Cassette and measuring apparatus
First Claim
Patent Images
1. A measuring apparatus for filtering a sample, comprising:
- a cassette having a filter for filtering out a measurement interfering component from said sample, a container containing said filter, a cleaning liquid or cleaning agent for cleaning a sample flow channel, and a storage tank for storing said cleaning liquid or cleaning agent;
a cassette holder for detachably holding said cassette;
a measuring container for holding said sample from which said measurement interfering component has been filtered out by said filter; and
an optical measuring section for optically measuring an optically active substance contained in said sample in said measuring container,wherein said container has a first inlet port through which said sample is introduced from outside said cassette, and a first outlet port through which said sample passed through said filter exits,wherein said cassette further includesa discharge drain having a second inlet port through which said sample passed through said filter is introduced, and a second outlet port through which said sample introduced through said second inlet port is discharged outside said cassette, anda transferring member for transferring said sample exiting from said first outlet port of said container onto said second inlet port of said discharge drain,wherein said storage tank has a third outlet port through which said cleaning liquid or cleaning agent is fed out of said cassette, andwherein said first inlet port, said second outlet port, and said third outlet port are all provided on an underside of said cassette.
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Abstract
An object of the invention is to provide a cassette and a measuring apparatus that can filter a sample for the optical measurement of an optically active substance and clean a sample flow channel by using a simple configuration. More specifically, the invention is directed to a cassette which includes a filter for filtering out a measurement interfering component from a sample, a container containing the filter, a cleaning liquid or cleaning agent for cleaning a sample flow channel, and a storage tank for storing the cleaning liquid or cleaning agent, and to a measuring apparatus having such a cassette.
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Citations
10 Claims
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1. A measuring apparatus for filtering a sample, comprising:
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a cassette having a filter for filtering out a measurement interfering component from said sample, a container containing said filter, a cleaning liquid or cleaning agent for cleaning a sample flow channel, and a storage tank for storing said cleaning liquid or cleaning agent; a cassette holder for detachably holding said cassette; a measuring container for holding said sample from which said measurement interfering component has been filtered out by said filter; and an optical measuring section for optically measuring an optically active substance contained in said sample in said measuring container, wherein said container has a first inlet port through which said sample is introduced from outside said cassette, and a first outlet port through which said sample passed through said filter exits, wherein said cassette further includes a discharge drain having a second inlet port through which said sample passed through said filter is introduced, and a second outlet port through which said sample introduced through said second inlet port is discharged outside said cassette, and a transferring member for transferring said sample exiting from said first outlet port of said container onto said second inlet port of said discharge drain, wherein said storage tank has a third outlet port through which said cleaning liquid or cleaning agent is fed out of said cassette, and wherein said first inlet port, said second outlet port, and said third outlet port are all provided on an underside of said cassette. - View Dependent Claims (2, 3)
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4. A measuring apparatus for filtering a sample, comprising:
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a cassette having a filter for filtering out a measurement interfering component from said sample, a container containing said filter, a cleaning liquid or cleaning agent for cleaning a sample flow channel, and a storage tank for storing said cleaning liquid or cleaning agent; a cassette holder for detachably holding said cassette; a measuring container for holding said sample from which said measurement interfering component has been filtered out by said filter; and an optical measuring section for optically measuring an optically active substance contained in said sample in said measuring container, wherein said container has a first inlet port through which said sample is introduced from outside said cassette, and a first outlet port through which said sample passed through said filter exits, wherein said cassette further includes a discharge drain having a second inlet port through which said sample passed through said filter is introduced, and a second outlet port through which said sample introduced through said second inlet port is discharged outside said cassette, and a transferring member for transferring said sample exiting from said first outlet port of said container onto said second inlet port of said discharge drain, wherein said storage tank has a third outlet port through which said cleaning liquid or cleaning agent is fed out of said cassette, and wherein said cassette has a plurality of pairs of said filter and said discharge drain. - View Dependent Claims (5)
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6. A measuring apparatus for filtering a sample, comprising:
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a cassette having a filter for filtering out a measurement interfering component from said sample, a container containing said filter, a cleaning liquid or cleaning agent for cleaning a sample flow channel, and a storage tank for storing said cleaning liquid or cleaning agent; a cassette holder for detachably holding said cassette; a measuring container for holding said sample from which said measurement interfering component has been filtered out by said filter; and an optical measuring section for optically measuring an optically active substance contained in said sample in said measuring container, wherein said container has a first inlet port through which said sample is introduced from outside said cassette, and a first outlet port through which said sample passed through said filter exits, wherein said cassette further includes a discharge drain having a second inlet port through which said sample passed through said filter is introduced, and a second outlet port through which said sample introduced through said second inlet port is discharged outside said cassette, and a transferring member for transferring said sample exiting from said first outlet port of said container onto said second inlet port of said discharge drain, wherein said storage tank has a third outlet port through which said cleaning liquid or cleaning agent is fed out of said cassette, and wherein said cassette holder has a sample inlet tube for introducing said sample into said first inlet port, a sample outlet tube for discharging said sample from said second outlet port, and a cleaning liquid outlet tube for feeding said cleaning liquid from said third outlet port. - View Dependent Claims (7, 8, 9)
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10. A measuring apparatus for filtering a sample, comprising:
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a cassette having a plurality of filters for filtering out a measurement interfering component from said sample, a container containing said plurality of filters, a cleaning liquid or cleaning agent for cleaning a sample flow channel, and a storage tank for storing said cleaning liquid or cleaning agent; a cassette holder for detachably holding said cassette; a measuring container for holding said sample from which said measurement interfering component has been filtered out by one of said plurality of filters; an optical measuring section for optically measuring an optically active substance contained in said sample in said measuring container; and a controller for selecting one of said plurality of filters so as to filter out said measurement interfering component from said sample.
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Specification