59 results about "Biomedical equipment" patented technology

The invention discloses a flexible carbon nano net film material and a preparation method thereof, and belongs to the technical field of nanofiber electrode materials. The preparation method of the flexible carbon nano net film material comprises the following steps: dissolving a polymer in a solvent A to obtain a solution B; ultrasonically dispersing the solution B in a solvent C to obtain a net spraying emulsion; wherein the solution B and the solvent C are immiscible; and carrying out electrostatic net spraying on the net spraying emulsion to obtain a polymer nano net film, pre-oxidizing, applying longitudinal and transverse tension in a protective atmosphere, calcining, and cooling to obtain the flexible carbon nano net film material. The flexible carbon nano net film material has an efficient conductive network, shows excellent conductivity and flexibility, and is widely applied to the fields of wearable equipment, flexible sensors, energy storage equipment and biomedical equipment.

The invention discloses an antibacterial and antithrombotic medical catheter and a preparation method thereof. According to the medical catheter, a hydrogel coating is prepared on the surface of the medical catheter, the hydrogel coating contains a three-layer structure, and the medical catheter has low swelling property and excellent mechanical property, stability, durability, platelet adhesion resistance, antibacterial property and biocompatibility. The preparation method disclosed by the invention is simple, efficient and environment-friendly; the dopamine layer provides strong adhesion performance, glucose oxidase entrapped in FDA provides longer-term antibacterial performance, and finally the carboxylic acid betaine zwitterionic coating is introduced to further enhance the antithrombotic performance of the hydrogel coating, so that the hydrogel coating medical catheter is produced. The invention provides a new strategy for the low-expansion amphiphilic ion hydrogel coating with antithrombotic and antibacterial properties in the field of biomedical materials, especially as a medical catheter, and the coating can be applied to biomedical equipment in contact with blood.

The invention belongs to the technical field of biological medicine, and provides a multifunctional fusion peptide modified 3D printing Ti implant constructed by a fusion peptide platform and a preparation method and application thereof. The antibacterial peptide KR-12 and the adhesion peptide GFOGER are simultaneously loaded on the surface of the 3D printing titanium implant through the specific targeting peptide minTBP-1. The sequence of the fusion peptide platform is divided into four main components: bioactive polypeptide sequences KR-12 and GFOGER; a connection unit (Linker); a lysine residue; a specific anchoring group minTBP-1; the composite material has specific loading and slow release capabilities, and utilizes synergistic antibacterial and osteogenesis functions to cope with continuous challenges of implant infection and insufficient osseointegration in biomedical equipment. Meanwhile, sterilization and bone regeneration promotion are achieved, and the method is of great importance to bone healing and enhancement of bone combination around the implant. In addition to the antibacterial effect, the synergistic effect of the antibacterial peptide KR-12 and the adhesive peptide GFOGER can significantly promote osteogenesis of the BMSCs.

Systems, computer programs, devices, and methods that enable coordination across multiple devices of the mobile ecosystem. In one embodiment, smart glasses detect when a user is about to eat food or take a drink and capture the consumable and portion. The data is recorded in a "morsel track" for health activity analysis. Low-fidelity captures provide preliminary recognition, while higher-fidelity captures are selectively invoked for definitive classification. Machine-learning logic generates predicted metabolic responses, such as real-time glucose trends, based on the recorded events. Predicted responses may dynamically adjust the operation of continuous glucose monitors, heart-rate sensors, or other biomedical devices. In some embodiments, the system triggers a pharmaceutical dispenser, such as an insulin pump, inhaler, or transdermal patch, to provide closed-loop therapeutic intervention in real time.

The present invention belongs to the technical field of biomedical equipment, and discloses a preparation method of a polyindole derivative conductive adhesion layer for modifying a neural electrode, wherein the preparation method comprises preparing an electrochemical polymerization solution using an indole derivative monomer and a supporting electrolyte, and then subjecting the electrochemical polymerization solution to an electrochemical polymerization treatment, so that the indole derivative monomer is electrochemically polymerized and deposited on the surface of the neural electrode, thereby obtaining a polyindole derivative conductive adhesion layer located on the surface of the neural electrode. The present invention improves the composition of the adhesion layer and the corresponding preparation method, and for the first time uses a polyindole derivative to obtain a polyindole derivative conductive adhesion layer for modifying a neural electrode, thereby effectively solving the problem of reduced electrochemical performance of the electrode compared with the prior art while improving adhesion.

The present application relates to the technical field of biomedical equipment, and particularly provides a blood type detector and a shaking and mixing device of the blood type detector, aiming to solve the problem that the mixing effect of blood samples and detection reagents of the existing blood type detector is poor, thereby affecting the detection result. To this end, the shaking and mixing device comprises a shaking and mixing mechanism and a cup loading component mounted on the shaking and mixing mechanism, the cup loading component is used for loading a reaction cup, and the shaking and mixing mechanism can vibrate with the cup loading component and the reaction cup in the cup loading component to mix the blood sample and the detection reagent in the reaction cup. By arranging the cup loading component on the shaking and mixing mechanism, the reaction cup can be directly fixed on the shaking and mixing mechanism, so that the vibration generated by the shaking and mixing mechanism can be better transmitted to the reaction cup, thereby improving the mixing effect of the blood sample and the detection reagent in the reaction cup, and further improving the accuracy of the detector.

The application discloses a flexible carbon nanometer net film material and a preparation method thereof, and belongs to the technical field of nanometer fiber electrode materials. The preparation of the flexible carbon nanometer net film material comprises the following steps: dissolving a polymer in a solvent A to obtain a solution B; ultrasonically dispersing the solution B in a solvent C to obtain a spraying net emulsion; wherein the solution B and the solvent C are immiscible; performing electrostatic spraying on the spraying net emulsion to obtain a polymer nanometer net film; performing pre-oxidation on the polymer nanometer net film; applying longitudinal and transverse tension to the polymer nanometer net film under a protective atmosphere; calcining the polymer nanometer net film; and cooling the polymer nanometer net film to obtain the flexible carbon nanometer net film material. The flexible carbon nanometer net film material has an efficient conductive network, exhibits excellent conductive performance and flexibility, and has a wide application in the fields of wearable devices, flexible sensors, energy storage devices and biomedical devices.

The invention discloses a 3D printing manufacturing method of metal molybdenum and application of the 3D printing manufacturing method of the metal molybdenum in manufacturing of biological medical equipment. The 3D printing manufacturing method of the metal molybdenum comprises the steps that spherical molybdenum powder is loaded into 3D printing equipment for 3D printing manufacturing forming, the scanning power of 3D printing is 380-420 W, the scanning speed is 500-800 mm / s, the scanning layer thickness is 20-40 microns, the scanning interval is 70-100 microns, and the laser energy density is 118-280 J / mm < 3 >. The spherical molybdenum powder is used as the raw material, and metal molybdenum with high density, tensile strength sigma b, yield strength sigma 0.2 and elasticity modulus can be prepared by adopting a proper 3D printing forming process.

An implantable device configured to be used within a human body that includes a plurality of electrodes positioned between at least one encapsulation layer and an outer film layer. The outer film layer is configured to flex or stretch and including a biocompatible material.

Described are polymerizable high energy light absorbing compounds. The compounds absorb various wavelengths of ultraviolet and / or high energy visible light and are suitable for incorporation in various products, such as biomedical devices and ophthalmic devices. Such devices exhibit a number of desirable properties, including providing wearers with favorable optical quality.

The invention belongs to the technical field of biomedical equipment, and relates to a tongue picture electronic observation mirror based on traditional Chinese medicine inspection diagnosis, which comprises a box body and a face fitting opening. A transparent flexible isolating membrane is arranged in the box body and divides the inner cavity into an equipment cavity and an inspection cavity, and the image acquisition and light supplement device is arranged in the protected equipment cavity. A ventilation and purification device is arranged in the examination cavity, and an environment sensor and a human body induction sensor are arranged. And the control unit automatically executes a cooperative control process of firstly starting the ventilation and purification device to disinfect and purify the examination cavity, then driving the automatic rolling and replacing device to update a section of isolating membrane after the environment reaches the standard and finally recovering the micro-positive pressure state in the examination cavity after each time of use according to a sensor signal. Through deep integration of physical isolation, dynamic purification and intelligent control, lasting protection of core equipment is achieved, cross infection is completely eradicated, and clearness and standards of tongue pictures are guaranteed under various use conditions.

The utility model relates to the technical field of biomedical equipment, and discloses a cooling instrument which comprises a cooling instrument shell, a top cover and a control panel, an opening is formed in the upper end of the cooling instrument shell, a Stirling cryocooler is arranged in the cooling instrument shell, a heat preservation frame is arranged at the opening in the upper end of the cooling instrument shell, and a containing frame is arranged in the heat preservation frame. An air inlet is formed in the upper end of the side wall of one side of the cooling instrument shell, and a dustproof assembly is arranged on the side wall of the cooling instrument shell and located at the air inlet. According to the cooling instrument, by arranging the filter screen, external dust and garbage can be effectively filtered, the two L-shaped clamping strips are pressed to be close to each other, when the ends of the L-shaped clamping strips are separated from the clamping grooves, and then the L-shaped clamping strips are pulled outwards, the filter screen can be effectively taken out, and the filter screen can be conveniently cleaned or replaced in time.

The utility model discloses a composite nanofiber membrane with an adjustable structure, which comprises a tensile deformation middle layer, and electrostatic spinning polyurethane nanofiber membrane layers are arranged on the upper side and the lower side of the tensile deformation middle layer. According to the utility model, the 3D printed honeycomb-like middle layer is introduced, so that the material is endowed with remarkable tensile expansion performance and three-dimensional deformation capability. By adjusting geometric parameters (such as unit density and size) of the honeycomb structure, mechanical property customization of the membrane body in different application scenes is realized, and the membrane body can adapt to various complex use conditions, such as high strength and deformability required in flexible electronic and biomedical equipment.

The application discloses a battery-free flexible implantable deep brain stimulator, a system and a preparation method, and belongs to the field of implantable biomedical devices. The application comprises: the piezoelectric device is used for receiving a pulse ultrasonic signal with a fundamental frequency of 1MHz emitted by an extracorporeal ultrasonic generator, and generating an alternating current signal consistent with the stimulation frequency and stimulation duration of the pulse ultrasonic signal through a piezoelectric effect; the rectifier circuit is used for converting the alternating current signal into a direct current signal; the stimulation electrode is used for acting the direct current signal on a target brain area; and the piezoelectric device is composed of a piezoelectric array of a plurality of square Sm-doped PMN-PT piezoelectric single crystal bulk materials with a center frequency of 1MHz. The application adopts the square Sm-doped PMN-PT piezoelectric single crystal bulk material with a center frequency of 1MHz to form the piezoelectric array, and due to the adoption of the Sm-doped PMN-PT array with a specific structure, the maximum output power can be obtained in the resonant state of the resonant frequency of 1MHz, so that wireless, battery-free and safe real-time deep brain stimulation is realized.

The present application discloses a conductive high-strength diamond / amorphous carbon composite material and a preparation process thereof. The diamond / amorphous carbon composite material is composed of an amorphous carbon continuous phase and multiple separate diamond phases embedded in the amorphous carbon continuous phase, wherein the diamond phases exhibit an ordered sp3 hybrid state, and the amorphous carbon continuous phase exhibits a disordered sp2 hybrid state. The present application further discloses a process for preparing the above diamond / amorphous carbon composite material. The process comprises using sp3 carbon powder or glassy carbon as a raw material to obtain the above-mentioned material by sintering. The diamond / amorphous carbon composite material shows good electrical conductivity, good electrical discharge machining ability, good chemical stability and light weight, and has broad application prospects in aerospace, automobile industry and biomedical equipment.

The present application relates to the technical field of biomedical equipment, and particularly provides a blood type detector, aiming to solve the problem of low automation degree of the existing blood type detector, resulting in poor user experience. To this end, the blood type detector comprises a shell, a feeding device and a sample filling device installed in the shell, the feeding device comprises a feeding mechanism and a fixing mechanism for carrying a blood collection tube, the feeding mechanism can move with the fixing mechanism and the blood collection tube fixed on the fixing mechanism to make the blood collection tube communicate with the sample filling device, the sample filling device can fill the blood sample in the blood collection tube into a reaction cup, and the feeding mechanism can also cooperate with the sample filling device to unload the blood collection tube on the fixing mechanism from the fixing mechanism. Through such a setting, the detector of the present application can automatically complete the feeding and unloading of the blood collection tube, thereby improving the automation degree of the detector.

The invention relates to the technical field of biomedical equipment, and particularly provides a blood separation workstation. Specifically, the blood separation workstation comprises a storage device, a pipetting device, a centrifugation device, a visual quality control device, a first uncovering device, a second uncovering device, a first transfer device and a second transfer device, the storage device is used for storing blood samples and consumables, the first uncovering device is used for uncovering blood collection tubes, and the second uncovering device is used for uncovering blood collection tubes. The first transfer device can move out the blood collection tubes in the storage device; the pipetting device can transfer blood in the blood collection tube into the centrifugal tube, and the centrifugal device is used for centrifuging the blood; the visual quality control device is used for collecting and identifying layered images of blood, the pipetting device can respectively move out the layered blood, and the second cover opening device is used for opening and closing a cover of the centrifugal tube; and the second transfer device can transfer the centrifugal tube. According to the blood separation workstation, blood separation work can be automatically achieved, and the working efficiency and quality of blood separation are improved.

The present application is applicable to the field of biomedical equipment, and provides an airway opening detection system, method, device, storage medium and program product. The airway opening detection system includes a gas detection device and a data processing device, and the data processing device includes a display and a control device. The gas detection device can be inserted into the throat of the object to be detected, and is used to detect the gas flow rate at different positions in the throat, obtain the gas flow rate at different positions in the throat and send it; the control device receives the gas flow rate at different positions detected by the gas detection device, and controls the display to display the gas flow rate at different positions on the interface, determines the airway opening position according to the gas flow rate at different positions, and controls the display to highlight the airway opening position, which can quickly and accurately determine the airway opening position, so that the user can conveniently perform the insertion operation of the relevant instrument under the guidance of the gas detection device, thereby improving the efficiency and success rate of instrument insertion.

Equipment for the support of biomedical devices comprises a supporting frame; a first supporting device / apparatus / unit / component / structure or the like of a first biomedical device associated with the supporting frame; a second supporting device / apparatus / unit / component / structure or the like of a second biomedical device, of the type of a magnetic drive centrifugal pump provided with at least one rotor element and with motor device / apparatus / unit / component / structure or the like for the rotational actuation of the rotor element, associated with the supporting frame, one or more electrical connectors that can be connected to the electrical user points; at least one control and command unit operatively connected to the connectors and configured to process the data coming from the connectors; and a rechargeable power supply device / apparatus / unit / component / structure or the like associated with the supporting frame and electrically connected at least to the control and command unit.

Systems, computer programs, devices, and methods that enable coordination across multiple devices of the mobile ecosystem. In one embodiment, smart glasses detect when a user is about to eat food or take a drink and capture the consumable and portion. The data is recorded in a “morsel track” for health activity analysis. Low-fidelity captures provide preliminary recognition, while higher-fidelity captures are selectively invoked for definitive classification. Machine-learning logic generates predicted metabolic responses, such as real-time glucose trends, based on the recorded events. Predicted responses may dynamically adjust the operation of continuous glucose monitors, heart-rate sensors, or other biomedical devices. In some embodiments, the system triggers a pharmaceutical dispenser, such as an insulin pump, inhaler, or transdermal patch, to provide closed-loop therapeutic intervention in real time.

The present application relates to a fully automatic liquid-based cell preparation and staining machine, which relates to the technical field of biomedical equipment; it includes a frame, a mounting rod is provided on the frame, and a plurality of placement slots for glass slides are provided along the length direction of the mounting rod, and a fixing piece is provided on the side wall of the mounting rod for fixing the plurality of glass slides to the inner walls of the corresponding placement slots, a movable slot is provided on the frame along the horizontal direction, a movable motor is provided on the inner wall of the movable slot, a movable screw rod is connected to the output end of the movable motor, a movable block is provided on the side wall of the movable screw rod, the movable block is slidably connected to the inner wall of the movable slot, a support hole is provided on the side of the movable block away from the mounting rod, a dyeing tube is provided on the inner wall of the support hole, a locking piece is provided between the dyeing tube and the movable block, and a liquid squeezing piece is provided on the movable block for pushing the dyeing liquid in the dyeing tube to move along the inner wall of the dyeing tube in a vertical direction; the present application has the effect of improving the work efficiency of the staff.

The invention belongs to the field of polymer membrane ion selective electrode sensitive membranes, and particularly relates to a bifunctional polymer membrane and application thereof in preparation of a potentiometric sensor. The bifunctional polymer membrane comprises the following components in parts by weight: 0.05-10 parts of an ion exchanger and 10-90 parts of a sensitive membrane matrix of a grafted ion carrier, wherein the sensitive membrane matrix of the grafted ion carrier is a fluorine-containing methacrylate polymer of the grafted ion carrier. According to the method disclosed by the invention, a novel fluorine-based sensing membrane ion selective electrode is constructed, so that the problem of biological fouling when a sensitive membrane of a traditional polymer membrane ion selective electrode is applied to a biological fluid is avoided, and meanwhile, the problems of electrode performance reduction and toxicity to a to-be-detected object caused by reagent seepage of the traditional sensitive membrane are eliminated; and the stability, the service life and the biocompatibility of the electrode are effectively improved. The method is of great significance in application of a potentiometric sensor of a polymer sensitive film substrate in biomedical equipment.

The invention discloses magnetic chitin-based composite hydrogel with high toughness and high conductivity and a preparation method of the magnetic chitin-based composite hydrogel. According to the preparation method, a bio-based natural polymer material chitin is taken as a main raw material, the bio-based natural polymer material chitin is compounded with a magnetic conductive Fe3O4 / C micromolecular carbon material, and a magnetic field assisted orientation strategy is innovatively adopted, so that the chitin-Fe3O4 / C composite hydrogel (CEF) with an oriented nanostructure is successfully prepared. The obtained hydrogel has excellent mechanical flexibility and high conductivity, and can be applied to preparation of flexible electronic systems (including electronic skin interfaces and advanced wearable biomedical equipment).

The utility model discloses a platform deck, transfer device and warehousing system relates to biomedical equipment technical field, platform deck includes base station and drive mechanism, base station includes first rail and second rail, the extension direction of first rail is perpendicular to the extension direction of second rail, drive mechanism includes drive subassembly, follow-up subassembly and carrier plate, the follow-up subassembly is equipped with follow-up subassembly, and the carrier plate is equipped with follow-up subassembly. The driving assembly is slidably arranged on the first rail, the follow-up assembly is slidably arranged on the second rail, the driving assembly is connected to the carrier plate and can drive the carrier plate to rotate, and the carrier plate is rotatably connected to the follow-up assembly; wherein the driving assembly drives the carrier plate to rotate relative to the base station, and the carrier plate pushes the follow-up assembly to slide along the second rail and further drives the driving assembly to slide along the first rail. The utility model aims to improve the positioning accuracy in the rotating and reversing process through the carrying platform and improve the transfer efficiency.

This application discloses a stackable incubator, belonging to the field of biomedical equipment technology. It provides a stackable incubator with multiple independent units, including a configuration rack and several unit boxes. The configuration rack includes a back panel with a large magnetic plate fixedly connected to it. The lower end of the back panel has a support plate, and the upper surface of the support plate has a bottom guide rail in the front-to-back direction. The main body of each unit box is a rectangular box, with a small magnetic plate fixedly connected to its back. The bottom surface of the rectangular box has a front-to-back sliding groove, and the top surface has a front-to-back sliding strip. The top sliding strip of one rectangular box is adapted to cooperate with the bottom sliding groove of another rectangular box to form a sliding pair. This application, by setting multiple independent unit boxes within the configuration rack, with each unit isolated and independently powered, allows for the setting of various independent environments within the same space, making it suitable for the cultivation of more biological materials.

The invention relates to a cell culture cabin suitable for small-size equipment and a control system of the cell culture cabin in the biomedical equipment technology, and the cell culture cabin comprises an environment cabin in which an environment cavity is formed; the culture cabin is arranged in the environment cavity and is used for fixing a culture dish; the temperature detection and regulation system is connected to the environment cavity and is used for detecting, regulating and controlling the temperature of the environment cavity; the humidity detection and regulation system is connected to the environment cavity and is used for detecting, regulating and controlling the humidity of the environment cavity; and the carbon dioxide detection and regulation system is connected to the environment cavity and is used for detecting and regulating the carbon dioxide concentration of the environment cavity. According to the cell culture cabin suitable for the small-size equipment and the control system of the cell culture cabin, parameters such as temperature, humidity and carbon dioxide concentration can be accurately regulated and controlled, and stable and appropriate growth conditions are provided for cell culture.

A non-transitory, computer-readable medium storing instructions thereon that, when executed by one or more processors of a computing system, cause the computing system to perform operations comprising: generating a point cloud of coordinate points based, at least in part, on positional sensor data captured using a position sensor, wherein the positional sensor data is associated with one or more positions of a biomedical device within an anatomic region of a patient; receiving first image data of patient anatomy captured using an image capture device positioned within the anatomic region; receiving second image data of the anatomic region, wherein the second image data is generated based, at least in part, on preoperative or intraoperative imaging of the anatomic region; generating a registration between at least a portion of the point cloud with at least a portion of the second image data; and updating the registration based, at least in part, on the first image data.