Blood sensor and blood examining instrument including same

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/151 (2006.01) A61B 5/1473 (2006.01) A61B 5/15 (2006.01) A61B 5/157 (2006.01) G01N 27/28 (2006.01) G01N 27/416 (2006.01) G01N 33/66 (2006.01)

Patent

CA 2663974

A blood sensor (20a) comprises a substrate (21); a spacer (22) attached to the top of the substrate (21); a cover (23) attached to the top of the spacer (22); a blood reservoir portion (24) defined by a substrate hole (21a) formed in the substrate (21), a part of a spacer hole (22a) formed in the spacer (22) and connected to the substrate hole (21a), and a cover hole (23a) formed in the cover (23) and connected to the spacer hole (22a); a supply passage (25) defined by another part of the spacer hole (22a) and communicating with the blood reservoir portion (24); and detection electrodes formed in the supply passage (25). The cover (23) projects from the supply passage (25) toward the inside of the blood reservoir portion (24) farther than the substrate (21) and the spacer (22).

La présente invention concerne un capteur sanguin (20a) comprenant les éléments suivants : un substrat (21) ; un espaceur (22) fixé au sommet dudit substrat (21) ; un couvercle (23) attaché au sommet de l'espaceur (22) ; une partie de réservoir de sang (24) définie par un trou de substrat (21a) formé dans ledit substrat (21), une partie de trou d'espaceur (22a) formée dans l'espaceur (22) et raccordée au trou de substrat (21a), et un trou de couvercle (23a) formé dans le couvercle (23) et raccordé au trou d'espaceur (22a) ; un passage d'approvisionnement (25) défini par une autre partie du trou d'espaceur (22a) et en communication avec la partie de réservoir de sang (24) ; et des électrodes de détection formées dans le passage d'approvisionnement (25). Le couvercle (23) forme une saillie depuis le passage d'approvisionnement (25), en direction de l'intérieur de la partie de réservoir de sang (24), au-delà du substrat (21) et de l'espaceur (22).

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