Surgical stapler
First Claim
1. A surgical stapler comprising:
- a handle portion;
an elongated shaft extending from the handle portion; and
an end effector disposed at a distal end of the elongated shaft, the end effector including,a shell assembly including a pusher block and a first alignment pin operatively coupled to the pusher block and extending distally therefrom, the first alignment pin being longitudinally fixed relative to the pusher block; and
an anvil selectively repositionable with respect to the shell assembly between spaced and approximated positions,wherein the pusher block is translatable such that the first alignment pin is repositionable between a first position spaced from the anvil and a second position in engagement with the anvil.
2 Assignments
0 Petitions
Accused Products
Abstract
A surgical stapler includes a handle assembly, an elongated body portion extending distally from the handle assembly, and a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The anvil assembly is movable in relation to the shell assembly between spaced and approximated positions. The shell assembly includes a pusher movable distally to advance staples from the shell assembly into contact with the anvil assembly. First and second alignment pins operatively associated with the pusher have distal ends positioned distally of the pusher, the alignment pins movable between a first non-engaged position spaced from the anvil assembly and a second position in engagement with the anvil assembly.
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Citations
18 Claims
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1. A surgical stapler comprising:
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a handle portion; an elongated shaft extending from the handle portion; and an end effector disposed at a distal end of the elongated shaft, the end effector including, a shell assembly including a pusher block and a first alignment pin operatively coupled to the pusher block and extending distally therefrom, the first alignment pin being longitudinally fixed relative to the pusher block; and an anvil selectively repositionable with respect to the shell assembly between spaced and approximated positions, wherein the pusher block is translatable such that the first alignment pin is repositionable between a first position spaced from the anvil and a second position in engagement with the anvil. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A surgical stapling apparatus comprising:
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a handle; a shaft having first and second ends, the first end coupled to the handle; an end effector coupled to the second end of the shaft, the end effector including, a shell assembly with a pusher block, the pusher block having a first protrusion extending distally therefrom, the first protrusion being longitudinally fixed relative to the pusher block; and an anvil repositionable with respect to the shell assembly between spaced and approximated positions, wherein the pusher block is repositionable with respect to the anvil such that the first protrusion is moved between a first position that is spaced from the anvil and a second position that is in engagement with the anvil. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification