Oxygen-conserving devices (OCDs)reduce the amount of oxygen the patient uses,resulting in an overall cost reduction to the patient.The type of OCD that stores oxygen in a chamber during the expiratory phase of respirations is known as the _______________.

Oxygen-Conserving Devices (OCDs)

Devices designed to enhance the efficiency of oxygen delivery, extending the use time of oxygen supplies for patients.

Expiratory Phase

The part of the breathing cycle when air is expelled from the lungs.

Chamber

A compartment or enclosed space, used in various contexts such as part of a firearm, heart, or device.