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Healthcare innovation often evokes images of medtech giants, machine learning and AI diagnostics, or robotic surgery. Much of the health-tech industry remains focused on large, complex systems that demand extensive integration and prolonged implementation. Increasingly, however, a quieter form of ingenuity is taking shape.<\/p>\n
Across hospitals and clinics, a growing number of physicians are embracing micro-innovation<\/a>\u2014the art of solving finite problems with precise, practical solutions<\/a>.<\/p>\n Here, I speak with two physicians\u2014Dr. Kevin Spencer<\/a> and Dr. Manju Chacko Dawkins<\/a>\u2014whose micro-innovations are reshaping everyday clinical care where it\u2019s needed most: at the bedside. Each shows that transformative ideas can emerge when individual clinicians build companies from the ground up to tackle clinical barriers firsthand.<\/p>\n When Engineering Meeds Medicine<\/p>\n Headshot of Dr. Kevin Spencer<\/p>\n Ring Rescue<\/p>\n For Dr. Kevin Spencer, an emergency medicine physician in Canada and the CEO of Ring Rescue<\/a>, innovation began on a late-night shift with a patient\u2019s swollen finger and a stuck ring, a time-sensitive condition that could lead to irreversible finger injury.<\/p>\n \u201cEvery Emergency doctor knows this scenario,\u201d Spencer told me. \u201cThe patient\u2019s finger is swelling and suddenly you\u2019re reaching for pliers or a Dremel tool to improvise a way to cut the ring off. It\u2019s archaic–and often unsafe.\u201d <\/p>\n Spencer, who holds an engineering background, realized that medicine had normalized a hardware-store approach to a medical problem. \u201cWe wouldn\u2019t use power tools on a patient for anything else. Yet this quietly emerged as a treatment approach.\u201d<\/p>\n Together with his cofounders, also engineers, Spencer began prototyping a safer alternative in his basement in 2018. What started as a side project became a company that employs 17 people, operates its own compliant manufacturing facility, and distributes devices across top U.S. hospitals.<\/p>\n From Basement Prototype to Market Launch<\/p>\n Ring Rescue\u2019s first product\u2014a medical-grade compression device\u2014helps safely remove rings by reducing finger swelling instead of ring cutting. Their second device is a medical-grade precision-powered ring cutter that replaces the crude mechanical cutters that hospitals had used for decades, that are ineffective against modern, more durable rings.<\/p>\n Spencer shared that his company\u2019s progress wasn\u2019t driven by luck, but by methodically navigating the medical device ecosystem\u2014a path many clinicians underestimate or are unfamiliar with.<\/p>\n \u201cEven if your product solves a real problem, it\u2019s not enough to be clever,\u201d he said. \u201cHealthcare is a regulated industry, and tools used on patients must meet certain standards. Early clarity on your regulatory pathway is important, as it helps shape feasibility and complexity..\u201d<\/p>\n Photo of the RingRescue Dolphin removing a ring<\/p>\n RingRescue<\/p>\n For Ring Rescue, that meant understanding FDA classifications early, since medical devices are regulated differently from other consumer products. The compression device gained regulatory clarity through the FDA\u2019s 513(g) process, a formal pathway for determining a product\u2019s classification. The FDA ultimately designated it a Class I medical device\u2014the lowest regulatory burden. Ring cutters, including the Dolphin Ring Cutter, already fall under the Class I category, though manufacturers must still register and uphold quality standards.<\/p>\n Spencer emphasizes that compliance with medical regulation isn\u2019t optional; it\u2019s the foundation of credibility. \u201cIf a hospital\u2019s biomedical engineer can\u2019t verify that your device meets electrical and safety standards, it doesn\u2019t matter how much clinicians love it\u2014you won\u2019t get through the door.\u201d<\/p>\n The company also conducted safety research to determine compression times and pressures, drawing from blood pressure and surgical tourniquet literature. \u201cWe wanted the data to be bulletproof,\u201d he said. \u201cIf you\u2019re asking clinicians to change behavior, you need science and safety on your side.\u201d<\/p>\n Selling Product Into a Healthcare System<\/p>\n Even after certification, Spencer discovered that selling to hospitals was another challenge entirely. \u201cIn healthcare, the person who wants your product isn\u2019t always the person who buys it,\u201d he said. A company has to find the clinician who loves it, the administrator who approves it, and the biomedical engineer who certifies it. “Each has a different reason to say yes or no,\u201d he shares.<\/p>\n Ring Rescue now has over 1,900 units in circulation and 45,000 single-use cutting discs sold since 2022. About 80% of their clients are major U.S. hospitals, and adoption continues to grow.<\/p>\n \u201cThese targeted innovations don\u2019t demand a billion-dollar budget,\u201d Spencer said. \u201cIt demands empathy for shared pain points, innovation in solving the problem\u2014and persistence.\u201d<\/p>\n Tackling Needle Pain: Thimble\u2019s Micro-Innovation<\/p>\n Headshot of Dr. Manju Dawkins<\/p>\n Dr. Manju Dawkins<\/p>\n That same empathy drives Dr. Manju Chacko Dawkins, dermatologist and founder of Thimble<\/a>, a company reimagining needle care. Her idea was sparked when she took her young daughter for her first vaccinations.<\/p>\n \u201cI\u2019d performed hundreds of injections,\u201d Dawkins said, \u201cbut watching my child\u2019s anxiety changed how I thought about needle pain. It wasn\u2019t just a momentary issue\u2014it was a barrier to care.\u201d<\/p>\n