Patent ID: 11904311
Assignee: nan
Field: Chemical engineering (Chemistry)
Classification: CPC B  F | IPC B

Claim 0:
1. A microfluidic device comprising:
a) a rigid substrate having a top surface and a bottom surface, and comprising an aperture disposed therethrough;
b) a first groove formed within a portion of an inner surface of the aperture;
c) a first inlet port and a first outlet port formed at first and second ends of the first groove;
d) a collar fixedly attached to the rigid substrate, wherein the collar is sized and shaped to fit within the aperture, wherein the collar comprises a first curved slot formed within an inner surface thereof, and wherein the first curved slot is positioned adjacent to the first groove of the aperture;
e) a first elastic member disposed within the first curved slot and configured to form a first channel with the first groove of the aperture; and
f) one or more first valves disposed in the rigid substrate and positioned in alignment with the first inlet port, the first outlet port, or both the first inlet port and the first outlet port.