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Related Experiment Videos

[Polymer fibers in surgery. III].

L G Privalova, G Kus', G E Zaikov

    Polimery W Medycynie
    |January 1, 1988
    PubMed
    Summary

    Polyester fibers offer excellent durability and biocompatibility for surgical applications. Research explores their use in prosthetics and sutures, with methods to predict degradation and enhance tissue integration.

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    [Polymer fibers in surgery. II].

    Polimery w medycynie·1984

    Area of Science:

    • Biomaterials Science
    • Polymer Chemistry
    • Surgical Engineering

    Background:

    • Polyester fibers, including ethyl terephthalate (e.g., Dacron, Terylene), emerged in the mid-1950s as synthetic polymers.
    • They exhibit superior chemical and biological durability compared to polyamides, alongside desirable properties like elasticity, weather resistance, and low toxicity.
    • These characteristics led to widespread use in surgical applications such as sutures, vascular prostheses, and hernia repair materials.

    Purpose of the Study:

    • To review the properties and applications of polyester fibers in surgery.
    • To discuss factors influencing polyester fiber degradation and potential modifications.
    • To evaluate the performance of polyester vascular prostheses and methods for predicting their lifespan.

    Main Methods:

    • Literature review of polyester fiber properties, applications, and degradation mechanisms.
    • Analysis of clinical outcomes for polyester vascular prostheses in various vessel sizes.
    • Development of a predictive model for polyester polymer property loss based on macrokinetic parameters.

    Main Results:

    • Polyester fibers demonstrate high mechanical strength, biological inertness, and good healing outcomes in most surgical applications.
    • Knitted and gauze polyester fabrics generally outperform knitted variants.
    • Successful implantation of polyester vascular prostheses in the aorta and its branches, contrasted with thrombus formation in smaller vessels.
    • A method for predicting the service life of polyester prostheses was developed with convergent experimental results.

    Conclusions:

    • Polyester fibers are versatile surgical materials due to their robust properties.
    • Modifications can enhance tissue integration and antimicrobial activity.
    • Performance of polyester vascular prostheses is vessel-size dependent, necessitating further research for small and medium vessel applications.
    • Predictive models aid in understanding and managing the long-term performance of polyester implants.

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