32 results about "Patch electrode" patented technology

The invention provides an electrochemical luminescence MeHA microneedle patch and a preparation method and application thereof.The preparation method comprises the steps that hyaluronic acid is modified into methacrylated hyaluronic acid, MeHA solid powder is obtained after purification, and the MeHA solid powder is mixed with a photoinitiator to form a precursor solution; and pouring into a microneedle mold, centrifuging, drying and carrying out UV crosslinking to obtain the MeHA microneedle patch loaded with ABEI and glucose oxidase. Through the MeHA microneedle patch-SPE electrode integrated design, the integrated operation of skin interstitial fluid in-situ extraction-enzymatic reaction-electrochemical luminescence detection is realized, sample transfer is not needed, the interference of intermediate links is greatly reduced, the detection accuracy and efficiency are remarkably improved, and the device and the method are particularly suitable for clinical real-time monitoring scenes.

According to one embodiment, an intelligent reflecting surface includes a first substrate, a second substrate, a sealing material, a liquid crystal layer, and a radar absorbent material. The first substrate includes a first basement located in a first area and a second area, and a plurality of patch electrodes. The second substrate includes a second basement and a common electrode. The radar absorbent material is located in the second area.

The invention discloses a scoliosis measuring method and device, and the method comprises the steps: S1, carrying out the collection of an electromyographic signal set of a user through a patch electrode disposed on the spine of the user; s2, acquiring a discrete point position information set by using a position measurement module arranged on the spine of the user; the discrete point position information set comprises a position information sequence measured by each position measurement module; and S3, performing scoliosis measurement processing on the electromyographic signal set and the discrete point position information set to obtain a scoliosis measurement information set of the user.

The utility model provides a surface-mounted terminal and a magnetic device. The surface-mounted terminal comprises a main body part and a surface-mounted part, the surface-mounted part is equivalent to a surface-mounted electrode of a traditional magnetic device, the main body part is equivalent to a side surface electrode of the traditional magnetic device, and the thickness of the surface-mounted electrode and the thickness of the part, connected with the surface-mounted electrode, of the side surface electrode are both smaller than the maximum thickness of the side surface electrode. Therefore, the fillet at the joint of the patch electrode and the side electrode has a smaller outer fillet radius, SMT soldering tin for electrically connecting the patch electrode and the circuit board can be exposed out of the side electrode in the vertical direction, and vertical AOI detection and judgment are facilitated.

A catheter and patch electrode system is provided for use with an ablation generator, having a 4-wire interface for improved impedance measurement. The 4-wire interface includes a pair of source connectors across which an excitation signal is produced and a pair of sense connector wires across which the impedance is measured. The system further includes a cable that connects the generator to a catheter that includes a shaft with an ablation tip electrode disposed at a distal end. The impedance sensor circuit produces an excitation signal across the source connectors, which is then carried to the catheter by the cable, then to the tip electrode, travels through the complex load (tissue volume), and returns to the generator via a patch electrode. The impedance is measured by observing the voltage drop across the sense connectors caused by the excitation signal.

The invention relates to electrocardiogram monitoring equipment and an electrocardiogram data processing method. The device comprises six patch electrodes which are used for being pasted in a preset range of the chest of a monitored object to obtain six precordial lead signals; the signal collector is used for collecting the six precordial lead signals and sending the six precordial lead signals to the signal processor; the signal processor is used for obtaining five groups of chest lead difference vectors according to the six precordial lead signals and obtaining current standard 12-lead electrocardiosignals of the monitored object according to the five groups of chest lead difference vectors and a trained lead conversion model; wherein the trained lead conversion model is obtained by training a 12-lead electrocardiosignal sample. By adopting the equipment, an accurate electrocardiogram monitoring result can still be obtained under the condition that a pasting position deviates when a user pastes an electrode by himself / herself, and independent use of the user is facilitated.

The electromagnetic wave reflecting element includes a patch electrode, an insulating film, an auxiliary electrode, a liquid crystal layer, and a counter electrode. The insulating film is located on the patch electrode. The auxiliary electrode is located on the insulating film and has at least one slit or notch overlapping the patch electrode. The liquid crystal layer is located on the auxiliary electrode, and the counter electrode is located on the liquid crystal layer. The patch electrode and the auxiliary electrode are configured to be individually subjected to variable potentials.

A bio-signal apparatus comprises a first connection part, a second connection part and a seal. The first connection part comprises a sheet, which carries a patch electrode structure and comprises electrodes for reception of a bio-signal from a body of a mammal and first electrical connectors, the first electrical connectors being electrically connected with the electrodes. The second connection part comprises counterpart electrical connectors, and the first electrical connectors and the counterpart electrical connectors being repeatedly attachable and releasable with each other for transferring the bio-signal therethrough to data processing. The seal seals an interface of the first connection part and the second connection part against dust and moisture, and the seal surrounds the first electrical connectors and the electrical counterpart electrical connectors in a continuous manner.

This application relates to a patch electrode, a method for preparing the patch electrode, a data acquisition device, and a ventilator. The patch electrode comprises: a base layer, an electrode support layer, a reference electrode layer, and a gel layer, sequentially stacked; the reference electrode layer has a flexible structure; the projected area of ​​the gel layer on the base layer is larger than the projected area of ​​the reference electrode layer on the base layer. This application can improve motion artifacts and enhance the quality of acquired electrical signals.

The radio wave absorbing device includes: a patch electrode; a counter electrode which faces the patch electrode and is made of a material different from that of the patch electrode; and a liquid crystal layer between the patch electrode and the counter electrode. Another radio wave absorbing device includes: a first patch electrode; a second patch electrode that can be controlled independently of the first patch electrode; a counter electrode that faces the first patch electrode and the second patch electrode; and a liquid crystal layer between the first patch electrode and the counter electrode and between the second patch electrode and the counter electrode. A first relative dielectric constant of the liquid crystal layer sandwiched between the first patch electrode and the counter electrode is different from a second relative dielectric constant of the liquid crystal layer sandwiched between the second patch electrode and the counter electrode.

The application relates to the technical field of brain-computer interfaces, and discloses a brain-computer interface terminal device. The brain-computer interface terminal device comprises a flexible main body frame, a frontal lobe collection array, a dual-function ear clip module, a magnetic suction modular electrode and a master control integrated module; the frontal lobe collection array is arranged on the flexible main body frame and adopts a multi-point potential distribution design; the dual-function ear clip module integrates a reference electrode and an environmental noise sensor and is used for synchronously collecting brain electrical reference potential and environmental electromagnetic interference data; the magnetic suction modular electrode adopts a magnetic suction female buckle interface design to be compatible with dry electrodes and flexible patch electrodes and to realize plug and play; the master control integrated module is electrically connected with the frontal lobe collection array, the dual-function ear clip module and the magnetic suction modular electrode respectively, so as to realize brain electrical signal collection and interference elimination, adaptive adjustment of electrode collection parameters, dynamic switching of a collection channel and a sampling rate, linkage configuration of an electrode working mode and a collection point.

An intelligent reflecting surface includes a plurality of reflecting elements arranged in a matrix form having a plurality of rows and a plurality of columns. The plurality of reflecting elements each has a patch electrode, a first orientation film over the patch electrode, a liquid crystal layer over the first orientation film, a second orientation film over the liquid crystal layer, and a common electrode over the second orientation film. The patch electrode has a plurality of first slits parallel to one another, having the same width, and extending in one of a row direction and a column direction. The common electrode has a plurality of second slits parallel to the first slits and having the same width as the first slits. In each of the plurality of reflecting elements, a distance between adjacent first slits is constant and the same as a distance between adjacent second slits.

The utility model relates to the technical field of engineering exploration, and discloses a patch-type electrode fixing device for a wall side surface, which comprises a coupling patch, a bonding device and a base, the coupling patch comprises a fixed end and a rotating shaft, the bonding device comprises a rotating groove and a double faced adhesive tape, one side of the top of the base is provided with a fixed groove, and the fixed groove is provided with a fixed end. The fixing end is fixedly connected with a fixing groove, the fixing groove penetrates through and is rotatably connected with the rotating shaft, the two ends of the fixing end are fixedly connected with one end of the rotating shaft, the top of the base is fixedly connected with a bonding surface, the middle of the top of the base penetrates through and is provided with a patch groove, and the middle of the bottom of the base penetrates through and is provided with a preset hole. According to the utility model, through the synergistic effect of the carbon nanotubes, the graphene composite conductive paste and the polyurethane matrix, the coupling patch has high conductivity and flexible fitting capability, and can adaptively fill micro cracks on the surface of a wall body, so that the coupling stability is remarkably improved.

This radio wave reflection device has: a radio wave reflection region in which a plurality of reflective elements for reflecting radio waves are arranged in an array; and a peripheral region that surrounds the radio wave reflection region and in which a radio wave absorption pattern is disposed. Each of the reflective elements includes: a patch electrode disposed on a surface on which the radio waves are incident; a control electrode facing the patch electrode; and a liquid crystal layer disposed between the patch electrode and the control electrode. In the radio wave reflection region, the control electrodes of the plurality of reflective elements are connected by stripline wiring so as to have the same potential. In the peripheral region, the outline of the radio wave absorption pattern has a width greater than that of the stripline wiring, and the radio wave absorption pattern is connected to the patch electrodes by the stripline wiring.

The application provides a tunable phase shifter and an electronic device. The tunable phase shifter comprises a dielectric layer between a first substrate and a second substrate; a first electrode arranged on the first substrate; and a second electrode arranged on the second substrate. The second electrode comprises at least one patch electrode arranged on the second substrate. A projection of the first electrode on the second substrate covers at least part of a projection of the dielectric layer on the second substrate and at least part of a projection of the patch electrode on the second substrate. The first electrode, the dielectric layer and the at least one patch electrode form at least one variable capacitor. This structure facilitates voltage application, does not require additional electrodes and has little effect on the performance of the phase shifter. The capacitance of the variable capacitor can be increased by changing the thickness of the first electrode and / or the patch electrode. When the dielectric constant of the liquid crystal in the variable capacitor changes, the phase shifter can obtain a larger phase shift.

The application discloses an electrical method drilling detection method based on an inflation capsule type wall electrode, and relates to the technical field of geophysical detection while drilling. The method presets a measurement point position and a measurement sequence before drilling. After drilling to the preset measurement point, the inflation capsule is pressurized, so that the patch electrode rises radially and tightly adheres to the hole wall. Before measurement, the electrode wall contact effect is judged based on signal stability. If the contact is poor, the pressure is adjusted and re-pressurized until the requirements are met. After the contact effect meets the requirements, the electrical method measurement is implemented according to the preset sequence, and the data stability is verified through repeated collection. After single measurement is completed, the capsule is depressurized and retracted, drilling to the next measurement point is continued, and the above process is repeated until the entire measurement task is completed. The application realizes continuous and collaborative operation of drilling and detection, and through adaptive judgment and adjustment of the contact state, the data collection reliability and detection accuracy under complex hole wall conditions are significantly improved.

The utility model relates to the field of acupoint massage equipment, and provides a pair of well acupoint electrical stimulation gloves. The well acupoint electrical stimulation glove comprises a glove body, and a stimulation electrode is arranged at the position, corresponding to a well acupoint, of the glove body. The patch electrode is arranged on the glove body and corresponds to the wrist in position; the electrical stimulation control module is arranged on the glove body; the stimulation electrode and the patch electrode are electrically connected with the electrical stimulation control module. According to the well acupoint electrical stimulation glove provided by the embodiment of the utility model, the stimulation electrodes are arranged at the positions, corresponding to the well acupoints, of the glove body, so that electrical stimulation of a plurality of well acupoints can be realized at the same time. By arranging the patch electrode at the corresponding position of the wrist, nerves or muscles at the position of the wrist can be stimulated, by electrically connecting the stimulation electrode and the patch electrode with the electrical stimulation control module, control over the stimulation electrode and the patch electrode can be achieved, and different electrical stimulation functions are achieved.

This inspection device for a radio wave reflection device is provided with: an antenna that transmits and receives radio waves to and from a radio wave reflection device that has a plurality of reflection elements that have a patch electrode and a common electrode; a stage on which the radio wave reflecting device is placed and which is disposed so as to face the antenna; and a control unit that is disposed between the antenna and the stage, has an opening through which the electric wave passes, and controls the irradiation region of the electric wave in the electric wave reflection device through the opening.

An intelligent reflecting surface includes a plurality of radio-wave reflection elements. Each of the plurality of radio-wave reflection elements includes a patch electrode, a sub-patch electrode, a counter electrode, a first orientation film, and a second orientation film. The sub-patch electrode is electrically insulated from the patch electrode. The counter electrode opposes the patch electrode and the sub-patch electrode via a liquid crystal layer. The first orientation film is located between the liquid crystal layer and the patch electrode and between the liquid crystal layer and the sub-patch electrode. The second orientation film is located between the liquid crystal layer and the counter electrode.

Disclosed is a muscle stimulation system, comprising a wearable garment including a plurality of electrodes, and a processor; wherein the processor is configured to define one or more regions of interest (ROI) for electrode activation via a subset of the plurality of electrodes, and provide electrical muscle stimulation, via the subset of the plurality of electrodes, to the ROI.

According to one embodiment, an intelligent reflecting surface includes a plurality of individual areas, each of the individual areas including a first area and one or more second areas, a connection area, a first substrate including a plurality of patch electrodes, a second substrate including a common electrode, the common electrode being located in the first area of each of the individual areas and the connection area and being opposed to the patch electrodes, and a liquid crystal layer held between the first substrate and the second substrate and opposed to the patch electrodes.

A neurostimulation system (10) includes an electrode patch (20), including one or more lower adhesive surfaces (24). A ferromagnetic stud (52) of a male fastener (30) of the electrode patch (20) defines a stud base (54) and a raised protrusion (56) that protrudes from an upper stud-base surface (58) of the stud base (54); is coupled in electrical communication with a conductive surface (22) of the electrode patch (20); and is disposed on an upper surface (26) of the electrode patch (20). A housing (50) of a control unit (40) includes a lower shell (60) that defines a socket (62) defining a lower receptacle (64) and an upper receptacle (66), and includes magnetic material, which magnetically attracts the raised protrusion (56) to the upper receptacle (66). The upper receptacle (66) is shaped to receive the raised protrusion (56) so that the stud base (54) is positioned within the lower receptacle (64) and a gap (80) is defined between the raised protrusion (56) and an upper end surface (74) defined by the upper receptacle (66). Other embodiments are also described.

A reflect array includes a patch electrode, a ground electrode arranged opposite the patch electrode and spaced apart from the patch electrode, a liquid crystal layer between the patch electrode and the ground electrode, and a dielectric substrate on an opposite side of the patch electrode from the liquid crystal layer. A thickness T from a surface on the liquid crystal layer side of the patch electrode to a surface on the opposite side of the dielectric substrate from the patch electrode has a thickness equivalent to a quarter of the wavelength of the radio wave irradiated to the patch electrode.

The invention discloses application of a high-dielectric composite material in a patch electrode for tumor electric field treatment, and relates to the technical field of medical instruments. The high-dielectric composite material comprises a conductive three-dimensional skeleton layer, a high-dielectric inorganic shell layer and a flexible interface layer, the surface of the conductive three-dimensional skeleton layer is coated with the high-dielectric inorganic shell layer, and the conductive three-dimensional skeleton layer and the high-dielectric inorganic shell layer are filled with the flexible interface layer. The composite material provided by the invention has the characteristics of high dielectric, low loss and good heat dissipation performance, is applied to a flexible patch electrode for body surface capacitance coupling of a 100-500 kHz intermediate frequency alternating electric field, can significantly improve the in-vivo electric field intensity and deep coverage on the premise of not increasing the output voltage of equipment, and reduces the power consumption and skin adverse reaction at the same time.

This method for inspecting a radio wave reflecting device is a method for inspecting a radio wave reflecting device having a plurality of reflecting elements arranged in a row direction and a column direction, each of the plurality of reflecting elements having a patch electrode, a common electrode overlapping the patch electrode on the rear surface side of the patch electrode, and a liquid crystal layer between the plurality of patch electrodes and the common electrode, a first light is irradiated from a light source positioned above the radio wave reflecting device to the radio wave reflecting device via a first polarizing plate, and an imaging device positioned above the radio wave reflecting device captures an image of the radio wave reflecting plate via a second polarizing plate having a transmission axis orthogonal to the transmission axis of the first polarizing plate. Whether the reflective element is good or not is determined on the basis of the presence or absence of second light in the image, said second light being obtained by reflecting the first light by the radio wave reflective plate.

This invention discloses an application method and system for an electromyography (EMG)-based intelligent early warning watch for driver fatigue. The method includes: an inertial measurement module monitoring the user's posture; activating the working mode when the user is seated to obtain the rotation angle of the user's wrist; a signal acquisition module collecting EMG signals using patch electrodes; a camera module calculating the user's arm length; a signal processing module filtering the EMG signals; and a main control module extracting features from the EMG signals to calculate the angular velocity of the user's elbow joint. This invention accurately judges the user's state based on a temporal convolutional network and the user's elbow joint angular velocity; when the user is fatigued, the watch issues an early warning to remind the user and avoid dangerous events.

The invention relates to the technical field of biomedicine and physical therapy, and particularly discloses application of a low-intensity intermediate-frequency alternating sine wave electric field in preparation of a product for inhibiting scar fibroblast proliferation and an electric field therapy device. The electric field is a sinusoidal waveform electric field with the frequency of 100-300 kHz and the intensity of 0.5-3 V / cm, and the preferable parameters are 1.5 V / cm and 150 kHz. The electric field can be applied to a scar or a potential scar formation area through the flexible patch type electrode, proliferation of scar fibroblasts can be remarkably inhibited, apoptosis is promoted, and keloids are prevented and treated. The treatment method provided by the invention is non-invasive, controllable and safe, is suitable for prevention and treatment of scars after operation, burn or trauma, can be combined with the existing treatment means for use, and can be applied to a wearable electric field management system in a family or an outpatient service.

The invention provides a magnetic device, a manufacturing method thereof and electronic equipment. The magnetic device includes: a magnetic body; the patch electrodes are arranged on the bottom surface of the magnetic body and are electrically connected with a circuit board; the winding is arranged in the magnetic body, and two end parts of the winding extend out of the magnetic body through the bottom surface of the magnetic body and are electrically connected with the patch electrodes; and the plurality of first side surface electrodes are arranged on the corresponding side surfaces of the magnetic body, and the first side surface electrodes are formed by dipping conductive paste and are electrically connected with the corresponding patch electrodes. On the basis, the vertical AOI detection of the welding points of the magnetic device and the circuit board is facilitated, more and more flexible electrical connection points are provided, the welding reliability is higher, and the high-frequency electrical performance is better.

A reflecting device includes a patch electrode, a common electrode that faces the patch electrodes and is separated from the patch electrode, and a liquid crystal layer between the patch electrode and the common electrode, wherein the patch electrode has a first metal layer with a first through hole, and a first transparent conductive layer stacked on the first metal layer and overlapping the first through hole, and the common electrode has a second metal layer with a second through hole overlapping the first through hole in a plan view, and a second transparent conductive layer stacked on the second metal layer and overlapping the second through hole. Furthermore, the patch electrode comprises a plurality of patch electrodes arranged on a plane of incidence of radio waves, and the common electrode is arranged on a rear side of the plurality of patch electrodes.

A radio wave reflection device according to the present invention has: a radio wave reflection plate that has a radio wave reflection surface at which are arranged a plurality of reflection elements that have a patch electrode and a common electrode; and a housing that houses the radio wave reflection plate. The housing has a heat insulation structure, and at least a region that covers the radio wave reflection surface of the radio wave reflection plate is formed from a dielectric material. The housing has an inner shell and an outer shell that is positioned outside the inner shell. The housing may also have a heat insulation layer that is in a vacuum state between the inner shell and the outer shell.