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IEEE Transactions on Biomedical Engineering

Issue 3 • May 1974

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Displaying Results 1 - 22 of 22
  • Table of contents

    Publication Year: 1974, Page(s): c1
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  • IEEE Engineering in Medicine and Biology Group

    Publication Year: 1974, Page(s): c2
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  • Standardization and Interpretation of the Electromechanical Properties of Bone

    Publication Year: 1974, Page(s):177 - 182
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1372 KB)

    The development of a method that allows the quantitative determination of the anisotropic electromechanical properties of bone as a function of the actual specific crystalline quality of the sample under consideration is reported. In order to provide means of standardization and interpretation of the variation of such properties, all measured values of the latter, from a given sample, are transfor... View full abstract»

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  • Theoretical Analysis of the CW Doppler Ultrasonic Flowmeter

    Publication Year: 1974, Page(s):183 - 192
    Cited by:  Papers (102)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2576 KB)

    The widespread application of ultrasonic techniques for the measurement of pulsatile blood flow has been hampered by the lack of a detailed theoretical understanding of the Doppler ultrasonic flowmeter. A general model for the Doppler flowmeter based upon stochastic considerations of the scattering of ultrasound by blood is introduced in this paper. The model characterizes the back- scattered ultr... View full abstract»

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  • Frequency- Wavenumber Spectrum Analysis of EEG Multielectrode Array Data

    Publication Year: 1974, Page(s):192 - 206
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3682 KB)

    Electroencephalographic (EEG) data consisting of visual evoked responses monitored via an array of electrodes from humans and penicillin-induced focal epileptic discharge data recorded from rat neocortex are analyzed. This procedure, previously applied to seismic array data, offers a method by which high-resolution vector velocity and, thus, direction and speed of propagating wavefronts can be est... View full abstract»

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  • Motion Extraction for Left- Ventricular Volume Measurement

    Publication Year: 1974, Page(s):207 - 213
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2855 KB)

    Methods to automatically determine the boundary of left heart chambers from X-ray films (cineangiocardiograms) by computer are discussed. Several authors have considered entering a first approximation to the boundary manually by light-pen, and then letting the computer determine the exact boundary from successive frames automatically. A method to do the first step automatically as well is proposed... View full abstract»

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  • Spatial Filtering to Improve Transverse Tomography

    Publication Year: 1974, Page(s):214 - 219
    Cited by:  Papers (15)  |  Patents (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2692 KB)

    A new transverse tomographic apparatus is described that enables the tomogram to be related to the ideal image by a linear blurring operation. It is shown that digital and optical linear spatial filtering techniques may be employed to remove the blurring that is present in the tomographic image obtained with the new device. Experimental verification of both restoration methods is presented. View full abstract»

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  • Determination of Catheter - Manometer System Linearity

    Publication Year: 1974, Page(s):220 - 226
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1918 KB)

    In an attempt to evaluate the pressure distortion due to clinical catheter-manometer systems, it becomes necessary to establish their linearity. While others have either discussed or have sought to establish the existence of linearity by investigation, no classification in present clinical systems has been made. Available discussions of the effect of a catheter-manometer system transfer function o... View full abstract»

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  • Dynamic Model of Ventilatory Response to Changes in Po2 at the Carotid Body Chemoreceptors

    Publication Year: 1974, Page(s):227 - 231
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1386 KB)

    Much of the recent work evaluating the role of the carotid body chemoreceptors in the control of ventilation has involved the application of transient stimuli. The response of ventilation to a sustained step decrease in Po2 from 90 mm Hg to 32 mm Hg of blood perfusing the carotid bodies of dogs indicated an abrupt increase in ventilation to nearly the final steady-state levels. The similari... View full abstract»

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  • Prevention of Deep- Vein Thrombosis Due to Stasis

    Publication Year: 1974, Page(s):232 - 237
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3538 KB)

    Deep-vein thrombosis due to stasis in the lower extremities commonly occurs in surgery or during prolonged periods of bed rest. A system to prevent stasis was developed and consists of a three-compartment pressure cuff, a pneumatic source, and an electronic controller. The cuff is designed to be placed on the lower extremities over the calf. Each section of the cuff is sequentially and intermitten... View full abstract»

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  • Implant Evaluation of a Nuclear Power Source - Betacel Battery

    Publication Year: 1974, Page(s):238 - 241
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (963 KB)

    In order to evaluate nuclear power sources for biomedical applications, a nuclear battery, Betacel, was used to power two telemetry transmitters designed with a very low power consumption. The transmitters were implanted in a dog to measure the voltage of the battery and the deep body temperature. Special care was given to the glass packaging to prevent possible damage from body fluids. The experi... View full abstract»

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  • Fraction Collector Using Ultrasonic Technique

    Publication Year: 1974, Page(s):241 - 243
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (769 KB)

    A fraction collector using an ultrasonic method to volumetrically sample small quantities of liquid is described in detail. The machine is designed around the parameters of studying the enterohepatic circulation of bile in the intact animal but may be used in the study of other body fluids. View full abstract»

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  • Computer-Controlled Synthesis of Tomograms by Means of a TV Storage Tube

    Publication Year: 1974, Page(s):243 - 244
    Cited by:  Papers (7)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1725 KB)

    An improved electronic system for synthesizing tomograms is described. All functions are controlled by a minicomputer. The addition of TV images is performed by a video storate tube. Resolution values of the individual components as well as of the total system are given. View full abstract»

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  • Long-Term Free-Ranging Recording Using Data Integral to Pulse Frequency Signal Transformation

    Publication Year: 1974, Page(s):245 - 246
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1789 KB)

    A method has been devised for recording low-frequency dc physiologic signals for extended periods. The signal is transformed to a pulse train that can be recorded on a portable ECG tape recorder. The reproducing circuit permits the construction of an analog signal proportional to the average of the original signal. View full abstract»

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  • Eight-Channel Data Set for Clinical EEG Transmission Over Dial-Up Telephone Network

    Publication Year: 1974, Page(s):246 - 249
    Cited by:  Papers (3)  |  Patents (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1798 KB)

    Telephone telemetry is becoming increasingly more applicable to health care delivery. Technical characteristics and results of field testing of a new eight-channel constant-bandwidth (CBW) frequency-modulated data set are described in this communication. These tests have shown that eight channels of quality EEG can now be successfully transmitted simultaneously over one conventional telephone line... View full abstract»

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  • Inexpensive Electrophysiologic Calibration Unit

    Publication Year: 1974, Page(s):249 - 251
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (941 KB)

    An inexpensive compact calibration circuit providing linear ramps and dc levels suitable for calibration of microelectrode recordings is described. View full abstract»

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  • Synthesis of Low-Frequency Noise for Use in Biological Experiments

    Publication Year: 1974, Page(s):251 - 252
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (398 KB)

    A simple technique is described for the generation of white noise having sufficient power below 10 Hz to be useful in biological experiments. View full abstract»

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  • Correction to ``Automatic Computation of the Cardiothoracic Ratio with Application to Mass Screening''

    Publication Year: 1974, Page(s): 252
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  • Contributors

    Publication Year: 1974, Page(s):253 - 255
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  • Call for Papers

    Publication Year: 1974, Page(s): 256
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  • IEEE Transactions on Biomedical Engineering Statement of Editorial Policy

    Publication Year: 1974, Page(s): 256-a
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  • Institutional listings

    Publication Year: 1974, Page(s): 256b
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Aims & Scope

IEEE Transactions on Biomedical Engineering contains basic and applied papers dealing with biomedical engineering. Papers range from engineering development in methods and techniques with biomedical applications to experimental and clinical investigations with engineering contributions.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Bin He
University of Minnesota