METHODS AND SYSTEMS FOR ADVANCED HARMONIC ENERGY

    公开(公告)号:US20220346863A1

    公开(公告)日:2022-11-03

    申请号:US17750816

    申请日:2022-05-23

    IPC分类号: A61B18/14 A61B17/32 A61B18/12

    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.”