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During a procedure to close a defect in the sigmoid colon, the user inadvertently gathered too much tissue when positioning a clip device not manufactured by us endoscopy, which restricted the sigmoid colon.The first clip device was removed, and the user continued the procedure with the us endoscopy padlock clip device and again inadvertently gathered too much tissue into the clip and restricted the sigmoid colon.Surgical intervention was then required to remove the padlock clip and close the defect.
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