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Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991最新文献

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Integrated Computer-based System For Medical Assistance In Emergencies 基于计算机的紧急医疗救助综合系统
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684493
A. Pazos, V. Maojo, F. Martin, J. M. Barreiro, A. Hernando
{"title":"Integrated Computer-based System For Medical Assistance In Emergencies","authors":"A. Pazos, V. Maojo, F. Martin, J. M. Barreiro, A. Hernando","doi":"10.1109/IEMBS.1991.684493","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684493","url":null,"abstract":"Medical assistance in catastrophes is an unsolved problem for several reasons. The application of communication and computer technologies is introduced in the different phases of the actuation. On this research, a model of assistance in catastrophes is developed, based on an expert system for triage classification and a general center for the coordination of all data and resources, providing the neccesary transfer of information between the site of the emergency and the other centers involved. Some guidelines related to system integration are given as a essential part of the project.","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"218 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122930727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A Speech Analysis/synthesis Software System For Hearing Research 用于听力研究的语音分析/合成软件系统
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684799
Y. Joly, H. Lee
{"title":"A Speech Analysis/synthesis Software System For Hearing Research","authors":"Y. Joly, H. Lee","doi":"10.1109/IEMBS.1991.684799","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684799","url":null,"abstract":"A software system is presented for performing complex, high-quality transformations of the speech signal. It is based on a general analysis/synthesis method, and incorporates features such as formant extraction. A timevarying nonlinear transformation designed to aid speech reception by people with profound h.igh-frequency hearing loss demonstrates the potential usefulness of this software system in hearing research.","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114149228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Auditory And Visual Evoked Potentials: Topographic And Modality-dependent Differences In The Frequency Domain 听觉和视觉诱发电位:频率域的地形和模态依赖性差异
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.683994
M. Schurmann, C. Başar-Eroğlu, E. Basar
{"title":"Auditory And Visual Evoked Potentials: Topographic And Modality-dependent Differences In The Frequency Domain","authors":"M. Schurmann, C. Başar-Eroğlu, E. Basar","doi":"10.1109/IEMBS.1991.683994","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.683994","url":null,"abstract":"","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122122323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Errors In Calculating The Epicardial Potential Gradient Field From Unipolar Voltage Measurements During Cardiac Defibrillation 心脏除颤过程中单极电压测量计算心外膜电位梯度场的错误
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684147
S.F. ldriss, R. Ideker, P. Wolf, W.M. Smith
{"title":"Errors In Calculating The Epicardial Potential Gradient Field From Unipolar Voltage Measurements During Cardiac Defibrillation","authors":"S.F. ldriss, R. Ideker, P. Wolf, W.M. Smith","doi":"10.1109/IEMBS.1991.684147","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684147","url":null,"abstract":"We examined the errors generated when calculating the magnitude of the epicardial potential gradient using voltages recorded from three unipolar electrodes in a fixed triangular geometry on the epicardial surface. The error sensitivity of the gradient calculation increases significantly with decreasing electrode separation and increasing common-mode voltage. For example, a mean error in calculated gradient magnitude of 67% results when measuring a 5 V/cm gradient at 50 V common-mode with 2 mm interelectrode spacing and random 1 % voltage error. Optimization of interelectrode spacing and common-mode voltage to reduce overall error is essential for accurate measurement of low magnitude epicardial gradients.","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"50 8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122216370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Visualization And Analysis Of Three Dimensional Shape Change: Surgical Pre-planning, Implant And Prosthesis Design And Fabrication 三维形状变化的可视化和分析:手术前计划，种植体和假体的设计和制造
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684331
L. Sadler, P. Neumann, Xiaoming Chen, R. Evenhouse
{"title":"Visualization And Analysis Of Three Dimensional Shape Change: Surgical Pre-planning, Implant And Prosthesis Design And Fabrication","authors":"L. Sadler, P. Neumann, Xiaoming Chen, R. Evenhouse","doi":"10.1109/IEMBS.1991.684331","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684331","url":null,"abstract":"Plastic and reconstructive surgeons, otorhinolaryngologists. orthodontists, and other practitioners that deal with construction, reconstruction. and esthetics of the head and face report outcomes using subjective anecdotal terms. supported by before and after photographs oftheir best case results. Similar case presentations can be found in any number of reports from other surgical specialties and disciplines in medicine. That 50 much of mediche. and the life sciences in general. have resisted quantitation and the development ofalogicomathanatical framework is not because it is too complex (all of nature is complex). but because qualitative and empirical deduction have provlded a sufficient fraroework for experimentation and prediction. New technology that allows for safe, rapid data collection is available which provides a new tool for morphologists. syndromologists. surgeons, and othersrequiringthree dimensional information onthe humanbody. The results ofthe use ofthis data collection technology is reported as is the development of a specialized software program, for measurement and surface quantlfication. called Lego. hgo in turn ls integrated MO CAD/ CAM soflware for implant and prosthesis desm and fabrication. Several case studies are presented.","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129600405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Cardiovascular Function During Transesophageal Pacing 经食管起搏期间的心血管功能
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684915
J. Jensen, J.K. Li
{"title":"Cardiovascular Function During Transesophageal Pacing","authors":"J. Jensen, J.K. Li","doi":"10.1109/IEMBS.1991.684915","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684915","url":null,"abstract":"The unpredictable consequences of pharmacological treatments of cardiac arrhythmias has led to the investigation Qf cardiac pacing through catheterization as an alternative. The heart's close proximity to the esophagus encouraged cardiac pacing along the esophageal path. An electronic instrument has been designed to evaluate the efficacy of transesophageal heart pacing. The pacing system has been tested to evaulate the effects of this mode of pacina on cardiovascular function.","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129618992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computer Simulations Of Three-dimensional Propagation In Ventricular Myocardium. The Effects Of Intramural Fiber Rotation And Resistive Inhomogeneity 心肌三维传播的计算机模拟。纤维内部旋转和电阻不均匀性的影响
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684140
A. Pollard
{"title":"Computer Simulations Of Three-dimensional Propagation In Ventricular Myocardium. The Effects Of Intramural Fiber Rotation And Resistive Inhomogeneity","authors":"A. Pollard","doi":"10.1109/IEMBS.1991.684140","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684140","url":null,"abstract":"Three-dimensional membrane-based simulations of action potential propagation in ventricular myocardium were performed. Specifically, the effects of the intramural rotation of the fiber axes and resistive inhomogeneity on the pattern of activation were examined. Two models were built, with 28,977 microscopic elements arranged in rectangular parallelpipeds in each model. Simulations used the nonlinear Ebihara and Johnson membrane equations for the fast sodium current. Constructed models had histologic features of ventricular myocardium. All simulations were performed on an IBM 3090 at the Utah Supercomputer Institute.","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128534846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Simulation Of Temperature Distribution Induced By Coaxial-slot Array For Interstitial Hyperthermia 间质热疗的同轴槽阵列温度分布模拟
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684299
M. Shimura, K. Ito, H. Kasai, T. Terakawa
{"title":"Simulation Of Temperature Distribution Induced By Coaxial-slot Array For Interstitial Hyperthermia","authors":"M. Shimura, K. Ito, H. Kasai, T. Terakawa","doi":"10.1109/IEMBS.1991.684299","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684299","url":null,"abstract":"The sclccess of hyperthermia therapy depends on intratumoral temperatures uniformity above therapeutic temperatures, 42-43' C. We investigated temperature distributions in and around an array of seven interstitial antennas used for microwave cancer therapy. A calculated temperature distribution has wide heating region. The computed distribution meets experimental one. The simulation follows the three steps. 1) Solving the Helmholtz equation, we obtain an electric field from an electric current along an antenna. Here, we used a measured current distribution along a coaxial-slot antenna [l]. 2) We derive a specific absorption rate (SAR) from the electric field intensity obtained. And, 3) we obtain a computed temperature distribution from the SAR by solving a heat transfer equation. Solving equations in 1) and 3), we use the three-dimensional finite element method (3-D FEM).","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128783273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multielectrode Cuff For Extraneural Selective Stimulation Of Nerve Fibers 多电极袖带用于神经外选择性刺激神经纤维
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684259
J. Rozman
{"title":"Multielectrode Cuff For Extraneural Selective Stimulation Of Nerve Fibers","authors":"J. Rozman","doi":"10.1109/IEMBS.1991.684259","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684259","url":null,"abstract":"A multielectrode nerve cuff for extraneural selective stimulation of nerve fibers has been developed. It consists of fourteen platinum stimulation electrodes embedded within a self-curling sheet of biocompatible isolation exhibiting a spiral transverse cross section. Development was based on results obtained by hystological examination of peripheral nerves planned to be stimulated and on models of excitation of myelinated nerve fibers. The number of stimulating electrodes which are activated depends on the diameter of the stimulated nerve. Nerves with greater diameter automatically activate more electrodes than thin ones.","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128246697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Neuromolecular Computing: An Overview 神经分子计算:概述
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991 Pub Date : 1991-10-31 DOI: 10.1109/IEMBS.1991.684753
M. Conrad
{"title":"Neuromolecular Computing: An Overview","authors":"M. Conrad","doi":"10.1109/IEMBS.1991.684753","DOIUrl":"https://doi.org/10.1109/IEMBS.1991.684753","url":null,"abstract":"","PeriodicalId":297811,"journal":{"name":"Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society Volume 13: 1991","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128597239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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