| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 600348000 | Determining ion concentration/partial pressure | 29 |
| 20130158378 | IONIC BARRIER FOR FLOATING GATE IN VIVO BIOSENSORS - An ion-sensitive sensor includes a dielectric layer comprising Al | 06-20-2013 |
| 20150366547 | SOFT RETRACTORS - A soft material retractor includes at least two soft actuators, each actuator having at least one pressurizable interior space, wherein the actuator has a first flexible resting state and a second stiffer pressurized state; and a flexible sheet spanning the actuators such that the actuators can be spaced apart from each other by a distance selected to displace a volume of material of a body cavity. The retractor can be uses for holding open wounds or incisions, with trochars, or to displace anatomical features such as organs within a body cavity. | 12-24-2015 |
| 600349000 | Oral fluids | 1 |
| 20160015321 | ORAL HEALTH MONITORING AND MANAGEMENT - Innovative oral health monitoring technologies, which may be embodied in various apparatuses, systems, and methods, provide enhanced patient sample pH testing and other health data. The technologies may involve an oral health monitoring apparatus, which may include a mouthpiece housing, a pH sensor, and a wireless communication interface. The mouthpiece housing may be fitted to a mouth of a patient and may, by way of the pH sensor, capture saliva pH measurements. The technologies may involve wirelessly transmitting the measurements to a server for health condition correlation analyses, visual report generation, and subsequent display on a user device. | 01-21-2016 |
| 600350000 | Esophageal or gastrointestinal fluids | 4 |
| 20120078074 | Methods and Apparatuses for Monitoring Gastroesophageal Reflux Volume with Ultrasonic Catheter - Ultrasonic catheters and methods for determining and/or monitoring reflux volumes during gastroesophageal reflux events. | 03-29-2012 |
| 20150057517 | SAMPLE CAPTURE DEVICE AND SYSTEMS AND METHODS OF USING SAME - Disclosed are devices, compositions, and methods for diagnosing eosinophilic esophagitis in a subject. Also disclosed are methods for monitoring the course of eosinophilic esophagitis in a subject before, during, and after treatment. | 02-26-2015 |
| 20150126837 | DEVICES, SYSTEMS, AND METHODS TO DETERMINE VOLUME REFLUX - Devices, systems, and methods to determine volume reflux. In an exemplary embodiment of a device of the present disclosure, the device comprises an elongated body having a sufficient length so that a distal end of the elongated body can extend to a gastroesophageal junction of a person while a proximal end of the device, or a connector coupled thereto, is present at or distal to a throat of the person relative to the gastroesophageal junction, and a plurality of least ten electrodes positioned at known distances from one another along the elongated body, wherein two or more of the plurality of electrodes can excite an electric field, detect within the electric field, or excite and detect within the electric field, wherein the device is configured to obtain gastric/reflux bolus data at or near the gastroesophageal junction. | 05-07-2015 |
| 20160000375 | ENDOSCOPY CAPSULE AND METHOD OF PRODUCING AN ENDOSCOPY CAPSULE - An endoscopy capsule is provided for detecting a metabolic product of a bacterium located in a gastrointestinal tract, wherein the endoscopy capsule has a sensor unit with two electrodes and has a capsule shell that encloses a usable space, and wherein the electrodes are routed through the capsule shell. | 01-07-2016 |
| 600352000 | Using a flowthrough cell | 3 |
| 20140336487 | MICRONEEDLE ARRAYS FOR BIOSENSING AND DRUG DELIVERY - Methods, structures, and systems are disclosed for biosensing and drug delivery techniques. In one aspect, â 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. | 11-13-2014 |
| 20160077036 | METHOD AND FUEL CELL FOR ELECTROCHEMICAL MEASUREMENT OF ANALYTE CONCENTRATION IN VIVO - The invention relates to a method for the electrochemical measurement of an analyte concentration in vivo, comprising a fuel cell with which the analyte to be measured is reacted catalytically with an enzyme contained in an enzyme layer and which supplies an electrical voltage, dependent on the analyte concentration to be measured, between an anode and a cathode, which voltage is measured. In the catalytic reaction of the analyte to be measured in the enzyme layer, a product is generated which, as fuel of the fuel cell, oxidizes on the anode and is reduced on the cathode. The invention further relates to a fuel cell for such a method. | 03-17-2016 |
| 20160166186 | IN-VIVO MONITORING OF MOLECULAR TARGETS | 06-16-2016 |
| 600353000 | Carbon dioxide or other gases | 5 |
| 20100204556 | PHYSIOLOGICAL PARAMETER SENSORS - A blood gas concentration sensor includes a first housing at least partially defining a first chamber containing a first electrolyte, a first electrode in the first chamber, and a second electrode in the first chamber and substantially parallel to the first electrode. The first housing includes a gas permeable material. The first electrode includes sides and an end. The sides of the first electrode are surrounded by a first insulating layer. The end of the first electrode is in contact with the first electrolyte. The end of the first electrode is not in contact with the first housing. The first electrode includes a first metal. The second electrode includes a second metal. A potential difference between the first metal and the second metal is at least about 0.5 volts. | 08-12-2010 |
| 20130274575 | CARBON DIOXIDE GAS MEASUREMENT SYSTEM AND METHOD - A measurement system for measuring carbon dioxide in a tissue sample is provided. The system includes a housing having a distal end and a proximal end, the distal end including a recessed area; electrodes positioned within the housing, said electrodes in mating relationship; a conductive media in contact with said electrodes; and a recognition layer disposed between said electrodes and said recessed area. | 10-17-2013 |
| 600354000 | Transcutaneous | 3 |
| 20100010328 | PROBES AND SENSORS FOR ASCERTAINING BLOOD CHARACTERISTICS AND METHODS AND DEVICES FOR USE THEREWITH - A probe for use in a patient having a vessel carrying blood to ascertain characteristics of the blood having a cannula adapted to be inserted into the vessel of the patient. The cannula has a length so that when the distal extremity is in the vessel of the patient the proximal extremity is accessible outside of the patient. A gas sensor assembly is carried within the distal extremity of the cannula for determining gas characteristics of the blood in the vessel. A pressure sensor is carried within the distal extremity of the cannula for determining the pressure of the blood in the vessel. | 01-14-2010 |
| 20100056892 | NANOELECTRONIC MEASUREMENT SYSTEM FOR PHYSIOLOGIC GASES AND IMPROVED NANOSENSOR FOR CARBON DIOXIDE - A system for measuring an analyte of interest, particularly carbon dioxide, dissolved in a fluid media of a patient including a nanoelectronic sensor and a measurement instrument in communication with the sensor and configured to receive at least a signal from the sensor indicative of a response of the sensor to at least the analyte of interest. | 03-04-2010 |
| 20160038064 | SYSTEM FOR COMBINED TRANSCUTANEOUS BLOOD GAS MONITORING AND NEGATIVE PRESSURE WOUND TREATMENT - A system for administering negative pressure therapy to a wound includes a screen adapted to be positioned at the wound. A reduced pressure source is in fluid communication with the screen, and a Hood gas transducer is exposed to a reduced pressure provided by the reduced pressure source. The reduced pressure supplied by the reduced pressure source induces hyperperfusion of a blood gas at the wound. | 02-11-2016 |
| 600355000 | Oxygen tension | 2 |
| 600357000 | Transcutaneous | 2 |
| 20080269582 | Methods and devices for surgical drains with sensors - The present invention is directed to a system and method for postoperative monitoring of the condition of a tissue or organ utilizing sensors that may be embedded in various types of surgical drains. The system is comprised of a probe and a monitoring unit. The probe may include a surgical drain with fluid draining channels housing one or more sensors to measure various parameters of the adjacent tissue. The monitoring unit which controls the sensors of the probe may include a processor to process, record and display the measured parameters. This system may be valuable for monitoring transplanted organs and tissue grafts during the critical postoperative period when most of the clinical complications, such as vascular thrombosis, may occur. | 10-30-2008 |
| 600359000 | Temperature compensated | 1 |
| 20120157805 | ABSORBENT ARTICLE HAVING RELEASABLE ODOR CONTROL - An absorbent article comprises a topsheet, a backsheet, an absorbent core disposed between the topsheet and backsheet, and a cyclodextrin complex comprising cyclodextrin and at least three components complexed with the cyclodextrin. The absorbent article has a Total Headspace Area at Time 0 Minutes of no greater than about 0.50×10 | 06-21-2012 |
| 600361000 | pH | 12 |
| 20080262331 | INFECTION MONITORING - Implantable medical devices include a sensor capable of detecting an indicator of infection in proximity to the device. Sensed information regarding the indicator of infection is provided to the device for a time period of between two hours and six months after the device is implanted. A determination may be made as to whether the sensed information is indicative of infection. The determination may be made in the implanted device or in an external device in wireless communication with the implanted device. If the information is indicative of infection, an alert may be issued from the implanted device or an external device. | 10-23-2008 |
| 20080262332 | INFECTION MONITORING - A method includes monitoring an indicator of infection in proximity to an implanted active therapy delivering medical device and providing information regarding the monitored indicator to the implanted medical device. The method further includes determining whether the information regarding the monitored indicator is indicative of infection in proximity to the implanted medical device. | 10-23-2008 |
| 20100016699 | CATHETER WITH A SENSING REGION FOR REDOX REACTIONS - The present disclosure relates to catheters, for example a catheter which is adapted such that the user is able to determine whether it has been correctly positioned within 5 the subject. Also included in the present disclosure are means for detecting the position of the catheter and combinations of a catheter and processors for determining the positioning of the catheter. The present disclosure also relates to methods of determining the position of a catheter in, for example, a human or animal body. | 01-21-2010 |
| 20120184834 | Sensor Catheter Having Reduced Cross-Talk Wiring Arrangements - Improved wiring arrangements for sensor catheters are provided to reduce wire-to-wire cross-talk wherein wires connecting the sensor of the sensor catheter to a processing unit are divided into a plurality of wire bundles contained within respective sheaths, with the wires in wire bundle twisted together reduce electromagnetic signal interference among the individual wires, or between wire bundles. | 07-19-2012 |
| 20130144143 | PROBE STRUCTURE CAPABLE OF MEASURING pH LEVEL - The probe structure capable of measuring a pH level according to an embodiment of the present disclosure includes: a probe unit inserted into an experiment target; a fixing body connected to a terminal of the probe unit and fixing the probe unit; an electrode array disposed at a front end of the probe unit and sensing a neural signal from the experiment target and a pH level; a reference electrode disposed at the front end of the probe unit to be spaced apart from the electrode array by a predetermined interval and sensing a reference signal for pH level measurement; an electric wire electrically connected to the electrode array and the reference electrode; and a measured signal collecting electrode integrated at the fixing body and collecting measured signals transmitted through the electric wire. | 06-06-2013 |
| 20140194714 | ELECTROPHYSIOLOGICAL ANALYSIS SYSTEM - The invention provides an electrophysiological analysis system, in particular for detecting pathological states. This system comprises: electrodes intended to be placed in different regions of the body that are well away from each other; an adjustable DC voltage source for generating successive DC voltage pulses varying in magnitude from one pulse to another, the duration of the pulses being equal to or greater than about 0.2 seconds; a switching circuit for selectively connecting a pair of active electrodes to the voltage source and for connecting at least one other high-impedance electrode; and a measurement circuit for recording data representative of the current in the active electrodes and potentials on at least certain high-impedance connected electrodes in response to the application of said pulses. The range of voltages covered causes, from one pulse to another, the appearance or disappearance of electrochemical phenomena in the vicinity of the active electrodes. | 07-10-2014 |
| 20140296675 | USE OF MUSCLE OXYGEN SATURATION AND PH IN CLINICAL DECISION SUPPORT - Embodiments of the present invention include a system having at least one sensor configured to monitor a muscle oxygen saturation (SmO2) level of a patient who is undergoing cardiac arrest and to generate a signal representing SmO2 level; a user interface device; a processor communicably coupled to the user interface device, the processor configured to cause the user interface device to present an array of two or more possible nodes of a clinical decision support tree, wherein at least one of the nodes indicates cardiopulmonary resuscitation (CPR) treatment of the patient with no ventilation, and wherein at least another of the nodes indicates CPR treatment of the patient with active ventilation; determine which of the two or more possible nodes should be emphasized based on the SmO2 level; and update the array of the two or more possible nodes based on the determination. | 10-02-2014 |
| 20150080692 | Method For Using Electrophysiological Analysis System - The invention provides an electrophysiological analysis system, in particular for detecting pathological states. This system comprises: electrodes intended to be placed in different regions of the body that are well away from each other; an adjustable DC voltage source for generating successive DC voltage pulses varying in magnitude from one pulse to another, the duration of the pulses being equal to or greater than about 0.2 seconds; a switching circuit for selectively connecting a pair of active electrodes to the voltage source and for connecting at least one other high-impedance electrode; and a measurement circuit for recording data representative of the current in the active electrodes and potentials on at least certain high-impedance connected electrodes in response to the application of said pulses. The range of voltages covered causes, from one pulse to another, the appearance or disappearance of electrochemical phenomena in the vicinity of the active electrodes. | 03-19-2015 |
| 20150112175 | Method And System For Measuring Urea - A body-mountable urea sensing device includes an electrochemical sensor embedded in a polymeric material configured for mounting to a surface of an eye. The electrochemical sensor includes a working electrode, a reference electrode, and a reagent localized near the working electrode that selectively reacts with urea. A potentiometric voltage between the working electrode and the reference electrode is related to a concentration of urea in a fluid to which the electrochemical sensor is exposed; the voltage is measured by the body-mountable device and wirelessly communicated. | 04-23-2015 |
| 20150351691 | NANOSCALE WIRE PROBES - The present invention generally relates to nanoscale wires and, in particular, to probes comprising nanoscale wires for use in determining electrical and/or chemical properties in a tissue or other material. For example, in certain embodiments, a probe comprising nanoscale wires may be inserted into an electrically-active tissue, such as the heart or the brain, and the nanoscale wires may be used to determine electrical properties of the tissue, e.g., action potentials or other electrical activity. In addition, in some embodiments, a nanoscale wire may be modified to determine chemical properties of a tissue. A probe comprising such nanoscale wires can be inserted into a tissue (not necessarily electrically active) to determine various properties, e.g., chemical or mechanical properties. In addition, in some embodiments, a probe is provided that can be used to stimulate tissues, e.g., by providing electrical stimuli via one or more nanoscale wires. Still other embodiments are generally directed to systems and methods of making, using, or promoting such probes, kits involving such probes, and the like. | 12-10-2015 |
| 20160038086 | SAMPLING DEVICE - The present invention relates to a device for sampling internal substance(s) in the gastrointestinal tract of an animal composed of at least one wall which is partially expandable. The invention also relates to a method of orally administering the device to an animal and recovering the device from the stool to carry out analysis on the collected sample for diagnosing the health of the gastrointestinal tract and determining nutrient absorption and digestibility. | 02-11-2016 |
| 20160066849 | Activity Monitor and Rate-Adaptive Implantable Leadless Pacemaker - An implantable leadless pacemaker having a housing and two electrodes arranged on said housing. The two electrodes are made of biocompatible materials that have different sensitivities to pH changes. The two electrodes are connected to an activity monitoring unit that is adapted to determine an open-circuit potential difference between the two electrodes and to generate an activity signal derived from said open-circuit potential difference. | 03-10-2016 |
