What is a Phase 0 Feasibility Study?

Most new device ideas begin with an unmet clinical need. But identifying that need doesn't automatically justify the start of a full New Product Development project. There's a meaningful gap between a promising concept and a product that can actually be developed, manufactured, cleared by the FDA, and sold, and Phase 0 is designed to help you evaluate that gap before it becomes expensive.

Think of it as due diligence before development. In a Phase 0 engagement, Kapstone's team works through the most pressing questions and risks associated with your concept across engineering, regulatory, IP, and manufacturing. The output is a practical, honest assessment: what's working, what needs refinement, and what the clearest path forward looks like.

It also serves as a head start. Several activities that would otherwise happen at the beginning of a formal Phase 1 Concept engagement can be pulled forward and completed during Phase 0, meaning your project is further along from day one. 

Who Is Phase 0 Feasibility For?

Phase 0 is a good fit for anyone who has an early-stage medical device concept and wants to evaluate it thoroughly before committing to full development. That includes:

Startups and early-stage companies that need to pressure-test a concept, define a development roadmap, and build the business case required to secure their next round of funding. Investors want to see evidence that the technical, regulatory, and IP risks have been considered. A Phase 0 report and early proof-of-concept prototyping can make that case.

Physician-inventors who have identified a real clinical problem and may or may not have a concept for solving it, but need help evaluating whether and how a solution can be brought to market. Our team brings the engineering, regulatory, and IP expertise that complements your clinical insight.

Companies evaluating a new product line or adjacent indication who need an objective, multi-disciplinary review before greenlighting a project internally.

In all cases, Phase 0 is designed to be accessible. The scope and deliverables are customized to each project, so the engagement scales with your budget and timeline. 

What Does Kapstone Evaluate in Phase 0?

Technical & Engineering Viability

The first question is whether the concept can be designed and built. Kapstone evaluates the technical features of your device against its intended clinical use, including design constraints, component-level risks (materials, tolerances, wear, fatigue, sealing), and the feasibility of the core mechanism. We also take this opportunity to brainstorm alternative design approaches, opening the funnel before narrowing it. Having multiple concepts on the table early rather than locking in the first idea often leads to a stronger, more defensible product down the line.

Regulatory Assessment

Understanding the regulatory pathway early isn't optional. It drives your entire project timeline and budget. During Phase 0, Kapstone's regulatory team will assess the likely device classification, identify the most probable submission pathway (e.g., 510(k), De Novo), flag any applicable standards, and outline anticipated verification and validation requirements. We will also identify potential predicate devices on the market, which is critical groundwork for any 510(k) submission.

Getting this right at the start prevents the kind of costly course-corrections that happen when regulatory strategy is treated as an afterthought.

Intellectual Property & Competitive Landscape

Phase 0 includes a preliminary Freedom-to-Operate analysis, an informal but important check on whether your concept could infringe on existing patents. Beyond infringement risk, our market experts and engineers will work with our long-term partnered law firm specialized in medical devices to survey the competitive IP landscape, identify areas of potential patentable novelty, flag design-arounds, and help position the concept for long-term IP value. We'll also look at the competitive product landscape: who else is in the space, how your device compares, and what makes it differentiated.

Manufacturing & Supply Chain Considerations

There is a significant difference between a prototype and a product you can manufacture at scale. Phase 0 includes an early look at Design for Manufacturability (DFM), assessing where the device could be sourced, what a supply chain might look like, whether raw materials are readily available with a track record of biocompatibility, and what the cost of goods sold (COGS) might look like at scale. Identifying manufacturing risks early avoids the expensive redesigns that happen when a product is engineered without considering how it will actually be produced.

Market Validation & Financial Modeling (as applicable)

For clients who need it, Phase 0 can also include Voice-of-Customer research with clinicians and key opinion leaders, competitive product analysis, total addressable market sizing, and a preliminary financial model including estimated COGS, revenue potential, and capital requirements. These elements directly support the investor conversations that most early-stage companies are navigating at this point in their journey. 

What Does Phase 0 Feasibility Enable You to Do?

De-Risk Early. The cost of discovering a fundamental problem in Phase 0 is a fraction of what it costs to discover that same problem in Phase 2 or 3. Completing critical assessments before starting a full development program is one of the highest-leverage investments an early-stage company can make.

Evaluate Holistically. Real feasibility isn't just a technical question. It spans engineering, regulatory, IP, manufacturing, and commercial viability. Kapstone's integrated team covers each of these disciplines, and the Phase 0 report reflects that breadth.

Open the Design Funnel. One of the most valuable things that happens in Phase 0 is brainstorming. Before locking in on a concept, it's worth asking whether there's a better one. Teams that pursue multiple design directions early consistently end up with stronger products and stronger patent portfolios.

Build Investor Confidence. A thorough Phase 0 report, paired with early-stage concept prototyping, transforms a speculative pitch into a data-driven investment case. It shows investors that the technical, regulatory, and IP risks have been evaluated, and that the team behind the project knows what they're doing.

Why Kapstone Medical?

Kapstone was founded in 2007 and has spent nearly two decades helping startups, physician-inventors, and established companies navigate the full arc of medical device development from early concept through commercialization. Our team brings that experience to every Phase 0 engagement, which means we know what investors want to see, what the FDA will ask, what manufacturing will require, and what the patent landscape looks like before you've spent your development budget.

Phase 0 deliverables are customized to the needs of each project. While some components can be completed individually, we strongly recommend covering technical viability, regulatory, IP, and manufacturability together to produce a comprehensive, risk-aligned assessment that genuinely prepares you for what comes next.

For more detail on how Kapstone approaches the full NPD process, download our New Product Development Roadmap.

Ready to get to work? If Kapstone sounds like the right fit for your project or you have further questions, please reach out to our team.