Eyelid Aperture Draining Device with Segmented Side Walls
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Solution Overview
Problem
Conventional draining devices for eye surgeries are inadequate in effectively draining liquids from the eyelid aperture, leading to stagnation due to limited inflow and passage cross-sectional areas, and often hinder surgical operations with their size and design.
Innovation Solution
A draining device with a main body featuring side wall members and a connecting portion that increases the inflow and passage cross-sectional areas, allowing for efficient liquid drainage through capillary action, and includes features like curved tips, gripping ledges, and a water-absorbing material to enhance drainage efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional draining devices are used, then the device structure is simple, but the draining ability is insufficient due to limited inflow and passage cross-sectional areas
Solution Approach 1:
The draining device is divided into multiple side wall members (first, second, third, fourth side wall members) that are spaced apart to form multiple liquid draining passages. This segmentation increases the total passage cross-sectional area and inflow cross-sectional area, enabling more effective drainage of accumulated liquid from the eyelid aperture during eye surgery.
Solution Approach 2:
The side wall members are arranged in a spaced-apart configuration to create three-dimensional liquid draining passages between them. This spatial arrangement increases the volume and cross-sectional area of the drainage pathways, allowing liquid to flow from multiple directions and through multiple channels simultaneously, thereby enhancing draining ability.
2Productivity
If the draining device is designed with larger dimensions to increase drainage capacity, then the draining ability improves, but the device hinders surgical operations
Solution Approach 1:
Instead of using a single large draining structure that would obstruct surgery, the device is segmented into multiple thin side wall members spaced apart. This creates multiple narrow passages that collectively provide high drainage capacity while maintaining a compact overall profile that does not interfere with surgical instruments and operations.
Solution Approach 2:
The side wall members are positioned specifically at the eyelid aperture region where liquid accumulation occurs. The local drainage capacity is enhanced at this critical location while the rest of the device maintains a minimal profile. The spaced-apart configuration allows liquid to be drained locally without requiring a large overall device structure.
3Productivity
If the draining device uses a pump to increase suction force, then the liquid drainage efficiency improves, but the device requires driving power and emits sound
Solution Approach 1:
The draining device utilizes the natural capillary action and surface tension of liquid to flow through the spaced-apart side wall members. The multi-passage structure passively directs liquid flow from the eyelid aperture without requiring any active pumping mechanism. This self-service approach eliminates the need for driving power while maintaining effective drainage efficiency.
Solution Approach 2:
The patent replaces the mechanical pump system with a passive structural design. Instead of using mechanical suction force from a pump, the device relies on the geometric configuration of spaced-apart side wall members that create capillary channels. This substitution eliminates the need for mechanical energy input and sound-generating components while achieving liquid drainage through physical structure alone.
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 effectively drains a large amount of liquid accumulated in the eyelid aperture, reducing stagnation and allowing for smoother surgical operations without damming liquids, and can be easily positioned on various eyelid shapes and sizes.
Implementation Method 1
a liquid moves through a space formed between a main body of the draining device and an eyelid by a capillary action, etc., to be drained
Data Source
AI summary
The draining device 1 is provided with a main body 11 including two side wall members 111 each having a tip end section 111B curved downward, and a connecting portion 12 connecting the side wall members 111. In a manner such that at least upper portions of adjacent side wall members 111 are spaced at a certain distance d and side surfaces 111a of the adjacent side wall members 111 face each other, by connecting the side wall members 111 of the main body 11 with the connecting portion 12, a liquid draining passage R for draining a liquid to a space between adjacent side wall members 111. For this reason, since the liquid inflow cross-sectional area S1 and the passage cross-sectional area S2 increase, it becomes possible to introduce a large amount of liquid into the gap between the side wall members and pass therethrough.