Patent ID: 11859214
Assignee: THE GOVERNMENT OF THE UNITED STATES, AS REPRESENTED BY THE SECRETARY OF THE ARMY
Field: Measurement (Instruments)
Classification: CPC C  G | IPC C  G

Claim 9:
10. The in vitro model of an in vivo gastrointestinal tract according to claim 7, wherein at least one of the in vitro ascending portion model, the in vitro transverse portion model and the in vitro descending portion model further include a third membrane unit configured to extract nutrients from the contents of the respective fermentation vessel that pass there through and include a third membrane unit inlet, a third membrane unit outlet and a third membrane unit exit port through which the extracted nutrients exit the third membrane unit, a thirteenth fluid conduit including a eleventh pump connected between the respective fermentation vessel and the third membrane unit inlet and configured to supply a portion of the contents of the respective fermentation vessel to the third membrane unit and a fourteenth fluid conduit connected between the third membrane unit outlet and the respective fermentation vessel and configured to return the contents of the respective fermentation vessel that are not extracted by the third membrane unit to the respective fermentation vessel.