Dräger Primus Repair

The Dräger Primus is an anesthesia workstation designated by model number SW 4.5n. The device includes a full suite of tools and devices to ventilate, monitor, and provide anesthesia to patients. The workstation is housed on a mobile rack which can be wheeled about as needed, and has room for various attachments and for gas tanks on the rack.

The Primus uses a the in-house user interface that is shared among other Drager platforms. This allows for a short and familiar learning process, despite being equipped with newer technology. It also means that technicians and experts trained in repairing the older devices can translate the same skills into repairing and operating the Primus.

This device is equipped with the E-Vent plus ventilator.

• Weight – 115kg (without vaporizers and cylinders)
• Dimensions – 137 cm x 80 cm x 80 cm
• Device versions - Trolley version, wall version & ceiling version
• Operating voltage – 100-240 V, 45-65 Hz

• Ventilator technology – Electronically-controlled E-Vent plus
• APL-technology – Drager APL-Valve
• Display screen – User-configurable 12.1” TFT color
• Vaporizers – 2
• Patient Gas Modules – in/ex O2, N2O, CO2, Agent
• Operating Modes – Manual, spontaneous, Volume Mode (IPPV), Pressure Mode (PCV)
• Trigger – 0.3-15 L/min
• Breathing Frequency – 3-80 1/min
• Serial interfaces – 2x RS232

• Drager Products tab provides general information and functions of the device. Primus® Anaesthesia Workstations. (n.d.). Lübeck, Germany. Retrieved             November 10, 2020
• Instructions for use Drager Primus [Manual. (n.d.). Lübeck, Germany. Retrieved        November 10, 2020]
  • The Drager Contents Library explains the use of the device’s modes and settings, the set-up procedures, along with info on required maintenance and other technical data.
• Drager Corporate updates the operators with up to date Covid-19 related information on getting the most efficient use from their devices
• Crawford, M., Prinzhausen, H., & Petroz, G. (2007, February 01). Accelerating the Washout of Inhalational Anesthetics from the Dräger Primus Anesthetic Workstation Effect of Exchangeable Internal Components. Retrieved November 21, 2020
  • An extensive study with detailed results on the effects and benefits of the device, done in Toronto, partnered with Occupational Health and Safety Services, The Hospital for Sick Children.

The listed sources of information were mostly manufacturer provided information. Extensive data and information had been released with this device from the factory to ensure a resourceful database is available to users.