TISSUE RESECTION APPARATUS

摘要

A tissue resection apparatus includes a pair of grasping members that holds a tissue; and a cartridge that is replaceably attached to the pair of grasping members. The cartridge includes a cartridge body that has a longitudinal axis and a slot extending along the longitudinal axis, guides a cutting member cutting a tissue by the slot, and defines a movement range of the cutting member; a pair of sealing portions that are provided on both sides of the slot so as to sandwich the slot and extend parallel to the slot, respectively; and a tissue sealing portion that is located closer to a distal end side than the slot and is provided on an extension line of the slot.

主权项

1. A tissue resection apparatus comprising:
a pair of grasping members which holds a tissue; and a cartridge which is replaceably attached to the pair of grasping members, wherein the cartridge includes:
a cartridge body that has a longitudinal axis;a slot that extends along the longitudinal axis and has a predetermined width with respect to the longitudinal axis, guides a cutting member cutting a tissue, and defines a movement range of the cutting member in a direction of the longitudinal axis;a first sealing portion which is provided at a position sandwiching the slot and in which a distance is larger than the width of the slot, and extend parallel to the slot; anda second sealing portion that is provided closer to a distal end side of the cartridge body than a distal end of the slot and on an extension line of the slot, is provided at a position within a range corresponding to at least the width of the slot, and joins the tissue.