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[Ultrasonic skull trepanation]

M V Gromov, V I Loshchilov, I A Taran

    Zhurnal Voprosy Neirokhirurgii Imeni N. N. Burdenko
    |July 1, 1977
    PubMed
    Summary

    Ultrasonic cranial trepanation using the Y3T-1 device offers a less traumatic surgical option. This method reduces bone necrosis and operation time compared to traditional instruments, enhancing patient outcomes.

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    Area of Science:

    • Neurosurgery
    • Biomedical Engineering
    • Surgical Instrumentation

    Context:

    • Cranial trepanation is a surgical procedure involving creating an opening in the skull.
    • Traditional methods using electric or pneumatic instruments can cause significant bone necrosis and require considerable surgeon effort.
    • The development of advanced surgical tools is crucial for improving patient safety and surgical efficiency.

    Purpose:

    • To evaluate the efficacy and safety of a novel semi-automatic ultrasonic device (Y3T-1) for cranial trepanation.
    • To compare the histological outcomes and surgical performance of ultrasonic trepanation with conventional methods.
    • To assess the utility of ultrasonic technology in various cranial surgery applications, including osteosynthesis.

    Summary:

    • Experimental ultrasonic cranial trepanation was performed on 60 rats using the Y3T-1 device, demonstrating atraumatic bone cutting with reduced necrosis (one-third to one-half) compared to electric/pneumatic instruments.
    • The Y3T-1 device was utilized in 78 human patients for resection (55) and osteoplastic (23) trepanations, showing shorter operation times, effective hemostasis, and minimal physical exertion for surgeons.
    • The ultrasonic chisel facilitated punctate osteosynthesis for reimplantation or cranioplasty, promoting favorable bone tissue regeneration.

    Impact:

    • Ultrasonic cranial trepanation presents a safer, more efficient alternative to conventional techniques, minimizing tissue damage and surgeon fatigue.
    • The Y3T-1 device's design, including a safety catch, enhances procedural safety during skull operations.
    • This technology shows promise for improved bone regeneration in reconstructive cranial surgery, potentially leading to better patient recovery and aesthetic results.

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