EP0471986A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Quantitative analysis method and its system using a disposable sensor
Assignee: Arkray Inc
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Filing: 1991-07-19
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Granted: —
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Expires: 2011-07-19
Abstract
Abstract A sensor 13 is inserted into a connector 14. A constant voltage required to obtain a response current is applied across the connector 14 by a voltage applying source 15 at timings required. A response current of the sensor 13 inserted into the connector 14 is converted into a voltage by a current-to-voltage converter 16, and the amount thereof is determined by a microcomputer, the analysis results being displayed onto a display unit.
Inventors
- 👤 Shiro Nankai
- 👤 Mariko Kawaguri
- 👤 Toshihiko Yoshioka
- 👤 Haruhiro Tsutsumi
- 👤 Kyozo Terao
- 👤 Naoki Tanimoto
- 👤 Masahiro Yoshioka
- 👤 Hiroshi Hyodo
- 👤 Takatoshi Uchigaki
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 02:33
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/4875; G01N33/48771; G01N35/00; G01N35/00584; G01N35/00722; G01N2035/00891; G01N2035/009
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
82 words
In a quantitative analysis system for measuring a specific component in biological body fluid by an amperometric method using a disposable sensor, a quantitative analysis method comprising the step of: automatically distinguishing whether a chip mounted onto a sensor mounting portion of said system is a sensor for measuring a test sample, or an adjustment chip made up of a fixed resistor, or otherwise any other else, depending on value of current flowing through the system when said chip is mounted thereon.
Claim 2
Dependent Claim
76 words
A quantitative analysis system for measuring a specific component in biological body fluid by an amperometric method using a disposable sensor, comprising: means for automatically distinguishing whether a chip mounted onto a sensor mounting portion of said system is a sensor for measuring a test sample, or an adjustment chip made up of a fixed resistor, or otherwise any other else, depending on value of current flowing through the system when said chip is mounted thereon.
Claim 3
Dependent Claim
59 words
In a quantitative analysis system for measuring a specific component in biological body fluid by an amperometric method using a disposable sensor, a quantitative analysis method comprising the step of: automatically distinguishing whether a sensor mounted onto a sensor mounting portion of said system is a used one or not depending on stability of current value of said sensor.
Claim 4
Dependent Claim
28 words
A quantitative analysis method as claimed in claim 3, wherein said disposable sensor is provided with an electrode for detecting liquid junction, output of which electrode is used.
Claim 5
Dependent Claim
53 words
A quantitative analysis system for measuring a specific component in biological body fluid by an amperometric method using a disposable sensor, comprising: means for automatically distinguishing whether a sensor mounted onto a sensor mounting portion of said system is a used one or not depending on stability of current value of said sensor.
Claim 6
Dependent Claim
28 words
A quantitative analysis system as claimed in claim 5, wherein said disposable sensor is provided with an electrode for detecting liquid junction, output of which electrode is used.
Claim 7
Dependent Claim
83 words
A quantitative analysis system which comprises: means for applying a reaction voltage to a sensor; means for detecting that a sample liquid is supplied to said sensor; means for interrupting the reaction voltage on the basis of output of said detection means; means for reapplying said reaction voltage to said sensor after said interruption means has operated for a specified time period; means for detecting a reaction state of said sensor due to the reapplication thereof; and means for displaying the reaction state.
Claim 8
Dependent Claim
37 words
A quantitative analysis system as claimed in claim 7, the system further comprising means for detecting that said sensor has been mounted to the system, wherein said reaction voltage application means is driven by the detection thereof.
Claim 9
Dependent Claim
50 words
A quantitative analysis system as claimed in claim 7 or 8, wherein said reaction voltage application means is a current-to-voltage converter, and said reaction state detection means makes a decision with a CPU on the basis of output of said converter adapted to analog-to-digital convert output of said current-to-voltage converter.
References Cited (Backward Citations)
No citation records indexed.
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