Ultrasonic Dental Scaler with Automatic Feedback Control
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Solution Overview
Problem
Existing ultrasonic dental scalers require manual adjustment of power and water flow by operators, which can lead to inefficiencies and potential damage to teeth, especially for inexperienced users, as they must stop treatment to adjust settings and lack default settings for optimal operation.
Innovation Solution
An ultrasonic dental scaler system with a handpiece and control unit that automatically adjusts power and water flow based on electrical feedback from the tip, using sensors and solenoids to optimize vibration and irrigation, allowing continuous operation without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual adjustment of power and water flow is used, then device complexity is reduced, but operator error increases and treatment efficiency decreases
Solution Approach 1:
The patent implements automatic feedback control where sensors detect parameters such as tip temperature, power consumption, and water flow rate, and the control unit continuously adjusts power delivery and irrigation flow based on this feedback to maintain optimal operating conditions without manual intervention
Solution Approach 2:
The system performs self-regulation of power and water flow settings through automated control algorithms that monitor system state and adjust parameters independently, eliminating the need for operator intervention and reducing human error while maintaining complex control functions
2Productivity
If manual adjustment of settings is required, then device complexity is lowered, but treatment continuity is interrupted and productivity decreases
Solution Approach 1:
The automated control system enables continuous treatment by constantly monitoring and adjusting power and water flow parameters without requiring treatment interruption, ensuring uninterrupted plaque and calculus removal while managing tip temperature and operational parameters in real-time
3Ease of operation
If default settings are not provided, then device complexity is reduced, but ease of operation deteriorates for inexperienced users
Solution Approach 1:
The system automatically determines and adjusts optimal power and water flow settings based on real-time sensor data from the treatment environment, eliminating the need for pre-programmed default settings or operator expertise while maintaining sophisticated adaptive control capabilities
4Object-affected harmful factors
If power and water flow are not automatically controlled, then device complexity is reduced, but tip temperature control deteriorates and harmful factors increase
Solution Approach 1:
Temperature sensors monitor tip temperature continuously, and the control unit adjusts power delivery and water irrigation flow rate based on this feedback to maintain tip temperature within safe operating ranges, preventing thermal damage to tooth structures while managing complex thermal control
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 system ensures efficient and safe removal of plaque and calculus by automatically adjusting power and water flow, reducing operator error and improving usability for both experienced and inexperienced users by maintaining optimal settings without interrupting treatment.
Implementation Method 1
the handpiece comprises a coil for vibrating the tip
Implementation Method 2
the control unit comprises a sensor coupled to the coil for sensing a variable signal of the coil
Implementation Method 3
the handpiece includes a water irrigator for providing water to the tip
Data Source
AI summary
An ultrasonic dental scaler includes a handpiece and a control unit. The handpiece has a tip, and a water irrigator for providing water to the tip, the handpiece being constructed and arranged to vibrate the tip. The control unit is in communication with the handpiece and receives electrical feedback from the tip. The control unit automatically controls water flow from the water irrigator to the tip and the vibration of the tip based on the received electrical feedback.