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Related Experiment Videos

Coaxial bipolar probe.

D S Pao

    Archives of Ophthalmology (Chicago, Ill. : 1960)
    |July 1, 1979
    PubMed
    Summary

    This study introduces a novel coaxial electrode probe for ophthalmic microsurgery, enabling precise bipolar coagulation. The device ensures controlled scleral shrinkage and pinpoint accuracy for capillaries, improving surgical outcomes.

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    Area of Science:

    • Ophthalmic Microsurgery
    • Surgical Instrumentation
    • Electrocautery

    Background:

    • Bipolar coagulation is a key technique in ophthalmic microsurgery.
    • Existing methods may lack precision and control, leading to unwanted tissue effects.
    • A need exists for improved tools to achieve targeted and repeatable coagulation.

    Purpose of the Study:

    • To introduce a novel coaxial electrode probe for ophthalmic microsurgery.
    • To evaluate its efficacy in achieving precise and controlled bipolar coagulation.
    • To demonstrate its utility in managing scleral shrinkage and coagulating capillaries.

    Main Methods:

    • A coaxial electrode probe with an insulated central electrode was designed.
    • The probe utilizes standard bipolar electrocautery power sources.
    • Fixed electrode distance ensures consistent coagulation under controlled power settings.

    Main Results:

    • The probe achieved uniform and repeatable coagulations.
    • Unwanted microscopic scleral shrinkage was eliminated; desired shrinkage was controlled.
    • Precise pinpoint coagulations of individual capillaries were routinely obtained, particularly at corneoscleral incision sites.
    • Higher power settings effectively created scleral markers in retinal surgery.

    Conclusions:

    • The coaxial electrode probe offers enhanced precision and control in ophthalmic microsurgery.
    • It effectively manages scleral tissue effects and targets small vessels.
    • This innovation holds potential for improving safety and efficacy in various ophthalmic procedures.

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