| 摘要 |
<p>The invention relates to a medical device for injecting contrast media including at least two separate vessels and immiscible contents inside one and/or both of the vessels, an injector and a distributor arranged such as to establish alternating communication between said vessels and said injector, said medical device being characterised in that it includes a means for providing said alternating communication at a frequency of 0.2 to 5 Hz.</p> |
