Patents Examined by Scott A. Smith
  • Patent number: 11123066
    Abstract: A surgical fastener applying apparatus includes an elongate body portion having proximal and distal ends, an end effector including a first movably coupled to a second jaw that is positioned at the distal end of the elongate body portion, and an introducer member. The introducer member has proximal and distal portions, and is configured and dimensioned for releasable connection with the end effector. The introducer member is at least partially formed from a flexible material, and is configured and dimensioned to separate target tissue from collateral tissue prior to positioning of the target tissue between the first and second jaws of the end effector.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: September 21, 2021
    Assignee: Covidien LP
    Inventors: John W. Beardsley, Stanislaw Kostrzewski, Frank C. Maffei, Lee Ann Olson, Sachin Shah, William R. Mayfield
  • Patent number: 11123075
    Abstract: An apparatus includes a body, a shaft, and a stapling head assembly. The body includes a chassis, a bracket, a coupling, and a conical coil. The bracket is configured to move relative to the chassis between first and second positions when selectively activated by a user. The bracket includes an upright member. The conical coil spring is disposed between the bracket and the coupling. The conical coil spring includes a proximal end, a distal end, a conical helical body disposed between the proximal and distal ends, and at least one dead coil disposed at the distal end of the conical coil spring that is configured to prevent the distal end of the conical coil spring from being retained between the bracket and the chassis. The shaft extends distally from the body. The stapling head assembly is positioned at a distal end of the shaft.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 21, 2021
    Assignee: Cilag GmbH International
    Inventors: Austin E. Wise, Scott A. Jenkins, Daniel Pucke, Douglas B. Hoffman, Thomas E. Adams, John S. Kimsey, Vijay K. Sakhare, Prachi Rojatkar
  • Patent number: 11123073
    Abstract: A surgical instrument (10) includes a handle assembly (20), an elongate body portion (50) extending from the handle assembly (20) and defining a longitudinal axis, and a rotation assembly (100) rotatably securing the elongate body portion (50) to the handle assembly (20). The rotation assembly (100) includes a sleeve member (110) and a rotation knob (120) supported about the sleeve member (110). The rotation knob (120) is movable relative to the sleeve member (110) and the handle assembly (20) along the longitudinal axis.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: September 21, 2021
    Assignee: Covidien LP
    Inventors: Jiangfeng Zhang, Nishant Mehta, Zhinan Guo
  • Patent number: 11116508
    Abstract: An apparatus includes a body, a motor, a shaft, a stapling assembly, and an electrical potential shifting device. The body includes a firing switch configured to generate a motor drive signal including at least one of a motor activation signal portion or a motor deactivation signal portion. The motor includes a first power terminal and a second power terminal which define an electrical potential energy differential therebetween. The motor is configured to selectively activate and deactivate in response to the electrical potential energy differential. The first power terminal is coupled to a power supply and the second power terminal is coupled to the electrical potential shifting device. The electrical potential shifting device increases the electrical potential energy differential of the motor in response to detecting the motor activation signal portion and decreases the electrical potential energy of the motor in response to detecting the motor deactivation signal portion.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: September 14, 2021
    Assignee: Cilag GmbH International
    Inventors: Shane R. Adams, Nicholas J. Ross, Austin E. Wise
  • Patent number: 11116501
    Abstract: The present disclosure includes apparatuses for a surgical handle assembly. An example apparatus includes a reloadable cartridge assembly and a surgical handle assembly including an articulation assembly configured to maintain the reloadable cartridge assembly in a first operation position, the articulation assembly comprising a knob in a first position, a lock core coupled to the knob, a housing, a first roller and a second roller, and a first spring, wherein the first roller is positioned on a first end of the first spring and the second roller is positioned on a second end of the first spring, and wherein the first spring is configured to bias the first roller and the second roller between the lock core and the housing to maintain the knob in the first position.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: September 14, 2021
    Assignee: Lexington Medical, Inc.
    Inventor: Andrew Marecki
  • Patent number: 11111648
    Abstract: The present invention provides a boom system 1 for breaking and manoeuvring oversize material. The boom system 1 is mounted or attached to a vehicle. The boom system 1 comprises a base 2, a column 5 protruding upwardly from the base 2 and a boom arm 3 moveably connectable to the upright column 5 at connection point 16. A moving arrangement 4 is provided to move all or part of the upright column 5 towards and away from the base 2 so that the connection 16 between the boom arm 3 and the upright column is moveable towards and away from the base 2. A mobile crusher comprising a boom system 1 for breaking and manoeuvring oversize material is also provided.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: September 7, 2021
    Assignee: McQuaid Engineering Ltd
    Inventor: Paul McQuaid
  • Patent number: 11109862
    Abstract: A surgical stapling device includes a housing assembly that is coupled to a tool assembly by a flexible elongate body that having an outer tube, a middle tube, and an inner cable. Each of the outer tube and the inner cable has a proximal end portion fixedly connected to the housing assembly and a distal end portion that is fixedly connected to the tool assembly. The middle tube is positioned within the outer tube about the inner cable and is movable from a retracted position to an advanced position to operate the tool assembly.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: September 7, 2021
    Assignee: Covidien LP
    Inventor: Justin Williams
  • Patent number: 11103247
    Abstract: The present disclosure includes apparatuses for a surgical handle assembly. An example apparatus includes a movable handle member and a switch configured to provide two or more modes of operation for the movable handle member and a driving pawl pivotally connected to a swing wheel configured to advance an actuation shaft linearly in a distal direction in response to actuation of the movable handle member.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: August 31, 2021
    Assignee: Lexington Medical, Inc.
    Inventors: Leon Amariglio, Gonen Somekh, Shani Mann
  • Patent number: 11096687
    Abstract: A surgical stapler system may include a surgical instrument comprising an end effector configured to receive a removable staple cartridge, and an actuation mechanism operably coupled to actuate the end effector to perform a stapling procedure. The surgical stapler system also may include a drive system operably coupled to transmit an actuation force to the actuation mechanism and a controller operably coupled to the drive system. The controller may be configured to measure an actuation force transmitted by the drive system to the actuation mechanism, and control continued transmission of the actuation force based on a comparison of the measured actuation force to a range defined from a minimum threshold actuation force to a maximum threshold actuation force.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: August 24, 2021
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Patrick Flanagan, David W. Weir
  • Patent number: 11090044
    Abstract: A surgical instrument including a housing, an endoscopic portion, a shaft portion and an end effector is disclosed. The endoscopic portion extends distally from the housing and defines a longitudinal axis. The shaft portion is selectively connectable to a distal end of the endoscopic portion. The end effector is selectively connectable to a distal end of the shaft portion.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: August 17, 2021
    Assignee: Covidien LP
    Inventors: Michael Zemlok, David Racenet
  • Patent number: 11090047
    Abstract: A surgical instrument system comprising an adaptive control system is disclosed.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: August 17, 2021
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Gregory J. Bakos, Jason L. Harris
  • Patent number: 11076852
    Abstract: A surgical stapling device includes reload assembly that is supported on a distal portion of an elongate shaft of the surgical stapling device. The reload includes a housing, a pusher assembly movably supported within the housing, a knife carrier movably supported within the pusher assembly, and an annular knife supported on the knife carrier. The elongate body includes a pusher drive member and a knife carrier pusher. The knife carrier includes first engagement structure that is configured to releasably engage second engagement structure formed on the knife carrier pusher to releasably couple the knife carrier pusher to the knife carrier. The knife carrier supports at least one detent that is movable into contact with a distal portion of the pusher drive member as the knife carrier is retracted to urge the first engagement structure out of engagement with the second engagement structure to uncouple the knife carrier from the knife carrier pusher.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: August 3, 2021
    Assignee: Covidien LP
    Inventors: Justin Williams, Joseph Guerrera, David Valentine
  • Patent number: 11076850
    Abstract: An adapter assembly of a surgical instrument includes a cam member defining a proximal cam slot and a distal cam slot, a first articulation shaft, and a second articulation shaft. The first articulation shaft has a proximal end portion received in the proximal cam slot, and a distal end portion configured to be coupled to a surgical loading unit. The second articulation shaft has a proximal end portion received in the distal cam slot, and a distal end portion configured to be coupled to the surgical loading unit. The first and second articulation shafts are configured to move in opposing longitudinal directions in response to a rotation of the cam member to articulate the surgical loading unit.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: August 3, 2021
    Assignee: Covidien LP
    Inventors: Kenneth Whitfield, Thomas Casasanta, John Beardsley
  • Patent number: 11076929
    Abstract: An implantable adjunct for use with a surgical stapling instrument is provided. The implantable adjunct comprises means for allowing a clinician to determine the degree of skew, if any, that the adjunct may experience when implanted into a subject with a surgical stapling instrument. The implantable adjunct comprises one or more reference systems configured to be compared to the staples, the edges of the adjunct, and/or any other adjunct elements by a clinician once the adjunct has been implanted into the subject. The one or more reference systems comprise references that define one or more zones of the adjunct. A clinician can visually determine what zone, or zones, of the adjunct the staples have satisfactorily, and/or unsatisfactorily, purchased the adjunct.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: August 3, 2021
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jennifer M. Nagy
  • Patent number: 11071561
    Abstract: The present disclosure relates to hand held electromechanical powered surgical handle assemblies for use with surgical end effectors capable of clamping, cutting and/or stapling tissue and methods of use thereof. The surgical device includes a handle assembly and a drive unit assembly removably and selectively connectable to a selected first connecting feature and second connecting feature of the handle assembly. The drive unit assembly includes a motor and a drive shaft driven by the motor.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: July 27, 2021
    Assignee: COVIDIEN LP
    Inventors: Peter T. Collings, Xingrui Chen, Luis Dussan, Kelly Valentine
  • Patent number: 11071544
    Abstract: A medical instrument having a tool assembly including a pair of opposing tissue engaging surfaces for clamping tissue therebetween. The medical instrument includes a housing having a fixed handle and a movable handle mounted to the housing and selectively movable relative to the fixed handle from a first position in spaced relation relative to the fixed handle to a second position closer to the fixed handle to actuate the clamping of tissue. The medical instrument includes a selectively activatable drive assembly including a power source and a motor which is operatively coupled to the movable handle, wherein upon actuation the motor actuates the pair of opposing tissue engaging surfaces. The drive assembly includes a controller configured to variably control the rate at which the motor actuates the pair of opposing tissue engaging surfaces in response to the force exerted on the movable handle.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: July 27, 2021
    Assignee: Covidien LP
    Inventor: Stanislaw Marczyk
  • Patent number: 11058421
    Abstract: A surgical instrument comprising a surgical end effector, a controller, a first actuator, a second actuator, and a display is disclosed. The controller comprises a first operating mode and a second operating mode. The first actuator interfaces with the surgical end effector and the controller. The first actuator is configured to apply a first control motion to the surgical end effector during the first operating mode. The second actuator interfaces with the surgical end effector and the controller. The second actuator is configured to apply a second control motion to the surgical end effector during the second operating mode. The controller prevents activation of the second operating mode until the first operating mode is completed. The display interfaces with the controller to display a position of the second actuator during the second operating mode.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: July 13, 2021
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jason L. Harris, Adam D. Hensel
  • Patent number: 11058422
    Abstract: A surgical instrument has a staple cartridge housing a plurality of staples and an anvil configured to capture tissue therebetween. The surgical instrument also has a firing assembly configured to deploy the plurality of staples into the captured tissue during a firing sequence, and a handle that includes an electric motor operably coupled to the firing assembly, wherein the electric motor is configured to motivate the firing assembly to deploy the plurality of staples into the captured tissue during the firing sequence, and a power pack. The power pack includes rechargeable battery cells configured to power the electric motor, at least one battery-cell health indicator, and an electronic control circuit configured to assess whether a subset of rechargeable battery cells is damaged during the firing sequence based on at least one measurement performed by the at least one battery-cell health indicator.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: July 13, 2021
    Assignee: Cilag GmbH International
    Inventors: Jason L. Harris, David C. Yates, Frederick E. Shelton, IV
  • Patent number: 11051817
    Abstract: A method for forming a staple against an anvil of a surgical stapling instrument is disclosed. The staple comprises a base defining a drive plane, a first leg, and a second leg. The first leg and the second leg are in a forming plane. The method comprises deploying the first leg from a staple cavity defined in a staple cartridge positioned in the surgical stapling instrument into a first forming pocket of the anvil, supporting the first leg by a first cavity extension, forming the first leg in the first forming pocket along a first path which is outside of the drive plane, deploying the second leg from the staple cavity into a second forming pocket of the anvil, supporting the second leg by a second cavity extension, and forming the second leg in the second forming pocket along a second path which is outside of the drive plane.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: July 6, 2021
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jeffrey S. Swayze, Chester O. Baxter, III
  • Patent number: 11051810
    Abstract: Various examples are directed to systems and methods for operating and controlling a modular surgical instrument comprising an operating mode. A controller may receive electrical signal associated with an activation of at least one user-actuated input device electrically coupled to the controller and override the operating mode of the surgical instrument upon receiving the electrical signal.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: July 6, 2021
    Assignee: Cilag GmbH International
    Inventors: Jason L. Harris, Frederick E. Shelton, IV