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PPE Manufacturing Specifications & Instructions

Below is a compiled list of available manufacturing information for Critically Needed Medical PPE. This information has been provided by various third-party sources (companies, universities, industry experts, and volunteer groups), and as such, Purdue University cannot provide any guarantees on the accuracy and reliability of the information provided. The information is provided as a reference, and individual companies should conduct their own independent vetting process before deciding to use this information. This list will be updated as new manufacturing information becomes available, so please check back regularly.

Facemasks/Respirators:

Below are two sites with information on making sewn fabric masks:

Patterns and instructions for sewn fabric face masks

Patterns and instructions for sewn fabric face masks with insertable filter material

Below is a site with information on making a Powered, Air Purifying Respirator (PAPR):

Designs and Manufacturing Instructions for Powered, Air Purifying Respirator (PAPR)

Ventilators:

Medtronic has made full design specifications, design and production documents, and software code for their PB-560 Portable Ventilator available for free with a temporary permissive license

News release regarding availability of ventilator files

Medtronic Permissive License

Registration Link for access to ventilator files (manufacturing and requirements documents, electrical schematics, manuals, etc.)

Face Shields: 

Below is an open-source document with a materials list, design specifications, and manufacturing instructions for producing face shields:

Face Shield Manufacturing Document

Face Shield Manufacturing Document - 3D printing

Isolation Suits/Gowns: (will re-direct to Google Drive)

Below is an open-source document for making isolation suits.  The document contains design info, bill of materials, patterns, construction details, and assembly instructions:

Isolation Suit Manufacturing Document

Notes: This design produces a working isolation suit if seams are sealed. The recommended material is Tyvek 1433R. Sewing seams make the garment more permeable because of needle holes; an only-sewn suit should not be used to treat active patients. Please read through the techpack for full construction details based on what kind of machine you have accessible. Dupont has a guide for seaming & sealing Tyvek to itself in order to make sealed seams. Heat sealing the outer edge at 120-130°C before sewing would result in more-sealed, more-robust seams.

Alcohol-Based Hand Sanitizer:

Temporary policy and production guide for manufacturers producing alcohol-based hand sanitizer products during the public health emergency (COVID-19). 

FDA Guidance for industry

World Health Organization Guide to Producing Hand Sanitizer

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