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Original Article

A depository health-computer network

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Pages 167-178 | Published online: 12 Jul 2009
 

Abstract

Many recent experiences with medical computer systems have clearly shown that the nature of the human/computer interaction remains the critical problem. We suggest that the first step in attacking this problem is the development of a depository health-science network that provides an easy user interface in both information management and in effective inter-user communication.

Such a depository network would consist of two types of node: the depository node and the local node. The depository node would be an information centre through which the local nodes would deposit, retrieve and transfer information. The local node would provide computational power and would support the man/machine interface to users. When a local node was approximately self-sufficient, its communication to the outside world would be reduced to a minimum. To achieve a desirable cost/benefit ratio from a local node, a group of users must share one system. However, this system should be small enough for local control, both administrative and technical, to be possible. The major elements of information exchanges between the local node and the depository node would be the patient record and the health-oriented computer-assisted instructional lesson.

L'expérience des systèmes informatiques médicaux montre clairement que le dialogue homme/niachine reste le point critique. La première étape pour aborder ce problème consiste à développer un réseau è usage médical. Ce dernier fournit un système souple à la fois pour la gestion et la communication entre utilisateurs. Un tel réseau comporte deux sortes de noeuds: les noeuds dépositaires et les noeuds locaux. Un noeud dépositaire est un centre d'information au niveau duquel les noeuds locaux enregistrent, recherchent et transfèrent l'information. Un noeud local est un centre de traitement de l'information et supporte l'interface homme/machine. Lorsqu'un noeud local se suffit à hi-měme, sa communication avec le reste du réseau est réduite au minimum. Pour obtenir, au niveau d'un noeud local, le rapport coût/bénéfice désiré, plusieurs utilisateurs doivent partager la système. Cependant, ce dernier doit ětre suffisarnment petit pour permettre un contrôle administratif et technique local. Les principales informations échangées entre le noeud local et le noeud dépositaire portent sur les dossiers médicaux et l'enseignement assisté par ordinateur.

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