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US 2011/0079628 A1Published application
Tool assembly for a surgical stapling device
AssigneeTyco Healthcare Group LP
InventorsDavid C. Racenet, Philip Roy, John W. Beardsley, Lee Ann Olson, Ralph Stearns, Clifford L. Emmons
Life of this patent
Estimating the term…
Abstract
A surgical stapling device including an independently rotatable tool assembly is disclosed. The tool assembly includes an anvil and a cartridge assembly which are movable in relation to each other between spaced and approximated positions.
Claims16
1-36. (canceled)
A surgical stapling device, comprising:
- a tool assembly, including:
- an anvil;
- a cartridge assembly having a plurality of surgical staples;
- a dynamic clamping member, the dynamic clamping member having an upper flange for engaging the anvil and a lower flange for engaging the cartridge assembly, the anvil and cartridge assembly being movable in relation to each other between open and clamped positions;
- a sled slidably positioned to translate through the cartridge assembly to eject the staples from the cartridge assembly, the dynamic clamping member being positioned proximally of the sled in engagement therewith and translatable through the cartridge assembly;
- a clamp ring movable from a retracted position to an advanced position encircling proximal portions of the anvil and cartridge assembly for preventing a gap between proximal portions of the anvil and cartridge assembly from exceeding a predetermined distance;
- and
- a drive mechanism for advancing the clamp ring and dynamic clamping member.
5 more elements
The surgical stapling device of claim 2, wherein the dynamic clamping member includes a recess for receiving a distal end of the flexible member.
Dependencies are inferred from the claim text.