Uro-mechanics: Technical Solutions in the Development of a New Urological Catheter

Dani, Árpád and Szendrő, Péter (2009) Uro-mechanics: Technical Solutions in the Development of a New Urological Catheter. Progress in Agricultural Engineering Sciences, 5 (1). pp. 111-145. ISSN 1786-335X

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Abstract

The authors developed and constructed a new type of urological catheter, named “short catheter”. Experiments were performed with the new catheter and the valves developed for the catheter. Based on the results, one can conclude that the material Sh°60 seems to be suitable for constructing valve for short catheter. It meets the basic requirements made for the valve: less than 100 water cm pressure it is able to discharge 300 ml urine within 2 minutes. However, the valves made of material Sh°40 are better for the circumferential ribs and concerning elasticity. Because of the theoretical considerations and the conducted experiments, the form and the structure of the prototype short catheter was constructed. This prototype meets the requirements for the catheter and it is eligible to be the subject of further experiments. The experiments will focus on the determination of the flow rate through the whole catheter. In vivo experiments are planned with the new catheter.

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