A61B2018/00892

MONITORING EQUIPMENT AND MONITORING METHOD THEREOF
20230075815 · 2023-03-09 ·

A monitoring equipment and a monitoring method thereof. The monitoring equipment includes: a treatment device (100) and a main control device (200). The treatment device (100) comprises a housing (110), a treatment surface (120) and an antifreeze film (130), and the treatment surface (120) is disposed between the housing (110) and the antifreeze film (130). The treatment device (100) further comprises a detection branch (150), the detection branch (150) comprises a current detection unit (151), and the current detection unit (151) is configured to detect a branch current (I0) of the detection branch (150). The treatment device (100) further comprises an electrode pair (140), and the electrode pair (140) is connected in parallel with the detection branch (150) and then connected to a constant voltage source. The main control device (200) is electrically connected to the treatment device (100).

Controlling impedance rise in electrosurgical medical devices

Various embodiments are directed to an electrosurgical system including an end effector, a jaw closure trigger, and a control circuit. The end effector includes a first jaw and a second jaw. The control circuit is configured to receive an input indicating a repeat mode, apply a first tissue bite algorithm to a first electrode and a second electrode based on an occurrence of a first tissue bite, enter a hold state at a termination of the first tissue bite algorithm, and determine an occurrence of a second tissue bite. The first tissue bite is based on the second jaw moving toward a closed configuration via the jaw closure trigger. Entering the hold state includes maintaining a sub-therapeutic signal. Determining the occurrence of the second tissue bite includes sensing a reduction in impedance between the first electrode and the second electrode via the sub-therapeutic signal.

Systems and methods for selecting, activating, or selecting and activating transducers

Transducer-based systems can be configured to display a graphical representation of a transducer-based device, the graphical representation including graphical elements corresponding to transducers of the transducer-based device, and also including between graphical elements respectively associated with a set of the transducers and respectively associated with a region of space between the transducers of the transducer-based device. Selection of graphical elements and/or between graphical elements can cause activation of the set of transducers associated with the selected elements. Selection of a plurality of graphical elements and/or between graphical elements can cause visual display of a corresponding activation path in the graphical representation. Visual characteristics of graphical elements and between graphical elements can change based on an activation-status of the corresponding transducers. Activation requests for a set of transducers can be denied if it is determined that a transducer in the set of transducers is unacceptable for activation.

In vivo potential measurement device

An in vivo potential measurement device includes an insulating member and an amplifier. The insulating member has an electrode. The insulating member is inserted into an organ of a living body such that an outer peripheral face of the insulating member contacts with an inner wall face of the organ at a contact site. The electrode senses electric potential at the contact site. The amplifier amplifies the electric potential to obtain output voltage. The amplifier has input capacitance Cin and input resistance Rin that satisfy Cin/Ce>0.1 and 1/(2πfCeRin)>0.1, where Ce represents capacitance of the insulating member at the contact site, and f represents frequency of the electric potential at the contact site on the inner wall face. A contact state between the outer peripheral face and the inner wall face is evaluated using the output voltage.

Method of compressing tissue within a stapling device and simultaneously displaying of the location of the tissue within the jaws

A surgical system is disclosed including an end effector, a control circuit, a closure member, and a firing member. The end effector includes a first jaw, a second jaw, and an electrode. The first jaw is rotatable relative to the second jaw between an open position and a close position to capture tissue therebetween. The electrode is configured to conduct a sub-therapeutic RF current to the tissue. The control circuit is operably coupled to the electrode. The control circuit is configured to measure impedance of the tissue over time based on the sub-therapeutic RF current. The closure member is configured to move the first jaw towards the second jaw at a closure rate based on the impedance of the tissue. The firing member is configured to move within the end effectors towards a fired position at a firing rate based on the impedance of the tissue.

METHOD FOR CONTROLLING A MODULAR ENERGY SYSTEM USER INTERFACE

A method for controlling a user interface of a modular energy system. The modular energy system comprises a header module and a display screen on which the user interface is displayed. The modular energy system can detect attachment of a first module thereto, control the user interface to display one or more first user interface elements corresponding to the first module, detect attachment of a second module to the modular energy system, control the user interface to resize the one or more first user interface elements to accommodate display of one or more second user interface elements corresponding to the second module, and control the user interface to display the one or more second user interface elements. The various UI elements can correspond to the particular module type that is being connected to the modular energy system.

ELECTROSURGICAL GENERATOR HAVING AN INVERTER
20230069467 · 2023-03-02 · ·

An electrosurgical generator for generating a high-frequency AC voltage for an electrosurgical instrument, having a high-voltage inverter that generates and outputs a high-frequency AC voltage. A filter having a parallel capacitor is on an output line. A measuring sensor circuit having a current divider, which has a capacitive coupling to a series-connected shunt as bypass with respect to the parallel capacitor, and having a voltage detection circuit connected to the shunt. The shunt has a considerably lower impedance than the capacitive coupling. This gives rise to a proportional ratio between the current flowing through the parallel capacitor on the output line of the electrosurgical generator and the current through the shunt. This current is converted into a voltage, which is detected. The current at the output of the inverter is determined quickly and accurately thanks to the proportional relationship. This may be used for feedback and improved monitoring and regulation.

Method for energy distribution in a surgical modular energy system

A method of operating a modular surgical system including a control module, a first surgical module, and a second surgical module is disclosed. The method includes detachably connecting the first surgical module to the control module by stacking the first surgical module with the control module in a stack configuration, detachably connecting the second surgical module to the first surgical module by stacking the second surgical module with the control module and the first surgical module in the stack configuration, powering up the modular surgical system, and monitoring distribution of power from a power supply of the control module to the first surgical module and the second surgical module.

Electrosurgical system

An electrosurgical system can include an electrosurgical generator, a feedback circuit or controller, and an electrosurgical tool. The feedback circuit can provide an electrosurgery endpoint by determining the phase end point of a tissue to be treated. The electrosurgical system can include more than one electrosurgical tool for different electrosurgical operations and can include a variety of user interface features and audio/visual performance indicators. The electrosurgical system can also power conventional bipolar electrosurgical tools and direct current surgical appliances.

Integrated pump control for dynamic control of plasma field
11660460 · 2023-05-30 · ·

A pump and a pump controller which uses an algorithm to quickly achieve and maintain a stable plasma field in a surgical site are provided. The algorithm calculates an electrical characteristic value to determine if a suction rate by the pump should be increased or decreased to achieve the stable plasma field. A method of using the pump and the pump controller is also provided.