Alternating Pressure Support Surface for Anatomy-Specific Patient Orientation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current support surfaces for preventing pressure ulcers lack the ability to control the spatial relationship between the patient and the therapeutic surface, leading to continued complications despite their use.
Innovation Solution
The development of a system that actively orients a patient over an anatomy-specific pressure-mitigating contact surface with independently pressurized relief chambers configured in a geometric pattern, which mitigates contact pressure by alternating pressure and using elevated side support portions to position the patient correctly over the epicenter of the pattern.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If current support surfaces are used, then basic pressure distribution is provided, but the spatial relationship between patient and therapeutic surface cannot be controlled
Solution Approach 1:
The support surface is divided into multiple independently pressurizable zones or chambers that can be controlled separately. This segmentation allows different regions of the support surface to exert different pressures, enabling precise control over the spatial relationship between the patient and the therapeutic surface while maintaining effective pressure distribution.
Solution Approach 2:
The support surface incorporates dynamically adjustable pressure zones that can change their pressure levels in real-time. This dynamic capability allows the system to adapt to patient movement and positioning needs, controlling the spatial relationship between patient and surface while providing responsive pressure distribution.
2Device complexity
If patients remain in fixed positions, then positioning simplicity is maintained, but pressure ulcer risk increases due to sustained pressure
Solution Approach 1:
The support surface implements periodic pressure variations through cyclic inflation and deflation of pressure zones. This periodic action automatically redistributes pressure over time without requiring patient movement or complex repositioning systems, thereby preventing pressure ulcers while maintaining relatively simple positioning infrastructure.
Solution Approach 2:
The support surface system automatically monitors and adjusts pressure distribution without external intervention. The system self-regulates pressure zones to prevent ulcer formation, eliminating the need for manual repositioning or complex external control mechanisms while maintaining high reliability in pressure ulcer prevention.
3Device complexity
If uniform pressure is applied across the support surface, then system simplicity is maintained, but localized pressure relief is insufficient
Solution Approach 1:
The support surface incorporates zones with different pressure characteristics tailored to specific anatomical regions. Each zone can be independently controlled to provide appropriate pressure levels for different body parts, enabling localized pressure relief where needed while maintaining overall system functionality without excessive complexity.
Solution Approach 2:
The system dynamically changes pressure parameters (magnitude, distribution, timing) across different zones of the support surface. By varying these parameters in response to patient needs and anatomical considerations, the system provides targeted pressure relief to vulnerable areas while maintaining relatively simple control architecture through parameter modulation rather than structural complexity.
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 system effectively reduces pressure on specific anatomic regions, enhancing blood flow and preventing pressure ulcers by ensuring that no area is subjected to constant pressure, thereby reducing the risk of tissue damage and infection.
Implementation Method 1
the independently pressurized relief chambers are configured in a geometric pattern that mitigates contact pressure between a support surface and a specific anatomic region of a user's body when pressure in the independently pressurized relief chambers is alternated
Data Source
AI summary
Described herein are systems and apparatuses for enhanced comfort through contact pressure reduction. In particular, the systems and apparatuses disclosed herein prevent or otherwise mitigate pressure by actively orienting a patient over an anatomy-specific pressure-mitigating contact surface on which the patient rests. A pressure-mitigating contact portion of the contact surface includes a plurality of independently pressurized chambers configured in a specific geometric pattern that is designed to mitigate contact pressure between a support surface (e.g., bed or chair) and a specific anatomic region of a patient's body when the specific anatomic region of the patient's body is oriented over an epicenter of the geometric pattern. In one embodiment, the geometric pattern includes a first independently pressurized relief chamber that intersects the epicenter of the geographic pattern, and second and third independently pressurized relief chambers that collectively encompass the first independently pressurized relief chamber.