Surgical stapler
First Claim
Patent Images
1. A surgical stapler comprising:
- a) a handle assembly including a handle mounted for manipulation through an actuating stroke;
b) an elongated body extending distally from the handle assembly and defining a longitudinal axis;
c) an actuation member supported within the handle assembly and mounted for linear movement in response to movement of the handle through the actuation stroke;
d) a staple cartridge supported by the elongated body and containing a plurality of staples, the plurality of staples defining at least one staple line having a first linear dimension;
e) an anvil mounted adjacent the cartridge, the anvil having a fastener forming surface thereon, the anvil being movable in relation to the staple cartridge between an open position and a closed position; and
f) an actuator operatively connected to the actuation member, the actuator being configured to move relative to the staple cartridge and anvil to effectuate sequential ejection of the staples from the cartridge in response to movement of the pivotable handle through the actuation stroke, wherein one said actuation stroke of the handle effects movement of the actuator over a second linear dimension which is less than the first linear dimension such that more than one said actuation stroke of the handle is required to eject the at least one staple line from the staple cartridge.
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Accused Products
Abstract
A surgical device is described herein that can be used to fire different types and sizes of disposable loading units. In a preferred embodiment, the device applies parallel rows of surgical fasteners to body tissue and concomitantly forms an incision between the rows of staples during an endoscopic or laparoscopic surgical procedure. The device can be utilized with disposable loading units configured to apply linear rows of staples measuring from about 15 mm in length to about 60 mm in length and can be used to fire disposable loading units containing surgical clips and individual staples.
168 Citations
19 Claims
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1. A surgical stapler comprising:
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a) a handle assembly including a handle mounted for manipulation through an actuating stroke;
b) an elongated body extending distally from the handle assembly and defining a longitudinal axis;
c) an actuation member supported within the handle assembly and mounted for linear movement in response to movement of the handle through the actuation stroke;
d) a staple cartridge supported by the elongated body and containing a plurality of staples, the plurality of staples defining at least one staple line having a first linear dimension;
e) an anvil mounted adjacent the cartridge, the anvil having a fastener forming surface thereon, the anvil being movable in relation to the staple cartridge between an open position and a closed position; and
f) an actuator operatively connected to the actuation member, the actuator being configured to move relative to the staple cartridge and anvil to effectuate sequential ejection of the staples from the cartridge in response to movement of the pivotable handle through the actuation stroke, wherein one said actuation stroke of the handle effects movement of the actuator over a second linear dimension which is less than the first linear dimension such that more than one said actuation stroke of the handle is required to eject the at least one staple line from the staple cartridge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13)
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12. A surgical stapler comprising:
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a handle assembly including a pivotal handle which is movable through an actuation stroke;
a body extending distally from the handle assembly;
a cartridge containing a plurality of staples and an anvil movably mounted in relation to the cartridge to a position in alignment with the cartridge, the plurality of staples being supported in the cartridge in at least one row having a first length; and
an actuator operably associated with the handle assembly and linearly movable in relation to the cartridge to effectuate sequential ejection of the plurality of staples from the cartridge;
wherein one said actuation stroke effects movement of the actuator over a second length which is less than the first length such that more than one said actuation stroke is required to effectuate ejection of the row of staples. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification