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| Number | Title | Issue Date |
| 8101064 | Method of using a biosensor A biosensor for determining the concentration of an analyte in a biological sample. The biosensor comprises a support, a reference electrode or a counter electrode or both disposed on the support, a working electrode disposed on the support, the working electrode sp... | 01/24/2012 |
| 7998338 | Biosensor A biosensor for determining the concentration of an analyte in a biological sample. The biosensor comprises a support, a reference electrode or a counter electrode or both disposed on the support, a working electrode disposed on the support, the working electrode sp... | 08/16/2011 |
| 7959791 | Enzyme sensor with a cover membrane layer covered by a hydrophilic polymer The present disclosure relates to an improved enzyme sensor comprising a cover membrane layer of a porous polymeric material, the outer surface and pore mouths of at least one face of the porous polymeric material being covered by a hydrophilic polymer. The sensor i... | 06/14/2011 |
| 7914663 | Structure, porous body, sensor, process of structure and detecting method for specimen A mesoporous silica structure having a plurality of mesopores includes a dendritic framework having mesopores. 90% or more of the mesopores observable in a 500 nm×500 nm area pass through the framework in a direction perpendicular to a longitudinal direction of the... | 03/29/2011 |
| 7892414 | Electrochemical biosensors, applications and methods of making biosensors Electrochemical biosensors, methods of making biosensors and methods of detecting a target analyte in a sample to be analyzed are provided. A preferred embodiment device comprises a non-conductive polymer deposited on the electrode to form a matrix material having a... | 02/22/2011 |
| 7846321 | Error detection in analyte measurements based on measurement of system resistance Measurement of the series track resistance of a working and counter electrode pair in an electrochemical test strip provide error detection for multiple variations in the quality of the test strip, as well as the operation of strip in the test meter. In particular, ... | 12/07/2010 |
| 7807043 | Microfluidic test device The present invention provides biosensor test devices for measuring the presence or amount of an analyte in a biological fluid. The devices have a base plate that has an electrode system embedded therein, and a hydrophilic porous material situated on the base plate.... | 10/05/2010 |
| 7547384 | Electrochemical detector systems The present invention concerns methods for detecting micro-organisms in a sample, and apparatus comprising hollow fibre filter membranes for same. ... | 06/16/2009 |
| 7455760 | Analytical instruments, biosensors and methods thereof An electrochemical sensor system and membrane and method thereof for increased accuracy and effective life of electrochemical and enzyme sensors. ... | 11/25/2008 |
| 7442289 | Amperometric biosensor in thick film technology Described is an amperometric biosensor in thick film technology for the detection an/or determination of substances undergoing enzyme catalyzed reactions, especially glucose or lactate, comprising an inert carrier material, at least one transducer layer exhibiting a... | 10/28/2008 |
| 7408359 | Current measuring device having artificial lipid bilayer membrane The current measuring device includes an upper solution chamber (3) and a lower solution chamber (8) whose bottom has a support layer (5) and measures a current flowing via an artificial lipid bilayer membrane (2) formed on a small hole (... | 08/05/2008 |
| 7379765 | Oxygen enhancing membrane systems for implantable devices The present invention relates generally to systems and methods for increasing oxygen availability to implantable devices. The preferred embodiments provide a membrane system configured to provide protection of the device from the biological environment and/or a cata... | 05/27/2008 |
| 7371247 | Method and apparatus for penetrating tissue A tissue penetrating system includes a plurality of penetrating members each having a tip. A penetrating member driver is coupled to the plurality of penetrating members. Each tip of a penetrating member is uncovered during launch of the penetrating member by the pe... | 05/13/2008 |
| 7366556 | Dual electrode system for a continuous analyte sensor Disclosed herein are systems and methods for a continuous analyte sensor, such as a continuous glucose sensor. One such system utilizes first and second working electrodes to measure additional analyte or non-analyte related signal. Such measurements may provide a b... | 04/29/2008 |
| 7358081 | Devices for the electrochemical detection of a nucleotide sequence, analysis cassettes, systems of analysis cassettes, supplemental modules, and methods for producing analysis cassettes Devices for the electrochemical detection of a nucleotide sequence in a fluid are described that include (a) a working electrode and a counter-electrode wherein the working electrode is attached to a biopolymer that has a specific affinity with the nucleotide sequen... | 04/15/2008 |
| 7347925 | Biosensor for monitoring an analyte content with a partial voltage generated therefrom A biosensor for monitoring an analyte content with a partial voltage generated therefrom is provided. The present biosensor includes a chip having a resistance Rs, a power source, and a microprocessor. The power source is used for supplying an applied vol... | 03/25/2008 |
| 7341830 | Method and reagent system having a non-regenerative enzyme-coenzyme complex The invention relates to a method and reagent system for detecting an analyte in a sample by means of an enzymatic reaction, involving the use of an enzyme-coenzyme complex as a stoichiometric reaction partner for the analyte present in the sample. ... | 03/11/2008 |
| 7336984 | Membrane and electrode structure for implantable sensor The invention is the design of a biological measuring device for the determination of the concentration of biomolecules (e.g. glucose) in an environment which is designed for implantation into an individual or for use in the context of an external apparatus. The dev... | 02/26/2008 |
| 7335286 | Immersion sensor for measuring the concentration of an analyte with the help of an oxidase The invention relates to measuring the concentration of analytes with the aid of an oxidase in an immersion sensor situated in a fluid or in a matrix containing fluid. Oxygen diffuses into the enzyme layer from within, from a gas-filled space connected to the atmosp... | 02/26/2008 |
| 7331931 | Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes an electrically powered drive force generator. A penetrating member is operatively coupled to the force generator. The force generato... | 02/19/2008 |
| 7326384 | Method and apparatus for detecting physicochemical changes emitted by biological sample A device for detecting a physicochemical change in a biological sample comprising at least one measuring electrode provided by causing a conductive material to enter into a porous film, and a conductor connected to the measuring electrode. ... | 02/05/2008 |
| 7323091 | Multimode electrochemical sensing array A multimode electrochemical sensing array formed on an integrated circuit chip is structured to provide electrochemical determination of acidity or alkalinity, as well as electrochemical and potentiometric measurement of oxidation/reduction potentials, conductivity ... | 01/29/2008 |
| 7316700 | Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine... | 01/08/2008 |
| 7300633 | Specimen collection container The present invention recognizes that sample handling devices, particularly those used for testing for substances of abuse, do not allow for a separation of the bulk sample from a sample thereof to be tested. The present invention provides such a device and methods ... | 11/27/2007 |
| 7291117 | Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes a voice coil based penetrating member driver. A plurality of penetrating members are included. A transport mechanism is configured to... | 11/06/2007 |
| 7291503 | Reversible resistivity-based sensors One aspect of the present invention relates to a method for detecting the presence of an analyte by comparing the conductivity of a mixture containing an analyte and a sensor to the conductivity of the sensor in the absence of analyte. In certain embodiments, the se... | 11/06/2007 |
| 7287318 | Biosensor A biosensor is provided that comprises a plate element with a pre-determined reaction zone and a recess positioned adjacent to the reaction zone. The biosensor also comprises a reagent that is positioned on the reaction zone. In preferred embodiments, the recess cir... | 10/30/2007 |
| 7288174 | Electrochemical biosensor There is provided the reagent layer composition that can substantially reduce the measurement bias arising from hematocrits. The addition of fatty acid (4-20 carbons) and quaternary ammonium salt to a commonly used reagent layer composition composed of an enzyme, an... | 10/30/2007 |
| 7276147 | Method for determining the concentration of an analyte in a liquid sample using small volume samples and fast test times Analytes in a liquid sample are determined by methods utilizing sample volumes of less than about 1.5 μl and test times within ten seconds. The methods are preferably performed using small test strips including a sample receiving chamber filled with the sample by c... | 10/02/2007 |
| 7276146 | Electrodes, methods, apparatuses comprising micro-electrode arrays Described are micro-arrays of electrodes disposed proximal to a flexible substrate, electronic components and sensors comprising such arrays, and methods of use for such arrays. ... | 10/02/2007 |
| 7267939 | Detection of analytes using reorganization energy The invention relates to novel methods and compositions for the detection of analytes using the nuclear reorganization energy, λ, of an electron transfer process. ... | 09/11/2007 |
| 7258769 | Electrochemical biosensors There is provided electrochemical biosensors with a sample introducing part, comprising a sample introducing passage, an air discharge passage, and a void. The sample introducing passage communicates with the air discharge passage, and the void is formed at the poin... | 08/21/2007 |
| 7258693 | Device and method for variable speed lancet A method of penetrating tissue is provided. The method comprises using a lancet driver to advance a lancet into the tissue; advancing the lancet at a first desired velocity in a first layer of tissue; advancing the lancet at a second desired velocity in a second lay... | 08/21/2007 |
| 7252649 | Implantable vascular access device An implantable vascular access device includes a housing having an inlet, an outlet, an interior chamber defined therein and a valve positioned between the inlet and the interior chamber. The valve is subcutaneously manipulated between an open position, in which flu... | 08/07/2007 |
| 7244265 | Method and apparatus for penetrating tissue These and other objects of the present invention are achieved in a body fluid sampling system for use on a tissue site that includes a drive force generator and a penetrating member operatively coupled to the force generator. The force generator moves the member alo... | 07/17/2007 |
| 7238534 | Capillary active test element having an intermediate layer situated between the support and the covering The invention concerns a device for withdrawing samples of liquid samples for analytical elements. The capillary-device channel is essentially formed by a carrier, a cover and optionally an intermediate layer between the cover and carrier. A notch is located in one ... | 07/03/2007 |
| 7235184 | Solid state membrane channel device for the measurement and characterization of atomic and molecular sized samples A solid state device is formed through thin film deposition techniques which results in a self-supporting thin film layer that can have a precisely defined channel bored therethrough. The device is useful in the chacterization of polymer molecules by measuring chang... | 06/26/2007 |
| 7232460 | Nanodevices, microdevices and sensors on in-vivo structures and method for the same An in-vivo method and apparatus is disclosed that comprises at least one sensor for determining changes in a human's an animal's body and reporting said changes outside the body. The sensor may be embedded in a sheath. The apparatus may be used to monitor chemical o... | 06/19/2007 |
| 7232451 | Method and apparatus for penetrating tissue A skin penetrating system has a housing member and a plurality of penetrating members positioned in the housing member. A tissue stabilizing device is coupled to the housing member. A user interface is configured to relay at least one of, skin penetrating performanc... | 06/19/2007 |
| 7229458 | Method and apparatus for penetrating tissue A tissue penetrating system includes a plurality of cartridges each with a distal port and a proximal port. A plurality of penetrating members are provided, each coupled to a cartridge and having a sharpened distal tip and a shaft portion slidably disposed within th... | 06/12/2007 |
