US 11,678,876 B2Granted

Powered surgical instrument

AssigneeCilag GmbH International

InventorsChristopher J. Hess, Jerome R. Morgan, William B. Weisenburgh, II, James W. Voegele, Mark S. Ortiz, Michael J. Stokes, Carl J. Shurtleff, Frederick E. Shelton, IV, Jeffrey S. Swayze

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Abstract

A method for deforming a staple comprising a base, a first staple leg, and a second staple leg, wherein the base, the first staple leg, and the second staple leg are positioned within a common plane prior to being deformed, the method comprising positioning the first staple leg within a first cup of a staple pocket, the first cup comprising a first inner surface, applying a first compressive force to the first staple leg to bend the first staple leg toward the base and the second staple leg, contacting the first inner surface with the end of the first staple leg to bend the end of the first staple leg toward a first side of the base, and deforming the first staple leg such that the end of the first staple leg crosses a mid-line of the staple defined between the first staple leg and the second staple leg.

Claims3

Dependent claims

A powered surgical instrument for cutting and stapling the tissue of a patient, wherein said powered surgical instrument comprises:

an end effector, comprising:
a first jaw comprising a first longitudinal cam surface;
a second jaw movable relative to said first jaw between an unclamped position and a clamped position, wherein said first jaw and said second jaw exert a compression force on the patient tissue when said second jaw is in said clamped position, and wherein said second jaw comprises a second longitudinal cam surface;
an anvil;
a staple cartridge comprising a longitudinal slot and staples removably stored therein;
and
a sled;
an elongate shaft, wherein said end effector extends from said elongate shaft;
an actuation system configured to move said second jaw into said clamped position, wherein said actuation system comprises:
a firing member including a cutting member, wherein said firing member is movable from a proximal position toward a distal position during a staple firing stroke, wherein said firing member is configured to distally advance said sled to eject said staples from said staple cartridge during said staple firing stroke, and wherein said firing member comprises:
a first laterally extending member configured to slide along said first longitudinal cam surface of said first jaw during said staple firing stroke;
and
a second laterally extending member configured to slide along said second longitudinal cam surface of said second jaw during said staple firing stroke, wherein said actuation system is configured to limit said compression force between said first jaw and said second jaw to prevent over clamping of the patient tissue;
and
a handle, wherein said elongate shaft extends from said handle, and wherein said handle comprises:
a power source;
a motor configured to output a rotary motion, wherein said motor is configured to receive a first amount of power from said power source and a second amount of power from said power source, wherein said second amount of power is different than said first amount of power, and wherein said first amount of power and said second amount of power are proportionate to a force experienced by said end effector;
and
a control system configured to control the rate of said rotary motion.

16 more elements

A powered surgical instrument for cutting and stapling the tissue of a patient, wherein said powered surgical instrument comprises:

an end effector, comprising:
a first jaw comprising a first longitudinal cam surface;
a second jaw movable relative to said first jaw between an unclamped position, an initial clamped position, and a clamped position, wherein said first jaw and said second jaw are configured to clamp the patient tissue with an initial tissue compression force when said second jaw is in said initial clamped position, wherein said first jaw and said second jaw are configured to clamp the patient tissue with a clamped tissue compression force when said second jaw is in said clamped position, and wherein said second jaw comprises a second longitudinal cam surface;
a staple cartridge comprising a plurality of staples and a sled;
and
an anvil;
an elongate shaft, wherein said end effector extends from said elongate shaft;
an actuation system, comprising;
a firing member movable from a proximal position toward a distal position during a staple firing stroke, wherein said firing member is configured to distally advance said sled to eject said staples from said staple cartridge during said staple firing stroke;
a cutting member defined on said firing member;
a first laterally extending member extending from said firing member, wherein said first laterally extending member slides along said first longitudinal cam surface during said staple firing stroke;
a second laterally extending member extending from said firing member, wherein said second laterally extending member slides along said second longitudinal cam surface during said staple firing stroke, wherein said first and second laterally extending members are configured to couple said first jaw and said second jaw during said staple firing stroke and control said clamped tissue compression force between said first jaw and said second jaw below a threshold to prevent over clamping of the patient tissue;
and
a handle, wherein said elongate shaft extends from said handle, and wherein said handle comprises:
a battery;
a motor configured to output a rotary motion, wherein said motor is configured to receive a first amount of power from said battery and a second amount of power from said battery, wherein said second amount of power is different than said first amount of power, and wherein said first amount of power and said second amount of power are responsive to a load experienced by said end effector;
and
a control system configured to control the rate of said rotary motion.

15 more elements

A powered surgical instrument for cutting and stapling the tissue of a patient, wherein said powered surgical instrument comprises:

an end effector, comprising:
a first jaw comprising a first longitudinal surface;
a second jaw movable relative to said first jaw between an unclamped position and a clamped position, wherein said first jaw and said second jaw are configured to clamp the patient tissue with a tissue compression force when said second jaw is in said clamped position, and wherein said second jaw comprises a second longitudinal surface;
a staple cartridge comprising a plurality of staples and a sled;
and
an anvil;
an elongate shaft, wherein said end effector extends from said elongate shaft;
an actuation system configured to move said second jaw into said clamped position, wherein said actuation system comprises a firing member, wherein said firing member is configured to move from a proximal position toward a distal position during a staple firing stroke, and wherein said firing member comprises:
a knife blade;
a first laterally extending cam configured to slide along said first longitudinal surface of said first jaw during said staple firing stroke;
a second laterally extending cam configured to slide along said second longitudinal surface of said second jaw during said staple firing stroke, wherein said firing member is configured to distally advance said sled to eject said staples from said staple cartridge during said staple firing stroke, wherein said actuation system further comprises means for limiting said tissue compression force between said first jaw and said second jaw to a maximum tissue compression force, and wherein said means for limiting prevents further clamping of said second jaw relative to said first jaw once said maximum tissue compression force is attained;
and
a handle, wherein said elongate shaft extends from said handle, and wherein said handle comprises:
a power source;
a motor configured to output a rotary motion, wherein said motor is configured to receive a first amount of power from said power source and a second amount of power from said power source, wherein said second amount of power is different than said first amount of power, and wherein said first amount of power and said second amount of power are proportionate to a load experienced by said firing member;
and
a control system configured to control the rate of said rotary motion.

14 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/692,986Filed 31 Aug 2017 · continuation
Priority: 29 Sep 2006
Published: US 2018/0049740 A122 Feb 2018
Granted: 20 Jun 2023
Term ends: Not estimatedThe source records don’t support an estimate.

Classification37 codes

A61B 17/0644
Surgical staples, i.e. penetrating the tissue: penetrating the tissue, deformable to closed position
A61B 17/0682
Surgical staplers , e.g. containing multiple staples or clamps: for applying U-shaped staples or clamps, e.g. without a forming anvil
A61B 17/07207
For applying a row of staples in a single action, e.g. the staples being applied simultaneously: the staples being applied sequentially
A61B 17/07292
For applying a row of staples in a single action, e.g. the staples being applied simultaneously: reinforcements for staple line, e.g. pledgets

Family

Application11/541,123Parent of this continuation · filed 29 Sep 2006
Application61/250,377Us provisional application · filed 9 Oct 2009
Application12/622,130Parent of this continuation-in-part · filed 19 Nov 2009
Application12/880,414Parent of this continuation-in-part · filed 13 Sep 2010
US 7,794,475 B2Parent of this continuation · filed 14 Sep 2010
Application13/776,803Parent of this continuation · filed 26 Feb 2013
US 2018/0049740 A1Pre-grant publication · published 22 Feb 2018
US 10,130,359 B2Parent of this continuation
Application13/776,803Parent of this continuation-in-part
Application12/880,414Parent of this continuation
US 2008/0082124 A1Published application
US 2011/0060363 A1Published application
US 2011/0087276 A1Published application
US 2013/0172929 A1Published application
US 11,678,876 B2This patent

From the US filing history. Foreign family members aren’t listed.