Patent ID: 6595948
Filing Date: 2003-07-22
Classification: A61M

Abstract:
A peritoneal dialysis apparatus on which a disposable cassette, integrally formed with a fluid distributing diaphragm, a heating portion and a flow path switching portion, is loaded and which is used by connecting to a dialysis fluid container storing a dialysis fluid and a drained fluid container, comprising:a body provided with an operating portion and a display; cassette loading means for detachably loading the cassette; pumping actuating means for setting the diaphragm in a positive pressure state and negative pressure state, after the cassette is loaded, to distribute the fluid from the dialysis fluid container and to the drained fluid container; heater means for heating an amount of dialysis fluid to a patient's body temperature while the dialysis fluid stays in the heating portion so that the heating portion is heated from both upper and lower sides after the cassette is loaded; flow path switching means connected to a plurality of said dialysis fluid containers and which is made of flexible tubes and a plurality of dampers for opening/closing the flow path switching portion in order to form a flow path through which the heated dialysis fluid heated by said heater means is distributed into a peritoneal cavity of a patient and, after a period of time elapses, the dialysis fluid is sucked and drained from the peritoneal cavity; and control means connected to the operating portion, the display, said pumping actuating means, said heater, an said flow path switching means for controlling operation of the operating portion, the display, said pumping actuating means, said heater, and said flow path switching means.