Hospital Bed Exit Alarm Auto-Re-Enable Mechanism
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Solution Overview
Problem
Caregivers often forget to re-enable the bed exit alarm system on hospital beds after assisting patients, leading to instances where the alarm does not sound when the patient exits the bed again, compromising patient safety.
Innovation Solution
A hospital bed with a bed exit alarm system that includes an auto-re-enable feature, where the alarm system can be silenced using a button or icon, and automatically re-enables when the patient returns to the bed, ensuring continuous alert functionality without caregiver intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the alarm silence button is used to stop the audible alarm, then the alarm function is temporarily disabled, but the caregiver must manually re-enable the alarm which may be forgotten
Solution Approach 1:
The alarm system automatically re-enables itself after a predetermined silence period without requiring caregiver intervention. The system monitors the silence button activation and autonomously restores alarm functionality, eliminating the need for manual re-enabling and ensuring continuous patient safety monitoring.
Solution Approach 2:
The system provides feedback by tracking the duration of alarm silence and automatically detecting when the predetermined silence period has elapsed. This feedback mechanism triggers the automatic re-enabling of the alarm system, ensuring that the alarm is restored based on the passage of time without requiring caregiver memory or action.
2Ease of operation
If the alarm system is manually disabled by the caregiver, then the audible alarm can be stopped, but the system requires continuous manual monitoring and re-enabling
Solution Approach 1:
The alarm system performs self-service by automatically managing its own re-enabling state. After the caregiver activates the silence button, the system independently tracks the predetermined silence period and restores alarm functionality without requiring ongoing manual control or monitoring by the caregiver.
Solution Approach 2:
The system is pre-programmed with a predetermined silence period duration. This preliminary configuration allows the alarm system to automatically know when to re-enable itself without requiring continuous manual input or complex monitoring protocols from the caregiver.
3Ease of operation
If the alarm silence button is pressed, then the audible alarm is stopped, but the alert message in the nurse call system may remain active
Solution Approach 1:
The system provides coordinated feedback by simultaneously managing both the audible alarm and the alert message status in the nurse call system. When the silence button is activated, the system tracks the predetermined silence period and automatically re-enables both the audible alarm and updates the alert message status, ensuring consistent information across all alarm channels.
Data Source
AI summary
A hospital bed has a bed exit alarm system including an audible alarm that sounds when an alert condition is detected, such as when a patient exits the bed or moves toward exiting the bed. The bed exit alarm system includes at least one user input that is used to enable the bed exit alarm system and a bed exit alarm silence input that stops the audible alarm from sounding or that prevents the alarm from sounding. The bed exit alarm system is configured such that after the bed exit alarm silence input is used, the bed exit alarm system is re-enabled automatically without any action by a caregiver in response to one or more sensors sensing that the patient is, once again, supported on the bed.