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Servo-u Ventilator

Servo-u mechanical ventilator offers you the complete toolkit for Personalized lung and diaphragm protective ventilation

Servo-u Ventilator

Servo-u gives you many options for personalized lung protection and weaning. All are easy to understand, implement and use, making it simple to integrate advanced personalized ventilation strategies into your daily patient care.

*The Servo ventilator and and/or ventilator options presented on this page may be pending regulatory approvals to be marketed in your country. Contact your Getinge representative for more information.


Smiling nurse

Simple to learn, safer to use

“The Servo-u... It looks like a fish in water. If you can find things quickly it makes the patient safe.”

- Respiratory therapist, USA

Nurse looking at the servo-u screen

Protect in time and wean early

“These new tools have the potential to make a significant difference in terms of patient outcomes. They are far ahead of what we are using today!” [1]

- Intensive care physician, Canada

Doctor during administration

Secure investment with high uptime and cost control

“For me, this is a secure investment – a solid product to build on, based on a solid foundation.”

- Intensive care physician and researcher, Brazil

Getting started with the Servo-u ventilator

Educational training video on how to get started using the Servo-u ventilator.

Getting started with NAVA on the Servo-u ventilator

Educational training video on how to get started using NAVA on the Servo-u ventilator.


Personalized ventilation for better outcomes

The physiological challenges of mechanical ventilation requires a powerful toolkit.

Automatic Stepwise Recruitment Maneuver (Auto SRM)

How to use it on the Servo-u ventilator

Ease of use


Simple to learn, safer to use

Servo ventilators build on more than 50 years of close collaboration with intensive care clinicians around the world. The result is clinical innovation, higher levels of patient safety and a superior user experience.[2]


Context-based guidance

Servo-u provides informative guidance for everything from pre-use check to initial parameter setting and throughout the entire treatment.


Safety Scale parameters

The system Safety Scale tool makes parameter changes quick and intuitive, while dynamic images illustrate how those changes may affect ventilation.


Choose your view

  • Basic, Advanced and Loops
  • Distance and Family
  • Servo Compass and Pes & PL

Alarm management

The frame lights up when an alarm is triggered, and this visual signal is easy to see from any view point. On-screen checklists help you to manage each active alarm and avoid undesired alarms.

Ventilation can be complicated. But the ventilator doesn't have to be.

Servo-u delivers many effective options for protective ventilation. All of them more accessible, understandable and easy to implement. [3]  Which means more patients in all phases of ventilation – controlled, supported, non-invasive and during spontaneous breathing trials – can benefit from advanced lung protective strategies.

Clinical impressions of Auto SRM and how to apply the Open Lung Approach

Questions and answers

Personalized ventilation

Personalized lung protection

How do you avoid ventilator-induced lung injuries due to mechanical ventilation? Particularly for patients with acute lung injury or acute respiratory distress syndrome (ALI/ARDS)? Such situations may require protective strategies tailored to meet the individual situation. This is where we can assist. Our tools for personalized lung protection are all designed to help you continuously assess risk, monitor key variables, expedite intervention and improve patient-ventilator interaction.

Protect the lungs and other organs

Certain patient may require personalized lung protection. Servo ventilators allow you to detect risks early and support with timely and consistent implementation of your personalized ventilation strategies. With a Servo, you can tailor and monitor the ventilation to keep within a lung- and diaphragm-protective range that meets hospital protocol. All to reduce the risk of ventilator induced lung injuries. [4] [5]

Servo compass

Servo Compass

Servo Compass makes it easy to see when plateau/driving pressure or tidal volume per predicted body weight (VT/PBW) are off pre-defined targets and interventions are needed.[6] Precisely calculated Dynamic compliance (Cdyn) and Stress index (SI) complete the picture, helping you detect changes in lung volume and verify over-distension. [7],[8],[9]

Open Lung Tool

Open Lung Tool

Open Lung Tool trends helps you assess lung mechanics and gas exchange – breath-by-breath, in real time and retrospectively. It provides flexibility and guidance when personalizing PEEP and driving pressure during recruitment maneuvers, prone positioning and extracorporeal life support. Stress index, carbon dioxide elimination and transpulmonary pressures are also fully integrated.

Automatic recruitment maneuvers

Automatic recruitment maneuvers

Auto SRM is an automatic workflow for Stepwise recruitment maneuvers based on the Open Lung approach.[10]
The tool guides you smoothly through recruitment, decremental PEEP titration, re-recruitment and post-recruitment personalization of PEEP and driving pressure, based on optimal Cdyn. Diagnostic features include assessment of recruitability and additional decision support when patients do not respond to the recruitment maneuver.[11]


Transpulmonary pressure

To simplify esophageal manometry and improve accuracy, we have developed an automatic maneuver to validate balloon positioning and filling. A diagnostic view provides esophageal (Pes) and transpulmonary (PL) pressure waveforms, with key parameters for safety assessment of controlled and spontaneous ventilation. The relationship between airway and transpulmonary pressures is now much more intuitive.

Target protective tidal volumes

Target protective tidal volumes

PRVC is a true volume-targeted mode that automatically adapts the inspiratory pressure to account for rapid changes in lung mechanics. Separated regulation
of controlled and assisted breaths reduces tidal volume variations and ensures lower driving pressure. A low tidal volume strategy can therefore be maintained
when a patients start breathing spontaneously.

Soothing Heliox therapy

Soothing Heliox therapy

Heliox is our therapy option for patients having difficulty breathing due to airway resistance associated with various types of respiratory disease. Safe, reliable and easy to use, Heliox is a mixture of helium and oxygen that, due to its low density, facilitates laminar flow and minimizes airway pressure. The illustration above shows Heliox therapy promotes better laminar flow with less turbulence in a typical asthma patient.[12]

Personalized weaning

What if a patient’s brain could direct a mechanical ventilator, easing them more quickly off respiratory support? That’s the idea behind one of our key weaning tools that lets you monitor diaphragm activity (Edi) and deliver a personalized level of assistance in the NAVA mode. Together with other tools and therapies like Non-invasive ventilation and High Flow therapy, there are numerous ways to personalize weaning to ease the patient off the ventilator and restore normal breathing.

Wean early with an active diaphragm

Recent clinical studies reveal that diaphragm weakness is prevalent (23–84%) in ICU patients and consistently associated with poor outcome.[13] Servo-u lets you monitor the patient‘s diaphragm activity (Edi) to personalize ventilation for successful weaning.

Servo-u screen

Ease the transition to spontaneous breathing

The interactive Automode eases the transition to spontaneous breathing for patients and staff. It switches seamlessly between controlled and supported modes depending on patient effort. There are three combinations available for Automode:

Diagnose Breathing

Diagnose breathing and start weaning

Edi – the vital sign of respiration – is a bedside diagnostic tool that allows you to monitor and safeguard the patients diaphragm activity.[14],[15] Servo-u lets you visualize Edi on screen, making it easier to identify over-assist, over-sedation and asynchrony when optimizing ventilation delivery and assessing weaning readiness. The result: earlier and more informed interventions.[16],[17]

Activate diaphragm

Activate the diaphragm and protect the lungs

NAVA (Neurally Adjusted Ventilatory Assist) uses the Edi to deliver personalized support, invasively and noninvasively. It promotes lung protective spontaneous breathing with higher diaphragmatic efficiency, and fewer periods of over and under-assist.[18],[19],[20],[21],[22],[23],[24] It also improves the patient’s ICU experience, helping you to reduce sedation with improved comfort and sleep quality.[25],[26],[27],[28],[29] 

NIV modes

Configurable NIV modes for all patient categories

NIV NAVA is a non-invasive technique useful in helping avoid intubation and preventing respiratory failure from worsening.[30],[31],[32] It is also leakage independent, helping to reduce skin tear.[33],[34] High-flow therapy reduces the patient’s work of breathing through an accurate flow of heated and humidified oxygen, improving comfort and tolerance.

Secure investment


Secure investment

Optimizing uptime and efficiency – Ownership with less stress

Servo-u is an investment both for now and for the future. The flexible, modular platform is always ready to adapt to your changing clinical needs, and our expert support is on hand every step of the way.

Servo-u filter cassette

A modular platform

A range of software options and inter-changeable hardware modules allows you to configure to your current needs and upgrade as those needs change. It also means modules can be moved between ventilators, lowering overall costs.

Servo-u consumables

High quality consumables

We offer an extensive range of readily available consumables designed with patient safety and ease of use in mind - all to help secure your everyday  operations.

Connected to your data

MSync helps you to connect your Servo fleet to your patient monitor, HIS or patient data management system (PDMS). Clinical and patient data is transferred in real time to support clinical decision-making.

hospital environment servo-u

Maximum uptime

Optimizing your equipment’s services is often an untapped opportunity to maximize productivity and reduce costs. Our Getinge Care service offering allows you to focus on what’s important - saving lives.


Improve your knowledge with our eLearning courses

Servo-u/n start up guide (20 min)*

  • Preparing for patient
  • Ventilating and responding to alarms
  • Maneuvers and interventions

English (voice over)

eLearning course, Servo-u, mechanical ventilator, Open Lung Tool, Auto SRM, Auto RM, OLT Trends

Servo-u Open Lung Tool (20 min)

  • Auto SRM, Auto RM, OLT Trends
  • Patient cases

English (voice over)

Transpulmonary pressure (20 min)

  • Workflow
  • Managing transpulmonary pressure monitoring
  • Patient cases

English (voice over)

Servo Compass (10 min)

  • VT/PBW
  • Driving Pressure
  • Target ventilation

English (voice over)

The basic concept of NAVA and Edi
NAVA module 1 (10 min)

  • Breathing regulation
  • Conventional ventilatory treatment
  • Edi and NAVA treatment

English (voice over) | Dutch

How to use NAVA and Edi
NAVA module 2 (10 min)

  • Insertion and position of Edi catheter
  • NAVA set-up
  • Starting NAVA ventilation

English (voice over) | Dutch

Servo-u NAVA (10 min)

  • Servo-u NAVA screen layout
  • NAVA workflow

English (voice over) 

Modes of ventilation module 1:
settings and waveforms (20 min)

  • Introduction to waveforms and ventilator settings

English (voice over) | Dutch | French | German | Italian | Spanish | Swedish

Modes of ventilation module 2:
Controlled modes (20 min)

  • Pressure Control, Volume Control, PRVC and Bi-Vent/APRV

English (voice over) | Dutch | French | German | Italian | Spanish | Swedish


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Imagine being able to see and deliver what your patients want, while their own natural respiratory drive controls the ventilator. We call it Neurally Adjusted Ventilatory Assist (NAVA). It is based on close monitoring of the output of the patient’s respiratory center, by capturing the electrical signal that activates the diaphragm (Edi), using a dedicated gastric feeding tube (Edi catheter). NAVA shortens the time of mechanical ventilation[3] and increases the number of ventilator-free days[3] [4] [5] by providing personalized ventilation that is both lung- and diaphragm-protective.

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Alle referencer

  1. Data on file Maquet Critical Care AB.

  2. Morita PP, Weinstein PB, Flewwelling CJ, Bañez CA, Chiu TA, Iannuzzi M, Patel AH, Shier AP, Cafazzo JA. The usability of ventilators: a comparative evaluation of use safety and user experience. Critical Care201620:263.


  4. Fan E, Del Sorbo L, Goligher EC, et al An Official American Thoracic Society/Euro­pean Society of Intensive Care Medicine/Society of Critical Care Medicine Clinical Practice Guideline: Mechanical Ventilation in Adult Patients with Acute Respiratory Distress Syndrome. Am J Respir Crit Care Med. 2017 2017 May 1;195(9):1253-1263. doi: 10.1164/rccm.201703-0548ST.

  5. Fan E, Brodie D, Slutsky AS. Acute Respiratory Distress Syndrome: Advances in Diag­nosis and Treatment. JAMA. 2018;319(7):698–710. doi:10.1001/jama.2017.21907

  6. Data on file Maquet Critical Care AB

  7. Terragni PP, Rosboch G, Tealdi A, et al. Tidal hyperinflation during low tidal volume ventilation in acute respiratory distress syndrome. Am J Respir Crit Care Med. 2007 Jan 15;175(2):160-6.

  8. Grasso S, Stripoli T, De Michele M, et al. ARDSnet ventilatory protocol and alveolar hyperinflation: role of positive end-expiratory pressure. Am J Respir Crit Care Med. 2007 Oct 15;176(8):761-7.

  9. Ferrando C, et al. Adjusting tidal volume to stress index in an open lung condition optimizes ventilation and prevents overdistension in an experimental model of lung injury and reduced chest wall compliance. Crit Care. 2015 Jan 13;19:9. doi: 10.1186/s13054-014-0726-3.

  10. Kacmarek RM, et al. Open Lung Approach for the Acute Respiratory Distress Syn­drome: A Pilot, Randomized Controlled Trial. Crit Care Med. 2016 Jan;44(1):32-42.

  11. Goligher EC, Hodgson CL, Adhikari NKJ, et al. Lung recruitment maneuvers for adult patients with acute respiratory distress syndrome. Ann Am Thorac Soc 2017;14:S304-11. 10.1513/AnnalsATS.201704-340OT

  12. Herman J, Baram M. In the Midst of Turbulence, Heliox Kept Her Alive. Ann Am Thorac Soc. 2017. 2 Pilbeam

  13. Dres M, Goligher EC, Heunks LMA, Brochard LJ. Critical illness-associated dia­phragm weakness. Intensive Care Med. 2017 Oct;43(10):1441-1452.

  14. Ducharme-Crevier L, et al. Interest of Monitoring Diaphragmatic Electrical Activity in the Pediatric Intensive Care Unit. Crit Care Res Pract. 2013;2013:384210.

  15. Emeriaud G, Larouche A, Ducharme-Crevier L, Massicotte E, Fléchelles O, Peller­in-Leblanc AA, Orneau S, Beck J, Jouvet P. Evolution of inspiratory diaphragm activity in children over the course of the PICU stay.

  16. Kallio M, et al. Neurally adjusted ventilatory assist (NAVA) in pediatric intensive care – a randomized controlled trial. Pediatr Pulmonol. 2015 Jan;50(1):55-62.

  17. Bellani G, Pesenti A. Assessing effort and work of breathing. Curr Opin Crit Care. 2014 Jun;20(3):352-8.

  18. Blankman P, et al. Ventilation distribution measured with EIT at varying levels of PS and NAVA in Patients with ALI. Intensive Care Med. 2013 Jun;39(6):1057-62.

  19. Brander L, et al. NAVA decreases ventilator induced lung injury and non-pulmo­nary organ dysfunction in rabbits with acute lung injury. Intensive Care Med. 2009 Nov;35(11):1979-89.

  20. Patroniti N, et al. Respiratory pattern during neurally adjusted ventilatory assist in acute respiratory failure patients. Intensive Care Med. 2012 Feb;38(2):230-9.

  21. Cecchini J, et al. Increased diaphragmatic contribution to inspiratory effort during neurally adjusted ventilatory assistance versus pressure support: an electromyographic study. Anesthesiology. 2014

  22. Di Mussi R, et al. Impact of prolonged assisted ventilation on diaphragmatic efficien­cy: NAVA versus PSV. Crit Care. 2016 Jan 5;20(1):1.

  23. Yonis H, et al. Patient-ventilator synchrony in Neurally Adjusted Ventilatory Assist (NAVA) and Pressure Support Ventilation (PSV). BMC Anesthesiol. 2015 Aug 8;15:117

  24. Piquilloud L, et al. Neurally adjusted ventilatory assist improves patient-ventilator interaction. Intensive Care Med. 2011 Feb;37(2):263-71.

  25. Kallio M, et al. Neurally adjusted ventilatory assist (NAVA) in pediatric intensive care – a randomized controlled trial. Pediatr Pulmonol. 2015 Jan;50(1):55-62.

  26. Piastra M, et al. Neurally adjusted ventilatory assist vs pressure support ventilation in infants recovering from severe acute respiratory distress syndrome: nested study. J Crit Care. 2014 Apr;29(2):312.e1-5.

  27. de la Oliva P, et al. Asynchrony, neural drive, ventilatory variability and COMFORT: NAVA versus pressure support in pediatric patients. Intensive Care Med. 2012 May;38(5):838-46.

  28. Delisle S, et al. Effect of ventilatory variability on occurrence of central apneas. Respir Care. 2013 May;58(5):745-53.

  29. Delisle S, et al. Sleep quality in mechanically ventilated patients: comparison be­tween NAVA and PSV modes. Ann Intensive Care. 2011 Sep 28;1(1):42.

  30. Bellani G, et al. Clinical assessment of autopositive end-expiratory pressure by diaphragmatic electrical activity during pressure support and neurally adjusted ventilatory assist. Anesthesiology. 2014 Sep;121(3):563-71.

  31. Doorduin J, et al. Automated patient-ventilator interaction analysis during neurally adjusted noninvasive ventilation and pressure support ventilation in chronic obstructive pulmonary disease. Crit Care. 2014 Oct 13;18(5):550.

  32. Ducharme-Crevier L, et al. Neurally adjusted ventilatory assist (NAVA) allows patient-ventilator synchrony during pediatric noninvasive ventilation: a crossover physiological study. Crit Care. 2015 Feb 17;19:44.

  33. Beck J, Brander L, Slutsky AS, Reilly MC, Dunn MS, Sinderby C. Non-invasive neurally adjusted ventilatory assist in rabbits with acute lung injury. Intensive Care Med. 2008;34:316–323.

  34. Lee J, Kim HS, Jung YH, Shin SH, Choi CW, Kim EK, Kim BI, Choi JH. Non-invasive neurally adjusted ventilatory assist in preterm infants: a randomised phase II crossover trial. Arch Dis Child Fetal Neonatal Ed. 2015 Nov;100(6):F507-13.