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Detector of bubbles in blood
Foltýn, Vojtěch ; Sekora, Jiří (referee) ; Rozman, Jiří (advisor)
ABSTRAKT This thesis is the theoretical part deals with various ways of cleansing the blood, with a focus on hem dialysis. Describes the technical solution and monitor the dialysis flow diagram of blood and dialysate. The paper describes various solutions to detect bubbles in the blood and their advantages and disadvantages. Based on the best method of detection are designed detector bubbles. Working in the practical part contains a proposal detector set for venous diameter of 20 mm. Equipment to detect bubbles allows for connection to a blood pump discontinue its activities. Output works are drawing diagrams, printed circuit board design and implementation of graphs circuits.
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Step-up convertor with transformer
Poštolka, Martin ; Procházka, Petr (referee) ; Hejkrlík, Jan (advisor)
This work focuses on the proposal and realization of high-frequency switching source. It consists of a theoretical and a practical part. The theoretical part includes selection and summary of the parameters of converters which we use. It also includes schemes and visual display of the important continuance of magnitudes. We can also find there the enumeration of advantages and disadvantages of every single converter. Further, it is concerned with the selection of the converter which is most suitable for our work. The practical part consists of the calculation and the solution of the step-up converter with the transformer. The realization and appropriate choice of components follows. There is also described the power supply of the switching transistors and how to operate these device.
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Detector of bubbles in blood
Foltýn, Vojtěch ; Sekora, Jiří (referee) ; Rozman, Jiří (advisor)
ABSTRAKT This thesis is the theoretical part deals with various ways of cleansing the blood, with a focus on hem dialysis. Describes the technical solution and monitor the dialysis flow diagram of blood and dialysate. The paper describes various solutions to detect bubbles in the blood and their advantages and disadvantages. Based on the best method of detection are designed detector bubbles. Working in the practical part contains a proposal detector set for venous diameter of 20 mm. Equipment to detect bubbles allows for connection to a blood pump discontinue its activities. Output works are drawing diagrams, printed circuit board design and implementation of graphs circuits.
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Step-up convertor with transformer
Poštolka, Martin ; Procházka, Petr (referee) ; Hejkrlík, Jan (advisor)
This work focuses on the proposal and realization of high-frequency switching source. It consists of a theoretical and a practical part. The theoretical part includes selection and summary of the parameters of converters which we use. It also includes schemes and visual display of the important continuance of magnitudes. We can also find there the enumeration of advantages and disadvantages of every single converter. Further, it is concerned with the selection of the converter which is most suitable for our work. The practical part consists of the calculation and the solution of the step-up converter with the transformer. The realization and appropriate choice of components follows. There is also described the power supply of the switching transistors and how to operate these device.
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