In most instances, Medicare pays 80% of the approved amount of doctor bills; you or your medigap plan pay the remaining 20%, if your doctor accepts assignment of that amount as the full amount of your bill. Most doctors who treat Medicare patients will accept assignment.
An Ambu bag is a trademarked brand of hand-held, self-inflating resuscitators used by medical personnel to provide an emergency air supply to patients. It was developed in 1956.... Star Gazing
I use it roughly 4 times a week in a boxing circuit workout which I jump between heavy bag, speed bag, ground work ( mma cardio is great) and the double end bag. I probably get 2 hours of work weekly on this bag alone and to be honest the ceiling where the bag was attached fell down and the bag is still fine. Remember the double end bag is to work rhythm and accuracy, not to see how hard you can punch. All in all I think this is a good bag.