A device comprising a heat-generating component that comprises an alkali metal is provided. The alkali metal in the presence of water at a point of contact of the device undergoes an exothermic reaction to generate heat in situ. The amount of heat generated is proportional to and/or limited by the amount (or moles) of water at the point of contact, and the heat generated is sufficient to achieve an increase in temperature at the point of contact to achieve a therapeutic or beneficial result. In one embodiment, the device is used for reducing sweat production in a subject suffering from excessive sweating or hyperhidrosis. In other embodiments, the device is used to substantially sterilize a surface or render a surface substantially aseptic.

An exothermic warmer (1) includes an exothermic element (11) that is covered with a first cover sheet (21) and a second cover sheet (22). The first cover sheet (21) is a sheet that is air permeable and does not substantially limit an oxidation reaction. A water-retaining material (12) is provided so as to be at least partially in contact with the exothermic element (11). The exothermic warmer (1) satisfies the following conditions (A) to (C): (A) the difference between the internal temperature of the exothermic element and the highest surface temperature of the exothermic warmer is 10 C. or less; (B) the highest skin temperature obtained when the exothermic warmer is applied to human skin is 38 C. or more and 42 C. or less; and (C) the ratio of the amount (mg/cm.sup.2.Math.10 min) of steam generated in 10 minutes after the start of the oxidation reaction to the mass (g/cm.sup.2) of the exothermic element takes a value of 50 or more and 250 or less.

An iron powder for an exothermic composition according to the present invention has a bulk density of 0.3 to 1.5 g/cm.sup.3. Furthermore, an exothermic composition according to the present invention contains the iron powder, a carbon material, a halide salt, and water. Furthermore, an exothermic body production method according to the present invention includes: forming a coated member by coating a base material sheet with a flowable exothermic composition containing the iron powder, a carbon material, and water; and adjusting an amount of moisture in the coated member by removing water from the coated member. Furthermore, the present invention is directed to a production method for the iron powder (an iron powder for an exothermic composition) including: a reducing step of reducing iron oxide to obtain reduced iron; and a step of milling the reduced iron. In the reducing step, the iron oxide is reduced by introducing iron oxide and a solid reductant with a volatile matter content of 10% by mass or more into a heating furnace whose internal portion contains no sulfur gas or is set to an air or inert gas atmosphere, and setting the internal portion to a reducing gas atmosphere through heating under a condition that an ambient temperature of the internal portion is from 900 to 1000 C.

Embodiments provide a moldable warming device, including a heating disc; a first harmonic resonance frequency stimulation vibration generator (RFSVG); a coupling device; a mask configured to hold the heating disc, the first harmonic RFSVG, and the coupling device for use in parallel utility; and a sensor array, the sensor array configured to determine tuning parameters of a vibration and heating profile of a user's individual eyelid, periorbital, and nasal three-dimensional anatomy and surface topography. According to at least one embodiment, the moldable warming device is configured to provide an eyelid surface and periorbital structures with therapeutic warmth, and the first harmonic RFSVG is configured to provide tuned harmonic resonance or non-resonance frequency stimulation vibration over the user's nasal bridge area through the user's nasal bone such that nasal sensory nerves are stimulated to induce tear production reflex in the user's lacrimal function unit.

A tape 400 or wrap is provided which includes first and second elongated elastic layers 345, 346 sized to conform to the shape of a portion of the external skin of the body of a wearer; and a heated area comprising an exothermic material 310 sandwiched between said first and second elastic layers 345, 346, wherein said exothermic material 310 is activated by exposing said exothermic material 310 to oxygen; wherein said tape 400 or wrap has a elasticity of at least about 10-90% and said heated area is capable of substantially expanding and contracting with the tape or wrap. Methods of using the tape 400 or wrap are also provided.

A heat patch includes a dressing layer, a release layer, an adherence layer, and a heating layer. The dressing layer is combined with the release layer and the adherence layer. The heating layer is combined with the adherence layer. When the dressing layer is adhered to the user skin, the heating structure of the heating layer generates the heat which is transmitted to the dressing layer for achieving a hot compressing function.

The following description relates generally to self-heated consumer spa products heated by means of a prolonged exothermic chemical reaction for various therapeutic and/or spa applications for applying heat to portions of a person's body.

The current invention discloses a treatment device having a heat source, a power source, a heat applicator and a lighting mechanism. The power source includes at least one battery having superior properties such as prolonged electricity production and prompt recharging. The heat applicator includes a heat conductive layer made from nanofibers, providing highly efficient heat distribution to the targeted regions. The lighting mechanism employs light emitting nano fibers to treat targeted regions. The power source provides energy to the light source, which generates light so that the applicator may distribute to an injury site or wound bed of a user. The heat source may be an exothermic chemical reaction designed to last for several hours supplying heat to the treatment device or an electronically produced heat. The treatment device further comprises a plurality of electrodes for electrical stimulation treatment.

The present disclosure describes a treatment device having a heat source, a power source, a heat applicator and a lighting mechanism. The power source includes at least one battery having superior properties such as prolonged electricity production and prompt recharging. The heat applicator includes a heat conductive layer made from nanofibers, providing highly efficient heat distribution to the targeted regions. The lighting mechanism employs light emitting nano fibers to treat targeted regions. The power source provides energy to the light source, which generates light so that the applicator may distribute to an injury site or wound bed of a user. The heat source may be an exothermic chemical reaction designed to last for several hours supplying heat to the treatment device or an electronically produced heat. The treatment device further comprises a plurality of electrodes for electrical stimulation treatment.

An apparatus and method for aspirating, irrigating and/or cleansing wounds is provided. The apparatus and method include one or more of the following: simultaneous aspiration and irrigation of the wound, supplying of thermal energy to fluid circulated through the wound; supplying physiologically active agents to the wound; a biodegradable scaffold in contact with the wound bed; and application of stress or flow stress to the wound bed.