Electronically readable information carrier

Details Electronically readable information carrier Electronically readable information carrier

G - Physics

01

N

73/0.5

G01N 21/84 (2006.01) G01N 35/00 (2006.01) G06K 7/00 (2006.01) H01R 13/66 (2006.01) H01R 33/76 (2006.01)

Patent

CA 2010400

An instrument (20) determines the concentration of a medically significant component (e.g., glucose) of a biological fluid (e.g., blood) by reading an optical characteristic (remission) of a product of a reaction of the medically significant component (glucose) with a test chemistry. An information carrier (36) contains information relating to the test chemistry to calibrate the instrument (20) to determine the concentration of the medically significant component (glucose) more accurately. The instrument includes a socket (30) for removably receiving the information carrier (36) and through which electrical contact is made to the information carrier (36) to provide the calibration information to the instrument (20) when the information carrier (36) is inserted into its use orientation (Fig. 1) in the socket (30). The socket (30) includes an opening (32, 34) for slidably longitudinally receiving the information carrier (36) and a first set of electrical contacts (56). The information carrier includes a second set of electrical contacts (110, 112, 114, 116, 118, 120, 122, 124) for electrical contact by respective contacts of the first set (56). The relative orientations (44, 46, 50, 80, 110, 82, 112, 84, 114, 86, 116, 88, 118, 90, 120, 92, 122, 94, 124) of the contacts of the first (56) and second (110, 112, 114, 116, 118, 120, 122, 124) sets are such as to reduce the likelihood of accidental contact between electrical contacts (56) of the first set and electrical contacts (110, 112, 114, 116, 118, 120, 122, 124) of the second set with which the electrical contacts (56) of the first set are not intended to be in contact when the information carrier (36) is inserted into its use orientation (Fig. 1) in the socket (30).

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