541results about "Endoradiosondes" patented technology

Coaptation assist device for repairing cardiac valves and associated systems and methods are disclosed herein. A coaptation assist device configured in accordance with embodiments of the present technology can include, for example, a fixation member configured to press against cardiac tissue proximate to a native valve annulus, and a stationary coaptation structure extending away from the fixation member. The coaptation structure can include an anterior surface configured to coapt with a first native leaflet during systole and a posterior surface configured to displace at least a portion of a second native leaflet. The device also includes at least one sensor configured to detect parameters associated with at least one of cardiac function and device functionality. The sensors can be pressure sensors configured to detect left atrial pressure and / or left ventricular pressure.

The present disclosure generally relates to a monitoring device (100) for remotely monitoring health of a young livestock animal (10), the device (100) comprising: an elongated body (110) within predefined dimensional limits; and a set of electronic components housed within the elongated body (110), the electronic components comprising: a temperature sensor for measuring body temperature of the young livestock animal (10); a computer processor for processing the measured temperature into temperature data; and a wireless communications component for transmitting the temperature data to a remote computer device (210) for processing to monitor the health of the young livestock animal (10), wherein the predefined dimensional limits of the elongated body (110) enable the monitoring device (100) to be orally administrable into the young livestock animal (10) and to remain inside its stomach (12) without being excreted.

Devices are provided with an internal dimension that can be reduced and increased in vivo. In one example, an interatrial shunt for placement at an atrial septum of a patient's heart includes a body. The body includes first and second regions coupled in fluid communication by a neck region. The body includes a shape-memory material. The body defines a passageway through the neck region for blood to flow between a first atrium and a second atrium. The first and second regions are superelastic at body temperature, and the neck region is malleable at body temperature. A flow area of the passageway through the neck region may be adjusted in vivo.

Disclosed are devices, systems and methods for in vivo monitoring of localized environment conditions within a patient user by measuring analytes, including glucose, oxygen, and / or other analytes. In some aspects, a sensor device includes a wafer-based substrate, at least one electrochemical sensor two-electrode contingent including a working electrode and a reference electrode on the substrate and configured to detect a target analyte in a body fluid when the sensor device is deployed within a subject's body, where the working electrode is functionalized by a chemical layer configured to facilitate a reaction involving the target analyte that produces an electrical signal; and an electronics unit in communication with the electrochemical sensor electrode contingent to transmit the electrical signal to an external processor.

A load sensing assembly for a medical implant is disclosed. The medical implant may include an upper surface, a side surface, a bottom surface, and a cavity housing various sensors and microelectronics. In other embodiments, the medical implant may include a port that is accessible through at least one of the bottom surface, side surface, and the upper surface. The port may be configured to receive an electronics assembly, package, or hermetically sealed enclosure. The electronics package may have a size and shape generally corresponding to the port. In various embodiments, electronic components and sensors may be powered by a local power source. In various embodiments, sensors may be chosen from: accelerometers, gyroscope, strain gauge, pressure sensor, pH sensor, impedance sensor, optical sensor, and / or a temperature sensor. In various embodiments, the medical implant may be chosen from: an interbody spinal implant, a pedicle screw, a connector, and / or a cross-link.

Embodiments include a method of diagnosing gastroparesis or suspected gastroparesis, the method comprising: obtaining data representing a time series of readings from gas sensing apparatus housed within a ingestible capsule device orally ingested by a subjected; processing the readings to detect one or more gastroparesis indicator spikes in the CO2 concentration with respect to time; based on the detected one or more gastroparesis indicator spikes in the CO2 concentration with respect to time, diagnosing gastroparesis or suspected gastroparesis.

Devices and methods for treating obesity are provided. More particularly, intragastric devices and methods of tracking and locating the same are provided.

A signal sensing device includes a body and two signal sensing elements disposed in the body. An insulating layer is sandwiched between the two signal sensing elements. Each of the two signal sensing elements incudes a signal transmission section and a signal sensing section in electrical connection with the signal transmission section. The signal transmission sections are planar antennae parallel to each other and each having an antenna shape of meander-line type. The antenna shape of each transmission section has a vertical projection on a plane parallel to each signal transmission section. The vertical projections of the antenna shapes do not overlap completely. When a portion of the body forms a surrounding portion which surrounds a to-be-sensed target, a portion or an entirety of each signal sensing section is located on the surrounding portion.

A system including: an antenna configured to be implanted in a region a living body, wherein a frequency response and / or attenuation response of the antenna shifts in response to changes in a physiological condition of the living body at the region; an input / output module outside the living body and configured to actuate the antenna to generate a response signal and to receive the response signal, wherein the response signal indicates a frequency response and / or attenuation response of the antenna; and a processor configured to: detect whether the frequency response and / or attenuation response indicates a shift in the frequency and / or attenuation response of the antenna; and in response to the detection of the shift issue and / or record a notice that a change occurred in the physiological condition at the region inside the living body.

A medical endoscope that has a single-use portion with a built-in surgical implement such as a grasper and physical indicia that immediately and clearly show how far a distal end of the implement has protruded from a distal end of a cannula. The indicia can be three dimensional to give a tactical indication in addition to a visual indication of how far the surgical device protrudes from the cannula.

An operable implant adapted for implantation into a patient's body. The operable implant comprises an operating device and a body-engaging portion, the operating device comprising an electric motor including a stationary part containing a plurality of coils and a movable part containing a plurality of magnets, such that sequential energization of the coils magnetically propels the magnets and, thereby, the movable part. The operating device further comprises an encapsulation adapted to hermetically encapsulate the coils of the stationary part, thereby forming a seal between the stationary part and the movable part, which is propelled by the contained magnets, such that the coils of the stationary part are sealed from bodily fluids when implanted.

The invention provides a degradable and stretchable wireless sensor with a multilayer circuit and a preparation method of the degradable and stretchable wireless sensor. The wireless sensor comprises an integrated folding structure and a packaging layer, the integrated folding structure comprises a plurality of layers of snakelike wire structures and a plurality of electrode plates; the snakelike wire structure provides inductance, and the electrode plate provides capacitance; the snakelike wire structure is formed by a planar and multi-cycle snakelike wire structure formed by a biodegradable metal and biodegradable polymer composite layer through multiple times of 180-degree twisting and folding, and patterns of the snakelike wire structure are overlapped after folding so as to realize effective series connection of the inductance coils; the electrode plates are bonded with each other through a biodegradable dielectric layer; the snakelike wire structure adopts a neutral axis separation design at the arc section, namely, the wire width is divided into multiple strands. Reliable series connection of multiple layers of coils can be achieved, inductance is effectively increased, high-frequency resistance is reduced, and therefore wireless transmission performance is improved, and meanwhile the requirements for flexibility, stretchability and biodegradability are completely met.

The present disclosure presents glucose monitoring systems and methods. One such system comprises a glucose monitoring sensor having at least a counter electrode, a reference electrode, and a working electrode; and a silicon-carbide-silicon-carbide-nanoparticles-electrospun-nanofibrous-membrane contacting the working electrode. The system further includes a glucose oxidase enzyme solution contacting the silicon-carbide-silicon-carbide-nanoparticles-electrospun-nanofibrous-membrane, wherein a conductive polymer membrane assists in binding the glucose oxidase enzyme composition with the silicon-carbide-silicon-carbide-nanoparticles-electrospun-nanofibrous-membrane. Other systems and methods are also provided.

A device includes a memory and processing circuitry coupled to the memory and configured to: receive, from a medical monitoring device, a set of one or more patient parameters; determine an exercise tolerance level based on the set of one or more patient parameters and based on at least one comorbidity of the patient; determine that a present activity level for the patient exceeds the exercise tolerance level for the patient; and send a notification to the patient in response to determining that the present activity level exceeds the exercise tolerance level for the patient.

A method for intra-abdominal pressure evaluation and warning is provided. The method includes: arranging a sensing device at an arrangement space inside an abdominal cavity of an object; measuring a pressure value of the arrangement space by a pressure sensing module of the sensing device; receiving the pressure value and recording pressure-time information by a control device; accumulating an area under a curve of the pressure-time information during a measuring duration; and, while the accumulated area exceeds a warning threshold, outputting a warning signal by the control device.

Various embodiments are described herein for a device, system, and method for identifying a location of an ingestible device within a gastrointestinal tract of a body. In some embodiments, the ingestible device includes a sensing unit with an axial optical sensing sub-unit located proximal to at least one end of the device, and a radial optical sensing sub-unit located proximal to a radial wall of the device, and may autonomously identify a location within the gastrointestinal tract. In some embodiments, the ingestible device includes optical illumination sources and detectors that operate at a plurality of different wavelengths, and may discern regions of a gastrointestinal tract by using the reflection properties of organ tissue and occasional particulates. In some embodiments, the ingestible device may sample fluid or release medicament based on a detected device location.

Various packaging assemblies and methods for preserving sterility of a sensing device prior to insertion into a body cavity of a subject are described herein. Some implementations of a packaging assembly include: a bag comprising an interior, the bag at least partially comprising a transparent material; and a tray configured to be positioned within the interior of the bag and configured to retain and protect the sensing device, wherein the tray comprises an opening configured to allow a button of the sensing device to be engaged via a portion of the bag, thereby allowing the sensing device to be transitioned from a non-operational state to an operational state when retained by the tray and positioned within the interior of the bag. Such operational state can be one in which the sensing device can be wirelessly paired with a separate electronic device, for example, to enable wireless data transmission.

Provided is a bio-adhesive device including an adhesive material layer, an electronic device layer, and a protective film layer to have advantages of being harmless to the human body, being naturally degraded in the body without a separate removal process, and capable of observing the movement of internal organs more closely in real time from outside the body.

The invention relates to an ingestible electrochemical sensor which is characterized in that its housing has electrolyte-admitting inlets through which an aqueous electrolyte, gastric acid, for example, can penetrate into the interior from the surroundings of the sensor and can serve as an electrolyte in the sensor.

To provide systems and methods for continuous monitoring of analyte values.SOLUTION: A method for wireless data communication between an analyte sensor system and a mobile device comprises: storing identification information associated with a transceiver of the analyte sensor system, the identification information entered by a user of the mobile device via a custom application running on the mobile device; causing the custom application to enter a background mode; searching for advertisement signals; receiving an advertisement signal from the transceiver; authenticating the transceiver; prompting the user to bring the custom application to a foreground mode; causing the custom application to request a confirmation from the user that a data connection with the transceiver is desired; receiving the confirmation from the user; and completing the data connection with the transceiver.SELECTED DRAWING: Figure 5

This invention discloses an external communication module configured to communicate with a swallowable intracellular device. The communication module includes a receiving unit and a transmitting unit. The receiving unit operates within a first frequency range and is configured to receive signals from the intracellular device. The transmitting unit operates within a second frequency range different from the first frequency range and is configured to transmit signals to the intracellular device. The transmitting unit is also configured to act as an auxiliary receiving unit to receive signals from the intracellular device.

Techniques for determining whether a ventricular depolarization is a premature ventricular contraction (PVC) depolarization can include processing circuitry of a medical system that identifies an interval from a maximum slope point to a minimum slope point of each of a plurality of ventricular depolarizations and, for each of the plurality of ventricular depolarizations as a current ventricular depolarization, determines that an interval from a maximum slope point to a minimum slope point of the current ventricular depolarization, a previous adjacent ventricular depolarization of the plurality of ventricular depolarizations, and a subsequent adjacent ventricular depolarization of the plurality of ventricular depolarizations satisfies one or more slope criteria. The processing circuitry determines, based on the interval from the maximum slope point to the minimum slope point that satisfies the one or more slope criteria, that the current ventricular depolarization is a PVC depolarization.

A system for tracking consumer patient compliance with a pharmaceutical and dosage form includes a tracking device, a computer system, and a database. The tracking device is for processing a plurality of ingestible event marker (IEM) devices, wherein each IEM device includes an IEM storing an IEM identification code, and the tracking device can include a first capacitive plate, a second capacitive plate, and a structure for positioning each IEM device in proximity to the first capacitive plate and the second capacitive plate. The tracking device can be configured to interrogate each IEM via capacitive coupling as each IEM device passes through the structure. The computer system communicatively coupled to the tracking device can be configured to receive each IEM identification code read from each interrogated IEM, and the database tracking each IEM can be configured to link each received IEM identification code to additional information including an identifier of an active pharmaceutical / drug.

Various examples describe a livestock monitoring system and method. A sensor signal may comprise a rotational component describing a rotation of the sensor within an animal and a linear component describing a linear movement of the sensor within the animal. The rotational component may be used to identify an animal respiration signal. The animal respiration signal and the linear component may be used to generate a respiration-corrected linear component. An animal heart signal may be detected from the respiration-corrected linear component.

An ingestible in-vivo gastrointestinal device constituted of: a power source; a processor and a memory; and a sensor, the processor, at least partially responsive to the sensor, to determine a location of the in-vivo gastrointestinal device as being in one of an esophagus, a stomach, a small intestine and a large intestine of a subject.

According to some embodiments, a medical device includes an optical sensor arrangement configured to provide an optical signal associated with the patient, a processor, and a memory operably coupled to the processor and storing instructions. When executed by the processor, the instructions cause the medical device to perform operations including receiving the optical signal, identifying a target time interval in the optical signal, and modifying sampling parameters of the optical sensor arrangement such that the optical sensor arrangement provides the optical signal at a first sampling frequency during the target time interval, and at a second sampling frequency during at least a portion of time outside the target time interval, wherein the first sampling frequency and the second sampling frequency are different. The method may further include operating the optical sensor arrangement to provide the optical signal using the modified sampling parameters.

Disclosed are a tissue expander for breast reconstruction comprising an MMP sensor and thus being capable of real-time capsular contracture monitoring and treatment, and a patient information system linked thereto. According to these, a patient or medical staff can easily check and evaluate capsular contracture, which may occur when wearing a tissue expander for breast reconstruction, and whether inflammation, a side effect, or the like is caused thereby, even outside the human body in real time. Accordingly, before or when capsular contracture occurs, effective treatment and response are possible.

To allow for simple and unobtrusive measurements of glucose concentration in a body fluid.SOLUTION: There is provided an implantable device of an implantable glucose monitor for measuring the glucose concentration of a body fluid when implanted, the device comprising a glucose measurement unit, the glucose measurement unit comprising a light source configured to emit light towards a light transmissive part of a housing of the device, the device further comprising an optical sensor configured to detect linearly polarized light returned through the transmissive part from the light source, and to output an electrical signal based on the detected light, and a wireless communication module configured to wirelessly communicate with an external wireless communication device, wherein the wireless communication module is configured to wirelessly transmit a signal based on the electrical signal to the external wireless communication device.SELECTED DRAWING: Figure 3

A swallowable capsule has a main magnet along a long axis that is aligned between movable electromagnets in a magnetic endoscopy machine. The flipping magnet is orthogonal to the long axis. The capsule rolls around the long axis to flip the orientation of the side camera on the side of the capsule. An external basic electromagnet under the foot of the patient is energized to roll the capsule. When the long axis is orthogonal to the magnetic axis of the basic magnet, the basic magnet acts on the overturning magnet but does not act on the orthogonal main magnet. Most components, such as controllers, side cameras, side lasers, batteries, and antennas, are mounted to a long printed circuit board (PCB) along a long axis, while front cameras and lasers are mounted to a front PCB mounted orthogonally to a front edge of the long PCB.