A Study on Electro-Magnetic Interferences for ICD cause of Dental Electric Equipments

牙科电动设备ICD电磁干扰原因研究

基本信息

批准号：
16591971
负责人：
SUGA Takeo
金额：
$ 0.77万
依托单位：
Tsurumi University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2004
资助国家：
日本
起止时间：
2004 至 2005
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-16591971/
关键词：
ICD EMI Dental Device 電磁障害埋め込み型除細動装置 EMI Irnichモデル歯科診療環境 ICD

项目摘要

ICD(implantable cardioverter-defibrillator) are used to artificially stimulate the heart in case of arrhythmia. As the population of elderly increases, number of patients with ICD increase. ICD can be affected by electrical equipment, known as electromagnetic interference (EMI).In dental treatment, it is necessary to use electrical dental equipments, but influences of these devices to ICD are unknown and reported only a few. Recent ICD therefore only functions when necessary.We evaluated recent electrical dental equipment aimed to systematize safety and positive dental treatment.Material and methodsWe tested 12 type 24 devices of electrical dental equipments that are being used in Tsurumi Univ. School of Dental Medicine hospital..Preliminary examination : Used flux-gate magneto-meter to measurement of flux density. If the value of flux density was high, these equipments were tested in simulation model.Simulation model : A water tank designed as the same size of the human body was filled with physiological salt solution. ICD was placed under the solution 12mm, connected by telemetric system to programmer.Results : ICD were inhibited by EMI of few electrical dental devices.These device were classified into two categories, according to cause of EMI.In case of type 1, some devices power supply unit of electrical device inhibit to pacing distance of 27 cm. This value was enough to influence to actual state of dental treatment.In case of type 2, some electrical root measurement device inhibit to pacing only when power on/off timing usage.All data was printed out by programmer, stored and analyzed.We suggest that precaution must be taken with the usage of electrical dental devices.This examination was done in limited conditions. Our settings were placed on most severe conditions.We must recognize the characteristics of ICD and electrical dental devices, so there are no limitation of dental treatment itself.

在心律不齐的情况下，使用ICD（植入式心脏逆变器 - 除颤器）来人为地刺激心脏。随着老年人的增加，ICD患者数量增加。 ICD可能会受到电气设备的影响，称为电磁干扰（EMI）。在牙科处理中，有必要使用电气牙科设备，但是这些设备对ICD的影响尚不清楚，只报道了少数。因此，最新的ICD仅在必要时才起作用。我们评估了旨在系统化安全性和阳性牙齿处理的最新电气牙科设备。材料和方法SSWE测试了12种型在Tsurumi Univ中使用的24型电气牙科设备。牙科医学院医院。如果通量密度的值高，则在模拟模型中测试了这些设备。拟合模型：设计为相同大小的人体大小的水箱充满了生理盐溶液。 ICD被放置在溶液12mm下，通过远程测定系统连接到程序员。反应：ICD受到少量电气牙齿设备的EMI抑制。根据EMI的原因，这些设备分为两类。该值足以影响牙齿处理的实际状态。在类型2的情况下，某些电根测量设备只有在使用/关闭时间使用电源时才会限制对起搏。程序员打印出所有数据。我们的设置置于最严重的状态。我们必须认识到ICD和电气牙科设备的特征，因此牙科治疗本身没有限制。