| A consideration on the new classification of latest lung ventilators. | |
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MedLine Citation:
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PMID: 15235856 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Concerning the classification of ventilators, Elam (1958), Faireley (1959), and Hunter (1961) reported some simple ones such as pressure limited, volume limited, pressure preset, or volume preset models. Mapleson (1969) also classified them by the generating force or cycling together with the above-mentioned types. The latest ventilators applicable to patients with respiratory failure usually have some cut-off function at high airway pressures as a safety measure. Therefore, all of them belong to the pressure limited type. Some ventilators are of two types such as the time cycled and pressure cycled type. Therefore, we attempted to classify ventilators into four groups, i.e. the time cycled, volume cycled, pressure cycled and selective time-pressure cycled types according to the fundamental mode of ventilator function, the so-called change of cycling from inspiration to expiration. Each group was further divided into subgroups according to preset dials such as respiratory rate, I/E ratio, inspiration time, expiration time, tidal volume, flow rate and airway pressure. By this method, fifty one ventilators on the market in Japan can be classified without overlapping. Although this classification seems complex, it will be of use in selecting ventilators by emphasizing preset dials according to the user's needs, ability or both. |
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Authors:
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Y Goto; K Takahashi; J Harada; Y Sugiura; K Aso; C Takanami; K Nakajima; Y Yagi; H Urano |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of anesthesia Volume: 1 ISSN: 0913-8668 ISO Abbreviation: J Anesth Publication Date: 1987 Sep |
Date Detail:
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Created Date: 2004-07-05 Completed Date: 2005-02-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8905667 Medline TA: J Anesth Country: Japan |
Other Details:
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Languages: eng Pagination: 178-82 Citation Subset: - |
Affiliation:
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Department of Anesthesiology, Fukui Medical School, Fukui, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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