Halo Traction Biasing Mechanism for Stable Adjustable Pulling Force
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Solution Overview
Problem
Current halo-gravity traction devices are cumbersome, require lengthy hospital stays, and lack flexibility in traction force application, posing discomfort and safety risks for patients with spinal conditions like scoliosis.
Innovation Solution
A halo gravity traction apparatus with a frame structure, wire, halo ring connector, and a biasing mechanism that allows for selectable spring-loaded or free weight traction, featuring a compact design suitable for home use and adjustable tension control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If free weight traction systems are used, then a static pulling force is provided which is advantageous when the patient wants to sit down, but free weights cause jerking motions and pendulum-like movements which are uncomfortable and unpleasant for the patient
Solution Approach 1:
A damping mechanism is introduced as an intermediary element between the free weight and the patient's spine. This damping mechanism absorbs and dissipates the jerking motions and pendulum-like movements generated by the free weight system, while still allowing the static pulling force to be transmitted to the patient's spine for effective traction therapy.
2Object-affected harmful factors
If spring-loaded traction systems are used, then a dynamic pulling force is provided which eliminates jerking and pendulum motions, but the force applied automatically increases when the patient sits down which can be problematic for young or vulnerable patients
Solution Approach 1:
The system employs a adjustable spring mechanism that can be configured in different states (compressed, extended, or locked) to provide dynamic control over the traction force. This allows the force to be optimized for the patient's specific needs and body position, preventing excessive force application when the patient sits down while still eliminating jerking motions.
Solution Approach 2:
The spring-loaded system allows for adjustment of the traction force parameter based on the patient's age, weight, and condition. By changing the spring constant or pre-compression level, the force applied can be tailored to be safe for young or vulnerable patients while still providing effective treatment.
3Reliability
If in-house manufactured halo-gravity traction devices are used, then traction therapy can be provided, but the devices are too cumbersome and bulky for use in home environments
Solution Approach 1:
The halo-gravity traction device is divided into separate modular components including the halo ring, extension, traction system, and support frame. This segmentation allows the device to be disassembled into manageable parts for easy transport and storage in home environments, while maintaining full functionality when assembled for therapy sessions.
Solution Approach 2:
The device incorporates collapsible or adjustable support frames and telescopic components that reduce the overall size of the apparatus when not in use. This dynamic design allows the device to transition between a compact storage configuration suitable for homes and a fully extended operational configuration that provides reliable traction therapy.
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
Enables personalized traction therapy, reducing hospital stays and enhancing patient comfort and safety by providing a versatile, compact, and easily adjustable traction system adaptable to individual patient needs.
Implementation Method 1
a spring device configured within the casing, connectable to the wire through the aperture
Implementation Method 2
free weight traction systems to apply the necessary pulling force to the patient's spine
Data Source
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AI summary
A halo gravity traction apparatus comprises a frame structure, a wire with a first end and a second end, a halo ring connector at the first end of the wire, and a biasing mechanism configured to apply a downward pulling force to the wire at the second end of the wire. The frame structure is configured to support the wire and the biasing mechanism. The apparatus provides a compact and adjustable solution for applying traction to a patient's head and neck, suitable for hospital or home use. Optional choice of using spring loaded and/or free weights makes the apparatus suitable for various patient needs.