They didn't catheterise him and he practically ruptured his bladder before they cottoned on.    From Wordnik.com.  [sheepdip Diary Entry] Reference

After removal of the anterior end of the middle turbinated bone, it may be possible to catheterise the sinus and wash out pus from its interior.    From Wordnik.com.  [Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.] Reference