{"id":71,"date":"2021-04-05T11:36:55","date_gmt":"2021-04-05T15:36:55","guid":{"rendered":"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/?p=71"},"modified":"2022-04-13T10:07:51","modified_gmt":"2022-04-13T14:07:51","slug":"beard-adaptor-for-ventilation-mask","status":"publish","type":"post","link":"https:\/\/www.hajim.rochester.edu\/senior-design-day\/beard-adaptor-for-ventilation-mask\/","title":{"rendered":"Beard Adaptor for Ventilation Mask"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"270\" height=\"360\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Logo-edited.jpg\" alt=\"\" class=\"wp-image-560\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Logo-edited.jpg 270w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Logo-edited-225x300.jpg 225w\" sizes=\"auto, (max-width: 270px) 100vw, 270px\" \/><\/figure><\/div>\n\n\n\n<div class=\"wp-block-coblocks-accordion\">\n<div class=\"wp-block-coblocks-accordion-item\"><\/div>\n<\/div>\n\n\n\n<h4 class=\"has-text-align-center wp-block-heading\">Problem Statement<\/h4>\n\n\n\n<p class=\"has-primary-color has-text-color\">This project aims to design a portable adaptor device able to attach to an existing ventilation\/anesthesia mask to create a tight seal between a bearded patient\u2019s facial hair and the mask. The objective is to improve gaseous medication delivery and minimize leakage. Ideally, this device would conform to any face shape and beard thickness and could be removed from the bearded surface without leaving residue.<\/p>\n\n\n\n<h4 class=\"alignfull has-text-align-center wp-block-heading\">Impact<\/h4>\n\n\n\n<h6 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">The Problem<\/span><\/h6>\n\n\n\n<ul class=\"wp-block-list\"><li>Beard hair longer than an 1\/8 inch causes gas leakage during anesthesia administration <span class=\"has-inline-color has-primary-color\">(<\/span><a rel=\"noreferrer noopener\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29283316\/\" target=\"_blank\"><span class=\"has-inline-color has-accent-color\">Floyd, 2018<\/span><\/a><span class=\"has-inline-color has-primary-color\">)<\/span><\/li><li>246-times more leakage occurs on bearded faces compared to clean shaven (<a rel=\"noreferrer noopener\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/6702601\/\" target=\"_blank\"><span class=\"has-inline-color has-accent-color\">Skredtvedt, 1984<\/span><\/a>)<\/li><li>Studies found an average of 20-1000% increase in gas leakage in the presence of facial hair (<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/3287880\/\"><span class=\"has-inline-color has-accent-color\">Stobbe, 1988<\/span><\/a>)<\/li><\/ul>\n\n\n\n<h6 class=\"wp-block-heading\"><span style=\"text-decoration: underline;\">The Solution<\/span><\/h6>\n\n\n\n<ul class=\"wp-block-list\"><li>Improve quality and equity of care<\/li><li>Avoid shaving the patient&#8217;s beard<ul><li>Religious beliefs<\/li><li>Lifestyle &amp; comfort<\/li><li>Time consuming &amp; unrealistic in emergency situation<\/li><\/ul><\/li><li>Improve working conditions for medical professionals<ul><li>Reduce fatigue due to difficult masking techniques<\/li><\/ul><\/li><\/ul>\n\n\n\n<h5 class=\"alignfull has-text-align-center has-background-color has-primary-background-color has-text-color has-background wp-block-heading\"><strong>Customer Needs\/Specifications<\/strong><\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">The anesthesia mask adaptor must:<\/h6>\n\n\n\n<ol class=\"is-style-default wp-block-list\"><li>Create a tight seal against facial hair for sufficient gas delivery<\/li><li>Attach to an existing ventilation\/anesthesia mask<\/li><li>Made from biocompatible material for skin contact<\/li><li>Peel off completely from face without leaving residue on the face<\/li><li>Be quickly applied to the patient\u2019s face<\/li><\/ol>\n\n\n\n<h5 class=\"alignfull has-text-align-center has-background-color has-primary-background-color has-text-color has-background wp-block-heading\">Prototypes<\/h5>\n\n\n\n<h5 class=\"wp-block-heading\">Silicone<\/h5>\n\n\n\n<div class=\"wp-block-coblocks-gallery-carousel\"><div class=\"is-cropped coblocks-gallery has-no-alignment has-border-radius-15 has-caption-style-dark has-horizontal-gutter\"><div class=\"has-carousel has-carousel-lrg\" style=\"height:650px\" data-flickity=\"{&quot;autoPlay&quot;:false,&quot;draggable&quot;:true,&quot;pageDots&quot;:true,&quot;prevNextButtons&quot;:true,&quot;wrapAround&quot;:true,&quot;cellAlign&quot;:&quot;center&quot;,&quot;pauseAutoPlayOnHover&quot;:false,&quot;freeScroll&quot;:false,&quot;arrowShape&quot;:{&quot;x0&quot;:10,&quot;x1&quot;:60,&quot;y1&quot;:50,&quot;x2&quot;:65,&quot;y2&quot;:45,&quot;x3&quot;:20},&quot;thumbnails&quot;:false,&quot;responsiveHeight&quot;:false}\"><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/SiliconeMask-768x1024.jpg\" alt=\"\" data-id=\"531\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/siliconemask\/\" class=\"wp-image-531\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/SiliconeSide-768x1024.jpg\" alt=\"\" data-id=\"532\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/siliconeside\/\" class=\"wp-image-532\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/SiliconeTop-768x1024.jpg\" alt=\"\" data-id=\"533\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/siliconetop\/\" class=\"wp-image-533\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/IMG_0230-768x1024.jpg\" alt=\"\" data-id=\"1236\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0230\/\" class=\"wp-image-1236\"\/><\/figure><\/div><\/div><\/div><figcaption class=\"coblocks-gallery--caption coblocks-gallery--primary-caption\"><span class=\"has-inline-color has-primary-color\">Silicone prototypes were made using an EcoFlex Platinum Cure 00-10 silicone kit from SmoothOn cast into a mold. 20% w\/v thinner was added to soften the silicone to the optimal level and increase tackiness to easily attach the adaptor to the existing mask.<\/span><\/figcaption><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Crazy Aaron&#8217;s Thinking Putty<\/h5>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-coblocks-gallery-carousel\"><div class=\"is-cropped coblocks-gallery has-no-alignment has-border-radius-15 has-caption-style-dark has-horizontal-gutter\"><div class=\"has-carousel has-carousel-lrg\" style=\"height:600px\" data-flickity=\"{&quot;autoPlay&quot;:false,&quot;draggable&quot;:true,&quot;pageDots&quot;:true,&quot;prevNextButtons&quot;:true,&quot;wrapAround&quot;:true,&quot;cellAlign&quot;:&quot;center&quot;,&quot;pauseAutoPlayOnHover&quot;:false,&quot;freeScroll&quot;:false,&quot;arrowShape&quot;:{&quot;x0&quot;:10,&quot;x1&quot;:60,&quot;y1&quot;:50,&quot;x2&quot;:65,&quot;y2&quot;:45,&quot;x3&quot;:20},&quot;thumbnails&quot;:false,&quot;responsiveHeight&quot;:false}\"><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-5 has-margin-right-10 has-margin-right-mobile-5\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/PuttyMask-3-768x1024.jpg\" alt=\"\" data-id=\"1059\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/puttymask-3\/\" class=\"wp-image-1059\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-5 has-margin-right-10 has-margin-right-mobile-5\"><img loading=\"lazy\" decoding=\"async\" width=\"864\" height=\"1024\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-864x1024.jpg\" alt=\"\" data-id=\"1060\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/puttyringcropped-2\/\" class=\"wp-image-1060\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-864x1024.jpg 864w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-253x300.jpg 253w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-768x910.jpg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-1297x1536.jpg 1297w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-1729x2048.jpg 1729w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-1200x1421.jpg 1200w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/PuttyRingCropped-2-1980x2345.jpg 1980w\" sizes=\"auto, (max-width: 864px) 100vw, 864px\" \/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-5 has-margin-right-10 has-margin-right-mobile-5\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/ThinkingPuttySide-3-768x1024.jpg\" alt=\"\" data-id=\"1061\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/thinkingputtyside-3\/\" class=\"wp-image-1061\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-5 has-margin-right-10 has-margin-right-mobile-5\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/IMG_0238-768x1024.jpg\" alt=\"\" data-id=\"1237\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0238\/\" class=\"wp-image-1237\"\/><\/figure><\/div><\/div><\/div><figcaption class=\"coblocks-gallery--caption coblocks-gallery--primary-caption\"><span class=\"has-inline-color has-primary-color\">Crazy Aaron&#8217;s Liquid Glass Thinking Putty was molded into the shape of the surface of the anesthesia mask. Crazy Aaron&#8217;s Thinking Putty is able to deform to seep between beard hairs to reduce air pores.<\/span><\/figcaption><\/div>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<h5 class=\"wp-block-heading\">ECG Gel<\/h5>\n\n\n\n<div class=\"wp-block-coblocks-gallery-carousel\"><div class=\"is-cropped coblocks-gallery has-no-alignment has-border-radius-15 has-caption-style-dark has-horizontal-gutter\"><div class=\"has-carousel has-carousel-lrg\" style=\"height:540px\" data-flickity=\"{&quot;autoPlay&quot;:false,&quot;draggable&quot;:true,&quot;pageDots&quot;:true,&quot;prevNextButtons&quot;:true,&quot;wrapAround&quot;:true,&quot;cellAlign&quot;:&quot;center&quot;,&quot;pauseAutoPlayOnHover&quot;:false,&quot;freeScroll&quot;:false,&quot;arrowShape&quot;:{&quot;x0&quot;:10,&quot;x1&quot;:60,&quot;y1&quot;:50,&quot;x2&quot;:65,&quot;y2&quot;:45,&quot;x3&quot;:20},&quot;thumbnails&quot;:false,&quot;responsiveHeight&quot;:false}\"><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/ECGgoodSide-3-1024x768.jpg\" alt=\"\" data-id=\"538\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/ecggoodside-3\/\" class=\"wp-image-538\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/ECGgoodTop-4-768x1024.jpg\" alt=\"\" data-id=\"539\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/ecggoodtop-4\/\" class=\"wp-image-539\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/ECGMask-1-768x1024.jpg\" alt=\"\" data-id=\"540\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/ecgmask-1\/\" class=\"wp-image-540\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/IMG_0258-768x1024.jpg\" alt=\"\" data-id=\"1239\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0258\/\" class=\"wp-image-1239\"\/><\/figure><\/div><\/div><\/div><figcaption class=\"coblocks-gallery--caption coblocks-gallery--primary-caption\"><span class=\"has-inline-color has-primary-color\">ECG gel was extracted from electrodes and constructed into the adaptor shape. ECG gel is tacky enough to adhere to the existing anesthesia mask and is a medical-grade material. Our customer, Dr. Breneman, saw the most promise in the ECG gel material for achieving the needs of the adaptor.<\/span><\/figcaption><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Alginate Gel<\/h5>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-coblocks-gallery-carousel alignfull\"><div class=\"is-cropped coblocks-gallery has-border-radius-15 has-caption-style-dark has-horizontal-gutter has-lightbox\"><div class=\"has-carousel has-carousel-lrg\" style=\"height:530px\" data-flickity=\"{&quot;autoPlay&quot;:false,&quot;draggable&quot;:true,&quot;pageDots&quot;:true,&quot;prevNextButtons&quot;:true,&quot;wrapAround&quot;:true,&quot;cellAlign&quot;:&quot;center&quot;,&quot;pauseAutoPlayOnHover&quot;:false,&quot;freeScroll&quot;:false,&quot;arrowShape&quot;:{&quot;x0&quot;:10,&quot;x1&quot;:60,&quot;y1&quot;:50,&quot;x2&quot;:65,&quot;y2&quot;:45,&quot;x3&quot;:20},&quot;thumbnails&quot;:false,&quot;responsiveHeight&quot;:false}\"><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/04\/AlginateTop_Cropped-780x1024.jpg\" alt=\"\" data-id=\"1093\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/alginatetop_cropped\/\" class=\"wp-image-1093\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/AlginateLandscape-1024x768.jpg\" alt=\"\" data-id=\"344\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/alginatelandscape\/\" class=\"wp-image-344\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/AlginateSide-1024x768.jpg\" alt=\"\" data-id=\"345\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/alginateside\/\" class=\"wp-image-345\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-10 has-margin-right-10 has-margin-right-mobile-10\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/04\/IMG_0232-1024x768.jpg\" alt=\"\" data-id=\"1241\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0232\/\" class=\"wp-image-1241\"\/><\/figure><\/div><\/div><\/div><figcaption class=\"coblocks-gallery--caption coblocks-gallery--primary-caption\"><span class=\"has-inline-color has-primary-color\">Alginate hydrogel was cast in a negative mold to generate the adaptor. The alginate hydrogel acts more as a mechanism to compress facial hair to create a new smooth surface, rather than interacting directly with the hairs. Alginate hydrogel was not pursued to the testing phase as it posed more challenges to effectively manufacture and safely package for extended time, while other materials appear to posses more favorable outcomes that better aligned with our customer&#8217;s wants and needs.<\/span><\/figcaption><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Ultrasound Gel<\/h5>\n\n\n\n<div class=\"wp-block-coblocks-gallery-carousel\"><div class=\"is-cropped coblocks-gallery has-no-alignment has-border-radius-15 has-caption-style-dark has-horizontal-gutter\"><div class=\"has-carousel has-carousel-lrg\" style=\"height:580px\" data-flickity=\"{&quot;autoPlay&quot;:false,&quot;draggable&quot;:true,&quot;pageDots&quot;:true,&quot;prevNextButtons&quot;:true,&quot;wrapAround&quot;:true,&quot;cellAlign&quot;:&quot;center&quot;,&quot;pauseAutoPlayOnHover&quot;:false,&quot;freeScroll&quot;:false,&quot;arrowShape&quot;:{&quot;x0&quot;:10,&quot;x1&quot;:60,&quot;y1&quot;:50,&quot;x2&quot;:65,&quot;y2&quot;:45,&quot;x3&quot;:20},&quot;thumbnails&quot;:false,&quot;responsiveHeight&quot;:false}\"><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-5 has-margin-right-10 has-margin-right-mobile-5\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/IMG_0280-768x1024.jpg\" alt=\"\" data-id=\"1306\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0280\/\" class=\"wp-image-1306\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-5 has-margin-right-10 has-margin-right-mobile-5\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/IMG_0281-768x1024.jpg\" alt=\"\" data-id=\"1307\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0281\/\" class=\"wp-image-1307\"\/><\/figure><\/div><div class=\"coblocks-gallery--item\"><figure class=\"coblocks-gallery--figure has-margin-left-10 has-margin-left-mobile-5 has-margin-right-10 has-margin-right-mobile-5\"><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/ultrasound-768x1024.jpg\" alt=\"\" data-id=\"1946\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/ultrasound\/\" class=\"wp-image-1946\"\/><\/figure><\/div><\/div><\/div><figcaption class=\"coblocks-gallery--caption coblocks-gallery--primary-caption\"><span class=\"has-inline-color has-primary-color\">Ultrasound Gel has been previously found to assist with ventilation on people with thick beards. Unfortunately it is <em>very<\/em> messy and is hard to clean completely out of thick hair. Any residue left behind makes the surface very slick, which is not beneficial for surgeons. That said, it serves as a well documented source that we can compare our results to and confirm our accuracy.<\/span><\/figcaption><\/div>\n<\/div>\n<\/div>\n\n\n\n<h5 class=\"alignfull has-text-align-center has-primary-background-color has-background wp-block-heading\">Testing<\/h5>\n\n\n\n<h5 class=\"wp-block-heading\">Testing Procedure<\/h5>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls muted src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Testing_NoAudio-2.mp4\"><\/video><\/figure>\n\n\n\n<h5 class=\"has-text-align-center has-secondary-background-color has-background wp-block-heading\">Testing Results<\/h5>\n\n\n\n<div class=\"wp-block-coblocks-accordion\">\n<div class=\"wp-block-coblocks-accordion-item\"><details><summary class=\"wp-block-coblocks-accordion-item__title\">Effect of adaptor on maximum air pressure<\/summary><div class=\"wp-block-coblocks-accordion-item__content\">\n<p>In order to analyze the adaptor&#8217;s ability to create a tight seal against facial hair and prevent gas leakage, testing was conducted to determine the maximum air pressure that can be administered through the mask and adaptor using each prototype.<\/p>\n\n\n\n<p>Force sensitive resistors were applied to the left and right cheeks of manikins with varying degrees of facial hair. These were used to measure the force being applied to the face and adaptor using the EC grip technique. This force was kept as constant as possible within each testing set to minimize variation due to applied force in the masking technique. Air flow was delivered into the mask\/adaptor using a ventilation machine set to 22 breaths\/min. The air pressure generated inside the mask\/adaptor was measured using a sensitive pressure gauge. The maximum recorded air pressure delivered for each breath was recorded and compared across the prototypes.<\/p>\n\n\n\n<p>Ultrasound gel was included in this testing procedure as a positive control. Prior literature indicated success in generating a tight seal against facial hair using this gel (<a rel=\"noreferrer noopener\" href=\"https:\/\/link.springer.com\/article\/10.1007\/s11739-020-02547-1\" target=\"_blank\"><span class=\"has-inline-color has-accent-color\">Althunayyan, 2020<\/span><\/a>). However, our customer has indicated that it would not be a suitable material for his purposes due to the significant residue that remains on the patient&#8217;s face following its application.<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/IMG_0219-768x1024.jpg\" alt=\"\" data-id=\"1232\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0219\/\" class=\"wp-image-1232\"\/><figcaption class=\"blocks-gallery-item__caption\">Testing Setup<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" src=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/wp-content\/uploads\/2021\/05\/IMG_0222-768x1024.jpg\" alt=\"\" data-id=\"1234\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/img_0222\/\" class=\"wp-image-1234\"\/><figcaption class=\"blocks-gallery-item__caption\">Air Pressure Data Collection<\/figcaption><\/figure><\/li><\/ul><figcaption class=\"blocks-gallery-caption\">The above images display the setup used for this testing procedure. The ventilator shown at the bottom of the image squeezed an ambu bag to deliver consistent breaths of air. The adaptor was placed on a manikin&#8217;s face with an anesthesia mask attached to the ventilator as shown in the center of the image. The multimeters shown in the top of the image were used to compare the measurements for force applied to the face during masking. The air pressure readings were collected using an Arduino Uno (located on the chair).<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h6 class=\"wp-block-heading\">Maximum Pressure Test Results<\/h6>\n\n\n\n<figure class=\"wp-block-gallery aligncenter columns-1 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"371\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/final-graph.png\" alt=\"\" data-id=\"1967\" data-full-url=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/final-graph.png\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/final-graph\/\" class=\"wp-image-1967\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/final-graph.png 600w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/final-graph-300x186.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/li><\/ul><figcaption class=\"blocks-gallery-caption\">The figure above displays a comparison of the maximum air pressure measured within the adaptor\/anesthesia mask device against manikins with a variety of &#8220;facial hair&#8221; surfaces. Thin and thick turf surfaces were used to mimic the range of characteristics of facial hair.<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h6 class=\"wp-block-heading\"><strong>STATISTICAL ANALYSIS<\/strong> of Maximum Pressure test<\/h6>\n\n\n\n<figure class=\"wp-block-gallery aligncenter columns-1 is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table-1024x575.png\" alt=\"\" data-id=\"1939\" data-full-url=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table.png\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/super-real-actual-stat-table\/\" class=\"wp-image-1939\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table-1024x575.png 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table-300x168.png 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table-768x431.png 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table-1536x862.png 1536w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table-1200x674.png 1200w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/SUPER-REAL-ACTUAL-stat-table.png 1632w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><figcaption class=\"blocks-gallery-caption\">A one-sided t-test was performed to compare the maximum air pressure attained using each adaptor material on each surface. A &#8220;1&#8221; indicates that the adaptor material, in the corresponding column heading, provided a statistically significant increase in the maximum air pressure over the material, indicated in the row heading, for the specified surface. A &#8220;0&#8221; indicates that there is no statistically significant difference between the two materials.<\/figcaption><\/figure>\n\n\n\n<h6 class=\"wp-block-heading\">Concluding Comparisons<\/h6>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Beard Surface<\/td><td class=\"has-text-align-center\" data-align=\"center\">Material with Highest Pressure<\/td><td class=\"has-text-align-center\" data-align=\"center\">Material with Lowest Pressure<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">No Beard<\/td><td class=\"has-text-align-center\" data-align=\"center\">Silicone<\/td><td class=\"has-text-align-center\" data-align=\"center\">ECG Gel<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Thin Turf<\/td><td class=\"has-text-align-center\" data-align=\"center\">ECG Gel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Silicone<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Thick Turf<\/td><td class=\"has-text-align-center\" data-align=\"center\">Thinking Putty<\/td><td class=\"has-text-align-center\" data-align=\"center\">ECG Gel<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Human Beard Hair<\/td><td class=\"has-text-align-center\" data-align=\"center\">Thinking Putty<\/td><td class=\"has-text-align-center\" data-align=\"center\">Silicone<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><span style=\"text-decoration: underline;\">Conclusions:<\/span><\/p>\n\n\n\n<p>The Thinking Putty adaptor allowed for the highest maximum pressure to be achieved on the most realistic (human beard hair) and most difficult for masking (thick turf) beard surfaces we tested. Therefore, it can be concluded that Thinking Putty is the best material for our adaptor to achieve higher air pressures against bearded surfaces.<\/p>\n<\/div><\/details><\/div>\n\n\n\n<div class=\"wp-block-coblocks-accordion-item\"><details><summary class=\"wp-block-coblocks-accordion-item__title\">Residue<\/summary><div class=\"wp-block-coblocks-accordion-item__content\">\n<p>It is important to our customer that no residue is left on the patient&#8217;s face after the adaptor is removed from the facial hair following its use. This allows for a seamless workflow to subsequent steps in anesthesia delivery. Tape must be able to be secured to the patient&#8217;s face, so residue must not interfere with that process.<\/p>\n\n\n\n<p>In order to analyze residue remaining on the patient&#8217;s face following use and removal of the adaptor, the mass of each prototype was measured prior to application to a bearded manikin. After applying proper EC grip technique using the adaptor, the adaptor was removed and the mass was measured again. The change in mass for each prototype was determined.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">residue comparison<\/h6>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Adaptor Material<\/td><td class=\"has-text-align-center\" data-align=\"center\">Percent Decrease in mass<\/td><td class=\"has-text-align-center\" data-align=\"center\">Removal Observations<\/td><td class=\"has-text-align-center\" data-align=\"center\">Residue Observations<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">ECG Gel<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.22%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Peeled off face in one piece.<\/td><td class=\"has-text-align-center\" data-align=\"center\">No apparent residue. Slightly tacky to the touch.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Crazy Aaron&#8217;s Thinking Putty<\/td><td class=\"has-text-align-center\" data-align=\"center\">1.93%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Majority of material peeled off face in one piece.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Small bits of putty remained in turf beards.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Silicone<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.17%<\/td><td class=\"has-text-align-center\" data-align=\"center\">Peeled off face completely in one piece.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Thin tacky film remained on contact area.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Ultrasound Gel<\/td><td class=\"has-text-align-center\" data-align=\"center\">N\/A<\/td><td class=\"has-text-align-center\" data-align=\"center\">Majority of gel remained on face.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Most gel remained on face. Would require wipe to remove excess gel.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><span style=\"text-decoration: underline;\">Conclusions:<\/span><br>All of our adaptor materials (other than ultrasound gel, which was used as a comparison material) resulted in relatively little residue remaining on the face. The silicone adaptor had the smallest decrease in mass after removal, meaning very little mass was left on the face. However, the ECG gel adaptor left the least noticeable residue to the touch, suggesting it would be the most favorable material to minimize residue left on the patient&#8217;s face.<\/p>\n<\/div><\/details><\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Customer Feedback<\/h4>\n\n\n\n<p>Our customer, Dr. Breneman, emphasized the importance of the adaptor material not leaving residue on the face, making this a priority in material selection. He inspired us to begin our material investigation and selection with ECG gel and materials with similar properties. Our residue testing results at this point are consistent with his idea.<\/p>\n\n\n\n<p>Dr. Breneman encouraged testing the adaptors for their ability to withstand high gas pressures to indicate a tight seal had been achieved. Due to difficulties in applying constant force across the surfaces using the EC grip, Dr. Breneman suggested that during future testing, with additional equipment, the pressure inside the mask balloon would be incrementally increased, then compared to the maximum pressures inside the mask\/adaptor when leakage occurred. <\/p>\n\n\n\n<h5 class=\"alignfull has-text-align-center has-background-color has-primary-background-color has-text-color has-background wp-block-heading\">Next Steps<\/h5>\n\n\n\n<p>While we have made significant progress, there are opportunities to further build upon our work. Here are our recommendations for future material development, testing and production considerations:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>ECG Gel:<\/strong><ul><li>ECG gel possesses many promising qualities to indicate its favorable use in this device, but a method for generating one smooth surface would need to be utilized to ensure structural stability in this adaptor. The current prototype was constructed by combining many gel patches, but are unable to retain its integrity over time.<\/li><\/ul><ul><li>Currently, CONMED ECG gel formulations and properties are proprietary information, and our CONMED contacts were unable to provide additional information.<\/li><li>Partnering with CONMED may provide an opportunity to more efficiently utilize ECG gel for the production of the adaptor.<\/li><\/ul><\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Investigations into additional hydrogels:<\/strong> <ul><li>We approximated the gels using an alginate solution, but other patents\/formulas are available to replicate. <\/li><\/ul><\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Sterilization and Packaging:<\/strong> <ul><li>The alginate prototype unfortunately grew mold after ~72 hours in a sealed container. Making these in a sterile environment, and keeping them sterile for their lifetime, is a challenge of its own. <\/li><\/ul><ul><li>Ethanol sterilization has been the most promising way to sterilize alginate hydrogels.<\/li><li>Because of the variety of materials we experimented with, there is no one solution for sterilization &amp; packaging, and must be adapted for each individual material.&nbsp;<\/li><li>UV light should not induce any major mechanical or chemical changes for silicone.<\/li><\/ul><\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Analysis of Mechanical Properties:<\/strong> <ul><li>Our analysis was based on the hardness of a material, which is a material\u2019s resistance to penetration. Since low hardness materials are more penetrable, our thinking was that a material with low enough hardness could get the beard hairs to embed themselves in the adaptor instead of being compressed.&nbsp;<\/li><\/ul><ul><li>The viscosity, stiffness, and potentially, hardness of the material would need to be tested to ensure that the product is reproducible.<\/li><\/ul><\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Improved pressure applied readings:<\/strong> <ul><li>We approximated the pressure applied to the mask and adaptor during ventilation based on 2 force sensitive resistors placed on the cheeks. Placing additional FSRs or using long strips <span class=\"has-inline-color has-primary-color\">(<\/span><a rel=\"noreferrer noopener\" href=\"https:\/\/www.adafruit.com\/product\/1071?gclid=CjwKCAjwm7mEBhBsEiwA_of-TCbJNqyzY0d_wjq5-LlRJefthm-otBpcpG28lQwfAZ1PNzJyIOgAGxoCyOwQAvD_BwE\" target=\"_blank\"><span class=\"has-inline-color has-accent-color\">Force Sensitive Resistor Strip<\/span><\/a><span class=\"has-inline-color has-primary-color\">)<\/span> can yield more accurate readings with less error.<\/li><\/ul><\/li><\/ul>\n\n\n\n<h5 class=\"alignfull has-text-align-center has-primary-background-color has-background wp-block-heading\">Our Team<\/h5>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-gallery columns-4 is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"2146\" height=\"2560\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1.jpg\" alt=\"\" data-id=\"493\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/meredith_headshot-1\/\" class=\"wp-image-493\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1.jpg 2146w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1-251x300.jpg 251w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1-858x1024.jpg 858w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1-768x916.jpg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1-1288x1536.jpg 1288w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1-1717x2048.jpg 1717w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1-1200x1432.jpg 1200w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Meredith_Headshot-1-scaled-1-1980x2362.jpg 1980w\" sizes=\"auto, (max-width: 2146px) 100vw, 2146px\" \/><figcaption class=\"blocks-gallery-item__caption\">Meredith Ackley<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"2008\" height=\"2560\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1.jpg\" alt=\"\" data-id=\"505\" data-full-url=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1.jpg\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/theo_headshot\/\" class=\"wp-image-505\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1.jpg 2008w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1-235x300.jpg 235w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1-803x1024.jpg 803w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1-768x979.jpg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1-1205x1536.jpg 1205w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1-1606x2048.jpg 1606w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1-1200x1530.jpg 1200w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Theo_Headshot-scaled-1-1980x2524.jpg 1980w\" sizes=\"auto, (max-width: 2008px) 100vw, 2008px\" \/><figcaption class=\"blocks-gallery-item__caption\">Theo Couderc<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"566\" height=\"758\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Spencer_Headshot.jpg\" alt=\"\" data-id=\"1088\" data-full-url=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Spencer_Headshot.jpg\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/spencer_headshot\/\" class=\"wp-image-1088\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Spencer_Headshot.jpg 566w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Spencer_Headshot-224x300.jpg 224w\" sizes=\"auto, (max-width: 566px) 100vw, 566px\" \/><figcaption class=\"blocks-gallery-item__caption\">Spencer Fink<\/figcaption><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"2560\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1.jpg\" alt=\"\" data-id=\"504\" data-full-url=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1.jpg\" data-link=\"https:\/\/seniordesign.digitalscholar.rochester.edu\/bme2021\/2021\/beard-adaptor-for-ventilation-mask\/attachment\/joe_headshot\/\" class=\"wp-image-504\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1.jpg 1920w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1-225x300.jpg 225w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1-768x1024.jpg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1-1152x1536.jpg 1152w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1-1536x2048.jpg 1536w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Joe_Headshot-scaled-1-1200x1600.jpg 1200w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><figcaption class=\"blocks-gallery-item__caption\">Joseph Madejski<\/figcaption><\/figure><\/li><\/ul><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 class=\"has-text-align-center wp-block-heading\">Customer<\/h6>\n\n\n\n<p class=\"has-text-align-center\"><strong>Dr. Stephen Breneman<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">Anesthesiologist, URMC<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 class=\"has-text-align-center wp-block-heading\">Supervisor<\/h6>\n\n\n\n<p class=\"has-text-align-center\"><strong>Dr. Edmund Lalor<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">Department of Biomedical Engineering, University of Rochester<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h6 class=\"has-text-align-center wp-block-heading\">Project Liason<\/h6>\n\n\n\n<p class=\"has-text-align-center\"><strong>Emma Vogan<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\">CMTI, University of Rochester<\/p>\n<\/div>\n<\/div>\n\n\n\n<h5 class=\"alignfull has-text-align-center has-primary-background-color has-background wp-block-heading\">Acknowledgements<\/h5>\n\n\n\n<p>We would like to thank the following people for their advice, assistance and guidance on this project:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Dr. Stephen Breneman<\/li><li>Dr. Edmund Lalor<\/li><li>Emma Vogan<\/li><li>Dr. Amy Lerner<\/li><li>Dr. Scott Seidman<\/li><li>Art Salo<\/li><li>Dr. Kanika Vats<\/li><li>Dr. Greg Gdowski<\/li><li>Cathy VanHouten, MS, RN, CNS, CWON<\/li><li>Austin Orsini from CONMED Corp.<\/li><li>Julia Myers<\/li><\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">References<\/h5>\n\n\n\n<p>Althunayyan, Saqer M. et al. \u201cUsing gel for difficult mask ventilation on the bearded patients: a simulation-based study.\u201d <em>Internal and Emergency Medicine<\/em>, 1\u20137. 6 Nov. 2020, doi:10.1007\/s11739-020-02547-1<\/p>\n\n\n\n<p>Floyd EL, Henry JB, Johnson DL. Influence of facial hair length, coarseness, and areal density on seal leakage of a tight-fitting half-face respirator. J Occup Environ Hyg. 2018 Apr;15(4):334-340. doi: 10.1080\/15459624.2017.1416388. PMID: 29283316.<\/p>\n\n\n\n<p>Skretvedt OT, Loschiavo JG. Effect of facial hair on the face seal of negative-pressure respirators. Am Ind Hyg Assoc J. 1984 Jan;45(1):63-6. doi: 10.1080\/15298668491399389. PMID: 6702601.<\/p>\n\n\n\n<p>Stobbe TJ, daRoza RA, Watkins MA. Facial hair and respirator fit: a review of the literature. Am Ind Hyg Assoc J. 1988 Apr;49(4):199-204. doi: 10.1080\/15298668891379594. PMID: 3287880.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"300\" src=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Hajim_Logo-H-4-1024x300.jpg\" alt=\"\" class=\"wp-image-1473\" srcset=\"https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Hajim_Logo-H-4-1024x300.jpg 1024w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Hajim_Logo-H-4-300x88.jpg 300w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Hajim_Logo-H-4-768x225.jpg 768w, https:\/\/www.hajim.rochester.edu\/senior-design-day\/wp-content\/uploads\/2021\/05\/Hajim_Logo-H-4.jpg 1063w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An adaptor device able to attach to a ventilation\/anesthesia mask to improve gaseous medication delivery to patients with facial hair.<\/p>\n","protected":false},"author":6242,"featured_media":2026,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/template-full-width.php","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3026,56,2946],"tags":[],"coauthors":[8612],"class_list":["post-71","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-accessibility-archive","category-bme-archive","category-medical-archive"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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