External cardiac stimulator dual-chamber

FIAB 1797 external pacemaker is a compact, temporary dual chamber cardiac stimulator to be used in case of pathological alterations of the heart pulse spontaneous generation or conduction. Powered by an internal battery, it is connected to electro-catheters for temporary atrial, ventricular and AV-sequential stimulation in clinical environment.

Various stimulations modes are available, along with the high rate atrial BURST and RAMP functions. The stimulation mode can be selected via a quick menu together with pulse rate and amplitude, input signal sensitivity (sensing threshold), PVARP, and AV-delay (AVD); the high rate stimulation modes BURST and RAMP can be selected, as well as the BURST rate and the maximal RAMP rate.

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Description

1.1 Safety Function
• First point of the bulleted list (green dot)
• Second point of the bulleted list (green dot)
• Self-test function
• On-line check of batteries charge level, signaling exhaustion both of the main and of the backup battery
• continuing stimulation during battery replacement
• keyboard lock preventing accidental parameters modification
• two-step switching off preventing accidental deactivation of the device
• anti-runaway protection preventing stimulation rate to go out of control
• protection against defibrillator discharge
• protection against electrostatic discharge
• protection against electromagnetic interferences
• continuous check of electrical connections, of load impedance and of stimulating current
• potentially dangerous situations trigger alarms to the user by means of acoustic signals and
corresponding warnings on the display
1.2 Main Operation features
• Single chamber modes: atrial AAI, AAT, A00; ventricular VVI, VVT, V00
• Dual chamber modes: DDD, DDI, D00, VDD, DAI, DVI, VAT
• Pacing and sensing LEDs, showing that electric signals are being sent (pace) or received (sense) by the
device
• Low battery messages warning that the main battery has to be replaced
• Low battery messages warning that the back-up battery has to be replaced
External cardiac stimulator dual-chamber 1797 Information for safety and performance
Stimolatore cardiaco esterno bicamerale 1797 Informazioni per la sicurezza e le prestazioni
Cod. [52509016]IU9A Via Costoli, 4 – 50039 – Vicchio
(Florence, Italy) – www.fiab.it Pag. 2/18
• Upper display dedicated to setting stimulation parameters: amplitude and rate visualized and easily
selectable turning the corresponding knobs
• Quick menu for selecting or changing the stimulation mode
• Lower display dedicated to supplementary menus and messages
• Screenshots of the lower display to regulate additional parameters like sensitivity and the rate dependent
parameters, PVARP and AVD
• Manual or automatic selection of PVARP and AVD
• Alarm/alert messages visualized on the lower display
• LOCK/UNLOCK keyboard button, preventing accidental modifications of the parameters
• PAUSE button suspending stimulation and visualizing the patient intrinsic heart rhythm
• EMERGENCY button shifting to asynchronous dual chamber stimulation (V00) in emergencies