Heat And Moisture Exchangers (HMEs) For Humidifying Respired Gases In Humans-Measurement

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Heat And Moisture Exchangers (HMEs) For Humidifying Respired Gases In Humans-Measurement

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December 19, 2022

اتصال دسته بندی: تجهیزات تست پزشکی

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خلاصه: Discover the ISO 9360-1 Heat and Moisture Exchangers (HMEs) designed for humidifying respired gases in humans. This video explains the measurement of moisture loss, ensuring compliance with international standards for anaesthetic and respiratory equipment. Learn about the test apparatus and procedures for accurate performance evaluation.

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Complies with ISO 9360-1 standards for HMEs used with minimum tidal volumes of 250 ml.
Measures moisture loss using a bidirectional flow generator and humidity generator.
Includes a heated water bath and thermally insulated chamber for precise testing.
Features a calibration HME with 81 PVC tubes for accurate measurements.
Test conditions include a temperature of 23±1℃ and humidity not exceeding 1 mg.l-1.
Weighing equipment with an accuracy of ±0.1 g ensures reliable results.
Flowrate measuring equipment provides accuracy within 5% of the reading.
Designed for use with a maximum tidal volume recommended by the manufacturer.

سوالات متداول:

What is the purpose of the ISO 9360-1 HMEs?

The ISO 9360-1 HMEs are designed to humidify respired gases in humans, ensuring optimal moisture levels during medical procedures.
How is moisture loss measured in the HMEs?

Moisture loss is measured by recording the mass of water lost from the test apparatus, which includes a bidirectional flow generator and humidity generator.
What are the test conditions for the HMEs?

The test conditions include a temperature of 23±1℃, humidity not exceeding 1 mg.l-1, and a frequency of 10 breaths.min-1 with an I:E ratio of 1:1.
What equipment is used in the test apparatus?

The test apparatus includes a bidirectional flow generator, humidity generator, air delivery system, weighing equipment, flowrate measuring equipment, and a calibration HME.