Patent application number | Description | Published |
20090043227 | BLOOD SENSOR AND BLOOD TEST APPARATUS HAVING THE SAME - A blood sensor to be used in a blood test apparatus, more specifically speaking, a blood sensor which can be easily attached to a blood test apparatus and detached therefrom. Namely, a blood sensor to be detachably attached to a blood test apparatus having a plural number of connectors, which comprises: a supply channel to which blood is supplied; a detection section provided in the supply channel; an electrode system formed in an area including the detection section; a plural number of connection terminals electrically connected to each electrode of the electrode system respectively; and a standard electrode serving as a standard for differentiating these connection terminals. The connectors are connected respectively to the connection terminals and the standard electrode of the blood sensor having been attached to a definite position of the blood test apparatus. | 02-12-2009 |
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 |
20090177117 | BLOOD TEST METHOD AND BLOOD TEST APPARATUS - It is intended to provide a blood test apparatus whereby the vicinity of a site to be punctured for collecting the blood can be negatively pressurized and the negative pressurization can be conducted at an appropriate time without resorting to a special operation, thereby facilitating a blood test. More specifically speaking, a blood test apparatus which comprises: a housing having an opening: a puncture means located in the opening; a first sensing means whereby the contact of the front face of the opening with a site to be punctured is detected; a negative pressurization means whereby the inside of the opening is negatively pressurized; a blood sensor whereby the blood, that flows out from the punctured site having been punctured by the puncture means after negatively pressurizing the inside of the opening by the negative pressurization means, is collected; and a measurement circuit whereby a signal obtained from the blood sensor analyzing components in the blood is measured, wherein the negative pressurization means starts up when the first sensing means detects the contact of the front face of the opening with the site to be punctured. | 07-09-2009 |
20090281455 | BLOOD TEST APPARATUS - A blood test apparatus wherein a blood collection needle and a blood sensor can be easily attached and detached so that a burden or pain of a patient can be relieved. More specifically speaking, a blood test apparatus wherein a holder, a lancet, a blood collection needle and a blood sensor are united together as a blood sampling cartridge that is detachably mounted to the apparatus body. When this blood sampling cartridge is attached, a plunger involved in the apparatus body holds the lancet and connectors involved in the apparatus body come into contact with the blood sensor. It is preferable that the contact points with the blood sensor of the individual connectors are located at intervals at the same angle centering on a definite point. | 11-12-2009 |
20090318790 | BLOOD SENSOR AND BLOOD EXAMINING INSTRUMENT INCLUDING SAME - A blood sensor ( | 12-24-2009 |
20090318834 | BLOOD TEST DEVICE - A blood test device using a laser as a puncture means. More specifically, it is intended to provide a blood test device using a laser as a puncture means by which the skin can be fixed at a definite position by raising up the punctured skin under negative pressure and thus bringing it into close contact with a blood sensor and in which the laser is focused into the vicinity of the blood sensor face. Thus, it is possible to provide a blood test device of the laser puncture type whereby the skin can be surely punctured while giving little pain to a patient. | 12-24-2009 |
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 |
20100168534 | BLOOD INSPECTION DEVICE - A blood inspection device using laser as puncture means. The blood inspection device has an electric power source control circuit for controlling electric power supply of an electric power source section including an electric power source for driving an electric circuit for measurement and also including an electric power source for driving a laser emission device. When a battery is used as the electric power source, the circuit measures the remaining level and voltage of the battery to control the power source so that electric power shortage does not disenable measurement. | 07-01-2010 |
20100168615 | BLOOD TEST DEVICE - A blood test device by which the amount of plumped skin at a puncture site for conducting a blood test or collecting the blood can be controlled at a constant amount so that a blood component can be accurately measured. Namely, a blood test device comprising: a housing; an inner tube provided in one side of the housing; a reciprocating unit which reciprocates within the inner tube; a blood collection needle connected to the reciprocating unit; a blood sensor facing to the blood collection needle and being located at the tip of the inner tube; a measurement circuit to which a signal is fed from the blood sensor; and a negative pressure unit driven by the measurement circuit; which further has an outer tube that is a tube covering the inner tube, having an opening in the tip side of the inner tube, being capable of relatively moving to the inner tube, and being provided so as to return to a definite relative position. The negative pressure unit as described above can apply a negative pressure to the inside of the outer tube. | 07-01-2010 |
20100191148 | BLOOD ANALYSIS DEVICE AND BLOOD ANALYSIS SYSTEM USING THE SAME - A blood analysis device wherein a part carrying blood attached thereto can be localized to thereby facilitate handling after using and, in the case of incorporating blood collected from the punctured skin, the blood is held in a skin-puncturing device or the like so that an uncontaminated holding area can be enlarged and the degree of freedom in handling can be elevated. A blood analysis device (A) which comprises a plate type device body ( | 07-29-2010 |
20100222703 | BLOOD TEST DEVICE - A blood test device ( | 09-02-2010 |
20100234768 | BLOOD TEST APPARATUS - It is intended to provide a means of easily removing a portion of blood bleeding from pierced skin, which has not been taken into a blood sensor but remained on the skin, in a blood test with the use of a blood test apparatus. By using this means, it becomes unnecessary in the blood test to separately prepare a paper sheet, etc. for wiping off. More specifically speaking, a blood test apparatus wherein a blood sensor is provided within a blood sensor unit detachable to the blood test apparatus body and the blood sensor unit has a part to be in contact with the skin in the test and an absorption means. It is favorable that the part to be in contact with the skin in the test serves as the absorption means. | 09-16-2010 |
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 |
20100243476 | METHOD FOR MEASURING HEMATOCRIT VALUE OF BLOOD SAMPLE, METHOD FOR MEASURING CONCENTRATION OF ANALYTE IN BLOOD SAMPLE, SENSOR CHIP AND SENSOR UNIT - Voltage is applied across a counter electrode and a working electrode, with which a blood sample is in contact, in such a state that an oxidant in a redox substance is not substantially in contact with a working electrode but is in contact with a counter electrode and a reductant is not substantially in contact with the counter electrode but is in contact with the working electrode, whereby the reductant and the oxidant are respectively oxidized and reduced to measure current produced upon the oxidation and reduction. According to the above constitution, while lowering the voltage applied across the working electrode and the counter electrode, the Hct value of the blood sample can be measured stably with a satisfactory detection sensitivity. This measurement can be carried out with a sensor chip comprising a working electrode ( | 09-30-2010 |
20100262039 | BLOOD TEST APPARATUS AND METHOD OF CONTROLLING THE SAME - A blood test apparatus having a simple constitution whereby stable measurement can be conducted by surely sampling the blood in an amount being small but sufficient for the test without placing too much burden on a patient. | 10-14-2010 |
20100270177 | METHOD OF MEASURING BLOOD COMPONENT, SENSOR USED IN THE METHOD, AND MEASURING DEVICE - The present invention provides a method of measuring a component in blood, by which an amount of the component can be corrected accurately by measuring a hematocrit (Hct) value of the blood with high accuracy and high reliability and also provides a sensor used in the method. The sensor for measuring a component in blood has a first analysis portion and a second analysis portion. The first analysis portion has a first electrode system ( | 10-28-2010 |
20100276303 | METHOD FOR MEASURING HEMATOCRIT VALUE OF BLOOD SAMPLE, METHOD FOR MEASURING CONCENTRATION OF ANALYTE IN BLOOD SAMPLE, SENSOR CHIP AND SENSOR UNIT - A voltage is applied across a counter electrode and a working electrode while an oxidant of a redox substance is in contact with the counter electrode and is not substantially in contact with the working electrode, and thereby metal that readily undergoes electrolytic oxidation forming at least part of a surface of the working electrode is oxidized while the oxidant in contact with the working electrode is reduced, such that a current produced upon the oxidation and the reduction is measured. According to the above constitution, while lowering the voltage applied across the working electrode and the counter electrode, a hematocrit value of a blood sample can be measured stably with satisfactory detection sensitivity. This measurement can be carried out, for example, with a sensor chip comprising a working electrode | 11-04-2010 |
20100286562 | SENSOR FOR BLOOD COMPONENT ANALYSIS - A sensor for blood component analysis, which allows even a trace amount of blood to be led to an analysis portion reliably. The sensor for blood component analysis includes a substrate, a spacer, and a cover. The cover is disposed on the substrate with the spacer intervening between the cover and the substrate, whereby a space that serves as an analysis portion and a channel for leading blood to the analysis portion is formed inside the sensor. Through holes are formed in the substrate and the spacer, respectively, so that a common through hole through which a needle of a lancet can pass is formed when the spacer is disposed on the substrate. The through hole of the spacer communicates with the channel and a top of the through hole of the spacer is covered with the cover, whereby a lancing portion is formed by the common through hole and a portion of the cover covering the top of the through hole of the spacer. In use, the sensor is placed at a position where blood collection is to be performed, the portion of the cover covering the lancing portion is broken through with the needle of the lancet so that the needle is allowed to pass through the common through hole to puncture the position, and blood that has come out is guided by a downwardly protruding burr formed when the cover is broken through so that the blood is led to the channel and flows through the channel to be led to the analysis portion. | 11-11-2010 |
20100324395 | BLOOD SENSOR, BLOOD TESTING DEVICE AND BLOOD ANALYSIS METHOD - Provided are a blood sensor that is highly reliable and does not contaminate the interior of the main body of the device, a blood testing device and a blood analysis method. The blood sensor ( | 12-23-2010 |
20110027816 | BIOSENSOR SYSTEM, SENSOR CHIP, AND METHOD OF MEASURING ANALYTE CONCENTRATION IN BLOOD SAMPLE - The present invention provides a biosensor system that can prevent a measurement error caused by the temperature of the environment in use from occurring. A biosensor system | 02-03-2011 |
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 |
20110160614 | BLOOD TEST APPARATUS - A blood sampling cartridge is attachable to and removable from an attaching part of a blood test apparatus that includes a housing. The attaching part is provided in one side of the housing. The blood sampling cartridge includes a holder, a blood sensor that is attachable to one end of the holder, a lancet that is movable inside the holder, a blood collection needle attached to one end of the lancet, and a guide provided on the lancet. The guide of the lancet is configured to latch with the holder after puncturing with the blood collection needle, such that the blood collection needle is prevented from projecting beyond the blood sensor. | 06-30-2011 |
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 |
20110198223 | METHOD FOR MEASURING BLOOD COMPONENTS AND BIOSENSOR AND MEASURING INSTRUMENT FOR USE THEREIN - The present invention provides a method of measuring a component in blood, by which the amounts of blood cells and an interfering substance can be measured with high accuracy and high reliability and the amount of the component can be corrected accurately based on the amounts of the blood cells and the interfering substance. In a sensor for measuring a blood component, a first working electrode | 08-18-2011 |
20110230787 | BLOOD TEST DEVICE AND TEST METHOD - A blood test device whereby a used sensor can be discarded without staining the holding part after the completion of blood measurement. In this device, a blood sensor ( | 09-22-2011 |
20110237978 | BLOOD TEST APPARATUS AND METHOD OF CONTROLLING THE SAME - A blood test apparatus having a simple constitution whereby stable measurement can be conducted by surely sampling the blood in an amount being small but sufficient for the test without placing too much burden on a patient. When a first skin contact sensor of this apparatus detects the skin, driving of a negative pressure unit is initiated. Thus, the skin rises and comes into contact with a second skin contact sensor. After piercing into the skin, the negative pressure supply is once ceased. Next, the negative pressure is applied again for a definite period of time. Thus, the opening in the skin is broadened, which facilitates the flow out of the blood. | 09-29-2011 |
20110245635 | PRESSURE REDUCTION MECHANISM, PUNCTURE DEVICE, BLOOD ANALYSIS DEVICE, AND SENSOR MOUNTING MECHANISM - Provided are a decompression mechanism capable of performing a desired pressure reduction by simple operation and having improved operability, a puncture device, a blood analysis device, and a sensor mounting mechanism. A needle puncturing device ( | 10-06-2011 |
20110257498 | BLOOD TEST APPARATUS AND BLOOD TEST METHOD - A blood test apparatus has a housing with an opening, and a plunger that moves back and forth inside the housing, the plunger having a projecting member. A fixing member fixes the plunger, which is provided in the housing. A blood sampling cartridge, in which a blood sensor, a puncturer, and a holder that holds the blood sensor and the puncturer, are integrated. The blood sampling cartridge is removably attached to the opening. The puncturer includes a lancet, one end of which is held by the plunger, and a blood collection needle attached to an other end of the lancet. A measuring circuit measures a signal obtained from the blood sensor to analyze components in the blood. | 10-20-2011 |
20110272294 | METHOD FOR MEASURING TEMPERATURE OF BIOLOGICAL SAMPLE, METHOD FOR MEASURING CONCENTRATION OF BIOLOGICAL SAMPLE, SENSOR CHIP AND BIOSENSOR SYSTEM - A sensor chip ( | 11-10-2011 |
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 |
20120010486 | SENSOR CHIP, AND MEASUREMENT DEVICE AND BLOOD TEST DEVICE IN WHICH THIS SENSOR CHIP IS USED - This sensor chip ( | 01-12-2012 |
20120010530 | BLOOD TEST APPARATUS HAVING BLOOD SENSOR - A blood test apparatus has a housing, a blood sensor, and a plurality of connectors. The blood sensor has a plurality of connection terminals that are electrically connected with each electrode of the electrode system; and a reference terminal that serves as a reference. The plurality of connectors are configured to connect to the plurality of connection terminals and the reference terminal of the blood sensor attached at a predetermined position in the blood test apparatus, respectively. And also, relations between the reference terminal and each of the plurality of connection terminals are measured to identify the reference terminal automatically. | 01-12-2012 |
20120022352 | BLOOD SENSOR, BLOOD TESTING APPARATUS, AND METHOD FOR CONTROLLING BLOOD TESTING APPARATUS - A blood sensor includes a base ( | 01-26-2012 |
20120037506 | METHOD OF MEASURING HEMATOCRIT (Hct), SENSOR USED IN THE METHOD, AND MEASURING DEVICE - The present invention provides a method of electrochemically measuring a hematocrit (Hct) value using a sensor, capable of achieving excellent measurement accuracy and reliability and also provides a sensor used in the method. The method of electrochemically measuring a hematocrit (Hct) value of blood include: providing an electrode system having a working electrode ( | 02-16-2012 |
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 |
20130035573 | BIOSENSOR, CARTRIDGE STORING BIOSENSOR, MEASUREMENT DEVICE USING BIOSENSOR - There are provided a biosensor, and a measurement device in which the biosensor is used, with which accurate puncture is enabled and reliability of measurement results are improved. The biosensor ( | 02-07-2013 |
20130220838 | SENSOR CHIP, AND MEASUREMENT DEVICE AND BLOOD TEST DEVICE IN WHICH THIS SENSOR CHIP IS USED - This sensor chip ( | 08-29-2013 |
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 |
20130317323 | DECOMPRESSION MECHANISM, PUNCTURING APPARATUS, AND BLOOD ANALYSIS APPARATUS - Provided are a decompression mechanism capable of performing a desired pressure reduction by simple operation and having improved operability, a puncture device, a blood analysis device, and a sensor mounting mechanism. A needle puncturing device includes: a piston having at one end thereof an end part for forming a part of a sensor mounting mechanism and at the other end an end part for slidably supporting a rod of a lancet section; a cylinder for slidably containing therein the end section of the piston; and packing mounted to the inner periphery of the end part of the piston and maintaining the air-tightness of the outer periphery of the rod. When the piston is moved in the direction toward the cylinder with a skin contact part in contact with the skin, the volumes of an internal space and a pressure reduction chamber are increased to produce a reduced pressure. | 11-28-2013 |
20140116879 | METHOD FOR MEASURING HEMATOCRIT VALUE OF BLOOD SAMPLE, METHOD FOR MEASURING CONCENTRATION OF ANALYTE IN BLOOD SAMPLE, SENSOR CHIP AND SENSOR UNIT - Provided is a sensor chip for electrochemically measuring a concentration of an analyte in a blood sample. In one embodiment of the sensor, the sensor chip includes a substrate, and a preliminary measurement analyzer and a hematocrit value analyzer disposed on the substrate. The preliminary measurement analyzer includes a preliminary working electrode and a preliminary counter electrode. The hematocrit value analyzer includes a working electrode and a counter electrode. An oxidant of a redox substance is disposed on the preliminary measurement analyzer and the counter electrode. A reductant of a redox substance is disposed on the working electrode. | 05-01-2014 |
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 |
20140158552 | METHOD FOR MEASURING BLOOD COMPONENTS AND BIOSENSOR AND MEASURING INSTRUMENT FOR USE THEREIN - The present invention provides a method of measuring a component in blood, by which the amounts of blood cells and an interfering substance can be measured with high accuracy and high reliability and the amount of the component can be corrected accurately based on the amounts of the blood cells and the interfering substance. In a sensor for measuring a blood component, a first working electrode | 06-12-2014 |
20140158553 | METHOD OF MEASURING BLOOD COMPONENT, SENSOR USED IN THE METHOD, AND MEASURING DEVICE - The present invention provides a method of measuring a component in blood, by which an amount of the component can be corrected accurately by measuring a hematocrit (Hct) value of the blood with high accuracy and high reliability and also provides a sensor used in the method. The method of measuring a component in blood using a biosensor comprising a first electrode system including a first working electrode on which at least an oxidoreductase that acts upon the component and a mediator are provided and a first counter electrode and a second working electrode on which the mediator is not provided. The first working electrode and the first counter electrode are used for obtaining the amount of the component and the second working electrode and the first working electrode are used for obtaining the amount of the blood cells. | 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 |