Blood filter cartridge with overflow receiver
AssigneeFuji Photo Film Co., Ltd.
InventorsKenichiro Yazawa, Takaki Arai, Osamu Seshimoto
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Abstract
The blood filter cartridge of the invention can be used as a sample cup of an analyzer without sucking bubbles, which comprises a blood filtering material, a holder containing the blood filtering material and having a blood inlet and a filtrate outlet, and a filtrate receiver for receiving filtrate discharged from the filtrate outlet, the filtrate receiver has an upper end having a difference in height or structure for returning the filtrate from the upper end of the filtrate receiver to the filtrate outlet.
Claims13
A blood filter cartridge which comprises a blood filtering material, a holder comprising a filter chamber containing the blood filtering material and having a blood inlet and a filtrate outlet, a filtrate receiver for receiving filtrate discharged from the filtrate outlet and an overflow receiver which receives overflow from the filtrate receiver, wherein the filtrate receiver is cylindrical and located on the upside of the filter chamber and has an inside diameter effective to form a meniscus and a volume greater than a intended volume of the filtrate, and the filtrate outlet is located above a designed liquid level of the filtrate receiver.
A blood filter cartridge which comprises a blood filtering material, a holder comprising a filter chamber containing the blood filtering material and having a blood inlet and a filtrate outlet, a filtrate receiver for receiving filtrate discharged from the filtrate outlet and an overflow receiver which receives overflow from the filtrate receiver, wherein the filtrate receiver is located on the upside of the filter chamber and has an upper end having a difference in height from the intended liquid level of the filtrate receiver and wherein the filtrate outlet is located above an intended liquid level in the filtrate receiver.
A blood filter cartridge which comprises a blood filtering material, a holder comprising a filter chamber containing the blood filtering material and having a blood inlet and a filtrate outlet, a filtrate receiver for receiving filtrate discharged from the filtrate outlet and an overflow receiver which receives overflow from the filtrate receiver, wherein the filtrate receiver is located on the upside of the filter chamber and the filtrate outlet is located above an intended liquid level of the filtrate receiver, and wherein the blood filter cartridge has a structure for returning the filtrate from the upper end of the filtrate receiver to the filtrate outlet.
Dependencies are inferred from the claim text.