A method for medical treatment includes providing a probe configured for insertion into a heart of a living subject and comprising at least one probe electrode configured to contact myocardial tissue in the heart. At least one body-surface electrode is configured to be fixed to skin of the living subject. Biphasic electrical pulses are applied between the at least one probe electrode and the at least one body-surface electrode with a peak-to-peak amplitude of at least 1 kV, a frequency of at least 500 kHz, and a current sufficient to cause irreversible electroporation of the myocardial tissue contacted by the at least one probe electrode.

The invention relates to a method for controlling an ophthalmological laser (12) of a treatment apparatus (10) for the treatment of a human or animal eye (16), comprising controlling the laser (12) by means of a control device (18) of the treatment apparatus (10) such that it emits pulsed laser pulses (20) in a shot sequence in a preset pattern into the eye (16), wherein the individual laser pulses interact with a tissue (14) of the eye for the treatment of the eye (16), wherein a space-filling curve is preset for the pattern for treating the tissue (14).

An irreversible electroporation (IRE) system includes an IRE ablation power source configured to generate bipolar IRE pulses, a switching assembly, and a processor. The switching assembly is configured to short-circuit a first group and a second group of electrodes of a catheter, the groups of electrodes configured to be placed in contact with tissue of organ, so as to create respective combined electrodes of a first size and a second size smaller than the first size, and to connect the IRE ablation power source to the groups of electrodes. The processor is configured to receive target tissue depth of ablation, select the groups of the electrodes, to control the switching assembly to create the combined electrodes and to ablate the tissue by controlling the switching assembly to apply the bipolar IRE pulses to the groups of electrodes to ablate tissue location in contact with a combined electrode to target depth.

A laser light irradiation system that irradiates a stone in a body with laser light to cause the stone to be dust, the laser light irradiation system including a laser fiber that emits the laser light, and a processor configured to control a frequency of the laser light emitted from the laser fiber, wherein the processor is configured to switch between first laser light of a first frequency and second laser light of a second frequency such that the second laser light is emitted at least before or after an emission timing of the first laser light, the first laser light generating a water flow that pulls the stone toward the laser fiber, the second laser light generating a water flow that stirs the stone.

A method and system for artificial intelligence-based radiofrequency ablation parameter optimization and information synthesis are provided. The method is applied to a radiofrequency ablation controller including a processor and an artificial intelligence module. The processor of the radiofrequency ablation controller preprocesses sample data and sends the preprocessed sample data to the artificial intelligence module. The artificial intelligence module establishes an artificial neural network model according to the preprocessed sample data and a radiofrequency ablation control parameter for the sample data. The processor preprocesses signals collected by sensors on a plasma wand. The artificial intelligence module imports preprocessed sensor data into the artificial neural network model for analysis and fusion, to obtain the radiofrequency ablation control parameter.

Disclosed are systems and techniques for providing laser treatment. For example, a vasculature structure associated with a tissue region can be determined. Based on the vasculature structure, one or more laser parameters for configuring a laser to deliver laser energy to at least one blood vessel within the tissue region can be determined. Laser energy can be delivered to the at least one blood vessel to halt blood flow to a targeted area within the tissue region.

A suction or other component of an endoscope system may be cycled on and off or otherwise controlled without requiring direct user input, such as automatically or semi-automatically using a current or historical state of a laser generator, a blurriness or other information from an image of the working area, a count of fragments of a calculi stone, an intraoperative pressure, an intraoperative temperature, or one or more other characteristics of the laser generator or the targeted calculi stone.

A laser can be controlled based on different tissue compositions, such as in real time. After a first time period, a first composition of a in vivo target site can be identified. Based on the first composition, a plurality of lasers can be controlled to emit light at a first wavelength where controlling includes activating a first combination of the plurality of lasers. After a second time period, a second composition of the in vivo target site different from the first composition can be identified. Based on the second composition, a plurality of lasers can be controlled to emit light at a second wavelength, such as can include activating a second combination of the plurality of lasers. The first combination of the plurality of lasers can be different from the second combination of the plurality of lasers.

A method for determining a characteristic of material at a target is provided. A target is illuminated with a pulsed light source. A fluorescence signal from the target when the pulsed light source is an “off” state is then sensed. Based on analysis of the fluorescence signal, a characteristic of material at the target is identified. A device can then be controlled based on the identified characteristic of the material at the target.

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.