A drug delivery system for enabling liquid in a container (10) to contact the contents of a vial (48) employs a cup (22) having a mouth through which a vial (48) is insertable head down. A conduit (70, 26, 12) extends from the cup (22) interior to the container (10) interior, possibly via a non-release...http://www.google.com.hk/patents/US5061264?utm_source=gb-gplus-share專利 US5061264 - Apparatus for contacting material such as a drug with a fluid
