Dissolution testing with in-situ gravimetric volume measurement

Details Dissolution testing with in-situ gravimetric volume measurement Dissolution testing with in-situ gravimetric volume measurement

2011-05-10

2011-05-10

Rogers, David A. (Department: 2856)

Measuring and testing

Simulated environment

C073S866000, C366S241000, C366S242000, C366S244000, C366S249000

Reexamination Certificate

active

07938032

ABSTRACT:
A dissolution test apparatus includes a vessel support member, weight sensors, a movable component, a media transport cannula, a pump, and an electronic controller. The vessel support member receives vessels. A weight sensor is located at each vessel site. Each weight sensor contacts a vessel and transmits a measurement signal indicative of the weight of the vessel and any contents therein. The movable component moves the media transport cannula toward a vessel site. The pump establishes media flow between the media transport cannula and the selected vessel. The controller communicates with the weight sensors and may also communicate with the pump. Based on the measurement signals received from the weight sensors, the electronic controller may calculate the volume of media in a given vessel. The electronic controller may also control media flows to or from the vessels by transmitting control signals to the pump assembly.

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