Which stapling device is used for end anastomosis in a low anterior anastomosis?

The EEA stapler is specifically designed for performing end-to-end anastomosis, especially in procedures such as low anterior resection of the rectum. This stapling device features a circular stapling mechanism that allows for efficient and consistent closure of the tissue when connecting two segments of the bowel. It ensures a secure anastomosis with minimal tension, which is critical in maintaining blood flow and promoting healing.

The design allows for the simultaneous cutting and stapling of the tissue, which further facilitates operative efficiency. In contrast, the other devices listed, while useful for various types of stapling in surgical procedures, do not provide the specialized circular anastomotic capability required for a low anterior anastomosis. Thus, the EEA stapler is the preferred instrument in this scenario.