Yarn Flax Fibres for Polymer-Coated Sutures and Hand Layup Polymer Composite Laminates

Fong, Tze Chow; Saba, N.; Liew, Chin Kian; Silva, R. De; Hoque, Md Enamul; Goh, Kheng Lim

doi:10.1007/978-3-319-07944-8_8

Cited by 28 publications

(4 citation statements)

References 42 publications

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“…However, other studies evaluating the effects of different media on resorbable suture materials have demonstrated otherwise. A recent report by Fong and coworkers [ 15 ] demonstrated that flax fibers sutures that underwent wet conditions exhibited fiber debonding leading to fiber pullout, while dry flax fibers exhibited brittle fracture. However, both wet and dry knotted sutures failed at the entrance of the knot.…”

Section: Discussionmentioning

confidence: 99%

Physical and Mechanical Evaluation of Five Suture Materials on Three Knot Configurations: An in Vitro Study

et al. 2016

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Abstract:The aim of this study was to evaluate and compare the mechanical properties of five suture materials on three knot configurations when subjected to different physical conditions. Five 5-0 (silk, polyamide 6/66, polyglycolic acid, glycolide-e-caprolactone copolymer, polytetrafluoroethylene) suture materials were used. Ten samples per group of each material were used. Three knot configurations were compared A.2=1=1 (forward-forward-reverse), B.2=1=1 (forward-reverse-forward), C.1=2=1 (forward-forward-reverse). Mechanical properties (failure load, elongation, knot slippage/breakage) were measured using a universal testing machine. Samples were immersed in three different pH concentrations (4,7,9) at room temperature for 7 and 14 days. For the thermal cycle process, sutures were immersed in two water tanks at different temperatures (5 and 55˝C). Elongation and failure load were directly dependent on the suture material. Polyglycolic acid followed by glycolide-e-caprolactone copolymer showed the most knot failure load, while polytetrafluoroethylene showed the lowest (p < 0.001). Physical conditions had no effect on knot failure load (p = 0.494). Statistically significant differences were observed between knot configurations (p = 0.008). Additionally, individual assessment of suture material showed statistically significant results for combinations of particular knot configurations. Physical conditions, such as pH concentration and thermal cycle process, have no influence on suture mechanical properties. However, knot failure load depends on the suture material and knot configuration used. Consequently, specific suturing protocols might be recommended to obtain higher results of knot security.

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Section: Discussionmentioning

confidence: 99%

Physical and Mechanical Evaluation of Five Suture Materials on Three Knot Configurations: An in Vitro Study

et al. 2016

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“…Generally, short fiber-polymer composites are fabricated using techniques such as hand layup, injection molding, and press-molding using a sheet molding compound. 30 The untreated short ramie fibers were laid down in a PTFE mold (with dimensions of 12.7 mm wide × 56 mm long × 1.6 mm thick) and then a load (5 kg) was placed on it for 5 min, which reduced any significant movement of the fibers. Whereas, when using plasma-treated fibers, the mats were prepared as follows.…”

Section: Fabrication Of Compositesmentioning

confidence: 99%

Interfacial Morphology between Ramie Fibers and Phenolic Resins: Effects of Plasma Treatment and Cure Cycle

Hamad

Teng

Hayes

et al. 2022

Journal of Composite Materials

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Natural fiber–reinforced polymer composites offer many advantages over conventional composite materials, such as availability, low cost, inexpensive, lightweight, and high specific mechanical properties. However, the applications of these materials are still limited due to the challenges in achieving a good interface between the fibers and matrix. This is highly influenced by the fiber surface characteristics and the polymer matrix properties. Therefore, in this study, the surface characteristics of ramie fibers were modified using low-pressure plasma treatment in order to improve their interface to the phenolic resin. Furthermore, the effects of using two different curing cycles (acid cure and thermal cure) on the properties of short ramie fiber-phenolic composites were also investigated. A new method for making mats of random short ramie fibers was developed and used for the fabrication of composites containing plasma-treated fibers. The flexural properties of all composites were tested and the obtained fracture surfaces were investigated using LV-SEM. The results indicate that both plasma treatment and cure cycle conditions influence the fiber–matrix interface and consequently the flexural properties of the composites.

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“…Linen sutures are most commonly produced in the twisted multifilament form flax, 30 and they may also be coated with silicone and polyvinyl solutions 27 . Linen sutures do not lose strength after implantation and have the ability to gain 10–20% tensile strength in an aqueous environment due to their non‐absorbable property, suggesting that a wet linen suture is able to endure high stress while securing wound closure 44 …”

Section: Classification Of Suture Materialsmentioning

confidence: 99%

Engineering and polymeric composition of drug‐eluting suture: A review

Deng

Qasim

Ali

2021

J Biomedical Materials Res

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Sutures are the most popular surgical implants in the global surgical equipment market. They are used for holding tissues together to achieve wound closure. However, controlling the body's immune response to these “foreign bodies” at site of infection is challenging. Natural polymers such as collagen, silk, nylon, and cotton, and synthetic polymers such as polycaprolactone, poly(lactic‐co‐glycolic acid), poly(p‐dioxanone) and so forth, contribute the robust foundation for the engineering of drug‐eluting sutures. The incorporation of active pharmaceutical ingredients (APIs) with polymeric composition of suture materials is an efficient way to reduce inflammatory reaction in the wound site as well as to control bacterial growth, while allowing wound healing. The incorporation of polymeric composition in surgical sutures has been found to add high flexibility as well as excellent physical and mechanical properties. Fabrication processes and polymer materials allow control over drug‐eluting profiles to effectively address wound healing requirements. This review outlines and discusses (a) polymer materials and APIs used in suture applications, including absorbable and nonabsorbable sutures; (b) suture structures, such as monofilament, multifilament, barded and smart sutures; and (c) the existing manufacturing techniques for drug‐eluting suture production, including electrospinning, melt‐extrusion and coating.

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Yarn Flax Fibres for Polymer-Coated Sutures and Hand Layup Polymer Composite Laminates

Cited by 28 publications

References 42 publications

Physical and Mechanical Evaluation of Five Suture Materials on Three Knot Configurations: An in Vitro Study

Physical and Mechanical Evaluation of Five Suture Materials on Three Knot Configurations: An in Vitro Study

Interfacial Morphology between Ramie Fibers and Phenolic Resins: Effects of Plasma Treatment and Cure Cycle

Engineering and polymeric composition of drug‐eluting suture: A review

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