Surgical stapling instrument
First Claim
Patent Images
1. A stapler for stapling a tubular structure to another structure, comprising:
- a body having a recess and a shoulder at a distal portion, the recess extending proximally from the shoulder, the recess being sized and configured to receive at least a portion of the tubular structure, the body also having a staple cavity extending proximally from the shoulder;
a staple positioned in the staple cavity;
an anvil coupled to the body and being movable between an expanded condition and a collapsed position; and
a staple pusher movably coupled to the body for driving the staple from the staple cavity and against the anvil when the anvil is in the expanded position to staple the tubular structure to another structure.
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Abstract
A stapler for stapling a tubular structure to another structure. The stapler has an anvil which is expandable from a collapsed position to an expanded position. The stapler has a recess which receives at least a portion of the tubular structure and a shoulder which receives an everted end of the tubular structure. A first actuator moves the anvil relative to the shoulder for compressing the structures which are to be stapled together. A second actuator is used for driving the staples through the structures to be stapled together.
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Citations
8 Claims
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1. A stapler for stapling a tubular structure to another structure, comprising:
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a body having a recess and a shoulder at a distal portion, the recess extending proximally from the shoulder, the recess being sized and configured to receive at least a portion of the tubular structure, the body also having a staple cavity extending proximally from the shoulder; a staple positioned in the staple cavity; an anvil coupled to the body and being movable between an expanded condition and a collapsed position; and a staple pusher movably coupled to the body for driving the staple from the staple cavity and against the anvil when the anvil is in the expanded position to staple the tubular structure to another structure. - View Dependent Claims (2, 3, 4, 5)
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6. A stapler for surgical stapling, comprising:
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a body having a shoulder at a distal portion and a staple cavity extending proximally from the shoulder; a staple positioned in the staple cavity; an anvil coupled to the body and movable between an expanded condition and a collapsed position, the anvil having a plurality of segments naturally biased toward the collapsed position; a staple pusher movably coupled to the body for driving the staple from the staple cavity and against the anvil when the anvil is in the expanded position to staple a structure to another structure; and an expander slidably coupled to the anvil between a first position and a second position, the expander moving the anvil from the collapsed position to the expanded position when the expander moves from the first position to the second position. - View Dependent Claims (7, 8)
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Specification