196 results about "Injections sites" patented technology

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

The invention discloses a subcutaneous injection site detection and recommendation system based on an intelligent algorithm, and aims to improve the safety of long-term subcutaneous injection and the drug absorption efficiency and reduce the risk of related complications such as subcutaneous hemorrhage, subcutaneous induration and subcutaneous fat hyperplasia at the same time. Comprising a subcutaneous tissue detection module for acquiring subcutaneous vascular distribution, fat layer thickness and induration state of a target part through infrared imaging and ultrasonic technologies and generating subcutaneous tissue characteristic data; the data processing module analyzes the feature data by using an image recognition algorithm, and recognizes a blood vessel dense region, induration and a part where fat hyperplasia has occurred; the injection part recommendation module is used for evaluating an analysis result of the data processing module based on a machine learning algorithm in combination with personalized injection historical data of the patient, and generating an optimal injection part recommendation scheme avoiding a risk area; the intelligent imaging and data analysis technology is utilized, the subcutaneous injection part selection accuracy is improved, and the patient comfort and the treatment effect are improved.

The present disclosure provides a sub-assembly for a medicament delivery device, the sub-assembly comprising a housing extending from a proximal end to a distal end along a longitudinal axis, and a medicament delivery member guard arranged telescopically inside the housing. The medicament delivery member guard is arranged to move from a proximal position relative to the housing in which the medicament delivery member guard extends from the proximal end of the housing to a distal position relative to the housing. When in the distal position, a contact portion of the medicament delivery member guard extends further from the longitudinal axis than an outer surface of the proximal portion of the housing, so that, during an injection, contact between an injection site and the outer surface of the proximal portion of the housing is limited due to contact between said injection site and the contact portion of the medicament delivery member guard. The contact portion of the medicament delivery member guard comprises a protrusion and the housing comprises a corresponding cut-out in the outer surface of the proximal portion of the housing, the protrusion being arranged so that it extends through the corresponding cut-out when the medicament delivery member guard is in the distal position relative to the housing.

The invention discloses injection type facial filler composition gel for medical beauty as well as a preparation method and application of the injection type facial filler composition gel, and belongs to the technical field of biomedical materials. The composition gel comprises a combined gel matrix and polycaprolactone microspheres, wherein the combined gel matrix comprises an aqueous solution for injection, sodium carboxymethyl cellulose and human recombinant collagen; according to the composition gel, a combined gel matrix and polycaprolactone microspheres are mixed according to a specific proportion, amino acid residues of human-derived recombinant collagen in the combined gel matrix serve as binding sites of cell surface receptors to improve the cell recognition and attachment capacity of the polycaprolactone microspheres, and the amino acid residues are organically combined with sodium carboxymethyl cellulose to improve the cell recognition and attachment capacity of the polycaprolactone microspheres. The durability and biocompatibility of the shaping effect of the human-derived recombinant collagen at the injection site are improved; the composition prepared by the invention is good in gel fluidity, high in elastic modulus and high in dynamic viscosity, and can meet the expected mechanical and rheological properties of a facial filling agent for cosmetic and plastic surgery.

The invention provides an automatic injection device which comprises a needle bin system, a needle head system, a needle head system, a needle head system, a needle head system, a needle head system and a needle head system, the driving system is detachably connected with the needle bin system, the driving system is provided with a first-stage driving mechanism and a second-stage driving mechanism, the first-stage driving mechanism is used for driving an injection needle of the pre-filling injector to pierce an injection part, and the second-stage driving mechanism is used for driving an injection push rod of the pre-filling injector to move; and the liquid medicine is injected into the injection part through the injection needle. The automatic injection device can be repeatedly used, more importantly, the automatic injection device is further provided with the first-stage driving mechanism and the second-stage driving mechanism, the first-stage driving mechanism is used for puncturing the injection needle on the pre-filling injector into the body by a certain depth, and then the second-stage driving mechanism drives the injection push rod of the pre-filling injector to move; all the liquid medicine is injected into the injection part, time sequence control is achieved, and therefore the liquid medicine injection effect can be ensured.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

Devices and associated methods are described that provide needle extension / retraction with fine control, for in-situ needle advancement into biological spaces, thin cavities and tissues, such as those in the eye, for fluid / drug / material delivery or drainage. The device includes a distal end portion of the device with a lateral surface from which a needle extends when the lateral surface is adjacent to a biological surface, allowing injections in hard-to-reach locations, such as behind the eyelid and posterior to the superior or inferior orbital rim. In at least one embodiment, a needle advancement mechanism is also coupled to increase fluid pressure during fluid injection. In at least one embodiment light shone from the distal end portion of the device or through the needle bore helps to localize an injection site for a user looking inside the eye via changes in light intensity and / or light color depending on the needle tip depth.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

An auto-injector for administering a dose of a liquid medicament (M) is present having a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier is adapted to contain a syringe with a hollow injection needle. The injector also has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. A control spring is arranged around the carrier for translating the carrier in a proximal direction (P) for insertion of the needle through the chassis into an injection site.

The invention discloses a precise regulation and control injection device for extraocular muscle toxin, and belongs to the technical field of medical instruments. The precise regulation and control injection device for extraocular muscle toxin comprises a microneedle assembly, a handle, a suction head and an injection regulation and control part, wherein the injection regulation and control part is used for controlling the microneedle assembly to be connected with the suction head. When the precise regulation and control injection device for the extraocular muscle toxin is used, the micro-needle assembly can be in suction connection with the suction head arranged at the tail end of the handle through adjustment of the injection regulation and control part, so that in the process that an operator injects the extraocular muscle toxin to a patient, it is ensured that a micro-needle does not deviate or loosen in the injection process, and the injection efficiency is improved. The precise positioning of an injection part is ensured; and the injection regulation and control part can regulate the action range of the microneedle on the microneedle assembly to be more concentrated, so that the concentration of the action range of the medicine and the accurate delivery of the medicine to the target muscle layer can be ensured, the out-of-control diffusion of the medicine is avoided, and the risk of penetrating through the sclera is reduced.

An auto-injector for administering a dose of a liquid medicament includes an elongate housing arranged to contain a syringe with a hollow needle and a stopper for sealing the syringe and displacing the medicament, the housing having a distal end and a proximal end with an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring capable of, upon activation: pushing the needle from a covered position inside the housing into an advanced position through the orifice and past the proximal end (P), operating the syringe to supply the dose of medicament (M), and retracting the syringe with the needle into the covered position. After delivering the medicament, an activator arranged to lock the spring in a pressurized state prior to manual operation and capable of, upon manual operation, releasing the spring for injection.

An autoinjector is configured to allow a user to suspend delivery of a medicament upon first activation of the autoinjector, and thereafter resume delivery of the medicament. The dose fractionated administration autoinjector may be operated to deliver a total desired dose of drug at multiple stages and / or at multiple injection sites.

The present application relates to the technical field of veterinary biological products, in particular to application of oridonin in preparation of poultry vaccine adjuvant. The poultry vaccine adjuvant is composed of oridonin, solvent and buffer. Experiments prove that after mixing the poultry vaccine adjuvant with poultry inactivated vaccine (such as Newcastle disease vaccine) for immunization, the humoral immune level of poultry can be significantly improved (HI titer of 21d after the second immunization is increased by more than 1.5 log2), and the secretion level of specific IgY (systemic immunity) and IgA (mucosal immunity) in serum can be extremely significantly up-regulated, and the high level of antibody is maintained for more than 4 weeks longer than that of the conventional vaccine group. Compared with commercial adjuvant ISA 201, the present application has better immune enhancement activity, high safety, no adverse reaction at injection site, and wide clinical application prospect.

The invention discloses an insulin injection data management system, which relates to the technical field of medical health information and comprises a data acquisition module for acquiring injection operation data and blood sugar data from an insulin injection pen and lifestyle data input by a user; the intelligent analysis module is used for generating insulin dose recommendation information through a predefined dose calculation model on the basis of the injection operation data, the blood glucose data and the life style data, and generating injection site rotation recommendation information on the basis of injection site information in the injection operation data; the early warning prompt module is used for generating and outputting a dose early warning and a failure early warning based on dose information and temperature information in the injection operation data; and the medical care collaboration module is used for providing a data access interface for authorized medical care personnel and adjusting parameters of the dose calculation model based on remote instructions of the medical care personnel. And accurate and dynamic recommendation of dosage, scientific alternating guidance of injection parts and active early warning of dosage and failure are realized.

The invention relates to the technical field of intelligent injection, and particularly discloses an intelligent anesthesia injection system based on an electronic booster, which comprises a local blood vessel thickness feature extraction module for extracting local blood vessel thickness features of an anesthesia injection part; the initial injection speed determination module determines an initial injection speed based on local blood vessel thickness characteristics of an anesthesia injection part; the first injection propulsion module obtains pressure record data of the syringe needle in the piercing process, controls an electronic booster to conduct propulsion injection based on the initial injection speed, and meanwhile obtains pressure record data of the syringe needle in the injection process; the injection speed optimization module determines an optimized injection speed based on the pressure record data of the syringe needle in the piercing process, the pressure record data of the syringe needle in the injection process and the initial injection speed; the second propulsion injection module controls the electronic booster to carry out propulsion injection based on the optimized injection speed; the speed of anesthesia injection is intelligently determined, and the precision of anesthesia injection is improved.

The utility model relates to the field of medical auxiliary devices, in particular to an insulin injection site alternation prompting device, which is characterized in that four graphic sheets of a graphic sheet assembly on which four different regional patterns of a human body are drawn are fixedly connected to four side surfaces of a box body, and respective insulin injection permitting sites are drawn in the regions drawn by the four graphic sheets; setting a plurality of injection point positions with unique identification character codes in respective injection parts; the plurality of lamp beads are respectively arranged on the plurality of injection point positions; a plurality of injection positioning holes with identification character codes are respectively formed in four groups of positioning cards of the positioning clamping piece, the plurality of injection positioning holes are in one-to-one correspondence with a plurality of injection point positions of the graphic sheet combined piece, and the identification character codes of the plurality of injection positioning holes are the same as the identification character codes of the respective corresponding injection point positions; by means of automatic prompting of the device, a patient can be helped to timely master injection time and injection positions and injection points needing to be changed each time, and risks affecting the treatment effect can be reduced.

A fluid injection device having a body for coming into contact with an injection site (SI); at least two fluid reservoirs (210); and an injection needle (120) for penetrating into the injection site (SI) so as to inject therein the contents of one or more reservoir(s) (210); the device further has a single rotary actuator (130) that, when it turns in a first direction of rotation, activates the selection of the reservoir(s) (210) to be dispensed, and that, when it turns in the opposite direction, actuates a dispenser system, in particular a peristaltic pump (150).

Devices and methods are described for utilizing occlusive dressings in combination with topical medicaments to enhance the efficacy of vaccines. The occlusive dressing delivers a defined dose of a topical medicament that enhances the immune system responsiveness of the vaccine to the vaccination site and provides a barrier that maintains the topical medicament layer on the skin for a desired period of time while also providing a port through which the immunization composition can be administered. In some embodiments, the occlusive dressing comprises a wound dressing used to cover the injection site after vaccination.

This utility model discloses a porcine reproductive and respiratory syndrome virus (PRRSV) detection kit, relating to the field of detection kits. The PRRSV detection kit includes a kit body, a bracket at the bottom of the kit body, and a detection mechanism on the outside of the kit body. The detection mechanism includes a detection block disposed inside the kit body, a sealing block movably disposed above the detection block, and a fixing bracket movably engaged inside the bracket and movably disposed above the detection block, thus fixing the kit body and the bracket in place. This PRRSV detection kit allows for the determination of the injection site of the kit body without opening the kit body using the detection block. Subsequently, the sealing block sequentially seals the area above the kit body, and the moving fixing bracket secures all kit bodies above the bracket, reducing the complexity of this fixation method and ensuring that the use of the sealing block does not affect the overall fixation effect of the kit body and bracket.

The present invention relates to a non-vascular injection formulation comprising nanoparticles, the hydrodynamic diameter of which is adjusted to 2 to 20 nm and the surface charge of which is adjusted to-20 to 0 mV by hydration of hydrophilic functional groups exposed on the surface of the nanoparticles such that the nanoparticles do not permeate into or expel into the capillaries of the administration site, the nanoparticles are only selectively excreted into the peripheral lymphatic vessel, but only selectively excreted into the peripheral lymphatic vessel, wherein the nanoparticles: (i) themselves are therapeutic agents; and / or (ii) a carrier for other drugs, thereby providing a drug form in which the nanoparticles are expelled only into the peripheral lymphatic vessel when injected into a tissue region without intravenous administration, thereby extending the residence time at the injection site. Nanoparticles having adjusted hydrodynamic diameter and surface charge according to the present invention can be excreted from the body within a week after administration without any residue at the site of administration, when designed as contrast agents exhibiting a T1MRI contrast effect and injected into tissues in the vicinity of the blood vessel, the nanoparticles can be used as contrast agents that exhibit a T1MRI contrast effect. Peripheral and / or central lymphatic vessels may be selectively imaged without venous contamination.

CT angiography can be used to obtain a 3D anatomical model of one or more blood vessels in a patient, while simultaneously obtaining 2D images of the vessels based on perspective. The 3D model can be registered with the 2D images based on contrast agent injection sites identified on the 3D model and / or in the 2D images. A fused image can then be created to depict the overlaid 3D model and 2D image, for example, on a monitor or via a virtual reality headset. Injection sites can be determined automatically or based on user input, which may include bounding boxes drawn around the injection sites on the 3D model, selection of automatically segmented regions in the 3D model, etc.