crwdns2931319:0crwdne2931319:0 Maquet Servo 900

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Repair and service information for the Maquet Servo 900, a ventilator originally sold by Siemens but since claimed by Maquet.  It comes with a Pneumatic unit and Electronic unit.

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[flag|biomed]

== Background and Identification ==

The Maquet Servo 900 is a “Positive Pressure Invasive Conventional” ventilator,  meaning that both lungs can be individually ventilated with multiple units and it can be used in scenarios such as MRI scans. The development of parts for this device started in the 1960s, and the device was available for shipment starting in 1971. Since then it has developed into the Servo 900 B and Servo 900 C which are sold to this day.

The Maquet Servo 900 was originally manufactured and sold by Siemens, which was purchased by Maquet. This device is used on patients of all ages from newborns to adults. The device can be found on the used market from around $500 to $1500 USD.  A recall was issued in 2010 for risk of damaging the ventilators pressure transducers when the device is used with a system with below 100cm H2O pressure.

== Technical Specifications ==

***''++Manufacturer:++''*** SERVO

***''++Front Panel Controls:++''***

* Mode
* Minute Volume
* Tigger Sensitivity Below PEEP
* Upper Pressure Limit
* PEEP
* Inspiratory Pressure Limit above PEEP
* Frequency (with range toggle)
* Inspiratory Flow Limit and Waveform
* Inspiratory Time %
* Pause Time % (Inspiratory Pause)

***''++Rear:++''***

* Outputs for auxiliary equipment
* Control terminal
* Recorder output
* Mains inlet socket
* Operating time meter
* Equipotential socket
* On/off Switch
* Fuse holders
* Mains inlet socket

***''++Alarm Controls:++''***

* High Pressure: 20 to 100 cmH2O
* Low Pressure: 20 to 100 cmH2O
* High Expired minute volume: 3 to 34 L/min (adults) or 0 to 4.3 L/min (infants)
* Low Expired minute volume: 0 to 37 L/min (adults) or 0 to3.7 L/min (infants)
* High O2%: 30% to 100%
* Low O2 %: & nb

***''++Characteristics:++''***

* Ventilator type: Positive Pressure Invasive Conventional
* Ventilator class: Intensive Care Unit (ICU) Transport Subacute
* Modes: Invasive
* Pressure-Controlled Modes: SIMV(spontaneous breaths), SIMV + Pressure support, Pressure control, Pressure support, CRAP
* Flow-controlled Modes: Volume control, Volume control sight, SIMV (mandatory breaths)
* Waveforms: Pressure: Rectangular, Flow: Rectangular, Ascending-Descending ramp

***''++Operating Range of Controls:++''***

* Trigger Sensitivity Below PEEP: 0 to 20 cmH2O
* Frequency: 10-120 breaths/min
* SIMV breaths: Upper range=4-40 breaths/min
* Lower range=0.5-4 breaths/min
* Upper Pressure Limit: 0 to 100cm H2O above set PEEP
* PEEP: 10 to 50 cm H2O
* Inspiratory Pressure Limit above PEEP: 16 to 120 cm H2O above ambient
* Inspiratory Flow Limit: 0.5 to 40 L/min
* Inspiratory Time %: 20%, 25%, 33%, 50%, 67%, or 80%
* Pause Time % (Inspiratory Pause): 0% to 30%
* Triggering: Pressure, time
* Power: AC 110V/60Hz

== Additional Information ==

* [https://www.getinge.com/dam/hospital/documents/user-manuals/english/servo-900c-operating-manual-um6978761-rev09-en-global-en-global.pdf|Operating Manual]
* [https://www.incav.com/products/ventilators28|Equipment Information]
* [https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfres/res.cfm?id=86682|Device Recall]
* [http://www.criticalcarenews.com/contentassets/c391d15e6390452ea065b9a1962769c6/mx-5796---03.00---servou_ccn_olch_first_impression_2013_en_all.pdf|Reviews]

[document|37136]

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Maquet Servo 900c 900d 900e Se.pdf

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Maquet Servo Ventilator 900 C Operating Manual.pdf

Maquet Servo 900c 900d 900e Service manual.pdf

Tsonga

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