1071results about "Endoradiosondes" patented technology

Embodiments include methods of identifying a personalized cardiovascular device based on patient-specific geometrical information, the method comprising acquiring an anatomical model of at least part of the patient's vascular system; performing, using a processor, one or more of geometrical analysis, computational fluid dynamics analysis, and structural mechanics analysis on the anatomical model; and identifying, using the processor, a personalized cardiovascular device for the patient, based on results of one or more of the geometrical analysis, computational fluid dynamics analysis, and structural mechanics analysis of anatomical model.

An interventional device for a tubular body, comprising: a stent switchable between a first state and a second state, the diameter of the stent in the second state being greater than the diameter of the stent in the first state; the at least one puncture part is arranged on the stent, and the puncture part is used for puncturing the wall of the tubular body when the stent is in the second state; the at least one electrode is arranged on the at least one puncture part, and the electrode is used for extending out of the tubular body from the area, punctured by the puncture part, of the wall. By means of the scheme, effective implantation of the electrode can be achieved based on the intervention device, the implanted electrode can make direct contact with the biological tissue target area outside the tubular body, direct and non-barrier signal interaction is achieved, and the signal collecting and stimulation applying effects of the electrode are greatly improved.

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.

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.

Provided is a health monitoring system and a health monitoring method that enable constant daily health monitoring with relatively little burden on a subject, that helps prevent and improve lifestyle-related diseases while maintaining the quality of sleep, and that leads to a long and healthy life. [Solution] A health monitoring system using a non-invasive biometric device to measure the biometrics of a subject, comprising a measurement means which is remotely operated from the outside to grasp the internal condition of the body, such as within the organs and the digestive system, and measures spatiotemporal internal environmental information using an in-vivo cybernetic avatar capable of interacting within the body, and a visualization means which visualizes the spatiotemporal internal environmental information measured by the measurement means, wherein the visualization means synthesizes and displays the measurement results from the biometric device and the measurement results of the spatiotemporal internal environmental information from the in-vivo cybernetic avatar.

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.

A flexible sensor configured for use in a bladder is flexible and moveable from a first position in which it is configured to not be discharged from the bladder to a second position in which it is configured to be inserted into the bladder. A sensor insertion tool includes an over sheath, a push rod configured to be inserted into a first lumen of the over sheath. The flexible sensor is positioned in the first lumen of the over sheath, the push rod is then inserted partially into the over sheath behind the flexible sensor. The sensor insertion tool is then positioned at a location, such as the opening to the bladder, in which the sensor is to be deployed.

Disclosed are devices, systems, and methods for in vivo monitoring of internal mechanical stress associated with physiological phenomena of an internal body structure, such as the heart, lungs and / or gastrointestinal tract, from within the host. The disclosed devices, systems, and methods include an in vivo mechanical stress sensor implantable in the host's body.

Devices, systems, and methods for vascular sensing are disclosed herein. According to some embodiments, the present technology includes a method of sensing a physiological parameter. The method can include placing a device comprising an anchor and a sensor carried by the anchor in a first vascular lumen. The method further includes determining a parameter in a second vascular lumen adjacent the first vascular lumen using the sensor.

A flexible sensor configured for use in a bladder is flexible and moveable from a first position in which it is configured to not be discharged from the bladder to a second position in which it is configured to be inserted into the bladder. A sensor insertion tool includes an over sheath, a push rod configured to be inserted into a first lumen of the over sheath. The flexible sensor is positioned in the first lumen of the over sheath, the push rod is then inserted partially into the over sheath behind the flexible sensor. The sensor insertion tool is then positioned at a location, such as the opening to the bladder, in which the sensor is to be deployed.

The technology disclosed in this patent document can be used to construct devices with opto-electronic circuitry for sensing and identification applications, to provide untethered devices for deployment in living objects and other applications, and to provide fabrication techniques for making such devices for commercial production. As illustrated by specific examples disclosed herein, the disclosed technology can be implemented to provide fabrication methods, substrates, and devices that enable wireless, inorganic cell-scaled sensor and identification systems that are optically-powered and optically-readout.

A device is configured to be administered via an oral route by a subject. The device includes an anode, a seal disposed on the anode, and a cathode. When exposed to a liquid or a hydrogel, an exposed surface of the anode undergoes galvanic oxidation dissolution to provide DC power to the device. As the exposed surface of the anode undergoes galvanic oxidation dissolution, the seal incrementally detaches from the anode, and a substantially constant surface area of the exposed surface is maintained.

Methods for treating functional anorectal disorders using biofeedback therapy. The method includes using devices and systems to obtain biofeedback data from a user, and further includes using a computer or processor to analyze the biofeedback data and generate and display a visual representation of that biofeedback data to a user.

Featured are urodynamic catheters, intravaginal devices, and intrarectal devices, systems and kits thereof, and methods of using the devices, systems, and kits to observe pelvic floor movements in order to monitor bladder function in order to diagnose, treat, or prevent urinary incontinence disorders, such as urge incontinence and stress incontinence.

An implantable system for monitoring a vascular structure can include a sensor configured to be positioned within the vascular structure and further configured to detect a property of a flow of blood in the vascular structure, a communication circuitry configured to be positioned within the vascular structure, the communication circuitry connected to the sensor and configured to transmit data related to the property of the flow of blood detected by the electronic sensor, and an antenna configured to be positioned within the vascular structure, the antenna connected to the communication circuitry and further configured to facilitate transmission of the data related to the property of the flow of blood detected by the sensor.

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.

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.

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.

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 catheter system includes an elongated tube structure configured for insertion into a luminal space, such as the vasculature, of a body. The catheter is conductive and configured to conduct electrical signals. The catheter includes one or more power and data coupling devices configured to send and receive power and / or data signals, such as from an underlying guidewire disposed within a lumen of the catheter. One or more sensors are coupled to a distal section of the catheter and are electrically connected to the one or more power and data coupling devices.

A sensor (e.g., an optical sensor) that may be implanted within a living animal (e.g., a human) and may be used to measure an analyte (e.g., glucose or oxygen) in a medium (e.g., interstitial fluid, blood, or intraperitoneal fluid) within the animal. The sensor may include a sensor housing, an analyte indicator covering at least a portion of the sensor housing, and one or more compounds containing boronate or boronic acid moieties that reduce degradation of the analyte indicator.

Disclosed is a device and method for measuring biometric information. A biometric information measurement device according to an example embodiment may include an implant device configured to insert into a body of a subject to be analyzed, to emit an electromagnetic wave of a specific frequency, and to measure a signal reflected from a surrounding analyte; and at least one external device configured to supply power to the implant device and to receive measurement data of the implant device.

Described herein is an implantable device having a sensor configured to detect an amount of an analyte, a pH, a temperature, strain, or a pressure; and an ultrasonic transducer with a length of about 5 mm or less in the longest dimension, configured to receive current modulated based on the analyte amount, the pH, the temperature, or the pressure detected by the sensor, and emit an ultrasonic backscatter based on the received current. The implantable device can be implanted in a subject, such as an animal or a plant. Also described herein are systems including one or more implantable devices and an interrogator comprising one or more ultrasonic transducers configured to transmit ultrasonic waves to the one or more implantable devices or receive ultrasonic backscatter from the one or more implantable devices. Also described are methods of detecting an amount of an analyte, a pH, a temperature, a strain, or a pressure.

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 method for assessing pain experienced by a patient (3) comprises: receiving a sensor signal (8) which has been generated in a sequence of epochs (10) by a sensor (2) configured for measuring a physical activity of the patient (3), wherein each epoch (10) comprises a sequence of measurement periods (11), wherein the sensor signal (8) has been generated in each measurement period (11); determining a signal intensity value (12) for each measurement period (11) from the sensor signal (8); classifying the signal intensity values (12) of each epoch (10) with different physical activity classes (13a, 13b, 13c, 13d) to obtain a classification result (15) for the epoch (10); and determining a behavior assessment score (16) indicative of the pain experienced by the patient (3) from the classification results (15) of different epochs (10).

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.