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The instruments here described have grown out of the needs of practice and have all seen lengthy service in my hands. To avoid the danger of fluid penetrating the middle ear, incident to the use of the nasal douche or syringe, I have devised the little irrigating tube shown in the cut. It is made of hard rubber, hence has some elasticity, and is perforated near its end by three minute holes, 1/64 inch in diameter. The tube is connected to a fountain syringe by the usual coupling for Eustachian catheters, and emits three tiny but forcible jets that are not large enough to flood the nose or nasopharynx, but undermine and wash adherent pus or crusts from these regions. I give the tube to the patient to use at home, and during many years of its employment have never had any complaint of ear symptoms, while the patients, even
FREER OT. A Nasal Irrigator, Intratracheal Spray and Laryngeal Applicator.. JAMA. 1901;XXXVI(7):457-458. doi:10.1001/jama.1901.52470070032023a