Apparatus for creating partial anastomoses
First Claim
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1. A circular anastomosis fastening apparatus comprising:
- p1 an elongated housing;
a staple cartridge mounted at a distal end of said elongated housing; and
shroud means detachably mounted adjacent to said staple cartridge for shielding a predetermined portion of tissue from being engaged by said staple cartridge, wherein upon actuation of the circular anastomosis fastening device, a full circular anastomosis is prevented and a partial anastomosis is created.
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Abstract
An end-to-end anastomosis stapling apparatus is provided with a shroud for creating a partial anastomosis. The shroud is provided with a collar, portion for mounting the shroud onto the distal end of the stapling apparatus, and a tissue shield for shielding a predetermined portion of tissue from entering between an anvil and a staple cartridge on the stapling apparatus.
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Citations
23 Claims
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1. A circular anastomosis fastening apparatus comprising:
- p1 an elongated housing;
a staple cartridge mounted at a distal end of said elongated housing; and shroud means detachably mounted adjacent to said staple cartridge for shielding a predetermined portion of tissue from being engaged by said staple cartridge, wherein upon actuation of the circular anastomosis fastening device, a full circular anastomosis is prevented and a partial anastomosis is created. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- p1 an elongated housing;
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9. A surgical stapler apparatus comprising:
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a tubular housing having proximal and distal end portions; a staple cartridge mounted in said distal end portion of said housing adapted for expelling an annular array of staples therefrom; an anvil assembly connected to said distal end portion of said housing, said anvil assembly including an anvil and an anvil shaft, said anvil shaft received within said tubular housing, said anvil including at least one annular array of buckets configured to form said staples; means mounted on said housing for shielding a predetermined portion of tissue from entering between said staple cartridge and said at least one annular array of buckets on said anvil assembly wherein upon actuation of the surgical stapler apparatus, a full anastomosis is prevented and a partial anastomosis is created. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A surgical stapler apparatus comprising:
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a tubular housing; a shaft extending from said tubular housing; a fastener cartridge for holding an array of fasteners; an anvil assembly adapted to be removably connected to said shaft, said anvil assembly having an array of staple forming depressions; means for moving one of said anvil assembly and said cartridge assembly from a first spaced apart position to a second position to grasp a tissue portion therebetween; and means for blocking penetration of tissue in a region between said cartridge and said anvil assembly wherein upon actuation of said surgical stapler apparatus, a full anastomosis is prevented and a partial anastomosis is created. - View Dependent Claims (21, 22, 23)
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Specification