This new instrument, which I devised for a special case, has proved of such general utility in the treatment of affections of the lower rectum and anal canal that a brief description of it may be of interest:
For examinations and treatment of the rectum proper and pelvic colon the round tubes of Kelley and the later pneumatic modifications of these leave nothing to be desired but for the treatment of ulcerations, abrasions, new growths, etc., of the anal canal the specula in common use have not at all times been satisfactory. A diagnosis can be made by digital examination, but it is often important to have a good view of the lesion in making local treatments. With this simple instrument I have treated many patients who otherwise would have been obliged to undergo general anesthesia.
It consists, as the cut shows, of a straight glass tube with an oval