Deep-Inserting Nose Plug for Underwater Pressure Equalization
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Solution Overview
Problem
Divers wearing diving equipment such as helmets or full-face masks face challenges in performing effective nasal pressure equalization due to limited access to their nose, leading to discomfort and inefficiency with existing nose clearing devices.
Innovation Solution
A nose plug with integrally formed nasal inserts that fit snugly into the nostrils, providing a strong seal and reducing the need for manual force, attached to diving equipment via a base that can be adjusted for easy positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a nose block is pressed directly against the diver's nose to seal the nasal passage, then the seal effectiveness is improved, but the discomfort and pain increase due to large pressing force
Solution Approach 1:
The nose plug is segmented into multiple functional zones: a base portion for positioning, a nose block for sealing, and two nasal inserts for deep nostril insertion. This segmentation allows different parts to perform specialized functions - the nasal inserts provide deep sealing with minimal force while the base provides stable positioning, resolving the contradiction between seal effectiveness and comfort.
Solution Approach 2:
The nasal inserts are nested within the nose block structure, with each insert designed to protrude from the base and extend into the respective nostril. This nested configuration allows the sealing action to occur deep within the nostrils where less force is required, while the outer nose block provides structural support and positioning without requiring excessive pressing force against the external nose.
2Stability of the object's composition
If the nose block is pressed with large force to maintain seal during exhalation, then the seal stability is improved, but the comfort deteriorates during longer dives
Solution Approach 1:
The sealing mechanism transitions from a two-dimensional surface seal (nose block against external nose) to a three-dimensional volumetric seal (nasal inserts deep within nostrils). This dimensional change allows the seal to engage with the internal structures of the nostrils where exhalation forces are distributed over a larger area, providing stable sealing during repeated equalization maneuvers without requiring excessive external pressing force.
3Object-affected harmful factors
If diving equipment covers the diver's face and nose, then protection is improved, but access to the nose for manual plugging is restricted
Solution Approach 1:
The nose plug is designed as a self-service device that is pre-positioned within the diving equipment (helmet or mask) and activated by simple user actions (pulling the base or manipulating the nasal inserts) rather than requiring manual manipulation of the nose itself. The device automatically performs the sealing function when engaged, eliminating the need for the diver to manually access and plug their nose while wearing protective equipment.
4Reliability
If a nose clearing device is added to provide nasal sealing, then the ability to equalize pressure is improved, but the device complexity increases
Solution Approach 1:
The nose plug base serves multiple functions: it provides structural support for the nasal inserts, acts as a positioning element against the external nose, serves as a manipulation point for the user, and can be integrated with existing diving equipment interfaces. This multi-functionality reduces the need for separate components and simplifies the overall device structure while maintaining effective pressure equalization capability.
Data Source
AI summary
A nose plug for performing a pressure equalization maneuver while underwater diving may include a base, a first nasal insert, and a second nasal insert. The first nasal insert and/or the second nasal insert may project from the base. The first nasal insert may fit snuggly within and may protrude deeply into a first nostril of a user when in use such that airflow through the first nostril is prevented. The second nasal insert may fit snuggly within and may protrude deeply into a second nostril of a user when in use such that airflow through the second nostril is prevented.