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In suppuration of the cavities connecting with the nose the question of effectively cleansing and medicating them is a serious one. The ordinary nasal douche and sprays are inefficient. It is necessary that generous quantities of detergent solutions shall not only reach the affected parts, but that they shall flow over them with sufficient force to dislodge and carry away the offensive discharges.
The writer has devised a combination of canula and spray tips, shown in the accompanying illustration, which render satisfactory service. They are an adaptation of the Davidson atomizer fitted with spray tips having very large openings, and the outer tip being turned to fit closely into the conical opening of a special canula. The latter is made of silver, and is practically a modification of the Eustachian catheter. Instead of having the beak curved on the arc of a large circle, like that of the catheter, it
BISHOP SS. SPRAYING AND INSUFFLATING THE ACCESSORY NASAL CAVITIES. JAMA. 1901;XXXVII(2):113. doi:10.1001/jama.1901.62470280037004
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