Handheld Surgical Drill with Dynamic Telescoping Mechanism
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Solution Overview
Problem
Existing drilling apparatuses in surgical settings face issues with stability, accuracy, and depth control, leading to high failure rates of fixation devices like pedicle screws, and lack of patient-specific customization for anatomical precision.
Innovation Solution
A handheld drill apparatus with a dynamic telescoping mechanism, pre-programmed depth control, and sensors for automatic depth adjustment based on patient-specific data from CT scans or MRI, preventing over-drilling and enhancing safety by automatically retracting the drill bit upon reaching the set depth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional drilling apparatus are used with fast moving parts and rotating components, then drilling capability is achieved, but stability and accuracy deteriorate due to inability to secure in fixed position
Solution Approach 1:
The drill apparatus is divided into separate functional modules: a handheld controller, a telescoping drill bit assembly, and a depth control mechanism. This segmentation allows each component to be optimized independently, with the drill bit and depth control separated from the motor and control electronics, improving both stability during operation and accuracy through precise modular control.
Solution Approach 2:
The drill bit assembly incorporates a dynamic telescoping mechanism that allows the bit to extend and retract automatically based on depth requirements. This dynamic adjustment enables the system to adapt to different drilling depths while maintaining stability through controlled movement, resolving the contradiction between operational flexibility and positional stability.
2Manufacturing precision
If traditional drilling apparatus lack depth control mechanisms, then device simplicity is maintained, but manufacturing precision and depth accuracy deteriorate
Solution Approach 1:
The drill apparatus incorporates depth sensors and feedback mechanisms that continuously monitor the drilling depth and provide real-time information to the control system. This feedback enables automatic depth control, ensuring precise manufacturing accuracy while managing complexity through intelligent control rather than purely mechanical solutions.
Solution Approach 2:
Traditional mechanical depth control mechanisms are replaced with electronic and sensor-based control systems. The drill apparatus uses electronic depth sensing, motor control, and software algorithms to achieve precise depth control, substituting complex mechanical linkages with more precise and controllable electronic systems.
3Productivity
If drill apparatus do not have pre-programmed depth control, then operational flexibility is maintained, but productivity and drilling time increase
Solution Approach 1:
The drill apparatus allows pre-programming of depth parameters and drilling sequences before actual use. Depth targets, trajectories, and parameters can be set in advance based on patient-specific data, enabling rapid execution during surgery without requiring complex real-time decision-making, thus improving productivity while managing complexity through preparation.
Solution Approach 2:
The system enables dynamic adjustment of drilling parameters such as depth, speed, and trajectory based on pre-programmed settings or real-time sensor feedback. This parameter control allows optimized drilling performance for different anatomical structures while maintaining efficiency through automated parameter management rather than manual adjustment.
4Reliability
If fixation devices are designed for general use, then device versatility is maintained, but reliability deteriorates due to high failure rates from lack of customization
Solution Approach 1:
The drill apparatus and fixation devices are customized to match specific patient anatomy and local requirements. Patient-specific imaging data is used to create tailored drilling trajectories and depth settings, while fixation devices are designed with localized adaptations to individual anatomical structures, improving reliability by optimizing each device for its specific application rather than using one-size-fits-all designs.
Solution Approach 2:
The system combines universal surgical tools with patient-specific customization capabilities. The drill apparatus can be used across different surgical scenarios while incorporating patient-specific parameters, and fixation devices can be designed for specific anatomies while maintaining compatibility with standardized implant platforms, achieving both versatility and customization to improve reliability.
Data Source
AI summary
The present application relates to systems, methods, and devices for performing drilling operations, such as in a surgical setting. The embodiments disclosed herein include handheld drill apparatus configured to be used with guides or robotics for completing a specific operation. The drill apparatus is capable of receiving instructions either through programming, from a memory device, or from scanning a device located on an external item, such as a guide.