Pre-ignition: Pre-ignition is defined as the ignition of the mixture prior to the spark plug firing. Anytime something causes the mixture in the chamber to ignite prior to the spark plug event it is classified as pre-ignition. The two are completely different and abnormal phenomenon. DETONATION.
Arthroscopy is a way to view and repair the inside of a joint. Your surgeon uses a soft, pencil-thin tube called an arthroscope. This tube has a tiny video camera, a light and fluid-exchange paths. The arthroscope, and other small instruments, are inserted into the knee joint through small incisions.
Arthroscopic meniscus repair is a casualty surgical strategy to repair torn knee ligament. The torn meniscus is renovated by a variety of negligibly obtrusive strategies and requires postoperative insurance to permit mending.