| abstract |
A system is provided for the placement and maintenance of stents in the urine path comprising a stent which is made of a material which is stable in the normal environment of the urine path but becomes soluble upon change of said environment in conjunction with solution for stabilizing the pH value of urine additionally comprising other solutions for removal of the stent by providing a medically administrable substance for the alkalization of urine to enable the in situ dissolution of the stent. |