Features of Ultrasonic Waves Influence on Different Types Biological Tissues
| Authors | І.M. Lukavenko |
| Affiliations |
Sumy State University, 2, Rymsky-Korsakov St., 40007 Sumy, Ukraine |
| Е-mail | |
| Issue | Volume 12, Year 2020, Number 5 |
| Dates | Received 01 June 2020; revised manuscript received 15 October 2020; published online 25 October 2020 |
| Citation | І.M. Lukavenko, J. Nano- Electron. Phys. 12 No 5, 05005 (2020) |
| DOI | https://doi.org/10.21272/jnep.12(5).05005 |
| PACS Number(s) | 42.55.Wd, 42.62.Be |
| Keywords | Ultrasonic waves, Biological tissue, Surgical operations, Adipose, Glandular and muscle tissue. |
| Annotation |
The mechanisms of ultrasonic waves influence on biological tissues with the use of visualization of processes in tissue under the ultrasound action are studied in the work. It is shown that the reflection and absorption of ultrasound by tissues depend on their structure, properties and frequency of ultrasonic vibrations. Focused ultrasound with an intensity of 100-1000 W/cm2 is used for surgical operations which allows local destruction in the deep structures of tissues without damaging the surface layers. The basis of the physiological and therapeutic effects of ultrasound is the mechanical, thermal and physicochemical effects caused by it, the relationship between which depends on the intensity of exposure and the conditions of its implementation. An important role is played by the neuro-reflex mechanism of influence on the body. Ultrasound accelerates the processes of regeneration and repair, restoration of nerve fiber conduction in peripheral nerve injuries, resorption of infiltrates, traumatic edema, exudates and hemorrhages (primary effects), has anti-inflammatory, analgesic, antispasmodic, metabolic, hypotensive, antihypertensive effects and regional blood flow (secondary effects). It is established that strong absorption of ultrasound is observed on the borders of tissues that have different acoustic properties (skin/subcutaneous tissue, fascia/muscle, periosteum/bone). The ultrasound absorption changes markedly when the condition of the tissue changes due to the development of pathological processes in it. |
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