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US 2012/0234896 A1Published application
Surgical staple cartridges
AssigneeEthicon Endo-Surgery, Inc.
InventorsClaire E. Ellerhorst, Jeffrey S. Swayze, Karen K. Isaacs, Robert P. Kruth, Patrick J. Swindon
Life of this patent
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Abstract
Surgical staple cartridge and channel assemblies for attachment to a surgical cutting and stapling instrument.
Claims20
An integrated surgical fastener cartridge assembly comprising:
- an elongated channel configured for removable attachment to a distal frame portion of a surgical instrument, said elongated channel having an attachment portion comprising:
- a wedge-shaped portion configured for wedging engagement with the distal frame portion;
- and
- a locking member for releasably retaining said wedge-shaped portion in wedging engagement with the distal frame portion and wherein said integrated surgical fastener cartridge further comprises a cartridge body supported in said elongated channel and operably supporting a plurality of tissue fasteners therein.
1 more element
A surgical staple cartridge for use with surgical stapling instruments having a distal frame portion and an anvil movably supported thereon, said surgical staple cartridge comprising:
- an elongated channel having a proximal end portion for releasable attachment to the distal frame portion, said proximal end portion of said elongated channel having at least one angled portion shaped for wedging engagement with a corresponding complimentary shaped surface on the distal frame portion;
- and
- a selectively movable locking member for releasable engagement with one of the distal frame portion and said elongated channel, such that when said locking member is in an engaged position, said at least one angled portion of said elongated channel is urged proximally into wedging engagement with the corresponding complementary shaped surface on the distal frame portion and said elongated channel is releasably affixed to the distal frame portion;
- and
- a staple cartridge operably supported within said elongated channel and operably supporting a plurality of staples therein.
2 more elements
A surgical instrument comprising:
- a distal frame portion;
- an integrated surgical staple cartridge assembly comprising:
- an elongated channel having a proximal end portion for releasable attachment to said distal frame portion, said proximal end portion of said elongated channel having at least one angled portion shaped for wedging engagement with a corresponding complimentary shaped surface on said distal frame portion;
- and
- a staple cartridge operably supported within said elongated channel and operably supporting a plurality of surgical staples therein and wherein said surgical instrument further comprises a selectively movable locking member for releasable engagement with one of said distal frame portion and said elongated channel such that when said locking member is in an engaged position, said at least one angled portion of said elongated channel is urged proximally into wedging engagement with the corresponding complementary shaped surface on said distal frame portion and said elongated channel is releasably affixed to the distal frame portion.
2 more elements
Dependencies are inferred from the claim text.