Pelvic Floor Pressing Tool Hardness and Convex Geometry
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Solution Overview
Problem
Conventional corrective tools for posture improvement do not effectively engage the pelvic floor muscle group, which is believed to be crucial for active muscle movement and posture correction, as they cannot actively move muscles inside the body, and pressing the pelvic floor muscle group can be painful and resistant, especially for young women.
Innovation Solution
A pressing tool designed to moderately press the pelvic floor muscle group, with a convex upper surface and specific hardness values, mounted to oppose the pubis and coccyx, allowing the weight of the body to apply pressure and facilitate engagement of the pelvic floor muscle group, along with the gluteal and thigh muscles, to improve posture and reduce urinary incontinence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional corrective tools are used to press the pelvic floor muscle group, then posture correction is attempted, but strong resistance and pain are felt especially by young women
Solution Approach 1:
The patent applies parameter changes by precisely controlling the hardness of the pressing tool main body within 40 to 70 IRHD and the convex portion within 50 to 75 IRHD. This hardness parameter optimization allows the tool to effectively press the pelvic floor muscles while reducing pain and resistance, especially for young women who previously experienced strong discomfort with conventional tools.
2Force
If the pressing tool has high hardness to effectively press muscles, then pressing effectiveness improves, but comfort and acceptance by users deteriorates
Solution Approach 1:
The patent applies local quality by creating a convex portion with different hardness (50-75 IRHD) than the main body (40-70 IRHD). The convex portion has locally increased hardness to provide effective pressing force on the pelvic floor muscles, while the softer main body ensures overall comfort and reduces pain during usage.
3Reliability
If the pressing tool is designed to actively engage internal muscles, then posture improvement is achieved, but the tool complexity and design requirements increase
Solution Approach 1:
The patent applies spheroidality by designing a convex portion with a curved surface that has a radius of curvature of 10 to 30 mm. This curved geometry naturally conforms to the anatomical structure of the pelvic floor muscles, enabling effective engagement of internal muscles for posture correction without requiring complex mechanical mechanisms.
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 tool effectively presses the pelvic floor muscle group without causing pain, improving posture and reducing urinary incontinence by engaging the diaphragm, transverse abdominal, multifidus, and erector spinae muscles, while maintaining a comfortable pressing sensation.
Implementation Method 1
a pressing tool for a pelvic floor muscle group which presses a pelvic floor muscle group by making use of the weight of a human body
Data Source
AI summary
With respect to a pressing tool main body 10B of a pressing tool for a pelvic floor muscle group 1B, a convex upper surface has a hardness of 10 to 20, which is a value of the International Rubber Hardness Degree (IRHD) complying with JIS K 6253, when the pressing tool main body 10B is in an initial state in which the pressing tool main body 10B is subject to no external force and is not squashed, and has a hardness of 25 to 35, which is a value of the International Rubber Hardness Degree (IRHD) complying with JIS K 6253, when the pressing tool main body 10B is subject to an external force, and a height from a seat surface to the convex upper surface becomes a half of the height from the seat surface to the convex upper surface in the initial state.