Patent ID: 7481979

Claim:
A multiport cofinger stopper, which comprises: (a) a main housing, said main housing having a top and a bottom, and sidewalls, and having: (i) a central orifice passing from said top to said bottom, said central orifice being located toward a center of said top; (ii) a cofinger located in and extending through said central orifice from said top to said bottom, said cofinger being a concentric set of two tubes, at least one being an inner tube and one being an outer tube, said outer tube having a top and a bottom and being closed at said bottom of said outer tube, said at least one inner tube having a top and a bottom, said bottom of said at least one inner tube being open, said bottom of said at least one inner tube being located inside said outer tube wherein at least one of said inner tubes includes an elbow section extending through and outward from said outer tube, said elbow section being located within said stopper main housing, and extending through and outwardly from said sidewall of said main housing; (iii) a plurality of outer orifices located about said central orifice, each passing from said top to said bottom of said main housing; (b) sealing means on said sidewalls of said main housing for sealably connecting said stopper to an opening of a microreactor.