15results about How to "Stability protection" patented technology

This invention discloses a protective garment for epicondylitis of the humerus based on an antibacterial and thermally conductive composite material, belonging to the field of medical protective gear technology. It includes a forearm support and an upper arm support, which are rotatably connected by an adjusting mechanism. The upper arm and forearm sleeves are 3D printed using an antibacterial and thermally conductive composite material, which comprises a polylactic acid matrix, a graphene oxide-silver nanoparticle-carbon nanotube ternary composite filler, and phase change microcapsules, with a thermal conductivity of 1.5-4.0 W·m. ‑1 ·K ‑1 With an antibacterial rate of ≥95%, it solves the problems of poor thermal conductivity, lack of antibacterial properties, and uneven heat therapy in existing protective gear.

The utility model discloses a kind of electric power cable distribution box capable of realizing cable butt joint, including box, the both sides of box are fixedly installed with several installation rings, the top of box is fixedly installed with ceiling, the bottom of ceiling inner cavity is fixedly installed with air pump, the inside of ceiling is fixedly installed with folding pipe, several air holes are arranged in the inside of folding pipe, the inside of folding pipe both ends is fixedly installed with metal mesh plug, the inside of box is fixedly installed with two groups of mounting plate, box inside is fixedly installed with clamping wire tube. By the air pump being set, the input end of air pump extracts the airflow inside box, airflow enters the cone box inside through the air hole of bottom plate at this time, and enters the air pipe inside through through-hole, after filtering sundries and dust by the metal mesh cylinder and dust filter cylinder in the air pipe inside, airflow is introduced into the box inside, airflow enters the inside of folding pipe through air hole, and is discharged to outside through folding pipe, increase the heat dissipation efficiency and protection degree, overall use effect is good.

A glass-wrapping foam mechanism includes a support base, a lifting structure, a first fold foam structure, a second fold foam structure, and a positioning component. The positioning component is fixed to a first positioning support seat and a second positioning support seat below, both of which are fixed to the support base below. The lifting structure is located between the first and second positioning support seats and includes a transfer base plate. One end of the first fold foam structure is fixed to the lower end of the transfer base plate along the Y-axis, and one end of the second fold foam structure is fixed to the lower end of the transfer base plate along the other direction of the Y-axis. This invention is used for packaging stacked mobile phone glass with protective foam for stacked mobile phone glass. It has high overall work efficiency, can quickly complete the protective foam action, and can provide more stable protective foam for glass packaging. It can avoid the safety problem of scratching the glass during packaging, thereby improving product quality and increasing production capacity.

This invention provides a fusion protein and a corresponding mRNA delivery system and applications. The amino acid sequence of the fusion protein is shown in SEQ ID NO.1. The mRNA delivery system comprises a cationic polymer, the aforementioned fusion protein, and mRNA. The cationic polymer can encapsulate and protect the negatively charged mRNA by neutralizing it. The 3'UTR terminus of the mRNA binds to the C-terminus of the L7Ae protein in the fusion protein, and the Listeriolysin O terminus of the fusion protein is linked to the N-terminus of the L7Ae protein. This invention also provides the application of the aforementioned fusion protein in the preparation of mRNA delivery systems, and the application of the aforementioned fusion protein or the aforementioned mRNA delivery system in the preparation of mRNA transfection reagents, mRNA drugs, or mRNA vaccines. The novel fusion protein can be prepared in large quantities with high yield and controllable quality. This novel mRNA delivery system has a simpler composition, a simpler preparation process, and lower cost. Moreover, in this novel mRNA delivery system, the mRNA is encapsulated and protected by a cationic polymer (such as protamine), making it more stable.

The invention belongs to the technical field of biological medicine, and discloses an enteritis targeted probiotic delivery system and a preparation method and application thereof, the system comprises: i) a recombinant plasmid for coding an anti-inflammatory functional protein, the plasmid comprising an anti-inflammatory peptide fragment, a surface protein modification and an antibiotic switch; ii) Escherichia coli chassis bacteria which are subjected to genetic engineering modification and have the capability of high yield of outer membrane vesicles; and iii) introducing the recombinant plasmid into the escherichia coli chassis bacterium to obtain a recombinant engineering bacterium. The delivery system disclosed by the invention can target intestinal inflammation parts, deliver anti-inflammatory proteins through the outer membrane vesicles, and specifically release anti-inflammatory factors in an inflammation microenvironment, so that intestinal inflammation response is relieved; according to the present invention, the method can achieve the precise targeting on the intestinal inflammation, can effectively control the remote delivery and the continuous secretion of the anti-inflammatory protein in space and time, has advantages of strong targeting property, lasting effect, small side effect and the like, and provides the new strategy for the safe and efficient treatment of the intestinal inflammation diseases.

This utility model discloses an airflow homogenization module, comprising: a coupling seat with an air inlet; a homogenization module installed inside the coupling seat, with a first annular air passage between the homogenization module and the coupling seat, the first annular air passage being connected to the air inlet; a protection module installed inside the homogenization module, with a second annular air passage between the homogenization module and the protection module, the second annular air passage being connected to the first annular air passage; gas enters the first and second annular air passages sequentially from the air inlet, and the gas achieves a homogenized state in the second annular air passage. This utility model, through the combination of the first and second annular air passages, can achieve sufficient homogenization of the protective gas, enabling the protective gas to form a stable protective gas field around the coupled energy beam, thereby improving the stability and shaping effect of the coupled energy beam.

This utility model belongs to the field of power distribution technology, specifically relating to a circuit device with progressive overpower protection and a wireless fast charger. The circuit device includes: an input rectifier unit, a power conversion unit, a feedback control unit, an overpower protection trigger unit, and an output unit. The overpower protection trigger unit is configured to output an overpower protection signal to the feedback control unit when the output power of the output unit exceeds a threshold. The feedback control unit is also configured to output a corresponding control signal to the power conversion unit. By setting an overpower protection trigger unit between the feedback control unit and the output unit, this utility model can gradually reduce the output voltage and gradually increase the current when the output power of the output unit is abnormal, until the voltage drops below 3.3V to trigger the cut-off protection. This avoids the impact of direct power failure on the load, overcomes the problem of abnormal load operation and data loss caused by direct power failure, and achieves a smoother protection process.

This invention relates to the field of medical device technology and discloses a pressure-adaptive ankle brace, comprising a first fastening part, an ankle protection part, and a second fastening part connected in sequence. The first fastening part is a transversely elongated structure that wraps around and fixes the upper part of the ankle. The second fastening part includes a first sub-strap and a second sub-strap, which pass through the sole of the foot and adhere to the first fastening part to secure the ankle. The first and second fastening parts are each equipped with adhesive components. A pressure sensor is provided in the inner layer of the ankle protection part. This invention changes the passive restraint mode of traditional ankle braces, achieving real-time pressure sensing and response.

The utility model discloses a three -dimensional intelligent sheep body tape measure device, related to sheep body tape measure technical field, including horizontal axis dimension measuring stick, the middle position of horizontal axis dimension measuring stick bottom is rotatively connected with the measuring stick connecting hinge, and the lower extreme of horizontal axis dimension measuring stick outside measuring stick connecting hinge is provided with longitudinal axis dimension measuring stick, the lower extreme rotatively connected with vertical dimension measuring stick of longitudinal axis dimension measuring stick. This three -dimensional intelligent sheep body tape measure device, through each dimension measuring stick has ultrasonic detection probe, can realize non - contact precision determination body tape, can through data storage and central control storehouse's USB interface and export data to computer end charge, and electronic ear mark read -write ware can automatically identify the sheep that has worn RFID electronic ear mark and record ear number, sheep ear number information and performance determination data match, convenient after determination end will body tape performance determination data direct export to computer end.

The utility model provides a multi-element magnesium-based hydrogen storage alloy preparation device. The preparation device comprises a reaction chamber, the rapid quenching pressure unit is arranged in the reaction chamber and comprises a gas inlet pipeline and a swirling gas pipeline, at least part of the gas inlet pipeline extends out of the reaction chamber, and the swirling gas pipeline is obliquely arranged at an inclination angle of 45 degrees relative to the gas inlet pipeline; the smelting and rapid quenching unit is arranged in the reaction chamber; the smelting and rapid quenching unit comprises a drip-type crucible arranged in the reaction chamber, a reaction product is stored in the drip-type crucible, and the inlet end of the drip-type crucible is communicated with the gas outlet end of the swirling gas pipeline, so that inert gas is conveyed into the drip-type crucible through the obliquely arranged swirling gas pipeline; applying uniform pressure to the reaction product in the molten state in the dripping type crucible, so that the reaction product drips out from the bottom of the dripping type crucible; the problem that in the prior art, the pressure applied to the to-be-reacted material is not uniform due to airflow formed by conveying inert gas into the to-be-reacted material is solved.

This utility model relates to the field of straight seam welded pipe technology, and proposes a straight seam welded pipe with an external protection structure. The pipe includes a pipe body with an external protection structure installed on it. The external protection structure includes an outer plate, protective cylinders, protective rings, an adjustment assembly, an adjustment component, an adjustment component, and a limiting pad. A protective groove is formed at the top of the outer plate, and an anti-slip pad is fixedly connected inside the groove. Multiple protective cylinders are in contact with the anti-slip pads, and the pipe body is located on the upper side of the outer plate. Multiple protective cylinders are arranged in an array on the outer plate, and the pipe body is connected to the multiple protective cylinders through them. A sponge pad is fixedly connected to each of the multiple protective cylinders, and each sponge pad has a through-hole matching the pipe body. Two protective rings are movable towards each other inside each protective cylinder. This technical solution solves the problem in the prior art where it is inconvenient to adjust the external protection range according to the specifications of the straight seam welded pipe.

The present application relates to a kind of based on lattice blind signature and the transaction method of fragmented blockchain, comprising: according to the input of transaction, the Merkle tree of sharding leader is generated, the Merkle tree is blinded according to the public key of other nodes, sharding leader node executes unblinding algorithm and generates blind signature, other nodes are verified and adopted to blind signature, leader node collects the blind signature of all other nodes and does BFT consensus result verification, and the commitment signature of Merkle tree root is generated after verification;The information of each input and the commitment signature of Merkle tree root are sent to the leader of other input-output sharding of relevant transaction to determine whether the input of transaction is available, correct transaction is put into valid transaction pool;Sharding leader packs correct transaction into block and broadcasts to other nodes, carries out BFT consensus, completes block chain, and updates the transaction input state in utxo pool, and completes transaction.

The utility model discloses an anti -fall air bag clothes. Among them, including: the upper garment body and the trousers body, its characterized in that still includes the first air bag and head air bag of intercommunication, first air bag and head air bag inlay in the upper garment body, first air bag covers the chest and back of upper garment body, head air bag covers the head of upper garment body, still include the second air bag, second air bag inlay in trousers body, second air bag covers the hip and leg of trousers body, second air bag both ends respectively to the knee air bag of setting of extending of trousers body is linked together with second air bag respectively, first air bag and second air bag all are equipped with the gas cylinder, still include the induction module for detecting the human body fall state, the gas cylinder is connected with induction module electricity, through first air bag and head air bag cover the key area of upper garment, second air bag covers the key area of trousers, and extends to the knee air bag, forms the comprehensive protection.

The utility model discloses a buffer type anti-collision staircase, relates to the technical field of buildings, and aims to solve the problem that a part of existing staircases are easy to cause falling down and people are severely injured during use. According to the technical scheme, the stair is characterized by comprising a stair body and a plurality of stairs fixedly connected with the stair body, elastic buffering parts which cover the treads of the stairs and can elastically deform in the vertical direction are arranged on the treads of the stairs, and anti-skid pieces which can slide in the vertical direction and penetrate out of the top faces of the elastic buffering parts are arranged on the elastic buffering parts close to the sides of the treads. Through the arrangement of the structure, the overall buffering and anti-collision performance of the structure is enhanced.

The present application relates to ionizable lipid molecules containing a tocopherol structure, lipid nanoparticles comprising the same and uses thereof. Specifically, an ionizable lipid molecule containing a tocopherol and derivatives thereof structure represented by formula (1), lipid nanoparticles comprising the same, methods of preparation and uses thereof are provided. Compared with ionizable lipid molecules conventionally used in the art, the lipid nanoparticles prepared from the ionizable lipid molecules represented by formula (1) of the present application can significantly improve the delivery efficiency and expression of nucleic acids.