A manual, hand-held instrument designed to measure only the maximum rate of expiratory gas flow [peak expiratory flow (PEF) or peak expiratory flow rate (PEFR)] from the lungs. It typically includes a tube for patient exhalation, an easy-to-grip handle, and...
A hand-held manual (non-electronic) attachment in the form of a large, easy-grip knob intended to be attached to the manual control of a medical device (e.g., endoscope) to assist a healthcare professional to operate the device. This is a reusable device.
A hand-held manual (non-electronic) attachment in the form of a large, easy-grip knob intended to be attached to the manual control of a medical device (e.g., endoscope) to assist a healthcare professional to operate the device. This is a single-use device.