Surgical stapling instrument
First Claim
Patent Images
1. A shell assembly for use with a surgical instrument, the shell assembly comprising:
- a shell;
a staple guide, the staple guide configured to house a plurality of staples, the shell including a locking aperture spaced proximally of a distal end of the shell and defining a proximal wall and a distal wall, the shell including a ramp;
a pusher positioned at least partially within the shell and advanceable relative to the staple guide; and
at least one engagement feature disposed on the staple guide, the at least one engagement feature including an angled surface disposed adjacent a proximal portion thereof, and wherein the angled surface of the at least one engagement feature is configured to slidably contact the ramp of the shell prior to the at least one engagement feature engaging the locking aperture.
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0 Petitions
Accused Products
Abstract
A surgical stapling instrument comprising a handle assembly having a proximal end, an elongated body portion extending distally from the handle assembly, a head portion disposed adjacent a distal portion of the elongated body portion and including an anvil assembly and a shell assembly. The shell assembly includes a shell and a staple guide housing a plurality of staples. A flexible engagement structure attaches the staple guide to the shell.
514 Citations
15 Claims
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1. A shell assembly for use with a surgical instrument, the shell assembly comprising:
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a shell; a staple guide, the staple guide configured to house a plurality of staples, the shell including a locking aperture spaced proximally of a distal end of the shell and defining a proximal wall and a distal wall, the shell including a ramp; a pusher positioned at least partially within the shell and advanceable relative to the staple guide; and at least one engagement feature disposed on the staple guide, the at least one engagement feature including an angled surface disposed adjacent a proximal portion thereof, and wherein the angled surface of the at least one engagement feature is configured to slidably contact the ramp of the shell prior to the at least one engagement feature engaging the locking aperture. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification