皮肤热力学与皮肤热疼痛

出版时间：2010-1  出版社：科学出版社  作者：徐峰  页数：414  
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前言

Advances in laser, microwave and similar technologies in medicine haveled to recent developments of thermal treatments for disease and injury,involving skin tissue. In spite of the widespread use of thermal therapiesin dermatology, they do not draw upon the detailed understanding of the biothermomechanical-neurophysiological behaviour, for none exists to date,even though each behavioural facet is somewhat established and understood.In view of this dilemma, a new research area emerges, which is the subject ofthis book: "Introduction to Skin Biothermomechanics and Thermal Pain".This area is highly interdisciplinary, involving the subjects of engineering,biology and neurophysiology. This book is focused on the introduction ofthis new research area. According to the schematic relationship between theareas involved, this book is divided into four parts: PART I. Skin bioheattransfer and thermal damage; PART II. Skin biomechanics; PART III. Skinbiothermomechanics; PART IV. Skin thermal pain.

内容概要

Introduction to Skin Biothermomechanics and Thermal Pain introduces the study of coupled bio-thermo-mechanical and neural behavior of skin tissue in response to thermal and mechanical loads. The research in this book focuses on the theoretical modeling and experimental investigation of heated skin tissue in order to provide a predictive framework for thermal therapies of diseased tissue in clinics. Furthermore, by developing solution tools, it focuses on changes in treatment parameters leading to more effective therapies. The book is intended for researchers and scientists in Bioengineering,Heat Transfer, Mechanics, Biology and Neurophysiology, as well as clinicians.

书籍目录

Chapter 1  Introduction  1.1  Introduction  1.2  Skin Biothermomechanics and Thermal Pain  1.3  Outline of the Book  ReferencesChapter 2  Skin Structure and Skin Blood Flow  2.1  Introduction  2.2  Skin Structure  2.3  Skin Blood Perfnsion  References    PART Ⅰ  SKIN BIOHEAT TRANSFERChapter 3  Skin Bioheat Transfer and Skin Thermal Damage  3.1  Introduction  3.2  Skin Bioheat Transfer  3.3  Skin Thermal Damage  3.4  Summary  ReferencesChapter 4  Analysis of Skin Bioheat Transfer  4.1  Introduction  4.2  Skin Bioheat Transfer Analysis with Fourier Model  4.3  Skin Bioheat Transfer Analysis with Non-Fourier Models  4.4  Summary  References    PART Ⅱ  SKIN BIOMECHANICSChapter 5  Skin Mechanical Behaviour  5.1  Introduction  5.2  Skin Behaviour under Stretch  5.3  Skin Behaviour under Compression  5.4  Skin Failure  5.5  Skin Friction  ReferencesChapter 6  Skin Biomechanics Experiments: Measurement and Influence of Different Factors  6.1  Introduction  6.2  In Vivo Measurements  6.3  In Vitro Measurements  6.4  Influence of Different Factors  6.5  Summary  ReferencesChapter 7  Skin Biomechanics Modeling  7.1  Introduction  7.2  Continuum Models and Phenomenological Models  7.3  Structural Models  7.4  Summary  References    PART Ⅲ  SKIN BIOTHERMOMECHANICSChapter 8  Introduction of Skin Biothermomechanics  8.1  Introduction  8.2  Mechanism of Thermal Denaturation (Shrinkage) of Collagen  8.3  Properties Variations due to Thermal Denaturation of Collagen  ReferencesChapter 9  Analysis of Skin Biothermomechanics  9.1  Introduction  9.2  Theoretical Analysis of Thermal Stress  9.3  Analysis with Fourier Bioheat Transfer Models  9.4  Analysis with Non-Fourier Bioheat Transfer Models  9.5  Summary  9.6  Appendix  ReferencesChapter 10  Experimental Characterization of Skin Biothermomechanics  10.1  Introduction  10.2  Experimental Methodology  10.3  Thermal Denaturation of Collagen in Skin Tissue  10.4  Hydrothermal Tensile Tests  10.5  Hydrothermal Compressive Tests  10.6  Characterization of Skin Viscoelasticity with Static Tests  10.7  Summary and Limitations  References    PART Ⅳ  SKIN THERMAL PAINChapter 11  Skin Thermal Pain Mechanism  11.1  Introduction  11.2  Definition of Pain and Pain Pathways  11.3  Anatomy and Physiology of Nociceptors  11.4  Theories of Thermal Pain  ReferencesChapter 12  Physiological Features of Pain Sensation  12.1  Introduction  12.2  Role of C and Aδ Nociceptors  12.3  Influence of Stimulus Temperature on Pain  12.4  Influence of Nociceptors Depth  12.5  Influence of Temperature Change Rate on Pain  12.6  Temporal Summation  12.7  Influence of Stimulus Duration  12.8  Spatial Summation  12.9  Hyperalgesia and Tissue Damage  12.10  Influence of Origin of Skin (Different Part in Body)  12.11  Influence of Skin Type  12.12  Gender Difference  12.13  Influence of Age  12.14  Summary  ReferencesChapter 13  Skin Thermal Pain Modeling  13.1  Introduction  13.2  Model of Transduction  13.3  Model of Transmission  13.4  Model of Modulation and Perception  13.5  Results and Discussion  13.6  Summary  References

章节摘录

However, classical grips which apply a pressure on the sample ends lead toa slippage of the sample if the pressure is too low, or damage of the samplenear the grips if the pressure is too high[147].  Gluing the samples to thegrip can be successfully done for very thin samples. However, if samples aretoo thick there is shear between the fixed sample sides and the sample core,giving a complex pattern of strain in this region[159] and the inner fibers of thesample are less strained than the fibers at the surface. Despite the reducedslippage or failure of connective tissue at the clamping site, a non-uniformloading pattern may occur, with uneven fiber recruitment of the tissue undertension and the constraint on the extracellular fibers at the bounds ofthe sample is induced[149], which will result in low measurement precisionand non-repeatability[146].SutureDue to the drawbacks of clamping described above, many researches haveused suture[161], where a specimen is attached to loading assemblies by severalcontinuous loops of medical suture per edge since using thin threads allowsthe free expanding of sample edges in the lateral direction[13], as shown inFigure 6.3. However, suturing sample edges might result in a discontinuousload transfer to the underlying fibrous network since only discrete groups offibers within the vicinity of the suture attachment point are loaded[149].Waldman & Lee[149] compared the dynamic biaxial mechanical responseof soft biological tissue samples under suturing and clamping under the sameconditions. It was found that the tissue samples appeared to be stiffer and lessextensible when mechanically tested with clamped sample edges, as opposedto when tested with sutured sample edges; and suture attachment methodsdemonstrated minimal boundary effects where four suture attachments aresufficien~ to obtain uniform stress field in biaxial testing. The same resultshave also been obtained by Sun et al.[140]1, who found that there were strongboundary effects with the clamped methods, which resulted in the fact thatthe inner region was not fully loaded and therefore not fully stretched andmakes the tissue appear to be substantially stiffer.

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《皮肤热力学与皮肤热疼痛(英文版)》由科学出版社出版。

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