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Defibtech DDU-100 Series User Manual

Page 56

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8.1.3 Defibrillator

Category

Specification

Waveform

Biphasic Truncated Exponential

Energy

Adult: 150 Joules*

Infant / child: 50 Joules*

Charge control

Automatic by Patient Analysis System

Charge time from shock-advised

Typically < 6 seconds with a fresh DBP-2800 battery pack

and < 9 seconds with a fresh DBP-1400 battery pack.

Charge time may increase at the end of battery life and for

temperatures below 10°C.

Charge complete indication

• SHOCK button flashing
• “Press Shock button” voice prompt

Shock delivery

Shock is delivered by a single SHOCK button

DISARM

Automatic

• If Patient Analysis System decides rhythm is no longer

shockable, or

• Within 30 seconds after Charge complete, if operator

has not pressed SHOCK button, or

• If defibrillation pads are removed from patient or

unplugged from unit.

Manual

• If operator presses the OFF/DISARM button at any time

to disarm and turns off the device.

* nominal (±15%) delivered into a 50 ohm load.

8.1.4 Waveform Specifications

The DDU-100 AED delivers a 150J Biphasic Truncated Exponential waveform to patients with
impedances ranging from 25 to 180 ohms.

V

V max

V min

A

B

V1

V1'

t

The waveform is adjusted to compensate for measured patient impedance. Nominal phase times
and energy delivered are shown in the tables that follow.