Surgical stapling device with coated knife blade
AssigneeTyco Healthcare Group LP
InventorsMark S. Roby, Keith L. Milliman, Anthony Dato, Douglas J. Cuny, Anthony Gaddy, John J. Kennedy, Nicholas Maiorino, Alan Byron Cabezas
Life of this patent
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Abstract
A surgical stapling device is disclosed for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The surgical stapling device includes a knife blade possessing a lubricious coating which enhances the ability of the knife to cut through tissue and minimizes the knife sticking to tissue or other components of the surgical stapling device.
Claims20
A surgical stapling device comprising a knife, said knife comprising a tissue cutting end and a surface, a portion of said surface having a coating thereon, the coating formed from a coating mixture comprising at least one polydialkylsiloxane, at least one siliconization material, and at least one organic solvent.
A surgical stapling device comprising:
- a handle assembly including a firing trigger;
- a body portion extending distally from the handle assembly;
- a head portion including an anvil assembly and a shell assembly, the anvil assembly being movable in relation to the shell assembly between spaced and approximated positions, the shell assembly comprising:
- a pusher movable in relation to the anvil assembly between retracted and extended positions, the pusher configured to eject staples;
- and
- a knife comprising a tissue cutting end and a surface, a portion of said surface having a coating thereon, the coating formed from a coating mixture comprising at least one polydialkylsiloxane, at least one siliconization material, and at least one organic solvent.
Dependencies are inferred from the claim text.