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The Operating Theatre Journal November 2020

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The Mölnlycke trademarks, names and logos are registered globally to one or more of the Mölnlycke Health Care group of

companies. © 2020 Mölnlycke Health Care. All rights reserved. UKSU0136.

Keeping eyes on the patient: Mindray confirms new anaesthesia

machines will launch in the UK

Mindray has announced it will be launching its new A8 and A9

anaesthesia machines in the UK market.

The two systems are the medical device manufacturer’s most advanced

anaesthesia products to date, offering market-leading connectivity

options and innovative patient safety features.

Both the A8 and A9 are the first devices in the industry to have integrated

high flow nasal cannula (HFNC) technology within the anaesthesia

machine.

The feature helps extend the window of therapeutic action for

anaesthetists by prolonging safe apnoeic oxygenation levels, allowing up

to 30 minutes of safe oxygenated apnoea time. Studies by the British

Journal of Anaesthesia found that HFNC can more than double the

average duration of aponea before desaturation.2,3

Data from a wide range of external monitoring modules such as bispectral

index, neuromuscular transmission and intravenous imaging, can be

seamlessly integrated and displayed by the new devices without any extra

monitoring screens.

Enabling anaesthetists to collect more data at a glance, the modular

design also fulfils the need for fewer devices in theatre, allowing

anaesthetists to utilise a larger workspace and spend more time closely

observing their patients.

A study in the Anesthesia & Analgesia journal found that anaesthesiologists

look at their monitor in one to two second glances, therefore displays

should be developed to optimise this short window of information.1

In order to optimise gas usage and quickly provide a balanced response

to changes in patient status without user intervention, the A9 uses

Automatic Controlled Anaesthesia (ACA). Through its precision electronic

vaporiser and ACA platform, the A9 adjusts fresh gas and vaporiser

output to hit patient targets using both end-tidal and inspiratory oxygen

measurements.

The new systems also utilise a suite of gas reduction tools to minimise

the environmental and economic impact of surgery by preventing leakage

and managing usage, improving patient safety in the process. Both the

A8 and A9 can offer suggestions on optimal fresh gas flow, provide realtime

usage metrics, pause to prevent leakage, and indicate flow rate

abnormalities.

Mindray A9 (in use)

Mindray’s innovative volume exchanger design allows the two devices to

deliver ICU-level ventilation, offering greater precision and protection for

all patients during ventilation. The system has no moving parts and is

supported by a range of protective ventilation tools, offering reliable and

safe ventilation to reduce the occurrence of post-operative complications.

The devices demonstrate Mindray’s commitment to improving connectivity

by easily connecting to existing devices and patient data management

systems, from central workstations to bedside monitors. Both systems can

also be configured for up to 10 individual patient profiles, an industry-first.

This interconnected approach provides greater data visibility throughout

the patient journey, minimising risks and improving patient care.

For more information, please register for the online product launch

https://www.mindray-virtual.com/login

References:

1. Ford S, et al. At-a-Glance Monitoring: Covert Observations of Anesthesiologists in the

Operating Room, Anesthesia & Analgesia 2010; 111: 653 – 658.

2. Gustafsson I, et al. Apnoeic oxygenation in adults under general anaesthesia using

Transnasal Humidified Rapid-Insufflation Ventilatory Exchange, British Journal of

Anaesthesia 2017; 118: 610–177.

3. Frerk C, Mitchell VS, McNarry AF, et al. Difficult Airway Society 2015 guidelines for

management of unanticipated difficult intubation in adults. British Journal of Anaesthesia

2015; 115: 827–48.

When responding to articles please quote ‘OTJ’

Find out more 02921 680068 • e-mail admin@lawrand.com Issue 362 November 2020 11

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