RU2016124876A - The method for determining the elasticity of biological tissues - Google Patents

The method for determining the elasticity of biological tissues Download PDF

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RU2016124876A
RU2016124876A RU2016124876A RU2016124876A RU2016124876A RU 2016124876 A RU2016124876 A RU 2016124876A RU 2016124876 A RU2016124876 A RU 2016124876A RU 2016124876 A RU2016124876 A RU 2016124876A RU 2016124876 A RU2016124876 A RU 2016124876A
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elasticity
determining
biological tissues
samples
absolute elongation
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RU2016124876A
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RU2670434C1 (en
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Алексей Николаевич Стрелков
Александр Иванович Улитенко
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Государственное бюджетное образовательное учреждение высшего профессионального образования "Рязанский государственный медицинский университет имени академика И.П. Павлова" Министерства здравоохранения Российской Федерации
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/06—Special adaptations of indicating or recording means

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Claims (4)

Способ определения упругости биологических тканей, отличающийся тем, что производят прямые измерения зависимости абсолютного удлинения
Figure 00000001
исследуемых образцов под действием дискретно возрастающей силы F с последующим преобразованием экспериментальных данных в аналитические выражения в виде общей аппроксимирующей функции:A method for determining the elasticity of biological tissues, characterized in that direct measurements of the absolute elongation are performed
Figure 00000001
of the studied samples under the action of a discretely increasing force F with subsequent conversion of the experimental data into analytical expressions in the form of a general approximating function:
Figure 00000002
Figure 00000002
 где
Figure 00000003
- абсолютное удлинение образца,
Figure 00000004
и S - исходная длина и площадь поперечного сечения образцов соответственно, F - прилагаемая сила и далее, по установленным численным значениям коэффициентов a, b и c, характеризующим свойства исследуемых образцов, рассчитывается их коэффициент упругости (м2/Н) по формуле:Where
Figure 00000003
- absolute elongation of the sample,
Figure 00000004
and S is the initial length and cross-sectional area of the samples, respectively, F is the applied force and then, according to the established numerical values of the coefficients a , b and c, characterizing the properties of the studied samples, their elastic coefficient (m 2 / N) is calculated by the formula:
Figure 00000005
.
Figure 00000005
.
RU2016124876A 2016-06-21 2016-06-21 Method for determining elasticity of biological tissues RU2670434C1 (en)

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU420928A1 (en) * 1972-07-10 1974-03-25 И. И. Геллер DEVICE FOR REGISTRATION OF ELASTIC-VISCOUS PROPERTIES OF BIOLOGICAL TISSUES
SU1644029A1 (en) * 1987-06-29 1991-04-23 Институт Проблем Механики Ан Ссср Method for determination of mechanical properties of biological soft tissues
SU1803778A1 (en) * 1990-12-25 1993-03-23 Ivanovsk Textil Inst Device for determining rigidity and elasticity of flexible materials
EE05601B2 (en) * 2010-12-31 2015-06-15 As Myoton Device and method for simultaneous real-time measurement of parameters of state of mechanical stress, elasticity, dynamic stiffness, creepability and relaxation time of mechanical stress of soft biological tissue and a computer program product
CN102423264B (en) * 2011-09-01 2014-05-21 中国科学院深圳先进技术研究院 Image-based biological tissue elasticity measuring method and device
RU2466680C1 (en) * 2011-10-03 2012-11-20 Общество С Ограниченной Ответственностью "Витацел" Diagnostic technique for patient's skin conditions
RU2564895C1 (en) * 2014-06-09 2015-10-10 Федеральное государственное бюджетное научное учреждение "Научно-исследовательский институт комплексных проблем сердечно-сосудистых заболеваний" (НИИ КПССЗ) Method for making biological tissue samples with implanted elements for light microscopy study

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