(aviation) A hose or tube that connects directly to an oxygen (O2) bottle/source from the user's nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus.
“These include catheters and mandrels, stents, needles, cannulae, cardiac assist devices, prosthetics, and electronic circuitry.”
“The company's surgical navigator uses radiographic imaging to help a surgeon accurately guide cannulae and surgical instruments to targeted areas of the spine.”
“The flexible inner and outer cannulae work together to provide the best fit for unusual anatomies.”