Glossary term
Medical Device
Engineered product or system intended for medical use, requiring controlled design, risk management, validation, and lifecycle oversight.
Definition
deviceA medical device is an engineered product or system intended to support diagnosis, monitoring, treatment, compensation, prevention, or clinical workflow.
Medical devices may be mechanical, electronic, software-driven, implantable, wearable, sterile, reusable, disposable, diagnostic, therapeutic, surgical, or laboratory-facing. Engineering control depends on intended use, user population, body interface, failure consequence, manufacturing process, validation evidence, and lifecycle feedback.
A medical device is an engineered product or system intended for medical use. It may measure a physiological quantity, support diagnosis, deliver therapy, replace or support a body function, guide surgery, monitor a patient, sterilize equipment, process laboratory samples, or support clinical workflow.
The engineering boundary is defined by intended use. A device can be safe and effective in one use context and unsuitable in another. User population, patient population, body interface, duration of contact, clinical environment, maintenance route, software configuration, accessories, and failure consequence all shape the design controls.
Engineering use
Medical device engineering connects requirements, hazards, risk controls, design verification, validation, usability, manufacturing control, software lifecycle, electrical safety, biocompatibility, sterilization, packaging, calibration, maintenance, and post-market feedback.
A device may include hardware, firmware, software, consumables, accessories, data interfaces, service tools, labeling, and procedures. The system should be validated as used, not only as individual components.
Common mistakes
A common mistake is treating a medical device as ordinary hardware with extra documentation. The clinical claim, user workflow, patient interface, failure consequence, and lifecycle controls are part of the engineering problem. A strong review states intended use, users, patient population, environment, risk controls, verification evidence, validation evidence, manufacturing controls, and field feedback plan.