ResMed's Astral 150 life support ventilator offers excellence in invasive and non invasive ventilation without compromise. From initial setup to everyday use, Astral offers greater freedom, confident care and designed efficiency to enrich life for you and your patients. Astral's discreet and lighweight design coupled with 24 hour run time (with combination of internal and external batteries) provides greater freedom and makes patient transfers easier. It delivers excellence in leak and valve ventilation for invasive and non invasive applications as well as providing a  full suite of therapy modes to suit adult and peadiatric applications. With easy setup, simple servicing and an intuitive interface, Astral is designed to make ventilation support straightforward and efficient

Key Features - 

• Height - 93 mm
• Weight - 3.2 kg
• Breadth - 215 mm
• Length - 285 mm
• Sound pressure level - 35 ± 3 dBA as measured according to ISO80601-2-12:2011.
• Maximum single fault steady pressure - 60 hPa (in all modes)
• Breathing resistance under single fault - Paediatric circuit Inspiration: 2.2 hPa (at 15 L/min), 5.3 hPa (at 30 L/min) Expiration: 2.4 hPa (at 15 L/min), 5.0 hPa (at 30 L/min) Adult circuit Inspiration: 5.7 hPa (at 30 L/min), 8.3 hPa (at 60 L/min) Expiration: 4.2 hPa (at 30 L/min), 6.2 hPa (at 60 L/min)
• Max Flow - 220 L/min
• Operating pressure range - Single limb with valve or double limb with valve: 3 to 50 hPa Single limb with intentional leak: 2 to 50 hPa CPAP: 3 to 20 hPa Maximum working pressure limit: 10 to 55 hPa Forced cycling occurs if the Pressure alarm limit is exceeded
• IEC 60601-1 - Class II double insulation Type BF Continuous operation Suitable for use with oxygen.
• Pressure measurement - Internally mounted pressure transducers
• Data storage - 7 days of high-resolution airway pressure, respiratory flow and delivered volume (sampled at 25 Hz). 7 days of breath-related therapy data (sampled at 1 Hz). 365 days of statistical data per program
• Circuit resistance and compliance range for stated accuracy of monitoring and control** - Paediatric patient setting: Circuit resistance range (circuit with intentional leak): 0 to 8 hPa at 60 L/min Circuit resistance range (circuit with valve): 0 to 20 hPa at 60 L/min Circuit compliance range: 0 to 4 mL / hPa Adult patient setting: Circuit resistance range (circuit with intentional leak): 0 to 20 hPa at 120 L/min Circuit resistance range (circuit with valve): 0 to 35 hPa at 120 L/min Circuit compliance range: 0 to 4 mL / hPa
• Modes - Valve Circuit Therapy: CPAP, ACV, PACV, P-SIMV, V-SIMV, PAC Leak Circuit Therapy: CPAP, ST, PAC, iVAPS with iBR and optional Auto EPAP
• Internal Battery - Lithium-Ion battery, 14.4 V, 6.6 Ah, 95 Wh Operating hours (best case): 8 h with a new battery under normal conditions (see below). Test conditions: Adult, P(A)CV mode, P control: 20 cmH2O, PEEP: Off, Rate: 15 bpm, Ti: 1.2 sec. Note: Time may vary with environmental conditions. Total lifetime: 3,000 hours of operation on internal battery Operating hours (worst case) > 4 hour run time under the following conditions: Test conditions: Adult, non-vented, PACV mode, Double limb circuit, Pressure Assist = 30 cmH2O, PEEP = 20 cmH2O Rate:20 bpm, Ti: 1.0 sec, Rise Time = Off, Safety Vt = off, Trig = Off. All other parameters remain at default settings.
• Power supply unit - AC 100–240V, 50–60Hz, 90 W 3.75 A continuous, 120 W / 5A peak 110V/400 Hz
• Operating tidal volume range (volume control modes) - Flame retardant engineering thermoplastic
• Housing construction - Flame retardant engineering thermoplastic
• Inspiratory port / double limb adapter - 22 mm taper, compatible with ISO 5356-1:2004 Anaesthetic & Respiratory Equipment – Conical Connectors null

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