as shown more clearly in the perspective view of fig2 a hose 62 communicates the selected medicated fluid from the tank 36 to the dispenser 24 through a flow control valve assembly 66 fig4 a is a fragmentary top view of the flow control valve assembly 66 of the hemorrhoid treatment system 10 of the present invention fig4 b is a fragmentary side view of the flow control valve assembly 66 of the hemorrhoid treatment system 10 of the present invention as shown in fig4 a the hose 62 from the tank 36 is connected to the valve 66 via a coupling 68 an internal coupling arrangement connects the hose 62 to the center tube 72 of a tube within a tube hose 74 the hose 74 is in turn connected to the dispenser 24 a manually actuatable flow control valve 76 is mounted in line between the hose 74 and a source of water see also the fragmentary side view of fig4 b as illustrated in fig5 the flow control valve assembly 66 is connected to the water supply by a pipe 77 when the flow control valve 76 is open water flows through the hose 74 about the inner tube thereof fluid flow from the tank 36 may be restricted in the inner tube by a pinch valve 64 see fig2 the pinch valve serves to prevent continuous dribbling of the medications in the tank when the pump is not in use as shown in fig2 the hose 74 is connected to the dispenser 24 through a tubular t shaped support 78 shown primarily in phantom in the lower portion of the lid 26 of the seat of the toilet 12 the support 78 rigidly connects the.