# US 2019/0167296 A1 · Energy control device, treatment system, and actuating method of energy control device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0167296 A1 - Document ID: US20190167296A1 - Status: Published application - Kind: A1 - Application number: 16/258,045 - Filed: 2019-01-25 - Published: 2019-06-06 - Earliest claimed: 2016-07-26 - Assignees: Olympus Corporation - Applicants: Olympus Corporation - Inventors: Yoshihiro TSUBUKU; Minoru KAWASAKI; Gen KATO - Web page: https://patentgrep.com/patent/US20190167296A1 ## CPC - A61B 17/320092: {with additional movable means for clamping or cutting tissue, e.g. with a pivoting jaw} - A61B 90/08: {Accessories or related features not otherwise provided for} - A61B 90/90: Identification means for patients or instruments, e.g. tags - A61B 2017/0003: {of parts of the instruments} - A61B 2017/00123: {and automatic shutdown} - A61B 2017/2929: {with a head rotatable about the longitudinal axis of the shaft} - A61B 2018/00607: {Coagulation and cutting with the same instrument} - A61B 2018/00666: {using a threshold value} - A61B 2018/00702: {Power or energy} - A61B 2018/00827: {Current} - A61B 2018/00875: {Resistance or impedance} - A61B 2018/00892: {Voltage} - A61B 2090/0807: {Indication means} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## 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. ## Claims ### Claim 1 An energy control device for use in combination with an ultrasonic treatment instrument, the ultrasonic treatment instrument including an ultrasonic transducer configured to generate ultrasonic vibration by being supplied with electric energy, and an end effector configured to perform a treatment by using the ultrasonic vibration generated by the ultrasonic transducer, the energy control device comprising: an energy output source configured to output the electric energy to the ultrasonic transducer; and a processor configured to: detect an electric characteristic value in relation to the electric energy which is output to the ultrasonic transducer; detect, based on a detection result of the electric characteristic value, a gradual decrease start time at which the electric characteristic value starts a gradual decrease after the electric characteristic value gradually increases; calculate a time rate of change of the electric characteristic value; and execute, based on a fact that the 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. ### Claim 2 (depends on 1) The energy control device of claim 1, wherein the processor is configured to judge whether the time rate of change of the electric characteristic value is greater than the predetermined threshold after a predetermined time has passed since the gradual decrease start time, and configured to execute, when the controller judged that the time rate of change is greater than the predetermined threshold, at least one of causing the energy output source to stop or reduce the output of the electric energy, and notifying that the time rate of change become greater than the predetermined threshold. ### Claim 3 (depends on 2) The energy control device of claim 2, wherein the processor is configured to detect a gradual increase start time at which the electric characteristic value starts a gradual increase, the processor is configured to calculate an increase amount of the electric characteristic value from the gradual increase start time, and the processor is configured not to judge whether the time rate of change of the electric characteristic value is greater than the predetermined threshold, until the electric characteristic value starts a gradual decrease once again, in a case in which, during a period from the gradual decrease start time to passage of the predetermined time, the gradual increase start time was detected and the increase amount of the electric characteristic value from the gradual increase start time exceeded a predetermined increase amount. ### Claim 4 (depends on 3) The energy control device of claim 3, wherein based on a fact that the electric characteristic value started the gradual decrease once again after the increase amount of the electric characteristic value from the gradual increase start time become greater than the predetermined increase amount, the processor is configured to update the gradual decrease start time to a time point at which the electric characteristic value started the gradual decrease once again. ### Claim 5 (depends on 1) The energy control device of claim 1, wherein the processor is configured to detect, as the electric characteristic value, at least one of an impedance of the ultrasonic transducer, an output voltage from the energy output source to the ultrasonic transducer, and an output electric power from the energy output source to the ultrasonic transducer. ### Claim 6 (depends on 1) A treatment system comprising: the energy control device of claim 1; and the ultrasonic treatment instrument including the ultrasonic transducer and the end effector. ### Claim 7 (depends on 6) The treatment system of claim 6, wherein the end effector includes a first grasping piece to which the ultrasonic vibration is transmitted, and a second grasping piece which is openable and closable relative to the first grasping piece, and the second grasping piece includes a pad member configured to be abuttable on the first grasping piece in a state in which the first grasping piece and the second grasping piece are closed. ### Claim 8 (depends on 6) The treatment system of claim 6, wherein the ultrasonic treatment instrument includes a storage medium in which the predetermined threshold is stored, and the processor is configured to read the predetermined threshold from the storage medium by the ultrasonic treatment instrument being connected to the energy control device. ### Claim 9 (depends on 6) The treatment system of claim 6, wherein the ultrasonic treatment instrument includes a storage medium in which identification information is stored, and the processor is configured to read the identification information from the storage medium by the ultrasonic treatment instrument being connected to the energy control device, and configured to set the predetermined threshold, based on the read identification information. ### Claim 10 An actuating method of an energy control device, the energy control device being used in combination with an ultrasonic treatment instrument, the ultrasonic treatment instrument including an ultrasonic transducer configured to generate ultrasonic vibration by being supplied with electric energy, and an end effector configured to perform a treatment by using the ultrasonic vibration generated by the ultrasonic transducer, the actuating method comprising: outputting the electric energy to the ultrasonic transducer; detecting an electric characteristic value in relation to the electric energy which is output to the ultrasonic transducer; detecting, based on a detection result of the electric characteristic value, a gradual decrease start time at which the electric characteristic value starts a gradual decrease after the electric characteristic value gradually increases; calculating a time rate of change of the electric characteristic value; and executing, based on a fact that the 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 stopping or reducing the output of the electric energy to the ultrasonic transducer, and notifying that the time rate of change become greater than the predetermined threshold.