection Requirements
Every medical device needs a clear strategy for confirming that critical product characteristics meet requirements.
If inspection planning begins too late, teams may discover that important features are difficult to access, measure, or verify after assembly.
Early inspection planning should consider:
Critical-to-quality features
Dimensional measurement methods
Functional testing
Visual or machine-vision inspection
In-process quality checks
Traceability requirements
Data collection needs
Acceptance criteria
Inspection is not only a quality activity. It is also a product-design and manufacturing-strategy decision.
Supply Chain Strategy
Supply chain planning is often underestimated during early development.
A component may be technically suitable but introduce risks related to lead times, availability, supplier capacity, minimum order quantities, material consistency, tooling ownership, or cost.
Early supplier engagement can provide valuable feedback on:
Component availability
Manufacturability
Material selection
Tooling needs
Production timelines
Cost drivers
Quality-system expectations
Alternative sourcing options
A strong supply-chain strategy helps reduce surprises during manufacturing transfer and commercial scale-up.
Automation Readiness
Not every startup should invest in full automation immediately.
However, every startup should understand whether its product design and process flow will support future automation.
Early decisions around part orientation, assembly sequence, process controls, inspection access, traceability, and component handling can determine whether automation is straightforward or extremely complex later.
Designing with automation in mind does not mean purchasing equipment before the product is stable.
It means preserving future options.
Why Manufacturing Should Be Part of Product Development
Manufacturing is often treated as a downstream activity that begins after engineering is complete.
In reality, engineering and manufacturing are closely connected.
A design choice may affect product cost, supplier availability, assembly time, automation needs, inspection capability, packaging, sterilization, validation effort, and launch timing.
When manufacturing strategy is incorporated early, teams can make more informed product decisions while the design is still flexible.
That can help reduce:
Late-stage redesigns
Tooling changes
Supplier changes
Manufacturing-transfer delays
Unexpected validation work
High labor content
Quality variation
Production bottlenecks
Commercialization risk
The goal is not to slow innovation down with unnecessary process.
The goal is to prevent avoidable rework that slows innovation down later.
Aligning Development and Manufacturing Strategy
The smoothest path to commercialization happens when product development and manufacturing strategy evolve together.
That alignment often includes:
Early design-for-manufacturability input
Supplier and contract manufacturer engagement
Clear user needs and product requirements
Risk-management activities
Assembly and process-development planning
Inspection and traceability strategy
Packaging and sterilization considerations
Cost and capacity targets
Automation-readiness assessment
Manufacturing-transfer milestones
Cross-functional ownership and decision-making
This does not mean every detail must be finalized at the concept stage.
It means the team understands the downstream implications of its major decisions and plans accordingly.
When Should Founders Start the Conversation?
The answer is simple:
Start thinking about manufacturing as soon as the product begins taking shape.
For an early prototype, that may mean asking basic questions about materials, assembly, suppliers, part handling, and cost.
For a product preparing for feasibility or preclinical work, it may mean involving manufacturing partners, reviewing design-for-manufacturability risks, and beginning to document process assumptions.
For a product approaching clinical validation or commercialization, it means creating a clear plan for clinical supply, quality controls, inspection, packaging, sterilization, supplier readiness, transfer, and future scale-up.
The earlier development and manufacturing strategy are aligned, the easier it becomes to move confidently toward market entry.
Building the Bridge from Innovation to Scalable Production
Medical device innovation requires more than proving that a product can work.
It requires building a product that can be manufactured safely, consistently, and economically at the quality level required for patients, clinicians, and regulators.
At Birch Design, we help innovators bridge the gap between engineering development and scalable manufacturing. From product-development roadmaps and fractional program leadership to supplier coordination, manufacturing readiness, automation planning, and commercialization strategy, Birch Design helps teams build with the full lifecycle in mind.
Working on a medical device and beginning to think about the road to market? Birch Design helps teams connect product development with practical manufacturing strategy before costly issues become difficult to solve.