National Repository of Grey Literature 48 records found  beginprevious29 - 38next  jump to record: Search took 0.00 seconds. 
Model of insufficient heart supported by rotary pump (Mechanical study)
Pražák, Josef ; Musil, Jan ; Leitermann, D.
The insufficient heart may be supported by rotary pump connected to the left heart in parallel. Behaviour of a heart can be characterized by Frank-Starling's curve, i.e. the cardiac output is function of only the heart rate. Values of cardiac output of insufficient heart are lower than the ones of healthy heart. The task of rotary pump is to transform the cardiac output to higher values. This transformation has to respect minimum value of ejection fraction.
Artificial joint lubrication
Pražák, Josef ; Štol, Miroslav ; Musil, Jan
Basic aspects concerning development of lubricating substances for artificial joints and tribometric testing of the system artificial joint-lubricant are briefly reviewed.

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