319results about "Endoradiosondes" patented technology

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 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.

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.

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.

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.

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.

An apparatus for detecting gastrointestinal pathology includes a capsule including at least one temperature sensor, the capsule configured to be swallowed by a subject, and the at least one temperature sensor configured to detect ambient heat radiated by tissue of the subject.

An embodiment includes an ingestible capsule comprising a housing including a therapeutic payload delivery section, a power source, a release mechanism, and a detection mechanism, the detection mechanism being sensitive to an environment outside the housing, the ingestible capsule being configured to pass through the GI tract of a subject mammal, during which the detection mechanism is configured to output a signal that varies according to the GI tract environment, the detection mechanism including one or more sensors from among a VOC gas sensor, a TCD gas sensor, a reflectometer formed by a transmitting antenna of the ingestible capsule connected in series with a directional coupler and configured to measure a reflected signal from the transmitting antenna, and an accelerometer, and the release mechanism is configured to release the therapeutic payload from the therapeutic payload delivery section into the GI tract at a release timing determined according to the output signal.

A system includes processing circuitry configured to receive a message transmitted from a medical device. The message is indicative of an acute health event of a patient detected by the medical device. The processing circuitry is configured to, in response to the message, determine a location of the patient, generate an alert indicative of the location and the acute health event of the patient, and control transmission of the alert to a response network controller. The response network controller is configured to, in response to the alert, determine a plurality of connected portable treatment devices of a response network based on the location and transmit a treatment request signal to the plurality of connected portable treatment devices.

A load sensing assembly for a spinal implant is disclosed. The load sensing assembly may include: a set screw having a drive interface, a lower cavity for receiving a cover, the cover including a protrusion that may engage with an anchoring member. The load sensing assembly may further include an antenna, and at least one sensor having an integrated circuit in communication with the antenna. In some embodiments, the integrated circuit is positioned within a sealed cavity of the set screw. In some embodiments, a connecting wire extends through a through hole of the set screw and into the sealed cavity to connect the antenna with the at least one sensor. In some embodiments, the cap is welded to the set screw, the through hole is filled with an insulative material, and the sealed cavity of the set screw is hermitically sealed.

A load sensing assembly for a spinal implant includes a set screw having a central opening that extends from a first end of the set screw toward a second end of the set screw. The second end of the set screw is configured to engage with an anchoring member. The load sensing assembly includes an antenna, an integrated circuit in communication with the antenna, where the integrated circuit is positioned within the central opening of the set screw, and a strain gauge in connection with the integrated circuit. The strain gauge is located within the central opening of the set screw in proximity to the second end of the set screw.

An ingestible device that includes a plurality of retention arms that are configured to retain the ingestible device in a stomach of a subject is provided. The ingestible device includes a sensor to detect a physiological parameter in the stomach of the subject and a controller programmed to process physiological data from the sensor based on the detected physiological parameter.

The embodiment of the application discloses a kind of intelligent micro robot and processing method for sensing signal in human body, the intelligent micro robot for sensing signal in human body includes: the head sensor with sensing circuit in the inside, the sensing circuit includes transceiving coil, tuning capacitor and sensitive resistance;The transceiving coil is used to receive electromagnetic field energy in the MRI imaging process, and generates induced magnetic field based on the electromagnetic field energy to enhance local signal;The tuning capacitor is used to tune the sensing circuit to the operating frequency of MRI equipment;The sensitive resistance is used to convert environmental stimulus into resistance to modulate the sensing circuit;Micro robot carrier platform includes driving component and sensor platform, the head sensor is processed on sensor platform, and driving component is used to drive the head sensor under the action of external field.The intelligent micro robot method for sensing signal in human body solves the problem that the process for sensing signal in human body in the prior art can cause harm to the human body or the detection type is single and the sensitivity is insufficient.

Systems, devices, and methods discussed herein include wireless midfield transmitters and implantable receiver devices. A midfield transmitter can be configured to provide signals outside of tissue that give rise to propagating signals inside of tissue. The present subject matter includes a protection circuit for a transmitter device, a layered transmitter device, an implantable receiver device, implantation and extraction methods, test and assembly methods, and the like. In an example, a protection circuit includes a first control circuit to receive an RF drive signal and conditionally provide an output signal to an antenna. A second control circuit can generate a control signal based on the antenna output signal and / or information about the RF drive signal. A gain circuit can provide the RF drive signal to the first control circuit. The gain circuit can change an amplitude of the RF drive signal based on the control signal from the second control circuit.

Disclosed is an implant and method of making an implant. The implant having a housing that defines a cavity. The housing includes a sensor comprising a base attached to a diaphragm wherein said base may be positioned within said cavity. The sensor may be a capacitive pressure sensor. The diaphragm may be connected to the housing to hermetically seal said housing. The sensor may include electrical contacts positioned on the diaphragm. The attachment between the base and the diaphragm may define a capacitive gap and at least one discontinuity configured to enhance at least one performance parameter of said implant.

The present disclosure generally relates to a compact, conformal space-filling antenna system integrated within an ingestible capsule endoscope. The system utilizes a coplanar waveguide (CPW)-fed antenna, featuring a notched ground plane, a meandering radiating patch, and a parasitic patch, both designed in a serpentine pattern. This configuration enables operation at two distinct frequency bands: approximately 0.915 GHz with a 150 MHz bandwidth and 2.4 GHz with a 350 MHz bandwidth. The capsule houses a central processing unit for data transmission and sleep / wake-up functionality, powered by an internal battery. The antenna's conformal design maximizes space utilization within the cylindrical capsule, ensuring efficient wireless communication for medical diagnostic applications.

An implantable intraocular physiological sensor (e.g., 200) for measuring intraocular pressure, glucose concentration in the aqueous humor, and other physiological characteristics. The implantable intraocular physiological sensor (e.g., 200) may be at least partially powered by a fuel cell, such as an electrochemical glucose fuel cell (e.g., 210). The implantable intraocular physiological sensor (e.g., 200) may wirelessly transmit measurements to an external device. In addition, the implantable intraocular physiological sensor may incorporate aqueous drainage and / or drug delivery features.

Ina system, device and method for treating an aneurysm of a human or mammal patient an implantable member adapted to hold fluid is provided. The member is adapted to be placed in connection with a blood vessel having the aneurysm and to exercise a pressure on the aneurysm of said blood vessel.

An apparatus for generating magnetic field gradients, comprising (a) a first planar electromagnetic coil set configured to generate a first magnetic field gradient with respect to a first axis, (b) a second planar electromagnetic coil set configured to generate a second magnetic field gradient with respect to a second axis orthogonal to the first axis, (c) a third planar electromagnetic coil set configured to generate a third magnetic field gradient with respect to a third axis orthogonal to the first and second axes, and (d) a controller configured to selectively power the first, second, and / or third electromagnetic coil sets to sequentially generate positioning magnetic field gradients with respect to each of the first, second, and third axes, at least a portion of each positioning magnetic field gradient having a magnetic field magnitude that monotonically varies along the respective axis.

System and method for locating a medical device A computer-implemented method for locating a medical device is disclosed. The method comprises analysing a first set of signals received from a medical device at a plurality of receivers and, based at least in part on the analysing, selecting a first subset of receivers from the plurality of receivers, the first subset of receivers comprising at least three receivers. The method further comprises estimating the location of the medical device.