Kidney stone disease One ureteroscopic technique involves the placement of a ureteral stent (a small tube extending from the bladder, up the ureter and into the kidney) to provide immediate relief of an obstructed kidney. Stent placement can be useful for saving a kidney at risk for postrenal acute renal failure due to the increased hydrostatic pressure, swelling and infection (pyelonephritis and pyonephrosis) caused by an obstructing stone. Ureteral stents vary in length from and most have a shape commonly referred to as a "double-J" or "double pigtail", because of the curl at both ends. They are designed to allow urine to flow
Bladder fiddle was used by traveling musicians. The drum, made of an inflated animal bladder or taut animal hide, is secured to the centre of a long stick. A thick string is then attached to each end of the stick, securing the bladder. It is usually played standing upright by drawing the bow over the string. A related instrument was preserved amongst the Pennsylvania Dutch (German immigrant to the rural Eastern United States), and is known as a boom-ba. In Venezuela, the bladder fiddle is known as "marimba, tarimba, guarumba, guasdua, and carangano". Bladder fiddle The bladder fiddle (also known as bumbass