Patent ID: 8272555
Filing Date: 2012-09-25
Classification: A61B

Abstract:
1. A stapler for mucosectomy, comprising: a stapler head comprising at least one body provided with a central hole wherein a rod is slidingly inserted; an anvil attached to an end of said rod opposite to said central hole; and three annular grooves formed in a lateral surface of the rod and perpendicularly to a longitudinal axis thereof, the annular grooves being spaced from one another along the longitudinal axis of the rod such that a portion of the lateral surface of the rod is positioned between adjacent grooves, the portion of the lateral surface of the rod extending between each groove defining an axial dimension greater than an axial dimension defined each groove, wherein the axial dimensions are parallel to the longitudinal axis of the rod, the grooves being arranged at varying distances from the anvil, and being configured and dimensioned to individually and selectively receive a portion of mucosa to be tied around the rod in a purse string suture in correspondence of one of said grooves such that varying amounts of mucosa can be drawn into the at least one body during approximation of the stapler head and the anvil dependent upon the groove to which the mucosa is secured.