Flexible Strand Measuring Tool for Curved Bone Surfaces
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Solution Overview
Problem
Current surgical devices lack the capability to accurately measure distances between multiple points or locations during surgical procedures, particularly in complex bone structures with curvature, which is crucial for precise tissue repair and fixation.
Innovation Solution
A measuring device with a flexible strand and calibration markings on a shaft, allowing secure attachment to a fixation device, enables accurate intraoperative length measurements by setting a zero point and sliding along the instrument to determine distances or arc lengths on bone surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional rigid measuring devices are used, then measurement structure is simple, but measurement precision on curved bone surfaces deteriorates
Solution Approach 1:
The patent employs a flexible measuring device comprising a flexible beam with flexible markings that can conform to curved bone surfaces. The flexible nature of the device allows it to adapt to non-planar anatomical structures, enabling accurate measurements on curved surfaces while maintaining device flexibility and ease of use.
2Measurement precision
If flexible strand is used to measure curved distances, then measurement precision improves, but device complexity increases
Solution Approach 1:
The patent combines the flexible strand with the measuring device shaft, integrating the flexible measurement element into the device structure. The flexible strand is secured to the fixation device and spans the distance to be measured, with calibration markings on the shaft providing reference points, creating a unified measurement system that maintains precision while managing complexity.
3Reliability
If multiple fixation devices are placed to achieve accurate tissue repair, then surgical reliability improves, but surgical time increases
Solution Approach 1:
The patent implements preliminary measurement and planning capabilities through the flexible measuring device, allowing surgeons to determine optimal fixation device placement locations before actual implantation. The device enables pre-planning of suture routing and fixation device positions, reducing intraoperative adjustments and improving surgical efficiency while maintaining reliability.
Data Source
AI summary
Measuring tool, surgical constructs, and methods for measuring distances between two or more locations. A measuring device allows for simple and accurate intraoperative length measurements to be made. A measuring device has a distal end that can hold a flexible strand in a hole, eyelet, claw, or other suitable means. A shaft of the device has calibration markings on it, with the zero point at the end opposite the distal tip.