A Bronchoscope is a very common scope used to look into the lungs and airways. The tube is inserted into the nose or mouth, continuing down the throat and into the lungs. A rigid bronchoscopy is typically done under anesthesia in a hospital. Flexible bronchoscopy is more common and usually does not require general anesthesia.
The colonoscope is perhaps the most well known of the medical endoscopes, and as the name suggests, it is inserted into the anus in order to examine the colon. The colonoscope is typically used by a gastroenterologist to find abnormalities or disease in the colon and large intestines.
The cystoscope is used to inspect the inside of a bladder. The scope is inserted through the urethra. Cystoscopy is typically performed to investigate pelvic pain, frequent infections or blood in the urine and can help find tumors and cancers, among other problems.
This scope is used in order to see the duodenum, which is at the top of the small intestine, immediately following the stomach. The scope can help diagnose and treat diseases such as pancreatic cancer or gallstones.
Gastroscopes are used to examine the inside of the stomach, and are one of the most commonly used endscopes available. They're used to inspect the food pipe, stomach and part of the duodenum. Common reasons for use include diagnosis of persistent abdominal pain and difficulty swallowing, or if stomach ulcers or certain reflux diseases may be suspected.
“Endoscope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endoscope. Accessed 19 Feb. 2020.