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What made me think to design a new surgical instrument for taking biopsy specimens from the intrabronchial growths is the high percentage of negative results in specimens taken by the ordinary biopsy forceps, especially in cases where there is a growth in either upper lobe bronchus. This instrument has its value mainly in taking biopsy specimens from both upper lobe bronchi, and I do not advise using it in taking specimens from the esophagus, as the probability of injuring the mucous membrane of the esophagus in using it is more than that with the ordinary biopsy forceps, owing to the difference in the anatomical features of the bronchus and esophagus. Apart from its use in taking specimens, its handle can fit cauterizing ends of high-frequency currents (diathermy). This has its value in all lesions that need intrabronchial or intraesophageal electrocoagulation, for example, excessive intrabronchial bleeding after a biopsy specimen is
ZAKHARY G. BRONCHOSCOPIC BIOPSY SPOON. AMA Arch Otolaryngol. 1956;63(2):213–214. doi:10.1001/archotol.1956.03830080099025
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