Widespread popularity of the double-stapler technique has created the potential for anal sphincter and anal canal injury during transanal insertion of the end-to-end anastomosing stapler. The Faensler operating anoscope helps eliminate that potential by symmetrically dilating the anal canal, thereby permitting atraumatic insertion of the end-to-end anastomosing stapler.
Key words
Anal canal injury
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Faensler anoscope
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Double-staple technique
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Surgical technique