?:definition
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Security systems designed to identify and track assets (e.g., equipment, instruments) within a healthcare facility and their entry into and exit from the facility. The basic elements of the system are an identification tag, typically attached to a radio transmitter (active tag) or that works with the energy supplied by a location device (passive tag) that is attached to the asset, a tag-detection device (e.g., a reader); dedicated software; and a unit that displays information regarding the asset location, facilitating the control of assets; some systems may also include or interface with audible alarm systems and mechanisms to lock doors or disable elevators. Most asset identification/tracking/security systems use radiofrequency (RF) signals, but systems based on ultrasonic and infrared (IR) technologies, as well as hybrid systems (e.g., RF and IR) are available; some dedicated systems are intended for tracking surgical instruments.
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