Patent ID: 6083460
Filing Date: 2000-07-04
Classification: B01L

Abstract:
A liquid specimen collection device mountable on a reading unit which measures a characteristic of a liquid specimen, comprising:a body member including a recessed portion at one end for receiving the reading unit and a specimen introduction portion at the opposite end for placement adjacent a liquid specimen, the body member being provided with a hole defining a capillary tube specimen flow path that is open at oppositely located first and second ends, the first end of the hole opening to the specimen introduction portion and the second end of the hole opening into the recessed portion, the body member including a body surface that surrounds and extends outwardly from the second end of the hole; anda test paper carrying a chromatic reagent and having oppositely located first and second surfaces, the test paper being mounted within the recessed portion of the body member with the first surface of the test paper facing the body surface so that a liquid specimen introduced into the hole at the first end flows by capillary action through the capillary tube liquid specimen flow path towards the second end of the hole and contacts the test paper, the test paper possessing a flat shape lying in a plane, the test paper including an axially extending annular protuberance extending around an outer circumferential portion of the test paper, said annular protuberance extending out of the plane of the test paper in a direction towards the body surface of the body member.