Drill Guide for Soft Tissue Reconstruction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for reconstructing soft tissues around skeletal joints, such as the foot or hand, are inadequate in restoring joint function due to limitations in accurately forming tunnels for graft placement and securing grafts in these areas.
Innovation Solution
A method involving the use of a drill guide to form precise tunnels in metapodial and phalangeal bones, with the guide being aligned with anatomical landmarks to position grafts effectively, ensuring accurate reconstruction of soft tissues like collateral ligaments around joints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If current methods are used to reconstruct soft tissues, then the procedure can be performed, but the joint function is not adequately restored due to imprecise tunnel formation
Solution Approach 1:
A drill guide is introduced as an intermediary device between the surgeon and the bone to achieve precise tunnel formation. The drill guide references anatomical landmarks (epicondyles) and translates them into accurate tunnel positions, mediating the transfer of anatomical information to the actual graft placement location.
Solution Approach 2:
The drill guide is positioned and aligned with anatomical landmarks before tunnel formation begins. This preliminary positioning ensures that subsequent tunnel drilling will be accurately directed, preventing errors before they occur during the actual graft placement procedure.
2Measurement precision
If anatomical landmarks are used to guide tunnel formation, then positioning accuracy improves, but the device complexity increases due to the drill guide
Solution Approach 1:
The drill guide is divided into separate components: a positioning element that references anatomical landmarks and a guiding element that directs tunnel formation. This segmentation allows the device to perform multiple functions while maintaining simplicity in each individual component.
Solution Approach 2:
The drill guide serves multiple functions: positioning relative to anatomical landmarks, guiding tunnel direction, and ensuring proper graft placement. By consolidating these functions into a single device, the overall procedural complexity is reduced despite the added precision capabilities.
3Stability of the object's composition
If grafts are securely fixed in tunnels, then ligament reconstruction stability improves, but the operation time increases due to precise alignment requirements
Solution Approach 1:
The drill guide is positioned and secured to the bone surface before tunnel drilling begins. This preliminary action establishes the correct orientation and position for all subsequent steps, ensuring that tunnel formation, graft insertion, and fixation all proceed efficiently without requiring repeated adjustments.
Solution Approach 2:
The drill guide acts as a mediator that maintains the relationship between anatomical landmarks and tunnel positions throughout the procedure. This continuous reference ensures stable graft fixation while reducing the need for repeated measurements and adjustments during surgery.
Data Source
AI summary
Methods and instruments for reconstructing soft tissues of a skeletal joint such as for example of the foot or hand are presented.