Recursive multi-tiered health isolation facility
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Solution Overview
Problem
Current Airborne Infection Isolation (AII) Rooms are ineffective in isolating highly infectious diseases such as Ebola, Marburg virus, MRSA, rotavirus, noroviruses, and hemorrhagic fever viruses, and are not easily deployable in real-world field environments during epidemic and pandemic outbreaks.
Innovation Solution
A recursive multi-tiered health isolation facility with varying pressure differentials and ventilation rates between facility types, utilizing HEPA filtration and ultraviolet light to neutralize airborne contagions, and including separate facilities for medical staff and patients, allowing for rapid deployment in emergency scenarios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard Airborne Infection Isolation (AII) Rooms are used, then basic ventilation requirements are met, but they are ineffective against highly infectious diseases such as Ebola, Marburg virus, and MRSA
Solution Approach 1:
The facility is divided into multiple isolated modules, each with its own negative pressure environment and HEPA filtration system. This segmentation allows each module to independently contain highly infectious diseases while maintaining overall system effectiveness, directly addressing the limitation of standard AII rooms against diseases like Ebola and MRSA.
Solution Approach 2:
The patent implements nested isolation chambers where patients are contained within inner chambers that are themselves within larger isolation modules. This multi-layered nesting structure creates redundant containment barriers, significantly enhancing reliability against highly infectious diseases while managing complexity through hierarchical organization.
2Adaptability or versatility
If standard AII Room ventilation systems are used, then basic air changes are provided, but they cannot be easily deployed in real-world field environments during outbreaks
Solution Approach 1:
The facility employs dynamically adjustable ventilation systems that can modify air change rates and pressure differentials based on real-time infection risk assessment. This dynamic capability allows the same facility structure to adapt to various outbreak scenarios in field environments, from low-risk to high-risk situations, enhancing deployability without requiring completely different structures for each scenario.
Solution Approach 2:
The modular facility design serves multiple functions: it can isolate different types of pathogens (airborne, contact, droplet), accommodate various patient conditions, and be deployed in diverse field environments. This universality allows a single facility design to handle Ebola, MRSA, influenza, and other outbreaks, greatly improving adaptability while maintaining ease of deployment through standardized modules.
3Object-affected harmful factors
If negative pressure is maintained in all isolation rooms, then airborne contagion spread is reduced, but medical personnel protection is insufficient without additional filtration systems
Solution Approach 1:
HEPA filtration systems serve as intermediary barriers between the negative pressure environment and medical personnel. The filtration system captures and removes airborne pathogens from the air before it reaches medical staff, providing an additional layer of protection beyond negative pressure alone. This intermediary mechanism significantly enhances reliability of personnel protection while maintaining effective airborne contagion control.
Solution Approach 2:
The ventilation system combines multiple protective mechanisms: negative pressure fields, HEPA filtration media, and ultraviolet germicidal irradiation. This composite approach integrates different physical and chemical methods to create a multi-barrier protection system, ensuring that medical personnel are protected against airborne contagions through redundant mechanisms that compensate for potential failures in any single system.
4Reliability
If multiple isolation facilities are created for different disease types, then disease-specific isolation is achieved, but facility complexity and deployment difficulty increase
Solution Approach 1:
The modular facility design implements universal isolation chambers that can be configured for different disease types through standardized accessories and ventilation settings. Rather than building separate facilities for Ebola, MRSA, influenza, and other diseases, the same modular unit can be adapted to each pathogen type, maintaining disease-specific isolation effectiveness while reducing overall system complexity and the number of different facility types required.
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
Effectively minimizes the spread of airborne contagions by controlling pressure differentials and ventilation rates, providing enhanced protection for medical personnel and the public, and enabling rapid deployment in field environments during outbreaks.
Implementation Method 1
providing a negative air-pressure differential between each facility type having a higher probability of containing an airborne infection contagion
Implementation Method 2
As part of the ventilation system a HEPA filter filters the recirculating air to each facility type
Implementation Method 3
The ventilation system can include ultraviolet lights to neutralize any contagions that make it past or through the HEPA filter
Data Source
AI summary
A recursive multi-tiered health isolation facility having multiple tiers of facility types. Each facility type has a probability of containing an airborne infectious contagion and a means for provide pressure differentials between the facilities types. Increasingly higher negative pressurization within facility types with a higher probability of airborne infection provides for nesting facility types and abatement of airborne contagions transmitted between facility types. Further, the air exchange rates for each facility type are increased as the probability that a facility type has an airborne infectious agent increases. The use of HEPA filters with the increased air exchange rates increases the contagion abatement in environments having a higher probability of airborne contagions. Further, exchanged air is treated with ultraviolet light to kill contagions making it through the air filter. Additionally, bathroom facilities provided as part of the patient facilities can be coupled to an autoclave incineration facility to prevent contagion contamination by bodily fluids.