Patent ID: 9364826
Filing Date: 2016-06-14
CPC Classification: B01L,G01N

Claim Text:
1. A test chip unit comprising a test chip for use in performing a biochemical test by injecting and sucking a test solution with use of a pipette chip, wherein: the test chip comprises: the pipette chip is structured to inject and suck the test solution in and out of the fluid channel; the seal member comprises a plurality of laminated sheet members including a first sheet member having a predetermined ductility and a predetermined elasticity capable of forming a hole therein by pressing a tip of the pipette chip against the seal member, and a second sheet member having a lower ductility than the first sheet member, the sheet members adjoining each other being adhered to each other in a direction of laminating the sheet members, the second sheet member is disposed on an inner side than the first sheet member in the sheet laminating direction, the inner side corresponding to a side of the chip body, the pipette chip has a tip portion in a nozzle-like shape configured such that the tip of the pipette chip is opened, the pipette chip being formed into such a shape that a tip surface of the pipette chip surrounding a periphery of the opening is aligned in parallel or substantially aligned in parallel to the seal member when the tip of the pipette chip is pressed against the seal member of the test chip, and the seal member is structured to have a tubular portion along the outer circumferential surface of the tip portion of the pipette chip when the hole is formed in the seal member with use of the tip portion of the pipette chip.