Filter connection for a smoke evacuation device
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Solution Overview
Problem
Current smoke evacuation systems face challenges in determining when filters need to be replaced and often result in faulty installations due to inadequate filter connections.
Innovation Solution
A filter connection system for smoke evacuation devices that includes a filter canister and socket with electronic connectors, ensuring easy installation and electronic detection of filter replacement needs, featuring a seal and connection nipple configuration that prevents system activation until a proper seal and electronic connection are established.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple mechanical filter connection is used, then the installation is easy, but the system cannot detect when filters need replacement or if incorrect filters are installed
Solution Approach 1:
The patent replaces pure mechanical filter connections with an electronic detection system. Electronic connectors and detection circuits are integrated into the filter assembly, enabling automatic detection of filter installation status, replacement timing, and filter type verification. This substitution transforms the system from passive mechanical connection to active electronic monitoring, resolving the contradiction between ease of installation and information availability.
Solution Approach 2:
The patent implements feedback mechanisms through electronic sensors that continuously monitor filter installation status and communicate with the control system. The system provides real-time feedback about filter condition, triggering alerts when filters need replacement or when incorrect filters are installed. This feedback loop enables the system to maintain operational awareness without complicating the physical installation process.
2Device complexity
If traditional filter connections are used, then the device structure is simple, but faulty installations cannot be detected
Solution Approach 1:
The patent incorporates detection circuits and electronic connectors directly into the filter assembly during manufacturing, before installation. This preliminary integration ensures that detection capabilities are built-in from the start, allowing immediate verification of installation correctness. The system proactively checks for proper installation and filter type matching, preventing faulty installations rather than detecting them after the fact.
Solution Approach 2:
The patent introduces electronic connectors and detection circuits as intermediary elements between the filter and the main system. These intermediaries serve as sensors that detect installation status and communicate with the control system. By adding this intermediary detection layer, the system achieves reliable verification of installation correctness without fundamentally redesigning the basic connection structure.
3Device complexity
If no electronic detection is implemented, then the system is simpler, but it cannot prevent system activation with incorrect filters
Solution Approach 1:
The patent implements preliminary anti-action by using detection circuits to identify and prevent system activation when incorrect filters are installed. The electronic connectors verify filter type compatibility before allowing system operation, and the control system blocks activation if mismatches are detected. This preemptive measure prevents unsafe operation before it can occur, addressing the reliability concern without requiring complex ongoing monitoring.
Data Source
AI summary
A filter connection for a smoke evacuation device includes a filter canister assembly and a socket. The filter canister assembly has a cross-sectional shape with only one line of symmetry that corresponds to a cross-sectional shape of the socket so that the filter canister can only be inserted into the socket in one orientation. One or more key notches on the filter canister may also ensure that the filter is properly installed. A seal creates an airtight boundary between the filter canister and a recess of the socket so that a sealed path in communication with the smoke evacuation device is established before the filter canister is fully inserted into the socket. An electronic connection is made between the filter canister and the socket after the airtight boundary is created.