Medical Device Glossary (2026)
41 terms defined for physicians evaluating capital equipment.
Last updated: 2026-04-09
Medical device manufacturers love proprietary terminology. Every brand claims their version of an underlying technology is uniquely superior, often using language that sounds technical but obscures whether the device offers a meaningful advantage over alternatives. Physicians evaluating capital equipment in the $15,000 to $250,000 range need a baseline understanding of the technologies behind the marketing.
This glossary covers the core technologies physicians encounter when shopping for aesthetic, neuromodulation, rehabilitation, and diagnostic devices. Each entry explains the underlying mechanism, FDA status, primary clinical applications, and the major devices that use the technology. We also flag the questions worth asking sales reps once you understand how a technology works in practice.
Use the glossary to pressure-test vendor claims, prepare for manufacturer sales calls, or refresh your understanding before recommending a treatment to a patient. Every entry links to the relevant device reviews and manufacturer profiles for deeper diligence.
How to use this glossary
The Device Pulse glossary is organized by technology category, not alphabetically. Each entry covers what the technology is, how it works, FDA regulatory status, primary clinical applications, key devices in the category, manufacturers, and the questions physicians should ask sales reps when evaluating devices in the category.
The most useful application is pre-call preparation. Before a manufacturer sales meeting, look up the underlying technology of the device they're pitching. Understand the mechanism, the alternatives, and the questions that separate marketing claims from clinical reality. You'll have a dramatically better sales conversation when you can ask informed questions instead of accepting the rep's framing.
The second use case is verification. When a competitor pitch claims their device is technologically superior, the glossary helps you verify whether the claim is real differentiation or marketing positioning. Two devices using the same underlying technology can have different implementations, but they're rarely categorically superior to each other on the underlying mechanism.
What's missing from manufacturer marketing materials
Manufacturer marketing rarely covers the questions physicians need answered when evaluating a technology. Sales decks focus on best-case clinical results, brand-specific terminology that obscures alternatives, and selective competitor comparisons. The glossary fills the gap by explaining what each technology does, where it competes against alternatives, and what realistic clinical outcomes look like across the category.
The most useful framework for any new technology is: what problem does it solve, how does it compare to existing alternatives, what's the underlying mechanism, what are the realistic outcomes (not best-case), what does it cost to own and operate, and what's the failure mode when it doesn't work. Manufacturer marketing rarely answers more than two of those questions head-on. The glossary is designed to answer all six.
Use the glossary as a checkpoint before any major purchase decision. If you can't explain a technology in your own words after reading the manufacturer's pitch, you don't understand it well enough to make an informed buying decision. Come back to the glossary, read the entry, and try the explanation again. The buyers who understand their technology make better decisions and capture more value from negotiations.
Technology vs implementation: why both matter
One of the most common confusion points in medical device buying is the distinction between a technology and a specific device's implementation of that technology. Two devices that both use HIFEM, RF microneedling, or focused ultrasound can have different clinical outcomes depending on power output, depth control, applicator design, software refinement, and operator interface.
The glossary entries cover the underlying technology. The device profiles cover specific implementations. The right diligence sequence is to read the glossary entry first to understand the technology category, then read the device profiles to compare specific implementations. Skipping the technology layer leads to buyers who can't differentiate between competing devices because they don't understand what makes the implementations different.
For example: Morpheus8, Genius, EXION, Vivace, and Potenza all use RF microneedling technology. They all penetrate skin with insulated or non-insulated needles and deliver bipolar RF energy at controlled depths. But they implement the technology differently. Morpheus8 has the deepest penetration. Genius uses real-time impedance monitoring. EXION adds AI-driven energy delivery. Vivace uses LED light alongside RF. Potenza offers four energy modes. The technology is the same; the implementations produce different clinical outcomes and economic profiles. Understanding both layers is the key to making informed decisions.
This is why the glossary entries link to specific device profiles and the device profiles link back to glossary entries. Toggle between the two views as you research a category, and you'll develop a much sharper understanding of which devices are real differentiators versus which are marketing positioning around the same underlying technology.