13 results about "Injection site" patented technology

The invention relates to injectable cross-linked collagen gel and a preparation method thereof. Two crosslinking strategies of self-crosslinking and crosslinking agent crosslinking are fused together for the first time, and two types of amido bonds, namely amido bonds of a collagen-collagen structure (A) and amido bonds of a collagen-fatty amine-collagen structure (B), are respectively constructed through two crosslinking paths, namely catalysis of collagen polypeptide self-crosslinking and catalysis of fatty amine crosslinking, so that a hard / soft dual crosslinking network is obtained. The relative proportion of the structure A and the structure B in the final product is adjusted through a proper cross-linking process, so that the strength and the stability of the final product are adjusted and controlled, and the use requirements of different injection parts can be met.

1. The name of the design product: insulin injection simulation artificial skin. 2. The use of the design product: the product is mainly used to demonstrate injection site selection and injection process in subcutaneous injection education process. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: perspective view. 5. The design for which protection is sought contains color. 6. The back of the design product is a part that is not easy to see or cannot be seen during use, and the rear view is omitted.

The utility model relates to the technical field of zipper production and processing, in particular to a zipper production and processing combination machine. The combined machine comprises a combined machine body, an injection molding opening is formed in the surface of the combined machine body, a protection device is arranged on the surface of the injection molding opening, the protection device comprises two square rods, the two square rods are fixedly connected with the surface of the injection molding opening, and the sides, close to each other, of the two square rods are rotationally connected with rotating rods; the arc surface of the rotating rod is fixedly connected with a protection plate, the surface of the protection plate is fixedly connected with a handle, and the surface of the square rod is fixedly connected with a square block. The problems that when the injection molding opening is not used for a long time, impurities such as dust in air are attached to the surface of the injection molding opening, the dust enters the injection molding portion of the zipper teeth, the shapes of the zipper teeth are possibly irregular, the zipper teeth are not tightly meshed, and therefore the zipper teeth are prone to being disengaged and the zipper is not smoothly zipped when the zipper is used are solved.

This invention relates to an artificial intelligence-based method and system for segmenting ultrasound-guided injection sites, belonging to the field of image processing technology. It includes the following steps: acquiring an image of the ultrasound-guided injection site and annotating the image with a segmentation mask; preprocessing the annotated image; constructing an ultrasound-guided injection site segmentation model, the model including a coarse segmentation module and a fine segmentation module; the coarse segmentation module adopts a U-Net network architecture, and the fine segmentation module includes an edge refinement unit and a second feature fusion unit; inputting the preprocessed image into the ultrasound-guided injection site segmentation model for training; optimizing the model using a loss function during training to obtain a trained model; inputting the image of the ultrasound-guided injection site to be detected into the trained model to obtain the ultrasound-guided injection site segmentation result. This invention can enhance the robustness of the ultrasound-guided injection site segmentation model and improve the accuracy of ultrasound-guided injection site segmentation.

An embodiment of a resettable injection training device is provided including a housing defining a receptacle having an opening, including a top side and a bottom side, a resettable, removable container receivable within the receptacle including a stopper that is movable within the container. The device also includes an actuation member configured to simulate actuation of an injection device, one or more sensors comprising a container sensor for detecting receipt of the container within the receptacle, a safety latch extending from the bottom side of the device, said safety latch for contacting an injection site, and a processor for detecting a condition of the one or more sensors, and optionally, providing feedback based on the condition detected. In a further embodiment, the device includes an adhesive associated with the housing for affixing the housing onto the injection site during use of the device.

The application provides a fast-acting flunixin meglumine injection and a preparation method thereof, and belongs to the technical field of veterinary medicine, and contains the following components: flunixin meglumine 5-10 (w / v) %, alpha-pyrrolidone 10-30 (w / v) %, hydrophilic solvent 0.5-1 (w / v) %, antioxidant 0.1-0.3 (w / v) % and the balance of water for injection. The application takes flunixin meglumine as the main drug, matches alpha-pyrrolidone as a solvent and a targeting guide distribution component, uses a hydrophilic solvent to assist dissolution and promote absorption, and uses an antioxidant to inhibit the oxidative degradation of the main drug, so that the dissolution and absorption rate of the main drug and the target tissue distribution efficiency can be effectively improved, the storage stability can be ensured, the bacterial endotoxin and the injection site redness rate meet the requirements, the acute inflammation and pain of livestock and poultry can be quickly and efficiently relieved, and the demand for instant intervention in large-scale breeding can be met.

A device for drug delivery includes a casing for housing a drug storage container including a dose delivery member. At least a portion of the dose delivery member extends through an opening in the casing. A guard is movable relative to the casing between an extended position and a retracted position. An interference arrangement provides a selected threshold of resistance to movement of the guard from the extended position to the retracted position during insertion of the dose delivery member into body tissue at an injection site. The interference arrangement has a first member and a second member engaging one another to retain the guard in the extended position. One of the first member and the second member moving if the selected threshold of resistance is exceeded to allow the first member and second member to slide past one another to allow the guard to move into the retracted position.

The utility model belongs to the technical field of flue gas purification, and relates to a device for improving calcium-based dry desulfurization efficiency by dynamically jetting nanofluid, which comprises a nanofluid supply facility, a nanofluid ejector and a control system, the nanofluid supply facility comprises a nanofluid generator, a nanofluid conveying switch valve, a fluid pump, a nanofluid spraying time control electromagnetic valve, a nanofluid spraying flow control regulating valve and a nanofluid spraying site switch valve which are sequentially connected in the flowing direction of nanofluid. An outlet of the nanofluid injection site switch valve is connected with the nanofluid injector; the nano-fluid generator, the nano-fluid conveying switch valve, the nano-fluid spraying time control electromagnetic valve, the nano-fluid spraying flow control regulating valve and the nano-fluid spraying site switch valve are all connected with a control system; the nano-fluid ejector is arranged in a flue gas pipeline, is a multi-fluid ejector and is at least provided with more than two groups of forward-spraying / reverse-spraying injection heads.

The present application relates to a kind of micro-nano bubble liquid targeting injection system suitable for contaminated groundwater in-situ remediation, injection subsystem is prepared with micro-nano bubble liquid preparation mechanism Micro-nano bubble liquid, micro-nano bubble liquid is injected into injection well, with targeting injection device Micro-nano bubble liquid is targeted to injection into injection well, injection site adjusting mechanism Micro-nano bubble liquid is targeted to injection into injection site;Extraction subsystem includes extraction well.The present application is directly acted on specified injection site with micro-nano bubble liquid, effectively constructs underground oxidation environment, promotes microbial action, the energy generated by the breakage of micro-nano bubble promotes the generation of hydroxyl radical in groundwater, oxidizes and degrades pollutants, and the toxicity of byproduct is low, clean and green;Promote the effective contact of micro-nano bubble liquid and pollutants and its mass transfer in formation, improve the action efficiency of micro-nano bubble liquid;Overcome the shortcoming that different depth soil layer character is not the same, save engineering cost;Real-time monitoring is injection control feedback information.

A kind of intelligent insulin pen system with full-process and key operation voice prompt function, including insulin pen main body, pen cap is equipped on insulin pen main body, piston rod is equipped on the left end of insulin pen main body, liquid injection hole is opened in piston rod, connector is connected to the left end of piston rod, push motor is equipped on the left end of insulin pen main body, piston rod is drivingly connected with push motor, power module, microprocessor, vibration motor and temperature sensor are also equipped in insulin pen main body, injection button is equipped on the right end of insulin pen main body, display is equipped on insulin pen main body;After selecting smart device mobile phone and successfully connecting insulin pen system with smart device, open relevant interface, the relevant information of insulin pen system can be displayed, including insulin pen positioning, temperature, insulin pen cartridge installation time, residual quantity, injection frequency, recent three injection conditions, injection site atlas is displayed.The present application has simple structure and is convenient to use.

Provided is a system, method, and computer program product for determining a needle injection site. The method includes segmenting, with at least one computing device, an image of a sequence of images into at least one object based on a machine-learning model configured to estimate its uncertainty for each segmentation, generating, with the at least one computing device, a 3D model of the at least one object, and determining, with the at least one computing device, an insertion location of the at least one object based at least partially on an output of the machine-learning model.

A fluid handling system, method, and computer-readable storage medium are presented for controlling the flow and injection pressure of fluid injected into a subterranean void at an offshore injection site for long term storage. A subsea template receives fluid from a fluid storage arranged on a seabed in connection with at least two well heads for at least two drill holes to the void. For each drill hole, a first pressure gauge at the bottom opening of the drill hole measures a bottom pressure, PB. The template comprises a utility system causing received fluid to be injected into the void and includes a valve system with a choke valve for each drill hole to control the injection of fluid into the void in response to control commands (Ccmd) based on a pre-set desired flow rate for each drill hole and a pre-set lowest allowable flow rate from the fluid storage.

The invention discloses a design method for in-situ precise injection repair of a polluted site. The method comprises the following steps: step 1, investigating basic information of the site; 2, performing high-precision site investigation; step 3, partitioning the polluted site; step 4, setting and calculating partition injection parameters; 5, checking and optimizing partition injection parameters; step 6, performing partition accurate injection repair construction; and 7, repairing effect monitoring and optimization adjustment are carried out. According to the method, the polluted site is partitioned in the transverse direction and the longitudinal direction, and parameters such as the injection volume, the injection site number, the medicament preparation mass concentration and the like are determined in combination with high-precision investigation, so that accurate description of site characteristics in the partitions and accurate design of in-situ injection remediation of the polluted area can be realized; and meanwhile, by fusing the Internet of Things, artificial intelligence and a novel material technology, a sensing-decision-execution-verification closed-loop remediation system is constructed, and the method is suitable for soil and underground water remediation in various scenes such as organic pollution and heavy metal pollution.