Modular Head Stabilization Frame with Tensioning and Continuous Adjustment
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Solution Overview
Problem
Existing head stabilization devices lack flexibility in adjusting the spacing and force applied to the patient's head, limiting their effectiveness and versatility during medical procedures.
Innovation Solution
A modular head stabilization device with adjustable frame spacing and tensioning features, allowing for infinitely variable adjustment of frame portions and customizable stabilization assemblies, along with a torsion rod mechanism to control the force applied, enhancing patient comfort and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a skull clamp is used to stabilize the patient's head, then head stabilization is achieved, but the device lacks flexibility in adjusting spacing and force applied to the patient
Solution Approach 1:
The skull clamp is divided into modular components including a frame with adjustable first and second portions, a stabilization assembly with rocker arm, and a tensioning system with torsion rod. This segmentation allows independent adjustment of spacing between frame portions and force applied by the stabilization assembly, providing flexibility without requiring complete redesign of the entire device.
Solution Approach 2:
The frame portions are designed to be movable relative to each other, allowing dynamic adjustment of spacing. The tensioning system incorporates a torsion rod that can be rotated to dynamically adjust the force applied by the stabilization assembly. This dynamic capability enables the device to adapt to different patient sizes and procedural requirements.
2Reliability
If fixed stabilization force is applied, then stabilization is achieved, but patient comfort and procedural efficacy are limited
Solution Approach 1:
The tensioning system allows modification of the force parameter through rotation of the torsion rod. By changing the tension in the rod, the operator can adjust the stabilization force to an optimal level that maintains reliability while improving patient comfort. This parameter adjustment capability addresses the contradiction between fixed force application and customized comfort requirements.
3Adaptability or versatility
If non-adjustable frame spacing is used, then device simplicity is maintained, but versatility for various patient needs is reduced
Solution Approach 1:
The frame is segmented into movable portions that can be adjusted independently. This modular design allows manufacturers to produce standardized components that can be assembled and adjusted for different patient requirements, balancing manufacturing simplicity with post-manufacturing versatility.
Solution Approach 2:
The adjustable frame and stabilization assembly create a universal device that can accommodate various patient sizes and procedural needs. The same basic structure serves multiple functions through adjustment, reducing the need for multiple specialized devices while maintaining ease of manufacture through standardized component design.
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 precise and customizable stabilization with adjustable force application, improving patient comfort and procedural efficacy by allowing for tailored adjustments to fit various patient needs.
Implementation Method 1
a torsion rod mechanism to control the force applied
Data Source
AI summary
A head stabilization device useable for stabilizing a head of a patient during a medical procedure includes a modular design where stabilization assemblies of various configurations are interchangeable at receiving portions along a frame. The device includes a tensioning feature positioned away from the stabilization assembly but still operable to increase or decrease an amount of force the stabilization assembly applies to the patient's head. The device includes a locking feature for a stabilization assembly having a rotatable member having one or more stabilization features connected thereto. The device includes an adjustment feature to adjust a spacing between frame members with the adjustment feature providing a continuous range of adjustment rather than finite adjustment increments.