Patents by Inventor Brett E. Swensgard
Brett E. Swensgard 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: 20240307058Abstract: A surgical instrument includes a handle assembly, an elongate shaft, an end effector, and control system having a processor and a memory. The handle assembly is movable between a plurality of positions and includes an interface. The control system can cause the processor to toggle between a plurality of interface configurations each associated with one of the positions of the handle assembly. Additionally, or alternatively, the control system can toggle the interface between a primary interface configuration with operational controls and a secondary interface configuration with navigation controls. Additionally, or alternatively, the interface can include a touchscreen configured to provide a firing input signal to the processor. Additionally, or alternatively, a surgical assembly can include the surgical instrument and a remote operating unit with a secondary interface configured to control the end effector.Type: ApplicationFiled: April 24, 2024Publication date: September 19, 2024Inventors: 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: 12029415Abstract: A motor-driven surgical cutting and fastening instrument that comprises an end effector, an electric motor, and a motor control circuit. The motor control circuit is for monitoring a parameter of the electric motor that is indicative of movement of a moveable member of the end effector, and for adjustably controlling the electric motor based on the monitored parameter to thereby adjustably control movement of the moveable member of the end effector during forward rotation of the electric motor.Type: GrantFiled: June 15, 2020Date of Patent: July 9, 2024Assignee: Cilag GmbH InternationalInventors: David C. Yates, Frederick E. Shelton, IV, Bret W. Smith, Brett E. Swensgard
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Patent number: 12023023Abstract: 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: February 1, 2022Date of Patent: July 2, 2024Assignee: CILAG GMBH INTERNATIONALInventors: 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: 12023022Abstract: 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: GrantFiled: March 22, 2021Date of Patent: July 2, 2024Assignee: Cilag GmbH InternationalInventors: 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: 12016591Abstract: An apparatus includes a handle assembly, a shaft assembly, an end effector, and an auto-tensioning feature. The handle assembly includes a body and a plunger. The shaft assembly includes an external sheath that is fixed to the handle body and an interior shaft that is coupled to the plunger. The interior shaft is slidable relative to the external sheath. The end effector is configured to encompass a bodily lumen and includes a flexible member extending distally from the interior shaft. A first coupling element is fixed to the distal tip of the flexible member. A second coupling element is fixed to the external sheath. The first and second coupling elements are magnetically attracted to each other and are biased toward each other such that the flexible member defines an adjustable loop. The auto-tensioning feature is configured to bias the plunger portion proximally relative to the handle body.Type: GrantFiled: August 15, 2022Date of Patent: June 25, 2024Assignee: Cilag GmbH InternationalInventors: Lauren E. Flakne, Michael D. Auld, Brett E. Swensgard, Kyle P. Taylor, Celeste L. Huster, Jerome K. Grudem, Jr.
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Publication number: 20240188959Abstract: An apparatus includes a shaft assembly and an end effector. The shaft assembly includes an outer sheath and a staple driving mechanism. The end effector includes a staple deck, an anvil, a first staple driver, and a second staple driver. The staple deck defines a plurality of staple openings in at least one annular array. Each staple opening in the plurality of staple openings houses a staple. The anvil is configured to actuate relative to the staple deck to compress tissue between the staple deck and the anvil. The staple driving mechanism is configured to actuate the first staple driver to fire a first staple of the plurality of staples against the anvil. The staple driving mechanism is further configured to actuate the second staple driver independently of the first staple driver to fire a second staple of the plurality of staples against the anvil.Type: ApplicationFiled: February 22, 2024Publication date: June 13, 2024Inventors: Michael D. Auld, Brett E. Swensgard, Sol Posada, Michael J. Vendely, Frederick E. Shelton, IV
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Publication number: 20240122598Abstract: In one general aspect, various embodiments of the present invention can include a motorized surgical cutting and fastening instrument having a drive shaft, a motor selectively engageable with the drive shaft, and a manual return mechanism configured to operably disengage the motor from the drive shaft and retract the drive shaft. In at least one embodiment, a surgeon, or other operator of the surgical instrument, can utilize the manual return mechanism to retract the drive shaft after it has been advanced, especially when the motor, or a power source supplying the motor, has failed or is otherwise unable to provide a force sufficient to retract the drive shaft.Type: ApplicationFiled: September 14, 2023Publication date: April 18, 2024Inventors: Bret W. Smith, Daniel J. Abbott, Richard F. Schwemberger, Frederick E. Shelton, IV, Chad P. Boudreaux, Brett E. Swensgard, Ryan J. Laurent
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Patent number: 11944309Abstract: An apparatus includes a shaft assembly and an end effector. The shaft assembly includes an outer sheath and a staple driving mechanism. The end effector includes a staple deck, an anvil, a first staple driver, and a second staple driver. The staple deck defines a plurality of staple openings in at least one annular array. Each staple opening in the plurality of staple openings houses a staple. The anvil is configured to actuate relative to the staple deck to compress tissue between the staple deck and the anvil. The staple driving mechanism is configured to actuate the first staple driver to fire a first staple of the plurality of staples against the anvil. The staple driving mechanism is further configured to actuate the second staple driver independently of the first staple driver to fire a second staple of the plurality of staples against the anvil.Type: GrantFiled: June 30, 2021Date of Patent: April 2, 2024Assignee: Cilag GmbH InternationalInventors: Michael D. Auld, Brett E. Swensgard, Sol Posada, Michael J. Vendely, Frederick E. Shelton, IV
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Patent number: 11931034Abstract: A surgical instrument includes an anvil and an elongate channel. The elongate channel includes a plurality of first electrical contacts and a plurality of electrical connectors comprising a plurality of second electrical contacts, wherein the electrical connectors are spring-biased such that a gap is maintained between the first electrical contacts and the second electrical contacts. The surgical instrument further includes a staple cartridge releasably attachable to the elongate channel, wherein the staple cartridge has a cartridge body comprising a plurality of staple cavities, a plurality of staples deployable from the staple cavities into the tissue, and a plurality of third electrical contacts, wherein the attachment of the staple cartridge to the elongate channel moves the electrical connectors causing the second electrical contacts to bridge the gap and become electrically coupled to the first electrical contacts.Type: GrantFiled: January 12, 2021Date of Patent: March 19, 2024Assignee: Cilag GmbH InternationalInventors: Sol E. Posada, Mark D. Overmyer, Raymond E. Parfett, Brian D. Schings, Brett E. Swensgard, Richard L. Leimbach, Shane R. Adams, David C. Yates, Jason L. Harris, Frederick E. Shelton, IV, Kharyl Evenson George Stephens, Jason M. Rector
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Patent number: 11896217Abstract: A surgical instrument comprising a shaft, an end effector rotatably connected to the shaft about an articulation joint, and an articulation drive is disclosed. The articulation drive comprises a lock configured to hold the end effector in position when the articulation drive is not being operated. The articulation lock self-unlocks when the articulation drive is actuated.Type: GrantFiled: October 29, 2020Date of Patent: February 13, 2024Assignee: CILAG GMBH INTERNATIONALInventors: John Kevin Bruce, Richard L. Leimbach, Brett E. Swensgard
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Patent number: 11826132Abstract: A powered surgical cutting and stapling instrument is disclosed. The instrument includes at least one sensor to measure at least one parameter associated with the instrument, at least one processor, and a memory operatively associated with the processor. The memory includes machine executable instructions that when executed by the processor cause the processor to monitor the at least one sensor over a predetermined time period and determine a rate of change of the measured parameter.Type: GrantFiled: March 18, 2021Date of Patent: November 28, 2023Assignee: Cilag GmbH InternationalInventors: Frederick E. Shelton, IV, Jason L. Harris, Brett E. Swensgard, Richard L. Leimbach, Shane R. Adams, Mark D. Overmyer
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Patent number: 11793521Abstract: In one general aspect, various embodiments of the present invention can include a motorized surgical cutting and fastening instrument having a drive shaft, a motor selectively engageable with the drive shaft, and a manual return mechanism configured to operably disengage the motor from the drive shaft and retract the drive shaft. In at least one embodiment, a surgeon, or other operator of the surgical instrument, can utilize the manual return mechanism to retract the drive shaft after it has been advanced, especially when the motor, or a power source supplying the motor, has failed or is otherwise unable to provide a force sufficient to retract the drive shaft.Type: GrantFiled: February 23, 2021Date of Patent: October 24, 2023Assignee: Cilag GmbH InternationalInventors: Frederick E. Shelton, IV, Brett E. Swensgard, Mark D. Overmyer, Shane R. Adams, Thomas W. Lytle, IV, Richard L. Leimbach, Kevin L. Houser
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Publication number: 20230309992Abstract: 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: November 10, 2022Publication date: October 5, 2023Inventors: 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: 11771454Abstract: Various examples are directed to systems and methods for operating a surgical instrument comprising a firing member translatable proximally and distally along a longitudinal axis between a stroke begin position to a stroke end position distal of the stroke begin position; a knife coupled to the firing member; and a motor coupled to the firing member to translate the firing member between the stroke begin position and the stroke end position. A control circuit may receive a firing signal and begin a firing member stroke by providing an initial motor setting to the motor. The control circuit may maintain the initial motor setting for an open-loop portion of the firing member stroke. The control circuit may receive firing member motion data describing a motion of the firing member during the open-loop portion of the firing member stroke and may select a firing control program based at least in part on the motion of the firing member during the open-loop portion of the firing member stroke.Type: GrantFiled: March 29, 2017Date of Patent: October 3, 2023Assignee: Cilag GmbH InternationalInventors: Brett E. Swensgard, Frederick E. Shelton, IV, Jason L. Harris
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Publication number: 20230293170Abstract: A method of controlling motor velocity in a surgical instrument is disclosed. The surgical instrument includes a displacement member, a motor coupled to the displacement member, a control circuit coupled to the motor, a position sensor coupled to the control circuit, and a timer coupled to the control circuit. The method includes receiving a first position of a displacement member from a position sensor, starting a timer, advancing the displacement member to a second position by setting a motor velocity to a first velocity, receiving the second positon from the position sensor, stopping the timer when the displacement member reaches the second position, receiving elapsed time from the timer, wherein the elapsed time is the time taken by the displacement to move from the first position to the second positon, and controlling, by the control circuit, velocity of the motor based on the elapsed time.Type: ApplicationFiled: April 21, 2023Publication date: September 21, 2023Inventors: Frederick E. Shelton, IV, David C. Yates, Jason L. Harris, Brett E. Swensgard
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Patent number: 11730477Abstract: In one general aspect, various embodiments of the present invention can include a motorized surgical cutting and fastening instrument having a drive shaft, a motor selectively engageable with the drive shaft, and a manual return mechanism configured to operably disengage the motor from the drive shaft and retract the drive shaft. In at least one embodiment, a surgeon, or other operator of the surgical instrument, can utilize the manual return mechanism to retract the drive shaft after it has been advanced, especially when the motor, or a power source supplying the motor, has failed or is otherwise unable to provide a force sufficient to retract the drive shaft.Type: GrantFiled: January 21, 2021Date of Patent: August 22, 2023Assignee: Cilag GmbH InternationalInventors: Bret W. Smith, Daniel J. Abbott, Richard F. Schwemberger, Frederick E. Shelton, IV, Chad P. Boudreaux, Brett E. Swensgard, Ryan J. Laurent
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Patent number: 11707273Abstract: 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: GrantFiled: December 22, 2020Date of Patent: July 25, 2023Assignee: Cilag GmbH InternationalInventors: 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: 20230200831Abstract: Various examples are directed to systems and methods for operating a surgical instrument comprising a firing member translatable proximally and distally along a longitudinal axis between a stroke begin position to a stroke end position distal of the stroke begin position; a knife coupled to the firing member; and a motor coupled to the firing member to translate the firing member between the stroke begin position and the stroke end position. A control circuit may receive a firing signal and begin a firing member stroke by providing an initial motor setting to the motor. The control circuit may maintain the initial motor setting for an open-loop portion of the firing member stroke. The control circuit may receive firing member motion data describing a motion of the firing member during the open-loop portion of the firing member stroke and may select a firing control program based at least in part on the motion of the firing member during the open-loop portion of the firing member stroke.Type: ApplicationFiled: February 20, 2023Publication date: June 29, 2023Inventors: Brett E. Swensgard, Frederick E. Shelton, IV, Jason L. Harris
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Patent number: 11684361Abstract: A motor-driven surgical cutting and fastening instrument that comprises an end effector, an electric motor, and a motor control circuit. The motor control circuit is for monitoring a parameter of the electric motor that is indicative of movement of a moveable member of the end effector, and for adjustably controlling the electric motor based on the monitored parameter to thereby adjustably control movement of the moveable member of the end effector during forward rotation of the electric motor.Type: GrantFiled: June 15, 2020Date of Patent: June 27, 2023Assignee: Cilag GmbH InternationalInventors: David C. Yates, Frederick E. Shelton, IV, Bret W. Smith, Brett E. Swensgard
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Patent number: 11672532Abstract: A surgical system is disclosed that includes an end effector, a firing member, a motor, a position sensor, a timer, and a control system. The end effector comprises a staple cartridge comprising a plurality of staples. The staples are deployable from the staple cartridge based on the firing member moving toward a distal position. The motor is configured to drive the firing member between the proximal position and the distal position. The position sensor is configured to measure a positon of the firing member. The timer is configured to measure elapsed time. The control system is configured to control the motor by comparing actual displacement of the firing member over a time interval to anticipated displacement of the firing member over the time interval.Type: GrantFiled: November 13, 2020Date of Patent: June 13, 2023Assignee: Cilag GmbH InternationalInventors: Frederick E. Shelton, IV, David C. Yates, Jason L. Harris, Brett E. Swensgard