Remote Display Data Transfer with Graphical Masking
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Solution Overview
Problem
Existing methods for remote maintenance of medical technology systems fail to effectively protect confidential patient data from unauthorized access during remote administration, as they often require complex modifications and interrupt the measurement workflow, and existing tools transfer screen content in a compressed form, making it difficult to differentiate and mask sensitive data.
Innovation Solution
The method uses graphical features such as color tone, saturation, and brightness parameters to mark and filter out patient data regions on the screen, allowing for coordinate-independent filtering and masking of sensitive data during remote data transfer, ensuring confidentiality without requiring extensive changes to the local control program or remote maintenance software.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If screen content is transferred in compressed form using existing remote maintenance tools, then data transfer efficiency is improved, but the ability to differentiate and mask sensitive data is lost
Solution Approach 1:
The patent applies preliminary action by marking sensitive data regions with specific graphical features (such as background color codes) before the remote maintenance session begins. This pre-marking allows the administration tool to identify and mask sensitive areas during data transfer, maintaining both transfer efficiency and data differentiation capability. The local control program prepares the display by embedding these graphical markers that the remote tool can subsequently recognize and act upon.
2Reliability
If selective masking of patient data is implemented, then data protection is improved, but the complexity of the control program increases
Solution Approach 1:
The patent applies local quality by assigning specific graphical features (such as distinct background colors) to only the sensitive data regions that require protection, rather than modifying the entire system. This localized approach allows the local control program to maintain its existing functionality while adding a simple marking mechanism for sensitive areas. The administration tool then uses these local markers to selectively mask only the marked regions, achieving data protection without requiring comprehensive program modifications.
3Reliability
If black out of screen fields is implemented during remote access, then data confidentiality is improved, but workflow continuity is interrupted
Solution Approach 1:
The patent introduces an intermediary mechanism - graphical markers with specific background color codes - that enable selective data protection without disrupting the workflow. These markers act as intermediaries between the local control program and the remote administration tool, allowing the remote tool to identify and mask sensitive regions automatically. This eliminates the need for manual black-out operations that would interrupt the workflow, as the masking is performed automatically based on the pre-established graphical markers.
Data Source
AI summary
A method for exchanging image data with a number of image elements, which are respectively parameterized by a display value set, between a data source computer and a data query computer that each have a display device for the presentation of the image data, an input device for the input of control commands, and a data interface for the transmission and the reception of data via a remote data transfer network, including the steps: of copying image data on the data source computer and transmission to the data query computer, receiving the image data from the data source computer by the data query computer, and presentation of the image data on the display device of the data query computer, and these steps are repeated regularly or given alteration of image data. In order to selectively transfer among all data the public data but to have confidential data remain excluded from the transfer or at least the presentation on the receiving computer, the presentation of the image data is discriminated dependent on at least one of the display values in the display value set.