415results about "Microscale sensors" patented technology

A sensor system for optical detection of multiple analytes is discussed. An example system is presented that includes a plurality of lenses configured to receive individual light signals from analyte-sensing chromophores disposed on an array when the analyte-sensing chromophores are illuminated by light while being exposed to different specific analytes within an interstitial fluid. The system further includes at least one volume phase grating (VPG) communicatively coupled to at least one of the plurality of lenses and a detector communicatively coupled to the at least one VPG so that light signals from the analyte-sensing chromophores are focused by the plurality of lenses to the at least one VPG and transmitted to the detector. The detector being operable to generate spectra with each spectrum corresponding to an individual light signal from a single analyte-sensing chromophore.

A wearable device includes an accelerometer, at least three electrodes to detect electromyography signal, a communication circuitry, and a processor circuitry. A user wears a primary and a secondary wearable device on two limbs. When the user performs a two-hand gesture, the wearable devices detect a primary and a secondary movement pattern. The primary device recognizes the two-hand gesture from the primary and secondary movement pattern.

The invention discloses a measurement method, system and related device, the method is applied to first electronic equipment, the first electronic equipment comprises a first electrode group and a second electrode group, and the distance between the first electrode group and the second electrode group is greater than a first distance; under the condition that a first electrode group and a second electrode group are implanted into subcutaneous tissue, the method comprises the following steps: determining a first physiological parameter through the first electrode group; electrocardiosignals are determined through the first electrode set and the second electrode set. Therefore, the electrocardiosignal of the user can be obtained anytime and anywhere through the first electronic equipment, and one or more other physiological parameters (such as blood glucose, blood ketone, blood lactic acid and uric acid) of the user can be measured at the same time, so that the health monitoring efficiency is improved.

A catheter system for controlled sympathectomy procedures is disclosed. A catheter system for controlled micro ablation procedures is disclosed. Methods for performing a controlled surgical procedure are disclosed. A system for performing controlled surgical procedures in a minimally invasive manner is disclosed.

The present application relates to an oral scanner system having an oral scanner constructed and / or arranged for performing a scanning procedure on at least a portion of an oral cavity of a subject using an oral health sensor, the oral health sensor is constructed and / or arranged for outputting oral health sensor data acquired during the scanning procedure; a processor constructed and / or arranged to receive the oral health sensor data to determine control data for an oral care device from the oral health sensor data; an oral care device, distinct from the oral scanner, the oral care device configured and / or arranged for performing oral care activities, the oral care device comprising at least two distinct operational settings, where the processor is coupled to a processor communicator and the oral care device has a device communicator, wherein the processor communicator and the device communicator are configured and / or arranged for at least one-way communication from the processor to the oral care device, and wherein the processor is configured and / or arranged to communicate the control data to the oral care device, and the oral care device is constructed and / or arranged to select at least one of the at least two operational settings based on the control data in an oral care activity performed by the oral care device after the scanning procedure.

According to an aspect there is provided a device for analyzing a speckle pattern from biological tissue, the device comprising:a light source configured to generate light for illuminating the biological tissue, such that the light is scattered by the biological tissue and forms the speckle pattern;a Fourier transform element configured to collect the light scattered by the biological tissue and to transform the collected light into a spatial Fourier domain at a Fourier plane of the Fourier transform element;a spatial bandpass filter arranged at the Fourier plane, the spatial bandpass filter being configured to selectively transmit light at a spatial position of the Fourier plane, the spatial position corresponding to a band of speckle sizes of the speckle pattern;a photosensitive detector configured to detect the light transmitted though the bandpass filter, wherein a signal output from the photosensitive detector comprises information on contrast of the speckle pattern.

Embodiments herein relate to an optical chemical sensor system that is wearable and includes a microneedle array. In one embodiment, the invention includes a chemical sensing device having a set of microneedles and sensor elements. The sensor element may include a first low refractive index gel layer, a second low refractive index gel layer, and a chromogenic ionophore sensing film disposed between the first low refractive index gel layer and the second low refractive index gel layer. In one embodiment, a retardation layer may be disposed between the sensor element and a set of microneedles. An optical emitter may be configured to emit light into the sensor element. An optical detector may be configured to receive light from the sensor element. Other embodiments are also included herein.

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.

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.

To provide an aerosol delivery device with functionality for sensing the pressure within an environment of the aerosol delivery devices.SOLUTION: An aerosol delivery device comprises a control component and a digital pressure sensor. The digital pressure sensor is configured to measure a pressure applied thereto, and generate a corresponding signal that indicates the pressure thus measured. The control component or the digital pressure sensor is further configured to control at least one functional element of the aerosol delivery device based on the pressure indicated by the corresponding signal, or a condition of the aerosol delivery device or a user thereof determined from the corresponding signal. Control of the at least one functional element includes output of the pressure or condition for presentation by a display.SELECTED DRAWING: Figure 2

A wearable biosensor for real-time quantification of a biomarker in a biofluid includes at least one functional module. The functional module includes an iontophoresis induction module, a microfluidic layer, a plurality of multimodal biosensors, and a paperfluidic layer.

Disclosed are devices, systems, and methods for in vivo monitoring of biological fluid flow within anatomical structures, such as blood flow through heart valves (e.g., mitral, tricuspid, and / or aortic valves) or heart chambers. The disclosed devices, systems, and methods can continuously measure and evaluate blood flow back and forth at the inlet of a heart valve to determine cardiac function or dysfunction and / or to compile with other monitored data that can be used to measure or predict secondary factors.

An electrophysiology catheter with a distal electrode assembly having covered spine carrying a plurality of microelectrodes. One or more spines have preformed configurations including at least a first portion with a first curvature and a second portion with a second curvature, and may include a linear portion. The linear portion may be between the first and second portions. The linear portion may be distal of the first and second portions. One or more spines have a narrower portion so that different portions of the spine can have different flexibility with a degree of independence in flexibility from adjacent portions.

A method of providing a channel in nervous tissue filled with an aqueous gel for implantation of a microelectrode or other medical device lacking sufficient physical stability for direct implantation by insertion, comprises providing an apparatus comprising an oblong rigid pin covered by a dry gel forming agent; locating a target in the tissue; defining a straight insertion path a desired tissue insertion point and the target; aligning the pin with its end foremost with the insertion path; inserting the pin into the tissue to a position near or at the target; allowing sufficient time to pass for a gel to be formed around the pin, withdrawing the pin. Also disclosed is a corresponding channel; a method of implantation of a microelectrode or microprobe into nervous tissue via the channel; a corresponding method of implantation of living cells; a corresponding apparatus for forming the channel.

A manometric catheter probe includes a flexible printed circuit, one or more pressure sensor assemblies coupled to the flexible printed circuit along a length of the flexible printed circuit, and a first flexible sleeve. Each pressure sensor assembly includes a body. The body includes a central cavity configured to receive the flexible printed circuit and an annular recess of the body. Each pressure sensor assembly further includes a microelectromechanical systems (MEMS) sensor disposed in the annular recess, an electrical connector configured to electrically couple the MEMS sensor and the flexible printed circuit, and a first flexible sleeve disposed over the annular recess of the body. The first flexible sleeve includes a fluid configured to communicate pressure to the MEMS sensor, and a second sleeve is disposed over the pressure sensor assembly.

A method of monitoring a subject with an opto-physiological sensor system is described herein. The method comprises obtaining a model of the optical properties of at least one body tissue type to be monitored, wherein the model of the optical properties comprises a definition of static (DC) and dynamic (AC) components of transmitted optical power and a definition of a source-detector separation related to a normalised path length for an illumination source of the opto-physiological sensor: obtaining an indication of at least one physiological property of the subject from a wearable device worn by the subject: obtaining an indication of at least one physical variable from the wearable device worn by the subject; determining, using the opto-physiological model, how the at least one physical variable affects the at least one physiological property; and determining a corrected value for the physiological property based on the determination of how the at least one physical variable affects the at least one physiological property.

The embodiment of the invention relates to a method and system for detecting gestures of both hands. A wearable device includes: an accelerometer; the at least three electrodes are used for detecting the electromyographic signals; a communication circuit arrangement; and processor circuitry. A user wears a primary wearable device and a secondary wearable device on both limbs. The wearable device detects a primary movement mode and a secondary movement mode while the user performs a two-hand gesture. The primary device recognizes both-hand gestures from a primary movement mode and a secondary movement mode.

An integrated electrode structure can comprise a catheter shaft comprising a proximal end and a distal end, the catheter shaft defining a catheter shaft longitudinal axis. A flexible tip portion can be located adjacent to the distal end of the catheter shaft, the flexible tip portion comprising a flexible framework. A plurality of microelectrodes can be disposed on the flexible framework and can form a flexible array of microelectrodes adapted to conform to tissue. A plurality of conductive traces can be disposed on the flexible framework, each of the plurality of conductive traces can be electrically coupled with a respective one of the plurality of microelectrodes.

Smart gear, which includes electrically conductive fabric, is provided to monitor health parameters, conduct transactions, and generate power. For example, the smart gear may include one or more sensors coupled to the fabric and / or electrically conductive fibers woven into the fabric. The one or more sensors may monitor health parameters such as breathing patterns, sleep patterns, heart murmurs, and so forth. The smart gear may include one or more wireless regions that power electronic devices based on inductive charging.

Described herein are sensors for measuring various parameters. The sensors may be used in systems, devices, and methods for controlling blood flow or for measuring (e.g., monitoring) blood pressure, pH, or analyte levels such as a lactate level, an oxygen level, and / or a carbon dioxide level. The sensors may include a membrane configured to generate a measurable response (e.g., a change in an electrical signal such as resistance, capacitance, current, voltage) when the membrane interacts with a parameter of interest. In some instances, the sensors may include a piezoresistive MEMS subassembly. In other instances, the sensors may include an electrochemical membrane.

A method of monitoring a subject using a photophysiological sensor system is described herein. The method comprises: obtaining a model of optical properties of at least one body tissue type to be monitored, where the model of optical properties comprises a definition of static (DC) and dynamic (AC) components of transmitted optical power and a definition of a source-detector interval related to a normalized path length of an illumination source for the photophysiological sensor; obtaining, from a wearable device worn by the subject, an indication of at least one physiological characteristic of the subject; obtaining an indication of at least one physical variable from a wearable device worn by the object; determining how the at least one physical variable affects the at least one physiological characteristic using the photophysiological model; and determining a corrected value of the physiological characteristic based on the determination of how the at least one physical variable affects the at least one physiological characteristic.

The present application is concerned with an oral scanner system having an oral scanner being structured and / or arranged for performing a scanning procedure of at least a portion of an oral cavity of a subject using an oral health sensor structured and / or arranged for outputting oral health sensor data acquired during the scanning procedure, a processor structured and / or arranged to receive the oral health sensor data to determine control data for an oral care device in dependence on the oral health sensor data, an oral care device different to the oral scanner structured and / or arranged for performing an oral care activity, the oral care device comprising at least two different operational settings, wherein the processor is coupled with a processor communicator and the oral care device has a device communicator, where the processor communicator and the device communicator are structured and / or arranged for at least unidirectional communication from the processor to the oral care device, wherein the processor is structured and / or arranged to send the control data to the oral care device, and the oral care device is structured and / or arranged to select at least one of the at least two operational settings based on the control data in an oral care activity performed by the oral care device subsequent to the scanning procedure.

A penis measurement system and method, wherein the system includes a user device and a penis measurement device. An external soft casing encases a main shell of the penis measurement device. When at least one strap of the external soft casing is strapped on a penis, the external soft casing fixes the main shell to be on top of the penis, allowing a detection airbag protruding from the main shell to press down onto the penis with a down-pressing pressure. The detection airbag deforms and presses onto a sensor chip in the main shell. A processing unit receives a pressure sensor signal from the sensor chip and a gyroscope signal from a gyroscope in the main shell, and accordingly outputs a hardness value and a gyroscope value to a user device through a communication unit. The system quantifies a hardness of the penis.

Aspects relate to mechanisms to control the effective optical path length through skin tissue for non-invasive optical spectroscopy measurements. An apparatus can include a path length control part configured to control the effective optical path length of diffusely scattered light transmitted through skin tissue to produce a target effective optical path length. The apparatus may further include a spectral sensor, a detector, and a light source configured to produce input light directed towards the path length control part or the spectral sensor. The detector is configured to obtain a spectrum of an analyte under test based on the diffusely scattered light. The spectral sensor is configured to either receive the input light, produce modulated light based on the input light, and direct the modulated light to the skin tissue, or to receive the diffusely scattered light from the skin tissue and obtain the spectrum using the detector.

Certain examples of the disclosure concern an implantable sensor. The implantable sensor includes a sensor assembly configured to connect to a suture. The sensor assembly also includes a substrate and a resonant circuit coupled to the substrate. The resonant circuit is configured to electrically resonate at a resonant frequency when exposed to a first electromagnetic field and to emit a second remotely detectable electromagnetic field. The substrate is configured to deform in response to a tensile force applied by the suture and to change a resonant parameter of the resonant circuit in response to the deformation.

Described herein are sensors for measuring various parameters. The sensors may be used in systems, devices, and methods for controlling blood flow or for measuring (e.g., monitoring) blood pressure, pH, or analyte levels such as a lactate level, an oxygen level, and / or a carbon dioxide level. The sensors may include a membrane configured to generate a measurable response (e.g., a change in an electrical signal such as resistance, capacitance, current, voltage) when the membrane interacts with a parameter of interest. In some instances, the sensors may include a piezoresistive MEMS subassembly. In other instances, the sensors may include an electrochemical membrane.

The present invention discloses an intelligent, bioengineered wound dressing device that utilizes honey bee-derived therapeutic compounds integrated into a programmable, multi-layered delivery structure designed for sustained antimicrobial release and dynamic wound healing modulation. The device features microencapsulated honey, propolis, and beeswax components embedded within a biocompatible hydrogel matrix, supported by a control technique that processes real-time wound data acquired through embedded biosensors. The technique classifies healing phases, detects wound anomalies, and modulates therapeutic release through actuators based on environmental cues such as pH, temperature, and exudate levels. The system further includes a logic control unit capable of adaptive learning, remote data transmission, and wound trajectory logging, ensuring precise, patient-specific therapeutic delivery. By integrating natural antimicrobial agents with intelligent sensing and release architectures, the invention provides a responsive, self-optimizing wound care platform that enhances healing outcomes, reduces dressing intervention frequency, and improves clinical oversight through real-time therapeutic intelligence.

The invention is related to a microneedle array comprising a substrate and a plurality of hydrogel-forming microneedles arranged in the form of one or more arrays. The invention is also related to a method for producing such a microneedle array. The hydrogel-forming microneedles may be coated with a conductive polymer layer of PEDOT:PSS. The resulting microneedles may have an electrical conductivity of 100 S / m or more. Laser-based photothermal techniques such as laser-scribed phase separation (LSPS) may be used for enhancing the electrical conductivity and in vivo water stability of the PEDOT:PSS coating layer.

Provided is an acoustic processing apparatus in which a microelectromechanical systems (MEMS) device is effectively arranged. The acoustic processing apparatus includes an enclosure, a sound duct extending from the enclosure, and a MEMS device housed in the sound duct.

Described herein is an implantable device configured to detect impedance characteristic of a tissue. In certain exemplary devices, the implantable device comprises (a) an ultrasonic transducer configured to emit an ultrasonic backscatter encoding information relating to an impedance characteristic of a tissue based on a modulated current flowing through the ultrasonic transducer; (b) an integrated circuit comprising (i) a variable frequency power supply electrically connected to a first electrode and a second electrode; (ii) a signal detector configured to detect an impedance, voltage, or current in a circuit comprising the variable frequency power supply, the first electrode, the second electrode, and the tissue; and (iii) a modulation circuit configured to modulate the current flowing through the ultrasonic transducer based on the detected impedance, voltage, or current; and the first electrode and the second electrode configured to be implanted into the tissue in electrical connection with each other through the tissue. Further described are systems including one or more implantable devices and an interrogator for operating the implantable device, methods of measuring impedance characteristic of a tissue in a subject, and methods of monitoring or characterizing a tissue in a subject.