| ureterotomy | Incision and stenting of a narrow ureter. Origin: uretero-+ G. Tome, incision (05 Mar 2000) |
|---|---|
| Davis-Crowe mouth gag | Instrument used for opening the mouth, depressing the tongue, maintaining the airway, and transmitting volatile anaesthetics during tonsillectomy or oropharyngeal surgery. (05 Mar 2000) |
| Davis grafts | Small pieces (2 to 3 mm) of full-thickness skin. (05 Mar 2000) |
| Davis interlocking sound | A sound comprised of two instruments with curved male and female tips, used to introduce a catheter into the bladder in the treatment of ruptured urethra; the male sound is introduced into the distal urethra via the meatus and the female sound is passed downward through the bladder neck into the proximal urethra via an open cystotomy; the ends of the two instruments are engaged, with the female sound guiding the male sound upward into the bladder; a catheter is then sutured to the tip of the male sound and withdrawn through the urethra to restore continuity of its lumen. (05 Mar 2000) |
| Davis, John | <person> U.S. Surgeon, 1872-1946. See: Davis grafts, Davis-Crowe mouth gag. (05 Mar 2000) |
| Davis shutter | <microscopy> A fitting with a small iris diaphragm, attached above a low-power objective for reducing the aperture. In this way depth of field can be increased for the photomicrography of objects illuminated by incident light. (05 Aug 1998) |