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Open AccessArticle

Biomechanical Properties and Biocompatibility of a Non-Absorbable Elastic Thread

1
Advanced Medical Device R&D Center, HansBiomed Co. Ltd., 7, Jeongui-ro 8-gil, Songpa-gu, Seoul 05836, Korea
2
GAROSU Plastic Surgery, Seoul 06043, Korea
3
Grace Plastic Surgery, Seoul 06524, Korea
4
VIVA Plastic Surgery Clinic, Busan, 47285, Korea
*
Author to whom correspondence should be addressed.
J. Funct. Biomater. 2019, 10(4), 51; https://doi.org/10.3390/jfb10040051
Received: 7 October 2019 / Revised: 5 November 2019 / Accepted: 9 November 2019 / Published: 16 November 2019
To date, extensive studies have been conducted to assess diverse types of sutures. But there is a paucity of data regarding biomechanical properties of commonly used suture materials. In the current experiment, we compared biomechanical properties and biocompatibility, such as tensile strength and elongation, the degree of bovine serum albumin (BSA) release, in vitro cytotoxicity and ex vivo frictional properties, between a non-absorbable elastic thread (NAT; HansBiomed Co. Ltd., Seoul, Korea) (NAT-R: NAT with a rough surface, NAT-S: NAT with a smooth surface) and the Elasticum® (Korpo SRL, Genova, Italy). The degree of tensile strength and elongation of Si threads was significantly higher in both the NAT-R and -S as compared with the Elasticum® (p < 0.05). Moreover, the degree of tensile strength and elongation of PET threads was significantly lower in both NAT-R and -S as compared with the Elasticum® (p < 0.05). Furthermore, the degree of tensile strength and elongation of braided Si/PET threads was significantly lower in NAT-S as compared with NAT-R and Elasticum® (p < 0.05). The degree of BSA release was significantly higher in the NAT-R as compared with Elasticum® and NAT-S throughout a 2-h period in the descending order (p < 0.05). The degree of cell viability was significantly higher in both NAT-R and -S as compared with Elasticum® (p < 0.05). The degree of coefficient of friction as well as the frictional force and strength was significantly higher in NAT-R as compared with NAT-S and Elasticum® (p < 0.05). NAT had a higher degree of biomechanical properties and biocompatibility as compared with Elasticum®. But further experimental and clinical studies are warranted to compare the efficacy, safety, and potential role as a carrier for drug delivery between NAT and Elasticum®. View Full-Text
Keywords: textiles; sutures; elasticity; tensile strength; friction; materials testing textiles; sutures; elasticity; tensile strength; friction; materials testing
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Choi, Y.; Kang, M.; Choi, M.S.; Kim Song, J.; Lih, E.; Lee, D.; Jung, H.-H. Biomechanical Properties and Biocompatibility of a Non-Absorbable Elastic Thread. J. Funct. Biomater. 2019, 10, 51.

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