An Inexpensive, Portable Shield to Improve Healthcare Worker Safety During Intubation Procedures
2023 45TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY, EMBC(2023)
摘要
Healthcare workers (HCW) are exposed to risk of infection during intubation procedures, in particular, in the prehospital setting. Here, we demonstrate a novel shield that can be used during intubation to block aerosols and droplets from reaching the HCW. The device is mounted on the patient's head and provides a barrier between patient and HCW. It incorporates a self-sealing port through which an endotracheal tube can be inserted. The port "floats" in the plane of the shield to facilitate maneuvering of the endotracheal tube. The shield is fabricated from transparent materials to enable the HCW to visualize the procedure. Using two complementary imaging methods, background oriented Schlieren imaging and laser sheet droplet imaging, we show that the device prevents detectable transmission of gas flow and droplets through the shield both before and after endotracheal tube insertion.
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