Split-Nose Bicycle Seat Reducing Perineal Pressure
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Solution Overview
Problem
Conventional bicycle seats cause discomfort, chafing, and potential injury due to pressure on sensitive areas, leading to issues like urinary tract infections and decreased blood flow, as they fail to adequately support the pelvic region and reduce pressure on the perineal area during long rides.
Innovation Solution
A split-nose bicycle seat design featuring a rigid plastic base with a bifurcated front-end section, a cushioned pubis bone support surface, and a drooped nose, providing a narrower width and an arrowhead-shaped relief area to minimize compression of the pudendal nerve and artery, with a central gap for pressure relief and anatomical support of the sacrum, coccyx, and ischium bones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a traditional solid bicycle seat is used, then the seat provides continuous support surface, but it causes excessive pressure on the perineal and genital areas leading to discomfort and potential injury
Solution Approach 1:
The seat nose is divided into two separate elongated protrusions (left and right) with a gap between them, creating a split-nose configuration. This segmentation removes the continuous material contact in the perineal area while maintaining support for the pelvic bones, thereby reducing pressure on sensitive areas while preserving structural support function
Solution Approach 2:
The seat features different structural characteristics in different regions: the split nose section with elongated protrusions provides localized support for the pubis bones, while the gap between protrusions provides pressure relief for the perineal area. The cushioned section at the rear provides different support characteristics compared to the rigid nose section, optimizing comfort and support in each specific anatomical region
2Object-affected harmful factors
If the seat width is reduced to improve blood flow, then the relief area increases, but the support for pelvic bones may be insufficient
Solution Approach 1:
The support structure is segmented into two elongated protrusions that angle inward, creating a narrower overall width while maintaining targeted support points for the pelvic bones. This segmentation allows the seat to provide sufficient support strength through concentrated contact points while creating adequate relief space for blood flow and nerve function
Solution Approach 2:
The elongated protrusions angle inward toward the center, creating an asymmetric configuration that optimizes the distribution of support forces. This angular arrangement provides effective support for the pubis bones while maintaining a narrower profile that enhances the relief area, balancing support strength with blood flow requirements
3Object-affected harmful factors
If a split-nose design is implemented to relieve pressure, then the perineal area is relieved, but it may create uneven pressure distribution causing chafing and abrasions
Solution Approach 1:
The seat provides differentiated support characteristics: the elongated protrusions with cushioned surfaces provide localized support for the pubis bones to prevent chafing, while the gap between protrusions provides pressure relief. The cushioned section at the rear provides different support characteristics, creating a multi-zone support system that addresses different anatomical requirements and prevents abrasions through appropriate local cushioning
Solution Approach 2:
The elongated protrusions are equipped with cushioned surfaces that provide preemptive protection for the pubis bones and surrounding tissues. This prior cushioning prevents chafing and abrasions before they can occur during riding, addressing the harmful effects of friction and pressure in advance
Data Source
AI summary
A split-nose bicycle seat, comprising: a rigid plastic base provided with attachment points for mounting the seat to the bicycle frame, a total length of the seat of about 260-280 mm, a split nose section formed by two elongated protrusions of substantially constant width extending forward from a medial section to a front surface, said elongated protrusions angle inwardly, a cushioned pubis bone support surface with a substantially flat side profile, and a drooped nose, said split nose section transitioning aft to a medial section having a width of about 110 mm at the widest point of the seat, said medial section transitioning aft to a rear-end section.