Surgical staple cartridge with self-dispensing staple buttress
First Claim
1. A surgical instrument, comprising:
- (a) a body;
(b) a shaft housing a firing bar;
(c) an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the body and the shaft;
(d) a removable cartridge, wherein the lower jaw is configured to receive a cartridge when the end effector is in an open configuration, the cartridge comprising;
(i) a housing,(ii) a plurality of staples disposed in the housing, and(iii) a deck disposed over the plurality of staples, the deck defining apertures, each aperture being substantially disposed over each staple; and
(e) a movable buttress that is integral with the housing of the cartridge or integral with the lower jaw of the end effector, wherein the buttress is disposed in a roll within the housing of the cartridge, the buttress being movable relative to the cartridge and relative to the end effector.
1 Assignment
0 Petitions
Accused Products
Abstract
A surgical instrument includes a handle portion, a shaft housing a firing bar, an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the handle portion and the shaft. The lower jaw is configured to receive a removable cartridge when in an open position. The cartridge includes a housing, a plurality of staples disposed in the housing, and a deck disposed over the plurality of staples. The deck defines apertures, with each aperture being substantially disposed over each staple. The instrument includes a movable buttress that is integral with the housing of the cartridge or integral with the lower jaw of the end effector. The buttress may attach to the anvil and include a portion to receive tissue. The receipt of tissue urges and moves the buttress proximally inwards to further encompass the tissue.
756 Citations
15 Claims
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1. A surgical instrument, comprising:
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(a) a body; (b) a shaft housing a firing bar; (c) an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the body and the shaft; (d) a removable cartridge, wherein the lower jaw is configured to receive a cartridge when the end effector is in an open configuration, the cartridge comprising; (i) a housing, (ii) a plurality of staples disposed in the housing, and (iii) a deck disposed over the plurality of staples, the deck defining apertures, each aperture being substantially disposed over each staple; and (e) a movable buttress that is integral with the housing of the cartridge or integral with the lower jaw of the end effector, wherein the buttress is disposed in a roll within the housing of the cartridge, the buttress being movable relative to the cartridge and relative to the end effector. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A surgical instrument, comprising:
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(a) a body; (b) a shaft housing a firing bar; (c) an end effector comprising an anvil, a lower jaw, and a stapling and severing assembly responsive to a longitudinal closing motion produced by the body and the shaft; (d) a removable cartridge, wherein the lower jaw is configured to receive a cartridge when the end effector is in an open configuration, the cartridge comprising; (i) a housing, (ii) a plurality of staples disposed in the housing, and (iii) a deck disposed over the plurality of staples, the deck defining apertures, each aperture being substantially disposed over each staple; and (e) a movable buttress that is integral with the housing of the cartridge or integral with the lower jaw of the end effector, the buttress being movable relative to the cartridge and relative to the end effector, wherein an end of the buttress comprises a fastener, wherein a distal end of the anvil defines an opening configured to receive the fastener of the buttress.
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Specification