Patent application number | Description | Published |
20110160725 | HIGH-FREQUENCY SURGICAL APPARATUS AND MEDICAL INSTRUMENT OPERATING METHOD - A high frequency surgery apparatus includes a high frequency current generation section that generates a high frequency current to be transmitted to a living tissue to be operated on, a high frequency probe that transmits the high frequency current to the living tissue and is provided with electrodes to perform treatment with the high frequency current, a time measuring section that measures an output time of the high frequency current, an impedance detection section that detects an electric impedance of the living tissue and an output control section that performs control so as to stop the output of the high frequency current upon detecting that the output time exceeds a first threshold and detecting that the electric impedance value exceeds a second threshold. | 06-30-2011 |
20130066238 | High-frequency operation apparatus and operation apparatus - A high-frequency operation apparatus includes a grasping portion for grasping a treatment target living tissue, an electrode for supplying a high-frequency current to the living tissue, a high-frequency current supplying section that generates the high-frequency current necessary for treatment, a cable section that transmits the high-frequency current, an impedance measuring section for measuring an impedance value of the living tissue, a detecting section that detects that the impedance value reaches an impedance threshold at a time when moisture in the living tissue starts to evaporate, a measuring section that measures an output time of the high-frequency current after the detection, a storing section that stores a set time, and an output control section that performs control for stopping an output when the output time of the high-frequency current reaches the stored set time. | 03-14-2013 |
20130338656 | TREATMENT SYSTEM AND ACTUATION METHOD FOR TREATMENT SYSTEM - A treatment system includes a high-frequency power source, a heat generation power source, a grasping member having an electric conductor which applies high-frequency power energy to a living tissue and a heating element which applies thermal energy, a memory where a predetermined impedance value or a predetermined rate of increase in impedance that is a threshold value, at which application of the high-frequency power energy is ended, is stored in advance, a first control section which controls the high-frequency power source based on the threshold value to end application of the high-frequency power energy, and a second control section which performs constant temperature control on the heat generation power source such that the heating element reaches a setting temperature that is set to be higher than a temperature of the heating element calculated from a resistance value of the heating element when application of the high-frequency power energy ends. | 12-19-2013 |
20130338659 | TREATMENT SYSTEM AND ACTUATION METHOD OF TREATMENT SYSTEM - A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a grasped living tissue and is disposed at a grasping surface, and a control section which repeats a first control mode of performing control such that the heating element reaches a first temperature and a second control mode of performing control such that the heating element becomes lower than the first temperature, and controls the power source for heat generation according to a temperature change parameter based on change in temperature of the heating element in the first control mode or the second control mode so as to end application of the thermal energy. | 12-19-2013 |
20130338665 | TREATMENT SYSTEM AND ACTUATION METHOD FOR TREATMENT SYSTEM - A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a living tissue, and a control section which performs constant temperature control on the power source for heat generation on the basis of temperature of the heating element, and controls the power source for heat generation so as to finish application of the thermal energy and complete treatment if the power for heat generation becomes not more than predetermined threshold power which is independent of a type of the living tissue or if a rate of decrease in the power for heat generation becomes not more than a predetermined threshold rate. | 12-19-2013 |
20130338740 | TREATMENT SYSTEM AND ACTUATION METHOD FOR TREATMENT SYSTEM - A treatment system includes a power source for heat generation which outputs power for heat generation, a grasping member having a heating element which applies the power for heat generation as thermal energy to a grasped living tissue, a storage section storing a power decrease pattern which is a prediction about a change state of the power for heat generation, and a control section which performs pattern control on the power source for heat generation on the basis of the power decrease pattern acquired from the storage section. | 12-19-2013 |
20140236140 | TREATMENT SYSTEM - A treatment system includes a holding section that has a heat generation section, a signal output section that supplies a drive signal to the heat generation section, a setting section that sets a target temperature of the heat generation section, a signal detection section that detects the drive signal, a signal extraction section that extracts an extracted signal of a predetermined frequency band from the drive signal detected by the signal detection section, a fault detection section that detects a precursory phenomenon of a fault of the heat generation section when the extracted signal reaches a predetermined threshold, and a control section that controls the drive signal to the heat generation section in a treatment mode for treating the living tissue at the target temperature or in a test mode for detecting the precursory phenomenon. | 08-21-2014 |
20140336646 | OPERATION APPARATUS - A high-frequency operation apparatus includes a grasping portion for grasping a treatment target living tissue, an electrode for supplying a high-frequency current to the living tissue, a high-frequency current supplying section that generates the high-frequency current necessary for treatment, a cable section that transmits the high-frequency current, an impedance measuring section for measuring an impedance value of the living tissue, a detecting section that detects that the impedance value reaches an impedance threshold at a time when moisture in the living tissue starts to evaporate, a measuring section that measures an output time of the high-frequency current after the detection, a storing section that stores a set time, and an output control section that performs control for stopping an output when the output time of the high-frequency current reaches the stored set time. | 11-13-2014 |