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118 results about "Injections sites" patented technology

Injection type facial filler composition gel for medical beauty as well as preparation method and application of injection type facial filler composition gel

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.
Owner:GUANGDONG ZHUMEI BIOMEDICAL TECH CO LTD

Accurate regulation and control injection device for extraocular muscle toxin

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.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Auto-injector

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.
Owner:SANOFI AVENTIS DEUT GMBH

Application of oridonin in preparation of poultry vaccine adjuvant

PendingCN122140914AViral antigen ingredientsAntiviralsTGE VACCINENewcastle disease vaccine
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.
Owner:SHANGHAI JIAOTONG UNIV

Insulin injection data management system

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.
Owner:ANHUI PROVINCIAL HOSPITAL

Intelligent anesthesia injection system based on electronic booster

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.
Owner:SHENZHEN MEDTECH MEDICINE CO LTD

Insulin injection site alternation prompting device

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.
Owner:晋江市医院(上海市第六人民医院福建医院)

Fluid injection device

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).
Owner:APTAR FRANCE SAS

Devices and methods for enhancing the immunogenicity of intradermal vaccination

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.
Owner:VERSITECH LTD

A detection kit for porcine reproductive and respiratory syndrome virus (PRRSV)

ActiveCN224278130UDoes not affect the fixed effectreduce complexitySealingInternal fittingsPorcine reproductive and respiratory syndrome virusViral test
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.
Owner:CHENGDU NABI MICROTEK TESTING TECH SERVICE CO LTD

Systems and methods for medical image fusion

ActiveCN117218168BMedical simulationImage enhancementAuto segmentationNuclear medicine
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.
Owner:SHANGHAI UNITED IMAGING INTELLIGENCE CO LTD

Injection analgesia system

An injection analgesia system advantageously numbs a patient's skin around an injection site. An injection window guides a caregiver's injection placement to a relatively small area while allowing standard injection procedures to be followed, such as stretching the skin and puncturing the site with a jabbing motion. The injection analgesia system has a needle shield and an analgesia, which are layered together and applied to a skin surface. A needle shield window and a analgesia window align to form the injection window. Advantageously, the needle shield may fold and / or wrap around the injection needle for sharp object protection during and after needle disposal.
Owner:KIANI NESSA

Ketamine formulations for subcutaneous injection

Provided herein are ketamine formulations for subcutaneous injection, in particular subcutaneous formulations of ketamine useful for the treatment of various diseases and disorders. The subcutaneous ketamine preparation provided by the invention reduces stimulation and pain of an injection site.
Owner:BEXSON BIOMEDICAL INC

Pharmaceutical composition, and aprepitant injection and freeze-dried powder injection

Disclosed are a pharmaceutical composition, an aprepitant injection, and an aprepitant freeze-dried powder injection. The pharmaceutical composition comprises aprepitant, a primary stabilizer, and a secondary stabilizer, wherein the primary stabilizer comprises sodium deoxycholate and the secondary stabilizer comprises povidone. The aprepitant injection can be administered by injecting. The formulation uses a largely reduced amount of excipients, and is less irritative to an injection site, less prone to cause a hypersensitive reaction, and thus safer when being used by a patient. The formulation has good stability and can be stored and transported at room temperature, largely reducing production, storage, and transportation costs.
Owner:WISDOM PHARMACEUTICAL CO LTD

Auto-injector

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.
Owner:SANOFI AVENTIS DEUT GMBH

Prefilled syringe injector

A jet injector that includes a prefilled syringe. The syringe includes a fluid chamber that contains a medicament. The syringe also has an injection-assisting needle, and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion of the needle to a penetration depth. An energy source is configured for biasing the plunger to produce an injecting pressure in the medicament in the fluid chamber of between about 80 and 1000 p.s.i. to jet inject the medicament from the fluid chamber through the needle to an injection site.
Owner:ANTARES PHARMA INC

Injection pump for ultrasonic guided injection

The invention discloses an injection pump for ultrasonic guided injection, and belongs to the technical field of injection equipment. Comprising a pump shell, a wireless controller charging groove is formed in the outer side wall of the pump shell, a wireless controller is wirelessly connected to the outer side of the pump shell, a stepping motor is fixedly connected to the bottom end of the interior of the pump shell, a lead screw is fixedly connected to the output end of the stepping motor, and a lead screw sleeve is in threaded connection to the outer side wall of the lead screw; a clamping groove is fixedly connected to the upper surface of the pump shell, an injector needle cylinder, a parameter setting knob, a parameter setting button and a display screen are connected into the clamping groove in a clamped mode, a visual and accurate parameter regulation and control system is constructed, and refinement and individuation of injection treatment are achieved. In clinical operation, different injection positions, treatment purposes and individual differences of patients have different requirements on injection speed and dosage. For example, joint cavity injection needs slow pushing injection so as to avoid damage to joints due to too high intracavitary pressure.
Owner:BEIJING FANGSHAN DISTRICT HOSPITAL OF TRADITIONAL CHINESE MEDICINE

Auto-injector assembly

The present invention discloses an autoinjector assembly (100) comprising: a housing (102); a syringe assembly (202) for storing a predetermined volume of drug to be administered; a needle protector (212) surrounding the syringe assembly (202) such that a portion of the needle protector (212) is adapted to extend out of the housing (102) in an initial state and retract into the housing (102) when the portion is pressed against an injection site; a spring retainer (218) for holding a dose delivery spring (216) in a compressed state; a locking unit (220) for holding the spring retainer (218) in a locked state; and a plunger (222) engaging the spring retainer (218) and adapted to move toward the syringe assembly (202) when the spring retainer (218) is unlocked. The engagement position of the plunger (222) with the spring retainer (218) is adapted to change so as to control the travel distance of the plunger (222) within the housing (102) based on a predetermined volume of drug in the syringe assembly (202).
Owner:BIOCON BIOLOGICS LTD

Visual injection or sampling needle head

The utility model provides a visible injection or sampling needle head, including needle seat, needle tube, one-way rubber plug and hose, the inner cavity of needle seat is provided with three-way structure, the upper end of needle seat is provided with an upper outlet, the lower end of needle seat is provided with a lower outlet joint, the side surface of needle seat is provided with a side outlet joint, the needle tube is arranged at one end of needle seat, and the one-way rubber plug is connected with the one-way rubber plug. The one-way rubber plug is arranged at an upper outlet of the needle seat, the hose is further arranged on the side face of the needle seat, a central channel of the hose is communicated with an inner cavity of the needle seat, a valve protruding downwards is arranged in the middle of the one-way rubber plug, a cross-shaped notch is formed in the center of the valve, and the cross-shaped notch is communicated with the hose. The small probe penetrates through the sheath hole formed by the needle tube to obtain an image of a lesion position, a doctor is helped to analyze and judge whether an injection position is reasonable and accurate or not, the needle does not need to be pulled out during injection, the injection effect can be continuously observed after injection, and the diagnosis accuracy and the injection reliability are improved.
Owner:SHENZHEN AVANLINE DIGITAL TECH CO LTD

Radiopharmaceutical delivery system for patient infusion

The present invention relates to a theranostics delivery system or radiopharmaceutical delivery system (100) comprising a movable ergonomic workstation (3) having a handle on the side for moving a cart. The radiopharmaceutical delivery system (100) includes a simple design and several enhanced safety features for the user. The delivery system (100) includes a disposable secondary containment system (2) to protect the core workstation from contamination, a configurable dose transporter (6) to enable the safe transport of hot doses between the hot lab and the injection site, and a disposable sealed fluid cartridge (7) for drawing custom volumes from vials or syringes. The delivery system (100) includes a theranostics information science management system comprising a computer screen (19) as a graphical user interface (GUI) with a retractable rotating arm (20) to receive various patient injection parameters and to effectively manage the delivery of desired doses to patients.
Owner:JUBILANT DRAXIMAGE INC

Insulin sterile injection device for diabetics

The application discloses a kind of sterile insulin injection devices for diabetic patients in the field of insulin injection, including two the installation frame mutually close one side upper portion It is provided with side support on each, it is provided with middle support between two side supports, the left and right ends of the middle support are connected with corresponding side support respectively via a height adjusting assembly, it is provided with the movable seat that can move transversely on the middle support, it is provided with the injection positioning mechanism that can swing position forward and backward on the movable seat, the injector is installed on the injection positioning mechanism;The outside of two the installation frame is connected with several transverse coupling belts, the outward end of each coupling belt on left side is fixed with fixed part one, the outward end of each coupling belt on right side is fixed with fixed part two.The application can realize sterile insulin injection, avoid the infection of injection site caused by non-standard operation.
Owner:NANJING UNIV OF TRADITIONAL CHINESE MEDICINE

Diabetes injection positioning device for endocrinology department

ActiveCN224156120UInfusion syringesInfusion needlesEndocrinology departmentPancreatic hormone
The utility model discloses a diabetes injection positioning device for endocrinology department, which comprises an insulin pen, a connector is arranged at the bottom of the insulin pen, a needle head is arranged in the connector, a positioning mechanism is arranged on the surface of the connector, the positioning mechanism comprises a fixing ring, the fixing ring is sleeved on the surface of the connector, and the fixing ring is sleeved on the surface of the connector. A plurality of sets of elastic rods are arranged on the surface of the fixing ring, and the elastic rods are of an arc-shaped structure. When the insulin pen is used, the positioning mechanism is fixed at the connector, the needle head of the insulin pen is located on the inner side of the positioning mechanism, the gasket is arranged at the position needing injection, the injection position is exposed through the positioning hole, the insulin pen is pressed, the elastic rod is bent, the needle head is made to penetrate into the position in the positioning hole, and after injection is completed, the elastic rod can rapidly bounce the insulin pen. By means of the injection mode, vertical up-and-down can be achieved, the needle head cannot be exposed before injection, and the safety of injection is guaranteed.
Owner:TENGZHOU CENT PEOPLES HOSPITAL

Injection site determination systems and methods for injection site tracking and recommending injection sites

ActiveUS12667674B2Insulin injectionInsulin dose
A method of improving insulin delivery includes detecting a dosing event of an upcoming insulin dose, identifying a next injection site to recommend to a user for the upcoming insulin dose, and transmitting a recommended injection site to a delivery device to be displayed on the delivery device. The method further includes receiving a user selection of a plurality of injection sites to include within an injection site recommendation profile, receiving a user selection of an injection cycle to utilize within the injection site recommendation profile, and generating an injection site recommendation profile.
Owner:BIGFOOT BIOMEDICAL INC

Computer with patient information exchange function

The image shown in the figure is a graphical user interface for a patient app, and is displayed when the user gives an injection, etc. The figure shows an image for a patient who needs to self-inject at home over a long period of time due to diabetes or other conditions to electronically communicate with their doctor, allowing them to select and display the body part where an injection was given or the part where a problem occurred. The figure shows an image for indicating a body part or specific part, such as a specific body part where an injection was given, a specific body part with a problem, or multiple specific parts that need to be emphasized. The figure shows an image of a patient app in which different zones of the body are highlighted. Furthermore, the figures show back, right, left, top, and bottom views of a computer with a patient information exchange function that displays the above image.
Owner:SANOFI SA(FR)

Injection site fixation device for an injection device, injection linkage

PendingCN122440938AMedicineInjection device
The application relates to the technical field of injectors, in particular to an injection site fixing device and an injection linkage device of an injection device. The injection site fixing device comprises a negative pressure generating device, a sealing mechanism and a suction disc. The suction disc comprises a negative pressure cavity, the negative pressure generating device is connected with the negative pressure cavity, and the negative pressure generating device is used for generating negative pressure in the negative pressure cavity so that the injection site of a user is adsorbed in the suction disc under the action of the negative pressure in the negative pressure cavity. The sealing mechanism is configured to be capable of switching between an open state and a closed state. When the suction disc is not adsorbed to the injection site of the user, the sealing mechanism is in the closed state to isolate the negative pressure cavity and a needle cavity. When the suction disc is adsorbed to the injection site of the user and the injection needle is started to pierce the injection site, the sealing mechanism is in the open state to make the negative pressure cavity and the needle cavity communicate. The injection site fixing device can enable the user to operate with one hand by fixing the suction disc to the injection site, the operation is simple, and thus the user can inject the abdomen and other parts.
Owner:GUANGDONG RUIAN INTELLIGENT MEDICAL EQUIPMENT CO LTD

Infusion site with membrane and leakproof removable protection

To provide a medical device for transferring fluid from a flexible container for medicine.SOLUTION: The medical device comprises an upper portion 1101, a central portion 1104, a breakable zone 1103 between the upper portion and the central portion, and an insertion portion 1106. The insert comprises a third enclosure 1105 surrounding the second tunnel 1110, the upper side of the third enclosure comprising a membrane 1116, the upper surface of the membrane sealing the third opening 1113 of the second enclosure 1115.SELECTED DRAWING: Figure 1a
Owner:BAXTER INT INC +1

A drug delivery system

The drug delivery system (1), comprises: - a first bag (21) containing a drug in liquid form; - a second bag (22) configured to be inflated to compress the first bag for expelling the drug; - a gas supply system (30) comprising a gas container (31) and a gas connector (40) for fluidly connecting the gas container to the second bag inlet (25), to inflate the second bag; - a dispensing system (50) comprising an injection device (51) and a liquid connector (55) for fluidly connecting the first bag outlet (23) to the injection device inlet (52), wherein: - in the inactive state of the dispensing system, the liquid connector blocks the fluid communication and the injection device is in a retracted position, - in the active state of the dispensing system, the liquid connector fluidly connects the first bag outlet and the injection device inlet, and the injection device is in an extended position for penetrating an injection site; - an activation system (100) comprising a trigger (101) which can be moved from a rest position to an activated position, thereby: - causing the gas supply system to go from its inactive state to its active state, thus causing the second bag to inflate and to compress the first bag; - and causing the dispensing system to go from its inactive state to its active state, thus allowing the drug contained in the first bag to be delivered to the injection site.
Owner:BECTON DICKINSON FRANCE SAS

A method of providing a personal drug injection system

A method of providing a personal drug injection system is disclosed. The method comprises determining at least one anthropometric characteristic from a person, and providing a plurality of types of personal drug injection systems. Each personal drug injection system of a personal drug injection system type is configured so as to fit with a part of the person's body that is intended to receive an injectable drug, and includes a drug injection location set that includes at least one defined drug injection location corresponding to a location of a drug injection site on the part of the person's body when the personal drug injection system is disposed on the part of the person's body. Each personal drug injection system type is associated with a defined range of anthropometric characteristics that is different to the defined range of anthropometric characteristics associated with the other personal drug injection system types, and each personal drug injection system type has an associated drug injection location set that is different to the drug injection location set of the other personal drug injection system types. The method also involves using the determined anthropometric characteristic and the defined ranges of anthropometric characteristics to select one of the personal drug injection system types from the plurality of personal drug injection system types already manufactured, and providing the person with the selected personal drug injection system type.
Owner:EFX MEDICAL TECH PTY LTD

robotic device

A robotic device is provided that allows for precise and automated administration of diosmin into animal models to investigate its cardioprotective effects in a rat model. [Solution] The robotic device of this invention integrates a robotic arm 102, a syringe pump 104, a central processing unit 106 (CPU), and sensors, enabling precise control of injection parameters such as dosage, speed, and injection site. The device supports intravenous, intraperitoneal, and subcutaneous injections and provides real-time feedback on the injection mechanism's position. It also features a stabilization mechanism to minimize movement during injection and integrates physiological monitoring tools for adjusting drug administration based on the animal's real-time response. Remote control is possible, increasing convenience and reducing the possibility of human error.
Owner:マフムード モスタファ +2

Auto-injector

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.
Owner:SANOFI AVENTIS DEUT GMBH