Bone Cement Mixer with Vibration Mechanism
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Solution Overview
Problem
Existing bone cement mixing techniques face challenges in achieving thorough mixing of high-density components without excessive strain and ensuring aseptic application, particularly in surgical settings where manual mixing can be labor-intensive and prone to contamination.
Innovation Solution
A bone cement mixer with a vibration-generating mechanism, utilizing an oscillating mass to enhance mixing efficiency within a sealed chamber, coupled with a luer fitting for aseptic dispensing through a syringe or press dispenser.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high-density bone cement components are used, then the cement is more easily applied with lower leakage tendency, but more strength and effort are required during mixing
Solution Approach 1:
The patent introduces a vibration generator that produces mechanical vibrations to facilitate mixing of high-density bone cement components. The vibrations reduce the effort required by creating kinetic energy that helps disperse and mix the dense components, resolving the contradiction between using high-density cement and the increased mixing effort required
2Device complexity
If manual mixing is performed, then the mixing process is simple, but it becomes labor-intensive and prone to contamination
Solution Approach 1:
The vibration generator is designed to be activated by the worker during mixing, allowing the system to assist itself in the mixing process. The vibrations are generated through simple activation mechanisms that don't significantly increase device complexity while substantially reducing labor intensity and contamination risk
Solution Approach 2:
The vibration generator produces mechanical vibrations that automatically facilitate the mixing process, reducing the need for intensive manual mixing efforts and minimizing contamination risks associated with prolonged manual handling
3Object-affected harmful factors
If a sealed chamber is used to prevent vapor diffusion, then contamination is avoided, but the mixing effectiveness may be reduced without vibration assistance
Solution Approach 1:
The vibration generator introduces mechanical vibrations into the sealed chamber to enhance mixing effectiveness. The vibrations create kinetic energy that disperses components effectively while the sealed chamber maintains vapor containment, resolving the contradiction between sealing and mixing effectiveness
Solution Approach 2:
The patent combines the sealed chamber design with the vibration generator system, merging the benefits of vapor containment and enhanced mixing. The vibration generator is integrated into or with the sealed chamber, allowing both functions to operate simultaneously without compromise
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 mixer effectively combines high-density bone cement components with reduced manual effort and minimizes contamination risks, facilitating easier and more efficient application during surgeries.
Implementation Method 1
A bone cement mixer with a vibration-generating mechanism, utilizing an oscillating mass to enhance mixing efficiency within a sealed chamber
Data Source
AI summary
Mixer for obtaining bone cement for medical applications comprising a mixing chamber in which the mixing of at least two components which form the cement is carried out, comprising means for generating and transmitting vibrations to the mixing chamber and a luer attachment through which the cement can exit.