Pivoting Seat Chair for Spinal Decompression
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Solution Overview
Problem
Prolonged sitting on regular chairs leads to constant compression of the spine, causing back pain, stiffness, and long-term spinal damage due to bad sitting habits and limited decompression options for regular use.
Innovation Solution
A chair design featuring a seat, backrest, and leg rest with a vertical front support that allows the seat to pivot from a vertical to a 30-degree angle, reducing upward force on the spine for decompression, and transforming into a regular chair for ease of use and egress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a regular flat chair is used for sitting, then ease of operation and simplicity are improved, but spinal compression and back pain increase over time
Solution Approach 1:
The chair incorporates a dynamic seat that can pivot between a horizontal position (0 degrees) for regular sitting and an inclined position (30 degrees) for spinal decompression. This dynamic adjustment allows the chair to adapt to different user needs, providing both ease of operation and spinal health benefits.
Solution Approach 2:
The chair changes the seating angle parameter from 0 degrees (horizontal) to 30 degrees (inclined) to reduce spinal compression. This parameter change transforms the chair from a standard flat seat to a decompression configuration, eliminating harmful compressive forces on the spine while maintaining ease of use.
2Object-affected harmful factors
If the seat is moved down and away from the back rest to reduce spinal compression, then spinal decompression is improved, but ease of egress and regular sitting comfort deteriorate
Solution Approach 1:
The chair uses a pivot mechanism that allows the seat to dynamically transition between horizontal and inclined positions. When the user needs to enter or exit the chair, the seat returns to the horizontal position for easy access. During prolonged sitting, the seat can be adjusted to the inclined position for spinal decompression, thus resolving the contradiction between ease of egress and spinal health.
3Object-affected harmful factors
If a specialized decompression chair is used, then spinal decompression is improved, but device complexity and adaptability for regular use increase
Solution Approach 1:
The chair is designed with multi-functionality, serving both as a regular flat chair and a spinal decompression chair. The pivot mechanism enables the seat to assume two primary configurations: horizontal for regular sitting and inclined at 30 degrees for decompression. This universal design eliminates the need for separate specialized equipment while providing both functions.
Solution Approach 2:
The dynamic pivot mechanism allows the chair to adapt between different sitting modes, making it versatile for various uses. The chair can be quickly adjusted from a standard seating position to a decompression position, providing adaptability for both regular use and therapeutic benefits without increasing overall device 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
The chair effectively reduces spinal compression, promotes good posture, and prevents back pain by suspending the spine, making it suitable for prolonged seating in various settings while allowing easy transition to a regular sitting position.
Implementation Method 1
The vertical front support rotatably supports the leg rest and seat at or near the junction of the seat and leg rest
Implementation Method 2
a rear portion of the seat is moved down and away from the back rest to a sufficient distance that removes sufficient upward force on a spine of a user to enable spine decompression
Data Source
AI summary
A chair apparatus is provided. The chair includes a seat, a back rest, a leg rest, and a vertical front support. The leg rest is connected to the seat. The vertical front support rotatably supports the leg rest and seat at or near the junction of the seat and leg rest. The seat is movable from a first position that is in at least close proximity to the back rest to a second position in which a rear portion of the seat is moved down and away from the back rest to a sufficient distance that removes sufficient upward force on a spine of a user to enable spine decompression when the user sits on the seat.