Publication

Ultra-low pressure sensor for neonatal resuscitator

Thomas Maeder, Peter Ryser
2010
Conference Papers

Abstract

A Venturi-type flow sensor has been designed and fabricated for neonatal respiratory assistance to control airway pressure and tidal volume. As the low flow range and sensing principle require the measurement of correspondingly very low pressures, a very responsive sensor, based on a polymer membrane acting onto a piezoresistive cantilever force sensor based on low-temperature co-fired ceramic (LTCC), was developed. This paper details the 3D modelling, manufacture, assembly and characterisation of the sensor. Compared to expensive and fragile MEMS-based devices, this sensor, based on LTCC, thick-film technology and polymer parts, provides an accurate and robust, yet low-cost alternative. Keywords: pressure sensor; Venturi flow sensor; LTCC; thick-film technology.

Official source

https://infoscience.epfl.ch/entities/publication/54aabc20-8945-4912-ac87-8e8b65b9bcd4

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Thomas Maeder, Peter Ryser
2010
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/54aabc20-8945-4912-ac87-8e8b65b9bcd4

About this result

Related concepts (32)

Mechanical ventilation

Mechanical ventilation, assisted ventilation or intermittent mandatory ventilation (IMV) is the medical term for using a machine called a ventilator to fully or partially provide artificial ventilation. Mechanical ventilation helps move air into and out of the lungs, with the main goal of helping the delivery of oxygen and removal of carbon dioxide. Mechanical ventilation is used for many reasons, including to protect the airway due to mechanical or neurologic cause, to ensure adequate oxygenation, or to remove excess carbon dioxide from the lungs.

Respiratory therapist

A respiratory therapist is a specialized healthcare practitioner trained in critical care and cardio-pulmonary medicine in order to work therapeutically with people who have acute critical conditions, cardiac and pulmonary disease. Respiratory therapists sometimes graduate from a college or university with a degree in respiratory therapy and have passed a national board certifying examination.

Modes of mechanical ventilation

Modes of mechanical ventilation are one of the most important aspects of the usage of mechanical ventilation. The mode refers to the method of inspiratory support. In general, mode selection is based on clinician familiarity and institutional preferences, since there is a paucity of evidence indicating that the mode affects clinical outcome. The most frequently used forms of volume-limited mechanical ventilation are intermittent mandatory ventilation (IMV) and continuous mandatory ventilation (CMV).

Related publications (4)

Ultra-low pressure sensor for neonatal resuscitator

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