Patents by Inventor Eric R. Larson

Eric R. Larson 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: 10729458
    Abstract: An ultrasonic surgical instrument is provided. The ultrasonic surgical instrument includes a housing having an elongated shaft extending therefrom. The shaft has a jaw member disposed at a distal end thereof. The jaw member is movable between an open configuration and a clamping configuration and includes a tissue contacting surface thereon. A cutting blade extends from a distal end of the shaft and operably couples to the housing and adjacent the jaw member to treat tissue. At least one sensor is configured to sense at least one operational parameter of the ultrasonic surgical instrument. At least one controller in operable communication with the at least one sensor is configured to terminate delivery of ultrasonic energy to the cutting blade when the at least one sensor senses the at least one operational parameter.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: August 4, 2020
    Assignee: COVIDIEN LP
    Inventors: Robert B. Stoddard, James S. Cunningham, William J. Dickhans, Russell D. Hempstead, Eric R. Larson, Duane E. Kerr, William H. Nau, Anthony B. Ross, John J. Kappus
  • Patent number: 10675092
    Abstract: A microwave ablation device including a cable assembly configured to connect a microwave ablation device to an energy source and a feedline in electrical communication with the cable assembly. The microwave ablation device further includes a balun on an outer conductor of the feedline, and a temperature sensor on the balun sensing the temperature of the balun.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 9, 2020
    Assignee: COVIDIEN LP
    Inventors: Joseph D. Brannan, Casey M. Ladtkow, Darion R. Peterson, Eric W. Larson, William J. Dickhans, Richard A. Willyard, Jason A. Case
  • Patent number: 10639053
    Abstract: An endoscopic instrument is provided and includes a housing including an elongated shaft assembly extending distally therefrom. The elongated shaft assembly includes inner and outer shaft members. The inner and outer shaft members are removably coupled to the housing and the outer shaft member is movable with respect to the inner shaft member. An end effector is operably supported at the distal end of the outer shaft member and includes a pair of jaw members configured for treating tissue. A bushing operably couples to the inner and outer shaft members of the shaft assembly and selectively and releasably couples to the housing. The bushing includes one or more mechanical interfaces configured to engage one or more slots defined through the inner shaft member and one or more slots defined through the outer shaft member to release the inner and outer shaft members from the housing.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: May 5, 2020
    Assignee: COVIDIEN LP
    Inventors: Robert B. Stoddard, James S. Cunningham, William J. Dickhans, Russell D. Hempstead, Eric R. Larson, Duane E. Kerr, William H. Nau, Jr., Anthony B. Ross, John J. Kappus
  • Patent number: 10639094
    Abstract: A surgical instrument includes an end effector assembly having jaw members movable between spaced-apart, first approximated, and second approximated positions. A knife is selectively movable relative to the end effector assembly between a retracted position, a first extended position, and a second extended position. A trigger is selectively actuatable between a un-actuated position, a first actuated position, and a second actuated position for moving the knife between its respective positions. A control member prevents movement of the trigger when the jaw members are disposed in the spaced-apart position, permits movement of the trigger to the first actuated position but prevents movement beyond the first actuated position when the jaw members are disposed in the first approximated position, and permits movement of the trigger to the second actuated position but prevents movement beyond the second actuated position when the jaw members are disposed in the second approximated position.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: May 5, 2020
    Assignee: Covidien LP
    Inventors: Eric R. Larson, Russell D. Hempstead, John J. Kappus
  • Patent number: 10631887
    Abstract: A surgical instrument includes a shaft defining an axis, an end effector coupled to a distal portion thereof, a fixed handle coupled to a proximal portion thereof, a drive bar, a movable handle, and a linkage. The drive bar is disposed within the shaft and operably coupled to the end effector. The movable handle is movable relative to the fixed handle between open and closed positions and is coupled to the drive bar via a first pin on the axis. The linkage includes a first end portion coupled to the movable handle via a second pin and a second end portion coupled to the shaft via a third pin on the axis. In the closed position of the movable handle, the second pin is disposed in a near-over-center position relative to the axis to reduce a force necessary to maintain the movable handle in the closed position.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: April 28, 2020
    Assignee: Covidien LP
    Inventors: Scott E. M. Frushour, Eric R. Larson
  • Publication number: 20200094081
    Abstract: An ultrasonic surgical instrument including a blade that treats tissue and a fluid control system to cool the blade by pumping cooling fluid through the blade. The blade defines a blade lumen in fluid contact with an inflow and return conduit of the fluid control system. The inflow conduit defines an open distal end positioned within the blade lumen adjacent the distal end of the blade lumen and the return conduit defines an open distal end positioned within the blade lumen adjacent the proximal end of the blade lumen. The fluid control system may further include a fluid reservoir holding the cooling fluid and an inflow pump. The inflow pump is configured to deliver the fluid from the fluid reservoir, through the inflow conduit and the blade lumen, and into return conduit.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 26, 2020
    Inventors: Robert B. Stoddard, Eric R. Larson
  • Publication number: 20200039441
    Abstract: An interior rearview mirror assembly for a vehicle includes a mirror head accommodating a reflective element. A display device is accommodated in the mirror head and behind the reflective element. The reflective element is tiltable between a mirror mode orientation, where the vehicle driver views rearward of the vehicle via the reflective element, and a display mode orientation, where the display device is actuated and the vehicle driver views images displayed by the display device through the transflective mirror reflector of the reflective element. An actuator has an actuator body that is pivotally mounted at the reflective element and that has a pivot element of a pivot joint that pivotally mounts the mirror head at an interior portion of the vehicle. The actuator pivots the reflective element relative to the actuator body to tilt the reflective element between the mirror mode orientation and the display mode orientation.
    Type: Application
    Filed: October 14, 2019
    Publication date: February 6, 2020
    Inventors: Anthony J. LaCross, Darryl P. De Wind, Mark L. Larson, Rodney K. Blank, Christopher R. Koetje, Eric Peterson
  • Publication number: 20200031286
    Abstract: A vehicular interior rearview mirror assembly includes a mirror head having a mirror reflective element with a transflective mirror reflector. A video display device is disposed rearward of the mirror reflective element and has a display screen that occupies at least 75 percent of the reflective region of the mirror reflective element. The video display device is operable to display video images captured by a rearward viewing camera of the vehicle. When the video display device is operated to display video images, light emitted by the video display device passes through the transflective mirror reflector of the mirror reflective element for viewing of displayed video images by a driver of the vehicle viewing the mirror reflective element. Light emitted by the video display device may exit the mirror reflective element as circularly polarized light.
    Type: Application
    Filed: September 23, 2019
    Publication date: January 30, 2020
    Inventors: Mark L. Larson, Christopher R. Koetje, Anthony J. LaCross, Eric Peterson
  • Publication number: 20190388141
    Abstract: A surgical device includes a handle assembly, an elongated portion, an end effector, a visualization device, and a constant horizon mechanism. The elongated portion extends distally from the handle assembly and defines a longitudinal axis. The end effector is rotatable about the longitudinal axis relative to the handle assembly. The visualization device defines a visualization axis. A first portion of the visualization device extends through the elongated portion, and a second portion of the visualization device is disposed at least partially within the handle assembly. The visualization device is rotatable about the longitudinal axis relative to the handle assembly. The constant horizon mechanism is disposed in operative engagement with the visualization device and is configured to prevent the visualization device from rotating about the visualization axis when the visualization device rotates about the longitudinal axis.
    Type: Application
    Filed: May 23, 2019
    Publication date: December 26, 2019
    Inventors: ASHISH SHARMA, CLAIRE E. BENJAMIN, CHIP G.W. BOLLENDONK, JOHN A. HAMMERLAND, III, ERIC R. LARSON, WILLIAM H. NAU, JR., ANTHONY B. ROSS, KATHRYN G. THOMPSON, NICK C. ORTIZ, SCOTT C. OUBRE
  • Patent number: 10499988
    Abstract: A method of manufacturing a microwave ablation device, the method including applying a balun short circumferentially about an outer conductor of a coaxial feedline and applying a dielectric material circumferentially about the outer conductor of the coaxial feedline and in contact with the balun short to form a balun. The method further including extending a temperature sensor along the coaxial feedline such that the sensor contacts the balun short, securing the temperature sensor to the coaxial feedline with a first heat shrink material, and securing the dielectric material, balun short, and temperature sensor in contact with each other and to the coaxial feedline using a second heat shrink material.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: December 10, 2019
    Assignee: COVIDIEN LP
    Inventors: Joseph D. Brannan, Casey M. Ladtkow, Darion R. Peterson, Eric W. Larson, William J. Dickhans, Richard A. Willyard, Jason A. Case
  • Patent number: 10485996
    Abstract: An ultrasonic surgical instrument including a blade that treats tissue and a fluid control system to cool the blade by pumping cooling fluid through the blade. The blade defines a blade lumen in fluid contact with an inflow and return conduit of the fluid control system. The inflow conduit defines an open distal end positioned within the blade lumen adjacent the distal end of the blade lumen and the return conduit defines an open distal end positioned within the blade lumen adjacent the proximal end of the blade lumen. The fluid control system may further include a fluid reservoir holding the cooling fluid and an inflow pump. The inflow pump is configured to deliver the fluid from the fluid reservoir, through the inflow conduit and the blade lumen, and into return conduit.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: November 26, 2019
    Assignee: Covidien LP
    Inventors: Robert B. Stoddard, Eric R. Larson
  • Publication number: 20190343549
    Abstract: An ultrasonic surgical instrument is provided, including a handpiece, a lever operably coupled to the handpiece and movable between first, second, and third positions, a shaft assembly extending distally from the handpiece, and an ultrasonic waveguide extending through the shaft assembly and defining a fixed jaw member at a distal end portion thereof. An outlet at the distal end of the fixed jaw member provides irrigation of fluid. The waveguide functions as an aspirator well as a transector/dissector of tissue. A movable jaw member is disposed towards a distal end portion of the shaft assembly and is operably coupled to the lever such that movement of the lever between the first, second, and third positions moves the movable jaw member relative to the fixed jaw member between a retracted position, an extended open position, and an extended closed position.
    Type: Application
    Filed: July 23, 2019
    Publication date: November 14, 2019
    Inventors: SCOTT D. UHLRICH, ANTHONY B. ROSS, ROBERT B. STODDARD, ERIC R. LARSON
  • Patent number: 10456156
    Abstract: A surgical system includes an ultrasonic surgical instrument and a cooling module. The instrument includes a waveguide defining a blade and having a lumen, an inflow conduit disposed in communication with the lumen and configured to supply fluid to the lumen, and a return conduit disposed in communication with the lumen and configured to receive fluid from the lumen. The cooling module includes a pump assembly operably coupled to the inflow and return conduits and configured to pump fluid through the inflow conduit, into the lumen, and back through the return conduit for cooling the blade. The cooling module also includes at least one sensor configured to sense a property of the fluid pumped into the inflow conduit and/or a property of the fluid returned from the return conduit, and a controller configured to control the pump assembly according to the sensed property(s).
    Type: Grant
    Filed: March 18, 2017
    Date of Patent: October 29, 2019
    Assignee: COVIDIEN LP
    Inventors: Robert B. Stoddard, Eric R. Larson, Scott E. M. Frushour, David N. Heard
  • Publication number: 20190314053
    Abstract: An ultrasonic surgical instrument includes a waveguide defining a blade at a distal end thereof and a lumen extending through a portion of the blade. The blade is configured to receive ultrasonic energy for treating tissue. The instrument further includes first and second conduits each defining a proximal end and a distal end. The second conduit is coaxially disposed about the first conduit. The distal ends of the first and second conduits extend into the lumen. The distal end of the first conduit extends further distally into the lumen than the distal end of the second conduit.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 17, 2019
    Inventors: ROBERT B. STODDARD, ERIC R. LARSON, SCOTT E.M. FRUSHOUR, DAVID N. HEARD
  • Patent number: 10442360
    Abstract: An interior rearview mirror assembly for a vehicle includes a mirror head having a reflective element. A display device is disposed in the mirror head and behind the reflective element. The display device, when actuated, is viewable through the reflective element. The mirror head is adjustable between a mirror mode orientation, where the driver of the vehicle views rearward of the vehicle via the reflective element, and a display mode orientation, where the driver of the vehicle views images displayed by the display device through the reflective element. When in the display mode orientation, the reflective element is angled upward or downward relative to the orientation of the reflective element when in the mirror mode orientation. An actuator is pivotally mounted at the mirror head and includes a pivot element that adjustably mounts the mirror head at a mirror mount that attaches at the interior surface of the vehicle.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: October 15, 2019
    Assignee: MAGNA MIRRORS OF AMERICA, INC.
    Inventors: Anthony J. LaCross, Darryl P. De Wind, Mark L. Larson, Rodney K. Blank, Christopher R. Koetje, Eric Peterson
  • Patent number: 10421404
    Abstract: An interior rearview mirror assembly for a vehicle includes a mirror head having a mirror reflective element with a transflective mirror reflector. A video display device is disposed rearward of the mirror reflective element, and a polymer reflector layer is disposed in front of the video display device. The video display device is operable to display video images captured by a rearward viewing camera of the vehicle. When the video display device is operated to display video images, light emitted by the video display device passes through the polymer reflector layer and the mirror reflective element for viewing of displayed video images by a driver of the vehicle viewing the mirror reflective element. Linearly polarized light emitted by the video display device is circularly polarized as it passes through the polymer reflector layer, such that the displayed video images comprise circularly polarized light.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 24, 2019
    Assignee: MAGNA MIRRORS OF AMERICA, INC.
    Inventors: Mark L. Larson, Christopher R. Koetje, Anthony J. LaCross, Eric Peterson
  • Patent number: 10368897
    Abstract: An ultrasonic surgical instrument is provided, including a handpiece, a lever operably coupled to the handpiece and movable between first, second, and third positions, a shaft assembly extending distally from the handpiece, and an ultrasonic waveguide extending through the shaft assembly and defining a fixed jaw member at a distal end portion thereof. An outlet at the distal end of the fixed jaw member provides irrigation of fluid. The waveguide functions as an aspirator well as a transector/dissector of tissue. A movable jaw member is disposed towards a distal end portion of the shaft assembly and is operably coupled to the lever such that movement of the lever between the first, second, and third positions moves the movable jaw member relative to the fixed jaw member between a retracted position, an extended open position, and an extended closed position.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: August 6, 2019
    Assignee: COVIDIEN LP
    Inventors: Scott D. Uhlrich, Anthony B. Ross, Robert B. Stoddard, Eric R. Larson
  • Patent number: 10363060
    Abstract: An ultrasonic surgical instrument includes a cooling system having a blade conduit disposed within the blade and a cooling fluid. The cooling fluid configured to absorb heat from the blade as the cooling fluid flows through the blade conduit. A surgical system having an ultrasonic surgical instrument and a cooling system is also disclosed. The cooling system can include a fluid control system that automatically pumps a cooling fluid through a blade conduit disposed within the blade of the surgical instrument based on feedback received from sensors.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: July 30, 2019
    Assignee: COVIDIEN LP
    Inventors: Robert B. Stoddard, Eric R. Larson
  • Patent number: 10363098
    Abstract: An ablation system including an image database storing a plurality of computed tomography (CT) images of a luminal network and a navigation system enabling, in combination with an endoscope and the CT images, navigation of a locatable guide and an extended working channel to a point of interest. The system further includes one or more fiducial markers, placed in proximity to the point of interest and a percutaneous microwave ablation device for applying energy to the point of interest.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: July 30, 2019
    Assignee: COVIDIEN LP
    Inventors: Joseph D. Brannan, Casey M. Ladtkow, Darion R. Peterson, Eric W. Larson, William J. Dickhans, Richard A. Willyard, Jason A. Case
  • Patent number: 10342566
    Abstract: An ultrasonic surgical instrument includes a waveguide defining a blade at a distal end thereof and a lumen extending through a portion of the blade. The blade is configured to receive ultrasonic energy for treating tissue. The instrument further includes first and second conduits each defining a proximal end and a distal end. The second conduit is coaxially disposed about the first conduit. The distal ends of the first and second conduits extend into the lumen. The distal end of the first conduit extends further distally into the lumen than the distal end of the second conduit.
    Type: Grant
    Filed: March 18, 2017
    Date of Patent: July 9, 2019
    Assignee: COVIDIEN LP
    Inventors: Robert B. Stoddard, Eric R. Larson, Scott E. M. Frushour, David N. Heard