Surgical stapling apparatus including an anvil and cartridge each having cooperating mating surfaces
AssigneeCovidien LP
InventorBruce K. Jankowski
Life of this patent
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Abstract
Surgical stapling apparatus are disclosed including an anvil having a working surface with a shaped topography; and a staple cartridge, in juxtaposition with the anvil. The staple cartridge includes a working surface with shaped topography which is complementary to the shaped topography of the working surface of the shaped anvil. When the anvil and the staple cartridge are approximated with or toward one another, at least a portion of the working surface of the anvil cooperates with at least a portion of the working surface of the staple cartridge to enhance alignment of the staple cartridge and the anvil in at least one of a transverse and longitudinal direction.
Claims20
A surgical stapling apparatus, comprising:
- an anvil having a non-planar, annular working surface defining a plurality of staple forming depressions;
- and
- a staple cartridge having a non-planar, annular working surface defining a plurality of staple retention slots, the non-planar, annular working surface of the staple cartridge being positioned and configured to cooperate with the non-planar, annular working surface of the anvil when the anvil and staple cartridge are in an approximated position to align the plurality of staple forming depressions with the plurality of staple retention slots.
A surgical stapling apparatus, comprising:
- an anvil having an annular working surface defining a plurality of staple forming depressions;
- and
- a staple cartridge having an annular working surface defining a plurality of staple retention slots, the annular working surface of the staple cartridge being positioned and configured to cooperate with the annular working surface of the anvil when the anvil and staple cartridge are in an approximated position to align the plurality of staple forming depressions with the plurality of staple retention slots, the staple cartridge including an upstanding annular side wall extending from at least one of an inner and outer terminal edge of the annular working surface of the staple cartridge, the upstanding annular side wall defining an obtuse angle relative to the annular working surface of the staple cartridge.
Dependencies are inferred from the claim text.