G01N33/48785

SENSOR DEVICE AND METHOD OF USE

The present disclosure refers to a sensor device, a method of operating the sensor device and an IVD analyzer for receiving the sensor device for determining chemical and/or physical characteristics of a fluid. The sensor device comprises at least two fluidic conduits for repeatedly receiving fluids, each fluidic conduit comprising at least one sensory element arranged such as to come in contact with a fluid in the respective fluidic conduit. In particular, the fluidic conduits comprise different sensory elements, respectively, wherein the sensory elements are separated in the respective fluidic conduits according to compatibility or susceptibility to deterioration or operating temperature. Alternately, the fluidic conduits comprise at least in part the same sensory elements, wherein the sensor device is operated in a primary operating mode and in response to a trigger event, switches to an extended operating mode.

LOW COST AND WIRELESS GAS SENSING PAPER SENSOR HAVING UHF RANGE
20220196619 · 2022-06-23 ·

A system for detecting molecular structures is provided. The system includes a radio frequency (RF) wireless antenna, batteryless sensor, and a network analyzer. The sensor has an ultra-high frequency dipole antenna that transmits data to the RF wireless antenna and a sensing element. The sensing element is operatively coupled to the dipolar antenna and detects molecular structures. The network analyzer receives data from the RF wireless antenna and analyzes the data to determine a concentration of molecular structures.

DEVICE FOR MEASURING HEAVY METALS HAVING ELECTRODE ELEMENT

Provided herein is a device for measuring heavy metals having an electrode element and, most particularly, a device for measuring heavy metals having an electrode element including a device for measuring heavy metals having an electrode element including a substrate having a wireless communication electrode for wirelessly delivering an electrical variance that is measured from an electrode, when measuring heavy metals, an electrode element delivering an electrical signal for measuring heavy metals, and a controller controlling electric current application to the electrode element and detecting a quantity of electricity between electrodes being measured from a measurement object contaminated by heavy metal, or calculating a displacement between a reference quantity of electricity and a measured quantity of electricity.

ELECTRODE INTEGRATED MICROSIEVE ASSEMBLY
20230273185 · 2023-08-31 ·

The invention relates to a device for detecting and/or characterizing one or more cells by the electrical properties of the cells, the device comprising at least one electrode integrated microsieve assembly, wherein the assembly comprises a) a microsieve arrangement, such as a microsieve array, comprising one or more micropores for retaining the cells, and b) a substrate comprising one or more pairs of oppositely arranged first and second electrodes, wherein the microsieve arrangement is connected to the substrate such that each of the one or more pairs of electrodes is configured to form an electric field in at least one micropore of the microsieve arrangement, and wherein the first electrode is arranged in parallel to the second electrode.

NON-ENZYMATIC SENSOR ELEMENT WITH SELECTIVITY AND NON-ENZYMATIC SENSOR
20230273184 · 2023-08-31 ·

A non-enzymatic sensor element with selectivity is used to sense a concentration of a target analyte and includes a substrate and an electrode assembly. The electrode assembly is connected to the substrate and includes a working electrode, a reference electrode and an auxiliary electrode. The working electrode includes a conductive layer, a catalyst layer and a selective layer. The conductive layer is connected to the substrate. The catalyst layer is connected to the conductive layer and includes a catalyst for oxidizing the target analyte. The selective layer is connected to the catalyst layer and includes an ionic liquid having a high affinity with the target analyte. The target analyte passes through the selective layer and contacts with the catalyst layer, and the target analyte is oxidized by the catalyst.

MICRONEEDLE ARRAYS FOR BIOSENSING AND DRUG DELIVERY

Methods, structures, and systems are disclosed for biosensing and drug delivery techniques. In one aspect, a device for detecting an analyte and/or releasing a biochemical into a biological fluid can include an array of hollowed needles, in which each needle includes a protruded needle structure including an exterior wall forming a hollow interior and an opening at a terminal end of the protruded needle structure that exposes the hollow interior, and a probe inside the exterior wall to interact with one or more chemical or biological substances that come in contact with the probe via the opening to produce a probe sensing signal, and an array of wires that are coupled to probes of the array of hollowed needles, respectively, each wire being electrically conductive to transmit the probe sensing signal produced by a respective probe.

Displays for a medical device

Embodiments described herein relate to an analyte monitoring device having a user interface with a display and a plurality of actuators. The display is configured to render a plurality of display screens, including a home screen and an alert screen. The home screen is divided into a plurality of simultaneously displayed panels, with a first panel displays a rate of change of continuously monitored analyte levels in interstitial fluid, a second panel simultaneously displays a current analyte level and an analyte trend indicator, and a third panel displays status information of a plurality of components of the device. When an alarm condition is detected, the display renders the alert screen in place of the home screen, the alert screen displaying information corresponding to the detected alarm condition. Furthermore, the actuators are configured to affect further output of the analyte monitoring device corresponding to the detected condition.

DISPLAYS FOR A MEDICAL DEVICE

Embodiments described herein relate to an analyte monitoring device having a user interface with a display and a plurality of actuators. The display is configured to render a plurality of display screens, including a home screen and an alert screen. The home screen is divided into a plurality of simultaneously displayed panels, with a first panel displays a rate of change of continuously monitored analyte levels in interstitial fluid, a second panel simultaneously displays a current analyte level and an analyte trend indicator, and a third panel displays status information of a plurality of components of the device. When an alarm condition is detected, the display renders the alert screen in place of the home screen, the alert screen displaying information corresponding to the detected alarm condition. Furthermore, the actuators are configured to affect further output of the analyte monitoring device corresponding to the detected condition.

Method for determining analyte concentration in a sample

A method for determining a concentration of an analyte in a fluidic sample is described. A sample is applied to a biosensor including an electrochemical cell having electrodes. A predetermined voltage waveform is applied during at least first and second time intervals. At least first and second current values are measured during the first and second time intervals, respectively. A turning point time is determined during the first time interval at which the measured first current values transition from a first to a second profile. The concentration of analyte in the sample is calculated based on determined turning point time and at least one measured current value. In another example, a physical characteristic of the sample is estimated based on measured current values. The concentration is calculated using a first or second model if the estimated physical characteristic of the sample is in a first or second range, respectively.

Modular hand-held point of care testing system
11320418 · 2022-05-03 · ·

A hand-held point of care monitoring system that includes a plurality of assay modules configured to receive different assay devices that perform assays on one or more samples. At least two of the assay modules or at least two of the assay devices have different identifiers that identify the assays. The system also includes an apparatus having a portable frame configured to interchangeably receive the plurality of assay modules in a same port; a means for decoding the different identifiers when received by the frame; and a means for reading assay results.