Defibtech DDU-120 Series - Manual (Page 9)

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DAC-530E-EN-BH
1 Introduction to the DDU-120 Series AED
This User Manual provides information to guide trained operators in the use and maintenance of the
Defibtech DDU-120 series Fully Automatic External Defibrillator (“AED”) and its accessories. This
chapter includes an overview of the AED, a discussion of when it should and should not be used, and
information on required operator training.
1.1 Overview
The DDU-120 AED is a Fully Automatic External Defibrillator (“AED”) that is designed to be easy
to use, portable and battery powered. It has only one user control: the ON/OFF button. Voice
prompts and visual indicators provide a simple interface for the operator. The DDU-120 AED is
capable of recording event information including ECG, audio data (optional), and SHOCK/NO-SHOCK
recommendations.
When connected to a patient who is unconscious and not breathing, the DDU-120 AED performs the
following tasks:
• Prompts the operator to take necessary actions to enable analysis.
• Automatically analyzes the patient’s ECG.
• Determines whether a shockable rhythm is present.
• Charges the defibrillation capacitor.
• Automatically (without user intervention) delivers a shock once the device has determined a
shock is required.
• Prompts the user to administer CPR if needed.
The DDU-120 AED will shock the patient automatically, without additional interaction by the user, if a
shock is required.
The DDU-120 AED uses two self-adhesive defibrillation/monitoring pads to monitor ECG signals and,
if necessary, to deliver defibrillation energy to the patient. These pads (also known as electrodes) are
provided in a single-use, disposable package.
The DDU-120 AED determines proper pad-to-patient contact by monitoring the impedance between
the two pads (impedance varies with the electrical resistance of the patient’s body). Visual and audio
prompts inform the operator of possible problems with patient contact. Voice prompts and visual
indicators communicate the status of the AED and of the patient to the operator. The DDU-120 AED
has one push-button control and several LED indicators.