Establishment of an internal coating method of vacuum-formed blood pumps.

概要

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Australian-made spiial vortex blood pump with vacumm-formed diaphragm was used to establish thebest coating technique for blood contacting surface. The inner surface of the pump was coated by three different coating materials(TM5+DMFE-380+THFE-380+Cyclohexanon)in tum by using a Singapore-made three-dimentional rotational moulding workstation. After several trials, it wasconcluded that the most uniform layer could be achieved under the rotational speeds of Major Minoraxis at1. 00 1. 25rpm, respectively. Moreover, hemocompatibility test was conducted betweencoated and uncoated pumps under the mean flow rate of5L mina. It was indicated that lessthrombi were formed at the coated surface, then advantage of our present coating technique wasverified.
ライフサポート学会の論文