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日本機械学会論文集 C編
Vol. 74 (2008) No. 743 P 1798-1803



A cerebral thrombus or blood clot might cause cerebral stroke and even decease if the clot could not be dissolved within several hours after it was formed. This paper presents a fundamental study on the development of a new type of mechanical micro stirrer for assisting the dissolution of the thrombus with a few amount of thrombolytic agent. The micro stirrer is made of a slight beam embedded with a piezocell. To evaluate the dissolution state in vivo, the method using the piezo-stirrer as the probe to evaluate its solubility is proposed. An efficient excitation method for stirring up the thrombus to get a quick dissolution was investigated. The potential of the piezo-stirrer has been validated experimentally.

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