Oblon, Fisher, Spivak, McClelland & Maier
Immobilized enzyme column
 An immobilized enzyme column useful for automatic chemical analyzers for analyzing substances contained in the blood serum, urine or the like with use of an enzyme for clinical tests includes at least one column main body (19, 34 or 44, 51 and 52). The column has a channel (31) extending from a sample inlet (24) to a sample outlet (27). An air bubble inlet (28) is disposed close to the sample outlet to communicate with the channel (31), and an air bubble outlet (25) is disposed close to the sample inlet to communicate with the channel. An immobilized enzyme accommodating portion (20 or 35) is provided in the channel between the bubble inlet (28) and the bubble outlet (25) and partitioned by a filter (29) at each end thereof. 
Fujisawa Pharmaceutical Co., Ltd.
C C C C G C
C12M C12M C12M C12Q G01N C12M
inventional inventional inventional inventional inventional inventional
Tohru Takao Masafumi
Mori Nakajima Terada