[The formulation of the prediction of financial results in the activities of a dental enterprise].
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Dental Clinics↗
Biomedical subjects
N B Kuz'mina
Publications and source records attributed to N B Kuz'mina.
Study of the character of the motion of the shut-off elements in artificial heart valves with the aid of a photoelement.
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Heart Valve Prosthesis↗
[Anatomical and hydrodynamic characteristics of the heart in relation to its function as a pump].
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Adolescent↗
[Role of the active contractile function of the atrium in the origin of the intra-atrial pressure curve].
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Atrial Function↗
[On the problem of the function mechanism of natural valves in the heart].
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Adaptation, Physiological↗
["Resistance" of the globular valves].
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Evaluation Studies as Topic↗
[Effect of mitral valve prosthesis on the structure of fluid flow in the left ventricular cavity of the heart].
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Bioprosthesis↗
[Study of the nature of the movement of obturating elements in artificial heart valves of the vent type with the aid of photoelement].
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Evaluation Studies as Topic↗
[Physico-mechanical and functional characteristics of an aortic xeno-valve treated by the conditioning method].
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Animals↗
[Evaluation of the force loads on the elements of artificial heart valves from the results of processing echocardiograms].
Approaches to further improving the valve prosthesis construction greatly depend on the knowledge of the physical load affecting the elements of artificial cardiac valves that operate in the human organism. An analysis of echocardiograms is given. They were recorded in the patients with implanted artificial ball heart valves, type MK4-2.25. The design values for the force of the ball impact against the valve shell are presented. The echocardiogram analysis revealed a phenomenon of the fibrotic ring deformation under the ball action on the valve shell and the degree of this deformation has been determined.
Biomechanical Phenomena↗
[Changes in hydrodynamic properties of heterotransplants of heart valves depending on the methods of their sterilization and storage].
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Animals↗
[On testing ball valves for sticking].
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Heart Valve Prosthesis↗
[Methods for the determination of hydrodynamic properties of artificial heart valves].
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Heart Valve Prosthesis↗
[Hydro- and hemodynamics of artificial heart valves].
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Heart Valve Prosthesis↗
[Type of blood flow in the left heart ventricle (experimental study)].
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Animals↗