EEA tilt top anvil with ratchet/locking mechanism
First Claim
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1. A tilt anvil assembly comprising:
- a center rod defining a longitudinal axis; and
a head assembly including a housing, a post, and an anvil plate having staple deforming pockets, the post including a ratchet mechanism engaging the center rod during pivotal movement of the head assembly, the ratchet mechanism including a plurality of teeth, the head assembly being pivotally secured to the center rod, wherein the plurality of teeth of the ratchet mechanism engage the center rod to selectively maintain an off-axis angular orientation of the head assembly in relation to the longitudinal axis of the center rod in increments between a non-tilted position and a fully tilted position.
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Abstract
A tilt anvil assembly is disclosed which includes a center rod and a head assembly pivotally mounted to the center rod. The head assembly includes a housing, a post and an anvil plate. The head assembly is pivotally secured to the center rod and pivotal in relation to the center rod in discrete steps between a non-tilted position and a fully tilted position via a plurality of partially tilted positions. The head assembly is configured to maintain a partially tilted position.
435 Citations
14 Claims
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1. A tilt anvil assembly comprising:
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a center rod defining a longitudinal axis; and a head assembly including a housing, a post, and an anvil plate having staple deforming pockets, the post including a ratchet mechanism engaging the center rod during pivotal movement of the head assembly, the ratchet mechanism including a plurality of teeth, the head assembly being pivotally secured to the center rod, wherein the plurality of teeth of the ratchet mechanism engage the center rod to selectively maintain an off-axis angular orientation of the head assembly in relation to the longitudinal axis of the center rod in increments between a non-tilted position and a fully tilted position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 13, 14)
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9. A tilt anvil assembly comprising:
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a center rod assembly including a collar member having a spring member hingedly attached thereto, the center rod assembly defining a longitudinal axis; and a head assembly including a housing, a post, and an anvil plate having staple deforming pockets, the head assembly being pivotally secured to the center rod assembly and pivotal in relation to the longitudinal axis of the center rod assembly between a non-tilted position and a fully tilted position, the post including a plurality of teeth disposed at least partially along one side thereof; wherein the spring member of the collar member is configured to selectively engage the teeth of the post during pivotal movement of the head assembly. - View Dependent Claims (10, 11, 12)
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Specification