605results about "Jet injection syringes" patented technology

Systems and methods for integrating a continuous glucose sensor 12, including a receiver 14, a medicament delivery device 16, a controller module, and optionally a single point glucose monitor 18 are provided. Integration may be manual, semi-automated and / or fully automated.

The invention relates to an injection device (100) with needle for injecting a product, in particular a cosmetic product, the device comprising: a suction chamber (1), a support surface (4) inside the chamber (1) at a position set back from the opening (2), and a suction source, the support surface (4) comprising at least one microneedle (6) for carrying out the injection, the suction opening (2) is closed by an intermediate component (7), defining a contact surface with the target area (3), and having at least one orifice (8) designed to be passed through by the microneedle (6), when the target area (3) is suctioned towards the chamber (1).

The present invention relates to the technical field of syringes, and in particular to a needle-free syringe, comprising an injection mechanism and a firing assembly, wherein the injection mechanism comprises a piston cylinder and a piston assembly which is slidably arranged in the piston cylinder to push out a medicine liquid in the piston cylinder for injection, and the assembly comprises an inner sleeve, a sleeve assembly threadedly connected to the inner sleeve, a button sleeve sleeved outside the sleeve assembly and circumferentially fixed to the inner sleeve, a clamping mechanism, a first elastic member arranged between the sleeve assembly and the piston assembly, and a second elastic member arranged between the piston assembly and the clamping mechanism; the present invention utilizes the sleeve assembly to move forward to drive the clamping mechanism to lock the piston assembly, and to move backward to drive the piston assembly to suck the medicine liquid, and utilizes the button sleeve sleeved outside the sleeve assembly to realize the grip and firing of the syringe, and there is no need to press the firing button separately when holding the syringe, thereby facilitating the use of the syringe.

The invention relates to the technical field of needleless injectors, and discloses novel needleless injector equipment which is composed of a shell, a liquid medicine bottle and an injection mechanism. The liquid medicine bottle is communicated with the injection medicine cylinder of the injection mechanism, and when injection is needed, liquid medicine is firstly extracted into the injection medicine cylinder from the liquid medicine bottle through the first liquid inlet hole. One end of the cylindrical channel is connected with the nozzle, and the other end of the cylindrical channel is connected with the piston rod. The power assembly controls movement of the piston rod through the excitation assembly. A conduction valve is further arranged in the injection medicine cylinder, and a second annular channel is formed through the outer annular groove and the inner annular groove so as to prevent liquid medicine from flowing back. A small medicine storage tube is arranged at the end, close to the injection tube, of the piston rod and used for storing liquid medicine. In the injection process, the power assembly pulls the piston rod to form vacuum negative pressure, so that liquid medicine is sucked into the injection tube through the third medicine inlet hole and the small medicine storage tube. The power assembly pushes the piston rod to reversely move at a high speed, and liquid medicine is injected at high pressure through the injection pipe and the nozzle.

A dispensing device for dispensing a beneficial agent configured to transition between an inactive state and an active state. The dispensing device can include a body, a pressure chamber, a primary container, and / or a diaphragm. The pressure chamber and diaphragm may both be disposed within the body, and the primary container may be disposed within the pressure chamber and engaged with the diaphragm. The primary container may include a distal end with a septum or pierceable fitment disposed on a distal side of the diaphragm. The dispensing device may be configured to transition between an inactive state and an active state when a pressurized fluid is provided to the pressure chamber by moving the primary container distally against the diaphragm to cause the diaphragm to deform, including stretching a section of the diaphragm in a distal direction.

The invention discloses an ultra-high-speed jet flow drug delivery device, and relates to the technical field of drug delivery, and the ultra-high-speed jet flow drug delivery device comprises a jet flow parameter setting module which is used for determining the direction and speed of jet flow according to drug delivery requirements; the high-energy current module is used for generating high-energy current, enabling the metal wire to instantly reach a high-temperature state and driving the medicine solution to form high-speed fluid; the nozzle is used for converting high-speed fluid into jet flow according to the jet flow direction and speed determined by the jet flow parameter setting module; the sensor module is used for monitoring the distribution condition of the medicine solution in the body in real time; the precise delivery module is used for controlling the jet flow parameter setting module to adjust the jet flow direction and speed in real time according to the distribution condition of the drug solution in the body and in combination with the drug delivery requirement. The high-speed jet flow is formed by adopting an electric explosion technology, strong kinetic energy is provided to effectively penetrate through human tissues, accurate drug delivery to a deep target area is realized, and the drug jet flow is ensured to be accurately delivered to the deep tissues in combination with a sensor.

The invention relates to the technical field of syringes, in particular to a needleless syringe which comprises a mounting unit, a needle fixing unit and a needle fixing unit. The injection unit comprises a liquid storage pipe arranged in the accommodating space and a piston rod arranged in the liquid storage pipe in a sliding manner; the driving unit comprises a driving motor arranged in the containing space, a rotating disc arranged at the end of the driving motor and a push rod arranged on the mounting shell in a sliding mode, and the push rod and the piston rod can generate relative displacement. According to the needleless injector, the control part and the elastic part are matched to control the push rod to move in a reciprocating mode, then the piston rod is controlled to move in a reciprocating mode, liquid medicine in the liquid storage pipe is sucked and discharged, the elastic part controls the push rod to collide with the piston rod when moving, the liquid medicine discharging pressure of the liquid storage pipe is increased, and skin puncturing is facilitated; meanwhile, the moving speed after collision is reduced, the liquid medicine spraying pressure is reduced, and liquid medicine injection is facilitated.

The present application discloses an ultra-high-speed jet drug delivery device, which relates to the field of drug delivery technology and includes: a jet parameter setting module for determining the direction and speed of the jet according to the drug delivery requirements; a high-energy current module for generating high-energy current to make the metal wire reach a high-temperature state instantly, driving the drug solution to form a high-speed fluid; a nozzle for converting the high-speed fluid into a jet according to the direction and speed of the jet determined by the jet parameter setting module; a sensor module for monitoring the distribution of the drug solution in the body in real time; and a precision delivery module for controlling the jet parameter setting module in real time to adjust the direction and speed of the jet according to the distribution of the drug solution in the body and the drug delivery requirements. In the present application, electric explosion technology is used to form a high-speed jet, providing powerful kinetic energy to effectively penetrate human tissue, achieve precise drug delivery to deep target areas, and combine with sensors to ensure that the drug jet is accurately delivered to deep tissues.

Custom medicament injection systems and methods suitable for injection of a medicament into at least one treatment area in the skin of a user may include a medicament injection component and a computing device. The medicament injector component may be configured to discharge a selected quantity, volume, and / or number of injection dosage units of medicament from a medicament cartridge as a high-pressure jet of the medicament into the patient's skin. The computing device may be configured to capture pre-treatment data (e.g. an image of the treatment area on the patient) and, based on the pre-treatment data, identify and output targeting data including one or more target medicament injection sites relative to the treatment area.

The present disclosure relates to a skin treatment device, the skin treatment device comprising: a main body including a control unit that controls the operation of the skin treatment device and a power source unit that supplies power to the medical skin treatment device; a transfer unit for moving the main body; and a handpiece which receives power from the power source unit of the main body, is controlled by the control unit, and has one side that comes into contact with the skin of a patient to radiate therapeutic energy below the skin surface of the patient and thus improve the skin.

The invention relates to the technical field of needleless injectors, in particular to a portable needleless injector, which comprises a mounting unit, an injection unit and a control unit, the force storage unit comprises a moving rod arranged in the mounting cavity in a sliding manner, a first elastic piece arranged between the moving rod and the mounting cavity, and a driving assembly arranged in the mounting cavity and matched with the moving rod; the triggering unit comprises a limiting assembly matched with the moving rod; and the needle head unit comprises a needle tube communicated with the mounting cavity and a piston rod arranged in the needle tube in a sliding manner. According to the portable needleless injector, the moving rod can be controlled by the driving assembly to extrude the first elastic piece and then is limited by the limiting assembly to move, the effect of force storage is achieved, then the moving rod is ejected out under the elastic force of the first elastic piece by making contact with the limitation of the moving rod, and meanwhile the moving rod can control the piston rod to move to extrude and spray out liquid medicine in the needle tube.

Embodiments described herein relate to systems and methods of delivering medicinal components to target regions of an eye of a subject and / or patient. In some aspects, an apparatus includes a housing; a medicament container configured to accommodate a medicinal component; a sensor configured to measure a physical property of a subject; and an injector coupled to the medicament container and configured to produce a stream of the medicinal component directed towards a region of the eye of the subject based on the measured physical property.

The invention relates to the technical field of medical instruments, in particular to an electromagnetic needleless injector which comprises a shell, a nozzle assembly, a liquid storage assembly, a driving assembly and an intelligent control system. Firstly, a series excitation linear motor is adopted to replace a traditional needleless injector driven by a spring, and the problems that driving force is limited and elasticity is attenuated due to the spring are effectively solved. According to the series excitation linear motor, through excitation magnetic field coupling between the stator coil and the rotor coil in the motor, the rotor directly drives the plunger rod to do linear motion in the axial direction so as to complete injection, the structure is simpler, the direct drive type connection structure is adopted, the stability is higher, and force transmission is more accurate. In addition, an intelligent control system integrated in the needleless injector enables the needleless injector to be more intelligent, control precision is higher, operation is more convenient, the needleless injector can be wirelessly connected with a breeding cloud management system, rapid, accurate and painless injection of live pigs and other animals can be achieved, and breeding efficiency and injection safety are improved.

The utility model relates to the technical field of liquid injection devices, and particularly discloses a liquid segmented propelling device which is characterized by comprising a bin body and a cap body, the bin body comprises a containing part and a quantitative propelling part, a medium is stored in the containing part, a nozzle is arranged at one end of the containing part, and the quantitative propelling part is arranged at the other end of the containing part. The quantitative pushing part is arranged at the other end of the containing part and used for quantitatively pushing out media in the containing part, and the cap body is detachably connected to the end, provided with the nozzle, of the containing part. The application has the effect of being beneficial to improving the dose propulsion accuracy.

A pre-filled dual-chamber medical agent delivery system assembled and configured to allow delivery of a single dose of a combined therapeutic agent (e.g., vaccine, drug, medicament, etc.) from a Blow-Fill-Seal (BFS) vial to a patient. The delivery assembly generally includes a modular design consisting of separately constructed components cooperatively arranged and coupled to one another, such as to facilitate delivery of a reconstituted lyophilized agent to a patient.

The invention discloses a terbinafine hydrochloride needleless injection, a transdermal injection for treating superficial fungal infection and an administration device of the transdermal injection, belongs to the technical field of pharmaceutical preparations, and successfully develops the terbinafine hydrochloride needleless injection which takes benzyl alcohol and ethanol as auxiliary materials, the invention provides a terbinafine hydrochloride needleless injection or an injection administration device thereof, which is used for preparing the terbinafine hydrochloride needleless injection, and proves that a prescription containing low-concentration ethanol can have good safety and excellent infiltration and absorption promoting capability, and the medicine can quickly reach a focus part and has long effective action time. The invention also provides the administration device of the terbinafine hydrochloride needleless injection or the injection thereof. According to the dosing device, the replaceable injection head and the injection assembly are used, cross infection can be reduced, and the purity of liquid medicine is kept.

An injector including: a housing, a cap detachably coupled to the housing, a ram assembly having a ram configured to pressurize a medicament container for expelling a medicament therefrom, the ram assembly including a trigger engagement member, an energy source associated with the ram for powering the ram to expel medicament from the medicament container, a trigger member disposed about an axis, the trigger member moveable between a pre-firing configuration and a firing configuration, wherein medicament is expelled from the medicament container when the trigger member is in the firing configuration, a needle guard moveably coupled to the housing, the needle guard movable between a storage position and a pre-injection position, wherein the needle guard moves from the storage position to the pre-injection position as the cap is detached from the housing.

The present invention relates to a needleless syringe comprising a body part and a nozzle part, wherein the body unit provides a pulse-type pressure of a predetermined magnitude to a drug accommodated in a drug accommodation unit in the nozzle unit, and the nozzle unit discharges, in the form of a microjet through a nozzle hole of the nozzle unit, the drug accommodated in the drug accommodation unit in response to the pulse-type pressure provided by the body unit. A nozzle unit-side connection unit in the nozzle unit, which is mounted on a connection unit of the body unit, includes an information unit configured to store, as tag information, information on equipment parameters for the operation of the needleless syringe. The body unit is provided with: a sensor capable of recognizing the information unit provided in the nozzle unit; and a control unit that automatically sets the equipment parameters for controlling the operation of the needleless syringe, on the basis of the tag information recognized by the sensor.

The invention relates to a powder needleless injection pressure monitoring device, which belongs to the technical field of medical instruments and comprises a pressure sensing needleless injector main body, a partition pressure reading recording display screen, a main body pressure sensor and a pressure sensing medicine tube. The powder needleless injection pressure monitoring device is provided with a medicine tube pressure intensity monitoring structure, an injector injection generation pressure sensing structure and a pressure value display structure at the same time; the pressure sensors arranged at the top of the injection push rod and the upper end of the injection piston push piece are used for accurately sensing the injection generation pressure intensity and the actual acting pressure intensity value, the real-time pressure during needleless injection is sensed and displayed, the actual pressure value of powder needleless injection can be accurately monitored, effective injection is guaranteed, and the injection efficiency is improved. The action pressure intensity verification sensor is used for sensing the actual action and the maximum pressure intensity value of the medicine powder, and the maximum pressure intensity value is compared with a numerical value detected through sensing, so that the monitoring accuracy is further guaranteed, and accurate and effective pressure-controlled injection is completed.

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.

Ingestible devices can directly deliver therapeutic agents to desired tissue(s) of the GI tract of a subject, such as the submucosa, the mucosa, and / or the mucus layer of the GI tract, and methods of using the same. The ingestible devices can deliver therapeutic agents in a safe, effective, and reliable manner. The disclosure also provides pharmaceutical compositions for use in methods of treating a disease or condition.

The invention belongs to the field of injectors, and particularly relates to a pneumatic needleless injector and a using method thereof.The pneumatic needleless injector comprises an injector body, a Laval gas tube and a liquid medicine injection speed control mechanism; one end of the Laval gas tube is connected with the gas chamber of the injector body, and the other end of the Laval gas tube is used for being connected with a gas supply device; the liquid medicine injection speed control mechanism comprises a baffle capable of adjusting the opening degree of a throat of the Laval air pipe and a controller used for controlling the baffle to set time to increase the opening degree of the throat after injection is started. According to the pneumatic needleless injector, the jet velocity is increased on the basis that the air supply pressure of the air supply device is consistent, injection can be conducted at the jet velocity of two kinds of liquid medicine, the liquid medicine is prevented from splashing, the utilization rate of the liquid medicine is increased, and meanwhile the risks of injection pain and tissue damage caused by too deep injection are reduced.

A semi-automated veterinary medicine delivery device may sense whether and how much air may have been incorporated into a dose delivered to an animal. The device may also sense an incomplete injection in some cases and may cause a second dose to be administered to make up for the incomplete dose. The device may compare a position sensor on a syringe in combination with a current sensor on a motor attached to the syringe to detect any abnormalities. In the case of an improper dose, the device may alert the user and administer a second dose.

To provide pre-connected analyte sensors.SOLUTION: A pre-connected analyte sensor includes a sensor carrier attached to an analyte sensor. The sensor carrier includes a substrate configured for mechanical coupling of the sensor to testing, calibration, or wearable equipment. The sensor carrier also includes conductive contacts for electrically coupling sensor electrodes to the testing, calibration, or wearable equipment.SELECTED DRAWING: Figure 1

Optimized bio-synchronous drug delivery begins with establishing a bio-synchronous treatment protocol that incorporates individual temporal and innate biological characteristics into a pharmacological treatment plan. The bio-synchronous treatment protocol is thereafter initiated using bioactive agent delivery device. Bio-synchronous drug delivery includes continual collection of patient data such as physical, psychological, temporal and environmental characteristics. This data is analyzed so to not only determine an initial treatment protocol but to also determining whether modification to the ongoing bio-synchronous treatment protocol is required. And, responsive to determining a modification is required the system modifies the bio-synchronous treatment protocol and use of delivery device. These modifications and treatment protocols can include reactive and proactive psychological support supplied to the patient in a variety of formats.

The present invention provides an auxiliary device or system for a needleless syringe that uses the force of an elastic body to eject the injectable solution from the ampoule, and that can automatically perform the charging of the elastic body and the loading of the ampoule. [Solution] The auxiliary device 1 or system for the needleless syringe includes a holding unit 3 for holding the needleless syringe 10, an elastic body energy storage unit 5 for storing energy in the elastic body of the needleless syringe, an ampoule loading unit 6 for loading a pre-filled ampoule into the needleless syringe, a drive unit 7 for relatively moving the holding unit, and a control unit 8 for controlling the operation of the drive unit, and sequentially moves the needleless syringe to a position where the elastic body can be stored and to a position where the pre-filled ampoule can be loaded.

A minimally invasive body sculpting system and method is provided using a numbing component, a helium plasma component, and an NIL component. An NIL cannula of the NIL component is insertable into the body to remove the fat cell via nutational movement thereof and suction there through. Skin tightening is achieved through the subcutaneous exposure of the skin to helium plasma.

An injection system for treatment of the human or animal body, comprising an injector (10) having at least one chamber (18) for accommodating a treatment fluid, the chamber (18) opening out into a nozzle (20) and being connected to a pressurizing system for pressurizing the fluid in the chamber such that a skinpenetrating jet (24) is ejected from the nozzle (20), wherein the system comprises at least one alternative administering device (26, 28) for administering the treatment fluid, and the nozzle (20) of the injector is integrated with an adapter (30) that is connectable to a mating adapter (32) of said at least one alternative administering device (26. 28).

This positional misalignment prevention tool for inhibiting misalignment between a target region of an eyeball into which a substance is to be injected and a syringe for injecting a substance to be injected from an injection part port into the target region comprises: a base body that is disposed around an axis following the direction of injection of the substance to be injected, such that the base body surrounds the periphery of an injection part; and an uneven part that is provided to the target-region side of the base body.

The present invention provides a quantitative needle-free syringe, comprising a medicine core assembly, a handle sleeve and a stepping piston assembly; an impact rod is provided on the rear end face of the syringe push rod, the stepping piston assembly is arranged at the rear end of the impact rod, and the stepping piston assembly pushes the impact rod to move forward; a non-return locking combination for locking and unlocking the impact rod and the handle sleeve is provided between the impact rod and the inner wall of the handle sleeve, the stepping piston assembly comprises a cylinder sleeve, a pneumatic piston and a main impact rod; a magnet and a magnet seat are fixed at the rear end of the pneumatic piston. The present invention has a reasonable structural design, can effectively stop and lock the impact rod, and realizes step-by-step excitation of the impact rod through the stepping piston assembly inside, the excitation is good, the pressure of the drug solution is stable, and the quantitative injection effect is excellent.