Patient Support–Headwall Wireless Syncing to Prevent Settings Mismatch
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Solution Overview
Problem
Existing hospital beds and headwall units often experience mismatches in settings due to communication link issues, leading to potential errors and undesirable conditions.
Innovation Solution
A syncing process is implemented between patient support apparatuses and headwall units using wireless transceivers and controllers to ensure that settings on both devices match upon initial communication link establishment, including synchronization of state values for lights, nurse call requests, priority alerts, and television controls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless communication link is used between patient support apparatus and headwall unit, then ease of operation is improved, but reliability deteriorates due to potential mismatches in settings
Solution Approach 1:
The system performs a preliminary synchronization action when the wireless communication link is first established. The controller automatically compares and syncs settings (such as light levels, television volume, and other parameters) between the patient support apparatus and headwall unit before normal operation begins, preventing mismatches from occurring in the first place
2Reliability
If settings synchronization is implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The controller performs self-service by automatically detecting and synchronizing settings without requiring manual intervention. The system autonomously compares its own settings with those of the headwall unit and makes necessary adjustments, eliminating the need for complex manual configuration procedures while maintaining reliability
Data Source
AI summary
A wireless communication system for exchanging messages between a patient support apparatus and a headwall unit includes a syncing function wherein certain settings that are present in the headwall unit before a communication link is established with the patient support apparatus are synced with values for those settings that come from the patient support apparatus after the communication link is initially established. Similarly, certain settings that are present in the patient support apparatus before the communication link is established are synced with values for those settings that come from the headwall unit after the communication link is initially established. The syncing function thereby ensures that, upon the initial establishment of the communication link, the patient support apparatus settings will match the headwall settings, and vice versa.