A61B2018/00755

COMBINATION ULTRASONIC AND ELECTROSURGICAL INSTRUMENT WITH CLAMP ARM POSITION INPUT AND METHOD FOR IDENTIFYING TISSUE STATE
20220202466 · 2022-06-30 ·

An ultrasonic surgical instrument and method for identifying tissue state and energizing the surgical instrument includes an end effector having an ultrasonic blade and an RF electrode, a shaft assembly, a body, and a power controller. A first ultrasonic energy input is configured to be actuated from a first unactuated energy input state to a first actuated energy input state. A trigger input is configured to be actuated from an unactuated trigger input state to an actuated trigger input state. The power controller is operatively connected to the ultrasonic blade, the RF electrode, the first ultrasonic energy input, and the trigger input and configured to direct at least one of the ultrasonic blade or the RF electrode to be selectively driven according to a predetermined drive function based on the tissue impedance, the state of the first energy input, and the state of the trigger input.

ELECTROSURGICAL INSTRUMENT SYSTEM WITH PARASITIC ENERGY LOSS MONITOR
20220202470 · 2022-06-30 ·

A method of performing an electrosurgical procedure includes activating an electrode of a surgical instrument by applying an output power signal with a first energy output profile from a generator to the electrode. An induced electrical parameter of a conductive component is monitored via one or more sensors, the induced electrical parameter being associated with a predetermined electrical parameter threshold. The induced electrical parameter includes a parasitic energy loss. When the induced electrical parameter measured from a conductive component of the surgical instrument meets or exceeds the predetermined electrical parameter threshold during the operation, the output power signal of the generator is adjusted from a first energy output profile to a second energy output profile. The adjustment is operable to reduce the induced electrical parameter measured from the conductive component of the surgical instrument; and to reduce the parasitic energy loss without ceasing delivery of energy to the electrode.

ELECTROSURGICAL INSTRUMENT WITH MODULAR COMPONENT CONTACT MONITORING
20220202488 · 2022-06-30 ·

An apparatus includes a shaft assembly, an end effector, a control module, a first electrical connector, and a plurality of nonconductive structures. The first electrical connector is operatively coupled with the control module and includes a first plurality of electrical contacts. At least one electrical contact of the first plurality of electrical contacts is configured to transfer a power output from the control module to a second plurality of electrical contacts of a second electrical connector while the first and second electrical connectors are coupled. The nonconductive structures are disposed adjacent each of the plurality of first electrical contacts. The nonconductive structures are configured to prevent a signal interference between each electrical contact of the first plurality of electrical contacts.

Indication system for surgical device

A cable assembly and methods for indicating an electrical measurement in an electrosurgical instrument are disclosed. The assembly has a circuit having a voltage sensor, a current sensor, and a processing device operatively coupled to the at least one active conductor. The assembly also has a substantially electrically non-conductive housing enclosing the circuit and a portion of at least one active conductor, and exposing a contact portion of the at least one active conductor, the at least one active conductor configured to conduct power to an electrosurgical instrument. The assembly also has an indicator operatively coupled to the processing device.

Flexible neutral electrode

An energy module is disclosed. The energy module includes a control circuit and a two wire interface coupled to the control circuit. The two wire interface is configured as a power source and as a communication interface between the energy module and a neutral electrode.

THERAPEUTIC ENERGY SYSTEMS
20220168594 · 2022-06-02 · ·

The invention provides a therapeutic system comprising: a console, wherein the console comprises a controller and an energy generator; a therapeutic device comprising: an operational head configured for transmitting the energy output from to a biological tissue; and a memory device comprising control instructions, wherein said control instructions comprise instructions for controlling the console; a reversible memory operable linkage linking the memory device to the controller; and a reversible connector configured for operably linking the energy generator to the operational head.

Optionally, the energy generator is a generator of ablation energy or heat energy (e.g. RF generator) and the control instructions comprise instructions for controlling the output of the energy generator. Optionally, the control instructions comprise one or more parameters of energy output or an algorithm configured for controlling the energy output. Optionally, the system further comprises one or more secondary therapeutic devices and the control instructions comprise instructions for controlling the one or more secondary therapeutic devices. Optionally, the system further comprises one or more sensors configured for sensing parameters of energy output or biological or environmental effects of the energy output and the control instructions comprise instructions for controlling the energy output and/or secondary therapeutic devices based on the parameters of energy output or biological or environmental effects. In some embodiments, one advantage provided by the present invention is the use of a single console with a plurality of interchangeable reversibly connected therapeutic devices.

Endoscopic sympathectomy systems and methods
11344731 · 2022-05-31 · ·

A system for controlled sympathectomy procedures is disclosed. A system for controlled micro ablation procedures is disclosed. Methods for performing a controlled surgical procedure are disclosed. A system for performing controlled surgical procedures in a minimally invasive manner is disclosed. An implantable device for monitoring and/or performing a neuromodulation procedure is disclosed.

Methods and systems for controlling energy delivery in medical devices

Systems for controlling ablation procedures that include a user interface. The user interface can include a display; and a memory with a computer executable method stored thereon, the computer executable method adapted to cause to be displayed on the display a plurality of interactive elements for controlling one or more aspects of the ablation.

Combination ultrasonic and electrosurgical instrument with adjustable energy modalities and method for limiting blade temperature

An ultrasonic surgical instrument and method of limiting an ultrasonic blade temperature includes adjusting at least one power parameter of the ultrasonic energy in response to reaching a predetermined frequency parameter change threshold in the ultrasonic blade limiting the temperature of the ultrasonic blade to an upper temperature limit. The ultrasonic surgical instrument further includes an end effector having an ultrasonic blade, a jaw, and a controller. The jaw is movably positioned relative to the ultrasonic blade and configured to move between an open position and a closed position. The controller operatively connects to the ultrasonic blade and is configured to measure an ultrasonic frequency of the ultrasonic blade. The controller has a memory including a plurality of predetermined data correlations that correlate changes in measured ultrasonic frequency of the ultrasonic blade to a blade temperature of the ultrasonic blade.

ELECTROSURGICAL SYSTEM
20220151696 · 2022-05-19 ·

An electrosurgical system that includes an electrosurgical generator arranged to supply microwave energy and an electroporation signal. The system includes an electrosurgical instrument insertable to a treatment region in biological tissue. The electrosurgical instrument includes a coaxial cable connected to the electrosurgical generator to receive microwave energy and the electroporation signal. The instrument includes a rod-shaped radiating tip portion coupled to a distal end of the coaxial cable to receive microwave energy and the electroporation signal, the radiating tip portion for radiating the microwave energy into the treatment region and for establishing an electric field using the electroporation signal to electroporate biological tissue. The instrument includes a conduit for conveying biological tissue away from the treatment region. The system includes a cytometer in fluid communication with the conduit to receive biological tissue, the cytometer for detecting the presence of a first predetermined cell type in the received biological tissue.