Patents by Inventor JASON G. WEIHE
JASON G. WEIHE 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).
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Publication number: 20240130814Abstract: A robotic surgical instrument includes a housing, a shaft assembly extending distally from the housing, and an end effector assembly. The shaft assembly has a proximal segment coupled to the housing, a clevis supporting the end effector assembly, and at least one articulating link pivotably coupled to and interconnecting the proximal segment and the clevis such that the end effector assembly is configured to articulate relative to the proximal segment via the at least one articulating link in at least two directions.Type: ApplicationFiled: January 4, 2024Publication date: April 25, 2024Inventors: Dylan R. Kingsley, Jason G. Weihe, William R. Whitney, Russell W. Holbrook, Zachary S. Heiliger, Curtis M. Siebenaller, Crystal A. Adams, Kurt J. Anglese
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Patent number: 11925406Abstract: A surgical end effector assembly includes first and second jaw members configured to grasp tissue. Each of the first and second jaw members includes a proximal flange portion and a distal body portion. The proximal flange portions are pivotably coupled to one another to move the distal body portions between a spaced-apart position and an approximated position.Type: GrantFiled: September 14, 2020Date of Patent: March 12, 2024Assignee: COVIDIEN LPInventors: Dylan R. Kingsley, Crystal A. Adams, Jason G. Weihe, William Whitney, Russell W. Holbrook, Zachary S. Heiliger, Curtis M. Siebenaller
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Patent number: 11896333Abstract: A robotic surgical instrument includes a housing, a shaft assembly extending distally from the housing, and an end effector assembly. The shaft assembly has a proximal segment coupled to the housing, a clevis supporting the end effector assembly, and an articulating link pivotably coupled to and interconnecting the proximal segment and the clevis such that the end effector assembly is configured to articulate relative to the proximal segment via the articulating link in at least two directions.Type: GrantFiled: August 19, 2020Date of Patent: February 13, 2024Assignee: Covidien LPInventors: Dylan R. Kingsley, Jason G. Weihe, William R. Whitney, Russell W. Holbrook, Zachary S. Heiliger, Curtis M. Siebenaller, Crystal A. Adams, Kurt J. Anglese
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Publication number: 20230371999Abstract: A surgical instrument includes a housing, a shaft extending therefrom, an end effector assembly supported by the shaft, a movable handle, and a drive assembly. The drive assembly includes a translatable drive member for actuating the end effector assembly, and a torsion spring including first and second legs. The first leg is configured to translate through the housing in response to movement of the movable handle relative to the housing. The second leg is configured to translate through the housing in cooperation with the first leg to move the drive member longitudinally when a force acting on the drive member is less than a threshold force, and to remain in fixed position, thereby tensioning the torsion spring and retaining the drive member in fixed position when the force acting on the drive member is equal to or exceeds the threshold force.Type: ApplicationFiled: July 29, 2023Publication date: November 23, 2023Inventors: Craig V. Krastins, James D. Allen, IV, Jessica E.C. Olson, Jason G. Weihe, Purvish Soni
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Publication number: 20230270512Abstract: An articulating electrosurgical instrument includes a housing having an elongated shaft extending therefrom and a wrist assembly operably supported to a distal end of the elongated shaft and configured to support an end effector assembly at distal end thereof. The wrist assembly includes a proximal link operably coupled to the distal end of the elongated shaft, a distal link operably coupled to the end effector assembly, and a central link operably coupled between the proximal link and the distal link. A transition lumen is configured to be received within the distal link, central link and proximal link. The transition lumen includes a helical passageway defined therein configured to guide a blade rod therethrough for operable engagement with a blade disposed within the end effector assembly.Type: ApplicationFiled: January 25, 2023Publication date: August 31, 2023Inventors: Dylan R. Kingsley, Christopher T. Tschudy, Jason G. Weihe, Zachary S. Heiliger, William R. Whitney, Curtis M. Siebenaller, Haralambos P. Apostolopoulos, Russell W. Holbrook
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Patent number: 11737844Abstract: An end effector assembly of a robotic surgical instrument includes a clevis, first and second jaw members supported by the clevis, and a cam bar configured to move the first and second jaw members between an open state and a closed state.Type: GrantFiled: August 19, 2020Date of Patent: August 29, 2023Assignee: Covidien LPInventors: Dylan R. Kingsley, Crystal A. Adams, Jason G. Weihe, William R. Whitney, Russell W. Holbrook, Zachary S. Heiliger, Curtis M. Siebenaller
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Patent number: 11730532Abstract: A surgical instrument includes a housing, a shaft extending therefrom, an end effector assembly supported by the shaft, a movable handle, and a drive assembly. The drive assembly includes a translatable drive member for actuating the end effector assembly, and a torsion spring including first and second legs. The first leg is configured to translate through the housing in response to movement of the movable handle relative to the housing. The second leg is configured to translate through the housing in cooperation with the first leg to move the drive member longitudinally when a force acting on the drive member is less than a threshold force, and to remain in fixed position, thereby tensioning the torsion spring and retaining the drive member in fixed position when the force acting on the drive member is equal to or exceeds the threshold force.Type: GrantFiled: October 7, 2020Date of Patent: August 22, 2023Assignee: Covidien LPInventors: Craig V. Krastins, James D. Allen, IV, Jessica E. C. Olson, Jason G. Weihe, Purvish Soni
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Publication number: 20230210585Abstract: A colpotomy system includes an energy source and a uterine manipulator that is electrically coupled to the energy source. The uterine manipulator supports a colpotomy cup and extends to a conductive distal tip portion. The colpotomy cup includes a conductive surface. One or both of the conductive distal tip portion and the conductive surface of the colpotomy cup are configured to return monopolar energy to the energy source.Type: ApplicationFiled: January 6, 2022Publication date: July 6, 2023Inventors: Nikolai D. Begg, Jason G. Weihe, James D. Allen, IV, Ansel Dow, Thomas E. Drochner, Stuart R. Hart, Michael B. Lyons, Scott J. Prior, John R. Twomey
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Patent number: 11684407Abstract: A surgical instrument includes a housing, a shaft extending therefrom, an end effector assembly supported by the shaft, a movable handle, and a drive assembly. The drive assembly includes a translatable drive member for actuating the end effector assembly, and a torsion spring including first and second legs. The first leg is configured to translate through the housing in response to movement of the movable handle relative to the housing. The second leg is configured to translate through the housing in cooperation with the first leg to move the drive member longitudinally when a force acting on the drive member is less than a threshold force, and to remain in fixed position, thereby tensioning the torsion spring and retaining the drive member in fixed position when the force acting on the drive member is equal to or exceeds the threshold force.Type: GrantFiled: October 7, 2020Date of Patent: June 27, 2023Assignee: Covidien LPInventors: Craig V. Krastins, James D. Allen, IV, Jessica E.C. Olson, Jason G. Weihe, Purvish Soni
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Publication number: 20230181207Abstract: An end effector assembly of a surgical instrument includes a clevis defining a longitudinal axis and including first and second arms spaced-apart relative to one another and first and second jaw members supported by the clevis. At least one of the jaw members is movable relative to the other and the clevis between a spaced-apart position and an approximated position for grasping tissue between the jaw members. The clevis includes first and second locating features on outwardly-facings sides of the first and second spaced-apart arms, respectively. The first and second locating features are configured to facilitate engagement and alignment of the end effector assembly within a test fixture.Type: ApplicationFiled: December 5, 2022Publication date: June 15, 2023Inventors: Dylan R. Kingsley, Christopher T. Tschudy, Jason G. Weihe, Zachary S. Heiliger, William R. Whitney, Curtis M. Siebenaller, Haralambos P. Apostolopoulos, Russell W. Holbrook, Matthew D. Straka, Reid Thomson, Carolyn Girvin, Jared N. Farlow, Colin H. Murphy, Zachary T. Morgan, Gary J. Suszynski, Aaron J. Clippinger
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Publication number: 20230172654Abstract: A surgical end effector assembly includes a clevis, first and second jaw members, and first and second lead wires. The clevis defines first and second arms spaced-apart relative to one another and extending from a proximal body and a finger extending from the proximal body at least partially between the arms. The finger defines a mouth at a free distal end thereof and a channel in communication with the mouth. The jaw members include proximal flange portions at least partially disposed between the arms, distal body portions extending distally from the clevis, and electrically conductive tissue contacting surfaces. At least one jaw member is movable to grasp tissue. The lead wires are connected to the tissue contacting surfaces and extend proximally from the distal body portions of the first and second jaw members through the mouth and into the channel of the finger of the clevis.Type: ApplicationFiled: December 1, 2022Publication date: June 8, 2023Inventors: Dylan R. Kingsley, Christopher T. Tschudy, Jason G. Weihe, Zachary S. Heiliger, William R. Whitney, Curtis M. Siebenaller, Haralambos P. Apostolopoulos, Russell W. Holbrook
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Publication number: 20230172653Abstract: A jaw member of a surgical instrument includes a structural frame, an insulative spacer supported on the structural frame, an electrically conductive tissue contacting plate supported on the insulative spacer, and a lead wire. The spacer defines a pocket at an upper portion thereof and includes a channel extending from the pocket, through the spacer, to a bottom portion of the spacer. The channel defines a substantially U-shaped configuration having first and second radiused corners at the bottom portion of the spacer. The lead wire is attached to an underside of the plate at an attachment point within the pocket and extends distally from the attachment point into the channel, through the channel, over the first and second radiused corners, and proximally from the jaw member. The lead wire is adapted to connect to a source of energy to energize the plate for treating tissue.Type: ApplicationFiled: December 1, 2022Publication date: June 8, 2023Inventors: Dylan R. Kingsley, Christopher T. Tschudy, Jason G. Weihe, Zachary S. Heiliger, William R. Whitney, Curtis M. Siebenaller, Haralambos P. Apostolopoulos
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Patent number: 11660109Abstract: A surgical end effector assembly includes first and second jaw members configured to grasp tissue. At least one of the jaw members defines a channel. A cutting element reciprocates through the channel to cut grasped tissue. The cutting element may include a first bevel defined along a first portion of a distal edge on a first side surface of the cutting element and a second bevel defined along a second portion of the distal edge on a second side surface of the cutting element. The first and second portions of the distal edge are sharpened to facilitate cutting tissue upon distal advancement of the cutting element. Alternatively or additionally, the cutting element may include a proximal body and a distal fin defining a height greater than a height of the proximal body and including a thinned portion defining a depression within a first side surface thereof.Type: GrantFiled: September 8, 2020Date of Patent: May 30, 2023Assignee: Covidien LPInventors: Dylan R. Kingsley, Jason G. Weihe, William Whitney, Zachary S. Heiliger, Curtis M. Siebenaller, Crystal A. Adams, David D. Brause
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Publication number: 20230131999Abstract: A surgical system includes at least one input coupler, an end effector assembly having a pair of jaw members configured to grasp tissue, and an actuation assembly. The pair of jaw members are caused to transition from an open position to a closed position to apply a jaw force to tissue. The surgical system also includes an articulating section configured to transition the end effector assembly between an un-articulated position and at least one articulated position and a storage device storing setting information and adjustment information. The setting information enables determination of a first input to cause the pair of jaw members to apply the jaw force to the tissue. The adjustment information enables adjustment of the setting information based on the position of the end effector assembly, for determination of a second input to cause the pair of jaw members to apply the jaw force to the tissue.Type: ApplicationFiled: January 19, 2022Publication date: April 27, 2023Inventors: Russell W. Holbrook, Brian Lillis, Matthew D. Straka, Carolyn R. Girvin, Curtis M. Siebenaller, Jason G. Weihe, Zachary S. Heiliger, Crystal A. Adams
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Publication number: 20230094871Abstract: A vessel sealing instrument includes a housing having a shaft extending from a distal end thereof including an end effector assembly having opposing first and second jaw members operably coupled thereto. The jaw members movable between open and closed positions for clamping tissue with a closure pressure. The jaw members are adapted to connect to a generator for providing energy thereto. An anti-backdrive mechanism is operably associated with the end effector assembly, the anti-backdrive mechanism including first and second mesh-like electrodes disposed in opposing relation on respective first and second jaw members and including openings defined therein.Type: ApplicationFiled: September 27, 2022Publication date: March 30, 2023Inventors: Grant T. Sims, William R. Whitney, Jason G. Weihe, James D. Allen, IV, Jason T. Sanders, Alyssa M. Sawyer, Curtis M. Siebenaller
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Publication number: 20230047599Abstract: A robotic system includes an electrosurgical instrument having an instrument housing having a shaft with an end effector assembly and first and second jaw members attached thereto movable to grasp tissue. An input is operably coupled to the instrument housing and is configured to move the jaw members. A handle is remotely disposed relative to the instrument housing and is configured to communicate with the input for controlling the jaw members, the handle having a lever configured to cooperate with the input to control the jaw members relative to movement of the lever. The lever moves between a homing position and a first position correlating to the jaw members closing with a pressure therebetween in the range of about 0.1 kg/cm2 to about 2 kg/cm2. The lever further movable to a seal position correlating to the jaw members closing about tissue with a pressure between about 3 kg/cm2 to about 16 kg/cm2 for sealing.Type: ApplicationFiled: August 16, 2021Publication date: February 16, 2023Inventors: Christopher T. Tschudy, Dylan R. Kingsley, Sara A. Malang, James H. Bodmer, Tony G. Moua, Andrew W. Zeccola, Curtis M. Siebenaller, Haralambos P. Apostolopoulos, Russell W. Holbrook, William R. Whitney, Jason G. Weihe, Zachary S. Heiliger
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Publication number: 20230046473Abstract: A robotic system includes an electrosurgical instrument having an instrument housing with a shaft and first and second jaw members attached thereto movable to grasp tissue. An input is coupled to a jaw drive rod and is configured to move the jaw members. A strain gauge is coupled to the jaw drive rod and is configured to measure an amount of strain thereon and communicate the amount of strain to a robotic controller. A handle is remotely disposed relative to the instrument housing and is configured to communicate with the input for controlling the jaw members. The handle includes a housing having components therein and a lever operably associated therewith such that movement of the lever relative to the housing correlates to movement of the jaw members. The components are configured to operably regulate the resistance of the lever in response to the amount of strain from the strain gauge.Type: ApplicationFiled: August 16, 2021Publication date: February 16, 2023Inventors: Christopher T. Tschudy, Dylan R. Kingsley, Sara A. Malang, James H. Bodmer, Tony G. Moua, Andrew W. Zeccola, Curtis M. Siebenaller, Haralambos P. Apostolopoulos, Russell W. Holbrook, William R. Whitney, Jason G. Weihe, Zachary S. Heiliger
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Publication number: 20230047289Abstract: A robotic system includes an electrosurgical instrument having an instrument housing having a shaft with an end effector assembly and first and second jaw members attached thereto movable to grasp tissue. An input is configured to move the jaw members and is configured to operably couple to a torque sensor that measures the torque of the input during rotation thereof. A handle is remotely disposed relative to the instrument housing and is configured to communicate with the input for controlling the movement of the jaw members. A housing having a lever operably coupled thereto, houses components therein configured to operably connect to the input such that movement of the lever correlates to movement of the jaw members. The components are configured to regulate the resistance of the lever in response to the feedback from the torque sensor.Type: ApplicationFiled: August 16, 2021Publication date: February 16, 2023Inventors: Christopher T. Tschudy, Dylan R. Kingsley, Sara A. Malang, James H. Bodmer, Tony G. Moua, Andrew W. Zeccola, Curtis M. Siebenaller, Haralambos P. Apostolopoulos, Russell W. Holbrook, William R. Whitney, Jason G. Weihe, Zachary S. Heiliger
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Publication number: 20220409265Abstract: A vessel sealing instrument includes a housing having a shaft extending from a distal end thereof having an end effector assembly including a pair of opposing first and second jaw members operably coupled thereto. A drive assembly is disposed within the housing and is configured to move the jaw members upon actuation thereof between an open position and a closed position for clamping tissue with a closure pressure within the range of about 3 kg/cm2 to about 16 kg/cm2. An anti-backdrive assembly is operably disposed within the housing and includes a drive wedge. A solenoid controller is operably coupled to the drive wedge and is configured to selectively move the drive wedge into the drive assembly upon activation thereof to increase the closure pressure between the jaw members in response to tissue expansion during sealing.Type: ApplicationFiled: June 24, 2022Publication date: December 29, 2022Inventors: Grant T. Sims, William R. Whitney, Jason G. Weihe, James D. Allen, IV, Jason T. Sanders, Alyssa M. Sawyer, Curtis M. Siebenaller
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Publication number: 20220409264Abstract: A vessel sealing instrument includes a housing having a shaft extending from a distal end thereof including an end effector assembly having opposing first and second jaw members operably coupled thereto. One of the jaw members moveable between open and closed positions for clamping tissue with a closure pressure within the range of about 3 kg/cm2 to about 16 kg/cm2. The jaw members are adapted to connect to a generator for providing energy thereto in accordance with a sealing algorithm. An anti-backdrive mechanism is associated with the end effector assembly and includes: a drive shaft coupled to a controller and a screw on opposite ends, the screw configured to engage one of the jaw members upon extension thereof to provide additional closure pressure therebetween. The drive shaft is rotatable by the controller to extend the screw in response to tissue expansion during sealing based on the sealing algorithm.Type: ApplicationFiled: June 24, 2022Publication date: December 29, 2022Inventors: Grant T. Sims, William R. Whitney, Jason G. Weihe, James D. Allen, IV, Jason T. Sanders, Alyssa M. Sawyer, Curtis M. Siebenaller