A soft physiotherapy instrument includes a flexible sheet and a controller. The flexible sheet includes a first flexible layer, a second flexible layer, a plurality of functional layers located between the first flexible layer and the second flexible layer, and a plurality of electrodes electrically connected with the plurality of functional layers. The functional layer includes a carbon nanotube layer including a plurality of carbon nanotubes uniformly distributed. The flexible sheet is electrically coupled with the controller via the plurality of electrodes.

A hearing device for electrically coupling to skin of a user includes a body having a housing forming at least part of an outer surface. The device includes an acoustic transducer and an electrode disposed at least partially in the body. The electrode includes an outer conductor disposed at least partially in the housing and an inner conductor electrically coupled to the outer conductor and disposed subflush to the outer surface. A method of forming the hearing device includes providing a cast shell, forming an elastomeric conductor in a cavity of the cast shell, and removing a thin outer wall of the cast shell to form the housing of the hearing device.

A device for electrically stimulating skin, in particular for stimulating the activity of fibroblasts, including an electronic circuit for generating a sawtooth biphasic or cyclic alternating electric current; at least two electrodes connected to the electronic circuit, which are configured so as to be applied to the skin in order to allow the electric current generated to pass therethrough.

An electrode system include a flowable and cohesive surface contact element comprising a hydrophilic polymer swollen with an electrolyte fluid, the contact element having a Q′ ratio of at least 5 as defined by the equation $Q^{\prime }=\frac{W_W}{W_G}$
wherein W.sub.G is the dry weight of the hydrophilic polymer and W.sub.W is weight of water in the sample after absorption of the electrolyte fluid comprising water and an electrolyte salt. The surface contact element can consist essentially of the hydrophilic polymer swollen by the electrolyte fluid. Another electrode system includes a contact element including a crosslinked hydrophilic polymer matrix. The contact element has a Q′ ratio of at least 5 as defined by the equation $Q^{\prime }=\frac{W_W}{W_G}.$
The contact elements can also have a Q′ ratio of at least 6, at least 7, at least 10 or even at least 11.

Adjustable auricular nerve stimulation devices, and associated systems and methods, are disclosed herein. A representative device for delivering an electrical signal to a subject includes a signal delivery element including at least two electrodes configured to deliver the electrical signal to a first portion of the subject’s ear. The device also includes a retention element configured to engage a second portion of the subject’s ear. The device further includes an adjustment mechanism permitting movement of the signal delivery element relative to the retention element to place the at least two electrodes in contact with the first portion of the subject’s ear.

A medical device includes a body and at least one electrode disposed thereon. The electrode includes a metallic substrate, such as a platinum group metal, an alloy of platinum group metals, or gold. The surface of the substrate is modified in a manner that increases its effective surface area without inducing bulk heating. For example, the surface of the substrate can be laser textured and/or coated, such as with titanium nitride or iridium oxide.

Provided are a method, server, and computer program for designing a customized headgear for transcranial direct current stimulation. According to one embodiment, there is provided a method for designing a customized headgear for transcranial direct current stimulation performed by a computing device and applying electrical stimulation to a preset target point in a brain of a subject, the method including: acquiring a head image of the subject; generating a headgear mask by using the acquired head image; generating a stimulator mask by using an optimal stimulation position combination for applying the electrical stimulation to the preset target point; and generating a customized headgear mask for the subject by performing a subtraction operation between the generated headgear mask and the generated stimulator mask.

The invention relates to a high voltage source to be coupled to an electrode arrangement for a dielectric barrier discharge plasma treatment. It has a high voltage transformer device including a primary and secondary inductor coupled via a magnetic circuit. A feed circuit including a power capacitor, the power capacitor coupled with the primary inductor and a first controllable conductor in series. A controller is arranged to intermittent switching of the first controllable conductor in on- and off-states; and a second controllable conductor is coupled in parallel to the primary windings; the controller arranged to switch the second controllable conductor to a conducting on-state when the first controllable conductor is in an on-state to short the resonating current in the primary inductor.

A brush electrode includes an electrode base that is connectable to an external device that is configured to generate an electrical signal or receive an electrical signal. A plurality of strand electrodes extend outward from the electrode base. A distal end of each strand electrode is configured to contact a skin surface. The strand electrodes are configured to hold an electrolyte to facilitate ionic conduction of the electrical signal to or from the skin surface.

The present invention relates to systems for providing noninvasive cranial nerve stimulation and methods for using the same. The present invention administers therapy through electrodes that are noninvasively attached to one or more of a subject’s cranial nerve. The systems can be used to enhancing rehabilitation and recovery by improving neuroplasticity and coupling muscle training with feedback.