Low Frequency Transcutaneous Electrical Nerve Stimulation
Created: Sep 21, 2015
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The Transcutaneous Electrical Nerve Stimulation (TENS) is generally a treatment for pain that uses electric current to stimulate the nerves of a human body. This design is a low frequency TENS where its electrode pads are often placed on the body’s pressure points that essentially creates electrical impulses which travels along the nerve fibers. This impulse help the body produce endorphins which inhibit the transmission of pain. The device only uses a few components such as a 555 timer, capacitors, resistors and the TE Connectivity’s tactile switch.
This circuit is a low frequency TENS device that uses frequencies from 2 to 4Hz. This device helps the body produce its own endorphins and increase local blood flow to relieve pain. A 555 timer is used as a timing reference because of its fast transitions that are suitable for triggering synchronous logic circuits at precise determined intervals. The two conducting pads may be covered with foils which will be placed on the body and should be kept apart from each other.
The device can also be used for muscle development. It provides a relaxation that is as good as a massage can provide. The TENS devices are actually available to the domestic market which are used as a non-invasive nerve stimulation intended to reduce both acute and chronic pain.