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A new ophthalmic microtrephine.

H A Sisler1, L Allarakhia

  • 1Oculoplastic and Orbital Service, Lincoln Hospital Center, New York Medical College, Bronx, NY.

Ophthalmic Surgery
|September 1, 1990
PubMed
Summary
This summary is machine-generated.

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A novel microtrephine instrument aids ophthalmic surgery by enabling precise tissue microtrephination. This tool facilitates suctioning of pathological samples for examination, improving diagnostic capabilities in eye procedures.

Area of Science:

  • Ophthalmic surgery
  • Surgical instrumentation
  • Biomedical engineering

Background:

  • Microtrephination is crucial for various ophthalmic procedures.
  • Existing instruments may lack precision or ease of use.
  • Accurate tissue sampling is vital for diagnosis.

Purpose of the Study:

  • To introduce a new microtrephine instrument for ophthalmic tissue microtrephination.
  • To enhance the precision and usability of the microtrephination process.
  • To facilitate the collection of pathological samples from ocular tissues.

Main Methods:

  • Development of a 21-gauge stainless steel microtrephine tube (0.81 mm diameter, 16 mm length).
  • Incorporation of a sharpened cutting end and a plastic finger-grip for controlled rotation.

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  • Integration with a standard plastic luer hub for syringe compatibility (standard or spring-assisted).

    • Main Results:

    • The microtrephine is designed for precise cutting of ocular tissues.
    • The instrument allows for easy manipulation and controlled micro-rotation.
    • Syringe compatibility enables suctioning of scar tissue, biopsy specimens, or inflammatory fluids.

    Conclusions:

    • The new microtrephine offers an improved tool for ophthalmic microtrephination procedures.
    • The design facilitates accurate tissue sampling for subsequent pathological examination.
    • This instrument has the potential to enhance diagnostic accuracy in ophthalmology.