摘要:

IntroductionThe last couple of decades have witnessed a rapid development of control and systems theory. Parallel to these developments, advances in electronics and especially computers have resulted in many application areas of control theory, hitherto making do with their own methodologies, being strongly influenced by these developments, and thus adopting their methods. Clinical medicine, although basically a science apparently unrelated to control engineering, is being affected to such an extent that it is now possible to use available online control devices, especially during surgical operations and in intensive care units. This, on the other hand, is hardly surprising if one considers all the other application areas of control engineering, like mining, hazardous industry, air travel or nuclear power production, which have resulted in increased safety standards where human. lives are concerned.

ISSN:0309-1902    

DOI:10.3109/03091909009019266

出版商:Taylor&Francis    

年代:1990

数据来源: Taylor

摘要:

The paper describes an approach to solving (he problem of providing a large-capacity image archive for diagnostic imaging departments at reasonable cost. Optical disk stores, when fitted retrospectively to scanners, are very expensive and may not be compatible with existing computer hardware. We describe the use of an industry standard personal computer (PC) linked to a standard 5i-in. optical disk drive as a‘stand-alone’image store. Image data are transferred from the scanner using 8-in. floppy disks, and these are read into the PC using an attached 8-in. floppy disk drive and then transferred to the optical disk. The patient details (patient name, ID, date, etc.) are entered into a database program held on the PC and these are used to generate a reference pointer to the optical disk file through which the data can be retrieved. Data retrieval involves entering the patient details into the data base and inserting a blank 8-in. floppy disk into the drive attached to the PC. A sector copy is then made from the optical disk to the 8-in. floppy disk, which can then be used at the viewing station at the scanner. The system is flexible since it can accept data from a variety of sources in any format; it is also low cost and. operates independently of the scanner. The hardware is industry standard, ensuring low maintenance costs.

ISSN:0309-1902    

DOI:10.3109/03091909009019267

出版商:Taylor&Francis    

年代:1990

数据来源: Taylor

摘要:

The polymerase chain reaction (PCR) has become a valuable tool in the fields of cellular and virological research. This paper presents a performance comparison of four devices (three commercial and one prototype) designed to supply the thermic cycle central lo the PCR procedure. Results of investigations using a thermocouple revealed that the greatest heating rate and shortest cycle time was attained by the prototype device which used waterbaths as the conducting medium. Dry-block based systems, which heated and cooled a single thermal reservoir, provided generally smaller and more sophisticated machines, but two such devices produced varying results when subjected to experimental analysis. Before purchasing, it is recommended that comparative trials are conducted using differing types of machines, since performance may vary according to individual reactions executed.

ISSN:0309-1902    

DOI:10.3109/03091909009019268

出版商:Taylor&Francis    

年代:1990

数据来源: Taylor

摘要:

Dear SirYou have solicited the views of safety and standards experts on the paper by Ezawa and Futami [1].My main comment would be that there are considerable differences of viewpoint and practice between different countries on the role of potential equalization for medical equipment. The authors correctly observe that the subject has been discussed in IEC for several years (I would say rather for many years), without conclusion.

ISSN:0309-1902    

DOI:10.3109/03091909009019269

出版商:Taylor&Francis    

年代:1990

数据来源: Taylor

摘要:

Doppler Echocardiography The Quantitative ApproachA. J. Labovitz and G. A. Williams, Lea&Febiger, USA. ISBN 0-8121-1105-2. 121 pages. Price£15.30.Networks and Image HandlingEdited by P. S. Tofts and R. W. Granage, Institute of Physical Sciences in Medicine, UK. ISBN 0-904181-47-2. 109 pages. 1987.BSI certificationHeated humidifiers

ISSN:0309-1902    

DOI:10.3109/03091909009019270

出版商:Taylor&Francis    

年代:1990

数据来源: Taylor

ISSN:0309-1902    

DOI:10.3109/03091909009019273

出版商:Taylor&Francis    

年代:1990

数据来源: Taylor

ISSN:0309-1902    

DOI:10.3109/03091909009019274

出版商:Taylor&Francis    

年代:1990

数据来源: Taylor