Abstract
This paper is devoted to the introduction of the community health care networking system having dynamic access control of health record of each patient, which is being developed in Mie Prefecture. The system is a closed network created on CATV network by using VPN technology. Vast varieties of health sectors in Mie prefecture have participated in this development, such as doctors working at clinics and/or hospitals, public nurses, rescue parties working at fire departments, health care administrators at the municipal and prefectural governments, etc. The network is topologically a star-like network, having a Backup-Center in the center. The largest characteristics of this system are; (1) it facilitates a dynamic control of information flow by introduction of an idea of directional access level control, (2) the automatic creation of an appropriate structure of the back-up database from DTD information, so that it can be possible to make a back-up of any records of XML format for which DTD information is known a priori, (3) and due to this property, the system can make communicate, theoretically, with any other electronic medical record (EPR) system such as ORCA, (4) to ease the mutual communication the letters of introduction and the reports to them is woven as templates of EPR. Some findings obtained through this project are also presented.
