When buying a motor car we are naturally drawn to the vehicle’s acceleration (0-60 mph), braking (60-0 mph) and other performance indicators.
We use this information to assess the vehicle’s ability to perform efficiently, economically and, most importantly, safely.
In 2008, a group of clinicians in Toulouse, France, investigated the ‘acceleration’(agent wash-in) and ‘braking’(agent wash-out) performance of breathing circuits on two1 leading anaesthesia machines, to benchmark the efficiency, economy and safety. With compelling results2...
The response time and circuit kinetics of the Avance ABS were found to be faster than Dräger Primus3:
‘Time to reach the target concentrations are statistically significantly shorter with Avance than with Primus on all saturation and washout profiles.’
‘Avance*, with a reduced volume breathing circuit (2,7 litres versus Primus’ 4,5 litres) mainly through excluding manual circuit (balloon gas mixer) during mechanical ventilation; moreover tubular geometry of the breathing circuit generates less turbulences and allows faster sevoflurane saturation and washout.’
We regard breathing circuit performance as a fundamental requirement of a modern anaesthesia machine and should not be compromised.
So much so, we have ‘platformed’the ABS on our Aisys, Avance* and Aespire family anaesthesia systems. This means that whether you choose Aisys, Avance or an Aespire, you are not compromising on the breathing circuit performance for your patients.
1 Avance* from GE Healthcare and Drager Primus.
2 Comparison of Saturation and Washout Kinetic Profiles for Sevoflurane in Two Ventilators: Bertrand Basset et al, ASA 2008; A782
3 Primus is a trademark of Drägerwerk AG & Co. KGaA
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