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US 8,474,678 B2Granted
Surgical stapling instrument with independent sequential firing
AssigneeCovidien LP
InventorsDino Kasvikis, Danyel J. (Tarinelli) Racenet, David Farascioni, Thomas Wenchell, Philip C. Roy
Life of this patent
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Abstract
An end effector for a surgical fastener applying instrument including a first jaw member and a second jaw member. The second jaw member includes first and second cartridges each containing a plurality of surgical fasteners, wherein each of the first and second cartridges is configured to move independently with respect to the first jaw member between a proximal position and a distal position.
Claims16
A surgical fastener applying instrument, comprising:
- a handle portion;
- an elongate portion extending distally from the handle portion and having a longitudinal axis;
- a first jaw member positioned at a distal portion of the instrument;
- and
- a second jaw member positioned at the distal portion of the instrument and including a first cartridge and a second cartridge, wherein the first cartridge includes a first plurality of surgical fasteners contained therein arranged in a plurality of rows transverse to the longitudinal axis of the elongated portion and the second cartridge includes a second plurality of surgical fasteners contained therein arranged in a plurality of rows transverse to the longitudinal axis of the elongate portion;
- a first pusher movable distally to advance the first plurality of surgical fasteners distally from the first cartridge toward the first jaw member;
- and
- a second pusher movable independent of the first pusher, the first pusher movable distally to advance the first plurality of fasteners from the first cartridge distally toward the first jaw member subsequent to advancement of the second plurality of surgical fasteners from the second cartridge.
5 more elements
Dependencies are inferred from the claim text.