Tilt top anvil for a surgical fastener device

Details Tilt top anvil for a surgical fastener device Tilt top anvil for a surgical fastener device

2005-10-25

2005-10-25

Smith, Scott A. (Department: 3721)

Elongated-member-driving apparatus

Surgical stapler

With magazine

C227S019000, C227S180100

Reexamination Certificate

active

06957758

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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