Patents by Inventor Richard Lech
Richard Lech 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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Patent number: 11547512Abstract: A torque transducer for mounting a motor includes a mounting flange, a motor flange, a body, and a strain gauge. The mounting flange is configured to secure the torque transducer to a fixed structure. The motor flange is configured to secure to a motor. The body interconnects the mounting and motor flanges. The body defines a channel about a longitudinal axis of the body and is configured to flex in response to the mounting flange and the motor flange rotating relative to one another in response to torque of the motor. The strain gauge is positioned on the body to measure flexation of the body.Type: GrantFiled: June 30, 2021Date of Patent: January 10, 2023Assignee: COVIDIEN LPInventors: Michael Zemlok, Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod
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Patent number: 11523509Abstract: An integrated circuit includes a nexus and a first, a second, a third, and a fourth circuit board. Each of the first and second circuit boards is coupled to opposing sides of the nexus, and each of the third and fourth circuit boards is coupled to opposing sides of the second circuit board. The integrated circuit is transitionable between a first, open configuration, in which the first, second, third and fourth circuit boards and the nexus are substantially coplanar, and a second configuration, in which the first, second, third and fourth circuit boards and the nexus are coupled to one another to define a cavity therein.Type: GrantFiled: March 4, 2021Date of Patent: December 6, 2022Assignee: Covidien LPInventors: Chi Min Seow, Jaimeen Kapadia, Richard Lech, Michael Zemlok, Mark Macleod
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Patent number: 11510747Abstract: A drape for covering a robotic surgical system includes a first end portion, a second end portion, and an intermediate portion extending between the first and second end portion. The first end portion defines a cavity therein and has an outer surface and an inner surface and defines an inlet through the outer and inner surfaces. The cavity is dimensioned for receipt of an instrument drive unit and is in fluid communication with the inlet. The second end portion has an outer surface and an inner surface and defines an outlet through the outer and inner surfaces. The second end portion defines a cavity therein that is in fluid communication with the outlet. The intermediate portion defines an elongated conduit therethrough dimensioned for receipt of a surgical robotic arm.Type: GrantFiled: May 7, 2018Date of Patent: November 29, 2022Assignee: Covidien LPInventors: Michael Zemlok, Chi Min Seow, Mark MacLeod, Jaimeen Kapadia, Richard Lech
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Publication number: 20220170809Abstract: A method of calibrating a torque sensor for a motor with a controller includes determining a gain of the torque sensor, zeroing a torque reading of the torque sensor, accelerating the motor at a known rate, and determining an inertia of the motor in response to accelerating the motor. Zeroing the torque reading occurs when the motor is in an unloaded and unactivated condition and accelerating the motor occurs when the motor is in an unloaded condition.Type: ApplicationFiled: June 5, 2019Publication date: June 2, 2022Inventors: Jaimeen Kapadia, Richard Lech, Mark MacLeod, Chi Min Seow, Michael Zemlok
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Patent number: 11344359Abstract: The present disclosure is directed to an electromechanical surgical system having an end effector and an adapter assembly for selectively interconnecting the end effector and a hand-held surgical instrument. A one-wire bidirectional serial communications interface or bus extends through the end effector, the adapter assembly, and the hand-held surgical instrument. The hand-held surgical instrument includes a master circuit coupled to the bus and configured to identify or control the adapter assembly or the end effector. A power source is couplable to the bus and configured to provide power to the adapter assembly or the end effector. A first switch connects the master circuit to the bus and a second switch connects the power source to the bus. A processor controls operation of the hand-held surgical instrument. The controller has a wake-up pin connected to the bus and is configured to receive a presence pulse from the adapter or end effector.Type: GrantFiled: June 17, 2020Date of Patent: May 31, 2022Assignee: Covidien LPInventor: Richard Lech
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Patent number: 11272992Abstract: An instrument drive unit includes a housing configured to be coupled to a surgical robotic arm, a motor assembly, and a flex spool assembly. The motor assembly is rotatably disposed within the housing. The flex spool assembly includes a first printed circuit board mounted to the housing, a second printed circuit board configured to be non-rotatably coupled to and electrically connected to the motor assembly, and a first flex circuit. The first flex circuit has a first end portion connected to the first printed circuit board, a second end portion connected to the second printed circuit board, and an intermediate portion coiled about the second printed circuit board such that rotation of the motor assembly relative to the housing effects movement of the second end portion of the first flex circuit along an annular path.Type: GrantFiled: June 2, 2017Date of Patent: March 15, 2022Assignee: Covidien LPInventors: Chi Min Seow, Richard Lech, Michael Zemlok, Jaimeen Kapadia, Mark MacLeod
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Publication number: 20210322122Abstract: A torque transducer for mounting a motor includes a mounting flange, a motor flange, a body, and a strain gauge. The mounting flange is configured to secure the torque transducer to a fixed structure. The motor flange is configured to secure to a motor. The body interconnects the mounting and motor flanges. The body defines a channel about a longitudinal axis of the body and is configured to flex in response to the mounting flange and the motor flange rotating relative to one another in response to torque of the motor. The strain gauge is positioned on the body to measure flexation of the body.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Inventors: Michael Zemlok, Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod
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Patent number: 11051898Abstract: A torque transducer for mounting a motor includes a mounting flange, a motor flange, a body, and a strain gauge. The mounting flange is configured to secure the torque transducer to a fixed structure. The motor flange is configured to secure to a motor. The body interconnects the mounting and motor flanges. The body defines a channel about a longitudinal axis of the body and is configured to flex in response to the mounting flange and the motor flange rotating relative to one another in response to torque of the motor. The strain gauge is positioned on the body to measure flexation of the body.Type: GrantFiled: May 13, 2020Date of Patent: July 6, 2021Assignee: COVIDIEN LPInventors: Michael Zemlok, Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod
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Publication number: 20210195747Abstract: An integrated circuit includes a nexus and a first, a second, a third, and a fourth circuit board. Each of the first and second circuit boards is coupled to opposing sides of the nexus, and each of the third and fourth circuit boards is coupled to opposing sides of the second circuit board. The integrated circuit is transitionable between a first, open configuration, in which the first, second, third and fourth circuit boards and the nexus are substantially coplanar, and a second configuration, in which the first, second, third and fourth circuit boards and the nexus are coupled to one another to define a cavity therein.Type: ApplicationFiled: March 4, 2021Publication date: June 24, 2021Inventors: Chi Min Seow, Jaimeen Kapadia, Richard Lech, Michael Zemlok, Mark Macleod
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Publication number: 20200305955Abstract: The present disclosure is directed to an electromechanical surgical system having an end effector and an adapter assembly for selectively interconnecting the end effector and a hand-held surgical instrument. A one-wire bidirectional serial communications interface or bus extends through the end effector, the adapter assembly, and the hand-held surgical instrument. The hand-held surgical instrument includes a master circuit coupled to the bus and configured to identify or control the adapter assembly or the end effector. A power source is couplable to the bus and configured to provide power to the adapter assembly or the end effector. A first switch connects the master circuit to the bus and a second switch connects the power source to the bus. A processor controls operation of the hand-held surgical instrument. The controller has a wake-up pin connected to the bus and is configured to receive a presence pulse from the adapter or end effector.Type: ApplicationFiled: June 17, 2020Publication date: October 1, 2020Inventor: Richard Lech
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Publication number: 20200297441Abstract: A surgical device is provided including an energy harvesting device configured to harvest energy from a sterilization device to provide power to at least one of a sensor or a computing device. The sensor is configured to measure an energy output applied to the surgical device by a sterilization device. The computing device includes a processor or logic circuit and a memory and is configured to determine when a threshold energy output applied to the surgical device is met and to store in the memory an amount of times the threshold energy output applied to the surgical device is met.Type: ApplicationFiled: December 19, 2018Publication date: September 24, 2020Inventor: Richard Lech
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Patent number: 10779818Abstract: An end effector includes first and second jaw members moveable relative to one another. Each of the first and second jaw members including a tissue contacting surface opposing the tissue contacting surface of the other jaw member. The end effector includes a detection assembly that is disposed within the first or second jaw member that is configured to detect an attribute of tissue between the first and second jaw members. The detection assembly may include a light source configured to emit light towards tissue between the first and second jaw members or may include an ultrasound transducer configured to emit ultrasound energy towards tissue between the first and second jaw members.Type: GrantFiled: January 16, 2015Date of Patent: September 22, 2020Assignee: COVIDIEN LPInventors: Michael A. Zemlok, Richard Lech, Saumya Banerjee
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Publication number: 20200268466Abstract: A torque transducer for mounting a motor includes a mounting flange, a motor flange, a body, and a strain gauge. The mounting flange is configured to secure the torque transducer to a fixed structure. The motor flange is configured to secure to a motor. The body interconnects the mounting and motor flanges. The body defines a channel about a longitudinal axis of the body and is configured to flex in response to the mounting flange and the motor flange rotating relative to one another in response to torque of the motor. The strain gauge is positioned on the body to measure flexation of the body.Type: ApplicationFiled: May 13, 2020Publication date: August 27, 2020Inventors: Michael Zemlok, Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod
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Patent number: 10736704Abstract: A torque transducer for mounting a motor includes a mounting flange, a motor flange, a body, and a strain gauge. The mounting flange is configured to secure the torque transducer to a fixed structure. The motor flange is configured to secure to a motor. The body interconnects the mounting and motor flanges. The body defines a channel about a longitudinal axis of the body and is configured to flex in response to the mounting flange and the motor flange rotating relative to one another in response to torque of the motor. The strain gauge is positioned on the body to measure flexation of the body.Type: GrantFiled: January 29, 2019Date of Patent: August 11, 2020Assignee: COVIDIEN LPInventors: Michael Zemlok, Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod
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Patent number: 10736219Abstract: An integrated circuit includes a nexus and a first, a second, a third, and a fourth circuit board. Each of the first and second circuit boards is coupled to opposing sides of the nexus, and each of the third and fourth circuit boards is coupled to opposing sides of the second circuit board. The integrated circuit is transitionable between a first, open configuration, in which the first, second, third and fourth circuit boards and the nexus are substantially coplanar, and a second configuration, in which the first, second, third and fourth circuit boards and the nexus are coupled to one another to define a cavity therein.Type: GrantFiled: May 25, 2017Date of Patent: August 4, 2020Assignee: COVIDIEN LPInventors: Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod, Michael Zemlok
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Patent number: 10722290Abstract: The present disclosure is directed to an electromechanical surgical system having an end effector and an adapter assembly for selectively interconnecting the end effector and a hand-held surgical instrument. A one-wire bidirectional serial communications interface or bus extends through the end effector, the adapter assembly, and the hand-held surgical instrument. The hand-held surgical instrument includes a master circuit coupled to the bus and configured to identify or control the adapter assembly or the end effector. A power source is couplable to the bus and configured to provide power to the adapter assembly or the end effector. A first switch connects the master circuit to the bus and a second switch connects the power source to the bus. A processor controls operation of the hand-held surgical instrument. The controller has a wake-up pin connected to the bus and is configured to receive a presence pulse from the adapter or end effector.Type: GrantFiled: December 14, 2017Date of Patent: July 28, 2020Assignee: Covidien, LPInventor: Richard Lech
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Publication number: 20200093556Abstract: A drape for covering a robotic surgical system includes a first end portion, a second end portion, and an intermediate portion extending between the first and second end portion. The first end portion defines a cavity therein and has an outer surface and an inner surface and defines an inlet through the outer and inner surfaces. The cavity is dimensioned for receipt of an instrument drive unit and is in fluid communication with the inlet. The second end portion has an outer surface and an inner surface and defines an outlet through the outer and inner surfaces. The second end portion defines a cavity therein that is in fluid communication with the outlet. The intermediate portion defines an elongated conduit therethrough dimensioned for receipt of a surgical robotic arm.Type: ApplicationFiled: May 7, 2018Publication date: March 26, 2020Inventors: Michael Zemlok, Chi Min Seow, Mark MacLeod, Jaimeen Kapadia, Richard Lech
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Patent number: 10498269Abstract: A surgical stapler includes a handle assembly, an end effector, a firing rod disposed in mechanical cooperation with the end effector, a drive motor coupled to the firing rod, a sensor, and a controller. The end effector includes a first and second jaw member moveable relative to one another. The first jaw member includes a surgical fastener and the second jaw member includes an anvil. The drive motor is configured to advance the firing rod to cause the first and second jaw members to clamp tissue and to eject a surgical fastener. The surgical stapler includes a sensor that is configured measure a clamping force exerted on tissue by the first and second jaw members. The controller control a speed of the drive motor based on the measured clamping force.Type: GrantFiled: May 15, 2017Date of Patent: December 3, 2019Assignee: Covidien LPInventors: Michael A. Zemlok, Richard Lech, Saumya Banerjee
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Publication number: 20190223291Abstract: An integrated circuit includes a nexus and a first, a second, a third, and a fourth circuit board. Each of the first and second circuit boards is coupled to opposing sides of the nexus, and each of the third and fourth circuit boards is coupled to opposing sides of the second circuit board. The integrated circuit is transitionable between a first, open configuration, in which the first, second, third and fourth circuit boards and the nexus are substantially coplanar, and a second configuration, in which the first, second, third and fourth circuit boards and the nexus are coupled to one another to define a cavity therein.Type: ApplicationFiled: May 25, 2017Publication date: July 18, 2019Inventors: Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod, Michael Zemlok
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Publication number: 20190151038Abstract: A torque transducer for mounting a motor includes a mounting flange, a motor flange, a body, and a strain gauge. The mounting flange is configured to secure the torque transducer to a fixed structure. The motor flange is configured to secure to a motor. The body interconnects the mounting and motor flanges. The body defines a channel about a longitudinal axis of the body and is configured to flex in response to the mounting flange and the motor flange rotating relative to one another in response to torque of the motor. The strain gauge is positioned on the body to measure flexation of the body.Type: ApplicationFiled: January 29, 2019Publication date: May 23, 2019Inventors: Michael Zemlok, Chi Min Seow, Jaimeen Kapadia, Richard Lech, Mark MacLeod