Abstract
The improved Mucosectome was released in October 2010. This device provides greatly improved rotation. Also, the device and handle are integrated, which enhances visibility of the marker on the posterior side. We performed endoscopic submucosal dissection (average lesion size 33.6 mm) for 23 colorectal neoplasms from January to December 2011. We found that the device could be used safely, with an average operative time of 54 minutes, en bloc resection rate of 100%, no perforations, and only one case of post-procedural bleeding. The number of disposable knives, not counting the needle knife, was 1.13. Intraoperative hemostasis was required 2.4 times, less than with the conventional method (4.5 times with a flush knife). Mucosectome was considered to be an excellent treatment instrument in terms of not only safety, but also economic efficiency.
