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Detailed description of an implantable directional Doppler flowmeter. 一种植入式定向多普勒流量计的详细描述。
Biotelemetry Pub Date : 1976-01-01
D Cathignol, J Y Chapelon, J Jossinet, B Lavandier, C Fourcade
{"title":"Detailed description of an implantable directional Doppler flowmeter.","authors":"D Cathignol,&nbsp;J Y Chapelon,&nbsp;J Jossinet,&nbsp;B Lavandier,&nbsp;C Fourcade","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A Doppler flowmeter and the necessary modifications for implantation are described in detail. Since only part of the electronics was implanted a phase-locked loop had to be introduced in order to keep the flow measurement directional. The proper working of the apparatus is demonstrated in vitro and in vivo. As an example the result of flow studies in the aorta and the pulmonary artery after homotransplantation of the lung in dogs are given.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"3 2","pages":"117-28"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11360752","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
A combined sensor suitable for telemetering respiratory functions. 一种适合遥测呼吸功能的组合传感器。
Biotelemetry Pub Date : 1976-01-01
G Küchler, R Schneiderreit, W Wagner, I Wolburg, H J Lindner
{"title":"A combined sensor suitable for telemetering respiratory functions.","authors":"G Küchler,&nbsp;R Schneiderreit,&nbsp;W Wagner,&nbsp;I Wolburg,&nbsp;H J Lindner","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A system for measuring oxygen consumption from momentary respiratory values of free moving person is described. The main part presented here is a sensor consisting of a flowmeter based on the impeller principle, called 'Wirbelrespirometer', joint with a polarographic electrode sensitive to oxygen, and a very fast reacting thermistor. First comparative studies in computation of respiratory volume and oxygen consumption yielded average deviations against comparison methods of less than +/- 1% for computation of volume, and +/- 4% for computation of oxygen consumption.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"3 3-4","pages":"138-44"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11362196","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
Biotelemetry, literature survey of the past decade. 生物遥测，过去十年的文献调查。
Biotelemetry Pub Date : 1976-01-01
H J Ysenbrandt, T A Selten, J J Verschuren, T Kock, H P Kimmich
{"title":"Biotelemetry, literature survey of the past decade.","authors":"H J Ysenbrandt,&nbsp;T A Selten,&nbsp;J J Verschuren,&nbsp;T Kock,&nbsp;H P Kimmich","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"3 3-4","pages":"145-250"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11991347","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
Calibration and measurement in 3-dimensional monitoring of human motion by optoelectronic means. II. Experimental results and discussion. 光电技术在人体运动三维监测中的标定与测量。2实验结果及讨论。
Biotelemetry Pub Date : 1976-01-01
H J Woltring
{"title":"Calibration and measurement in 3-dimensional monitoring of human motion by optoelectronic means. II. Experimental results and discussion.","authors":"H J Woltring","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"3 2","pages":"65-97"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12209487","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
Clinical telemetry of EMG and temporal information during gait. 步态中肌电图和颞叶信息的临床遥测。
Biotelemetry Pub Date : 1976-01-01
A O Quanbury, C D Foley, D A Winter, R M Letts, T Steinke
{"title":"Clinical telemetry of EMG and temporal information during gait.","authors":"A O Quanbury,&nbsp;C D Foley,&nbsp;D A Winter,&nbsp;R M Letts,&nbsp;T Steinke","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Multichannel telemetry has formed an integral part of the clinical assessment of children's walking problems. EMG signals and temporal information from foot switches are transmitted from a small belt-pack unit which provides almost complete freedom of movement for the child. Although patients with various crippling diseases have been studied, the investigation of problems resulting from cerebral palsy has been most valuable clinically. The effects of orthopaedic surgery to release or transfer muscles can be asssessed more positively and the causes of some unexplained gait patterns can be investigated more thoroughly.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"3 3-4","pages":"129-37"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12210523","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
Teletransmission of physiological data. 生理数据的远程传输。
Biotelemetry Pub Date : 1976-01-01
T Andersson
{"title":"Teletransmission of physiological data.","authors":"T Andersson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The routine procedure of EEG recording is recalled to show the advantages of telemetric assessment of this parameter. The procedure for EEG telemetry is shown under different circumstances, e.g., by transmission with the aid of the 'Community Antenna System' of a hospital. Finally, a 16-channel telemetry system, using pulse width modulation is described.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"3 2","pages":"104-16"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12209486","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
A 4-channel telemetry system for hospital patient monitoring. 一种用于医院病人监测的四通道遥测系统。
Biotelemetry Pub Date : 1976-01-01
F F Klein, D A Davis
{"title":"A 4-channel telemetry system for hospital patient monitoring.","authors":"F F Klein,&nbsp;D A Davis","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A 4-channel radio telemetry system has been designed and implemented for use in the operating room on patients undergoing surgery. 30 such systems are in daily use throughout the Duke University Medical Cener. Relative simplicity, long battery life and a DC-response capability are the important features of these systems. The four physiological channels used are; electroencephalogram, electrocardiogram, peripheral pulse, and arterial blood pressure.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"3 2","pages":"98-103"},"PeriodicalIF":0.0,"publicationDate":"1976-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12209488","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
Microwave radiometry and its potential applications in biology and medicine: experimental studies. 微波辐射测量及其在生物学和医学中的潜在应用:实验研究。
Biotelemetry Pub Date : 1975-01-01
J Bigu-del-Blanco, C Romero-Sierra, D G Watts
{"title":"Microwave radiometry and its potential applications in biology and medicine: experimental studies.","authors":"J Bigu-del-Blanco,&nbsp;C Romero-Sierra,&nbsp;D G Watts","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This paper presents experimental data on : (1) the natural emission of microwave radiation by biological systems, and (2) the effect of drugs as well as microwave radiation on specimen microwave emission. Experiments were conducted on guinea pigs, mice, rabbits, and human subjects. The results were obtained with two different radiometers, one of the correlation type and one of the Dicke type, operating in the X-band at about 9 GHz with a sensitivity of approximately 0.1 degrees K. The results demonstrate the feasibility of this technique and suggestions are made for its use in bilogy, medicine, and in the field of biocommunications.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"2 5","pages":"298-316"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12410332","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
Biotelemetric investigation of the regulation of the cardiac frequency in animals with use of telestimulation. Model examinations in the neat. 使用电刺激对动物心脏频率调节的生物遥测研究。模型考试中整洁。
Biotelemetry Pub Date : 1975-01-01
D Börnert, G Börnert
{"title":"Biotelemetric investigation of the regulation of the cardiac frequency in animals with use of telestimulation. Model examinations in the neat.","authors":"D Börnert,&nbsp;G Börnert","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A method for the assessment of behaviour of the cardiac frequency regulation in freely moving animals by means of telestimulation and biotelemetry is described. The results of the examinations allow, in spite of individual variability, a classification of the animals into different types of regulation by consideration of the biorhythm. The assessment of the individual type of regulation in correlation to the biorhythmic structure of the organism is of basic significance for the evaluation of its capacity of performance and adapation.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"2 3-4","pages":"161-8"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12411554","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
Telemetered epidural pressure. 遥测硬膜外压力。
Biotelemetry Pub Date : 1975-01-01
D A de JONG, A H Ouden, T A van de Boon, F Yeskoot, A Maas
{"title":"Telemetered epidural pressure.","authors":"D A de JONG,&nbsp;A H Ouden,&nbsp;T A van de Boon,&nbsp;F Yeskoot,&nbsp;A Maas","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An implantable transducer capable of telemetering epidural brain pressure during long periods of time is described. The transducer is constructed from conventionally available materials, and routine workshop techniques are used. The coplanarity principle has been applied while the described mounting clamp allows discrete positioning of the transducer relative to the brain. Basically, the transducer consists of a coil-capacitor circuit in which alterations of epidural pressure induce changes in capacity and, thus, the transducer's resonance frequency. An external electromagnetically coupled impedance-measuring device converts the resonance frequency to a pressure analogous voltage. In vitro tests showed that the transducer had good accuracy and reliability for a period of more than 1 month. An in vivo experiment with a cat showed that the measured epidural pressure was linearly related to ventricular fluid pressure.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"2 5","pages":"257-64"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12411558","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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