Lateral Branch Detection Probe Using Multi-Electrode Segmentation
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Solution Overview
Problem
Conventional lateral branch detection devices require troublesome and time-consuming processes to detect the condition of each lateral branch by gradually inserting the measurement electrode into the root canal.
Innovation Solution
A lateral branch detection device with a measurement electrode group and a subject electrode that applies input signals sequentially to detect the condition of lateral branches by analyzing measurement datasets, allowing detection upon insertion to the apex, using multiple measurement electrodes placed at intervals within the root canal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single measurement electrode is gradually inserted into the root canal to detect lateral branches, then the detection can identify lateral branch conditions, but the process requires troublesome and time-consuming repeated measurements at different insertion positions
Solution Approach 1:
The root canal detection space is segmented into multiple zones by placing multiple measurement electrodes (first, second, third measurement electrodes) at different positions within the root canal. Each electrode independently detects lateral branches in its specific zone, allowing simultaneous multi-point detection without gradual insertion, thereby reducing detection time while maintaining accuracy.
Solution Approach 2:
The detection approach transitions from one-dimensional gradual insertion (single electrode moving along the root canal) to a multi-dimensional simultaneous detection system. Multiple electrodes are positioned at different radial and axial locations within the root canal, enabling parallel detection across multiple spatial dimensions, which eliminates the need for time-consuming sequential measurements.
2Productivity
If multiple measurement electrodes are placed within the root canal to enable simultaneous detection, then the detection process becomes more efficient, but the device complexity increases
Solution Approach 1:
Multiple measurement electrodes are designed with identical structures and functions, each capable of independent lateral branch detection. This universal design allows the system to achieve high detection efficiency through parallel operation while keeping individual electrode designs simple and standardized, thereby managing overall device complexity.
Solution Approach 2:
A control unit serves as an intermediary that coordinates the operation of multiple measurement electrodes and the subject electrode. It manages signal acquisition, processing, and display, simplifying the complexity of managing multiple electrodes by providing a centralized control interface that handles all detection operations uniformly.
3Device complexity
If a single subject electrode is used for measurement, then the device structure remains simple, but multiple measurement electrodes require sequential signal switching which increases control complexity
Solution Approach 1:
The control unit implements automated signal switching with feedback mechanisms that monitor the states of all measurement electrodes and the subject electrode. The system automatically determines when each electrode combination has completed measurement and switches to the next configuration, providing real-time feedback on measurement progress and electrode positions to manage automation 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
Enables efficient detection of lateral branch conditions by inserting the probe to the apex, reducing the need for repeated measurements and simplifying the detection process, thereby reducing operator workload.
Implementation Method 1
applies input signals for measurement sequentially to each of the measurement electrodes... detects the condition of the lateral branch... based on a plurality of measurement datasets sequentially detected between the measurement electrodes and the subject electrode
Data Source
AI summary
Provided is a lateral branch detection probe whereby the condition of a lateral branch can be detected merely by inserting the lateral branch detection probe to an apex. A lateral branch detection probe detects, after insertion thereof into a root canal of a tooth, the presence/absence of a lateral branch and the position of the lateral branch in the root canal axis direction, the lateral branch detection probe being provided with a plurality of measurement electrodes extending to different positions in the root canal axis direction at predetermined intervals. The measurement electrodes constitute a measurement terminal group in which each measurement electrode is covered with an insulator except for one end portion, and another end portion thereof is connectable to a detection-purpose power supply on a detection device side.