Stapling device for use with an electromechanical driver device for use with anastomosing, stapling, and resecting instruments
AssigneePowermed, Inc.
InventorMichael P. Whitman
Life of this patent
Estimating the term…
Abstract
A stapling device for use as an attachment to an electromechanical device driver comprises an upper jaw and a lower jaw, the upper jaw having staple guides corresponding to one or more staples in a removable staple tray disposed within a lower jaw, whereby a wedge having a threaded bore travels upon a matching threaded shaft in a channel disposed in the lower jaw behind the staple tray, such that rotation of the threaded shaft causes movement of the wedge through the channel while a sloped surface of the wedge contacts the staples to push the staples against the staples guides, closing the staples.
Claims31
A fastening and cutting device for cutting and fastening a section of tissue, comprising:
- a first jaw;
- a second jaw in opposed correspondence with the first jaw, the first and second jaws being relatively movable between an open position and a closed position;
- one or more fasteners initially disposed in the second jaw;
- a wedge, disposed in a selectively and axially translating relation within said second jaw, beneath said fasteners, said wedge including a blade and a sloped surface, such that during said selective axial translation of said wedge, the blade transects said section of tissue, and the slope surface drives said fasteners through the tissue and toward said first jaw, thereby fastening said section;
- a first rotatable shaft for effecting the relative movement of the first and second jaws between the open position and the closed position along a direction perpendicular to a longitudinal axis of the first shaft;
- and
- a second rotatable shaft for driving the wedge member, the second rotatable shaft being rotatable independently of the first rotatable shaft.
A fastening and cutting device for cutting and fastening a section of tissue, comprising:
- a first jaw;
- a second jaw in opposed correspondence with the first jaw, the first and second jaws being relatively moveable between an open position and a closed position;
- one or more fasteners initially disposed in the second jaw;
- a blade for cutting the tissue and a staple driver for driving the fasteners through the tissue and toward the first jaw;
- a first rotatable shaft for effecting the relative movement of the first and second jaws between the open position and the closed position along a direction perpendicular to a longitudinal axis of the first shaft;
- and
- a second rotatable shaft, different from the first rotatable shaft, for driving the blade and driving the staple driver.
A cutting and fastening device for cutting and fastening a section of tissue, comprising:
- a first jaw;
- a second jaw in opposed correspondence with the first jaw, the first and second jaws being relatively movable between an open position and a closed position;
- one or more fasteners initially disposed in the second jaw;
- a blade to cut the tissue and a staple driver to drive the fasteners through the tissue and toward the first jaw;
- a first rotatable shaft for effecting the relative movement of the first and second jaws between the open position and the closed position along a direction perpendicular to a longitudinal axis of the first shaft;
- and
- at least one motor driving the first shaft relative movement of the first and second jaws between the open position and the closed position independently of driving the blade and the staple driver.
A method for cutting and fastening a section of tissue, comprising:
- rotating a first rotatable shaft to effect relative movement of a first jaw and a second jaw from an open position to a closed position along a direction perpendicular to a longitudinal axis of the first shaft to secure the section of tissue between the first jaw and the second jaw;
- and
- rotating a second rotatable shaft, different from the first rotatable shaft, to drive a blade to cut the tissue and to drive fasteners through the section of tissue.
Dependencies are inferred from the claim text.