Bone Plug Compression Clamp for Reproducible Reshaping
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Solution Overview
Problem
Current methods for reshaping bone plugs during orthopedic surgeries, such as ACL reconstruction, lack reproducibility and accuracy, leading to unpredictable surgical outcomes.
Innovation Solution
A bone plug compression instrument utilizing a toggle clamp mechanism with converging cavities to reshape bone plugs intraoperatively, ensuring controlled and reproducible resizing and shaping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual reshaping using pliers is used, then the bone plug can be reshaped, but the accuracy and reproducibility are poor
Solution Approach 1:
The patent replaces manual mechanical reshaping with a automated compression instrument that uses a controlled compression mechanism. The instrument applies precise compressive forces through a programmable system, eliminating the variability inherent in manual pliers operation while maintaining ease of use through automated control.
Solution Approach 2:
The invention changes the physical state and parameters of the bone plug during reshaping by applying controlled compression forces. The system adjusts compression parameters (force magnitude, application rate, duration) to achieve precise dimensional changes, transforming the bone plug from its initial state to the desired shape with high reproducibility.
2Reliability
If manual reshaping is used, then the bone plug can be shaped, but the surgical outcome is less predictable
Solution Approach 1:
The compression instrument incorporates feedback mechanisms that monitor the compression process in real-time. Sensors detect the bone plug's response to compression forces, and the system automatically adjusts parameters to maintain precise control over the reshaping process, ensuring predictable and reliable surgical outcomes.
Solution Approach 2:
The patent replaces unpredictable manual manipulation with a controlled automated compression system. The instrument uses programmable control to replicate optimal compression forces consistently, eliminating the variability in surgical outcomes that arises from manual operation differences between surgeons.
3Manufacturing precision
If a compression instrument with movable compression elements is used, then the bone plug can be compressed and reshaped with precision, but the device complexity increases
Solution Approach 1:
The compression instrument is divided into separate functional modules: compression elements, positioning mechanisms, and control systems. This segmentation allows each component to be optimized independently while simplifying the overall device architecture. The movable compression elements are designed as separate actuators that can be controlled individually, reducing the complexity compared to a monolithic design.
Solution Approach 2:
The instrument is designed with multi-functional capabilities, where the same compression mechanism can handle various bone plug sizes and shapes. The universal design reduces the need for multiple specialized tools, thereby reducing overall device complexity while maintaining high precision across different applications.
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 instrument enables standardized and predictable surgical procedures, reducing surgery time and learning curves while improving the primary stability of bone plugs in target tunnels.
Implementation Method 1
a bone plug compression instrument for reshaping a bone plug from a first shape into a second shape
Data Source
AI summary
A bone plug compression instrument that can be used to reshape includes a first compression element having a first cavity, a second compression element having a second cavity, and a base portion for supporting the first and second compression elements. The second compression element moves between first and second positions. In the first position, the bone plug compression instrument forms an open configuration, in which the first and second cavities are spaced apart from each other allowing the bone plug in a substantially non-compressed state to be inserted in a space between the first and second cavities In the second position, the bone plug compression instrument forms a closed configuration, in which the first and second cavities press against each other to form a combined cavity for compressing the bone plug received in the combined cavity. The combined cavity has at least a partially converging shape.