Abstract: An energy control device supplies power to an ultrasonic treatment instrument including an end effector performing treatment using ultrasonic vibration generated by an ultrasonic transducer. The energy control device includes an energy source configured to output the power to the ultrasonic transducer, and an integrated circuit. The integrated circuit is configured to: acquire a resonance frequency of a vibration system including the ultrasonic transducer; calculate an initial feature value relating to the resonance frequency after a start of an output of the power; set a threshold based on the initial feature value; and perform causing the energy source to stop or reduce the output of the power to the ultrasonic transducer based on a relationship between the resonance frequency and the threshold, or notifying the relationship between the resonance frequency and the threshold.

Abstract: In an energy control device, a processor detects, based on a detection result of an electric characteristic value in relation to an electric energy which is output from an energy output source to an ultrasonic transducer, a gradual decrease start time at which the electric characteristic value starts a gradual decrease after a gradual increase. The processor executes, based on a fact that a time rate of change of the electric characteristic value become greater than a predetermined threshold after the gradual decrease start time, at least one of causing the energy output source to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the time rate of change become greater than the predetermined threshold.

Abstract: In an energy control device, a processor detects a gradual decrease start time at which the electric characteristic value in relation to electric energy output to an ultrasonic transducer starts a gradual decrease after a gradual increase. The processor calculates a difference value by subtracting the electric characteristic value from a peak value at gradual decrease start time and calculates an integrated value of the difference value from the gradual decrease start time. The processor executes, based on a fact that the integrated value become greater than a predetermined threshold, at least one of causing to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the integrated value become greater than the predetermined threshold.

Abstract: An energy control device for an ultrasonic treatment tool which includes an ultrasonic transducer and an end effector that performs a treatment using the ultrasonic vibration generated by the ultrasonic transducer comprises a first power supply configured to supply an electric power to the ultrasonic transducer, and a circuit. The circuit is configured to measure an output duration, monitor a characteristic parameter representing a situation of the treatment, set a time threshold value based on the characteristic parameter, and perform, when the output duration exceeds the time threshold value, at least one of: stopping or reducing the output of electric power from the first power supply to the ultrasonic transducer and notifying that the output duration has exceeded the time threshold value.

Abstract: An energy control device for an ultrasonic treatment tool which includes an ultrasonic transducer and an end effector that performs a treatment using the ultrasonic vibration generated by the ultrasonic transducer comprises a first power supply configured to supply an electric power to the ultrasonic transducer, and a circuit. The circuit is configured to measure an output duration, monitor a characteristic parameter representing a situation of the treatment, set a time threshold value based on the characteristic parameter, and perform, when the output duration exceeds the time threshold value, at least one of: stopping or reducing the output of electric power from the first power supply to the ultrasonic transducer and notifying that the output duration has exceeded the time threshold value.

Abstract: In an energy control device, a processor detects, based on a detection result of an electric characteristic value in relation to an electric energy which is output from an energy output source to an ultrasonic transducer, a gradual decrease start time at which the electric characteristic value starts a gradual decrease after a gradual increase. The processor executes, based on a fact that a time rate of change of the electric characteristic value become greater than a predetermined threshold after the gradual decrease start time, at least one of causing the energy output source to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the time rate of change become greater than the predetermined threshold.

Abstract: An energy control device supplies power to an ultrasonic treatment instrument including an end effector performing treatment using ultrasonic vibration generated by an ultrasonic transducer. The energy control device includes an energy source configured to output the power to the ultrasonic transducer, and an integrated circuit. The integrated circuit is configured to: acquire a resonance frequency of a vibration system including the ultrasonic transducer; calculate an initial feature value relating to the resonance frequency after a start of an output of the power; set a threshold based on the initial feature value; and perform causing the energy source to stop or reduce the output of the power to the ultrasonic transducer based on a relationship between the resonance frequency and the threshold, or notifying the relationship between the resonance frequency and the threshold.

Abstract: In an energy control device, a processor detects a gradual decrease start time at which the electric characteristic value in relation to electric energy output to an ultrasonic transducer starts a gradual decrease after a gradual increase. The processor calculates a difference value by subtracting the electric characteristic value from a peak value at gradual decrease start time and calculates an integrated value of the difference value from the gradual decrease start time. The processor executes, based on a fact that the integrated value become greater than a predetermined threshold, at least one of causing to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the integrated value become greater than the predetermined threshold.

Abstract: An energy control device supplies power to an ultrasonic treatment instrument including an end effector performing treatment using ultrasonic vibration generated by an ultrasonic transducer. The energy control device includes an energy source configured to output the power to the ultrasonic transducer, and at least one integrated circuit. The integrated circuit is configured to: acquire a resonance frequency of a vibration system including the ultrasonic transducer; calculate an integrated value of a difference between the resonance frequency and a predetermined frequency after the acquired resonance frequency has become a first threshold; and perform causing the energy source to stop or reduce an output of the power to the ultrasonic transducer, or notifying that the integrated value has reached the second threshold when the integrated value has reached a second threshold.

Abstract: A switch detector of an energy treatment device detects a switch from a gradually decreasing state to a gradually increasing state on the basis of a detection result of acoustic impedance. In a state where ultrasonic electric energy and high-frequency electric energy are simultaneously output from an energy source, a controller stops an output of the ultrasonic electric energy on the basis of a fact that the switch of the acoustic impedance from the gradually decreasing state to the gradually increasing state is detected, and stops an output of the high-frequency electric energy on the basis of the fact that high-frequency impedance reaches a set threshold.

Abstract: A switch detector of an energy treatment device detects a switch from a gradually decreasing state to a gradually increasing state on the basis of a detection result of acoustic impedance. In a state where ultrasonic electric energy and high-frequency electric energy are simultaneously output from an energy source, a controller stops an output of the ultrasonic electric energy on the basis of a fact that the switch of the acoustic impedance from the gradually decreasing state to the gradually increasing state is detected, and stops an output of the high-frequency electric energy on the basis of the fact that high-frequency impedance reaches a set threshold.

Abstract: An ultrasonic treatment apparatus includes a movement unit moving in accordance with at least one of an acting state of a load to a treatment section from a jaw and an opening angle of the jaw relative to the treatment section, a movement detector detecting a moving state of the movement unit, and a peak detecting section detecting a target peak of an ultrasonic impedance value. The ultrasonic treatment apparatus includes a control section controlling the peak detecting section to a detection disallowed state where a detection of the target peak is not executed when the movement unit is not placed within a prescribed range based on a detection result in the movement detector.

Abstract: A ultrasonic treatment apparatus includes a gradual decrease detecting section detecting a gradual decrease start point at which a ultrasonic impedance value starts to gradually decrease, and a peak judging section judging whether or not a held tentative peak value that is a ultrasonic impedance value at the gradual decrease start point is a target peak. The ultrasonic treatment apparatus includes an ultrasonic control section outputting a vibration generating electric power in a second ultrasonic output mode where incision performance provided by an ultrasonic vibration becomes smaller than that in a first ultrasonic output mode before a peak detection point, when at least a prescribed time passes from the peak detection point at which the target peak is detected.

Abstract: A grasping treatment apparatus includes an ultrasonic control section stopping an output of a vibration generating electric power or outputting the vibration generating electric power in a second ultrasonic output mode where incision performance provided by an ultrasonic vibration in a treatment section becomes smaller than that in a first ultrasonic output mode before a peak detection point. The grasping treatment apparatus includes a high-frequency control section outputting a high-frequency electric power in a second high-frequency output mode where incision performance provided by a high-frequency current flowing between a probe electrode portion and a jaw electrode portion becomes higher than that in a first high-frequency output mode before the peak detection point.

Abstract: An ultrasonic treatment apparatus includes a movement unit moving in accordance with at least one of an acting state of a load to a treatment section from a jaw and an opening angle of the jaw relative to the treatment section, a movement detector detecting a moving state of the movement unit, and a peak detecting section detecting a target peak of an ultrasonic impedance value. The ultrasonic treatment apparatus includes a control section controlling the peak detecting section to a detection disallowed state where a detection of the target peak is not executed when the movement unit is not placed within a prescribed range based on a detection result in the movement detector.

Abstract: An ultrasonic treatment apparatus includes an impedance detecting section detecting an ultrasonic impedance value with time, and a gradual decrease detecting section detecting a gradual decrease start point to start gradual decrease of the ultrasonic impedance value. The ultrasonic treatment apparatus includes a tentative peak value holding section holding the ultrasonic impedance value at the detected gradual decrease start point as a tentative peak value, and a peak judging section judging whether the held tentative peak value is a target peak by comparing, relative to the held tentative peak value, changes with time of the ultrasonic impedance value after the gradual decrease start point.

Abstract: An ultrasonic treatment apparatus includes a movement unit moving in accordance with at least one of an acting state of a load to a treatment section from a jaw and an opening angle of the jaw relative to the treatment section, a movement detector detecting a moving state of the movement unit, and a peak detecting section detecting a target peak of an ultrasonic impedance value. The ultrasonic treatment apparatus includes a control section controlling the peak detecting section to a detection disallowed state where a detection of the target peak is not executed when the movement unit is not placed within a prescribed range based on a detection result in the movement detector.

Abstract: A ultrasonic treatment apparatus includes a gradual decrease detecting section detecting a gradual decrease start point at which a ultrasonic impedance value starts to gradually decrease, and a peak judging section judging whether or not a held tentative peak value that is a ultrasonic impedance value at the gradual decrease start point is a target peak. The ultrasonic treatment apparatus includes an ultrasonic control section outputting a vibration generating electric power in a second ultrasonic output mode where incision performance provided by an ultrasonic vibration becomes smaller than that in a first ultrasonic output mode before a peak detection point, when at least a prescribed time passes from the peak detection point at which the target peak is detected.

Abstract: A grasping treatment apparatus includes an ultrasonic control section stopping an output of a vibration generating electric power or outputting the vibration generating electric power in a second ultrasonic output mode where incision performance provided by an ultrasonic vibration in a treatment section becomes smaller than that in a first ultrasonic output mode before a peak detection point. The grasping treatment apparatus includes a high-frequency control section outputting a high-frequency electric power in a second high-frequency output mode where incision performance provided by a high-frequency current flowing between a probe electrode portion and a jaw electrode portion becomes higher than that in a first high-frequency output mode before the peak detection point.

Abstract: An ultrasonic treatment apparatus includes an impedance detecting section detecting an ultrasonic impedance value with time, and a gradual decrease detecting section detecting a gradual decrease start point to start gradual decrease of the ultrasonic impedance value. The ultrasonic treatment apparatus includes a tentative peak value holding section holding the ultrasonic impedance value at the detected gradual decrease start point as a tentative peak value, and a peak judging section judging whether the held tentative peak value is a target peak by comparing, relative to the held tentative peak value, changes with time of the ultrasonic impedance value after the gradual decrease start point.