Technical specifications
English
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Intended operator
The patient, carer or clinician is an intended operator of the Astral device.
Some functions and settings can only be adjusted by the clinician (in
Clinical Mode). These functions are disabled / locked from use in Patient
mode.
Operator position
The device is designed to be operated within arm's length. An operator
should position their line of sight within an angle of 30 degrees from a
plane perpendicular to the screen.
The Astral device complies with IEC60601-1:2005 legibility requirements.
Software release compatibility
For information on your device software version, contact your ResMed
representative.
This device is not suitable for use in the presence of a flammable anaesthetic mixture.
*The International ventilator standard indicates that Paediatric patient type is intended to be used for a patient receiving less
than 300 mL, however Astral permits adjustment of ‘Vt’ setting parameter up to 500 mL for cases where ‘Vt’ is set such that it
compensates for leak in the breathing circuit.
WARNING
ResMed does not recommend 500 mL as the upper limit for the pediatric tidal volume use;
however, clinicians may choose this upper limit based on their clinical determination.
** To achieve specified accuracies, a successful Learn Circuit must be performed.
*** Limits are the sum of device and circuit impedance.
**** Individual configurations may be more sensitive.
The life of oxygen cells is described by hours used multiplied by the % of oxygen used. For example 1 000 000 % hours oxygen
cell will last for 20 000 hours at 50% FiO
2
(20 000 x 50 = 1 000 000) or 40 000 hours at 25% FiO
2
(40 000 x 25 - 1 000 000). Astral's
oxygen cell will last for 25,000 hours (1041 days) at 40% FiO
2