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A transcutaneous electrical nerve stimulation (TENS or TNS) is a device that produces mild electric current to stimulate the nerves for therapeutic purposes.TENS, by definition, covers the complete range of transcutaneously applied currents used for nerve excitation, but the term is often used with a more restrictive intent, namely, to describe the kind of pulses produced by portable ...
The electrical stimulation used in HWT differs from other forms of electrical stimulation such as TENS in terms of its waveform; it is intended to emulate the H waveform found in nerve signals, thus permitting the machine to use less power while attaining greater and deeper penetration of its low-frequency current.
It serves as the key part of neural prosthetics for hearing aids, artificial vision, artificial limbs, and brain-machine interfaces. In the case of neural stimulation , mostly an electrical stimulation is utilized and charge-balanced biphasic constant current waveforms or capacitively coupled charge injection approaches are adopted.
This is distinct from transcutaneous electrical nerve stimulation (TENS), in which an electric current is used for pain therapy. "The main difference is the desired outcome. TENS unit is a medical device for pain relief. The desired outcome is to reduce pain by stimulating different nerve signals.
An advertisement for Boots from 1911. Boots was established in 1849, by John Boot. [7] After his father's death in 1860, Jesse Boot, aged 10, helped his mother run the family's herbal medicine shop in Nottingham, [8] which was incorporated as Boot and Co. Ltd in 1883, becoming Boots Pure Drug Company Ltd in 1888.
Alliance Boots was a multinational pharmacy-led health and beauty group with corporate headquarters in Bern, Switzerland and operational headquarters in Nottingham and Weybridge, United Kingdom. The company had a presence in over 27 countries including associates and joint ventures and in 2013/14, reported revenue in excess of £23.4 billion. [ 1 ]
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