A Brush Back-Flush Needle

Zivojnovic, R; Vijfvinkel, G.

doi:10.1001/archopht.1988.01060130757040

Archives of Ophthalmology

1988

DOI: 10.1001/archopht.1988.01060130757040

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A Brush Back-Flush Needle

R Zivojnovic

G. Vijfvinkel²

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1989

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Cited by 4 publications

(1 citation statement)

References 3 publications

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“…Because surgeons need to manipulate the retina during the surgery, the very fragile retina can be easily torn or damaged when manipulated with conventional vitrectomy instruments that are mostly made of steel. Although surgical instruments with soft tips, including brush back-flush needle or diamond-dusted membrane scraper, have been developed, 9,10 it is difficult to manipulate the retina properly with only these instruments.…”

mentioning

confidence: 49%

New Soft-Tipped Instruments for Foveal Translocation Surgery With 360° Retinotomy

Ohji

Tano²,

Scheller³

et al. 2000

Arch Ophthalmol

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mentioning

confidence: 49%

New Soft-Tipped Instruments for Foveal Translocation Surgery With 360° Retinotomy

Ohji

Tano²,

Scheller³

et al. 2000

Arch Ophthalmol

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An Automated Aspirating-Backflush System for Fluid-Gas Exchange and Retinal Manipulation

McCuen

Hickingbotham²

1989

Arch Ophthalmol

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Design features and surgical use of a cannulated extrusion needle

Flynn

Lee

Parel

1989

Graefe's Arch Clin Exp Ophthalmol

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A cannulated extrusion needle was designed as a modification of the standard 20-gauge extrusion by including an inner 24-gauge flexible cannula that can be extended up to 18 mm beyond the metal tip. Indications for use of the instrument are reviewed along with selected case histories demonstrating its use. The instrument is used primarily for internal subretinal fluid drainage in eyes with complex retinal detachments caused by proliferative vitreoretinopathy. The flexible cannula is guided into the subretinal space through an open peripheral retinal break and the subretinal fluid is evacuated during a simultaneous fluid/air exchange. The positive pressure of the automated air pump creates a pressure gradient sufficient to achieve passive egress of subretinal fluid through the cannula. Active suction is avoided because of the risk of posterior retinal incarceration into the cannula tip. In addition, the cannula can be used to remove hemorrhage, gas, or silicone oil in the subretinal space.

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A Brush Back-Flush Needle

Cited by 4 publications

References 3 publications

New Soft-Tipped Instruments for Foveal Translocation Surgery With 360° Retinotomy

New Soft-Tipped Instruments for Foveal Translocation Surgery With 360° Retinotomy

An Automated Aspirating-Backflush System for Fluid-Gas Exchange and Retinal Manipulation

Design features and surgical use of a cannulated extrusion needle

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