Urinary stone at which types?

In order to carry out the causes of urinary stone analysis to the treatment of urinary stone should be classified.
According to the causes of urinary stones, stones can be divided into primary and secondary calculus calculus two categories. Stone could not find clear general primary reasons. Secondary stones can be found in the causes, such as; obstruction, infection, foreign bodies, and so on.
According to the site of urinary stones, stones can be divided into upper urinary tract stones and urinary tract stones under two categories. , Including kidney stones and urinary tract stones ureteral stones; lower urinary tract stones include bladder stones and urinary tract stones.
According to the composition of urinary stones, stones can be divided into calcium stones (such as: calcium oxalate and calcium phosphate), infection stones (mainly composed of magnesium ammonium phosphate and hydroxyapatite), uric acid stones (uric acid and urine ammonium perchlorate), such as cystine calculi.
Stone by stone purity can be divided into pure and mixed stone stone. The former contains only a component, but the fact of the net really is very little stones latter contains a variety of components. According to the activities of urinary stones can be divided into stone metabolic activity and metabolic activity of non-calculus two categories.