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A rectal or anal dilator is a medical device similar to a speculum designed to open and relax the
internal Internal may refer to: *Internality as a concept in behavioural economics *Neijia, internal styles of Chinese martial arts *Neigong or "internal skills", a type of exercise in meditation associated with Daoism *''Internal (album)'' by Safia, 2016 ...
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external anal sphincter The external anal sphincter (or sphincter ani externus ) is a flat plane of skeletal muscle fibers, elliptical in shape and intimately adherent to the skin surrounding the margin of the anus. Anatomy The external anal sphincter measures about 8 ...
and
rectum The rectum is the final straight portion of the large intestine in humans and some other mammals, and the Gastrointestinal tract, gut in others. The adult human rectum is about long, and begins at the rectosigmoid junction (the end of the s ...
in order to facilitate medical inspection or relieve
constipation Constipation is a bowel dysfunction that makes bowel movements infrequent or hard to pass. The stool is often hard and dry. Other symptoms may include abdominal pain, bloating, and feeling as if one has not completely passed the bowel movement ...
. One early version of a rectal dilator was
Dr. Young's Ideal Rectal Dilators Dr. Young's Ideal Rectal Dilators were medical devices sold in the United States from the late nineteenth century until at least the 1940s, part of the burgeoning market for patent medicine, patent and proprietary medicines and devices at the tim ...
, invented in 1892. Rectal dilators are also used as
sex toy A sex toy is an object or device that is primarily used to facilitate human sexual pleasure, such as a dildo, artificial vagina or vibrator. Many popular sex toys are designed to resemble human genitals, and may be vibrating or non-vibrating ...
s.


See also

*
Anal plug An anal plug (or anal tampon) is a medical device sometimes used to treat fecal incontinence by blocking involuntary loss of fecal material. They vary in design and composition, but are typically single-use intra-anal disposable devices made ou ...
, a medical device for treating anal incontinence *
Butt plug A butt plug is a sex toy that is designed to be inserted into the rectum for sexual pleasure. They are similar to a dildo in some ways but tend to be shorter and have a flanged end to prevent the device from being lost inside the rectum. Histor ...
, a sex toy resembling an anal dilator *
Proctoscope Proctoscopy is a common medical procedure in which an instrument called a proctoscope (also known as a rectoscope, although the latter may be a bit longer) is used to examine the anal cavity, rectum, or sigmoid colon. A proctoscope is a short, str ...
, another medical device inserted anally *
Vaginal dilator A vaginal dilator (sometimes called a vaginal trainer) is an instrument used to gently stretch the vagina. They are used when the vagina has become narrowed ( vaginal stenosis), such as after brachytherapy for gynecologic cancers, and as therapy ...
, an equivalent device for dilating the vagina


References

Medical equipment Gastroenterology Anal sex toys {{medical-equipment-stub