1.   Arterial Vascular makes tiny flexible tubes called stents that are inserted to prop open clogged arteries.

2.   A colonoscopy is a test in which a flexible tube is passed through the anus and rectum up into the intestine.

3.   A doctor uses an instrument to grasp and pull her cervix open, inserts a flexible plastic tube into the uterus, and suctions out its contents.

4.   A colonoscopy is a test in which a flexible tube is passed through the anus and rectum into the intestine.

5.   A flexible tube containing a tiny camera will be used to view the colon and identify any polyps.

6.   Endoscopes are flexible tubes containing optical fibers that can be threaded through small incisions in the skin, giving surgeons magnified views of internal organs.

7.   In the invasive test at issue, coronary angiography, dye is injected into coronary arteries through a flexible tube inserted into the heart.

8.   Minimally invasive surgery is performed through small cuts in the body, using cameras mounted on flexible tubes.

9.   Using a flexible tube with a built-in camera and lights, the doctor looks at the lower third of the large intestine.

10.   Both sigmoidoscopy and colonoscopy use a flexible tube that is inserted in the rectum to examine the large intestine for cancerous or precancerous polyps.