Patents by Inventor Thomas W. Lytle, IV
Thomas W. Lytle, IV 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: 20200178958Abstract: A surgical instrument for use by an operator in a surgical procedure includes an elongate shaft, an end effector extending from the elongate shaft, and a control system. The end effector is articulatable relative to the elongate shaft between a home state position and an articulated position. The control system includes a processor and a memory coupled to the processor to store program instructions. The processor can alert the operator when the end effector reaches the home state position from the articulated position.Type: ApplicationFiled: September 27, 2019Publication date: June 11, 2020Inventors: Mark D. Overmyer, Brett E. Swensgard, Shane R. Adams, Thomas W. Lytle, IV, Richard L. Leimbach, Frederick E. Shelton, IV, Kevin L. Houser
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Publication number: 20200093506Abstract: The present disclosure provides a surgical instrument including an end effector, a drive member movable to effectuate a motion in said end effector, a motor operable to move the drive member to effectuate the motion in the end effector and a bailout assembly operable to perform a mechanical bailout of the surgical instrument in response to a bailout error. The bailout assembly includes a bailout door, a bailout handle accessible through the bailout door. The bailout handle is operable to move the drive member to effectuate a bailout motion in the end effector. A controller includes a memory and a processor coupled to the memory. The processor is configured to detect the bailout error. The processor is programed to stop the motor in response to the detection of the bailout error.Type: ApplicationFiled: September 30, 2019Publication date: March 26, 2020Inventors: Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer, Brett E. Swensgard, Thomas W. Lytle, IV, Frederick E. Shelton, IV, Kevin L. Houser
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Patent number: 10588626Abstract: A surgical instrument including a shaft, an end effector extending distally from the shaft, a display, and a system or sensor configured to monitor a status of the surgical instrument. The display is configured to display information pertaining to the detected status of the surgical instrument. In one embodiment, the display displays a subsequent step of operating the surgical instrument. In another embodiment, the display displays a subsequent step of assembling the surgical instrument. The display is additionally configured to enter a low-power mode.Type: GrantFiled: March 15, 2017Date of Patent: March 17, 2020Assignee: Ethicon LLCInventors: Mark D. Overmyer, Brett E. Swensgard, Shane R. Adams, Thomas W. Lytle, IV, Richard L. Leimbach, Frederick E. Shelton, IV, Kevin L. Houser
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Publication number: 20190117217Abstract: A surgical instrument for use by an operator in a surgical procedure includes an elongate shaft, an end effector extending from the elongate shaft, and a control system. The end effector is articulatable relative to the elongate shaft between a home state position and an articulated position. The control system includes a processor and a memory coupled to the processor to store program instructions. The processor can alert the operator when the end effector reaches the home state position from the articulated position.Type: ApplicationFiled: October 18, 2018Publication date: April 25, 2019Inventors: Mark D. Overmyer, Brett E. Swensgard, Shane R. Adams, Thomas W. Lytle, IV, Richard L. Leimbach, Frederick E. Shelton, IV, Kevin L. Houser
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Publication number: 20190099183Abstract: A surgical instrument comprises an end effector, a shaft, and a housing extending proximally from the shaft. The surgical instrument includes an articulation assembly configured to articulate the end effector relative to the shaft, a firing assembly configured to fire a plurality of staples, for example, and a locking member movable between a locked configuration and an unlocked configuration. The housing is removably couplable to the shaft when the locking member is in the unlocked configuration and the housing includes a motor configured to drive at least one of the firing assembly and the articulation assembly. The housing also includes a controller in communication with the motor, wherein the controller is configured to activate the motor to reset at least one of the firing assembly and the articulation assembly to a home state when the locking member is moved between the locked configuration and the unlocked configuration.Type: ApplicationFiled: October 3, 2018Publication date: April 4, 2019Inventors: Richard L. Leimbach, Thomas W. Lytle, IV, Kevin D. Sackett, Mark D. Overmyer
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Patent number: 10238391Abstract: A surgical instrument comprising an interchangeable shaft assembly is disclosed. The interchangeable shaft assembly comprises a shaft portion, an end effector configured to receive a staple cartridge including a plurality of staples, a firing assembly movable from a firing home state to deploy the plurality of staples from the staple cartridge, and an articulation assembly movable from an articulation home state to articulate the end effector relative to the shaft portion. The surgical instrument further comprises a housing detachable from the shaft portion, a circuit configured to transmit a home state input signal in response to an action performed to decouple the housing from the shaft portion, and a controller configured to cause the firing assembly to return to the firing home state and the articulation assembly to return to the articulation home state in response to the home state input signal.Type: GrantFiled: March 17, 2016Date of Patent: March 26, 2019Assignee: Ethicon LLCInventors: Richard L. Leimbach, Thomas W. Lytle, IV, Kevin D. Sackett, Mark D. Overmyer
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Publication number: 20190033955Abstract: The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.Type: ApplicationFiled: June 25, 2018Publication date: January 31, 2019Inventors: Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer, Brett E. Swensgard, Thomas W. Lytle, IV, Frederick E. Shelton, IV, Kevin L. Houser
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Patent number: 10188385Abstract: A surgical instrument system comprising a handle and a shaft assembly is disclosed. The shaft assembly comprises an end effector, a release actuator, and a latch. The release actuator comprises a lock engaged with the handle when the release actuator is in a proximal position and disengaged from the handle when the release actuator is in a distal position. The latch is operably engaged with the release actuator and movable between a first position and a second position. The release actuator is configured to rotate the latch from the first position to the second position when the release actuator is moved toward the distal position. The latch comprises a catch configured to engage the handle when the latch is moved toward the second position. The catch is disengaged from the handle upon an additional manipulation of the release actuator. The additional manipulation is in a proximal direction.Type: GrantFiled: December 18, 2014Date of Patent: January 29, 2019Assignee: ETHICON LLCInventors: Wendy A. Kerr, Thomas W. Lytle, IV, Mark D. Overmyer, Brett E. Swensgard, Kevin D. Sackett, Richard L. Leimbach, Kevin L. Houser, Jerome R. Morgan, Frederick E. Shelton, IV
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Publication number: 20190008511Abstract: A surgical instrument can comprise a handle, a shaft extending from the handle, and an end effector rotatably coupled to the shaft by an articulation joint. The surgical instrument can further include a staple cartridge positioned within the end effector and a firing drive operably coupled with a trigger wherein the operation of the trigger can advance and/or retract a firing member of the firing drive relative to the end effector. The surgical instrument can further comprise an articulation drive which is selectively engageable with the firing drive. When the articulation drive is engaged with the firing drive, the operation of the firing drive can operate the articulation drive and articulate the end effector. When the articulation drive is not engaged with the firing drive, the firing drive can be operated independently of the articulation drive.Type: ApplicationFiled: August 30, 2018Publication date: January 10, 2019Inventors: Wendy A. Kerr, Thomas W. Lytle, IV, Mark D. Overmyer, Brett E. Swensgard, Richard L. Leimbach, Kevin D. Sackett
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Publication number: 20180333169Abstract: The present disclosure provides a surgical instrument including an end effector, a drive member movable to effectuate a motion in said end effector, a motor operable to move the drive member to effectuate the motion in the end effector and a bailout assembly operable to perform a mechanical bailout of the surgical instrument in response to a bailout error. The bailout assembly includes a bailout door, a bailout handle accessible through the bailout door. The bailout handle is operable to move the drive member to effectuate a bailout motion in the end effector. A controller includes a memory and a processor coupled to the memory. The processor is configured to detect the bailout error. The processor is programmed to stop the motor in response to the detection of the bailout error.Type: ApplicationFiled: July 20, 2018Publication date: November 22, 2018Inventors: Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer, Brett E. Swensgard, Thomas W. Lytle, IV, Frederick E. Shelton, IV, Kevin L. Houser
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Patent number: 10117653Abstract: A powered surgical instrument is disclosed comprising a motor, a shaft extending from the housing, an end effector extending from the shaft, a power source, a processor, a motor controller, and a control circuit. The control circuit comprises a first segment configured to supply the processor with a first voltage from the power source, and a second segment configured to supply the motor controller with a second voltage from the power source. The second voltage is different than the first voltage. The powered surgical instrument further comprises means for shifting power to the first segment when the second segment experiences a power drop due to high power demand from the motor.Type: GrantFiled: October 6, 2017Date of Patent: November 6, 2018Assignee: Ethicon LLCInventors: Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer, Brett E. Swensgard, Thomas W. Lytle, IV, Frederick E. Shelton, IV, Kevin L. Houser
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Patent number: 10064621Abstract: A surgical instrument for treating tissue comprising a shaft, an end effector rotatably coupled to the shaft, and a firing member configured to be moved relative to the end effector is disclosed. The surgical instrument further comprises an articulation member operably coupled with the end effector, wherein the articulation member is selectively engageable with the firing member such that the articulation member is operably engaged with the firing member in an engaged configuration and such that the articulation member is operably disengaged from the firing member in a disengaged configuration, and wherein the firing member is configured to move the articulation member relative to the end effector to articulate the end effector when the articulation member and the firing member are in the engaged configuration.Type: GrantFiled: June 30, 2015Date of Patent: September 4, 2018Assignee: Ethicon LLCInventors: Wendy A. Kerr, Thomas W. Lytle, IV, Mark D. Overmyer, Brett E. Swensgard, Richard L. Leimbach, Kevin D. Sackett
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Patent number: 10028761Abstract: The present disclosure provides a surgical instrument including an end effector, a drive member movable to effectuate a motion in said end effector, a motor operable to move the drive member to effectuate the motion in the end effector and a bailout assembly operable to perform a mechanical bailout of the surgical instrument in response to a bailout error. The bailout assembly includes a bailout door, a bailout handle accessible through the bailout door. The bailout handle is operable to move the drive member to effectuate a bailout motion in the end effector. A controller includes a memory and a processor coupled to the memory. The processor is configured to detect the bailout error. The processor is programmed to stop the motor in response to the detection of the bailout error.Type: GrantFiled: March 26, 2014Date of Patent: July 24, 2018Assignee: Ethicon LLCInventors: Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer, Brett E. Swensgard, Thomas W. Lytle, IV, Frederick E. Shelton, IV, Kevin L. Houser
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Patent number: 10004497Abstract: A surgical instrument for use by an operator in a surgical procedure includes an elongate shaft, an end effector extending from the elongate shaft, and a control system. The end effector is articulatable relative to the elongate shaft between a home state position and an articulated position. The control system includes a processor and a memory coupled to the processor to store program instructions. The processor can alert the operator when the end effector reaches the home state position from the articulated position.Type: GrantFiled: March 26, 2014Date of Patent: June 26, 2018Assignee: Ethicon LLCInventors: Mark D. Overmyer, Brett E. Swensgard, Shane R. Adams, Thomas W. Lytle, IV, Richard L. Leimbach, Frederick E. Shelton, IV, Kevin L. Houser
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Patent number: 9980777Abstract: An apparatus includes an interface assembly and a shaft assembly. The interface assembly is configured for use with a robotic system and includes a first drive assembly and a mounting plate. The mounting plate includes an opening. The first drive assembly is positioned within the opening such that the first drive assembly is laterally translatable within the opening from a first position to a second position. The shaft assembly is removably coupled with the interface assembly. The shaft assembly includes an end effector and a first coupling feature. The first drive assembly of the interface assembly actuates the end effector of the shaft assembly. The first coupling feature is longitudinally aligned with the first drive assembly. The first drive assembly engages the first coupling feature of the shaft assembly when the first drive assembly is laterally translated from the first position to the second position.Type: GrantFiled: November 16, 2015Date of Patent: May 29, 2018Assignee: Ethicon, LLCInventors: Shailendra K. Parihar, David T. Martin, Gregory W. Johnson, William J. White, Thomas W. Lytle, IV, Jason L. Harris, Michael L. Stokes, Omar J. Vakharia
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Publication number: 20180110519Abstract: A surgical instrument is disclosed. The surgical instrument can include an end effector, comprising an anvil and a staple cartridge. The surgical instrument can further include a shaft defining a longitudinal axis. The surgical instrument can also include an articulation joint, wherein the end effector is rotatably connected to the shaft about the articulation joint between an unarticulated position and at least one articulated position. The surgical instrument can include means for adjusting the length of a firing stroke as a function of the degree in which the end effector is articulated relative to the longitudinal axis. The surgical instrument can include a sensor configured to defect shifting of lateral portions of a flexible firing bar that extends through the articulation joint. Additionally or alternatively, the surgical instrument can include a relief feature configured to accommodate shifting of lateral portions of a flexible firing bar.Type: ApplicationFiled: November 8, 2017Publication date: April 26, 2018Inventors: Thomas W. Lytle, IV, Frederick E. Shelton, IV, Jerome R. Morgan
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Publication number: 20180095487Abstract: The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.Type: ApplicationFiled: October 6, 2017Publication date: April 5, 2018Inventors: Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer, Brett E. Swensgard, Thomas W. Lytle, IV, Frederick E. Shelton, IV, Kevin L. Houser
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Patent number: 9883860Abstract: An interchangeable shaft assembly for use with a surgical instrument. The surgical instrument may include a frame that operably supports a plurality of drive systems and defines an actuation axis. The shaft assembly may comprise a first shaft that is configured to apply first actuation motions to a surgical end effector that is operably coupled thereto. A proximal end of the first shaft is configured to be operably releasably coupled to a first one of the drive systems supported by the frame in a direction that is substantially transverse to the actuation axis.Type: GrantFiled: March 14, 2013Date of Patent: February 6, 2018Assignee: Ethicon LLCInventors: Richard L. Leimbach, Thomas W. Lytle, IV, Wendy A. Kerr, Brett E. Swensgard, Kevin D. Sackett, Mark D. Overmyer
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Patent number: 9844374Abstract: A surgical instrument is disclosed. The surgical instrument can include an end effector, comprising an anvil and a staple cartridge. The surgical instrument can further include a shaft defining a longitudinal axis. The surgical instrument can also include an articulation joint, wherein the end effector is rotatably connected to the shaft about the articulation joint between an unarticulated position and at least one articulated position. The surgical instrument can include means for adjusting the length of a firing stroke as a function of the degree in which the end effector is articulated relative to the longitudinal axis. The surgical instrument can include a sensor configured to defect shifting of lateral portions of a flexible firing bar that extends through the articulation joint. Additionally or alternatively, the surgical instrument can include a relief feature configured to accommodate shifting of lateral portions of a flexible firing bar.Type: GrantFiled: December 18, 2014Date of Patent: December 19, 2017Assignee: Ethicon LLCInventors: Thomas W. Lytle, IV, Frederick E. Shelton, IV, Jerome R. Morgan
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Patent number: 9826977Abstract: The present disclosure provides a surgical instrument control circuit. The control circuit includes a primary processor, a safety processor in signal communication with the primary processor, and a segmented circuit comprising a plurality of circuit segments in signal communication with the primary processor. The plurality of circuit segments comprising a storage verification segment configured to indicate when a surgical instrument has been properly stored and sterilized.Type: GrantFiled: March 26, 2014Date of Patent: November 28, 2017Assignee: Ethicon LLCInventors: Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer, Brett E. Swensgard, Thomas W. Lytle, IV, Frederick E. Shelton, IV, Kevin L. Houser