| 摘要 |
The invention is a medical device for containing and/or dispensing a therapeutic agent or a placebo to a patient. The medical device is preferably a syringe or an intravenous (IV) infusion system. A device according to the invention has a viewing portion through which a therapeutic agent or placebo contained therein may be seen by a patient or operator. The viewing portion is colored so that a therapeutic agent having a first color and a placebo having a second color that is different from the second color are virtually or entirely indistinguishable when contained within the device and viewed through the viewing portion.
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