Abstract A device includes a body, a generator configured to be releasably secured to the body, and a resilient element. The body houses a power source, a processing unit, and a bus including an electrical connector. The generator at least partially includes an impact generator element and a heat generator element, the impact generator element and the heat generator element being independently operable to convert electricity into an impact energy and a heat flux, respectively, and to communicate the impact energy and the heat flux toward an area of skin. The impact generator element includes a drive mechanism, a piston, and a tissue contact surface that is linearly actuatable along an axis. The generator further includes one or more electrical conductors engageable with the electrical connector when the generator is secured to the body to provide at least one electrical pathway from the power source to the generator.
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