Hflaton's cath'eter

(na-U-ton') [August a Nilaton, Paris i an surgeon, 1807-1873.] flexible catheter of red rubber. N.'s disloca'tion, wedging of the astragalus between the widely separated tibia and fibula, usually complicated with fracture. H.'s fi'bers, N.'s sphincter, N.'s line, a line drawn from the anterior superior spine of the ilium to the tuberosity of the ischium; normally the great trochanter lies in this line, but in cases of iliac dislocation of the hip or fracture of the neck of the femur the trochanter is felt above the line; called also Roser-NUaton line. H.'s probe, a probe with a rough porcelain tip, used in searching for bullet which will make a lead mark on the probe. H.'s sphinc'ter, an inconstant band of circular muscular fibers in the wall of the rectum between three and four inches above the anus. N.'s tu'mor, a fibrous tumor or sarcoma lying between the peritoneum and the muscles of the abdominal wall.