Dental Root Extraction Device Using Elastic Connecting Rod
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Solution Overview
Problem
Existing dental root extraction devices face challenges in generating effective extraction forces with a simple design, often requiring complex manual operation and risking injury or clearance issues in the oral area.
Innovation Solution
A device featuring a threaded pin secured to a dental root with a connecting piece that transmits impact forces generated by a unit, which can be triggered mechanically, pneumatically, or electromagnetically, allowing for efficient force transmission and easy handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a manually operable chucking device with cable tension is used to generate extraction force, then the device structure becomes complex, but the extraction force generation becomes less efficient and more difficult to operate
Solution Approach 1:
The patent replaces the manual mechanical chucking device with an automated impact generation system (pneumatic or electromagnetic striker). This substitution eliminates the need for complex manual cable tensioning mechanisms while providing more efficient impact forces for root extraction, directly resolving the contradiction between ease of operation and device complexity
Solution Approach 2:
The patent employs a pneumatic striker mechanism to generate impact forces for root extraction. This pneumatic system replaces the manual mechanical operation, providing automated force generation that is both easier to operate and more effective, while the modular design keeps the overall device complexity manageable
2Force
If a thick connecting piece is used to transmit impact force, then the force transmission becomes more robust, but the device creates clearance problems and injury risks in the oral area
Solution Approach 1:
The patent changes the physical parameters of the connecting piece by using a thin rod design with optimized dimensions. This parameter change allows the connecting piece to transmit sufficient impact forces while maintaining a compact profile that avoids clearance problems and reduces injury risks in the constrained oral environment
Solution Approach 2:
The patent employs composite material construction for the connecting rod, combining materials with high strength-to-density ratios. This allows the rod to be thin enough to avoid oral clearance issues while maintaining sufficient mechanical strength to transmit impact forces effectively, resolving the contradiction between force transmission and safety
3Ease of manufacture
If a simple design is used for the extraction device, then the device is easier to manufacture and handle, but it becomes difficult to generate effective extraction forces
Solution Approach 1:
The patent divides the extraction device into modular segments: a simple threaded pin for insertion, a thin connecting rod for force transmission, and a separate impact generation unit (pneumatic or electromagnetic). This segmentation allows each component to be manufactured simply while the assembled system generates effective extraction forces through coordinated operation of the modules
Solution Approach 2:
The patent introduces a thin connecting rod as an intermediary element between the impact striker and the threaded pin. This intermediary component enables the transmission of high impact forces from the automated striker to the root while maintaining a simple overall design that is easy to manufacture and handle
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 device enables straightforward and safe extraction of dental roots with minimal risk of injury or space constraints, utilizing a thin, elastic connecting rod to transmit forces effectively.
Implementation Method 1
The striker is displaced in the extraction direction in the interior of the housing to generate the impact force such that impact of the striker against the housing generates the impact force which is transferred to the pin
Implementation Method 2
The connecting rod is made of a slightly elastic material and has a small diameter of a few millimeters so that it takes up little space on insertion into the mouth
Data Source
AI summary
The invention relates to a device (1) for extracting a tooth root, said device having a pin (2) which can be inserted and fixed in the tooth root (10). The pin (2) can be fixed to the front end of a unit (5) via a connection piece (3). The unit (5) can transfer an impact force to the pin (2) in the direction of extraction (A). The device enables an especially simple operation, without clearance problems or danger of injury in the mouth area, particularly on account of the good access to the tooth root provided by the connection piece, which is designed as a thin connection rod.