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Related Experiment Videos

[Surgical cryo-ultrasonic instrument].

A A Pisarevskiĭ, I A Gorelov, S V Voĭtyna

    Meditsinskaia Tekhnika
    |May 1, 1976
    PubMed
    Summary

    A new surgical instrument combines cryogenic and ultrasonic methods for tissue separation. This cryo-ultrasonic device enhances hemostasis and improves cutting precision, offering a more effective surgical intervention.

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    [The use of low-frequency ultrasound in the surgical treatment of CSF rhinorrhea].

    Zhurnal voprosy neirokhirurgii imeni N. N. Burdenko·1995

    Area of Science:

    • Surgical Instrumentation
    • Biomedical Engineering
    • Cryogenics and Ultrasound

    Context:

    • Development of novel surgical tools integrating multiple physical modalities.
    • Application of combined cryogenic and ultrasonic technologies in operative procedures.
    • Addressing limitations in current surgical hemostasis and tissue dissection techniques.

    Purpose:

    • To construct a novel surgical instrument for combined cryogenic and ultrasonic tissue intervention.
    • To integrate liquid nitrogen cooling with ultrasonic oscillation for tissue separation.
    • To evaluate the efficacy of the cryo-ultrasonic instrument in surgical applications.

    Summary:

    • A cryo-ultrasonic surgical instrument was developed using the YPCK-7H unit as a base.
    • The instrument incorporates a liquid nitrogen pipe on an ultrasonic waveguide, enabling tissue cooling to -135°C and separation at 20-45 kHz.
    • This combined approach enhances hemostasis and improves the neatness of surgical cuts.

    Impact:

    • Significantly increased efficacy in surgical hemostasis.
    • Achieved superior neatness and precision in tissue dissection.
    • Demonstrated the advantage of integrating cryogenic factors into ultrasonic operative interventions.

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