Multifunctional Surgical Tool Combining Mechanical and Electrosurgical Functions
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Solution Overview
Problem
Current surgical tools often face inefficiencies and complications when interacting with soft tissue during orthopedic procedures, such as degradation, clogging, or harm to patients, and may not effectively penetrate through both soft and bone tissue, necessitating a tool that can both mechanically modify bone and electrosurgically manage soft tissue.
Innovation Solution
A dual-mode surgical tool combining a mechanical tool with an electrosurgical component, featuring a mechanical tool bit that can be isolated for electrosurgical tasks, and a system allowing for simultaneous mechanical and electrosurgical operations, including RF capabilities for tissue ablation and bleeding control, with a fluid conduit for enhanced operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a mechanical surgical tool is used to cut or remove anatomical tissue, then bone modification capability is improved, but soft tissue interaction causes degradation, clogging, or harm
Solution Approach 1:
The patent combines a mechanical surgical tool with an electrosurgical device into a single integrated tool. The mechanical component (drill, burr, saw, or shaver) provides bone modification capability while the electrosurgical component (with first and second electrodes) provides soft tissue management. This merging allows both functions to coexist in one tool, eliminating the harmful effects of mechanical tools on soft tissue while maintaining bone modification effectiveness.
Solution Approach 2:
The electrosurgical device acts as an intermediary between the mechanical tool and soft tissue. Before the mechanical tool contacts soft tissue, the electrosurgical device can cauterize, ablate, or fulgurate the soft tissue to create a clear path. This intermediary action prevents the mechanical tool from directly interacting with and degrading soft tissue, thereby eliminating clogging and harmful effects.
2Reliability
If separate mechanical and electrosurgical tools are used, then each tool can be optimized for its specific function, but procedural efficiency decreases due to tool changes
Solution Approach 1:
The patent merges separate mechanical and electrosurgical tools into a single integrated device. The mechanical tool (with driver and tool bit) and electrosurgical device (with electrodes and RF generator) are combined such that both can be used during the same surgical procedure without requiring tool changes. This improves procedural efficiency while maintaining the functional optimization of each component.
Solution Approach 2:
The integrated surgical tool achieves multi-functionality by incorporating both mechanical cutting/removal capabilities and electrosurgical cauterization/ablation capabilities. The tool can switch between or simultaneously perform both functions depending on the surgical needs, making it a universal tool that replaces multiple specialized tools while maintaining their individual effectiveness.
3Reliability
If the mechanical tool bit is electrically isolated for electrosurgical tasks, then safety is improved, but device complexity increases
Solution Approach 1:
The patent segments the tool bit into electrically isolated components for electrosurgical operation. The first electrode and second electrode are separated and insulated from each other and from the mechanical tool bit when not in use. This segmentation ensures that electrical current flows only through the intended electrosurgical path and prevents accidental shock or unintended electrosurgical effects, thereby improving safety despite increased structural complexity.
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 tool effectively clears a path for mechanical tools by ablating soft tissue, minimizes harm to patients, and allows for efficient bone modification while managing soft tissue, improving procedural efficiency and safety.
Implementation Method 1
The electrosurgery device is selectively operable to apply an electric current to anatomical tissue
Implementation Method 2
Electrosurgical tools utilize applied electrical current for cauterization, ablation, fulguration, and desiccation
Implementation Method 3
The mechanical tool comprises a tool bit and a driver operatively connected to the tool bit for selectively cutting or removing anatomical tissue
Implementation Method 4
a fluid conduit for channeling fluid to proximate the distal end
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A surgical tool may include a mechanical tool for selectively cutting or removing anatomical tissue, and an electrosurgery device selectively operable to apply an electric current to anatomical tissue. The mechanical tool may include a tool bit and a driver operatively connected to the tool bit, and the electrosurgery device may include a first electrode and a second electrode different than the first electrode.