Influence of surgical suture properties on the tribological interactions with artificial skin by a capstan experiment approach
Gangqiang Zhang (Shanghai Jiao Tong University)
Tianhui Ren (Shanghai Jiao Tong University)
Xiangqiong Zeng (University of Twente)
E. van der Heide (TU Delft - Railway Engineering, University of Twente)
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Abstract
Tribological interactions between surgical suture and human tissue play an important role in the stitching process. The purpose of the paper is to understanding the tribological behavior of surgical suture interacting with artificial skin, with respect to surgical suture material and structure, by means of a capstan experiment approach and a contact area model. The results indicated that structure and surface topography of the surgical suture had a pronounced effect on the tribological interactions. The apparent coefficient of friction of vicryl surgical suture was the smallest among the three surgical suture materials. As the sliding velocity increased, or the applied load decreased, the coefficient of friction increased. Furthermore, stick-slip phenomena were observed during the sliding procedure.
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