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Article
June 1952

INTRABRONCHIAL CALIPER

Author Affiliations

ROCHESTER, N. Y.
From the Department of Surgery, Division of Oto-Rhino-Laryngology, University of Rochester School of Medicine and Dentistry, and in conjunction with the Bronchoscopic Services of the Veterans Administration Hospitals at Batavia and Canandaigua, N. Y.

AMA Arch Otolaryngol. 1952;55(6):724-725. doi:10.1001/archotol.1952.00710010739010
Abstract

The need for accurate quantitative reports of bronchoscopic findings has become increasingly important with the development in recent years of thoracic surgery. A technique for obtaining linear measurements was described at an earlier date by me.1 The thoracic surgeon, however, also wants to know whether a partially stenotic bronchus is present and, if so, the size of the lumen that remains. From the thoracic surgeon's point of view, a report to the effect that a bronchus is one-third or one-half closed is not satisfactory. If no more accurate reports can be obtained, he is often forced to do his own bronchoscopy.

To make such quantitative reports of the bronchial lumen possible, the intrabronchial caliper has been developed. The instrument allows the endoscopist to obtain quickly and easily the necessary measurements in the main bronchi with a minimum of trauma to tissue which may already have become friable with disease.

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