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Portable Universal Medical Information System Disclosure Number: IPCOM000031422D
Publication Date: 2004-Sep-24
Document File: 4 page(s) / 77K

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Portable Universal Medical Information System

Frank Penning, Shivan Ramdhiansing, 19-08-2003

Background of the invention

There has always been a search for optimal efficiency in medical information systems mainly through use of IT-systems. The innovative cardio department of the "Leids Universitair Medisch Centrum" hospital has started setting up a central database, CARIS, about ten years ago. This electronic database contains waiting lists, test results, electrocardiograms, patient records and clinical letters. Manipulating and entering data is already done through wirelessly connected web-tablets (WiFi) and will be fully operational by the end of 2003. At a later stage PDA's will also be connected to CARIS. Two other hospitals in the Netherlands, Leyenburg and Rijnland, are also connected to the LUMC network. LUMC is taking the initiative in a new, expanding market by giving demo's to other internal departments and hospitals. However, setting up networks is a highly capital-intensive and time-consuming business from which benefits can only be seen after a long period of time.

At the LUMC cardio department there is a need that their patients suffering from cardiac insufficiencies also carry along certain vital medical information in situations where there is no connection available to CARIS, their central database. Several items are necessary to enable immediate attention to a patient with a cardiac insufficiency:

Clinical letters containing history of cardiac events.

Old and new ECG's.

List of medication.

X-thorax (several MB's): x-ray image of heart and lungs.

On a more macroscopic level, the European Union previously has considered introducing a health-card that citizens of all Member States could carry to help facilitate the provision of healthcare throughout the EU [1]. Such a card would ensure care providers in a country to access medical information from those patients that do not reside in this country. Now, in the wake of the EU's failure to introduce such a card, several Member State's have developed their own incompatible health-card technologies, like France and Germany. Because these cards make use of a network, which is not always available, to access patient information a new universal solution independent networks should be introduced.


Usefulness of a central database (like CARIS) is limited by it's accessibility. Therefore, situations can occur where:

The patient requires immediate medical attention, but direct access to vital medical information in the database is not feasible.

Connecting to a network may be too slow in case of a medical emergency.

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Provide known patients in medical emergency situations with a portable stand-alone device with local storage potential enabling immediate retrieval of vital medical information by authorities. Proposed is (see fig. 1):

A portable stand-alone device with display and user interface for viewing vital medical information without auxiliary devi...