ID: 3252

Just four weeks to a concept for an emergency ventilator

Automation specialist Festo uses its competency to good effect

The lockdown in spring 2020 meant that the majority of Festo employees had to join the ranks of those working from home. Yet within the space of just four weeks they managed to develop a suitable solution for an emergency ventilator for a COVID-19 treatment, thanks to an agile development process and standard components that were quickly delivered.

For 16 years, a concept by a group of scientists for an emergency ventilator – based on Festo automation components – lay in the archives of the British government. Back then it was developed in response to the pandemic of 2002/03 triggered by the SARS coronavirus. Festo learned about it in March 2020 when it received an enquiry from a customer in the UK.


In spring 2020 – at the height of the coronavirus pandemic – this enquiry provided the impetus to dust off the plans and develop an emergency ventilator using modern automation components from Festo, partially based on innovative piezo technology. “This tailored solution for a COVID-19 treatment provided the answer to the impending supply shortages for ventilators”, explains Dr Frank Jacob, Head of Business Unit LifeTech at Festo.


Expertise in automation and competency in oxygen

“As the world’s leading supplier of automation technology, Festo has decades of experience in designing ready-to-install subsystems. The Business Unit LifeTech supports equipment and system manufacturers in the development of solutions for the precise regulation of oxygen, for example”, explains Jacob.


Proportional valves with piezo technology play an important role. They enabled the Festo employees to come up with a well thought-out concept for an emergency ventilator in just four weeks. “What makes the system special is that it uses mostly Festo standard components, which are available in large quantities at short notice”, adds Jacob.


Agile, continuous and interdisciplinary teamwork
To further speed up the development, Festo consistently relied on an agile and interdisciplinary approach. The partners in this case were not equipment and system manufacturers, but rather lung specialists from hospitals throughout Southern Germany. In a continuous development process encompassing several stages, the doctors provided valuable feedback so that the concept could be optimally adapted to the specifics of a COVID-19 treatment.


The project started with ten Festo employees from the LifeTech and Advance Development business units. As the requirements increased, colleagues from the Pneumatic Drives, Electric Drives and Process Automation divisions came on board. The result was an interdisciplinary team of almost 100 creative minds. The collaboration was mostly virtual, since almost all employees were working from home during this period due to the coronavirus lockdown.


Precise and reliable pressure regulation with piezo technology

A big challenge for the automated ventilator was precisely controlling the proportions of the various gases for the breathing air. It was also necessary to bear in mind that a slight excess pressure had to be maintained on exhalation to prevent the lungs collapsing or water collecting in the lungs.


“Festo proportional valves based on piezo technology proved the ideal solution for this. They enable fast adjustment of the pressure and very precise pressure regulation”, explains Jacob. “The piezo valves are also especially compact, lightweight, quiet and energy efficient”, he continues.


Easily integrated components – optimised for oxygen

The emergency ventilator from Festo shows how simple it is to combine easily integrated components with clear interfaces into suitable systems. The Business Unit LifeTech benefits from Festo’s involvement in a wide variety of industries as an automation specialist: “For example, the business unit can draw on expertise from the food and electronics industries, which have the highest standards for cleanliness and hygiene”, says Jacob.


Spurred on by this successful concept and in view of the increasing demand as well as the number of potential applications, Festo is extending its portfolio of products which are suitable for use with oxygen. These currently include the 2/2-way proportional valve VEAE and the mass flow controller VEMD with integrated control electronics.

Festo è un attore globale e un'azienda indipendente a conduzione familiare con sede a Esslingen am Neckar, in Germania. Fin dagli inizi Festo ha stabilito degli standard nella tecnologia dell'automazione industriale e nella formazione tecnica, contribuendo così allo sviluppo sostenibile dell'ambiente, dell'economia e della società. Prodotti e servizi sono disponibili in 176 paesi del mondo. L'azienda, infatti, fornisce tecnologia di automazione pneumatica ed elettrica a 300.000 clienti di automazione di fabbrica e di processo in oltre 35 industrie. Il settore LifeTech con la tecnologia medica e l'automazione di laboratorio sta diventando sempre più importante. Con circa 20.800 dipendenti in oltre 250 filiali in circa 60 paesi in tutto il mondo, Festo ha realizzato un fatturato di circa 3,81 miliardi di euro nel 2022. Ogni anno circa il 7% di questo fatturato viene investito in ricerca e sviluppo, mentre l'1,5 % del fatturato è investito nella formazione di base e di perfezionamento. Festo Didactic SE è un fornitore leader di formazione e formazione tecnica e offre ai suoi clienti in tutto il mondo soluzioni complete di apprendimento digitale e fisico in ambiente industriale.

© Festo SE & Co. KG
Emergency ventilator 1
Concept for an emergency ventilator: In an agile development process Festo employees from various business units developed together with lung specialists a suitable solution for a COVID-19 treatment.
© Festo SE & Co. KG
Emergency ventilator 2
What makes the prototype of the emergency ventilator special is that it uses mostly Festo standard components, which are available in large quantities at short notice.
© Festo SE & Co. KG
Valvola VEAE
La valvola proporzionale VEAE di Festo regola in modo affidabile e preciso i flussi di gas, ossigeno, aria, azoto o gas inerti.

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