Tilt top anvil for a surgical fastener device
First Claim
1. A tilt top anvil assembly comprising:
- an anvil head;
a center rod; and
engagement structure positioned on the anvil assembly;
wherein the anvil head is pivotally secured to the center rod and is pivotable between an operative firing position and a tilted reduced profile position, and the engagement structure being movable to move the anvil head between the tilted reduced profile position and the operative firing position.
2 Assignments
0 Petitions
Accused Products
Abstract
A tilt top anvil assembly is provided for use with a surgical stapling device for performing end-to-end anastomosis of tissue. The tilt top anvil assembly included an anvil head, a center rod and a biasing member. The anvil head is pivotally secured to the center rod about a transverse axis which is offset from the longitudinal axis of the center rod. The biasing member is supported on the anvil assembly at a position to urge the anvil head to a tilted reduced profile position. The anvil assembly includes a first abutment surface which is operatively connected to the anvil head is movable into engagement with a second abutment surface formed on a surgical stapling device during approximation of the anvil assembly to move the anvil head from the tilted reduced profile position to an operative firing position. When the anvil assembly is moved to the unapproximated or spaced position, the biasing member is positioned to return the anvil assembly back to its tilted reduced profile position.
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Citations
24 Claims
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1. A tilt top anvil assembly comprising:
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an anvil head; a center rod; and engagement structure positioned on the anvil assembly; wherein the anvil head is pivotally secured to the center rod and is pivotable between an operative firing position and a tilted reduced profile position, and the engagement structure being movable to move the anvil head between the tilted reduced profile position and the operative firing position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A surgical stapling device comprising:
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a handle portion; an endoscopic body portion extending distally from the handle portion; a shell assembly supported on the distal end of the endoscopic portion, the shell assembly housing a plurality of surgical fasteners; and a tilt top anvil assembly configured to be positioned adjacent the shell assembly, the tilt top anvil assembly including an anvil head, and a center rod, the anvil head being pivotally secured to the center rod and being pivotable between an operative firing position and a tilted reduced profile position, the anvil assembly including engagement structure positioned to move the anvil head from the tilted reduced profile position to the operative firing position in response to approximation of the anvil assembly and the shell assembly. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification