
Puritan Bennett 840 Ventilator
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Ideal body weight (IBW): 0.3 to 7.0 kg with NeoMode 2.0 (0.66 to 15 lbs), 7.0 to 24 kg (15 to 53 lbs), 25 to 150 kg (55 to 330 lbs)
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Modes: Assist/Control (A/C), synchronized intermittent mandatory ventilation (SIMV), or spontaneous (SPONT), Bi-Level
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Software Options: NeoMode 2.0, Leak Compensation, Tube Compensation, Bi-Level, Volume Ventilation Plus (Volume Control Plus and Volume Support), Proportional Assist™* Ventilation Plus (PAV™*+), Respiratory Mechanics and Trending
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Mandatory breath types: Volume Control (VC), Pressure Control (PC) or Volume Control Plus with Volume Ventilation Plus option
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Spontaneous breath types: Pressure Supported (PS), Volume Supported (VS), Proportional Assist (PA), none
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Vent type: Invasive or Noninvasive
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Pressure support (PSUPP): 0 to 70 cm H2O
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Rise time %: 1% to 100%
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Expiratory sensitivity (ESENS): 1% to 80%; 1 L/min to 10 L/min with PAV™*+
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Tidal volume (VT): 25 to 2,500 mL, 2 to 315 mL with NeoMode
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Respiratory rate (f): 1.0 to 100 /min, 1 to 150 /min with NeoMode
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Peak inspiratory flow (VMAX): 3 to 150 L/min for IBW > 24 kg; 3 to 60 L/min for IBW ≤ 24 kg, 1 to 30 L/min with NeoMode
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Flow pattern: Square or descending ramp
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Plateau time (TPL): 0.0 to 2.0 seconds
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Inspiratory pressure (PI): 5 to 90 cm H2O
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Constant during rate change: Inspiratory time (TI), I:E ratio or expiratory time (TE)
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Inspiratory time (TI): 0.2 to 8.0 seconds
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I:E ratio: ≤ 1:299-4.00:1
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Expiratory time (TE): TE ≥ 0.2 second
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Trigger type: Pressure (PTRIG) or flow (VTRIG Flow-by flow triggering)
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Pressure sensitivity (PSENS): 0.1 to 20 cm H2O below PEEP
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Flow sensitivity (VSENS): 0.2 to 20 L/min, 0.1 to 10 L/min with NeoMode
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O2%: 21% to 100%
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PEEP: 0 to 45 cm H2O
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Apnea ventilation: Apnea mandatory type-volume control (VC) or pressure control (PC)
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Apnea flow pattern: Square or descending ramp
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Apnea peak flow (VMAX): ≥ 1.0 L/min to ≤ 30 L/min, ≥ 3.0 L/min to ≤ 60 L/min, ≥ 3.0 L/min to ≤ 150 L/min
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Apnea tidal volume (VT): 3 mL to 315 mL for neonatal; 25 mL to 2500 mL for ped/adult
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Apnea inspiratory pressure (PI): 5 to 90 cm H2O
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Apnea inspiratory time (TI): 0.2 to 8.0 seconds
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Apnea interval (TA): 10 to 60 seconds
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Apnea respiratory rate (f): 2.0 to 40 1/min
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Apnea O2%: 21% to 100%
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Apnea expiratory time (TE): ≥ 0.2 seconds
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Disconnect sensitivity (DSENS): 20% to 95% or OFF in NIV
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Humidification type: Heat-moisture exchanger (HME), nonheated expiratory tube or heated expiratory tube
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Humidification volume: 100 to 1,000 mL
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Patient circuit type: Pediatric, adult or neonate with NeoMode option
Warranty: 6 months
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