-
Article
A method for noninvasive electrical stimulation of the diaphragm
Stimulated contraction of the diaphragm by non-invasive electrical stimulation of the phrenic nerve is demonstrated. A specialized device including a programmable current source and an electrode system has bee...
-
Article
A device for non-invasive electrical stimulation of the phrenic nerve
Results obtained from studies of the development of a device for non-invasive electrical stimulation of the phrenic nerve are presented. A block diagram of the device and schematics of key functional blocks ar...
-
Article
An X-ray emitter for medical diagnostics
Results obtained during the development of the first Russian-made emitter for medical diagnostics, based on a domestic X‑ray tube with a rotating anode, are presented. The main technical characteristics of the...
-
Article
A Device for Transcutaneous Stimulation of the Diaphragm
Results obtained during the development of an original device for noninvasive transcutaneous stimulation of the diaphragm using electromagnetic radiation in the terahertz frequency range are presented. The blo...
-
Article
Microfocus X-Ray Method for Detecting Hidden Defects in Seeds of Woody Forest Species and Other Types of Vascular Plants
Modern hardware solutions used to obtain digital X-ray images of seeds are characterized. The main visualization methods and techniques for analyzing digital X-ray images of seeds are described. We revealed an...
-
Article
A Method for Evaluating the Signal-to-Noise Ratio in Magnetic Resonance Images
Assessment of the signal-to-noise ratio as a control parameter for magnetic resonance imaging (MRI) systems is addressed. Experimental data were used to run a statistical analysis of noise components. Use of a...
-
Article
Surgical Stereo X-Ray Navigation
Hardware and software for surgical instrument navigation using stereo X-ray imaging were developed. The developed surgical stereo X-ray navigation system provides 3D imaging in the process of surgery or during...
-
Article
Current X-Ray Diagnosis Technology in Neonatology
The design of current X-ray diagnostic equipment used in neonatology and pediatrics is discussed. The parameters and functional capacities of these devices are analyzed. The technical requirements on the desig...
-
Article
X-Ray Computer Methods for Studying the Structural Integrity of Seeds and Their Importance in Modern Seed Science
X-ray computer methods of research (projection microfocus radiography and microtomography), which are used to study the problem of hidden defects of seeds and investigate its impact on sowing quality, have bee...
-
Article
New Methods for Digital Processing of Microfocus X-Ray Images
Three algorithms for digital processing of X-ray images were considered: correction of X-ray background based on subtraction of the distortion function, locally-adaptive equalization of histogram, and image de...
-
Article
Formation of Biomedical Coatings with Complex Compositions Using Vacuum Arc Plasma
One of the most promising methods for biomedical coating formation is based on the use of vacuum arc plasma sources that allow pure metals to be obtained and plasma-chemical synthesis of complex compounds to b...
-
Article
Features of the formation of nanoporous membranes based on alumina from foil and new fields of applications
The peculiarities of the formation of porous membranes based on aluminum oxide obtained by the electrochemical anodization of aluminum foil with the preset topological parameters of pores-capillares (20–220 nm...
-
Article
0.2BPM64-200 microfocus X-ray tube for projection radiography
The design of the first domestic microfocus X-ray tube with massive target and electrostatic 200-kV electron-beam focusing is presented. A monoblock X-ray device based on this tube and intended for projection ...
-
Article
Portable X-Ray Diagnostic Devices for Dentistry
Features of the design and main properties of Russian and some non-Russian portable dental devices are described. Results from dosimetric studies of the first Russian portable dental apparatus of the Pardus fa...
-
Article
Diagnostic Capabilities of Microfocus Roentgenography
Physical and technical fundamentals of microfocus roentgenography in medical diagnosis and results of experimental comparison of penetrating abilities of standard and microfocus roentgenography are reviewed.
-
Article
Effect of Scattered X-Ray Radiation on Imaging Quality and Techniques for Its Suppression*
Methods for suppression of scattered X-ray radiation and related methods for improvement of X-ray image are discussed. The concept of method selectivity is suggested by analogy with the concept of X-ray raster...
-
Article
Effect of X-Ray Tube Focal Spot Size on Radiovisiograph Resolution
The effect of the X-ray tube focal spot size on radiovisiograph resolution was tested experimentally.
-
Article
A Microfocus X-Ray Tube with Rotating Anode
The design of the first domestic microfocal X-ray tube with rotating anode is described. The results of tests of a prototype of the tube are given.
-
Article
Three-dimensional Scanning Systems Based on Binocular Stereovision for Medical Diagnosis
The disadvantages of monocular vision scanning systems as tools for constructing object models are discussed. A mathematical model for a laser scanning system based on binocular stereovision is presented. The ...
-
Article
Portable X-Ray Apparatuses for Dentistry and Maxillofacial Surgery
Portable X-ray apparatuses for dentistry and maxillofacial surgery have entered the list of medical X-ray equipment in recent years. The construction of a portable X-ray diagnostic apparatus allows the use of ...
