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Effective Catheter Manoeuvre for the Removal of Phlegm by Suctioning : A Biomechanical Analysis of Experts and Novices

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Title: Effective Catheter Manoeuvre for the Removal of Phlegm by Suctioning : A Biomechanical Analysis of Experts and Novices
Authors: Colley, Noriyo Browse this author →KAKEN DB
Mani, Hiroki Browse this author →KAKEN DB
Ninomiya, Shinji Browse this author →KAKEN DB
Komizunai, Shunsuke Browse this author →KAKEN DB
Murata, Eri Browse this author
Oshita, Hiroka Browse this author
Taneda, Kenji Browse this author
Shima, Yusuke Browse this author
Asaka, Tadayoshi Browse this author →KAKEN DB
Keywords: Catheter manoeuvre
Tracheal suctioning
Motion capture system
Issue Date: 24-Apr-2020
Publisher: Springer
Journal Title: Journal of medical and biological engineering
Volume: 40
Issue: 3
Start Page: 340
End Page: 347
Publisher DOI: 10.1007/s40846-020-00521-y
PMID: 32421097
Abstract: Purpose The aim of this study was to determine the effective biomechanical technique for suctioning phlegm. Methods A novel tracheal suctioning simulator combined with a motion capture system was used to calculate the amount of simulated phlegm suctioned and the biomechanical parameters of the associated suctioning manoeuvre. A laboratory study, including 12 nurses with > 3 years of suctioning experience and 12 nursing students without any clinical suctioning experience, was conducted. The amount of phlegm suctioned, the maximum length of catheter insertion, and the biomechanical parameters of hand movement were calculated. Results The mean amount of phlegm suctioned per second was significantly larger in the experienced group than in the non-experienced group. The amount of phlegm suctioned correlated positively with the length of the vertical path of motion of the wrist and forearm, and with the angular velocity of thumb rotation in both the groups. Conclusion Greater vertical motion of the wrist and thumb rotation improved the effectiveness of phlegm suctioning and prevented the need for deep suctioning, which is unsafe.
Rights: This is a post-peer-review, pre-copyedit version of an article published in Journal of Medical and Biological Engineering. The final authenticated version is available online at:
Type: article (author version)
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 浅賀 忠義

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