Devices and Methods for Guiding Surgical Fasteners

摘要

Devices and methods are provided for guiding surgical fasteners. In general, the devices and methods can facilitate guidance of fasteners during deployment of the fasteners into tissue. In general, the surgical device can include one or more guidance features configured to facilitate guidance of the fasteners during ejection of the fasteners from the cartridge. The one or more guidance features can be configured to reduce lateral movement of the fasteners during deployment thereof. In an exemplary embodiment, each of the one or more guidance features can be configured to support a fastener on three sides thereof during deployment of the fastener. The one or more guidance features can be formed on the cartridge, e.g., formed on a surface thereof or formed on a sled disposed in the cartridge, and/or can be formed on a jaw that seats the cartridge.

主权项

1. A surgical fastening device, comprising:
an elongate shaft; an end effector coupled to a distal end of the elongate shaft, the end effector including first and second opposed jaws coupled to one another and configured to engage tissue therebetween; and a staple cartridge disposed within the first jaw, the staple cartridge including
a plurality of staple-receiving recesses formed therein,a plurality of D-shaped staples configured to rotate about a pivot point into tissue engaged between the first and second jaws, each staple being disposed within a staple-receiving recess, anda plurality of guide members formed on the cartridge, each guide member extending from a surface of the cartridge at a location adjacent to a staple-receiving recess, and each guide member having an inner arcuate surface configured to guide a leg of a staple along an arcuate path and into tissue engaged between the first and second jaws.