Patent application number | Description | Published |
20090152111 | Biosensor, thin film electrode forming method, quantification apparatus, and quantificaion method - A biosensor according to the present invention comprises a support | 06-18-2009 |
20090205976 | BIOSENSOR MEASUREMENT SYSTEM AND METHOD FOR DETECTING ABNORMAL WAVEFORM IN BIOSENSOR - A biosensor measurement system and a method for detecting abnormal measurement in a biosensor, which can significantly enhance the measurement precision without depending on the user's operation manner or the like, can be provided. A voltage application pattern for applying a voltage to a working electrode, a counter electrode, and a detection electrode has a halt period between a first application period and a second application period, and a reduction current measurement value obtained in the first application period is compared with a reduction current measurement value obtained in the second application period, and the measurement values are not outputted when a difference between the measurement values is outside a predetermined range. | 08-20-2009 |
20100000880 | BIOSENSOR MEASUREMENT SYSTEM AND MEASUREMENT METHOD - There is provided a biosensor measurement system which can output a highly-precise measurement result even when an impact such as falling of the sensor occurs or the biosensor is an exposed sensor. An abnormal waveform detection electrode is provided in addition to electrodes for quantitative determination of a target substance. Therefore, when an impact is caused by such as falling of the sensor in a halt period where no voltage is applied in a voltage application algorithm, the abnormal waveform detection electrode can detect the impact. Further, also an exposed sensor can be detected by the abnormal waveform which is detected by the abnormal waveform detection electrode. | 01-07-2010 |
20100006432 | Biosensor - In a biosensor for measuring a specific substance in a liquid sample, one or a combination of sugar alcohol, metallic salt, organic acid or organic acid salt which has at least one carboxyl group in a molecule, and organic acid or organic acid salt which has at least one carboxyl group and one amino group in a molecule, is included in a reagent layer provided on electrodes, thereby providing a highly-accurate biosensor which is excellent in stability and has high response (sensitivity, linearity) of the sensor to the substrate concentration. | 01-14-2010 |
20100078322 | BIOSENSOR - It is an object of the present invention to provide an excellent biosensor which can perform supply of a sample solution accurately and easily. A biosensor which has a capillary ( | 04-01-2010 |
20100243443 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method - A biosensor according to the present invention comprises a support | 09-30-2010 |
20100258438 | BIOSENSOR - In a biosensor that detects introduction of a sample liquid into a specimen supply path using a detecting electrode, a means of improving accuracy of detection is provided. The biosensor has: an electrode system including measuring electrode, counter electrode, and detecting electrode on first electrically insulating support; specimen supply path for introducing the sample liquid; and reagent layer used for quantifying a substrate contained in the sample liquid. The means is characterized in that detecting electrode is spaced from measuring electrode by a distance sufficient for the sample liquid to sufficiently cover measuring electrode before the sample liquid reaches detecting electrode. | 10-14-2010 |
20100327886 | MEASUREMENT DEVICE, MEASUREMENT SYSTEM, AND CONCENTRATION MEASUREMENT METHOD - A first measurement device is a measurement device for measuring the concentration of a target substance in a sample deposited on a biosensor, and more particularly is constituted such that at least two kinds of voltage of mutually different levels are applied at mutually different timings to the electrode system of the biosensor, and the concentration is corrected on the basis of the amount of change in the current value. | 12-30-2010 |
20110036713 | BIOSENSOR - A biosensor can supply a sample solution accurately and easily, and includes a capillary for collecting a sample solution and analyzes a specific substance in the sample solution, an air hole, and at least two supply ports, i.e., a sample supply port and an auxiliary sample supply port, so that supply of the sample solution can be performed from either of the supply ports. Even when the sample supply port is closed up with a fingertip or the like and supply of the sample solution is stopped, the sample solution can be quickly supplied from the other auxiliary sample supply port. | 02-17-2011 |
20110117269 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method - A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition. | 05-19-2011 |
20110147234 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method - A biosensor according to the present invention comprises a support | 06-23-2011 |
20110174613 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method - A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition. | 07-21-2011 |
20110180404 | Biosensor - In a biosensor for measuring a specific substance in a liquid sample, one or a combination of sugar alcohol, metallic salt, organic acid or organic acid salt which has at least one carboxyl group in a molecule, and organic acid or organic acid salt which has at least one carboxyl group and one amino group in a molecule, is included in a reagent layer provided on electrodes, thereby providing a highly-accurate biosensor which is excellent in stability and has high response (sensitivity, linearity) of the sensor to the substrate concentration. | 07-28-2011 |
20110272296 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method - A biosensor according to the present invention comprises a support | 11-10-2011 |
20110278167 | Biosensor, thin film electrode forming method, quantification apparatus, and quantification method - A biosensor according to the present invention comprises a support | 11-17-2011 |
20120251708 | BIOSENSOR, THIN FILM ELECTRODE FORMING METHOD, QUANTIFICATION APPARATUS, AND QUANTIFICATION METHOD - A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition. | 10-04-2012 |
20130168276 | BODY FOR STORING BIOSENSORS AND MEASUREMENT DEVICE USING THE BIOSENSORS - The purpose of the present invention is to facilitate the extraction of plate-shaped biosensors stored in a container body. More specifically, a body for storing biosensors is provided, the body including: a tube-shaped storage container body having an open upper face; a lid body for covering the upper face opening of the storage container body so that the lid can open and close the upper face opening; and plate-shaped biosensors stored within the tube-shaped container body. The biosensors are each provided with a measurement section disposed at one end thereof; a connection terminal section disposed at the other end thereof; and a connection section disposed between the one end and the other end and electrically connecting the measurement section and the connection terminal section. The biosensors each have a protrusion disposed at an end thereof in the longitudinal direction thereof. | 07-04-2013 |
20130204108 | VITAL INFORMATION MEASUREMENT DEVICE AND VITAL INFORMATION MEASUREMENT METHOD EMPLOYING SAME - An objective of the present invention is to provide a vital information measurement device which measures vital information using a biosensor, with which it is possible to adjudicate more precisely whether a mounted biosensor is usable, and to alleviate inconsistency in measured values therefrom. Specifically, the present invention provides a vital information measurement device comprising: an input terminal to which a biosensor is connected; a voltage application unit which applies a voltage to the input terminal; an adjudication unit which is connected to the input terminal; a control unit which is connected to the adjudication unit; and a display unit which is connected to the control unit. The control unit causes the adjudication unit to carry out a first adjudication, a second adjudication, and a third adjudication. | 08-08-2013 |
20130306494 | BIOSENSOR, THIN FILM ELECTRODE FORMING METHOD, QUANTIFICATION APPARATUS, AND QUANTIFICATION METHOD - A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition. | 11-21-2013 |
20130309413 | BIOSENSOR, THIN FILM ELECTRODE FORMING METHOD, QUANTIFICATION APPARATUS, AND QUANTIFICATION METHOD - A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition. | 11-21-2013 |
20130337571 | BIOLOGICAL SAMPLE MEASURING DEVICE AND METHOD FOR MEASURING BIOLOGICAL SAMPLE USING SAME - With this biological sample measuring device, the determination section performs measurement at specific intervals in a first measurement period from the start of measurement until a first time, and performs measurement at specific intervals in a second measurement period that comes after the first measurement period, calculates the difference between the measurement values in corresponding specific periods, and finds a plurality of first difference determination values, on the basis of a plurality of current values measured in the first measurement period and a plurality of current values measured in the second measurement period, finds a second difference determination value by finding the difference at specific intervals in the plurality of first difference determination values, and determines whether or not a reagent movement error and/or exposure error of the biological sample measurement sensor has occurred, on the basis of the first and second difference determination values. | 12-19-2013 |
20140144791 | BIOSENSOR, MEASURING INSTRUMENT FOR BIOSENSOR, AND METHOD OF QUANTIFYING SUBSTRATE - A method of measuring a quantity of a substrate contained in sample liquid is provided. This method can reduce measurement errors caused by a biosensor. The biosensor includes at least a pair of electrodes on an insulating board and is inserted into a measuring device which includes a supporting section for supporting detachably the biosensor, plural connecting terminals to be coupled to the respective electrodes, and a driving power supply which applies a voltages to the respective electrodes via the connecting terminals. One of the electrodes of the biosensor is connected to the first and second connecting terminals of the measuring device only when the biosensor is inserted into the measuring device in a given direction and has a structure such that the electrode becomes conductive between the first and second connecting terminals due to a voltage application by the driving power supply. | 05-29-2014 |
20140158534 | BIOSENSOR, THIN FILM ELECTRODE FORMING METHOD, QUANTIFICATION APPARATUS, AND QUANTIFICATION METHOD - A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition. | 06-12-2014 |
20140308459 | BIOSENSOR, THIN FILM ELECTRODE FORMING METHOD, QUANTIFICATION APPARATUS, AND QUANTIFICATION METHOD - A biosensor is disclosed comprising a support; a conductive layer composed of an electrical conductive material such as a noble metal, for example gold or palladium, and carbon; slits parallel to and perpendicular to the side of the support; working, counter, and detecting electrodes; a spacer which covers the working, counter, and detecting electrodes on the support; a rectangular cutout in the spacer forming a specimen supply path; an inlet to the specimen supply path; a reagent layer formed by applying a reagent containing an enzyme to the working, counter, and detecting electrodes, which are exposed through the cutout in the spacer; and a cover over the spacer. The biosensor can be formed by a simple method, and provides a uniform reagent layer on the electrodes regardless of the reagent composition. | 10-16-2014 |
20140360900 | PACKAGE-TYPE CARRIER AND METHOD FOR UNWRAPPING SAME - A package-type carrier, wherein a packaged object that is a biosensor can be easily taken out of the package-type carrier and attached to a measuring device without touching the packaged object. A package-type carrier has an unsealed portion outside a sealed portion and near a connection electrode of a biosensor, and has, at the end of or near the unsealed portion, a leading end processed portion such that a space is provided in a portion between an upper cover and a lower cover of the package-type carrier. | 12-11-2014 |