Regional Oximetry Interface for Dual-Signal Trend Analysis
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Solution Overview
Problem
Existing regional oximetry systems lack effective user interaction and data communication, making it difficult for clinicians to monitor and analyze regional tissue oxygenation levels and arterial oxygen saturation levels simultaneously.
Innovation Solution
A regional oximetry system with improved user interaction, featuring a display and processor that present multiple views of physiological signals, including trend graphs and differential analyses, to facilitate easier monitoring and data interpretation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple physiological signals are monitored simultaneously, then the quantity of information provided to clinicians is improved, but the device complexity increases
Solution Approach 1:
The user interface is segmented into multiple independent view types (trend view, numeric view, alarm view) that can be displayed simultaneously in different regions of the screen. Each view processes and displays specific aspects of the physiological data independently, allowing comprehensive information presentation without overwhelming the system architecture.
Solution Approach 2:
The system transitions from single-parameter monitoring to multi-parameter simultaneous monitoring by adding temporal and spatial dimensions to the display. Multiple physiological signals are monitored along the time dimension while being presented in parallel spatial regions on the display screen, enabling comprehensive monitoring without proportional increases in physical device complexity.
2Ease of operation
If multiple views are displayed on the screen, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The display screen is segmented into multiple distinct view regions, each dedicated to specific functions (trend graphs, numeric readings, alarm status). This segmentation allows clinicians to access different types of information simultaneously without requiring complex navigation or switching between screens, improving ease of operation.
Solution Approach 2:
The user interface is designed as a universal multi-functional display system that can simultaneously present multiple view types for multiple physiological parameters. A single interface structure handles trend display, numeric display, alarm indication, and configuration functions across different signal types, reducing the need for separate specialized interfaces.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables clinicians to effectively monitor and analyze regional tissue oxygenation and arterial oxygen saturation levels, providing timely alerts and improving patient care by enhancing user interaction and data communication.
Implementation Method 1
Regional oximetry exploits the ability of light to penetrate tissue and determine hemoglobin oxygenation according to the amount of light absorbed by hemoglobin
Implementation Method 2
The measurement is taken by placing one or more sensors on a patient, frequently on the patient's left and right forehead
Data Source
AI summary
A regional oximetry system has a display and at least one processor causing a plurality of views to be displayed on the display, each configured to occupy at least a portion of the display. The views are adapted to present data responsive to at least one physiological signal. A first sensor port is configured to receive at least a first physiological signal representative of a regional tissue oxygenation level, and a second sensor port is configured to receive at least a second physiological signal representative of an arterial oxygen saturation level. One view presents a first trend graph of the first physiological signal and a second trend graph of the second physiological signal. An area between the first trend graph and the second trend graph can include a differential analysis of regional-to-central oxygen saturation.