In the s, experimenters noticed that bare speaker wires could deliver a jolt and began using recorded and live sound for electrostimulation. The tempered and evacuated glass tubes are back-filled with noble gas, causing them to emit sparks and glow with various colors when the violet wand is powered. Example of woman with electrode on the chest. These can be dangerous practices; such improvised devices not specifically designed for use on the human body can easily cause injury. Homemade power sources[ edit ] Some people craft "homemade" electrostimulation power sources, or adapt or modify commercial products such as a Hifi or DVD system that were never intended for electrostimulation of the human body. The pads used with TENS units are also used in the sexual application of electrostimulation. Some people soon found alternative uses for the Relax-A-Cizors by placing the contacts on sexual parts of the body. In the s, insertable electrode attachments for small magnetos could be purchased.
Many of the boxes are portable and can be powered by batteries or come with built-in rechargeable batteries. There are also electrified nipple and breast electrodes available, but while there is disagreement within the e-stim community about their safety the most commonly held consensus is 'only below the waist'. Units which can be powered by a 9 volt battery are preferable to those plugged into mains as they reduce the risk of accidental injury. At that time, there were no professionally made attachments for such play, so people built their own out of copper plumbing parts and other metal pieces with attention to resistors placed in series with the human parts to control the current for safety. Second the insulation of most devices is not suited for medical equipment. Devices with multiple channels e. Electrodes[ edit ] An electrode is used to deliver the actual electrostimulation to the body. Later in the s, various electric belts some complete with "suspensory sack" were advertised as cures for impotence. In the s the first devices manufactured specifically for erotic electrostimulation became available, in particular the Titillator and the Pleasure Box, later known as the PES Power Box. The general rule for electrostimulation is 'only below the waist'. The use of electricity for entertainment purposes dates back at least as early as the s. For example, a transient over-voltage on the mains input can damage the isolation of the transformer, resulting in the output terminals becoming live. The setups usually consist of a "box" and electrodes connected by wiring. Homemade power sources[ edit ] Some people craft "homemade" electrostimulation power sources, or adapt or modify commercial products such as a Hifi or DVD system that were never intended for electrostimulation of the human body. It imposes the following limits on the output parameters of stimulators for therapeutic purposes: First the device can supply too much power. Violet wands[ edit ] Erotec Violet Wand, from Violet wands were originally electric and neon testers, but are now split into two types: Violet wands can deliver a variety of sharp, cutting, or piercing type sensations. Typical erotic electrostimulation devices use pulse frequencies in the range — Hz, where skin nerves are most sensitive. Both types usually allow for adjustments of frequency and power output levels, some with complex preset "programs" and computer controls. Some people soon found alternative uses for the Relax-A-Cizors by placing the contacts on sexual parts of the body. The first analog devices became popular during the mids, and during the late s digital devices also became available. By the s, medical TENS transcutaneous electrical nerve stimulation units were also being used for electrostimulation. Although early e-stim units used only a simple, pulsed , sinusoidal wave , newer units use more complex wave forms and also allow for the use of ambient sound or prerecorded wave forms like music or specially designed computer files for specific types of stimulation. The pads used with TENS units are also used in the sexual application of electrostimulation. The cone is there to prevent sparks jumping from the collet directly to subject. Placing electrodes anywhere on the chest is risking current passing through the heart, which risks cardiac arrhythmia or arrest.
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