A61B2018/143

SYSTEM AND METHOD FOR INTRA-OPERATIVE PERCUTANEOUS ABLATION PLANNING
20220039865 · 2022-02-10 ·

Apparatus, systems and methods for percutaneous ablation of a tumor in a subject, and more specifically, percutaneous tumor ablation with the ability for real-time, intra-operative ablation planning, execution and adjustment.

HIGH-VOLTAGE ANALOG CIRCUIT PULSER AND PULSE GENERATOR DISCHARGE CIRCUIT

A pulse generator discharge circuit is disclosed. The circuit includes one or more discharge stages, each discharge stage including a plurality of control input terminals. The circuit also includes first and second discharge terminals, and a plurality of serially connected switches electrically connected between the first and second discharge terminals, where a conductive state of each of the switches is controlled by a control signal. The circuit also includes a plurality of inductive elements configured to generate the control signals for the serially connected switches, where each inductive element is configured to generate a control signal for one of the serially connected switches in response to one or more input signals at one or more of the control input terminals, and where each of the serially connected switches is configured to receive a control signal from a respective one of the inductive elements.

HIGH-VOLTAGE ANALOG CIRCUIT PULSER WITH FEEDBACK CONTROL

A sub-microsecond pulsed electric field generator is disclosed. The field generator includes a controller, which generates a power supply control signal and generates a pulse generator control signal, and a power supply, which receives the power supply control signal and generates one or more power voltages based on the received power supply control signal. The field generator also includes a pulse generator which receives the power voltages and the pulse generator control signal, and generates one or more pulses based on the power voltages and based on the pulse generator control signal. The controller receives feedback signals representing a value of a characteristic of or a result of the pulses and generates at least one of the power supply control signal and the pulse generator control signal based on the received feedback signals.

System for use in treatment of vertebral fractures
09743938 · 2017-08-29 · ·

Methods and devices that displace bone or other hard tissue to create a cavity in the tissue. Where such methods and devices rely on a driving mechanism for providing moving of the device to form a profile that improves displacement of the tissue. These methods and devices also allow for creating a path or cavity in bone for insertion of bone cement or other filler to treat a fracture or other condition in the bone. The features relating to the methods and devices described herein can be applied in any region of bone or hard tissue where the tissue or bone is displaced to define a bore or cavity instead of being extracted from the body such as during a drilling or ablation procedure.

Treatment apparatus using high frequency waves and method for controlling same
09744371 · 2017-08-29 · ·

The present invention relates to a treatment apparatus using high frequency waves, and to a method for controlling same. The treatment apparatus using high frequency waves comprises: a high frequency wave generating unit; a plurality of needles for providing, into the skin of a user, high frequency energy transferred from the high frequency wave generating unit; and a driving unit for inserting the plurality of needles into the skin of the user, wherein the apparatus further comprises a control unit for controlling the driving unit such that the plurality of needles are inserted into a first target point within the skin and then move to a second target point.

Treatment apparatus and method of controlling same
11241278 · 2022-02-08 · ·

The present invention relates to a treatment apparatus and a method of controlling the same. There are provided a treatment apparatus, including a handpiece, an RF generator generating RF energy, an insertion unit configured to advance and retract toward one direction of the handpiece, selectively inserted into a tissue, and electrically connected to the RF generator to transfer the RF energy to the inside of the tissue, and a substance storage unit receiving a therapeutic substance therein and detachably installed on one side of the handpiece to transfer the substance to the inside of the tissue by the advancing operation of the insertion unit and a method of controlling the same.

Skin treatment apparatus using RF energy and method for skin treatment using same

Disclosed herein are a skin treatment apparatus using RF energy and a skin treatment method using the same. There are provided a skin treatment apparatus using RF energy, including a first handpiece configured to include a first electrode unit coming into contact with a skin surface and to form perforations through which an agent penetrates by transferring RF energy to the skin surface through the first electrode unit, a second handpiece configured to include a second electrode unit inserted into the inside of the skin and to insert the second electrode unit into the inside of the skin into which the agent has penetrated and transfer the RF energy, and a controller configured to control parameters of the RF energy transferred to the first electrode unit and the second electrode unit, and a treatment method using the same.

METHODS AND APPARATUS FOR BILATERAL RENAL NEUROMODULATION

Methods and apparatus are provided for bilateral renal neuromodulation, e.g., via a pulsed electric field, via a stimulation electric field, via localized drug delivery, via high frequency ultrasound, via thermal techniques, etc. Such neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. In some embodiments, neuromodulation is applied to neural fibers that contribute to renal function. In some embodiments, such neuromodulation is performed in a bilateral fashion. Bilateral renal neuromodulation may provide enhanced therapeutic effect in some patients as compared to renal neuromodulation performed unilaterally, i.e., as compared to renal neuromodulation performed on neural tissue innervating a single kidney.

Apparatus and method for skin tightening and corrective forming
09737359 · 2017-08-22 · ·

An electrosurgical apparatus applies electrical current to skin, preferably for skin tightening procedures. A housing includes a substantially flat edge, disposable on the skin. The housing stores a plurality of electrodes which are movable through an opening defined by the edge. A vacuum is applied in the housing such that the edge seals with the skin. The electrodes pierce the skin perpendicularly and apply an RF electric current to heat primarily the subcutaneous layer. A coolant is applied to cool the outer layer of the skin.

Methods of treating nasal airways
11241271 · 2022-02-08 · ·

A device is described for treating a nasal airway by modifying a property of a nasal tissue of or near a nasal valve of the airway, without using a surgical incision or an implant, to decrease airflow resistance or perceived airflow resistance in the nasal airway. Various embodiments include an elongate shaft, a bipolar radiofrequency delivery member extending from one end of the shaft, and a handle attached to the elongate shaft at an opposite end from the radiofrequency delivery member. The radiofrequency delivery member is sized to be inserted into a nose and configured to at least temporarily deform the nasal tissue and deliver radiofrequency energy. The radiofrequency delivery member includes two rows of protruding electrodes disposed on a tissue contact surface, and the device is configured to deliver radiofrequency energy from one row of electrodes to the other row of electrodes.