Composite Surgical Saw Blade for Low-Vibration Cutting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional oscillating saw blades used in surgical applications are heavy, leading to increased noise, vibration, and mechanical load on the transmission system, which is undesirable despite their necessary length and thickness for functionality.
Innovation Solution
A hybrid saw blade is developed using a combination of materials such as steel, polymer, titanium, and ceramic, with a composite material inlay portion surrounded by a metal frame and a cutting edge that includes a composite material, optimized for reduced weight and rigidity to minimize vibration and noise while maintaining clinical effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional steel saw blades are used with increased length, width and thickness to fulfill intended use, then cutting functionality is improved, but weight increases leading to increased noise, vibration and mechanical load
Solution Approach 1:
The saw blade employs a composite structure combining metal frame (steel or titanium) with composite material inlay portions. This hybrid construction reduces overall blade weight while maintaining the length, width and thickness required for effective cutting functionality. The composite materials provide sufficient structural integrity and cutting performance without the excessive weight of solid steel blades.
2Productivity
If traditional steel saw blades are used with increased length, width and thickness to fulfill intended use, then cutting functionality is improved, but noise and vibration levels increase
Solution Approach 1:
The composite material inlay portions within the metal frame create a structurally optimized blade that reduces vibration and noise generation during oscillating motion. The composite structure dampens vibrations more effectively than solid metal, thereby reducing harmful noise and vibration levels while preserving cutting functionality.
3Productivity
If traditional steel saw blades are used with increased length, width and thickness to fulfill intended use, then cutting functionality is improved, but mechanical load on transmission system increases
Solution Approach 1:
The hybrid metal-composite construction reduces the overall mass of the saw blade while maintaining the dimensional requirements for effective cutting. This weight reduction directly decreases the mechanical load and inertial forces transmitted to the handpiece and driving mechanism, easing demands on the transmission system.
Data Source
AI summary
A surgical saw blade including a cutting edge, blade body and a coupling for connecting the blade body to a handpiece. The blade body at least partially includes a composite material that helps to confer optimal weight and rigidity to the saw blade to allow for minimal vibration during use and minimal mechanical load on the handpiece.