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US 2021/0259693 A1Published application
Surgical stapling device with flexible shaft
AssigneeCovidien LP
InventorsSrinivasa Murthy Aravalli AVVLN, Ravi Sekhar GUTTI, Rajanikanth MANDULA, Jitendra Bhargava SRINIVAS
Life of this patent
Estimating the term…
Abstract
A surgical stapling device includes a tool assembly having an anvil assembly and a shell assembly. The shell assembly includes a housing that supports first and second motors, a staple cartridge supporting a plurality of staples, and a knife. The first motor can be energized to eject the staples from the staple cartridge and the second motor can be energized to advance the knife to cut tissue.
Claims20
A surgical stapling device comprising:
- a handle assembly;
- an elongate body including a flexible outer tube;
- and
- a tool assembly including an anvil assembly and a reload assembly, the reload assembly including a housing, a staple cartridge defining a plurality of staple pockets, a plurality of staples, each of the plurality of staples being supported within one of the plurality of staple pockets, a staple pushing member positioned within the housing, the staple pushing member movable from a retracted position to an advanced position to eject the plurality of staples from the staple cartridge, a knife supported within the housing, the knife movable from a retracted position to an advanced position to cut tissue, a first motor supported within the housing, wherein energization of the first motor moves the staple pushing member from its retracted position to its advanced position, and a second motor supported within the housing, wherein energization of the second motor moves the knife from its retracted position to its advanced position.
1 more element
A reload assembly comprising:
- a housing, a staple cartridge defining a plurality of staple pockets, a plurality of staples, each of the plurality of staples being supported within one of the plurality of staple pockets, a staple pushing member positioned within the housing, the staple pushing member movable from a retracted position to an advanced position to eject the plurality of staples from the staple cartridge, a knife supported within the housing, the knife movable from a retracted position to an advanced position to cut tissue, a first motor supported within the housing, wherein energization of the first motor moves the staple pushing member from its retracted position to its advanced position, and a second motor supported within the housing, wherein energization of the second motor moves the knife from its retracted position to its advanced position.
A surgical stapling device comprising:
- an elongate body;
- and
- a tool assembly including an anvil assembly and a reload assembly, the reload assembly including a housing, a staple cartridge defining a plurality of staple pockets, a plurality of staples, each of the plurality of staples being supported within one of the plurality of staple pockets, a staple pushing member positioned within the housing, the staple pushing member movable from a retracted position to an advanced position to eject the plurality of staples from the staple cartridge, a knife supported within the housing, the knife movable from a retracted position to an advanced position to cut tissue, a first motor supported within the housing, wherein energization of the first motor moves the staple pushing member from its retracted position to its advanced position, and a second motor supported within the housing, wherein energization of the second motor moves the knife from its retracted position to its advanced position.
Dependencies are inferred from the claim text.