Sleep-Aware Medical Alert Control for Insulin Device Users
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Solution Overview
Problem
Existing medical devices, such as insulin infusion devices, generate alerts that can be disruptive during sleep, affecting patient rest and potentially compromising their effectiveness.
Innovation Solution
A system that detects a user's sleeping status and adjusts alert generation and output accordingly, silencing alerts, queuing them for later presentation, changing output types, or activating a sleep mode alerting scheme.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If alerts are generated and output continuously to ensure timely notification of medical device status and patient safety, then patient safety and device monitoring are improved, but patient sleep quality deteriorates due to alert disruptions
Solution Approach 1:
The alerting system dynamically adjusts its behavior based on detected sleeping status. When sleep is detected through motion sensors or user input, the system transitions from a high-alert state to a low-alert state, suppressing non-critical notifications. This dynamic adaptation allows the system to maintain patient safety monitoring while minimizing sleep disruptions, resolving the contradiction between reliable monitoring and sleep quality.
Solution Approach 2:
The system changes the parameters of alert output based on sleeping status. During sleep periods, alert parameters are modified to reduce volume, frequency, or visual intensity. Critical alerts maintain full parameters while non-critical alerts are suppressed or delayed. This parameter adjustment allows the system to preserve essential safety monitoring while reducing harmful sleep disruptions.
2Loss of time
If all alerts are presented immediately to ensure timely patient safety monitoring, then response time to critical events is improved, but patient comfort and sleep quality worsen
Solution Approach 1:
The system performs preliminary detection of sleeping status before presenting alerts. When sleep is detected, the system proactively adjusts alert presentation in advance, preventing wakeful disruptions. This preliminary action allows the system to maintain rapid response capability for critical events while preemptively protecting patient comfort during sleep periods.
Solution Approach 2:
The system introduces an intermediary alert queue that buffers between alert generation and alert presentation. Non-critical alerts are placed in the queue and presented at appropriate times, while critical alerts bypass the queue for immediate presentation. This intermediary mechanism decouples the timing of alert generation from alert presentation, enabling fast response to critical events while maintaining patient comfort.
3Loss of information
If the alerting system provides comprehensive notifications for all device status changes, then information completeness is improved, but alert intrusiveness during sleep increases
Solution Approach 1:
The system applies different alert presentation qualities to different types of alerts based on sleeping status. Critical safety alerts maintain full information completeness and aggressive presentation, while non-critical informational alerts are suppressed or presented with reduced intensity. This local differentiation allows the system to preserve essential information delivery while reducing intrusiveness during sleep periods.
Solution Approach 2:
The alerting system segments alerts into critical and non-critical categories, applying different presentation rules to each segment. Critical alerts related to patient safety are presented immediately with full information, while non-critical alerts are delayed or suppressed during sleep. This segmentation allows the system to maintain information completeness for essential alerts while reducing overall intrusiveness.
Data Source
AI summary
Techniques disclosed herein relate generally to alert management based on sleeping status. In some embodiments, the techniques involve obtaining user status data indicative of a sleeping status of a user of a medical device, and controlling alert generation and output associated with the medical device in accordance with the sleeping status of the user.