用于清除眼内异物的磁化镊子:哪种适合?

IF 2.4 3区 医学 Q2 OPHTHALMOLOGY
Melih Parlak, Jens Ulrich Werner, Armin Wolf
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引用次数: 0

摘要

简介磁性眼内异物可用磁化的一次性镊子取出。本研究旨在比较不同尺寸、形状和制造商生产的镊子的磁化率:方法:采用既定程序对镊子进行磁化。测量镊子顶端的可感应磁通密度。然后使用 BSS 溶液中的钢球测试磁化镊子可提起的质量。测量了镊子金属部分的重量:结果:可诱导的磁通密度、可提起的钢球重量和镊子所用不锈钢的质量如下:Alcon end-grasping 23G: 7.12 mT, 87.43 mg, 1191 mg; Alcon end-grasping 25G: 6.43 mT, 87.43 mg, 1189 mg; Alcon serrated:4.39 mT,63.78 mg,1284 mg;Alcon 锯齿状 23G:3.62 mT,13.74 mg,1200 mg;Alcon 锯齿状 25G:2.4 mT,13.74 mg,1195 mg;DORC 端面研磨 23G:5.52 mT,32.54 mg,153 mg;Synergetics 端面研磨 23G:4.35 mT,16.37 mg,193 mg;Vitreq BV 端面研磨 23G:2.65 mT,无,88 mg:一次性微钳的磁化率似乎取决于钳尖的钢质量。铁晶格结构的影响可能更大。并非每把一次性镊子都能为这项技术带来足够的磁化率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Magnetized forceps for intraocular foreign body removal: which one is suitable?

Magnetized forceps for intraocular foreign body removal: which one is suitable?

Introduction: Magnetic intraocular foreign bodies can be removed with magnetized disposable forceps. Aim of this study is to compare the forceps magnetizability of different size, form and manufacturer.

Methods: The forceps were magnetized using an established procedure. The inducible magnetic flux density was measured at the tip of the forceps. The mass that can be lifted with the magnetized forceps was then tested using steel balls in BSS solution. The weight of the metal parts of the forceps was measured.

Results: The magnetic flux density that could be induced, the weight of the steel balls that could be lifted and the mass of stainless steel used in the forceps were as follows: Alcon end-grasping 23G: 7.12 mT, 87.43 mg, 1191 mg; Alcon end-grasping 25G: 6.43 mT, 87.43 mg, 1189 mg; Alcon serrated: 4.39 mT, 63.78 mg, 1284 mg; Alcon serrated 23G: 3.62 mT, 13.74 mg, 1200 mg; Alcon serrated 25G: 2.4 mT, 13.74 mg, 1195 mg; DORC end-grasping 23G: 5.52 mT, 32.54 mg, 153 mg; Synergetics end-grasping 23G: 4.35 mT, 16.37 mg, 193 mg; Vitreq BV end-grasping 23G: 2.65 mT, none, 88 mg.

Discussion: The magnetizability of a disposable microforceps seems to depend on the mass of steel at the tip of the forceps. The structure of the iron lattice could have an even greater influence. Not every disposable forceps can be sufficiently magnetized for this technique.

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来源期刊
CiteScore
5.40
自引率
7.40%
发文量
398
审稿时长
3 months
期刊介绍: Graefe''s Archive for Clinical and Experimental Ophthalmology is a distinguished international journal that presents original clinical reports and clini-cally relevant experimental studies. Founded in 1854 by Albrecht von Graefe to serve as a source of useful clinical information and a stimulus for discussion, the journal has published articles by leading ophthalmologists and vision research scientists for more than a century. With peer review by an international Editorial Board and prompt English-language publication, Graefe''s Archive provides rapid dissemination of clinical and clinically related experimental information.
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