Voice Warning System for Isolation Room Entry Detection
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Solution Overview
Problem
Hospitals face challenges in effectively warning visitors and staff of the necessary precautions for patients under isolation due to the frequent overlook or misplacement of passive signs, particularly in busy environments with limited space between entryways.
Innovation Solution
A system comprising a processor, memory, speaker, and programming instructions that emits preprogrammed voice warnings when a person enters a patient room, allowing authorized users to select disease-specific or isolation-type warnings, enhancing awareness of hygiene protocols without relying on passive signs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If passive signs are used to warn visitors and staff of isolation precautions, then the system is simple and inexpensive, but the signs are frequently ignored or overlooked in busy hospital environments
Solution Approach 1:
The patent replaces passive mechanical signs with an active electronic warning system that uses sensors to detect entry and triggers voice warnings through a speaker. This substitution transforms the warning mechanism from a static visual sign to a dynamic auditory system that actively communicates precautions to entering individuals.
Solution Approach 2:
The patent introduces a microcontroller and sensor system as intermediaries between the detection of room entry and the delivery of warning messages. These intermediary components process the entry detection signal and trigger appropriate voice warnings, enabling a more reliable warning system while maintaining relative simplicity.
2Reliability
If handwritten or printed signs are used for isolation warnings, then the implementation is simple, but the signs are often ignored or accidentally overlooked by visitors and staff
Solution Approach 1:
The patent replaces static printed or handwritten signs with an electronic voice warning system that actively announces precautions. This substitution ensures that warnings are heard rather than potentially overlooked visual signs, improving reliability while the programmable nature allows for easy configuration of different warning messages.
Solution Approach 2:
The patent transforms the static warning system into a dynamic one that can adapt its messages based on the type of isolation required. The system can be programmed with different voice warnings for different isolation types (contact, droplet, airborne), allowing it to dynamically respond to different patient conditions while maintaining ease of operation through programmable configurations.
3Reliability
If multiple passive signs are placed in limited space between entryways, then coverage is improved, but the placement becomes ambiguous and signs are still overlooked
Solution Approach 1:
The patent replaces multiple physical signs that require spatial placement with a single electronic warning device that uses auditory signals. This substitution eliminates the need for multiple signs in limited spaces between entryways, as the voice warning can be heard clearly without requiring visual placement in constrained areas.
Solution Approach 2:
The patent transitions the warning system from a two-dimensional visual plane (signs on walls or doors) to a three-dimensional auditory field that can be heard throughout the entry area. This dimensional change allows the warning to effectively occupy space without requiring physical placement in limited areas, solving the ambiguity problem of sign placement.
Data Source
AI summary
A system comprising a portable unit which can be temporarily placed outside a patient room comprising a processor, memory, a speaker or voice generator, and programming to allow an authorized user to select (A) a disease or medical condition which corresponds to preprogrammed simulated voice warnings, for example “wash hands,”“wear gown,”“wear gloves,”“wear mask,”“dispose of gown,”“use hand sanitizer,”“wash hands with soap and water after removing protective clothing,” and combinations of said voice warnings; or (B) one or more of said preprogrammed voice warnings; a room entry detector programmed to activate the simulated voice warnings, the system configured so that when entry to the room is detected, one or a combination of the simulated voice warnings is emitted by the system.