Patent · US Active

Technical medical device having a touchscreen and method

US9189597B2 · kind B2 · utility

9Cited by

8References

19Claims

0Family size

Assignee

Fresenius Medical Care Deutschland GmbH · DE

Inventors

Holger Bluemler · Friedrichsdorf, DE
Wolfgang Wehmeyer · Tübingen, DE

Key dates

Filing date	Feb 14, 2012
Grant date	Nov 17, 2015
Priority date	—
Expiry date	Aug 18, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG16H40/63
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A medical device is configured such that operator inputs are more convenient and more reliable via a touchscreen display. The medical device includes a touchscreen having two redundant finger-position sensors. At least one of the sensors has additional piezoelectric elements, which can modify at least partial areas of the touchscreen such that the sensors are differentiated from their surrounding areas by an elevation, a recess, a vibration or a change in the surface roughness sensed. A control unit differentiates intentional and unintentional operating entries, and in the event of failure of the visual display device of the touchscreen display ensures at least a restricted operability of the touchscreen display.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.