Elastic Binocular Microscope Shield Barrier for Aerosol Protection
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Solution Overview
Problem
Dental and endodontic procedures generate aerosols that pose significant infection control challenges, with existing personal protective equipment (PPE) failing to adequately protect healthcare professionals using binocular operating microscopes due to ergonomic difficulties with goggles or face shields.
Innovation Solution
A flexible, elastic rubber shield barrier that mounts to binocular operating microscopes, providing a seal around each optic and adjusting for interpupillary distance, combined with a transparent rigid section for enhanced protection and visibility, eliminating the need for bulky PPE.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If goggles or face shields are used for protection, then protection from aerosol and splatter is improved, but ease of operation deteriorates due to ergonomic difficulties with binocular operating microscopes
Solution Approach 1:
The protective shield is divided into multiple segments: a head shield portion, a body shield portion, and a chin shield portion. This segmentation allows each portion to be optimized for its specific function while maintaining overall compatibility with binocular operating microscopes, resolving the contradiction between protection and ease of operation.
Solution Approach 2:
The invention transitions from traditional 2D PPE (goggles, face shields) to a 3D spatial barrier system that envelops the operator's head and body. The shield creates protective zones in multiple dimensions around the operator, allowing full use of binocular microscopes while providing comprehensive protection from aerosols and splatter.
2Reliability
If enhanced PPE such as goggles or face shields is used, then protection from disease transmission is improved, but device complexity increases and ergonomics deteriorate
Solution Approach 1:
The invention merges multiple protective functions into a single integrated shield system that combines head protection, body protection, and chin protection in one unit. This unified design eliminates the need for multiple separate PPE items, reducing overall device complexity while maintaining reliable protection from disease transmission.
Solution Approach 2:
The shield system is designed as a universal protective barrier that can be used with all types of binocular operating microscopes and provides multiple functions: protecting from aerosols, allowing microscope operation, and maintaining ergonomic comfort. This multi-functionality reduces the need for additional specialized equipment.
3Object-affected harmful factors
If a seal is created around microscope optics, then protection from aerosol is improved, but adaptability deteriorates when interpupillary distance varies
Solution Approach 1:
The shield incorporates adjustable components that allow dynamic adaptation to different interpupillary distances. The head shield portion can be repositioned and reconfigured to match the operator's specific anatomical dimensions, maintaining the seal around optics while accommodating individual variations in interpupillary distance.
Solution Approach 2:
The shield system allows for parameter changes in positioning and configuration to accommodate different user dimensions. The adjustable head shield portion can be repositioned along the optical axis and laterally to maintain proper sealing while adapting to varying interpupillary distances, thus preserving both protection and adaptability.
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 shield barrier effectively protects healthcare professionals from patient aerosols and splatter, allowing secure use of binocular microscopes without ergonomic issues, enhancing infection control and visualization during procedures.
Implementation Method 1
a flexible/elastic rubber section (latex, nitrile or similar) with two pre-punched holes is provided. Each rubber section provides pre-punched holes of smaller diameter than each binocular operating microscope optic diameter. Each optic of the binocular operating microscope is placed through each corresponding pre-punched hole of the device disclosure or shield barrier and tightly adapts around each corresponding optic once the device disclosure is mounted. The elasticity of the material in this rubber section tightly seals around the periphery of each corresponding optic
Data Source
AI summary
A device for protecting a dental professional from patient aerosol and splatter is provided. The device includes a first elastic section with two holes connected to a second rigid section. The first section is sufficiently elastic to allow for increasing or decreasing the inter optic distance of a binocular operating microscope without affecting the seal or material integrity of the first section or the position or function of the second section.