Improved phaco needle for dense nucleus

Background: Phacoemulsification (phaco) of the dense nuclear cataract tends to be associated with difficulties caused by impossibility of breaking the nucleus up completely. Therefore, the development of a phaco needle allowing for an improved capacity of ultrasound to destroy the dense nucleus with...

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Main Authors: Ya.A. Grytsenko, S.K. Dmitriyev, N.V. Pasyechnikova
Format: Article
Language:English
Published: Ukrainian Society of Ophthalmologists 2015-12-01
Series:Journal of Ophthalmology
Subjects:
Online Access:https://www.ozhurnal.com/en/archive/2015/6/7-fulltext
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author Ya.A. Grytsenko
S.K. Dmitriyev
N.V. Pasyechnikova
author_facet Ya.A. Grytsenko
S.K. Dmitriyev
N.V. Pasyechnikova
author_sort Ya.A. Grytsenko
collection DOAJ
description Background: Phacoemulsification (phaco) of the dense nuclear cataract tends to be associated with difficulties caused by impossibility of breaking the nucleus up completely. Therefore, the development of a phaco needle allowing for an improved capacity of ultrasound to destroy the dense nucleus with minimal ultrasound expense is important. Purpose: To improve a phaco needle for dense nucleus in order to allow for a more effective destruction (fragmentation and cutting) of the lens and aspiration of fine lens matter through a reduction in a level of lens exposure to ultrasound from the needle. Materials and Methods: Forty-six patients (50 eyes) underwent phacoemulsification with intraocular lens implantation. In 23 cases, the surgeon used the conventional phaco chop nucleus-dividing technique with the aid of an advanced phaco needle. No intraoperative complication was observed. Results: We have developed an improved phaco needle which has the following feature when compared with a conventional one: the end surface of the flared portion has a plurality of isosceles teeth, allowing the needle to penetrate the nucleus and remove the phaco debris more efficiently. The use of the needle allowed for a reduction in the level of eyeball exposure to ultrasound, thus reducing the risk of intra- and postoperative complications in patients with dense nuclear cataracts.
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spelling doaj.art-f898ddb2f72d48e39b3fd0b711e4571d2024-01-16T10:39:26ZengUkrainian Society of OphthalmologistsJournal of Ophthalmology2412-87402015-12-016333610.31288/oftalmolzh201563336Improved phaco needle for dense nucleusYa.A. Grytsenko0S.K. Dmitriyev1N.V. Pasyechnikova2Filatov Institute of Eye Diseases and Tissue TherapyFilatov Institute of Eye Diseases and Tissue TherapyFilatov Institute of Eye Diseases and Tissue TherapyBackground: Phacoemulsification (phaco) of the dense nuclear cataract tends to be associated with difficulties caused by impossibility of breaking the nucleus up completely. Therefore, the development of a phaco needle allowing for an improved capacity of ultrasound to destroy the dense nucleus with minimal ultrasound expense is important. Purpose: To improve a phaco needle for dense nucleus in order to allow for a more effective destruction (fragmentation and cutting) of the lens and aspiration of fine lens matter through a reduction in a level of lens exposure to ultrasound from the needle. Materials and Methods: Forty-six patients (50 eyes) underwent phacoemulsification with intraocular lens implantation. In 23 cases, the surgeon used the conventional phaco chop nucleus-dividing technique with the aid of an advanced phaco needle. No intraoperative complication was observed. Results: We have developed an improved phaco needle which has the following feature when compared with a conventional one: the end surface of the flared portion has a plurality of isosceles teeth, allowing the needle to penetrate the nucleus and remove the phaco debris more efficiently. The use of the needle allowed for a reduction in the level of eyeball exposure to ultrasound, thus reducing the risk of intra- and postoperative complications in patients with dense nuclear cataracts.https://www.ozhurnal.com/en/archive/2015/6/7-fulltextphaco needledense nucleicataract
spellingShingle Ya.A. Grytsenko
S.K. Dmitriyev
N.V. Pasyechnikova
Improved phaco needle for dense nucleus
Journal of Ophthalmology
phaco needle
dense nuclei
cataract
title Improved phaco needle for dense nucleus
title_full Improved phaco needle for dense nucleus
title_fullStr Improved phaco needle for dense nucleus
title_full_unstemmed Improved phaco needle for dense nucleus
title_short Improved phaco needle for dense nucleus
title_sort improved phaco needle for dense nucleus
topic phaco needle
dense nuclei
cataract
url https://www.ozhurnal.com/en/archive/2015/6/7-fulltext
work_keys_str_mv AT yaagrytsenko improvedphaconeedlefordensenucleus
AT skdmitriyev improvedphaconeedlefordensenucleus
AT nvpasyechnikova improvedphaconeedlefordensenucleus