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Updated: Feb 2, 2026
Methodology for Sputum Induction and Laboratory Processing
Published on: December 17, 2017
Closed-type pre-treatment device for point-of-care testing of sputum
Hyun-Ju Park1, Ayoung Woo1, Jae Min Cha2
1Department of Medical Device Management and Research, Samsung Advanced Institute for Health Sciences & Technology, Sungkyunkwan University, Seoul, 06351, Republic of Korea.
Abstract:
The procedures and protocols for the pre-treatment of sputum specimens, mainly used for the diagnosis of pneumonia, are complex, labor intensive, and require skilled specialists working in a biosafety containment laboratory because of sample infectivity. In this study, we developed the first portable, low-power pre-treatment device that carries out all sputum pre-treatment procedures (liquefaction, homogenization, dissolution, and inactivation) in an enclosed space. Designed to simultaneously employ chemical and mechanical dissolution in the enclosed chamber, this device eliminates the risk of transmission and improves the effectiveness of sputum dissolution and pathogen detection. This device is expected to allow for the pre-treatment of infectious sputum specimens outside of a biosafety containment laboratory. Used in conjunction with automated genome extraction and detection systems, this device should make the on-site diagnosis using infectious sputum specimens possible.
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