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ICU ventilator training done best with realistic lung simulators
Josef X. Brunner, founder/share holder of Organis GmbH, Landquart, Switzerland and CEO of neosim AG, Chur, Switzerland.,Organis GmbH
TestChest is the world’s most sophisticated breathing simulator, and capable of simulating a wide range of patients –pediatric to adult. TestChestis able to breathe spontaneously even while being ventilated and can be used with any ventilator (and any ventilator mode). For clinical educators, TestChest provides not only a mechanical lung model, but also responds with physiological feedback and outcome measures. Because TestChest is autonomous, it does not require an operator in the background to follow the learners actions – TestChest does it automatically.
TestChest consists of two bellows driven by a linear motor plus sensors for alveolar and airway pressure, lung volume, airway flow, ambient pressure and temperature.Intrapulmonary oxygen sensor, mass flow controller for CO2 delivery, pulse oximeter simulator (“artificial finger”), programmable dead space, and leakage are available as optional upgrades.
This highly accurate, versatile instrument represents the premier choice for respiratory care training. Made by Organis GmbH in Landquart, Switzerland, it is built with the typical Swiss quality features: reliable and durable. Due to its physiological modelling, TestChest can be set to represent any kind of clinical manifestation of pulmonary disease.
TestChestexceeds the specifications of other lung simulators in many aspects, particularly because it comes very close to actual physiology. TestChestcreates outcome measures, arterial oxygen saturation, plethysmogram and capnogram which are based on the therapy provided by the learner in real-time. Learning becomes truly immersive.
TestChest is completely independent. There is no need for an operator to follow the actions of the learner because TestChest responds autonomously and based on the physiological models built into the device. Sophisticated and intuitive spontaneous breathing creates synchrony or asynchrony depending on the learners actions – not on the trainers manipulations.
Control of patient’s breathing efforts is robust yet physiologically sound and includes control of respiratory drive measures such as P0.1.With these features, TestChest prepares learners for the full spectrum of challenges present when patients are ventilated with spontaneous modalities - in a consistent and reproducible way.
Apart from simulation based training, TestChestsupports engineering and testing, for example long term testing of any type of respiratory device, any mode of ventilation and with virtually any patient type.If engineers need to develop adaptive algorithms on ventilators and physiological feedback control algorithms, TestChest provides a reproducible patient with physiological feedback variables.
TestChest contains an array of sensors for data capturing and recording, including airway
pressure and lung volume measurement plus barometric pressure and temperature sensors for STPD, ATP(S) or BTP(S) corrections to create virtually any parameter for detailed analysis of entire patient breath cycles. The integrated oxygen sensor enables to asses the accuracy and response of oxygen blenders using the built-in oxygen sensor. Metabolic measuring devices can be tested using the built-in, highly accurate Mass Flow Controller for CO2 metering. Finally, export of all data including waveforms support detaild statistical analysis.
Accuracy and certification are essential in medical device development. Test lungs are thus often delivered with such certificates. However, such certificates have a limited validitywhich makes it necessary to do re-certifications at high cost and significant down-time. TestChest provides quality management with an alternative:Organis deliversTestChest with instructions to perform your own calibrations that fit your specific quality management procedures:no downtime, no expensive re-calibration, no transport.
TestChest is truly unique, and the voices of customers express this clearly and as follows:
• The University of Rhode Island, USA,stated in a press release 2017: URI has nation’s most advanced pulmonary simulator. TestChest trains pharmacy students for real-life critical care.
• Professor Dr. Giorgio A. Iotti from Pavia, Italy, writes in 2020: ““È unostrumentobellissimo, davvero un sogno per noi e per chi ci lavorerà”.” It is a beautiful tool, truly a dream for us and for those who will work with it.