Anal technique

Duration: 15min 23sec Views: 1992 Submitted: 17.09.2020
Category: Double Penetration
Prior to the insertion of the colonoscope in the rectum, it is important to perform a digital examination of the anal canal using a lubricating jelly, in order to induce a relaxation of the internal anal sphincter and rule out any abnormality of the anal canal. At the beginning of the intubation, the position of the patient is in the left lateral decubitus fig. To insert the colonoscope, the endoscopist aligns its tip with the index finger and eases the sliding of the scope in the anal canal, taking care to have the axis of introduction oriented toward the umbilicus of the patient. When the instrument passes the anal canal, the nurse grabs it with the right hand holding the scope at a distance of about 20 cm from the anus, while the operator grabs the handle and moves away to achieve a complete straightening of the shaft of the colonoscope fig. The endoscopist verifies in the monitor the correct orientation inside the rectum, aspirates any residual fluids and insufflates the minimum amount of air or gas to distend the rectal walls fig. Modulating the insufflation Fig.

Technique of Intubation of the Rectum

Anal endosonography: Technique and normal anatomy | SpringerLink

Anal endosonography using a specially designed hard cone attachment to a radial 7-MHz probe has been performed in 26 normal patients — 3 patients following lateral anal sphincterotomy, 1 patient undergoing electromyophysiological mapping of the external anal sphincter, and in 2 resected specimens. The examinations were rapid, simple, and well tolerated, and they provided high-resolution images of the five layers of the anal canal: mucosa, submucosa, internal anal sphincter, intersphincteric plane, and external anal sphincter. Views of the ischiorectal fossa were limited. The configuration of the anterior part of the external anal sphincter differed between males and females.

Anal endosonography: Technique and normal anatomy

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Anal endosonography using a specially designed hard cone attachment to a radial 7-MHz probe has been performed in 26 normal patients -3 patients following lateral anal sphincterotomy, 1 patient undergoing electromyophysiological mapping of the external and sphincter, and in 2 resected specimens. The examinations were rapid, simple, and well tolerated, and they provided high-resolution images of the five layers of the anal canal: mucosa, submucosa, internal and sphincter, intersphincteric plane, and external anal sphincter. Views of the ischiorectal fossa were limited. The configuration of the anterior part of the external anal sphincter differed between males and females.