Surgical stapler
First Claim
1. A disposable loading unit for use with a surgical stapler, the disposable loading unit comprising:
- a cartridge having a tissue contacting surface and having a plurality of surgical fasteners supported therein;
an actuator configured to translate through the cartridge to sequentially eject the surgical fasteners, the actuator including a plurality of upstanding cam wedges, the plurality of upstanding cam wedges being monolithically formed from a unitary sheet of material.
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Accused Products
Abstract
A surgical stapler is disclosed which includes a first body portion supporting an anvil plate defining a fastener forming surface, and a second body portion configured to releasably mate with the first body portion. A disposable loading unit is removably supported in the second body portion and includes a cartridge defining a plurality of slots, a plurality of surgical fasteners disposed in the slots, a plurality of ejectors positioned adjacent the surgical fasteners, and a wedged actuator configured to enter into and translate through the cartridge to sequentially interact with the ejectors. An elongated actuation member is mounted for longitudinal movement within the second body portion and is releasably engagable with the wedged actuator, whereby longitudinal movement of the actuation member causes the wedged actuator to interact with the ejectors, driving the surgical fasteners from the cartridge to be formed against the anvil plate.
1892 Citations
20 Claims
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1. A disposable loading unit for use with a surgical stapler, the disposable loading unit comprising:
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a cartridge having a tissue contacting surface and having a plurality of surgical fasteners supported therein;
an actuator configured to translate through the cartridge to sequentially eject the surgical fasteners, the actuator including a plurality of upstanding cam wedges, the plurality of upstanding cam wedges being monolithically formed from a unitary sheet of material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 20)
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16. A disposable loading unit for use with a surgical stapler, the disposable loading unit comprising:
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a cartridge having a tissue contact surface and defining a plurality of surgical fastener slots;
a plurality of surgical fasteners positioned within the surgical fastener slots;
an actuator configured to translate through the cartridge to sequentially eject the surgical fasteners from the cartridge; and
a pair of spaced apart projections extending from the tissue contacting surface of the cartridge, the projections being configured to be received within a pair of apertures formed on an anvil of a surgical stapler to maintain alignment between cartridge and anvil during firing of the staples. - View Dependent Claims (17, 18, 19)
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Specification