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Related Experiment Videos

Clip with enclosed spring for aneurysm surgery. Technical note.

A L Rhoton, W Merz

    Journal of Neurosurgery
    |April 1, 1985
    PubMed
    Summary

    A novel aneurysm surgical clip features a protected internal spring and is computer-milled from solid stock, enhancing durability and preventing tissue entrapment for improved surgical outcomes.

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    Skull base surgery·2006

    Area of Science:

    • Neurosurgery
    • Biomedical Engineering
    • Materials Science

    Background:

    • Aneurysm clips are critical in neurosurgery to secure blood vessels.
    • Existing clips can have weaknesses due to manufacturing processes and potential for tissue entrapment.
    • The need for improved clip design for enhanced safety and efficacy is recognized.

    Purpose of the Study:

    • To introduce a newly designed surgical clip for treating aneurysms.
    • To highlight the unique features of the clip that address limitations of current designs.
    • To evaluate the clip's suitability for neurosurgical applications.

    Main Methods:

    • The clip is designed with a fully concealed coil spring within hub sections.
    • Computer milling from solid, nonmagnetic stainless steel stock is employed.
    • The design avoids stresses and weaknesses associated with traditional wire or sheet metal fabrication.
    • The clip is opened by applying pressure to solid milled surfaces, protecting the spring.

    Main Results:

    • The concealed spring prevents handling and tissue entrapment.
    • Computer milling from solid stock ensures structural integrity and avoids manufacturing-induced weaknesses.
    • The opening mechanism protects the spring from weakening or bending during use.
    • The clip is compatible with appliers offering fixed or rotatable (180 degrees) grasping.

    Conclusions:

    • The new aneurysm clip design offers enhanced safety and durability.
    • Its unique features, including a protected spring and solid milled construction, improve upon conventional designs.
    • The clip is well-suited for surgical application in aneurysm repair.

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