Pressure Therapy Device Segmented Chamber Dynamics
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Solution Overview
Problem
Existing pressure therapy devices are cumbersome, difficult to customize, and require trained professionals for use, often causing discomfort and risk of injury due to improper fitting and pressure points, especially for patients with limited mobility or fragile skin.
Innovation Solution
A pressure therapy device with a streamlined pressure chamber, inflatable padding, and adjustable sealing system that allows for easy donning and fitting without assistance, featuring a wide opening, angled neck, and modular components for additional treatments, ensuring safe and effective pressure application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pressure chamber is used to apply pressure therapy, then pressure control is improved, but device complexity and difficulty of operation increase
Solution Approach 1:
The pressure chamber is divided into multiple independent chambers (first pressure chamber and second pressure chamber) that can be independently controlled. This segmentation allows for differentiated pressure application to different body parts while maintaining overall system reliability, and reduces the complexity of controlling a single large chamber.
Solution Approach 2:
The pressure chamber configuration is made dynamic and adaptable. The system can switch between single-chamber and multi-chamber modes, and the chambers can be independently adjusted to accommodate different body parts and treatment requirements, reducing operational complexity while maintaining pressure control reliability.
2Reliability
If a pressure chamber with sealed environment is used, then pressure therapy effectiveness is improved, but ease of operation deteriorates due to difficulty in limb placement
Solution Approach 1:
The pressure chamber is segmented into multiple sections with independent openings and sealing mechanisms. This allows the limb to be inserted through one opening while other sections remain open or are sealed independently, making it easier to position the limb correctly without compromising the sealed environment needed for effective pressure therapy.
Solution Approach 2:
The positioning mechanism and sealing system are designed to guide and automatically adjust the limb position before sealing. The preliminary positioning ensures correct placement without requiring complex manual adjustment, and the sealing action follows automatically, improving ease of operation while maintaining therapy effectiveness.
3Reliability
If negative pressure is applied to draw limb into chamber, then pressure therapy is improved, but harmful factors increase due to pressure points and skin damage
Solution Approach 1:
Different regions of the pressure chamber have different sealing and pressure application characteristics. The sealing members are designed with varying compression forces for different body parts, and the positioning mechanism provides localized support to prevent pressure points. This local customization allows effective negative pressure application while protecting vulnerable skin areas.
Solution Approach 2:
The positioning mechanism and sealing system are designed to distribute pressure evenly before negative pressure is applied. Support surfaces and cushioning elements are pre-positioned to protect vulnerable areas, and the gradual sealing process allows for even pressure distribution, preventing skin damage while maintaining therapy effectiveness.
4Reliability
If custom-fitted padding structures are used to protect limb, then protection effectiveness is improved, but device complexity and cost increase
Solution Approach 1:
The padding structure is made dynamic and adjustable rather than custom-fitted for each patient. The positioning mechanism can be adjusted to accommodate different limb shapes and sizes, and the sealing members can be positioned at different locations. This dynamic adaptability provides effective protection without requiring complex custom fitting procedures or multiple specialized components.
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
The device provides a comfortable, safe, and effective pressure therapy experience, improving blood flow and wound healing by allowing patients to use the device independently, reducing the risk of injury and operational complexity, while being cost-effective and adaptable to individual anatomy.
Implementation Method 1
The pump unit is connected to the pressure chamber and is configured to generate a non-atmospheric pressure within the pressure chamber
Implementation Method 2
A seal is configured to surround the opening and the inflatable padding
Implementation Method 3
The inflatable padding is configured to inflate in response to a negative pressure within the pressure chamber and fix the limb of the user in a predetermined position within the pressure chamber
Data Source
AI summary
A pressure therapy device includes a pressure chamber, an inflatable padding, a seal, and a positioning mechanism. The pressure chamber has an opening arranged for admitting the inflatable padding and a limb of a user. The inflatable padding is inflatable to enclose and fix the limb in position. The seal covers the opening, including the inflatable padding and the limb to seal the pressure chamber from ambient atmospheric pressure. A pump unit is provided to generate a non-atmospheric pressure within the pressure chamber and includes a first valve system and a piston with safety release features for preventing unsafe pressure levels.