Operating Assistant for Medical Devices

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Solution Overview

Problem

Medical device operators face challenges in selecting and executing specific operating functions and control functions due to complex hierarchically structured menus, requiring extensive familiarization and prior knowledge, which can lead to lengthy familiarization phases and increased risk of errors.

Innovation Solution

An operating assistant that uses a visual display unit to depict and allow selection of operating functions and control functions, enabling operators to choose without prior knowledge, with voice control options and safety-relevant confirmations, and storing functions in an operator-specific manner.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If hierarchical menu structures with multiple operating functions and control functions are used, then the device can provide comprehensive functionality, but the operator requires extensive familiarization time and prior knowledge to select and execute specific functions

Engineering Contradiction:
Improvecomprehensive functionalityVSAvoidfamiliarization time
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent introduces an operating assistant as an intermediary between the operator and the complex hierarchical menu system. This assistant provides contextual guidance, suggests relevant operating functions and control functions based on the current state, and helps the operator navigate through the hierarchy without requiring extensive prior knowledge. The assistant acts as a mediator that translates the operator's intent into appropriate function selections while maintaining access to the full comprehensive functionality of the device.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If hierarchical menu structures with multiple levels are used, then the device can organize numerous functions systematically, but the operator cannot obtain an immediate overview of available functions without navigating through multiple levels

Engineering Contradiction:
Improvesystematic organizationVSAvoidoverview availability
Core Design Contradiction:
Device complexityVSLoss of information

Solution Approach 1:

The patent adds a new dimensional layer to the traditional hierarchical menu structure by introducing contextual information displays and overview capabilities at each level. The operating assistant provides additional information about available functions, their purposes, and relationships without requiring the operator to navigate through all hierarchical levels. This extra dimension allows simultaneous access to both systematic organization and comprehensive overview.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Speed

If voice control is implemented for selecting operating functions, then the operation speed can be increased, but safety-relevant functions require additional confirmation steps

Engineering Contradiction:
Improveoperation speedVSAvoidsafety confirmation
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The patent applies different quality requirements to different functions based on their safety relevance. For non-critical operating functions, voice control allows rapid execution without additional confirmation. For safety-relevant functions, the system automatically implements enhanced verification procedures such as requiring explicit confirmation or additional verification steps. This local differentiation of operational requirements optimizes both speed and safety according to the specific function being executed.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10474328B2Operating assistant
Publication Date: 2019.11.12 SIEMENS HEALTHINEERS AG
  • US10474328B2 patent drawing

AI summary

An operating assistant controls device units and is configured such that elements of a selected functionality are clearly presented to the operator for selection in an operator-specific manner within an overview presentation. The elements are stored in a first or subsequent hierarchy level and further elements can likewise be depicted for selection on the visual display unit and selected operating functions and/or control functions can be executed.