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US 2022/0022868 A1Published application
Cartridge with cleaning capabilities and method of use
AssigneeCovidien LP
InventorsDwight Bronson, Anthony L. Ceniccola
Life of this patent
Estimating the term…
Abstract
A surgical stapling device includes a tool assembly having a cleaning cartridge, an anvil, and a drive member that supports a knife. The drive member is movable through a knife slot in the cleaning cartridge of the tool assembly to cut tissue clamped between the cleaning cartridge and the anvil. The cleaning cartridge includes a cleaner to clean the knife as the knife moves between its retracted and advanced positions to remove tissue cells from the knife.
Claims20
A staple cartridge comprising:
- a body defining a central knife slot and a plurality of staple receiving slots on each side of the central knife slot;
- a plurality of pushers, each pusher of the plurality of pushers movable through one or more of the plurality of staple receiving slots;
- and
- a cleaning fluid supported in the body of the staple cartridge, the cleaning fluid positioned to clean a knife moving through the central knife slot of the body.
1 more element
A tool assembly for a surgical stapling device comprising:
- an anvil;
- a cartridge assembly coupled to the anvil such that the tool assembly is movable between an open position and a clamped position, the cartridge assembly including a channel member and a staple cartridge, the channel member defining a channel, the staple cartridge removably received within the channel of the channel member, the staple cartridge and the anvil defining a tissue gap in the clamped position, the staple cartridge including:
- a body defining a central knife slot and a plurality of staple receiving slots on each side of the central knife slot;
- a plurality of pushers, each pusher of the plurality of pushers movable through one or more of the plurality of staple receiving slots;
- and
- a cleaning fluid supported in the body of the staple cartridge;
- and
- a drive member supporting a knife, the drive member movable between a retracted position and an advanced position to move the knife through the central knife slot;
- wherein the cleaning fluid is positioned to clean the knife as the knife moves through the central knife slot of the body.
6 more elements
A staple cartridge comprising:
- a body defining a central knife slot and a plurality of staple receiving slots on each side of the central knife slot;
- a plurality of pushers, each pusher of the plurality of pushers movable through one or more of the plurality of staple receiving slots;
- and
- a cleaner supported within the body of the staple cartridge, the cleaner positioned to clean a knife moving through the central knife slot of the body.
1 more element
Dependencies are inferred from the claim text.