Blood sampling device with blood-viewing chamber

Details Blood sampling device with blood-viewing chamber Blood sampling device with blood-viewing chamber

A - Human Necessities

61

M

A61M 5/178 (2006.01) A61B 5/15 (2006.01)

Patent

CA 2049052

12 PCT/EP90/02243 ABSTRACT A blood sampling device comprises a pointed cannula (3, 23) at each end, a pre-evacuated sample container (1,21) with a self-sealing stopper (2, 22) which can be perforated, a self-sealing membrane (8, 28) which can be perforated and a blood-viewing chamber (7, 27) the walls of which are surrounded by transparent material arranged in front of the stopper (2, 22) in the direction of perforation. The chamber (7, 27) is arranged on the stopper (2, 22) and is sealed off essenteally from the sample container (1, 21) by said stopper (2, 22) and from the patient by the membrane (8, 28).

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