Roussel Uclaf

Daniel Benet

Jean A Grandadam

Alain Jobard

An automatic apparatus for the selective extraction of phases from a multiphase system in a receptacle distinguished by their opacity difference comprising a stirrup (1) moveable with respect to the receptacle (2) containing the multiphase system of different opacity (3) and (4), a control means (5) for moving the stirrup (1) which is sensitive to the change of opacity of the phases present in the receptacle (2) and a means (6) for effecting the extraction of the phase secured to the stirrup (1) which is especially suitable for extraction of biological fluids, particularly blood.

Extraction apparatus and process

A flexible cup contains a medicinal substance and the open face of the cup is pressed against a subject's ear skin by a pin passing through the cup and ear. A compensating member on the end of the pin presses the ear into the cup to maintain contact with the medicinal substance.

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Villemomble, France

Daniel Benet