Patent ID: 11944294
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A surgical stapling device comprising:
a handle assembly;
an elongate body portion extending distally from the handle assembly in a distal direction;
a shell assembly supported on a distal end of the elongate body portion, the shell assembly including an annular cartridge positioned on a distal end of the shell assembly;
an anvil retainer assembly extending through the shell assembly, the anvil retainer assembly including a retainer member having a retainer body and an engagement member, the retainer body defining a first longitudinal axis that extends in the distal direction through the annular cartridge and having a distal portion, the engagement member defining a second longitudinal axis and being pivotally supported on the distal portion of the retainer body for movement between a pivoted position in which the first and second longitudinal axes are misaligned and a non-pivoted position in which the first and second axes are coaxial, the engagement member extending distally of the shell assembly and being configured as a trocar having a tapered distal portion for piercing tissue; and
an anvil assembly having an anvil head and an anvil shaft coupled to the anvil head, the anvil shaft releasably coupled to the engagement member of the anvil retainer assembly.