An instrument consisting of a hollow tube that can be passed through the anus into the rectum and the lower part of the large intestine for diagnosis of conditions within these organs.
A surgical instrument with a light at the end which can be passed into the rectum so that the sigmoid colon can be examined.
A type of endoscope used by doctors in visually examining the lower parts of the digestive system.
Instrument, consisting of a tube and light, inserted through the anus to allow visualization of the sigmoid colon.
An instrument inserted through the anus in order to inspect the interior of the rectum and sigmoid colon. In its commonest form it consists of a steel or chrome tube, 25 cm long and 2 cm in diameter, with some form of illumination and an air insufflation system to inflate the collapsed empty bowel.
A tubular speculum for examination of the sigmoid colon and the rectum.
A lit medical device inserted into the anus to visually inspect the lower portion of the bowel, typically reaching a depth of approximately 14 inches.