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首页> 美国政府科技报告 >New Magnetic Device for the Identification of Endotracheal Tube Position.
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New Magnetic Device for the Identification of Endotracheal Tube Position.

机译：新型磁性气管插管位置识别装置。

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摘要

A new device for detecting the position of endotracheal tube is presented in this paper. This device consists of a high sensitive linear Hall- effect sensor and a newly designed endotracheal tube in which two small magnets are embedded. The Hall-effect sensor can be placed on the skin of neck over the vocal cord to detect the position of endotracheal tube by measuring the strength of its magnetic field when the magnet on tube passes through the glottis during intubation. The results of our clinical tests on 38 cases of endotracheal intubation and 15 controls of esophageal intubation show that the device is sensitive to verify the esophageal intubation, and that it provides a useful means for clinician to control the inserted length easily. Due to its unique principle of operation, the detector can be applied to all kinds of patients, especially in pre-hospital sites.

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