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公开(公告)号：US20220395317A1
公开(公告)日：2022-12-15
申请号：US17847343
申请日：2022-06-23
发明人： Mark A. Davison , Mark E. Tebbe , Kristen G. Denzinger , Ryan M. Asher , Craig T. Davis , Kevin Bash , Eric Roberson , John E. Brady , Jeffrey A. Bullock , Jeffrey L. Aldridge , Monica L. Zeckel , Shan Wan , Kristen L. D'Uva
IPC分类号： A61B18/14
摘要： An apparatus includes a shaft assembly and an end effector. The shaft assembly includes an outer sheath, at least one irrigation conduit, and at least one suction conduit. The end effector includes a first electrode, a second electrode, and a web. The electrodes extend distally relative to a distal end of the outer sheath. The electrodes are operable to apply bipolar RF energy to tissue. The web extends laterally between the first and second electrodes. The web is positioned distal to the distal end of the outer sheath.
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公开(公告)号：US12114914B2
公开(公告)日：2024-10-15
申请号：US17750816
申请日：2022-05-23
发明人： David C. Yates , Amy M. Krumm , Mark A. Davison
CPC分类号： A61B18/1445 , A61B17/320092 , A61B18/1206 , A61B18/1482 , A61B2017/320094 , A61B2017/320095 , A61B2018/00208 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00875 , A61B2018/00994
摘要： Aspects of the present disclosure are presented for a medical instrument configured to adjust the power level for sealing procedures to account for changes in tissue impedance levels over time. In some aspects, a medical instrument may be configured to apply power according to a power algorithm to seal tissue by applying a gradually lower amount of power over to time as the tissue impedance level begins to rise out of the “bathtub region,” which is the time period during energy application where the tissue impedance is low enough for electrosurgical energy to be effective for sealing tissue. In some aspects, the power is then cut once the tissue impedance level exceeds the “bathtub region.” By gradually reducing the power, a balance is achieved between still applying an effective level of power for sealing and prolonging the time in which the tissue impedance remains in the “bathtub region.”
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公开(公告)号：US11642163B2
公开(公告)日：2023-05-09
申请号：US15964577
申请日：2018-04-27
发明人： Gregory A. Trees , Chad P. Boudreaux , Matthew C. Miller , Mark A. Davison , David C. Yates , John A. Hibner , Jill A. Inkrott-Smith
CPC分类号： A61B18/1445 , A61B2018/0063 , A61B2018/00345 , A61B2018/00494 , A61B2018/00607 , A61B2018/00875 , A61B2018/1455
摘要： Methods and devices for controlling motorized surgical devices are provided. In general, the methods and devices can allow a surgical device to grasp and cut tissue. In some embodiments, the device can include at least one sensor and a motor, and an output of the motor can be configured to be adjusted based at least in part on an output from the at least one sensor. The output of the motor can be configured to provide power for translation of a cutting element along an end effector of the device. Adjusting the motor's output can cause the cutting element to translate through the end effector at different speeds, thereby allowing the cutting element to cut through tissue being grasped by the end effector at different speeds.
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公开(公告)号：US11490951B2
公开(公告)日：2022-11-08
申请号：US15720822
申请日：2017-09-29
发明人： Mark A. Davison , Craig T. Davis , Jeffrey W. Bullock , Mark E. Tebbe , Shan Wan , Jeffrey L. Aldridge , Ryan M. Asher , Kristen G. Denzinger , Monica L. Rivard , Kevin A. Bash , Eric M. Roberson
摘要： An end effector of an electrosurgical device may include a discharge port, an aspiration port, two electrodes, and a diverter formed from a porous material. The diverter includes a matrix having voids to receive fluid from the discharge port. A releasable diverter assembly may include an assembly body configured to receive a pair of electrodes and a diverter composed of a porous material. A shaft assembly of an electrosurgical device may include two electrodes and two fluid cannulae. Each cannula may be disposed proximate to a surface of each of the electrodes. An end effector of an electrosurgical device may include a fluid discharge port, two electrodes, and a diverter disposed therebetween. A proximal edge of the diverter may form a secant line with respect to the end of the discharge port so that fluid emitted by the discharge port is disposed on a surface of the diverter.
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公开(公告)号：US20220168039A1
公开(公告)日：2022-06-02
申请号：US17549537
申请日：2021-12-13
摘要： The disclosure provides a method of manufacturing a flexible circuit electrode assembly and an apparatus manufactured by said method. According to the method, an electrically conductive sheet is laminated to an electrically insulative sheet. An electrode is formed on the electrically conductive sheet. An electrically insulative layer is formed on a tissue contacting surface of the electrode. The individual electrodes are separated from the laminated electrically insulative sheet and the electrically conductive sheet. In another method, a flexible circuit is vacuum formed to create a desired profile. The vacuum formed flexible circuit is trimmed. The trimmed vacuum formed flexible circuit is attached to a jaw member of a clamp jaw assembly.
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公开(公告)号：US11129666B2
公开(公告)日：2021-09-28
申请号：US15636110
申请日：2017-06-28
发明人： Jeffrey D. Messerly , David C. Yates , Mark A. Davison , Jason L. Harris , Frederick E. Shelton, IV
IPC分类号： A61B18/12 , A61B17/072 , A61B18/14 , A61B17/00 , A61B18/00 , A61B17/295
摘要： Disclosed is an apparatus and modular surgical system that allows for a user of modular surgical instruments to manipulate an end effector directly from the instrumentation contained in the handle assembly. A nozzle assembly that is detachable from a handle assembly may include an onboard circuitry board that allows for the RF generator to attach directly to the nozzle assembly and supply RF energy to the end effector, while also interfacing with a microprocessor of the handle assembly. In some aspects, the unique circuitry of the nozzle assembly also allows for shaft rotation while still supplying proper energy and functionality to the end effector.
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公开(公告)号：US20230027481A1
公开(公告)日：2023-01-26
申请号：US17960289
申请日：2022-10-05
发明人： Mark A. Davison , Craig T. Davis , Jeffrey W. Bullock , Mark E. Tebbe , Shan Wan , Jeffrey L. Aldridge , Ryan M. Asher , Kristen G. Denzinger , Monica L. Z. Rivard , Kevin A. Bash , Eric M. Roberson
摘要： An end effector of an electrosurgical device may include a discharge port, an aspiration port, two electrodes, and a diverter formed from a porous material. The diverter includes a matrix having voids to receive fluid from the discharge port. A releasable diverter assembly may include an assembly body configured to receive a pair of electrodes and a diverter composed of a porous material. A shaft assembly of an electrosurgical device may include two electrodes and two fluid cannulae. Each cannula may be disposed proximate to a surface of each of the electrodes. An end effector of an electrosurgical device may include a fluid discharge port, two electrodes, and a diverter disposed therebetween. A proximal edge of the diverter may form a secant line with respect to the end of the discharge port so that fluid emitted by the discharge port is disposed on a surface of the diverter.
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公开(公告)号：US11278346B2
公开(公告)日：2022-03-22
申请号：US15636103
申请日：2017-06-28
发明人： Jeffrey D. Messerly , David C. Yates , Mark A. Davison , Jason L. Harris , Frederick E. Shelton, IV
IPC分类号： A61B18/14 , A61B18/12 , A61B18/00 , A61B17/00 , A61B17/072 , A61B17/28 , A61B90/00 , A61B17/29 , A61B17/295 , G06T11/20
摘要： A surgical instrument is disclosed. The surgical instrument includes a circuit configured to deliver RF energy to a cartridge disposed in an end effector configured to receive the cartridge, a closure mechanism configured to transition the end effector between an open position and a closed position, a display, and a control circuit operably coupled to the display. The control circuit configured to determine an amount of RF energy delivered to a tissue through the cartridge, display the amount of RF energy on the display, determine a position of the closure mechanism, and display the position of the closure mechanism on the display.
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公开(公告)号：US12076075B2
公开(公告)日：2024-09-03
申请号：US17371172
申请日：2021-07-09
CPC分类号： A61B18/1445 , A61B2018/00083 , A61B2018/1452 , A61B2018/1467
摘要： An apparatus includes a shaft assembly and an end effector, which includes first and second jaws pivotably coupled together. The first jaw includes a first jaw body and a first electrode surface. The second jaw includes a second jaw body and an electrode assembly, which includes a distal end pivotably supported by the distal end of the second jaw body. The electrode assembly further includes a second electrode surface positioned to face the first electrode surface when the first and second jaws are placed in a closed configuration. The first and second electrode surfaces are operable to apply RF energy to tissue. The electrode assembly further includes at least one compressible member interposed between the second electrode surface and the second jaw body. The at least one compressible is being configured to urge a proximal region of the second electrode surface toward a corresponding region of the first electrode surface.
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公开(公告)号：US11786289B2
公开(公告)日：2023-10-17
申请号：US16835623
申请日：2020-03-31
发明人： Jason R. Lesko , Catherine A. Corbett , William B. Weisenburgh, II , Barry C. Worrell , Mark A. Davison , Chad P. Boudreaux , Nathan Cummings , Ellen Burkart , William D. Dannaher , Christina M. Hough , Craig N. Faller , Adam N. Brown , Jeffrey D. Messerly , Kai Chen , William E. Clem
CPC分类号： A61B18/1206 , A61B17/320092 , A61B18/1445 , A61B2017/320094 , A61B2017/320095 , A61B2018/0063 , A61B2018/00077 , A61B2018/00083 , A61B2018/00202 , A61B2018/00404 , A61B2018/00595 , A61B2018/00607 , A61B2018/00619 , A61B2018/00791 , A61B2018/00922 , A61B2018/00994 , A61B2018/126 , A61B2018/142 , A61B2018/1455
摘要： An apparatus includes a body, a shaft assembly, and an end effector. The end effector includes an ultrasonic blade and a clamp arm assembly. The ultrasonic blade is in acoustic communication with an acoustic waveguide of the shaft assembly. The clamp arm assembly is pivotable toward and away from the ultrasonic blade. The clamp arm assembly includes a first electrode and a second electrode. The first and second electrodes are operable to cooperate to apply bipolar RF energy to tissue.
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