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Fig. 1 | BMC Anesthesiology

Fig. 1

From: Role of tube size and intranasal compression of the nasotracheal tube in respiratory pressure loss during nasotracheal intubation: a laboratory study

Fig. 1

a-1 Schematic drawing of the clinical measurement of the internal minor axis of the nasotracheal tube. a-2 The length of the nasal concha (arrow) on the axial CT images. b Apparatus for measurement of pressure loss caused by deformation of the tubes. A: internal diameter of the uncompressed tube, b: length of the flat part of the compressed tube

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