Developing a Device for Automated Peritoneal Dialysis

Shiraz University of Medical Sciences

A. Heidarnejad¹  H. Najafi²  M. Rostami-Ghomi³  M. N. Ashtiani⁴ 

[1]Control and Intelligent Processing Center of Excellence, School of Electrical and Computer Engineering, University of Tehran, Tehran, Iran

[2]Department of Physics, University of Velayat, Iranshahr, Iran

[3]Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran

[4]Laboratory of Biomechanical Researches, Mechanical Engineering Department, Sahand University of Technology, Tabriz, Iran, and Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran

关键词: Renal disorders;    end-stage renal disease;    peritoneal dialysis;    hemodialysis;   

DOI  :  

学科分类：生物科学（综合）

来源: Shiraz University of Medical Sciences

【 摘 要 】

Background:Peritoneal dialysis (PD) is an efficient alternative for hemodialysis. Removal of waste metabolites and excess water from the blood circulation are the two main tasks done during dialysis. These are done by using a filter; in PD, the naturally semi-permeable peritoneal membrane acts as the filter. Automated PD machines control intelligently the operations to enhance the efficiency and survival of patients. Available PD devices, however, have several limitations. Objective:To develop a novel portable automated PD device to be worn by patients.Methods:The developed device has a peristaltic pump to produce a steady dialysate flow, two flowmeters to measure the volume of dialysate, and a servomotor-actuated triway valve to conduct the dialysate to the right path. Moreover, to disinfect the permanent tubes inside the device an external steam sterilizer was designed. Electrical power of the device is supplied by rechargeable batteries.Results:Tests of a 16×12.5×6 cm3 device revealed that the three phases of dialysis, i.e., injection, dwelling, and drainage, were efficiently performed, and the alarms acted properly.Conclusion:This newly designed automated PD can surmount the social isolation dilemmas of either children or adults, and notably improve their life quality.

【 授权许可】

CC BY