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3D Printed nasopharyngeal (NP) Test Swabs

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3D Printed nasopharyngeal (NP) Test Swabs for COVID-19.

The most common diagnostic test currently used for detecting the coronavirus in mucous samples is PCR, a polymerase chain reaction test that can detect nucleic acid from SARS-CoV-2 in respiratory specimens. In order to conduct this test nasopharyngeal (NP) test swabs are needed. There is a shortage of the nasopharyngeal (NP) swabs needed to collect samples for COVID-19 testing. These swabs are typically used for testing for influenza and other respiratory infections. The current and impending supply chain shortages are serious enough that clinicians are beginning to design and test their own swabs as quickly and safely as possible.  For example, a 3D Printed nasopharyngeal (NP) Test Swabs. Medically recognized SLA 3D printing systems and materials—commonly used in the dental industry—have been adapted to fulfill production of nasal swabs. The resin-based process offers high-resolution printing, which is needed for the fine components, while bio-compatible materials that have already undergone certification for dental applications can be used right away.
NP swabs overview:
NP swabs are flexible sticks with a bristled end that are inserted into the nose to the back of the nasal cavity and swept around to collect material that sticks to or wicks up the bristles. The swab is then placed into a vial that contains a culture medium. Swab sticks have an intentionally weak point 7–8 cm from the bristled tip, which allows the stick to be broken to the correct length so that the vial can be capped before it is transported to a laboratory for testing.  











references: 

https://www.3dprintingmedia.network/3d-printed-nasal-swabs-covid-19/
https://formlabs.com/covid-19-response/covid-test-swabs/
The design link:
https://www.thingiverse.com/thing:4259605

 


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