Cable Saw Adapter Assembly for Oscillating Surgical Tools
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Solution Overview
Problem
Existing surgical power tools lack versatility in cutting through bone and tissue efficiently, as they are limited by fixed cutting blades and do not effectively utilize flexible cutting wires for various surgical applications.
Innovation Solution
An adapter apparatus for a cable saw that attaches to an oscillating power tool, converting angular oscillations into translational motion to apply alternating tension to a cutting wire, generating friction for efficient cutting through bone and tissue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed cutting blade is used in the power tool, then the device structure is simple, but the adaptability for different surgical applications is limited
Solution Approach 1:
The adapter assembly enables a single power tool to perform multiple surgical functions by accommodating both oscillating saw blades and cable saw wires through a universal mounting interface. The lateral arms with connection interfaces allow the same drive shaft to drive different cutting implements, making the power tool versatile for various bone cutting applications
2Adaptability or versatility
If an adapter assembly with lateral arms is introduced to enable cable saw functionality, then the versatility is improved, but the device complexity increases
Solution Approach 1:
The adapter assembly acts as an intermediary component between the power tool drive shaft and the cable saw wire. The lateral arms extend from the mounting hub to provide connection interfaces for the wire, mediating the transmission of oscillating motion from the drive shaft to the flexible cutting wire without requiring fundamental changes to the power tool design
3Productivity
If the cutting wire is used instead of a rigid blade, then the cutting efficiency is improved, but the difficulty of maintaining proper tension and alignment increases
Solution Approach 1:
The connection interfaces at the lateral arms are designed to dynamically maintain proper wire tension and alignment during operation. The lateral arms themselves act as tensioning elements, and the connection interfaces allow for adjustment and maintenance of optimal wire tension, accommodating the dynamic nature of the flexible cutting wire during the cutting process
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 efficient cutting and removal of materials by converting the oscillating motion of the power tool into a seesaw motion in the adapter's lateral arms, which applies tension to the cutting wire, enhancing surgical precision and versatility.
Implementation Method 1
The adapter apparatus may convert the angular oscillations of a drive shaft of the oscillating power tool to generate a translational seesaw motion in lateral end portions of the arms of the adapter
Implementation Method 2
The rapid alternating movement may generate friction to effectively cut and remove material where the wire engages the bone or tissue
Data Source
AI summary
An adapter apparatus for a cable saw or similar cutting implement includes a hub adapter that may detachably engage a mounting hub of a power tool. A pair of lateral arms extend outward on opposing sides of the hub adapter to a connection interface of the cable saw. The connection interface engages opposing wire ends of the cable saw and provides for a cutting operation in response to an oscillating motion of the power tool.