Patents by Inventor Paul A. Scirica

Paul A. Scirica has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11844522
    Abstract: A surgical device is disclosed. The surgical device includes: a jaw assembly including a first jaw and a second jaw moveable relative to the first jaw; and an articulating assembly removably coupled to the proximal end of the jaw assembly, the articulating including a distal joint member, a proximal joint member, and a pivot pin fixedly coupled to the distal joint member and rotatably coupled to the proximal joint member, wherein the jaw assembly and the distal joint member define a first longitudinal axis extending between a proximal end of the jaw assembly and a distal end of the distal joint member, and the proximal joint member defines a second longitudinal axis.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: December 19, 2023
    Assignee: Covidien LP
    Inventors: Paul A. Scirica, Justin Williams, Kevin Robert Slisz
  • Patent number: 11806018
    Abstract: An end effector for use with a surgical apparatus. The end effector comprising a staple cartridge having a tissue contacting surface defining a central longitudinal slot and an anvil plate having a tissue contacting surface defining a central longitudinal slot. A folded surgical buttress configured to overlie each of the tissue contacting surfaces of the staple cartridge and anvil plate and configured to retain the surgical buttress to the tissue contacting surfaces of each of the staple cartridge and anvil plate. The surgical buttress having a first longitudinal portion, a second longitudinal portion, and middle longitudinal portion between the first and second longitudinal portions, wherein the middle longitudinal portion is folded and configured to fit within the central longitudinal slot of each of the staple cartridge and anvil plate.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: November 7, 2023
    Assignee: COVIDEN LP
    Inventors: Richard P. Stevenson, Paul A. Scirica
  • Patent number: 11696762
    Abstract: A surgical stapler includes a tubular body portion and a cartridge assembly disposed at a distal end of the body portion for expelling an annular array of staples. Each of the staples of the annular array of staples has a generally bent backspan. An anvil member disposed at the distal end of the tubular body portion is positioned opposite the cartridge assembly to clinch the staples in tissue upon expulsion of the staples from the cartridge assembly. The anvil member has a corresponding annular array of staple forming buckets. Each of the buckets is configured to accommodate the generally bent configuration of the staples to facilitate formation thereof.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: July 11, 2023
    Assignee: COVIDIEN LP
    Inventors: Christopher P. Penna, Justin Williams, Paul A. Scirica, David Racenet
  • Patent number: 11589866
    Abstract: A surgical device includes a jaw assembly, an articulating assembly and a drive shaft. The jaw assembly includes first and second jaws. The articulating assembly is removably coupled to a proximal end of the jaw assembly and includes a distal joint member, a proximal joint member, and a pivot pin. The pivot pin is fixedly coupled to the distal joint member and is rotatably coupled to the proximal joint member. The jaw assembly and the distal joint member together define a first longitudinal axis. The proximal joint member defines a second longitudinal axis. The drive shaft includes a gear element that is meshingly engaged with a pivoting gear element that is fixedly coupled to the pivot pin. Longitudinal movement of the first drive shaft pivots the jaw assembly relative to the proximal joint member about a pivot axis defined by the pivot pin.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: February 28, 2023
    Assignee: Covidien LP
    Inventors: David A. Nicholas, Paul A. Scirica, Justin Williams, Kevin Slisz
  • Patent number: 11207089
    Abstract: An electromechanical surgical system having an instrument housing for connecting with a shaft assembly, a shaft assembly, and an end effector. The end effector is an articulating end effector and the system includes a cable tensioning system for tensioning the articulation cables. The system includes a clutch mechanism for preventing slippage of a drive cable.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: December 28, 2021
    Assignee: Covidien LP
    Inventors: Stanislaw Kostrzewski, Ernest Aranyi, Paul A. Scirica
  • Publication number: 20210251629
    Abstract: An end effector for use with a surgical apparatus. The end effector comprising a staple cartridge having a tissue contacting surface defining a central longitudinal slot and an anvil plate having a tissue contacting surface defining a central longitudinal slot. A folded surgical buttress configured to overlie each of the tissue contacting surfaces of the staple cartridge and anvil plate and configured to retain the surgical buttress to the tissue contacting surfaces of each of the staple cartridge and anvil plate. The surgical buttress having a first longitudinal portion, a second longitudinal portion, and middle longitudinal portion between the first and second longitudinal portions, wherein the middle longitudinal portion is folded and configured to fit within the central longitudinal slot of each of the staple cartridge and anvil plate.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 19, 2021
    Inventors: Richard P. Stevenson, Paul A. Scirica
  • Patent number: 11071541
    Abstract: A loading unit including a shipping member is provided. The loading unit includes a housing, a staple pushing assembly, a knife assembly, and a staple cartridge. The shipping member is configured to be selectively secured to the housing of the loading unit and prevents advancement of the staple pushing assembly and the knife assembly. The shipping member also retains staples within the staple cartridge.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 27, 2021
    Assignee: Covidien LP
    Inventors: Justin Williams, Christopher Penna, Paul A. Scirica
  • Publication number: 20210093323
    Abstract: A surgical device is disclosed. The surgical device includes: a jaw assembly including a first jaw and a second jaw moveable relative to the first jaw; and an articulating assembly removably coupled to the proximal end of the jaw assembly, the articulating including a distal joint member, a proximal joint member, and a pivot pin fixedly coupled to the distal joint member and rotatably coupled to the proximal joint member, wherein the jaw assembly and the distal joint member define a first longitudinal axis extending between a proximal end of the jaw assembly and a distal end of the distal joint member, and the proximal joint member defines a second longitudinal axis.
    Type: Application
    Filed: December 14, 2020
    Publication date: April 1, 2021
    Inventors: Paul A. Scirica, Justin Williams, Kevin Robert Slisz
  • Patent number: 10874392
    Abstract: A surgical device is disclosed. The surgical device includes: a jaw assembly including a first jaw and a second jaw moveable relative to the first jaw; and an articulating assembly removably coupled to the proximal end of the jaw assembly, the articulating including a distal joint member, a proximal joint member, and a pivot pin fixedly coupled to the distal joint member and rotatably coupled to the proximal joint member, wherein the jaw assembly and the distal joint member define a first longitudinal axis extending between a proximal end of the jaw assembly and a distal end of the distal joint member, and the proximal joint member defines a second longitudinal axis.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: December 29, 2020
    Assignee: Covidien LP
    Inventors: Paul A. Scirica, Justin Williams, Kevin Robert Slisz
  • Publication number: 20200261090
    Abstract: A surgical device includes a jaw assembly, an articulating assembly and a drive shaft. The jaw assembly includes first and second jaws. The articulating assembly is removably coupled to a proximal end of the jaw assembly and includes a distal joint member, a proximal joint member, and a pivot pin. The pivot pin is fixedly coupled to the distal joint member and is rotatably coupled to the proximal joint member. The jaw assembly and the distal joint member together define a first longitudinal axis. The proximal joint member defines a second longitudinal axis. The drive shaft includes a gear element that is meshingly engaged with a pivoting gear element that is fixedly coupled to the pivot pin. Longitudinal movement of the first drive shaft pivots the jaw assembly relative to the proximal joint member about a pivot axis defined by the pivot pin.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 20, 2020
    Inventors: David A. Nicholas, Paul A. Scirica, Justin Williams, Kevin Slisz
  • Patent number: 10722234
    Abstract: A loading unit for use with a surgical stapling apparatus including a tool assembly and a surgical buttress. The tool assembly includes: a cartridge assembly including a staple cartridge having a tissue facing surface, staple retaining pockets having a plurality of surgical fasteners therein, and a knife slot; and an anvil assembly including an anvil plate having a tissue facing surface defining staple forming pockets and a knife slot. The surgical buttress is attached to the tissue facing surface of at least one of the cartridge assembly or the anvil assembly, and conforms to the tissue facing surface such that the surgical buttress is deformed locally into the staple retaining pockets and the knife slot of the cartridge assembly or the staple forming pockets and the knife slot of the anvil assembly to which the surgical buttress is attached.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: July 28, 2020
    Assignee: COVIDIEN LP
    Inventors: Gerald N. Hodgkinson, Paul A. Scirica
  • Publication number: 20200229821
    Abstract: A surgical stapler includes a tubular body portion and a cartridge assembly disposed at a distal end of the body portion for expelling an annular array of staples. Each of the staples of the annular array of staples has a generally bent backspan. An anvil member disposed at the distal end of the tubular body portion is positioned opposite the cartridge assembly to clinch the staples in tissue upon expulsion of the staples from the cartridge assembly. The anvil member has a corresponding annular array of staple forming buckets. Each of the buckets is configured to accommodate the generally bent configuration of the staples to facilitate formation thereof.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 23, 2020
    Inventors: Christopher P. PENNA, Justin WILLIAMS, Paul A. SCIRICA, David RACENET
  • Patent number: 10646224
    Abstract: A surgical device includes a jaw assembly, an articulating assembly and a drive shaft. The jaw assembly includes first and second jaws. The articulating assembly is removably coupled to a proximal end of the jaw assembly and includes a distal joint member, a proximal joint member, and a pivot pin. The pivot pin is fixedly coupled to the distal joint member and is rotatably coupled to the proximal joint member. The jaw assembly and the distal joint member together define a first longitudinal axis. The proximal joint member defines a second longitudinal axis. The drive shaft includes a gear element that is meshingly engaged with a pivoting gear element that is fixedly coupled to the pivot pin. Longitudinal movement of the first drive shaft pivots the jaw assembly relative to the proximal joint member about a pivot axis defined by the pivot pin.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: May 12, 2020
    Assignee: COVIDIEN LP
    Inventors: David A. Nicholas, Paul A. Scirica, Justin Williams, Kevin Slisz
  • Publication number: 20200138463
    Abstract: An electromechanical surgical system having an instrument housing for connecting with a shaft assembly, a shaft assembly, and an end effector. The end effector is an articulating end effector and the system includes a cable tensioning system for tensioning the articulation cables. The system includes a clutch mechanism for preventing slippage of a drive cable.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 7, 2020
    Inventors: Stanislaw KOSTRZEWSKI, Ernest ARANYI, Paul A. SCIRICA
  • Patent number: 10568651
    Abstract: An electromechanical surgical system having an instrument housing for connecting with a shaft assembly, a shaft assembly, and an end effector. The end effector is an articulating end effector and the system includes a cable tensioning system for tensioning the articulation cables. The system includes a clutch mechanism for preventing slippage of a drive cable.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: February 25, 2020
    Assignee: COVIDIEN LP
    Inventors: Stanislaw Kostrzewski, Ernest Aranyi, Paul A. Scirica
  • Patent number: 10426480
    Abstract: The present disclosure relates to a cut ring assembly including a backup member, an intermediate member and a cutting ring body. The intermediate member is formed of a thin, rigid material that is sandwiched between the backup member and the cutting ring body. The thin, rigid material is formed of a material having a hardness less than the hardness of the backup member and greater than the hardness of the cutting ring body. The present disclosure also relates to an anvil assembly including such a cut ring assembly.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: October 1, 2019
    Assignee: Covidien LP
    Inventors: Paul A. Scirica, Steven Joyce, Justin Williams, Charles Kollar, Christopher Penna
  • Patent number: 10342536
    Abstract: An electromechanical surgical system includes a hand-held surgical instrument; an end effector; and a shaft assembly for selectively interconnecting the end effector and the surgical device. The shaft assembly includes a transmission housing; an outer tubular body; a distal neck housing for interconnecting a rotatable drive member of the surgical instrument and a rotation receiving member supported in the end effector, wherein the distal neck housing includes at least one gear system configured to convert a rotational input of the rotatable drive member into at least two output forces to the end effector; and an articulating neck assembly interconnecting the tubular body and the distal neck housing. The articulating neck assembly enables off-axis articulation of the distal neck assembly, and wherein the rotatable drive member extends through the articulating neck assembly.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: July 9, 2019
    Assignee: Covidien LP
    Inventors: Justin Williams, Paul A. Scirica, Ernest Aranyi, Stanislaw Kostrzewski
  • Patent number: 10342629
    Abstract: A shipping member for selective attachment to a replaceable loading unit is provided. The shipping member includes an annular extension configured for selective engagement with a loading unit and configured to prevent movement of a knife assembly of the loading unit. The shipping member further includes first and second legs configured to prevent movement of a staple pusher assembly. The shipping member also includes a staple retaining surface configured to retain staples within a staple cartridge of the loading unit.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: July 9, 2019
    Assignee: Covidien LP
    Inventors: Christopher Penna, Patrick Mozdzierz, Paul A. Scirica, Justin Williams
  • Publication number: 20180318030
    Abstract: A shipping member for selective attachment to a replaceable loading unit is provided. The shipping member includes an annular extension configured for selective engagement with a loading unit and configured to prevent movement of a knife assembly of the loading unit. The shipping member further includes first and second legs configured to prevent movement of a staple pusher assembly. The shipping member also includes a staple retaining surface configured to retain staples within a staple cartridge of the loading unit.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 8, 2018
    Inventors: Christopher Penna, Patrick Mozdzierz, Paul A. Scirica, Justin Williams
  • Publication number: 20180310934
    Abstract: A loading unit including a shipping member is provided. The loading unit includes a housing, a staple pushing assembly, a knife assembly, and a staple cartridge. The shipping member is configured to be selectively secured to the housing of the loading unit and prevents advancement of the staple pushing assembly and the knife assembly. The shipping member also retains staples within the staple cartridge.
    Type: Application
    Filed: July 5, 2018
    Publication date: November 1, 2018
    Inventors: Justin Williams, Christopher Penna, Paul A. Scirica