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US 11,026,689 B2Granted
Surgical anvil assemblies for surgical stapling instruments
AssigneeCovidien LP
InventorJoseph Guerrera
Life of this patent
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Abstract
A surgical anvil assembly for use with a circular stapling instrument includes an anvil center rod defining a longitudinal axis and an anvil head pivotally coupled to the anvil center rod and movable between a first operative condition and a second tilted condition. The anvil assembly further includes a locking assembly configured to selectively lock the anvil head in each of the first and second conditions.
Claims9
A surgical anvil assembly for use with a circular stapling instrument, comprising:
- an anvil center rod having a distal portion, and a proximal portion defining a pair of slots therein;
- an anvil head pivotally coupled to the distal portion of the anvil center rod and movable between a first, operative condition and a second, tilted condition;
- and
- a pair of legs received within the pair of slots, each of the pair of legs including a distal end portion fixedly coupled to the proximal body portion, and a proximal end portion free to pivot within the respective slot, the pair of legs cooperatively defining a cavity therebetween dimensioned for receipt of an anvil retainer, each of the pair of legs having an inner surface configured to engage the anvil retainer, wherein the pair of legs cover an entire length of the pair of slots such that an interior of the anvil center rod is inaccessible from an external environment of the anvil center rod via the pair of slots.
1 more element
Dependencies are inferred from the claim text.