Medical device with dual communications bus

US6880034B2 · kind B2 · utility

Assignee

• Fresenius Medical Care Deutschland GmbH · DE

Inventors

• Joachim Manke · Nordhausen, DE
• Peter Scheunert · Friedrichsdorf, DE

Key dates

• Filing date: Sep 20, 2002
• Grant date: Apr 12, 2005
• Expiry date: Apr 30, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02D30/50
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A medical appliance having an auxiliary computer system in addition to its action computer system, and further having two communications buses. The auxiliary computer system independently monitors the functional mode of the action computer system and can induce a reliable state of the appliance in an emergency. To easily, quickly and reliably implement a programming, the execution of test sequences, the diagnosis and the maintenance of such an appliance, a connection line, which can be interrupted by a switch, is arrange between the communication buses, and both communications buses can be connected to form a unified communications bus via the communication line. A method for executing such a programming process, testing process, diagnostic process and/or maintenance process of a medical appliance is also provided.