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Surgical lasers and soft tissue interactions.

T M Gillis, M S Strong

    Otolaryngologic Clinics of North America
    |November 1, 1983
    PubMed
    Summary
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    Different lasers like carbon dioxide, argon, and neodymium-YAG offer unique surgical benefits. Understanding their physical and biological properties is key for head and neck surgeons to optimize laser applications.

    Area of Science:

    • Otolaryngology and Head and Neck Surgery
    • Surgical Technology
    • Biomedical Optics

    Background:

    • Lasers offer specialized surgical tools for otolaryngology and head and neck surgery.
    • Different laser types possess distinct physical and biological characteristics influencing their applications.
    • Understanding these properties is crucial for effective surgical use.

    Purpose of the Study:

    • To compare the physical and biological properties of carbon dioxide, argon, and neodymium-YAG lasers.
    • To elucidate the specific tissue interactions and delivery system requirements for each laser type.
    • To highlight the potential advantages of laser surgery in head and neck procedures.

    Main Methods:

    • Comparative analysis of laser wavelengths and their absorption/penetration in biological tissues.

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  • Evaluation of laser delivery systems (fiberoptic vs. rigid).
  • Review of safety considerations, including protective eyewear requirements for each laser.

    • Main Results:

    • Carbon dioxide lasers are absorbed by all tissues; argon lasers photocoagulate and penetrate superficially; Nd-YAG lasers cause deep coagulation.
    • Argon and Nd-YAG lasers use flexible fiberoptics, while CO2 lasers require rigid systems.
    • Different safety protocols and protective eyewear are needed for each laser type.

    Conclusions:

    • Each laser (CO2, argon, Nd-YAG) presents unique advantages for specific surgical applications in head and neck surgery.
    • Advancements in laser technology, including delivery systems and spot size, will further enhance their surgical utility.
    • Optimized use of laser properties can lead to superior outcomes compared to conventional surgical methods.