Safety and Effectiveness Evaluations of the COLO-BT as an Treatment to the Proctectomy.

The purpose of this study is to evaluate the Colorectal Balloon Tube (hereinafter referred to as COLO-BT) device, a single use, temporary intraluminal bypass device, intended to reduce contact of fecal content with an anastomotic site, following colorectal surgery (open or laparoscopic)本研究旨在评估结直肠球囊导管（Colorectal Balloon Tube，下文简称COLO-BT）装置，该装置为一次性使用的临时性腔内旁路器械，旨在减少结直肠手术（开放手术或腹腔镜手术）后粪便内容物与吻合口的接触。