I-SENS, INC. Patent applications |
Patent application number | Title | Published |
20150083613 | Electrochemical Biosensor with Improved Accuracy - The present invention relates to an electrochemical biosensor with improved hematocrit measurement accuracy for measuring blood glucose. According to the present invention, an electrochemical biosensor including a first electrode part for correcting a measured hematocrit value and a second electrode part for measuring a glucose concentration is effective in improving accuracy of a measured hematocrit value and in more improving accuracy of a measured blood glucose concentration using the measured hematocrit values for correction, because an insulation cover is made thinner than a working electrode and an auxiliary electrode, so that areas of a first working electrode and a first auxiliary electrode of the first electrode part exposed to a blood sample become equal; a distance between the first working electrode and the second working electrode becomes constant; and electrode areas are maintained constantly by the insulation cover even when a positioning error occurs during printing. | 03-26-2015 |
20150044764 | BIOCHEMICAL ASSAY CARTRIDGE - The present invention relates to a biochemical assay cartridge. More particularly, the present invention provides a biochemical assay cartridge including an insertion-type solution cartridge and a reaction cartridge receiving the insertion-type solution cartridge, in which the solution cartridge is inserted into the reaction cartridge to catch a protruding protection film inducement unit by a latch in the reaction cartridge and thus break the protection film inducement unit and a protection film for sealing a reaction solution storage unit attached to the solution cartridge is automatically detached to discharge the reaction solution from the solution cartridge to the reaction cartridge. The biochemical assay cartridge according to the present invention is automatically injected into the reaction cartridge while a sample to be subjected to assay is inserted, through the insertion-type solution cartridge, into the reaction cartridge, and thus user convenience and operability of the assay cartridge are improved. | 02-12-2015 |
20140299487 | PERSONAL BLOOD GLUCOSE METER AND ABNORMAL MEASUREMENT DETECTION METHOD USING SAME - A personal blood glucose meter and a method for sensing abnormal measurement using the same are disclosed. A personal blood glucose meter includes: a sensor strip for collecting and applying a blood sample, wherein the sensor strip includes a reagent; an electrode unit including a plurality of electrodes for receiving the blood sample from the sensor strip to generate electric current based on potential differences; an MCU for measuring currents value generated from the electrode unit to determine whether a glucose value of the blood sample is normal or abnormal; a potential supply unit for applying a predetermined potential to the electrode unit; and a display unit displaying resultant output from the MCU. | 10-09-2014 |
20140241338 | BLOOD GLUCOSE MONITORING SYSTEM HAVING WIRELESS COMMUNICATION MODULE TO WHICH TIME SYNCHRONIZATION METHOD IS APPLIED - The present disclosure relates to a blood sugar meter system with a wireless communication module, and more particularly, to a time synchronization method between a blood sugar meter system with a wireless communication module synchronized with a cellular network such as a global system for mobile communication (GSM)/code division multiple access (CDMA) network and the cellular network. The present invention provides a blood sugar meter system with a wireless communication module applying a time synchronization scheme including: a global system for mobile communication (GSM)/code division multiple access (CDMA) network transmitting network identity and time zone (NITZ) information; and a blood sugar meter metering user's blood sugar data, wherein the blood sugar meter synchronizes a network time according to the NITZ information with an internal time of the metered data and transmits the metered blood sugar data to a server connected to the GSM/CDMA network. | 08-28-2014 |
20140014512 | AMPEROMETRIC SENSORS AND DEVICES FOR MEASURING CONCENTRATION OF S-NITROSOTHIOLS BASED ON PHOTO-INDUCED DECOMPOSITION OF S-NITROSOTHIOLS - Provided are an amperometric sensor and device for electrochemically quantifying nitrosothiol (RSNO), which is associated with storage and delivery of nitric oxide (NO) in the human body. The amperometric sensor for measuring a concentration of RSNO includes an electrode configured to measure an electric current generated by an oxidation reaction of NO, and a means configured to start and stop photo-induced decomposition of RSNO. Here, the electric current is measured by the oxidation reaction of NO before and after the photo-induced decomposition of RSNO. The amperometric sensor may measure separate signals of RSNO and NO, which are present in the sample at the same time, using one electrode, thereby preventing an inhibition action caused by NO during the measurement of RSNO. Also, the amperometric sensor is simple in structure and easy to manufacture and may be applied to manufacture of a small electrode, and thus may be developed as a sensor for in vivo measurements. | 01-16-2014 |
20130281882 | LANCET DEVICE - The present invention relates to a lancet device that can solve the problem of falling or losing a cover when mounting or separating a lancet and reduce the pain that accompanies blood-taking. A lancet device according to an exemplary embodiment of the present invention includes: a lancet holder having a lancet seat to mount a lancet at one end; an operating mechanism disposed at the other end of the lancet holder and loading and releasing the lancet holder along a predetermined path; and an a housing receiving the operating mechanism and having one end coupled to the lancet holder, and further includes a cover that covers the housing so that the lancet holder is received in the housing, is at least partially connected with the housing in order not to separate from the housing in use, and has protrusions on the front part. | 10-24-2013 |
20130274781 | RELEASING STRUCTURE FOR LANCING DEVICE - A releasing structure for a lancing device according to an exemplary embodiment of the present invention may include: a lancet body with a lancet at the front; a lancet holder mounted with the lancet body with the lancet at the front; a stem disposed behind the lancet holder and moving the lancet holder forward/backward; a rotary housing pushing/pulling the stem while turning forward at a predetermined angle about a rotational axis defined in the movement direction of the lancet; a torsion spring storing torque for turning the rotary housing forward at a predetermined angle; and a loading handle transmitting torque to the torsion spring while turning forward at a predetermined angle. | 10-17-2013 |
20130267979 | LANCET DEVICE WITH ADJUSTABLE HYPODERMIC PENETRATION DEPTH - A lancet device with an adjustable hypodermic penetration depth according to an exemplary embodiment of the present invention includes: a lancet holder having a lancet seat to mount a lancet at one end; an operating mechanism disposed at the other end of the lancet holder and loading and releasing the lancet holder along a predetermined path; a depth adjusting member receiving the lancet holder and having at least two grooves formed at a predetermined angle on the circumferential surface of one end to form inclined passages clockwise or counterclockwise; and a housing receiving the lancet holder and the operating mechanism and having a protrusion that is formed on the inner side of an end and fitted step by step in the grooves when the depth adjusting member turns at a predetermined angle. | 10-10-2013 |
20130267977 | LANCET HOLDER AND LANCET DEVICE INCLUDING THE SAME - The present invention provides a lancet holder that can smoothly and accurately hold all of lancets with different cross-sections and diameters and can keep them vertical, and a lancet device including the lancet holder. | 10-10-2013 |
20130267976 | LANCET-SEPARABLE LANCET DEVICE - A lancet-separable lancet device according to an exemplary embodiment of the present invention includes: a lancet holder having a lancet seat to mount a lancet at one end and a separation hole at the other end; an operating mechanism disposed at the other end of the lancet holder so that the lancet holder is loaded and released by traveling along a predetermined path; a housing receiving the operating mechanism and having one end coupled to the lancet holder; an operation switch connected to the operating mechanism and operating the operating mechanism by pressing it; a cover covering one end of the housing and having a through-hole at the center through which a lancet needle of the lancet instantaneously protrudes; and a lancet separation mechanism disposed at the other side of the lancet holder and separating the lancet from the lancet holder by being inserted into the separation hole of the lancet holder. | 10-10-2013 |
20130081958 | COMPOSITION OF REDOX-REAGENTS FOR ELECTROCHEMICAL BIOSENSOR AND BIOSENSOR COMPRISING THE SAME - A composition of redox-reagent containing metal-containing complex and thionine or its derivative as electron transfer mediator for use in an electrochemical biosensor, and a biosensor containing the same are provided. With the increase in reaction rate between redox enzyme-thionine (or its derivative)-metal-containing complex in the composition of redox-reagent containing metal-containing complex and thionine or its derivative, glucose detection efficiency markedly increases, and the composition is hardly influenced from high humidity and interfering substances. Accordingly, the composition of redox-reagent is useful in fabricating an electrochemical biosensor for detecting glucose in blood. | 04-04-2013 |
20110210726 | ELECTROCHEMICAL BIOSENSOR MEASURING SYSTEM - Disclosed are an electrochemical biosensor which comprises a production lot information identification portion, on which information is recorded in a magnetization mark, and a measuring device which can automatically identify the production lot information of the biosensor with the insertion of the electrochemical biosensor into the measuring device. The electrochemical biosensor and the measuring device thereof can record production lot information in the form of magnetization marks on an electrochemical biosensor strip and read the information as digital signals through a magnetoresistance sensor device, which can be mounted on the surface of a circuit board using Surface Mounted Technology (SMT). Without the need for a high-priced filter or a complicated calculation system, the magnetic detector system has a simple construction and realizes economic efficiency in the construction of the measuring device. Also, the measuring device automatically identifies the production lot information recorded on the biosensor, so that inconvenience and the frequency of errors, which occur when a user personally inputs the production lot information, can be reduced, with the result that the measured values can be conveniently and accurately acquired. | 09-01-2011 |
20110147457 | BIOSENSOR MEASURING APPARATUS AND A METHOD THEREOF - A biosensor can be measured by a method that includes: determining malfunction of a production lot information sensing unit; alerting malfunction when the production lot information sensing unit malfunctions; encoding the production lot information through the production lot information sensing unit when the production lot information sensing unit does not malfunction; and detecting a component of a sample through a biosensor strip by using the encoded production lot information. | 06-23-2011 |
20110011739 | ELECTROCHEMICAL BIOSENSOR WITH SAMPLE INTRODUCTION CHANNEL CAPABLE OF UNIFORM INTRODUCTION OF SMALL AMOUNT OF SAMPLE - Disclosed is an electrochemical biosensor having a sample introduction channel in which an insulator is employed to introduce a small amount of a sample uniformly and accurately and to adjust an area of a working electrode, thereby guaranteeing the accurate quantitative analysis of a sample. Provided with a sample collection barrier at a sample entrance, the biosensor allows a sample to be introduced at higher accuracy and to be analyzed with higher reproducibility and reliability. | 01-20-2011 |
20100273248 | SOLUTION BAG FOR APPARATUS FOR CHEMICALLY ANALYZING BLOOD - The present invention provides a solution bag that is used for medical treatment and stores solution used for an apparatus for analyzing blood chemistry that measures and analyzes the concentrations of electrolytes, the partial pressures of gases, and the concentrations of metabolites or the volume ratio of red blood cells contained in blood. The solution bag for an apparatus for analyzing blood chemistry of the present invention includes: a receptacle that contains a solution; a valve body that is attached to the receptacle and has a through-hole longitudinally formed therein; a valve spool that is disposed in the thorough-hole of the valve body; and a solution leakage preventing unit that is disposed in the valve spool, in which the valve body has a flow channel and a solution discharging pipe spaced at a predetermined distance from each other, and the solution leakage preventing unit of the valve spool includes a first blocking member that prevents the solution from leaking outside and a second blocking member that is spaced apart from the first blocking member and stops or allows the solution flow from the flow channel to the solution discharging pipe. | 10-28-2010 |
20100200428 | MICROFLUIDIC SENSOR COMPLEX STRUCTURE - Disclosed is a microfluidic sensor complex structure comprising a lower plate, a middle plate and an upper plate. A reference electrode, a working electrode and an electrode connection are formed on the lower plate. The middle plate comprises a microfluidic channel passage therein. The upper plate is overlaid on the middle plate so as to induce a capillary phenomenon on the microfluidic channel passage formed on in the middle plate. The microfluidic sensor complex structure allows the motion of a sample to be driven only by a capillary phenomenon, without additional operation, and allows an immune response, washing, and electrochemical analysis in one round once a sample is introduced thereinto. Hence, it requires only a short time period for measurement, is convenient to handle, and shows sensitivity and selectivity. Also, it can be produced on a mass scale because it can be formed of typical organic polymers using a simple method. Based on analytical electrochemistry, the microfluidic sensor complex structure can be used as a small-size sensor that can be applied to practice sites. | 08-12-2010 |
20090308744 | ELECTROCHEMICAL DETERMINATION SYSTEM OF GLYCATED PROTEINS - Disclosed relates to an electrochemical determination system of glycated proteins, the system comprising: a filtering means for filtering labeled compounds bound to glycated proteins and non-glycated proteins after adding labeling compounds, capable of selectively binding to the glycated proteins to a solution, in which glycated/non-glycated proteins coexist, to be bound all to the glycated proteins; and a quantifying means for quantifying the filtered labeling compounds, not bound to the glycated proteins. The system of the present invention filters the residual labeled compounds left after binding to glycated proteins to quantify, instead of directly quantifying glycated proteins via the known glycated protein determination methods, thus simplifying the configuration of the system that can provide exact determinations with a low cost. Moreover, the electrochemical determination system of glycated proteins of the present invention minimizes the interference that the proteins are absorbed to an analysis device and a sensor in the system, not using immune antibodies that are expensive and have limited lives and, furthermore, not modifying the electrodes of the electrode sensor with antibodies or enzymes, thus facilitating mass production, quality control and circulation of the products. | 12-17-2009 |
20080237062 | Electrochemical biosensor and biosensor measuring device - An electrochemical biosensor and a biosensor measuring device. The electrochemical biosensor includes a plurality of electrodes, capillary sample cell portions, reaction reagent layers, electrode connection portions, and a production lot information identification portion. The production lot information identification portion is configured such that the production lot information is recorded thereon has one or more infrared absorption/reflection marks, which indicate information about differences between production lots through the printing and/or attachment of colored or colorless materials, having differences in absorbency or reflectivity of infrared rays, in conformity of a predetermined pattern or through the attachment of transparent films. The electrochemical biosensor measuring device includes a plurality of integrated photo-reflector sensing devices that emit and receive infrared rays to identify the production lot information recorded on the production lot information identification portion of the biosensor. | 10-02-2008 |