{"id":13691,"date":"2020-06-23T10:01:03","date_gmt":"2020-06-23T14:01:03","guid":{"rendered":"https:\/\/engineering.jhu.edu\/magazine-archive\/?p=13691"},"modified":"2020-06-24T14:35:01","modified_gmt":"2020-06-24T18:35:01","slug":"addressing-ventilator-shortage","status":"publish","type":"post","link":"https:\/\/engineering.jhu.edu\/magazine-archive\/2020\/06\/addressing-ventilator-shortage\/","title":{"rendered":"Institution-Wide Effort to Address Ventilator Shortage"},"content":{"rendered":"

In response to a pressing need for more ventilators to treat critically ill COVID-19 patients, JHU\u2019s Applied Physics Laboratory<\/a> hosted an online design workshop to coordinate university-wide efforts to address the issue. The event provided a way to \u201cget ideas out on the table and to draw expertise from across the institution\u201d says workshop leader Alan Ravitz<\/a>, chief engineer of APL\u2019s National Health Mission and an instructor in WSE\u2019s Engineering for Professionals<\/a> programs.<\/p>\n

The two projects the group selected to support were spearheaded by WSE teams.<\/p>\n

\n

Simplicity and Quantity<\/h2>\n
\"Nick
Keim’s prototype was tested at the Johns Hopkins Medicine Simulation Center<\/figcaption><\/figure>\n

Simplicity and a goal of mass production inspired the design for the pumpless ventilator created by Nick Keim<\/strong>, deputy director of WSE\u2019s Energetics Research Group<\/a> and an instructor in Engineering for Professionals.<\/p>\n

While the oxygen used in ventilators usually derives from a cylinder or a medical oxygen station, Keim\u2019s ventilator uses air as its source and comprises only three actively controlled valves, two sensors, two mechanical safety valves, and an algorithm that ensures requirements for air and oxygen delivery volumes, pressures, and rates are met. \u201cBecause it is mechanically simple, it is very reliable, and it\u2019s very low powered. We believe we can run it for 24 hours on a 12-volt battery,\u201d Keim says. The components he selected come from national, highly reliable distributors, are available in quantities of more than 10,000, and can be manufactured on a large scale. \u201cOur goal is mass production,\u201d says Keim.<\/p>\n

\n

Double Duty<\/h2>\n
\"Helen
Helen Xun, a medical student working with Kang, showing off two forms of ventilator splitters she is helping to design and 3D print.<\/figcaption><\/figure>\n

Sung Hoon Kang<\/a>, an assistant professor in the Department of Mechanical Engineering<\/a>, has developed a prototype of a 3D printed ventilator splitter that will allow a single ventilator to treat multiple patients. \u201cThere is an emphasis right now on using engineering to develop open-source solutions to many aspects of the COVID-19 crisis, but especially for ventilator design and production,\u201d says\u00a0Kang, whose team includes ICU intensivists and pulmonary specialists at JHU\u2019s School of Medicine<\/a>.<\/p>\n

Kang\u2019s design includes an air flow controller and flow meters to allow for the adjustment of oxygen levels and air flow for different patients, and a filter to prevent cross-contamination and the spreading of germs between patients. Team members are\u00a0 testing their design on model lungs and, once it is approved by the FDA, will publish their open-source design for others to use.<\/p>\n

\n

Our researchers, medical teams, staff, and students are working tirelessly to help with testing, patient care, and preventive care\u2014with your support we can do more! Visit\u00a0engineering.jhu.edu\/giving<\/a>\u00a0to make a gift in support of our efforts.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

In response to a pressing need for more ventilators to treat critically ill COVID-19 patients, JHU\u2019s Applied Physics Laboratory hosted an online design workshop to coordinate university-wide efforts to address the issue. The two projects the group selected to support were spearheaded by WSE teams.<\/p>\n","protected":false},"author":4,"featured_media":13874,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4941],"tags":[277,2083,3935,4949,4954],"class_list":["post-13691","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-responding-to-covid-19","tag-energetics-research-group","tag-mechanical-engineering","tag-engineering-for-professionals","tag-covid-19","tag-ventilator","issue-summer-2020"],"acf":[],"yoast_head":"\nInstitution-Wide Effort to Address Ventilator Shortage - JHU Engineering Magazine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/engineering.jhu.edu\/magazine-archive\/2020\/06\/addressing-ventilator-shortage\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Institution-Wide Effort to Address Ventilator Shortage - JHU Engineering Magazine\" \/>\n<meta property=\"og:description\" content=\"In response to a pressing need for more ventilators to treat critically ill COVID-19 patients, JHU\u2019s Applied Physics Laboratory hosted an online design workshop to coordinate university-wide efforts to address the issue. 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