In the treatment of the different forms of chronic constipation no measure is so uniformly successful as the systematic injection of oil into the rectum. It may, indeed, be said that this method is indispensable in the cure of the spastic form of constipation. Since the elaborate study of this method of treatment by Fleiner and Kusmaul in 1892 it has gradually grown in favor.
There is, however, one serious objection to this method of cure; while patients realize its value they constantly complain that the taking of the oil is exceedingly annoying. By all the heretofore practised methods of injection there has been the bother of warming the oil and pouring it into the reservoir and the very trying experience of having the oil spill from the container or run from the rectal tube after its withdrawal from the anus. Now as success depends on the persistence with which