endoscope

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endoscope,

any instrument used to look inside the body. Usually consisting of a fiber-optic tube attached to a viewing device, endoscopes are used to explore and biopsy such areas as the colon and the bronchi of the lungs. Endoscopes employing miniature television cameras and tiny surgical implements now allow exploration and endoscopic surgery through small incisions; such surgery is much less traumatic to the patient than traditional open surgery. Laparoscopic surgery, in which the endoscope is inserted through a small incision in the abdomen or chest, is used to correct abnormalities of the ovaries and as an alternative to traditional gall bladder and chest surgery. Arthroscopic surgery is endoscopic surgery performed on joints such as the knee or shoulder.

Endoscope

 

a medical instrument for the examination of hollow organs (for example, the esophagus, stomach, and bronchi) and the abdominal and other body cavities. Endoscopes have optical and illumination systems. There are two basic types: rigid endoscopes (for example, proctoscopes), which use optical systems of lenses, and flexible fiberscopes (for example, esophago-gastroscopes), which use fiber optics. Fiberscopes make possible the examination of organs that cannot be seen with rigid endoscopes (for example, the duodenum). The optical systems of flexible endoscopes consist of numerous glass fibers (light guides), which measure 0.01–0.02 mm in diameter.

The use of endoscopes not only has made possible the examination of various organs but also has aided greatly in the visual guiding of biopsy procedures and in surgery (removal of foreign bodies and polyps, coagulation of bleeding vessels). Modern endoscopes permit complication-free examination.

endoscope

[′en·də‚skōp]
(medicine)
An instrument used to visualize the interior of a body cavity or hollow organ.
References in periodicals archive ?
An endoscopist must be affiliated with a screening centre and must have performed at least 1 000 examinations over his/ her professional lifetime.
Endoscopists at the regional and district level have many other roles that compete with the endoscopy service.
After the procedure, the endoscopist completed a questionnaire assessing the completeness of the examination (eg, whether the endoscope was advanced to the second portion of the duodenum and retroflexion was perforated), indications for the procedure, demographics, clinical findings, complications, the duration of the examination, and recovery duration were noted.
A repeated upper endoscopy was performed, and this time the endoscopist found a 9 mm nodule at the gastroesophageal junction, presumably the site of the carcinoma in the original biopsy.
The five endoscopists were blinded to the patient's preparation and asked to subjectively rate the quality of the preparation, based on the amount of residual solid or liquid stool in the sigmoid colon.
Endoscopists at Mayo Clinic in Florida already have an adenoma detection rate that is higher than the national average.
Previous research has shown that most endoscopists do not consistently agree with the follow-up intervals recommended in national guidelines and report preferences for shorter screening and surveillance intervals," said Sequist.
Moreover, the use of propofol in particular may be preferred because its faster onset /offset profile allows the endoscopist to perform more procedures per day.
Pre-assessment and referral management--identifying and managing complex cases with guidance from the Lead endoscopist.
Data were collected on cecal intubation, rectal retroversion, mean withdrawal time for the endoscopist, quality of bowel prep, use of the antispasmodic hyoscine butylbromide, start time of the procedure, and sedation use.
An endoscopist who consistently finds one adenoma per case receives the same credit towards ADR as somebody who consistently finds more than one," said Dr.