Surgical drainage tube

Claim 1

IN A SURGICAL DRAINAGE SYSTEM FOR CONDUCTING FLUIDS FROM THE BODY OF A PATIENT TO A COLLECTION RECEPTACLE WHICH SYSTEM COMPRISES A CATHETER, A SURGICAL DRAINAGE TUBE COMMUNICATING WITH SAID CATHETER, AND A FLUID COLLECTION VESSEL, THE IMPROVED SURGICAL DRAINAGE TUBE WHICH COMPRISES A LENGTH OF FLEXIBLE RESILIENT TUBING HAVING A CATHETER ADAPTER AT ONE END, MEANS FOR INTERRUPTING THE FLUID PATH OF LIQUIDS PASSING THROUGH SAID TUBING, SAID MEANS COMPRISING A TRANSPARENT CHAMBER POSITIONED IN TERMEDIATE THE LENGTH OF SAID TUBING, SAID CHAMBER HAVING AN INLET AND AN OUTLET COMMUNICATING WITH SAID TUBING, THE INLET BEING PROVIDED WITH AN INLET TUBE WHICH IS CONNECTED TO AND COMMUNICATES WITH THE RESILIENT FLEXIBLE TUBING, SAID INLET TUBE PROJECTING PARTIALLY INTO AND TERMINATING WITHIN SAID CHAMBER, SAID CHAMBER BEING SO CONSTRUCTED THAT A SUFFICIENTLY LARGE INTERNAL DIAMETER IS FORMED AND MAINTAINED WITHIN SAID CHAMBER AT THE POINT AT WHICH THE INLET TUBE TERMINATES SO THAT THE INLET TUBE DOES NOT CONTACT THE SIDES OF SAID CHAMBER, AND MEANS ASSOCIATED WITH SAID CHAMBER FOR SUSPENDING AND FASTENING SAID CHAMBER IN A SUBSTANTIALLY VERTICAL POSITION.