Abstract: Embodiments herein include implantable medical devices including chemical sensors with bioerodible masking layers to allow for staged activation of the sensors. In an embodiment, an implantable medical device includes a substrate defining wells and a first chemical sensor and a second chemical sensor disposed within separate wells of the substrate. The first chemical sensor and the second chemical sensor can be configured to detect one or more analytes. The device can include a first bioerodible masking layer disposed over the second chemical sensor, sealing off the second chemical sensor. The device can further include a protective planarization layer disposed over at least one of the first chemical sensor and the second chemical sensor such that the outermost surface of the medical device over the first sensor is flush with the outermost surface of the medical device over the second sensor. Other embodiments are also included herein.

Abstract: Embodiments herein relate to systems and methods for combining data from different types of sensors. In an embodiment, a medical system is included. The medical system can include a first sensor configured to produce a first value for an analyte and a second sensor different than the first sensor, the second sensor configured to produce a second value for the analyte. The medical system can also include a controller configured to receive the first and second values. The controller can create a blended analyte value from the first value and second value. Other embodiments are included herein.

Abstract: Embodiments herein relate to chemical sensors for detecting a physiological analyte. In an embodiment, an implantable medical device including a chemical sensor for detecting an ion concentration in a bodily fluid is provided. The chemical sensor can include a sensing element having an outer barrier layer forming a top, a bottom, and opposed sides, where the top of the outer barrier layer can be created from a polymeric matrix permeable to sodium ions, potassium ions, and hydronium ions. An active agent can be disposed within the top of the outer barrier layer, the active agent having anti-inflammatory effects. The chemical sensor can include an optical excitation assembly configured to illuminate the sensing element. The chemical sensor can also include an optical detection assembly configured to receive light from the sensing element. Other embodiments are also included herein.

Abstract: Embodiments herein include systems and methods for detecting, predicting and/or assessing acute kidney injury. In an embodiment, a monitoring system to detect acute kidney injury is included. The monitoring system can include a sensor circuit configured to collect renal data including at least one of systemic renal data, direct renal data, urinary tract data, and renal-relevant extracorporeal data. The monitoring system can also include a memory circuit to store collected renal data, an evaluation circuit to assess renal status, and a telemetry circuit. The evaluation circuit can determine whether acute kidney injury has occurred or is likely to occur by comparing the renal data to at least one of threshold values, personal historical values, patient population values and patterns indicative of acute kidney injury. The evaluation circuit can initiate a warning notification if acute kidney injury has occurred or is likely to occur. Other embodiments are also included herein.

Abstract: A multifunction testing and measuring device having a probe body with an elongated portion extending outward from a rearward main body portion to a hook-shaped forward end, the hook-shaped end useful for isolating a conductor under test, a slide closure member adapted to slide longitudinally forward from a rearward open position to a forward closed position, the closed position useful to capture the conductor under test within a space encircled by the combination of the hook-shaped end, the closed slide closure member, and the rearward main body, with the space encircled including a current sensing zone, and having test leads integral to and stowable on the main body. The multi tester comprises circuitry adapted for detecting a magnetic flux generated by an electric current passing through the conductor under test positioned within the current sensing zone, for sensing current and inrush current, as well as selectably measuring voltage, continuity, and resistance between the test leads.

Abstract: Embodiments herein include implantable medical devices including chemical sensors with bioerodible masking layers to allow for staged activation of the sensors. In an embodiment, an implantable medical device includes a substrate defining wells and a first chemical sensor and a second chemical sensor disposed within separate wells of the substrate. The first chemical sensor and the second chemical sensor can be configured to detect one or more analytes. The device can include a first bioerodible masking layer disposed over the second chemical sensor, sealing off the second chemical sensor. The device can further include a protective planarization layer disposed over at least one of the first chemical sensor and the second chemical sensor such that the outermost surface of the medical device over the first sensor is flush with the outermost surface of the medical device over the second sensor. Other embodiments are also included herein.

Abstract: Embodiments herein relate to systems and methods for combining data from different types of sensors. In an embodiment, a medical system is included. The medical system can include a first sensor configured to produce a first value for an analyte and a second sensor different than the first sensor, the second sensor configured to produce a second value for the analyte. The medical system can also include a controller configured to receive the first and second values. The controller can create a blended analyte value from the first value and second value. Other embodiments are included herein.

Abstract: Embodiments herein relate to chemical sensors for detecting a physiological analyte. In an embodiment, an implantable medical device including a chemical sensor for detecting an ion concentration in a bodily fluid is provided. The chemical sensor can include a sensing element having an outer barrier layer forming a top, a bottom, and opposed sides, where the top of the outer barrier layer can be created from a polymeric matrix permeable to sodium ions, potassium ions, and hydronium ions. An active agent can be disposed within the top of the outer barrier layer, the active agent having anti-inflammatory effects. The chemical sensor can include an optical excitation assembly configured to illuminate the sensing element. The chemical sensor can also include an optical detection assembly configured to receive light from the sensing element. Other embodiments are also included herein.

Abstract: An infrared thermometer adapter for a mobile device having a housing, an aperture on the housing through which infrared radiation emitted or reflected from a target object is able to pass to an infrared sensor, an electrical plug extending rearward from the housing configured to electrically interconnect with an audio jack on the mobile device, and electronic circuitry adapted for transmitting sensor detection signals from the sensor through the mobile device audio jack so that application software downloaded and running on the mobile device is able to convert the transmitted sensor detection signals into digital data for display on the mobile device display.

Abstract: A gas detector adapter for a mobile device having a housing, a inlet on the housing through which ambient air is able to pass for detection of a gas such as carbon monoxide by a carbon monoxide detection sensor, an electrical plug extending rearward from the housing configured to electrically interconnect with an audio jack on the mobile device, and electronic circuitry adapted for transmitting sensor detection signals from the sensor through the mobile device audio jack so that application software downloaded and running on the mobile device is able to convert the transmitted sensor detection signals into digital data for display on the mobile device display.

Abstract: A multifunction testing and measuring device having a probe body with an elongated portion extending outward from a rearward main body portion to a hook-shaped forward end, the hook-shaped end useful for isolating a conductor under test, a slide closure member adapted to slide longitudinally forward from a rearward open position to a forward closed position, the closed position useful to capture the conductor under test within a space encircled by the combination of the hook-shaped end, the closed slide closure member, and the rearward main body, with the space encircled including a current sensing zone, and having test leads integral to and stowable on the main body. The multi tester comprises circuitry adapted for detecting a magnetic flux generated by an electric current passing through the conductor under test positioned within the current sensing zone, for sensing current and inrush current, as well as selectably measuring voltage, continuity, and resistance between the test leads.

Abstract: Embodiments herein include systems and methods for detecting, predicting and/or assessing acute kidney injury. In an embodiment, a monitoring system to detect acute kidney injury is included. The monitoring system can include a sensor circuit configured to collect renal data including at least one of systemic renal data, direct renal data, urinary tract data, and renal-relevant extracorporeal data. The monitoring system can also include a memory circuit to store collected renal data, an evaluation circuit to assess renal status, and a telemetry circuit. The evaluation circuit can determine whether acute kidney injury has occurred or is likely to occur by comparing the renal data to at least one of threshold values, personal historical values, patient population values and patterns indicative of acute kidney injury. The evaluation circuit can initiate a warning notification if acute kidney injury has occurred or is likely to occur. Other embodiments are also included herein.

Abstract: A current measuring device having a probe body with an elongated portion extending outward from a rearward main body portion to a hook-shaped forward end, the hook-shaped end useful for isolating a conductor under test, a slide closure member adapted to slide longitudinally forward from a rearward open position to a forward closed position, the closed position useful to capture the conductor under test within a space encircled by the combination of the hook-shaped end, the closed slide closure member, and the rearward main body, with the space encircled including a current sensing zone, and circuitry adapted for detecting a magnetic flux generated by an electric current passing through the conductor under test positioned within the current sensing zone. A release button for moving the slide closure member serves as a switch to turn on the meter/tester/device when the jaw/slide closure member is opened.

Abstract: A current measuring device having a probe body with an elongated portion extending outward from a rearward main body portion to a hook-shaped forward end, the hook-shaped end useful for isolating a conductor under test, a slide closure member adapted to slide longitudinally forward from a rearward open position to a forward closed position, the closed position useful to capture the conductor under test within a space encircled by the combination of the hook-shaped end, the closed slide closure member, and the rearward main body, with the space encircled including a current sensing zone, and circuitry adapted for detecting a magnetic flux generated by an electric current passing through the conductor under test positioned within the current sensing zone. A release button for moving the slide closure member serves as a switch to turn on the meter/tester/device when the jaw/slide closure member is opened.

Abstract: Embodiments of the invention are related to devices and methods for myocardial ischemia detection, amongst other things. In an embodiment, the invention includes an implantable medical device including control circuitry, an electrical field sensor in communication with the control circuitry, the electrical field sensor configured to generate a signal corresponding to cardiac electrical fields. The implantable medical device can also include a chemical sensor in communication with the control circuitry, the chemical sensor configured to generate a signal corresponding to the concentration of a physiological analyte that affects cardiac electrical field waveform morphology. The control circuitry can be configured to monitor for the presence of myocardial ischemia by evaluating both the signal generated by the electrical field sensor and the signal generated by the chemical sensor. Other embodiments are also included herein.

Abstract: A handheld-sized infrared thermal imaging device (i.e. IR camera) having a focal plane array (FPA) or other type of infrared sensor array, internal memory for storing saved thermal images, a mini-USB or other communications port, battery power supply, and minimal user interface options such as on/off, IR image capture, and potentially a very basic display. The IR camera provides a highly portable field usable thermal image capture instrument which can later be connected to an external computing device such as a laptop computer, with the computer software providing thermal imaging functionality typical of higher end thermal imaging cameras. A visual image camera may be added whereby corresponding visible and IR images are captured and downloadable to the external computer for subsequent thermal analysis.

Abstract: A handheld sized combustion gas sampling analyzer having a gas sample collecting means, an in-line water trap and particulate filter, at least one removable sensor module, with each of the sensor modules adapted to receive at least one sensor chip, and circuitry adapted to receive sensing information from the sensor module and sensor chip thereon.

Abstract: In an embodiment, the invention includes an implantable medical device with a pulse generator and a chemical sensor in communication with the pulse generator, the chemical sensor configured to detect an ion concentration in a bodily fluid. In an embodiment, the invention includes a method for providing cardiac arrhythmia therapy to a patient including sensing a physiological concentration of an analyte, communicating data regarding the physiological concentration of the analyte to an implanted pulse generator, and delivering therapy to the patient based in part on the physiological concentration of the ion. In an embodiment, the invention includes a method for monitoring diuretic therapy. In an embodiment, the invention includes a method for controlling delivery of an active agent into a human body. Other aspects and embodiments are provided herein.

Abstract: A method of HVAC/R test and measurement using a plurality of test and measurement sensor heads, at least one power source and transmitter unit adapted to physically connect with any of the sensor heads and wirelessly transmit data to an external handheld-sized field use display and analysis instrument, including the steps of connecting the power source and transmitter unit a sensor head; performing a test and measurement by positioning the sensor head to sense and measure the desired parameter; transmitting data to the display and analysis instrument; and receiving the transmitted data on the display and analysis instrument. The display and analysis instrument may be connected to a sensor head, and preferably may receive wired or wirelessly transmitted test and measurement data from any number of communicably connected sensor heads. Wirelessly transmitted data may be received by another external display device such as a smartphone or similar computing device.