Methods and devices for performing a surgical anastomosis
First Claim
1. A circular stapler comprising:
- a handle assembly;
an elongate body extending distally from the handle assembly and defining a longitudinal axis;
a drive member configured for longitudinal translation in response to actuation of the handle assembly, the drive member including a recess disposed adjacent a distal portion thereof; and
a cartridge assembly disposed adjacent a distal end of the elongate body, the cartridge assembly including a pusher assembly, a proximal portion of the pusher assembly being configured to mechanically engage a distal portion of the drive member and being longitudinally translatable to cause staples to be ejected from the cartridge assembly, the pusher assembly including at least one finger including at least one tab, the at least one tab being configured to engage the recess of the drive member in response to actuation of the handle assembly, the at least one finger being configured to flex to facilitate engagement between the drive member and the pusher assembly.
1 Assignment
0 Petitions
Accused Products
Abstract
A circular stapler is disclosed. The circular stapler comprises a handle assembly, an elongate body, and a cartridge assembly. The elongate body extends from the handle assembly and defines a longitudinal axis. The cartridge assembly is disposed adjacent a distal end of the elongate body. The cartridge assembly includes a pusher assembly and a knife assembly. The pusher assembly is movable to cause staples to be ejected from the cartridge assembly. The knife assembly is selectively movable relative to the pusher assembly to distally translate a knife. A knife carrier of the knife assembly includes at least one latch thereon. The at least one latch is configured to contact an engagement surface of the pusher assembly in response to movement between the knife carrier and the pusher assembly. The at least one latch is prevented from distally translating beyond the engagement surface.
855 Citations
13 Claims
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1. A circular stapler comprising:
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a handle assembly; an elongate body extending distally from the handle assembly and defining a longitudinal axis; a drive member configured for longitudinal translation in response to actuation of the handle assembly, the drive member including a recess disposed adjacent a distal portion thereof; and a cartridge assembly disposed adjacent a distal end of the elongate body, the cartridge assembly including a pusher assembly, a proximal portion of the pusher assembly being configured to mechanically engage a distal portion of the drive member and being longitudinally translatable to cause staples to be ejected from the cartridge assembly, the pusher assembly including at least one finger including at least one tab, the at least one tab being configured to engage the recess of the drive member in response to actuation of the handle assembly, the at least one finger being configured to flex to facilitate engagement between the drive member and the pusher assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification