Interpretation And Medical Application Of Laser Biospeckle

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Interpretation and Medical Application of Laser Biospeckle

Author : Oliver Bendix Thompson
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (925 download)

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Book Synopsis Interpretation and Medical Application of Laser Biospeckle by : Oliver Bendix Thompson

Download or read book Interpretation and Medical Application of Laser Biospeckle written by Oliver Bendix Thompson and published by . This book was released on 2014 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser biospeckle is the dynamic laser speckle pattern produced by illuminating tissue with laser light. The dynamic nature of the speckle indicates the movement of particles in the tissue, particularly blood cells. Contrast analysis of laser biospeckle generates flow maps showing areas of higher or lower blood flow, for example vessels or background perfusion, and can detect changes in flow associated with inflammation, wounds or disease. This thesis presents methods of analysing laser speckle contrast, particularly a method using multiple camera exposures to generate the find the same spectral information from laser speckle fluctuations as laser Doppler, allowing quantitative measurements of flow. This work also presents a correction for spatial averaging in speckle, and confirms the validity of that correction using simulation and experiment. Spatial effects on laser speckle imaging techniques in tissues are tested experimentally. Multiple exposure speckle imaging was tested in vivo in a variety of situations, and clinically in measurements around diabetic foot ulcers. Measurements were made on three groups: patients with diabetic foot ulcers, patients with peripheral vascular disease, and normal control subjects. No difference in mean flow speed was found between the groups, but a significant difference in mean static contrast, indicating blood volume in tissue, was found.

Medical Applications of Lasers

Author : D.R. Vij
Publisher : Springer Science & Business Media
ISBN 13 : 1461509297
Total Pages : 381 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Medical Applications of Lasers by : D.R. Vij

Download or read book Medical Applications of Lasers written by D.R. Vij and published by Springer Science & Business Media. This book was released on 2013-11-27 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt: A careful review of the literature covering various aspects of applications of lasers in science and technology reveals that lasers are being applied very widely throughout the entire gamut of physical medicine. After surveying the current developments taking place in the field of medical applications of lasers, it was considered appropriate to bring together these efforts of international research scientists and experts into one volume. It is with this aim that the editors have prepared this volume which brings current research and recent developments to the attention of a wide spectrum of readership associated with hospitals, medical institutions and universities world wide, including also the medical instrument industry. Both teachers and students in the medical faculties will especially find this compendium quite useful. This book is comprised of eleven chapters. All of the important medical applications of lasers are featured. The editors have made every effort that individual chapters are self-contained and written by experts. Emphasis has been placed on straight and simple presentation of the subject matter so that even the new entrants into the field will find the book of value.

Laser Applications in Medicine and Biology

Author : M.L. Wolbarsht
Publisher : Springer Science & Business Media
ISBN 13 : 1461307457
Total Pages : 307 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Laser Applications in Medicine and Biology by : M.L. Wolbarsht

Download or read book Laser Applications in Medicine and Biology written by M.L. Wolbarsht and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: The diversity of the chapters presented in this volume illustrates not only the many applications of lasers, but also the fact that, in many cases, these are not new uses of lasers, but rather improvements of laser techniques already widely accepted in both research and clinical situations. Biological reactions to some special aspects of laser exposure continue to show new effects, which have implications for the ever-present topic of laser safety. Such biological reactions are included in fields of research which depend on properties of electromagnetic radiation exposure only possible with lasers, for example, the short pulses necessary for the temperature-jump experiments reviewed by Reiss: Speciality lasers, such as the transverse excitation atmospheric (TEA) or excimer lasers, add new wavelengths and pulse domains to those already available for biological application. A description of these new types of lasers by Osgood is included to indicate new possibilities for future use and to avoid limiting our coverage to well-developed present-day applications. Hillenkamp and Kaufmann describe a microprobe mass spectrograph for analysis of the minute amounts of material evaporated by a laser pulse. The analytical possibilities of this instrument are far-reaching, and some of the various results are described to illustrate the power of their method, as well as to show the types of problems that are suitable for it. The initial steps in photosynthesis have become the subject of intensive investigation.

Laser Applications in Medicine and Biology

Author : Myron Wolbarsht
Publisher : Springer Science & Business Media
ISBN 13 : 1461573262
Total Pages : 358 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Laser Applications in Medicine and Biology by : Myron Wolbarsht

Download or read book Laser Applications in Medicine and Biology written by Myron Wolbarsht and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: Much of the material in this book represents a departure from that presented earlier in the series. Volumes 1 and 2 presented almost exclusively reviews by American authors of American work. As science is international, it is rare that in two different parts of the world large groups of researchers in the same field remain relatively uninformed about each other's work. However, during the time since the initiation of this series, a large body of research has grown up in Russia that is almost unknown outside, as the original reports are largely untranslated. For this reason, an extensive review is presented here of the entire field of Russian applications of lasers in medicine and biology. Although the author, Dr. Gamaleya, has not worked directly with many of the applications, he has a general background in laser usage and has received much help from his colleagues in assembling the material. His review is restricted to Russian research. This does not mean that he is unaware of Western advances, rather that he has restricted his material to the parts that are peculiarly Russian or are significant confir mations of earlier work. Some of the Russian developments are quite novel and will certainly suggest to the careful reader new interpretations of old data, and possibly even new lines of research. The mechanisms proposed for the interaction of the high-intensity monochromatic light from lasers with biological material continue to grow in complexity.

Laser Applications in Medicine and Biology

Author : Myron Wolbarsht
Publisher : Springer Science & Business Media
ISBN 13 : 1461573238
Total Pages : 420 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Laser Applications in Medicine and Biology by : Myron Wolbarsht

Download or read book Laser Applications in Medicine and Biology written by Myron Wolbarsht and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the intervening years since the publication of Volume I, the develop ment of new uses for the various types of lasers has proceeded at a rate more rapid than even the most fanciful dreamers envisioned. Of course, the main effort has been on the laser itself-new wavelengths, shorter and longer time domains for pulses, increases in power, and, most important, greater reliability. In its first stage the laser was described as a solution in search of a problem. The production of holograms was one problem whose solution seemed to involve large number of lasers. However that proposal had its own difficulties, for the hologram itself was described as a solution searching for a problem. But all of that now is a chapter from ancient history . On the current scene the laser is used in industrial pro duction lines, as a classroom item at all levels of education, and in com mercial usage such that the public is generally exposed to the laser devices themselves. Trial runs have been made, e. g. , of laser-based supermarket checkout devices and as commercial exploitation of this item begins, cer tainly many more similar adaptations will follow. However, the shift in emphasis from research usage of lasers to de velopment and production has been relative rather than absolute. The use of the laser in research has not lessened; rather it has grown at as fast a pace. Yet a similar trend is seen there also.

Lasers in Medicine

Author : Ronald W. Waynant
Publisher : CRC Press
ISBN 13 : 142004074X
Total Pages : 354 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Lasers in Medicine by : Ronald W. Waynant

Download or read book Lasers in Medicine written by Ronald W. Waynant and published by CRC Press. This book was released on 2011-12-20 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of lasers in medical practice has dramatically increased over the years. Lasers and modern optics have largely been unexplored in medical science. This contributed work is both optimistic and cautionary in its expert evaluation of the state-of-the-art medical use of laser technology. The use of lasers to improve upon conventional practice i

Lasers for Medical Applications

Author : Helena Jelínková
Publisher : Elsevier
ISBN 13 : 0857097547
Total Pages : 827 pages
Book Rating : 4.8/5 (57 download)

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Book Synopsis Lasers for Medical Applications by : Helena Jelínková

Download or read book Lasers for Medical Applications written by Helena Jelínková and published by Elsevier. This book was released on 2013-09-30 with total page 827 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasers have a wide and growing range of applications in medicine. Lasers for Medical Applications summarises the wealth of recent research on the principles, technologies and application of lasers in diagnostics, therapy and surgery. Part one gives an overview of the use of lasers in medicine, key principles of lasers and radiation interactions with tissue. To understand the wide diversity and therefore the large possible choice of these devices for a specific diagnosis or treatment, the respective types of the laser (solid state, gas, dye, and semiconductor) are reviewed in part two. Part three describes diagnostic laser methods, for example optical coherence tomography, spectroscopy, optical biopsy, and time-resolved fluorescence polarization spectroscopy. Those methods help doctors to refine the scope of involvement of the particular body part or, for example, to specify the extent of a tumor. Part four concentrates on the therapeutic applications of laser radiation in particular branches of medicine, including ophthalmology, dermatology, cardiology, urology, gynecology, otorhinolaryngology (ORL), neurology, dentistry, orthopaedic surgery and cancer therapy, as well as laser coatings of implants. The final chapter includes the safety precautions with which the staff working with laser instruments must be familiar. With its distinguished editor and international team of contributors, this important book summarizes international achievements in the field of laser applications in medicine in the past 50 years. It provides a valuable contribution to laser medicine by outstanding experts in medicine and engineering. Describes the interaction of laser light with tissue Reviews every type of laser used in medicine: solid state, gas, dye and semiconductor Describes the use of lasers for diagnostics

Laser Applications in Medicine and Biology

Author : Myron Wolbarsht
Publisher : Springer Science & Business Media
ISBN 13 : 1461573203
Total Pages : 299 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Laser Applications in Medicine and Biology by : Myron Wolbarsht

Download or read book Laser Applications in Medicine and Biology written by Myron Wolbarsht and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: If a basic advance in physics has any practical applications, among the first are those in biology and medicine. This is quite striking when one considers even such unlikely things as the Mössbauer effect and X rays. Within a very short period of their discovery, they had welI-formulated biological and medical applications. The discovery of the laser is no exception. AIthough the theoretical basis for it was established in 1917 by Einstein, the techniques and materials necessary for building a laser were not then available. The laser has revitalized everything connected with optics. It has furnished the experimenter and the teacher with a pseudo-point source. It has translated many a theoretical experiment into one that can be realized practicalIy. The highly monochromatic and coherent aspects of the light, in addition to the high power levels that can be attained, add greatly to the usefulness in this regard. The industrial applictions range from punching holes in baby bottle nipples to a surveyor's instrument of such accuracy that it can plot tlie position of the moon relative to the earth within a few feet. Many years of very informal meeting on the subject of lasers in medicine and biology have been sponsored by the Gordon Research Conferences. The present book is an outgrowth of the discussions that took place at these meetings, aIthough it is in no sense a symposium report.

The Biomedical Laser

Author : Leon Goldman
Publisher : Springer Science & Business Media
ISBN 13 : 1461259223
Total Pages : 341 pages
Book Rating : 4.4/5 (612 download)

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Book Synopsis The Biomedical Laser by : Leon Goldman

Download or read book The Biomedical Laser written by Leon Goldman and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: The laser's range of application is extraordinary. Arthur Schawlow says, "What instrument can shuck a bucket of oysters, correct typing errors, fuse atoms, lay a straight line for a garden bed, repair detached retinas, and drill holes in dia monds?"O The laser's specifically biomedical uses cover a similarly broad and interesting spectrum. In this book, I have endeavored to convey some of the fas cination that the laser has long held for me. It is my hope that both clinicians and researchers in the various medical and surgical specialties will find the book a use ful introduction. Biologists, particularly molecular biologists, should also find a great deal of relevant information herein. This volume's distinguished contributors provide admirably lucid discussions of laser principles, instrumentation, and current practice in their respective special ties. Safety, design, capabilities, and costs of various lasers are also reviewed. We have aimed to create a practical text that is comprehensive but not exhaustive. Our emphasis on the practical, rather than the esoteric, is dictated not only by the short history of biomedical laser use, but by the extent of the community to which this information will appeal.

Applied Laser Medicine

Author : H. Breuer
Publisher : Springer Science & Business Media
ISBN 13 : 3642189792
Total Pages : 762 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Applied Laser Medicine by : H. Breuer

Download or read book Applied Laser Medicine written by H. Breuer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is intended for the advanced specialist and for the practitioner interested in the application of lasers in medicine. It provides summaries of all available medical laser systems and their clinical use. The first part introduces basic laser physics, including laser-tissue interactions as well as technical equipment and particular techniques developed for medical use in connection with laser. The second part of the text covers all areas of laser application in medicine and has been written by senior specialists from different countries. The book includes about 300 line drawings, more than 100 high quality photographs, an extensive subject and author register, and an exhaustive list of references.

Lasers in Medicine

Author : Gregory T. Absten
Publisher : Springer
ISBN 13 : 1489931562
Total Pages : 77 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Lasers in Medicine by : Gregory T. Absten

Download or read book Lasers in Medicine written by Gregory T. Absten and published by Springer. This book was released on 2013-11-11 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasers were developed out of Einstein's theories, but the first work ing device was not produced until 1960. Since then, they have found applications in many areas of medicine, and hold promise for many more. This book has been written to provide a basic found ation on lasers - what they are, how they work, and what they can do for the patient. It assumes only a basic scientific background in the reader, and has many simple and clear diagrams. It should be of interest to clinicians, surgeons, nurses, safety officers, patients and interested laymen. The book consists of six chapters, and following a glossary of technical terms, begins with a brief discussion of the physics behind laser action. This section is illustrated with clear diagrams, and is written in an easy-to-follow style. It describes how laser light originates, and how it differs fundamentally from ordinary light. The remainder of the book is concerned with the use of lasers in medicine. Chapter 2 deals with the various ways in which a laser beam can interact with tissue, and shows how this depends on the particular laser being used. The following chapter describes some properties of those lasers which are most usually used in current medical practice, but also discusses new and experimental develop ments. There are various methods of getting the laser beam to the target tissue, and these are described in Chapter 4.

Biomedical Aspects of the Laser

Author : Leon Goldman
Publisher : Springer Science & Business Media
ISBN 13 : 3642857973
Total Pages : 241 pages
Book Rating : 4.6/5 (428 download)

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Book Synopsis Biomedical Aspects of the Laser by : Leon Goldman

Download or read book Biomedical Aspects of the Laser written by Leon Goldman and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a review of past and current studies and future plans of the Laser Laboratory in Cincinnati and some of the contributions of laser research groups in other medical centers. Special thanks are due to the Directing Physicist of the Laser Labora tory, R. James Rockwell. Without his advice, constant supervision and corrections, this enthusiastic investigator would continue to upset even many more people than he has done already. The excuse, of course, is to stimulate much needed interest and controlled research and development of the laser for biology and medicine. The Associate Research Physicist, Ralph Schooley, has worked with many phases of laser research but especially in Q spoiling, Raman spectroscopy, and the almost alchemy of holography. Holography, as of now, provides many opportunities for Gumperson's Law, "If anything can go wrong, it will. " Sincere appreciation is expressed to the Surgeons in the Laser Labora tory, who have supplied clinical and investigative surgical supervision often under great difficulties, Dr. V. E. Siler and Dr. Bruce Henderson. We are grateful for help from the Directing Biologist of the Laser Labo ratory, Edmond Ritter, the Director of Laser Neurosurgery, Dr. Thomas Brown and the Professor of Neurosurgery, Dr. Robert McLaurin, for important and basic work in laser neurosurgery. Special thanks are given to Robert Meyer, who has given most of the treatments in careful and skillful fashion, and his associate, Robert Otten.

Laser Applications in Medicine and Biology

Author : M.L. Wolbarsht
Publisher : Springer Science & Business Media
ISBN 13 : 1489917047
Total Pages : 383 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Laser Applications in Medicine and Biology by : M.L. Wolbarsht

Download or read book Laser Applications in Medicine and Biology written by M.L. Wolbarsht and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use oflasers has entered almost every facet of medicine and biology. Therefore, it is to be expected that the reviews contained in this vol urne will reflect this diversity. As dinical acceptance has grown with various diagnostic and therapeutic applications, so has the need for a more thorough understanding of the theoretical background for each. This is especially true where a correlation is to be made between the theoretical background and the experimental data. It is only in this way that we can attain the optimal form of any therapy. The basic coupling ofenergy into biological tissue and its conversion into heat is characterized by many parameters. One ofthe most important is pulse duration. The review by Bimgruber in Chapter 6 shows how our knowledge ofthis parameter has been extended.The need for a more basic understanding of the interaction of electromagnetic energy with various kinds of materials has led to investigations on the nature of plasmas their stability and instability,and how theyexist. Docchio reviews the factors that cause them to occur at a specific locale and then to move away from that site. The availabilityofmany types ofoptical fibers has extended our ability to deliver laser energy from various types oflasers into almost anyselected location. This is particularly useful in medicine, where less invasive ap proaches to surgery and diagnosis are always helpful. However, as Rol and his colleagues explain, the power-handling capabilities ofoptical fibers limit many applications, particularly for short-duration, high-peak-power laser pulses.

Laser Applications in Medicine and Biology

Author : Myron Lee Wolbarsht
Publisher :
ISBN 13 :
Total Pages : 1040 pages
Book Rating : 4.:/5 (462 download)

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Book Synopsis Laser Applications in Medicine and Biology by : Myron Lee Wolbarsht

Download or read book Laser Applications in Medicine and Biology written by Myron Lee Wolbarsht and published by . This book was released on 1971 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Lasers in Medical Diagnosis and Therapy: Basics, Applications and Future Prospects

Author : Christoph Gerhard
Publisher : Institute of Physics Publishing
ISBN 13 : 9780750320238
Total Pages : 200 pages
Book Rating : 4.3/5 (22 download)

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Book Synopsis Lasers in Medical Diagnosis and Therapy: Basics, Applications and Future Prospects by : Christoph Gerhard

Download or read book Lasers in Medical Diagnosis and Therapy: Basics, Applications and Future Prospects written by Christoph Gerhard and published by Institute of Physics Publishing. This book was released on 2018-09-20 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasers in Medical Diagnosis and Therapy: Basics, applications and future prospects provides an overview on medical lasers and laser systems as well as laser applications in medical diagnosis and therapy. Since it was written by physicists, it focusses on the physics and underlying mechanisms of laser diagnosis and therapy.

Medical Lasers and Their Safe Use

Author : David H. Sliney
Publisher : Springer
ISBN 13 : 9781461392545
Total Pages : 0 pages
Book Rating : 4.3/5 (925 download)

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Book Synopsis Medical Lasers and Their Safe Use by : David H. Sliney

Download or read book Medical Lasers and Their Safe Use written by David H. Sliney and published by Springer. This book was released on 2011-10-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text was designed for the physicians, nurses, technical personnel, and staff members of medical facilities using lasers for surgical, therapeutic, and diagnostic purposes. The objective is to provide an understanding of the potential health and safety hazards associated with the use of medical laser systems and the precautions needed to use them safely. To do this, it is necessary to have an awareness of applicable standargs and regula tions that apply to laser use. This book is not intended as a substitute for the American National Standards Institute (ANSI) Z-136. 3, "Safe Use of Lasers in Health Care Facilities," but to facilitate its implementation as well as the implementation of the many other related regulations and guidelines that are pertinent. These other regulations include the Medical Device Amendments to the Food and Drug Act, the Federal Laser Product Performance Standards issued under the Radiation Control for Health and Safety Act, and applicable regulations of the Occupational Safety and Health Administration (OSHA). The text is organized to provide first an overview of laser hazards, laser surgical applications, and laser biological effects. General safety control measures and safety standards are then presented. Because laser tech nology is rapidly evolving, these general guidelines will allow safe use of new laser systems as they become available. Finally, specific safety guide lines and precautions are provided for specialized laser applications in the different health care specialties.

Lasers in Dermatology and Medicine

Author : Keyvan Nouri
Publisher : Springer
ISBN 13 : 9780857292803
Total Pages : 611 pages
Book Rating : 4.2/5 (928 download)

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Book Synopsis Lasers in Dermatology and Medicine by : Keyvan Nouri

Download or read book Lasers in Dermatology and Medicine written by Keyvan Nouri and published by Springer. This book was released on 2011-09-06 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser technology is constantly evolving and progressing. The use of laser therapy is vastly expanding and for this reason a medical book of this magnitude is necessary. Lasers and Light Therapy includes an up-to-date comprehensive look at lasers and light therapy not only in the field of Cutaneous Laser Surgery, but in other medical specialties as well.