Comfortable Face Mask for Long-Term Wear

舒适的面罩，适合长期佩戴

• 批准号: 10725687
• 负责人: ALEXANDER V MAMISHEV
• 金额: $ 20.32万
• 依托单位: UNIVERSITY OF WASHINGTON
• 依托单位国家: 美国
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-09-01 至 2025-08-31
• 项目状态: 未结题
• 来源: https://reporter.nih.gov/project-details/10725687
• 关键词: Comfortable; Face; Mask; Long; Term

PROJECT SUMMARY Although air-purifying respirators (APRs) protect against the spread of harmful particulate matter from nat- ural disasters like wildfires or pandemics like COVID-19, industry-standard APRs can cause contact dermatitis, discomfort, and bruising after prolonged wear; obstruction of visual communication, significant environmental waste, and, in many types of commonly used masks, provide insufficient or unknown filtration. When the appro- priate fit of an N95 filtering facepiece respirator (N95 FFR) is pursued, long-term wear can cause painful bruising of the skin, making them unsuitable for long-term occupational use. This NIH R21 project proposes the develop- ment of a new type of personal respiratory protection device called the Smart, Individualized, Near-face, Ex- tended Wear (SINEW) Mask. The proposed design uses electrostatic filters to overcome many of the barriers of traditional masks while providing a high degree of protection. Using an N95 FFR significantly increases breathing resistance which is problematic for workers performing physically demanding tasks. To avoid increasing breath- ing resistance, the innovative design removes particles from airflow, while the mask does not come in contact with the skin of the wearer’s face. Instead, it uses a comfortable headband to keep the mask in place. The filtering action takes place along the entire perimeter of the mask, 3 to 10 mm from the face surface. Particles and droplets present in the air are removed with electrostatic forces. While this principle is common for industrial electrostatic precipitators (ESP) and is in HVAC equipment, a wearable filter for the face using electrostatic precipitation is a novel approach, enabled only by recent miniaturization of power electronics and advances in material science, specifically in catalytic coatings. Resistance to airflow is negligible because of the fundamental feature of the design – the gap between the mask and the face lets air through freely while removing the harmful particles in both the inhalation and the exhalation cycles. This feature is very important for exercise and for comfortable breathing by workers with health conditions (e.g., asthma) that would prevent them from using a traditional FFR. Other advantages of the design include a clear face shield, which allows people to read the lips and facial expressions of the wearer. The SINEW Mask is sterilizable and reusable, so it does not contribute to the escalating global waste problem of disposable masks. The recent COVID-19 pandemic demonstrated that uncomfortable masks lead to reduced usage. SINEW Masks can improve the long-term health of firefighters, healthcare workers, and any worker who needs comfortable, sterilizable, reusable protection against harmful particulate matter.

项目摘要 尽管空气纯化的呼吸器（APR）可以防止有害特定物质的传播 乌拉尔灾害，例如野火或诸如Covid-19，行业标准的APR等大流行病可能会导致接触性皮炎， 不适，长时间磨损后瘀伤；视觉交流的目标，重要的环境 废物，并且在许多类型的常用口罩中，都提供了不足或未知的过滤。当批准时 追求N95过滤面部呼吸器（N95 FFR）的价格适合，长期磨损会导致痛苦的瘀伤 皮肤，使其不适合长期占用。该NIH R21项目提出了开发 - 一种新型的个人呼吸保护装置，称为智能，个性化，近面，Ex- 倾向于磨损（Sinew）口罩。拟议的设计使用静电过滤器来克服许多障碍 传统面具，同时提供高度保护。使用N95 FFR显着增加呼吸 阻力对于执行身体要求苛刻的任务的工人是有问题的。避免呼吸 - 阻力，创新设计可去除气流中的颗粒，而面罩没有接触 带有佩戴者脸的皮肤。取而代之的是，它使用舒适的头带将口罩固定在适当的位置。过滤 动作沿着面具的整个周长进行，距面部表面3至10毫米。颗粒和 空气中存在的液滴用静电力去除。虽然该原则对于工业很常见 静电止动物（ESP），在HVAC设备中，使用静电的脸部可穿戴过滤器 降水是一种新颖的方法，仅通过最新的电力电子和进步而实现 材料科学，特别是催化涂层。由于基本，对气流的阻力可以忽略 设计的特征 - 面具和脸之间的缝隙使空气自由地消除有害 吸入和呼气周期中的颗粒。此功能对于锻炼非常重要 具有健康状况的工人（例如哮喘）的舒适呼吸，这将阻止他们使用 传统的FFR。设计的其他优点包括清除面罩，这使人们能够阅读嘴唇 和穿着者的面部表情。正弦面膜是可消毒的，可重复使用的，因此不会有助于 一次性面具的全球废物问题不断升级。最近的Covid-19大流行证明了 不舒服的口罩导致使用减少。 Sinew口罩可以改善消防员的长期健康状况， 医护人员和任何需要舒适，无菌，可重复使用的保护的工人，可防止有害 颗粒物。