When treating a subject using alternating electric fields (e.g., using TTFields to treat a tumor), some subjects experience an electrosensation effect when the alternating electric field switches direction. This application describes a variety of approaches for reducing or eliminating this electrosensation. More specifically, during the course of treatment using alternating electric fields, additional electrical signals that reduce the subject's sensation are applied during each of a plurality of time intervals, and these additional electrical signals interact with the relevant nerve cells to reduce the sensations.

A system and method for delivering TTFields are herein described. The system comprises an electric field generator generating a signal having a frequency from 50 kHz to 1 MHz and coupled to a lead. A pad is coupled to the lead and includes a solid continuous phase material and a conductive gel. The solid continuous phase material receives the signal from the lead, has a skin-facing surface, and is constructed of a conductive material or has a conductive material attached to, absorbed into, or adsorbed onto the solid continuous phase material. Pockets intersect the skin-facing surface, the pockets sized and dimensioned to receive a hair shaft. The conductive gel is attached to, absorbed into, or adsorbed onto the skin-facing surface and positioned within some of the pockets.

A system and method for delivering TTFields are herein described. The system comprises an electric field generator generating a signal having a frequency from 50 kHz to 1 MHz and coupled to a lead. A pad is coupled to the lead and includes a solid continuous phase material and a conductive gel. The solid continuous phase material receives the signal from the lead, has a skin-facing surface, and is constructed of a conductive material or has a conductive material attached to, absorbed into, or adsorbed onto the solid continuous phase material. Pockets intersect the skin-facing surface, the pockets sized and dimensioned to receive a hair shaft. The conductive gel is attached to, absorbed into, or adsorbed onto the skin-facing surface and positioned within some of the pockets.

A method of treating a patient includes providing an applicator to the patient to provide a treatment. The applicator includes an electrode to provide an electromagnetic field and a cavity to provide flow of air to provide pressure treatment. The electromagnetic field is applied with a frequency in a range of 0.1 MHz to 300 MHz to provide heating to the patient. The pressure treatment provides a massage to the patient.

A device for repetitive nerve stimulation for development of muscle via inductive magnetic fields, having a stimulation coil in a plastic housing. A pulse generator may be provided for electrically actuating the stimulation coil.

A device for repetitive nerve stimulation for development of muscle via inductive magnetic fields, having a stimulation coil in a plastic housing. A pulse generator may be provided for electrically actuating the stimulation coil.

An oral cleaning and/or treatment device includes electrodes for emitting RF energy for providing an oral cleaning and/or treatment function. The device includes a cleaning unit for receipt in an oral cavity which includes at least a first and second protruding member, which protrude in a same general direction away from abase or support structure. Each member comprises one or more electrodes or conductive elements for emitting RF energy. The device generates an RF field in a space between and around the electrodes by driving the electrodes with an RF signal generator. The device includes means, either mechanical or electrical, for varying a generated RF field pattern (e.g. spatial intensity distribution) between different settings. The device is in particular configurable in at least two modes or settings, each associated with a different respective field pattern or spatial intensity distribution. This is valuable for adapting the cleaning functionality to different required purposes.

Devices for directing electromagnetic energy to tissue during cosmetic procedures, as well as methods of treatment and methods of device manufacture. An electrode assembly includes a housing, an electrode, and a thermal sensor arranged inside the housing. The electrode, which includes an aperture, is configured to deliver electrical energy to a targeted area of a patient. The thermal sensor is positioned relative to the aperture of the electrode to provide a field of view through the aperture to a surface of the targeted area. The thermal sensor is configured to generate sensor data indicative of a temperature at the surface of the targeted area, and to thereby provide non-contact temperature sensing.

The technology disclosed in the present specification is characterized in that it provides an apparatus and system for generating an alternating magnetic field for disease treatment that are significantly safer and have fewer side effects compared to conventional methods of treating tumors by using magnetic nanoparticles. The apparatus for generating the alternating magnetic field may further include a ferrite core at the outside the coil, through which a more uniform and dense alternating magnetic field may be applied. The technology disclosed in the present specification is characterized by providing an AC magnetic field generating device and system for disease treatment that is significantly safer and has fewer side effects compared to the conventional method of treating tumors using magnetic nanoparticles.

The present invention provides a method of inhibiting the growth of proliferating cells, viruses or bacteria in living tissue, the method comprising: applying low to mid-level frequency Alternating Current electromagnetic signals to the living tissue with a transducer comprising a magnetically conductive material passing through a conduction ring energized by an electrical signal to create the low to mid-level frequency AC current electromagnetic signals within the living tissue; wherein the low to mid-level frequency AC current electromagnetic signals have a frequency in the range of about 50 kHz to about 300 kHz and are produced with an AC voltage generator; and circulating fluid in the living tissue provide a secondary coil for the transmission of the low to mid-level frequency AC current electromagnetic signals.