Inflatable Perfusion Apparatus Dynamic Pressure Redistribution
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Solution Overview
Problem
Conventional pressure injury prevention technologies fail to effectively control the spatial relationship between individuals and support surfaces, leading to continued risk of pressure injuries and related complications in mobility-impaired individuals.
Innovation Solution
The development of inflatable perfusion enhancement apparatuses with a controller device that selectively inflates or deflates chambers to dynamically redistribute pressure, avoiding ischemia by moving pressure points across the body, and providing real-time monitoring and alert systems for patient safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional alternating pressure technologies are used, then pressure distribution is provided, but the spatial relationship between individual and support surface cannot be controlled
Solution Approach 1:
The patent implements dynamic control of chamber inflation and deflation patterns to actively adjust pressure distribution in response to detected body position and movement. The system transitions from static pressure application to dynamic, real-time adaptation of pressure zones, allowing the support surface to respond to changing spatial relationships between the individual and the support surface.
Solution Approach 2:
The system incorporates sensors that detect body position, movement, and pressure distribution, feeding this information back to the control mechanism. This feedback loop enables the system to automatically adjust chamber pressurization patterns to maintain optimal spatial alignment and pressure distribution, resolving the inability of conventional systems to control spatial relationships.
2Strength
If steady pressure is applied in one location, then support is provided to the body, but ischemia and tissue breakdown occur
Solution Approach 1:
The patent employs periodic inflation and deflation cycles of multiple chambers in a coordinated sequence. This periodic action redistributes pressure across different body zones over time, ensuring that no single location experiences continuous steady pressure. The cyclic pattern maintains overall body support while periodically relieving localized pressure to prevent ischemia and tissue breakdown.
Solution Approach 2:
The support surface is divided into multiple independent chambers or pressure zones that can be controlled separately. This segmentation allows differential pressure application across different body regions, providing targeted support where needed while simultaneously relieving pressure in vulnerable areas. Each segment can be independently adjusted to optimize support while preventing harmful pressure concentration.
3Stability of the object's composition
If individuals remain in the same position for prolonged periods, then stability is maintained, but pressure injuries develop
Solution Approach 1:
The system introduces dynamic pressure redistribution patterns that actively shift pressure zones across different chambers while maintaining overall positional stability. The controlled alternation of pressurized chambers creates a dynamic support pattern that prevents pressure injury formation without requiring the individual to change their physical position, thus maintaining stability while eliminating harmful sustained pressure.
Solution Approach 2:
The patent implements continuous monitoring and adjustment of pressure distribution through ongoing inflation and deflation cycles. This continuous action ensures that pressure is constantly redistributed across different zones, preventing the development of pressure injuries while maintaining uninterrupted body support. The useful action of pressure relief is sustained without interruption through the continuous operation of the chamber system.
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
This solution significantly reduces the incidence of pressure injuries by dynamically managing pressure distribution, preventing ischemia, and enhancing patient safety through intelligent pressure redistribution and real-time monitoring.
Implementation Method 1
A pressure-mitigation apparatus includes a series of selectively inflatable chambers
Data Source
Figure 1A
Figure 1B
Figure 2A
AI summary
Introduced here are methods, apparatuses, and systems for mitigating the contact pressure applied to a human body by the surface of an object, such as a chair, bed, or table. A pressure-mitigation apparatus can include a series of chambers whose pressure can be individually varied. When placed between a patient and a contact surface, a controller can vary the contact pressure on the human body by controllably inflating one or more chambers, deflating one or more chambers, or any combination thereof. By monitoring the pressure in each chamber over time, the controller can also gain an enhanced understanding of movement(s) performed by the human body when positioned on the pressure-mitigation apparatus.