Adaptor for anvil delivery
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Accused Products
Abstract
A surgical stapling device including a self-righting anvil assembly is disclosed. The anvil assembly includes an anvil center rod and a pivotable anvil head. The surgical stapling device includes an anvil retainer assembly having a locking member in the form of a trocar for moving the anvil head from its tilted position to its operative position upon attachment of the anvil assembly to the stapling device. A cam member is provided to retain the locking member in a first or locked position and, thus, the anvil head in the operative position until after the stapling device has been fired. In another embodiment, a tiltable anvil assembly for use with a surgical stapling device is disclosed. The anvil assembly includes a center rod and a head assembly which is pivotally secured to the center rod. The head assembly includes a housing, a post, an anvil plate and a backup member. The backup member is movably positioned about the post from a first position preventing pivotal movement of the head assembly to a second position permitting pivotal movement of the head assembly. A retainer member is positioned between the backup member and the housing to prevent movement of the backup member from its first position to its second position until a predetermined force has been applied to the backup member. In another embodiment, a passive lockout mechanism is disclosed which is operably associated with a trigger lock on the handle assembly of the surgical stapling device. The passive lockout mechanism is positioned to prevent movement of the anvil assembly in relation to the shell assembly of the device from an approximated position to an unapproximated position when the trigger lock is in an unlocked position.
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Citations
38 Claims
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1-18. -18. (canceled)
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19. An anvil delivery adaptor, comprising:
a body having a first end and a second end, the first end being configured to be secured to an anvil shaft of an anvil assembly, the second end being configured to be secured to a flexible tube to releasably secure the anvil assembly to the flexible tube. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method of performing a surgical procedure comprising the steps of:
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providing an adaptor, an anvil assembly, and a flexible tube; securing a first end of the adaptor to the anvil assembly and a second end of the adaptor to a first end of the flexible tube; inserting a second end of the flexible tube into a body; positioning the anvil assembly within the body using the flexible tube; detaching the flexible tube and the adaptor from the anvil assembly while the anvil assembly is positioned within the body. - View Dependent Claims (33, 34, 35, 36, 37, 38)
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Specification