Jaw-Cervical Spine Posture Correction Device with Rack and Pinion
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Solution Overview
Problem
Forward head posture (FHP) in sedentary individuals leads to neck strain, muscle tension, headaches, and potential cervical disc herniation due to prolonged straightening of the cervical spine and muscle strain.
Innovation Solution
A device with a front support for the jaw, a rear support for the cervical spine, and an adjuster that adjusts the distance between the two, utilizing a rack and pinion structure to move the jaw backward, mimicking the stimulus provided by kinesiotherapy, allowing for correction of FHP without manual effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If manual kinesiotherapy is used to correct FHP, then the cervical spine can be stimulated to return to curved alignment, but it requires continuous manual effort and professional intervention
Solution Approach 1:
The device enables self-correction of FHP through an automatic mechanical system. The user simply wears the device which automatically applies the corrective force to move the jaw backward and stimulate the cervical spine, eliminating the need for continuous manual therapy intervention while maintaining effective correction
2Length of moving object
If the distance between front support and rear support is increased, then the jaw can be moved backward to correct FHP, but the device structure becomes more complex
Solution Approach 1:
The device employs a dynamic adjustment mechanism with sliding frames that can smoothly change the distance between front and rear supports. This allows the corrective distance to be adjusted according to individual user needs while maintaining a relatively simple overall structure through the use of movable rather than fixed components
Solution Approach 2:
The adjustment mechanism is divided into modular components including sliding frames, adjustment handles, and fastening members. This segmentation allows each component to perform a specific function independently, simplifying the overall design while achieving the complex function of variable distance adjustment
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 effectively corrects FHP by providing a suitable stimulus to all cervical vertebrae, reducing neck strain and muscle tension, and promoting a curved cervical spine alignment, thus alleviating associated symptoms like headaches and fatigue.
Implementation Method 1
The pair of the sliding frames and the adjustment handle may be engaged with each other as a rack and pinion structure
Implementation Method 2
The stopper may be formed integrally with the rotating body and configured to be elastically deformed in a direction receding from a center of the rotating body
Implementation Method 3
Each of the fastening members may further include a fastening member magnet disposed in the recess portion. The head further may further include a head magnet configured to be connected to the fastening member magnet through magnetism
Data Source
AI summary
A device for correcting a forward head posture includes a front support configured to support a jaw of a user, a rear support configured to support a rear side of a cervical spine of the user, and an adjuster configured to adjust a distance between the front support and the rear support. As the adjuster is adjusted or operated, a lower jaw joint of the jaw of the user moves backward in a horizontal direction.