Patent attributes
An anchor deployment tool is provided that includes a flexible tube, which defines an anchor storage area in which tissue anchors are stored before deployment, and a distal anchor manipulation area that has a length of at least 3 cm. The tool also includes a rotating deployment element, which is positioned within the flexible tube, and is configured to, while the distal anchor manipulation area is disposed within a lumen defined by a wall of a sleeve, (i) directly engage the anchors in the anchor storage area a single one at a time, (ii) advance each of the anchors, while thus directly engaged, in a distal direction into the anchor manipulation area, and (iii) anchor the sleeve to tissue of a subject by deploying each of the tissue anchors through a distal end of the flexible tube, through the wall of the sleeve, and into the tissue.