MODULAR SURGICAL TOOL SYSTEMS
5 Assignments
0 Petitions
Accused Products
Abstract
A surgical instrument is disclosed. The surgical instrument includes an actuation system, a drive system, and a tool head. The drive system is coupled to the actuation system and includes a rotatable shaft which defines a longitudinal axis. The tool head is coupled to the drive system and includes an annular cartridge and a pliable bunchable ring. The annular cartridge includes a plurality of staples. The pliable bunchable ring surrounds the annular cartridge. The surgical instrument is configured to drive the staples through the pliable bunchable ring substantially transverse to the longitudinal axis.
316 Citations
29 Claims
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1-20. -20. (canceled)
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21. A stapling instrument for stapling and cutting tissue, comprising:
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a housing; staples removably stored in said housing; a blade comprising a perimeter; a tissue tacking collar, wherein said tissue tacking collar is deployable between a first configuration and a second configuration to engage said tissue; a cinching mechanism configured to deploy said tissue tacking collar between said first configuration and said second configuration; and an actuator system configured to pull the tissue within said blade perimeter after said tissue tacking collar has been engaged with the tissue. - View Dependent Claims (22, 23)
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24. An end effector for stapling and cutting tissue, comprising:
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a housing; staples removably stored in said housing; a blade comprising an inner perimeter, wherein said blade is configured to incise the tissue; a tissue collar, wherein said tissue collar is deployable between a first configuration and a second configuration; a cinching mechanism configured to deploy said tissue collar between said first configuration and said second configuration; and an actuator configured to pull the tissue within said inner perimeter after said tissue tacking collar has been engaged with the tissue. - View Dependent Claims (25, 26)
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27. An end effector for stapling and cutting tissue, comprising:
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a housing; staples removably stored in said housing; a cutting portion configured to cut the tissue; a collapsible ring, wherein said ring is deployable between a first configuration and a second configuration to engage the tissue; and an actuator configured to deploy said ring between said first configuration and said second configuration and pull the tissue within said cutting portion after said ring has been engaged with the tissue. - View Dependent Claims (28, 29)
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Specification