Medicare spends an average of $16,500 to $33,000 per patient for the surgery, hospitalization, and recovery from hip and knee replacements, but depending on the provider and where the treatment takes place, the quality and cost of these surgeries can vary greatly.edicare spends an average of $16,500 to $33,000 per patient for the surgery, hospitalization, and recovery from hip and knee replacements, but depending on the provider and where the treatment takes place, the quality and cost of these surgeries can vary greatly.
Ledge means a piece of masonry or wood or stone that juts out into an open space. A mountain climber might use a ledge of rock to support his body from falling, for example.
trough. 1. a long, narrow, open receptacle, usu. boxlike in shape, used chiefly to hold water or food for animals. 2. any of several similarly shaped receptacles used for various commercial or household purposes. 3. a channel or conduit for conveying water, as a gutter under the eaves of a building. 4. any long depression or hollow. 5. a long, wide, and deep depression in the ocean floor having gently sloping sides, wider and shallower than a trench. 6. an elongated area of relatively low barometric pressure.