Patents by Inventor Gregg Krehel

Gregg Krehel 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).

  • Publication number: 20230320730
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Application
    Filed: June 7, 2023
    Publication date: October 12, 2023
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 11701118
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: July 18, 2023
    Assignee: COVIDEN LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 11523826
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: December 13, 2022
    Assignee: COVIDIEN LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 11413041
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: August 16, 2022
    Assignee: COVIDIEN LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Publication number: 20220192666
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 23, 2022
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Publication number: 20220142644
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 12, 2022
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 11291443
    Abstract: A surgical apparatus has a clamp and a stapling mechanism. The clamp has a first jaw and a second jaw to clamp on a body tissue at a desired location for a stapling operation. The stapling mechanism is controlled by a trigger handle or a switch assembly. The surgical apparatus has a controller for providing a delay between clamping and actuating of the firing mechanism of the stapling mechanism. The delay provides for a desired amount of time for tissue compression producing a more uniform staple formation. The surgical apparatus also has an indicator. The indicator provides feedback about the status of the stapling mechanism and also displays a time of tissue compression by the clamp.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: April 5, 2022
    Assignee: Covidien LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros, Michael A. Soltz, Robert DeSantis, Henry E. Holsten, Russell Heinrich, Michael Ingmanson, Philip Irka, David M. McCuen, Gene A. Stellon
  • Publication number: 20210145439
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Application
    Filed: January 5, 2021
    Publication date: May 20, 2021
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 10881404
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: January 5, 2021
    Assignee: COVIDIEN LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Publication number: 20200352569
    Abstract: A surgical apparatus has a clamp and a stapling mechanism. The clamp has a first jaw and a second jaw to clamp on a body tissue at a desired location for a stapling operation. The stapling mechanism is controlled by a trigger handle or a switch assembly. The surgical apparatus has a controller for providing a delay between clamping and actuating of the firing mechanism of the stapling mechanism. The delay provides for a desired amount of time for tissue compression producing a more uniform staple formation. The surgical apparatus also has an indicator. The indicator provides feedback about the status of the stapling mechanism and also displays a time of tissue compression by the clamp.
    Type: Application
    Filed: June 3, 2020
    Publication date: November 12, 2020
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros, Michael A. Soltz, Robert DeSantis, Henry E. Holsten, Russell Heinrich, Michael Ingmanson, Philip Irka, David M. McCuen, Gene A. Stellon
  • Publication number: 20200289119
    Abstract: A surgical apparatus has a clamp and a stapling mechanism. The clamp has a first jaw and a second jaw to clamp on a body tissue at a desired location for a stapling operation. The stapling mechanism is controlled by a trigger handle or a switch assembly. The surgical apparatus has a controller for providing a delay between clamping and actuating of the firing mechanism of the stapling mechanism. The delay provides for a desired amount of time for tissue compression producing a more uniform staple formation. The surgical apparatus also has an indicator. The indicator provides feedback about the status of the stapling mechanism and also displays a time of tissue compression by the clamp.
    Type: Application
    Filed: June 3, 2020
    Publication date: September 17, 2020
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros, Michael A. Soltz, Robert J. DeSantis, Henry E. Holsten, Russell Heinrich, Michael Ingmanson, Philip Irka, David M. McCuen, Gene A. Stellon
  • Patent number: 10526824
    Abstract: An interconnected lock has adjustable offset spacing between latchbolt and deadbolt lock mechanisms, and a sliding pusher mechanism therebetween. The pusher mechanism is operable upon operation of an interior actuator to bear against the deadbolt lock mechanism and move the deadbolt along the second axis from the latched to the unlatched position at the same time that the operation of the interior actuator moves the latchbolt along the first axis from the latched to the unlatched position. The pusher mechanism includes an arm that bears against the deadbolt lock mechanism and may be retracted and extended between a first length and a second, longer length when changing offset spacing between the deadbolt and latchbolt. The arm is extendable from the first length to the second length without adding or removing any components thereof.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: January 7, 2020
    Assignee: SARGENT MANUFACTURING COMPANY
    Inventors: Pavel Farias, Gregg Krehel
  • Publication number: 20190261987
    Abstract: A surgical apparatus has a clamp and a stapling mechanism. The clamp has a first jaw and a second jaw to clamp on a body tissue at a desired location for a stapling operation. The stapling mechanism is controlled by a trigger handle or a switch assembly. The surgical apparatus has a controller for providing a delay between clamping and actuating of the firing mechanism of the stapling mechanism. The delay provides for a desired amount of time for tissue compression producing a more uniform staple formation. The surgical apparatus also has an indicator. The indicator provides feedback about the status of the stapling mechanism and also displays a time of tissue compression by the clamp.
    Type: Application
    Filed: May 14, 2019
    Publication date: August 29, 2019
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros, Michael A. Soltz, Robert DeSantis, Henry E. Holsten, Russell Heinrich, Michael Ingmanson, Philip Irka, David M. McCuen, Gene A. Stellon
  • Publication number: 20190142424
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Application
    Filed: January 14, 2019
    Publication date: May 16, 2019
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 10285694
    Abstract: A surgical apparatus has a clamp and a stapling mechanism. The clamp has a first jaw and a second jaw to clamp on a body tissue at a desired location for a stapling operation. The stapling mechanism is controlled by a trigger handle or a switch assembly. The surgical apparatus has a controller for providing a delay between clamping and actuating of the firing mechanism of the stapling mechanism. The delay provides for a desired amount of time for tissue compression producing a more uniform staple formation. The surgical apparatus also has an indicator. The indicator provides feedback about the status of the stapling mechanism and also displays a time of tissue compression by the clamp.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: May 14, 2019
    Assignee: Covidien LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros, Michael A. Soltz, Robert DeSantis, Henry E. Holsten, Russell Heinrich, Michael Ingmanson, Philip Irka, David M. McCuen, Gene A. Stellon
  • Patent number: 10188391
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: January 29, 2019
    Assignee: Covidien LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 10098638
    Abstract: A powered endoscopic surgical apparatus is provided and includes a handle including a housing, a power source supported in the housing; an endoscopic portion extending distally from the housing of the handle; an end effector assembly coupled to a distal end of the endoscopic portion, the end effector assembly including a pair of jaws configured to perform a surgical function; a driving member; a drive source including a motor powered by the power source and connected to the driving member; and a gear assembly engaged with the motor. The gear assembly including a gear rack provided on the driving member; and a main gear operatively connected with the gear rack, the motor spinning the main gear such that rotary motion of the main gear moves the driving member in an axial direction such that the driving member actuates the end effector to perform the surgical function.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: October 16, 2018
    Assignee: Covidien LP
    Inventors: Frank J. Viola, Gregg Krehel, Guido Pedros
  • Patent number: 9987005
    Abstract: A surgical apparatus has a clamp and a stapling mechanism. The clamp has a first jaw and a second jaw to clamp on a body tissue at a desired location for a stapling operation. The stapling mechanism is controlled by a trigger handle or a switch assembly. The surgical apparatus has a controller for providing a delay between clamping and actuating of the firing mechanism of the stapling mechanism. The delay provides for a desired amount of time for tissue compression producing a more uniform staple formation. The surgical apparatus also has an indicator. The indicator provides feedback about the status of the stapling mechanism and also displays a time of tissue compression by the clamp.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: June 5, 2018
    Assignee: Covidien LP
    Inventors: Frank J. Viola, Gregg Krehel, Michael Soltz, Robert J. Desantis, Henry E. Holsten, Russell Heinrich
  • Patent number: 9936951
    Abstract: A surgical device including an end effector that is configured and adapted to receive an interchangeable tip is disclosed. Also disclosed are several interchangeable tips that are configured and adapted for different surgical procedures. The interchangeable tips facilitate the performance of different surgical procedures while using the same device.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: April 10, 2018
    Assignee: Covidien LP
    Inventors: Elizabeth Hufnagel, Gregg Krehel, Jason Iceman, Erik Carlson, Ramiro Cabrera, Kenneth Whitfield
  • Patent number: 9931116
    Abstract: A tissue buttress is provided on at least a first and second jaw of a surgical stapling apparatus. The tissue buttress comprises an electrophilic component and a nucleophilic component. At least a portion of the tissue buttress may be disposed within either or both of the staple pockets and staple forming pockets, securing the tissue buttress to at least one of the staple jaws.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: April 3, 2018
    Assignee: COVIDIEN LP
    Inventors: Danyel Racenet, Steven L. Bennett, Erik Carlson, Kenneth H. Whitfield, Gregg Krehel