A bidet (US: // (listen) or UK: //) is a plumbing fixture or type of sink intended for washing the genitalia, perineum, inner buttocks, and anus of the human body. It may be located next to the toilet in the toilet room. Fixtures that combine a toilet seat with a bidet, which may be electronic, are available.
Bidets are primarily used to wash and clean the genitalia, perineum, inner buttocks, and anus. Some bidets have a vertical jet intended to give easy access for washing and rinsing the perineum and anal area. The traditional separate bidet is like a wash-basin, and can be used for many other purposes such as washing feet.
A bidet shower (also known as "bidet spray", "bidet sprayer", or "health faucet") is a hand-held triggered nozzle, similar to that on a kitchen sink sprayer, that delivers a spray of water to assist in anal cleansing and cleaning the genitals after defecation and urination. In contrast to a bidet that is integrated with the toilet, a bidet shower has to be held by the hands, and cleaning does not take place automatically. Bidet showers are common in countries where water is considered essential for anal cleansing.
Drawbacks include the possibility of wetting a user's clothing if used carelessly. In addition, a user must be reasonably mobile and flexible to use a hand-held bidet shower.
Conventional or standalone bidetEdit
A bidet is a plumbing fixture that is installed as a separate unit in the bathroom besides toilet, shower and sink, which users have to straddle. Some bidets resemble a large hand basin, with taps and a stopper so they can be filled up; other designs have a nozzle that squirts a jet of water to aid in cleansing.
There are bidets that are attachable to toilet bowls, saving space and without the need to plumb in an additional unit. A bidet may be a movable or fixed nozzle attached to an existing toilet on back or side toilet rim, or replacing the toilet seat. In these cases, their use is restricted to cleaning the anus and genitals. Some bidets of this type produce a vertical water jet and others a more or less oblique one. Others have one nozzle on the side rim for both anal and genital areas, and other designs have two nozzles on the back rim, the shorter one, called the "family nozzle", is used for washing the area around the anus, and the longer one ("bidet nozzle") is designed for washing the vulva.
Such attachable bidets (also called "combined toilets", "bidet attachments", or "add-on bidets") are controlled either mechanically, by turning a valve, or electronically. Electronic bidets are controlled with waterproof electrical switches rather than a manual valve. There are models that have a heating element which blows warm air to dry the user after washing, that offer heated seats, wireless remote controls, illumination through built in night lights, or built in deodorizers and activated carbon filters to remove odors. Further refinements include adjustable water pressure, temperature compensation, and directional spray control. Where bathroom appearance is of concern, under-the-seat mounting types have become more popular.
An add-on bidet typically connects to the existing water supply of a toilet via the addition of a threaded tee pipe adapter, and requires no soldering or other plumbing work. Electronic add-on bidets also require a GFCI protected grounded electrical outlet.
Usage and healthEdit
Contrarily to beliefs in non-bidet countries, the use of bidet is not an alternative to the use of toilet paper.[where?] A typical usage sequence for a bidet is: wiping anus area using toilet paper first; moving to the bidet, using one hand to rinse anus area with water only; then washing area with both water and soap and rinsing again. Drying the area is not always a necessity but easily accomplished with one or two sheets of toilet paper. Disinfecting the bidet with a disinfectant bathroom spray after use is customary at home.
Personal hygiene is improved and maintained more accurately and easily with the use of both toilet paper and a bidet as compared to the use of toilet paper alone. Addressing hemorrhoids and genital health issues might also be facilitated by the use of bidet fixtures.
Because of the large surface of the sink, after-use and routine disinfection of stand-alone bidets requires accuracy, or microbial contamination from one user to the next could take place. Bidet attachments are sometimes included on hospital toilets because of their utility in maintaining hygiene. Warm-water bidets may harbor dangerous microbes if not properly disinfected.
From an environmental standpoint, bidets can reduce the need for toilet paper. Considering that an average person uses only 1⁄8 US gal (0.47 l) of water for cleansing once using a bidet, much less water is used than for making toilet paper. An article in Scientific American concluded that using a bidet is "much less stressful on the environment than using paper". Scientific American has reported that if the US switched to using bidets, 15 million trees could be saved every year.
Society and cultureEdit
In Islam there are many strict rules concerning excretion; in particular anal washing with water is a strong recommendation. Consequently in Middle Eastern regions where Islam is the predominant religion, water for anal washing is provided in most toilets, usually in the form of a hand-held "bidet shower" or shattaf.
Bidets are becoming increasingly popular with the ageing community, or for use among people with physical disabilities. These combined units make independent toileting possible for many people, affording greater independence. These are often special units with higher toilet seats allowing easier wheelchair transfer, and with some form of electronic remote control that benefits an individual with limited mobility or requiring assistance.
Bidets are common bathroom fixtures in many southern European countries, especially Italy, where they are found in 97% of households (the installation of a bidet in a bathroom has been mandatory since 1975), Spain (but in the last times new or renewed houses tend to have bathrooms without bidets, except the luxurious ones), and Portugal (installation is mandatory also since 1975). Within Europe they are often found in Albania, Bosnia and Herzegovina, Croatia, France, Germany, Hungary, Slovenia, Malta, and Greece. Outside of Europe, they are very popular in some South American countries, particularly Argentina, Paraguay and Uruguay. Electronic bidet-integrated toilets, often with functions such as toilet seat warming, are commonly found in Japan.
In 1980, the first "paperless toilet" was launched in Japan by manufacturer Toto, a combination of toilet and bidet which also dries the user after washing. These combination toilet-bidets (washlet) with seat warmers, or attachable bidets are particularly popular in Japan and South Korea, and are found in approximately 76% of Japanese households as of 2015[update]. They are commonly found in hotels and some public facilities. These bidet-toilets, along with toilet seat and bidet units (to convert an existing toilet) are sold in many countries, including the United States.
Bidet seat conversions are much easier and lower cost to install than traditional bidets, and have disrupted the market for the older fixtures. The lack of acceptance can be explained by the aggressive marketing of toilet paper producers. The growing popularity can be explained by it being more environmentally friendly compared to the toilet paper.  After a slow start in the 1990s, electronic bidets became more popular in the United States.
Bidet is a French word for "pony", and in Old French, bider meant "to trot". This etymology comes from the notion that one "rides" or straddles a bidet much like a pony is ridden. The word "bidet" was used in 15th century France to refer to the pet ponies that French royalty kept.
The bidet appears to have been an invention of French furniture makers in the late 17th century, although no exact date or inventor is known. The earliest written reference to the bidet is in 1726 in Italy. Even though there are records of Maria Carolina of Austria, Queen of Naples and Sicily, requesting a bidet for her personal bathroom in the Royal Palace of Caserta in the second half of the 18th century, the bidet did not diffuse in Italy until after WWII. The bidet is possibly associated with the chamber pot and the bourdaloue, the latter being a small, hand-held chamber pot.
Historical antecedents and early functions of the bidet are believed to include devices used for contraception. Bidets are considered ineffective by today's standards of contraception, and their use for this function was quickly abandoned and forgotten with the advent of modern contraceptives such as the pill.
In the United States in 1928 John Harvey Kellogg applied for a patent on an "anal douche". In his application, he uses the term to describe a system comparable to what today might be called a bidet nozzle which can be attached to a toilet to perform anal cleansing with water.[original research?]
In 1965 the American Bidet Company featured an adjustable spray nozzle and warm water option seeking to make the bidet a household item.
The early 1980s saw the introduction of the electronic bidet from Japan, with names such as Clean Sense, Galaxy, Infinity, Novita, and of non-electric attachments such as Gobidet. These devices have attachments that connect to existing toilet water supplies, and can be used for bathrooms lacking the space for both a separate bidet and toilet having advantages such as instant heating warm water, night lights and a heated seat.
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- J UOEH. 2014 Jun 1;36(2):135-9. A survey on bacterial contamination of lavage water in electric warm-water lavage toilet seats and of the gluteal cleft after lavage.Katano H1, Yokoyama K
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- Decreto ministeriale Sanità, 5 July 1975, art. 7.
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- Decreto-Lei n.º 650/75 de 18 de Novembro (in Portuguese), 18 November 1975, art. 84
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- Made in Naples. Come Napoli ha civilizzato l'Europa (e come continua a farlo) [Made in Naples. How Naples civilised Europe (And still does it)] (in Italian). Addictions-Magenes Editoriale. 2013. ISBN 978-8866490395.
- Bullough, Verne (2001). Encyclopedia of Birth Control. ABC-CLIO.
- Museum of Contraception and Abortion. "The bidet is for vaginal rinsing".
- A United States patent US1787481 A, John Harvey Kellogg, "Anal douche", published Jan 6, 1931