The effort to place drainage at the bottom of the sinus after removal of the primary drain is sometimes difficult and often painful to the patient. As the gauze adheres to the sides of the sinus, considerable force has to be used before it can be properly carried to the bottom of the cavity.
The necessity for an instrument for the purpose of facilitating the placing of drainage led to a crude production which I hammered out of a white metal spoon and which I have frequently used during the past four years.
Having demonstrated to my own satisfaction the practicability of such an instrument, I have recently had made for me a set of four instruments, ¾, ⅝, ½ and ⅜ of an inch in diameter by 5 inches in length. The large size is the one ordinarily used for the first dressing, diminishing the size as the sinus