the technique of coloanal anastomosis ( transanal route n = 27 , transphincteric route n = 13 ) was standardized and also employed in 6 patients with an j-ileumpouch-anal anastomosis after total proctocolectomy and mucosal protectomy : the anal canal is opened by traction sutures and by a simple , non-stretching , semicircular speculum .
C0003461
anal
C0227411
anal canal