11. However, Enfield suffered another major setback when an arthroscope test showed he still had cartilage damage. 12. In January, the Polish native, living in Chicago, had an arthroscope on his left knee. 13. In arthroscopic surgery, a flexible viewing tube called an arthroscope lets the surgeon see inside a joint. 14. It is also helping to find a way to make an arthroscope smaller than a strand of hair. 15. A surgical instrument called an arthroscope is used to introduce irrigation fluid under pressure to distend the joint. 16. They first use an arthroscope to harvest a tiny slice of cartilage from a healthy part of the knee. 17. One bronze sculpture showed a surgeon's disembodied hands plunging an arthroscope into a life-sized knee. 18. The arthroscope includes a small ( typically 4 mm in diameter ) optic scope rod to view the joint. 19. First the doctors used an arthroscope to harvest a tiny slice of cartilage from a healthy part of the knee. 20. This is then followed by the ACL reconstruction which is also performed at the same operation and also through the arthroscope .