Abstract:
:A simple modification to an existing adult ventilator has been designed to permit mechanical ventilation of neonates and small children with the Ayre's T-piece circuit. The Nuffield Anaesthesia Ventilator Series 200 has been modified by replacing the piston in the patient valve with a fixed leak. This arrangement avoids the problems of critical adjustment commonly encountered with other methods of converting adult ventilators to paediatric use, and allows the ventilator controls to be used normally. The ventilator has been assessed according to the proposed International Standards Organization specifications for the evaluation of the performance of lung ventilators, and the results are described in detail. The modified ventilator is shown to perform as a time-cycled pressure generator capable of delivering tidal volumes between 10 and 300 ml at frequencies from 10 to 85/minute. It is therefore ideally suited to neonatal and paediatric use.
journal_name
Anaesthesiajournal_title
Anaesthesiaauthors
Newton NI,Hillman KM,Varley JGdoi
10.1111/j.1365-2044.1981.tb08595.xsubject
Has Abstractpub_date
1981-01-01 00:00:00pages
22-36issue
1eissn
0003-2409issn
1365-2044journal_volume
36pub_type
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