99 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.

A phase shifter, a phase shifter array, an antenna array and an electronic device are provided and belong to the field of communication technology. The phase shifter includes: first and second dielectric substrates opposite to each other, a first transmission line and a second transmission line on a side of the first dielectric substrate close to the second dielectric substrate, patch electrodes on a side of the second dielectric substrate close to the first dielectric substrate, and a tunable dielectric layer between a layer where the transmission lines are located and a layer where the patch electrodes are located; wherein orthographic projections of two ends of each patch electrode on the first dielectric substrate overlap with orthographic projections of the first and second transmission lines on the first dielectric substrate, respectively; and at least two of the plurality of patch electrodes are connected to different first bias voltage lines.

A low-profile composite antenna device includes a base plate, a first antenna, and a second antenna. The first antenna has a patch electrode capable of receiving signals in a first frequency band. The second antenna, which is capable of receiving signals in a second frequency band, has a top load part as a capacitive element. The top load part is disposed near the patch electrode of the first antenna such that it does not cover the patch electrode in a top view and that the patch electrode is located on the longitudinal extension axis of the top load part. The second antenna has at least one stub that electrically divides the longitudinal direction of the top load part into front and rear sections so as to function as a waveguide for the first antenna.

The invention discloses an application method and system of a myoelectricity intelligent early warning watch for fatigue driving, and the method comprises the steps: monitoring the posture of a user through an inertia measurement module, starting a working mode when the user is in a sitting posture state, and obtaining the rotation angle of the wrist of the user; the signal acquisition module acquires an electromyographic signal by using a patch electrode; the camera module obtains the arm length of the user through calculation; the signal processing module filters the electromyographic signals; and the main control module performs feature extraction on the electromyographic signals and calculates the motion angular velocity of the elbow joint of the user. According to the method, the user state is accurately judged based on the time sequence convolutional network and the angular velocity of the elbow joint movement of the user; when the user is tired, the watch gives an early warning to remind the user, and dangerous events are avoided.

The invention discloses a flexible microneedle electrode for biopotential monitoring, a method for constructing the flexible microneedle electrode and a patch electrode comprising the flexible microneedle electrode. The method comprises the following steps: providing a negative mold with a plurality of microneedle structures; depositing at least one layer of conductive material on the negative mold; and stripping the at least one layer of conductive material from the negative mold to obtain the flexible microneedle electrode comprising a plurality of microneedle structures.

An intelligent reflecting surface includes a plurality of first patch electrodes, a plurality of second patch electrodes including a size different from the plurality of first patch electrodes, a ground electrode facing and spaced apart from the plurality of first patch electrodes and the plurality of second patch electrodes, and a liquid crystal layer provided between the plurality of first patch electrodes, the plurality of second patch electrodes, and the ground electrode. In a plan view, the plurality of first patch electrodes and the plurality of second patch electrodes are arranged in a first a second directions. In the case where a distance between centers of two adjacent first patch electrodes is a distance W1, the second patch electrode is arranged at a position spaced apart from the first patch electrode by a distance W1 / 2 parallel to the first direction and a distance W1 / 2 parallel to the second direction.

The invention relates to the field of medical instruments, and discloses a knee joint nerve treatment auxiliary positioning surface-mounted electrode system and method, the system comprises a signal acquisition module, a nerve positioning module, an electrode adjustment module, an energy control module, a treatment feedback module and a treatment evaluation module, and the invention also discloses a knee joint nerve treatment auxiliary positioning surface-mounted electrode method. Comprising the following steps: initializing a system, starting a knee joint nerve treatment system, installing a surface-mounted electrode, and arranging an energy control module, a signal acquisition module, a nerve positioning module, a treatment feedback module and an electrode adjusting module to prepare to start treatment. By introducing real-time physiological feedback, dynamic adjustment of electrode positions and radio frequency energy and the treatment evaluation module, more accurate, safer and more personalized knee joint treatment is realized, the stability of the treatment effect and the curative effect are improved, and side effects are reduced.

The present invention discloses an itaconyl hydrazide-induced Janus structure polymer, which is a polymer prepared by gradient polymerization under ultraviolet light using itaconyl hydrazide and vinyl monomer as main raw materials. The present invention also discloses an itaconyl hydrazide-induced Janus structure polymer epidermal patch electrode, which is an epidermal patch electrode obtained by connecting the polymer to the electrode and integrating it into a signal processing module. The itaconyl hydrazide-induced Janus structure of the present invention and the hydrogen bond network formed thereby give the polymer excellent stretchability, flexibility, and homogeneous conformal properties, which can ensure the high signal-to-noise ratio, high stability and reliability of the polymer epidermal patch electrode for electrocardiogram signal monitoring. The polymer epidermal patch electrode of the present invention can be used for electrocardiogram signal monitoring in different environments, different motion states, and when worn for a long time, and is particularly applicable to the application of epidermal patch electrodes in wearable health monitoring.

An intelligent reflecting surface in one embodiment includes a plurality of patch electrodes and a common electrode opposite to the plurality of patch electrodes and a liquid crystal layer between the plurality of patch electrodes and the common electrode, wherein the plurality of patch electrodes has a first patch electrode and a second patch electrode adjacent to the first patch electrode, a first distance between the first patch electrode and the common electrode is shorter than a second distance between the second patch electrode and the common electrode, the first distance is a distance from a first surface of the first patch electrode to a surface opposite the first patch electrode of the common electrode, and the second distance is a distance from a first surface of the second patch electrode to a surface opposite the second patch electrode of the common electrode.

The utility model provides an easy-to-hang wire sheet type terminal and a magnetic device. The sheet type terminal easy to hang the wire comprises a side electrode and a patch electrode which are vertically connected, the side electrode comprises a main body part and a welding part, the main body part is vertically connected with the patch electrode, the welding part is connected to one end, far away from the patch electrode, of the main body part, and the end part of the welding part is provided with a concave area. Acute angles are formed between the extending direction of the concave area and the length direction of the welding part and between the extending direction of the concave area and the width direction of the welding part. Therefore, when the terminal is applied to the magnetic device, a lead of a winding can extend into the sunken area after passing through the wire passing groove of the magnet and is welded with the welding part, and the lead is restrained by the sunken area and is prevented from sliding out of the terminal area, so that poor wire hanging can be eliminated, and the service life of the terminal is prolonged. Therefore, the risks of lead breakage, poor welding and the like caused by poor wire hanging are reduced.

The utility model provides a flexible patch electrode for monitoring recurrent laryngeal nerves, which comprises a flexible basement membrane, a fixing sheet, release paper and a plug, the front surface of the flexible basement membrane is coated with conductive paste, the fixing sheet is attached to the front surface of the flexible basement membrane, and the release paper is attached to the back surface of the flexible basement membrane; a circuit in the plug is electrically connected with the conductive paste, and the plug is connected with external monitoring equipment; the flexible substrate film is divided into a signal acquisition area, a connection area and a joint area; the device is further provided with an insulating layer for preventing short circuit and a carbon paste layer for preventing oxidation and corrosion of the conductive paste, the insulating layer and the carbon paste layer both cover the upper layer of the conductive paste, the insulating layer is arranged in the connecting area, and the carbon paste layer is arranged in the collecting area and the connector area. And a reinforcing sheet convenient for mounting and connecting with the plug 7 is arranged on the back surface of the flexible substrate film in the joint area. According to the utility model, the problems of infirm adhesion, edge warping and the like caused by a harder base material are avoided, a patient is prevented from being scratched, and undesirable phenomena such as wrinkles, bubbles and the like caused by a soft base material can be reduced.

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.

This liquid crystal metasurface reflection plate has: a patch electrode arranged in a matrix shape; a drive electrode overlapping the patch electrode; and a liquid crystal layer between the patch electrode and the drive electrode. The drive electrode is divided into a plurality of sub-drive electrodes, and is configured to make it possible to individually drive the plurality of sub-drive electrodes to locally control an alignment state of the liquid crystal layer in the plane of the patch electrode.

An intelligent reflecting surface includes a first substrate including a patch electrode, a strip wiring, and a transistor, a second substrate including a counter electrode opposed to the patch electrode, and a liquid crystal layer between the first substrate and the second substrate. A first end of the strip wiring is connected at an intermediate position on one side of the patch electrode, and a second end of the strip wiring is electrically connected to the transistor.

The radio wave reflecting device is provided with a patch electrode, a common electrode opposite to and isolated from the patch electrode, and a liquid crystal layer between the patch electrode and the common electrode. The patch electrode has, in plan view, a cross shape including a first rectangular pattern extending in a first direction and a second rectangular pattern extending in a second direction intersecting the first direction and intersecting the first rectangular pattern. The common electrode has, in plan view, a first band-shaped pattern extending in the first direction, and a second band-shaped pattern extending in the second direction and intersecting the first band-shaped pattern.

The present invention belongs to the field of triboelectric power generation technology and discloses an electromagnetic friction composite suspension energy recovery device, comprising a triboelectric nanogenerator and an electromagnetic generator. The triboelectric nanogenerator comprises a housing, a sliding rack, and patch electrodes. The sliding rack is slidably connected to the housing, and the patch electrodes are attached to the housing. Plastic sheets are spaced apart on the sidewalls of the sliding rack. The patch electrodes comprise a conductive portion and a copper sheet connected to the conductive portion, and the plastic sheets and copper sheets generate triboelectric power. A speed-increasing gear train is disposed within the housing, and an electromagnetic generator is disposed on the outer wall of the housing. The speed-increasing gear train is meshed with the rack, and the axle of the terminal gear of the speed-increasing gear train is connected to the input shaft of the electromagnetic generator. This electromagnetic friction composite suspension energy recovery device can collect energy from the suspension system and store it for use by other electrical components of the vehicle, thereby saving energy and improving the energy utilization efficiency of the suspension system while being environmentally friendly.

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.

A radio wave reflection system includes an intelligent reflecting surface including a plurality of patch electrodes, an electrode layer, and a liquid crystal layer, and a driver IC electrically connected to the plurality of patch electrodes and including an output signal generating unit and a timing pattern signal generating unit electrically connected to the output signal generating unit. The timing pattern signal generating unit generates a plurality of pattern signals including voltage values corresponding to each of a plurality of predetermined phase values using an address signal indicating a position where the intelligent reflecting surface is to be placed, a power supply voltage, and a pattern selection signal selecting a plurality of parameters including a plurality of predetermined phase values. The output signal generating unit generates a plurality of output signals based on each of the plurality of pattern signals using the plurality of pattern signals.

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.

The invention discloses an array resistivity imaging method suitable for multi-scene embankment hidden danger detection, and belongs to the technical field of engineering exploration. On the basis of electrode arrangement of a traditional array resistivity method, an electrode used by the traditional array resistivity method is replaced with a patch type electrode capable of selecting a coupling agent. The measuring line can carry out data acquisition at positions where a traditional array resistivity method cannot be arranged, such as a vertical wall body, a hardened road surface, a building top surface and the like, and a data processing means for eliminating the influence of a hardened layer is provided to improve the resolution of data. And a nonlinear apparent resistivity inversion method based on improved shuffled frog leaping is provided for improving the inversion precision so as to cope with the influence of a complex building structure on acquired data. According to the method, the application range and the application scene of the array resistivity method are expanded, the influence of a building structure on measured data is eliminated, the signal-to-noise ratio of the measured data is improved, the inversion precision is improved, and an inversion result can be better judged and decoded.

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 invention relates to the field of medical equipment, in particular to a plasma generating device for wound surface treatment, which comprises a host, a treatment patch, an SDBD electrode and a connecting cable, and is characterized in that the host comprises a high-frequency alternating current power supply and a plurality of first wiring terminals, the high-frequency alternating current power supply forms a plurality of output ends correspondingly connected with the plurality of first wiring terminals, and the SDBD electrode is connected with the high-frequency alternating current power supply; the treatment patch is provided with a second wiring terminal which is correspondingly connected with the first wiring terminal through a connecting cable, and is provided with a silica gel insulation pad. The SDBD electrode is detachably fixed to the treatment patch, and the wiring end of the SDBD electrode is connected with the second wiring terminal. Each second wiring terminal is covered with a silica gel insulation pad and used for electrical insulation and protection, and a user is prevented from touching the electrode high-voltage side by mistake. By means of the detachable SDBD electrode and the length-adjustable connecting cable, the device can be flexibly matched with wounds of different sizes and shapes, synchronous treatment of the multiple wounds is achieved, the treatment efficiency is improved, and the characteristics that the wounds are small, many, deep and far after minimally invasive surgery are effectively met.

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.

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.

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 invention relates to the technical field of rehabilitation medicine, and discloses a tongue muscle force detection training instrument which comprises an instrument body, a cable, a patch electrode and a detection assembly. One side of the instrument body is detachably connected with the cable, and one end of the cable is connected with the patch electrode; the detection assembly comprises a single-chip microcomputer, a display screen and a first pressure sensor. The single-chip microcomputer is arranged in the instrument body, the display screen is arranged on the outer side of the instrument body, and the first pressure sensor is arranged in the patch electrode. The single-chip microcomputer is electrically connected with the display screen and the first pressure sensor. According to the tongue muscle force detection training instrument, the patch electrode and the first pressure sensor are attached to a certain point position of the palate of a child patient, when the child patient uses the tongue tip to abut against the position, the first pressure sensor can detect the upward abutting force, and the upward abutting force is transmitted to the detection assembly through the cable; and then the data is recorded and analyzed through the single chip microcomputer, and the magnitude of the tongue muscle force is displayed through the display screen, so that the child patient and parents can observe the training effect at home and further insist in training.

The radio wave reflecting device includes a patch electrode, a common electrode facing and separated from the patch electrode, and a liquid crystal layer between the patch electrode and the common electrode, and the patch electrode and the common electrode have a plurality of openings forming a mesh-like pattern. The ratio (S1 / D) of the opening width (S1) of the opening portion to the interval (D) between the patch electrode and the common electrode is 1.00 or less. In addition, the ratio S1 / D may be 0.10 or less. In addition, the ratio S1 / D may be 0.05 or less. In addition, the plurality of openings of the patch electrode and the plurality of openings of the common electrode may coincide with each other.

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.