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Fourth international symposium on biotelemetry. Garmisch-Partenkirchen, FRG, May 28-June 2, 1978. 第四届生物遥测国际研讨会。Garmisch-Partenkirchen, FRG, 1978年5月28日至6月2日。
Biotelemetry Pub Date : 1978-01-01
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引用次数: 0
A multichannel telemetry system for long-term in vivo evaluation of implantable materials. 用于植入式材料长期体内评估的多通道遥测系统。
Biotelemetry Pub Date : 1977-01-01
P Baurschmidt, R Thull, M Schaldach
{"title":"A multichannel telemetry system for long-term in vivo evaluation of implantable materials.","authors":"P Baurschmidt,&nbsp;R Thull,&nbsp;M Schaldach","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Long-term in vivo measurements of the corrosion potentials of various implantable metal materials are performed using an implantable multichannel telemetry system. The data acquisition system has been designed to achieve maximum ease of operation for routine tests in animal applications. A novel signal encoding technique offers advantageous properties in connection with a commercial audio cassette tape recorder for signal storage. The flexibility of the design extends the scope of application to include not only biomaterial testing but all low frequency data transmissions in biological research.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 1","pages":"34-44"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11799323","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
Radiotelemetry-based study of occupational heat stress in a steel factory. 基于无线电遥测技术的钢铁厂职业热应力研究。
Biotelemetry Pub Date : 1977-01-01
U Reischl, D M Marschall, P Reischl
{"title":"Radiotelemetry-based study of occupational heat stress in a steel factory.","authors":"U Reischl,&nbsp;D M Marschall,&nbsp;P Reischl","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Heat stress conditions prevailing in a steel factory were evaluated using a newly developed radiotelemetry system. This system was used as a station monitor for determining environmental temperature conditions and as a personal monitor to obtain data of worker physiological responses. Environmental information was used in calculating wet-bulb globe temperature heat stress index values. Physiological data were used in confirming safety limits. The study demonstrated the effectiveness of radiotelemetry in assessing occupational exposures to heat stress.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 3","pages":"115-30"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11817459","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
Transcutaneous monitoring of blood gases. 经皮血气监测。
Biotelemetry Pub Date : 1977-01-01
H P Kimmich
{"title":"Transcutaneous monitoring of blood gases.","authors":"H P Kimmich","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 2","pages":"46-7"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11813498","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 portable miniature solid-state heart rate recorder for monitoring daily physical activity. 一种便携式微型固态心率记录仪，用于监测日常身体活动。
Biotelemetry Pub Date : 1977-01-01
W H Saris, P Snel, J Baecke, F van Waesberghe, R A Binkhorst
{"title":"A portable miniature solid-state heart rate recorder for monitoring daily physical activity.","authors":"W H Saris,&nbsp;P Snel,&nbsp;J Baecke,&nbsp;F van Waesberghe,&nbsp;R A Binkhorst","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A compact, rugged, solid-state heart rate recorder (63 X 94 X 22 mm, 195 g) to measure normal daily heart rates over periods of up to 33 h is described. With an interval switch a selection can be a mean heart rate over 30, 60 or 120 sec. The ECG amplifier filter is equipped with an automatic gain control to eliminate R-wave amplitude changes during physical activity. A continuous acoustic check on correct electrode attachment and sufficient signal amplitude is possible by means of an earphone. Data may be stored on punch tape, tape recorder, or processed on-line, or plotted directly one a line writer to obtain a heart rate profile over the measured time. In 45 studies with adults and children the heart rate recorder has proven to be a reliable instrument.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 3","pages":"131-40"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11817460","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
Ambulatory monitoring of the electrocardiogram: an important aspect of pacemaker surveillance. 动态心电图监测:起搏器监测的一个重要方面。
Biotelemetry Pub Date : 1977-01-01
D E Ward, A J Camm, R A Spurrell
{"title":"Ambulatory monitoring of the electrocardiogram: an important aspect of pacemaker surveillance.","authors":"D E Ward,&nbsp;A J Camm,&nbsp;R A Spurrell","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Of the 353 patients followed in the pacemaker surveillance clinic between July 1976 and July 1977, 25 patients complained of episodes of dizziness and faintness. 20 of these had normal pacing function and pacemaker parameters at routine clinic testing. 18 patients had 'demand' units and 2 had fixed-rate pacemakers. The indication for permanent pacing was complete heart block in 16 patients and sinoatrial disease in 5 patients. At clinic follow-up, there was unequivocal evidence of vertebrobasilar insufficiency in 5 patients and postural hypotension in 4 patients. In 11 patients, the cause of presyncope was not evident at the clinic. All patients were monitored by 24-hour tape recording until an episode of pre-syncope occurred. In 8 patients, there was evidence of intermittent failure to pace associated with the episodes of presyncope. In 2 patients, an additional cause for presyncope was found at clinic examination. Ambulatory 24-hour tape monitoring of the electrocardiogram is an important adjunct to pacemaker follow-up especially when other methods such as transtelephone monitoring are not available in the United Kingdom. Routine electronic testing of pacemaker function does not always reveal intermittent abnormalities related to changes in threshold or unstable electrode positions.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 3","pages":"109-14"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11817457","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 pulse-position-modulated multichannel radio telemetry system for the study of the avian nest microclimate. 一种用于鸟窝小气候研究的脉冲位置调制多通道无线电遥测系统。
Biotelemetry Pub Date : 1977-01-01
P W Howey, R G Board, J Kear
{"title":"A pulse-position-modulated multichannel radio telemetry system for the study of the avian nest microclimate.","authors":"P W Howey,&nbsp;R G Board,&nbsp;J Kear","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A multichannel biotelemetry system using pulse position modulation has been developed to monitor continuously the environment in birds' nests. Probes to measure temperature at six points, relative humidity, light and egg attitude, together with a transmitter and power supply are contained in a fibreglass shell, having the shape, size and weight of the egg of the species being studied. The sensing egg is placed in the nest at the completion of a clutch and not removed until the young have hatched. A low-power transponder is used to relay the signals up to 2 miles to a data-logging system in the laboratoy.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 4","pages":"169-80"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11818934","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 method for the analysis of the data represented by a multiple exponential function. 一种分析由多重指数函数表示的数据的方法。
Biotelemetry Pub Date : 1977-01-01
Y Yamada
{"title":"A method for the analysis of the data represented by a multiple exponential function.","authors":"Y Yamada","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A method for the analysis of the data represented by the sum of multiple exponential functions is proposed in which each component of f(t) = n sigma i=1 aie -zetait is expressed as a spectrum. The convolution integral is derived by applying the Laplacian integral to f(t) with suitable transformation of the variables, and the spectrum representation is obtained by using the Fourier transformation. A generalized theoretical analysis is made and several results of numerical evaluations for model data or experimental data are briefly described.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 4","pages":"181-92"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11818935","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
Telemetric motor activity in children. A preliminary study. 儿童遥测运动活动。初步研究。
Biotelemetry Pub Date : 1977-01-01
F G Foster, R J McPartland, D J Kupfer
{"title":"Telemetric motor activity in children. A preliminary study.","authors":"F G Foster,&nbsp;R J McPartland,&nbsp;D J Kupfer","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A lightweight telemetric mobility sensing system was used to study the relationship between high levels of motor activity during free-play and school performance. Among the 21 normal children, there was a significant correlation between high ankle motor activity during free-play, poor school achievement, the presence of neurological soft signs, and a poor self-image. Those normals whose free-play ankle activity was above the mean, also had significantly more errors and performed at a significantly lower level on the Bender Visual Motor Gestalt Test than children whose activity was below the mean. This preliminary study suggests that the telemetric mobility sensing system can be easily applied to children to assess clinically relevant components of psychomotor activity.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 1","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11799321","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
The isolation amplifier, an interface between EEG recorder and data processor. 隔离放大器是脑电图记录仪和数据处理器之间的接口。
Biotelemetry Pub Date : 1977-01-01
J A Klijn
{"title":"The isolation amplifier, an interface between EEG recorder and data processor.","authors":"J A Klijn","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>An isolation amplifier is presented which is intended as an interface between electrophysiological recorders and standard data processing equipment. Due to its floating input and output, differences in ground potentials do not disturb the transmitted signal. Hence, recorder and data processors can be grounded according to the manufacturer's recommendation. Powerline leakage currents are also prevented from loading the ground of the electrophysiological recorder. Compared to the isolation transformer this device saves space, while polarity restorations can be made and no modifications are needed in any piece of equipment.</p>","PeriodicalId":75602,"journal":{"name":"Biotelemetry","volume":"4 3","pages":"165-8"},"PeriodicalIF":0.0,"publicationDate":"1977-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11817463","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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