A61B2018/00732

MODULAR MICROWAVE GENERATORS AND METHODS FOR OPERATING MODULAR MICROWAVE GENERATORS
20170333128 · 2017-11-23 ·

The modular microwave ablation system of the present disclosure includes a microwave instrument, a microwave generator, and one or more auxiliary modules that include circuitry for performing functions related to the operation of the microwave generator. The one or more auxiliary modules are removably connected to the microwave generator. The microwave generator includes a microwave signal generator that generates a microwave signal; a microwave generator controller in communication with the microwave signal generator; one or more terminals that connect to the one or more auxiliary modules, respectively; and a power supply and/or a power distribution module coupled to the microwave signal generator, the microwave generator controller, and the one or more terminals. The one or more terminals provide (1) power from the power supply and/or power distribution module to the one or more respective auxiliary modules and (2) communication signals to and from the one or more respective auxiliary modules.

Method for constructing and using a modular surgical energy system with multiple devices

A method for constructing a modular surgical system is disclosed. The method comprises providing a header module comprising a first power backplane segment, providing a surgical module comprising a second power backplane segment, assembling the header module and the surgical module to electrically couple the first power backplane segment and the second power backplane segment to each other to form a power backplane, and applying power to the surgical module through the power backplane.

METHOD OF ROBOTIC HUB COMMUNICATION, DETECTION, AND CONTROL

Various surgical systems are disclosed. A surgical system can include a surgical robot and a surgical hub. The surgical robot can include a control unit in signal communication with a control console and a robotic tool. The surgical hub can include a display. The surgical hub can be in signal communication with the control unit. A facility can include a plurality of surgical hubs that communicate data from the surgical robots to a primary server. To alleviate bandwidth competition among the surgical hubs, the surgical hubs can include prioritization protocols for collecting, storing, and/or communicating data to the primary server.

NONINVASIVE ELECTRICAL TREATMENT DEVICES
20220054864 · 2022-02-24 ·

Noninvasive neuromodulation combines transcutaneous electrical modulation with heat and/or focused ultrasonic energy. A noninvasive neuromodulation device includes a first bipole electrode pair aligned along a first axis and a second bipole electrode pair aligned along a second axis, the first axis and the second axis defining a plane. A focused ultrasound (FUS) transducer can direct a focused ultrasound beam along a third axis that intersects the plane. A controller is electrically coupled to the first and second bipole electrode pairs and to the focused ultrasound transducer. The controller is configured to apply electrical energy having a frequency of between about 1 Hz to about 100 MHz to the first and second bipole electrode pairs, and to cause the FUS transducer to emit a focused ultrasound beam having a frequency of between about 20 kHz to about 10 MHz.

Intravascular lithotripsy

A medical device may include an elongated body, a balloon positioned at a distal portion of the elongated body, and one or more pressure-wave emitters positioned along a central longitudinal axis of the elongated body within the balloon. The one or more pressure-wave emitters may be configured to propagate pressure waves radially outward through the fluid to fragment a calcified lesion at the target treatment site. The at least one of the one or more pressure-wave emitters may include an electronic emitter comprising a first electrode and a second electrode. The first electrode and the second electrode may be arranged to define a spark gap between the first electrode and the second electrode, and the second electrode may comprise a portion of a hypotube.

UNIFORM DIFFUSION OF RADIOFREQUENCY HEATING BY ELECTRODE ARRAY
20220054189 · 2022-02-24 ·

A microneedling system may reciprocate a plurality of microneedles disposed on a handpiece into the skin of a patient. The handpiece may have a plurality of positive and negative electrodes in the form of microneedles or surface electrodes arranged across an array. The microneedles and/or electrode plates may deliver RF energy to the patient for inducing collagen coagulation and regeneration. The electrodes may be arranged such that each electrode is positioned adjacent a closest electrode of opposite polarity. There may be an uneven number of positive and negative electrodes. Central electrodes may be surrounded by at least three adjacent closest electrodes of opposite polarity. The electrodes may be arranged in a hexagonal or other polygonal manner. The electrodes may be arranged to provide uniform distribution of energy, heating, and effectively to some extent damage the entire discrete area that encloses the positive and negative electrodes.

SYSTEM AND METHOD FOR TEMPERATURE ENHANCED IRREVERSIBLE ELECTROPORATION
20170333109 · 2017-11-23 ·

An electrosurgical generator is disclosed. The electrosurgical generator includes: a power supply configured to output DC power; an inverter coupled to the power supply, the inverter including a plurality of switching elements; and a controller coupled to the inverter and configured to signal the inverter to simultaneously generate based on the DC power a radio frequency heating waveform and an electroporation waveform.

AUTOMATED THERAPY OF A THREE-DIMENSIONAL TISSUE REGION

In an embodiment, a method for effecting thermal therapy using an in vivo probe includes positioning the probe in a volume in a patient, identifying an irregularly shaped three-dimensional region of interest and automatically applying thermal therapy to the region using the probe. Applying thermal therapy may include identifying a first emission level at a first rotational angle based in part on a depth of a radial portion of the region in the direction of probe emission, activating emission of the probe, causing rotation of the probe to a next rotational angle, identifying a next emission level at the next rotational angle based in part on a depth of a radial portion of the region in the direction of probe emission, activating emission to deliver therapeutic energy, and repeating rotation and emission until therapeutic energy has been delivered to the volume.

Devices and methods for radiation-based dermatological treatments

A device for providing a dermatological treatment, the device includes a device body, a radiation delivery system for delivering radiation to the skin to provide a dermatological treatment, and a situation-specific control system. The control system includes a plurality of sensors and control electronics programmed to receive signals from the plurality of sensors; determine whether to initiate radiation delivery by the radiation delivery system based on a comparison of the signals received from the plurality of sensors to a first condition; and once radiation is initiated, determine whether to continue radiation delivery by the radiation delivery system based on a comparison of the signals received from the plurality of sensors to a second condition that is different than the first condition.

Increasing radio frequency to create pad-less monopolar loop

In some aspects, a surgical system for taking advantage of capacitive coupling is presented. The surgical system may include: a monopolar energy generator; a surgical instrument configured to transmit electrosurgical energy through the electrode to tissue of a patient at a surgical site; and at least one detection circuit configured to: measure an amount of conductivity in a return path of the electrosurgical energy; determine that the amount conductivity in the return path falls below a predetermined threshold; and transmit a signal to cause the monopolar generator to increase current leakage in the surgical system by increasing alternating current frequency in the electrosurgical energy generation. The monopolar energy generator may further include a sensor configured to determine that a monopolar energy circuit is completed by detecting that the current leakage has reached a ground terminal in the monopolar energy generator.