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Related Experiment Videos

Double-pointed 30-gauge needle for keratocentesis.

M R Angi, N I Endara

    Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie
    |December 1, 1985
    PubMed
    Summary

    A novel instrument simplifies keratocentesis for aqueous humor aspiration and anterior chamber microinfusion. This device offers improved safety, complete sample collection, and enhanced handling for ophthalmic procedures.

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    Area of Science:

    • Ophthalmology
    • Surgical Instrumentation
    • Medical Devices

    Background:

    • Keratocentesis is a crucial procedure for accessing the anterior chamber of the eye.
    • Current methods for aqueous humor aspiration and microinfusion may present challenges in terms of safety and sample integrity.
    • There is a need for improved instrumentation to enhance efficiency and outcomes in ophthalmic procedures.

    Purpose of the Study:

    • To describe a new, efficient instrument designed for keratocentesis.
    • To detail the components and functionality of the novel device for aqueous humor aspiration and anterior chamber microinfusion.
    • To highlight the advantages of the new instrument over existing techniques.

    Main Methods:

    • The instrument comprises a double-pointed 30-gauge needle.
    • A liquid container, constructed from a nonflexible vinyl tube with a rubber stopper, is utilized.
    • An aspiration-infusion syringe connects to the container and needle via a flexible vinyl tube.

    Main Results:

    • The described instrument facilitates a safer keratocentesis technique.
    • It ensures complete collection of the aqueous humor sample.
    • The device provides better handling of the aspirated sample.

    Conclusions:

    • The newly developed instrument offers significant advantages for keratocentesis.
    • Its design promotes enhanced safety and improved sample management in ophthalmic surgery.
    • This innovation represents a valuable advancement in surgical tools for anterior chamber procedures.

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