Dual-Channel Endodontic Suction Tip for Necrotic Tooth Management
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Solution Overview
Problem
Current endodontic procedures face challenges such as apical perforation during root canal irrigation, leakage of caustic irrigants, and the need for simultaneous aspiration of necrotic debris and spent solution, which can cause chemical burns and increase the risk of infectious disease transmission.
Innovation Solution
A dual-barrel syringe device with a single triggering mechanism for simultaneous irrigation and aspiration, featuring a first barrel for aspiration and a second barrel for irrigation, with a rubber seal to stabilize the needle and prevent apical perforation, allowing for precise delivery and removal of solutions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single irrigation tip is used to deliver irrigant to the apex, then disinfection of the apex is improved, but the risk of apical perforation increases
Solution Approach 1:
The device divides the single irrigation function into two separate barrels: one for delivering irrigant and one for aspiration. This segmentation allows the irrigant to be delivered precisely to the apex while simultaneously aspirating excess fluid and debris, eliminating the need for a separate aspiration step and reducing perforation risk.
Solution Approach 2:
The device combines irrigation and aspiration functions into a single integrated tip that can be inserted into the root canal simultaneously. The dual-barrel design with side vents allows both functions to operate concurrently at the same location, improving efficiency and safety.
2Reliability
If irrigant is delivered forcefully to reach the apex, then disinfection is improved, but leakage of caustic irrigant increases causing chemical burns
Solution Approach 1:
The device converts the potential harm of caustic irrigant leakage into a benefit by using the aspiration function to immediately remove any leaked irrigant, debris, and aerosols. The aspiration barrel with its side vents positioned to face the operator captures and removes harmful substances before they can cause chemical burns or infectious exposure.
Solution Approach 2:
The aspiration function acts as an intermediary protective mechanism between the caustic irrigant and the operator/tissues. By continuously aspirating during irrigation, the device creates a protective barrier that removes harmful substances before they can cause damage.
3Device complexity
If separate irrigation and aspiration steps are used, then equipment simplicity is improved, but treatment time increases and safety decreases
Solution Approach 1:
The device merges irrigation and aspiration into a single simultaneous operation using a dual-barrel syringe. Both functions are activated by a single triggering mechanism, allowing the operator to perform both irrigation and aspiration with one hand and one motion, significantly improving treatment efficiency and safety.
Solution Approach 2:
The single dual-barrel tip performs multiple functions (irrigation, aspiration, and simultaneous operation) that would otherwise require separate devices and steps. This multi-functionality maintains equipment simplicity while dramatically improving productivity and safety.
4Measurement precision
If the needle is held steady for precise irrigant delivery, then disinfection precision is improved, but the risk of apical perforation increases
Solution Approach 1:
The device segments the functions of irrigant delivery and fluid removal into separate barrels, allowing the needle to be held steady for precise delivery while the aspiration function continuously removes excess fluid and debris, eliminating the need to advance the needle forcefully to achieve effective irrigation.
Solution Approach 2:
The aspiration function operates continuously during irrigation, providing ongoing removal of excess irrigant and debris. This continuous action maintains safety by preventing fluid accumulation and reducing the need for forceful needle advancement, while allowing precise irrigant delivery to proceed.
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 effective and safe delivery of irrigants to the apex of the tooth while aspirating necrotic debris and spent solution, reducing the risk of chemical burns and infectious exposure, and allowing for precise moment-to-moment adjustment of probe depth and position.
Implementation Method 1
a rubber seal to stabilize the needle and prevent apical perforation
Implementation Method 2
allowing for precise delivery and removal of solutions
Implementation Method 3
aspirating necrotic debris and spent solution
Data Source
AI summary
A system and method for treating a necrotic tooth in a root canal and includes using a dual function double barrel reciprocating syringe in conjunction with a dual channel needle to provide both an irrigant for irrigation and aspiration of the irrigant and organic debris within the necrotic tooth. Once optimally positioned and secured in place by a rubber seal, root canal of the tooth can be treated through irrigation and aspiration of the dual channel needle.