US 9,039,974 B2Granted

Biological sample measuring device

AssigneePanasonic Healthcare Holdings Co., Ltd.

InventorsShouko Hironaka, Teppei Shinno, Eriko Yoshioka, Takashi Miki

Life of this patent

Estimating the term…

Loading patent…

Abstract

A biological sample measuring device including a mounting portion to which a biological sample measuring sensor is mounted, a voltage application section that applies voltage to a counter electrode of the biological sample measuring sensor mounted to the mounting portion, amplifiers that are selectively connected to a working electrode of the biological sample measuring sensor, and a determination section that is connected to these amplifiers. The determination section has a threshold determination section that determines a voltage value obtained by voltage conversion of the current value of the working electrode, a same determination section that selectively connects the amplifiers to the working electrode depending on the determination of the threshold determination section, and identifies the sample deposited on the biological sample measuring sensor from the output of the selected amplifier, and an output section that outputs a measurement value corresponding to the identified sample.

Claims6

Dependent claims

A biological sample measuring device, comprising:

a mounting portion to which is mounted a biological sample measuring sensor, said biological sample measuring sensor having an electrode section including at least a working electrode and a counter electrode, and a reagent provided on the electrode section, wherein a biological sample is deposited on the biological sample measuring sensor and reacts with the reagent;
a voltage application section that applies voltage to the electrode section of the biological sample measuring sensor mounted to the mounting portion;
a current-voltage converter connected to the working electrode of the biological sample measuring sensor;
a first amplifier connected to the current-voltage converter, the first amplifier being configured to amplify a signal outputted from the working electrode, and amplify the signal at a first amplitude;
a second amplifier connected to the current-voltage converter, the second amplifier being configured to amplify a signal outputted from the working electrode, and amplify the signal at a second amplitude that is greater than the first amplitude;
and
a controller that compares the value of an output result outputted from either the first amplifier or the second amplifier with a preset threshold, and selectively uses either the first amplifier or the second amplifier.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/993,171Filed 16 Jan 2012
Priority: JP 2011-0207282 Feb 2011
Published: US 2013/0266482 A110 Oct 2013
Granted: 26 May 2015
Term ends: Not estimatedThe source records don’t support an estimate.

Classification4 codes

G01N 33/66
Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing:…
G01N 27/3271
Biochemical electrodes , e.g. electrical or mechanical details for in vitro measurements: amperometric enzyme electrodes for analytes in body…
G01N 27/3273
Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood: devices therefor, e.g. test element readers, circuitry
G01N
Investigating or analysing materials by determining their chemical or physical properties

Family

US 2013/0266482 A1Pre-grant publication · published 10 Oct 2013
US 9,039,974 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key