Evaluation of Applied Force During Nasopharyngeal Swab Sampling Using Handheld Sensorized Instrument

Title
Evaluation of Applied Force During Nasopharyngeal Swab Sampling Using Handheld Sensorized Instrument
Authors
양성욱이종원박채원최인구노주형임소윤김성한
Keywords
COVID-19; Nasopharyngeal Swab Sampling; Handheld Sensorized Instrument
Issue Date
2021-11
Publisher
Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Citation
-2210
Abstract
Nasopharyngeal swab is the most widely used diagnostic test for COVID-19 detection. However, enormous tests have posed a high risk of infection to medical professionals due to close contact with patients and substantial health burden. While automation of the nasopharyngeal swab is regarded as a potential solution to address these problems, the quantitative study of force for safe and effective control has not been widely performed yet. Hence, this study presents applied force during the standard nasopharyngeal swab sampling procedure using a handheld sensorized instrument. The sensorized instrument can simultaneously measure multi-axis forces and 6-DOF hand motion while allowing natural hand motion as is used in the standard swab sampling. To accurately measure force from the handheld instrument, the compensation of gravity bias is accomplished online while estimating the orientation of the hand with an embedded IMU sensor. As a result, the instrument can measure all three-axes forces by an error below 5 mN. A simulated test on a phantom model using the sensorized instrument shows that how the forces vary during the sampling sequences.
URI
http://pubs.kist.re.kr/handle/201004/74089
ISSN
-
Appears in Collections:
KIST Publication > Conference Paper
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