15 results about "Drug injector" patented technology

[Problem] The purpose of the present invention is to provide a portable anticancer agent container for preventing exposure and infection to the human body caused by chemical solution leakage that arises during a removal operation of a coupling connector at the time of system cleaning using a cleaning solution. [Solution] Provided is a pressurization-type drug injector having a drug exposure preventive function and having a system cleaning function, the pressurization-type drug injector comprising: a reservoir that has a chemical solution filling opening and a chemical solution discharging opening; a pressurization deformation means that undergoes pressurization and deformation by the injection of a chemical solution and that pushes out the chemical solution by a force caused by restoration of the pressurization and deformation; a flow rate control means that adjusts the flow rate of the chemical solution by resistance; a system cleaning port that includes a cleaning solution injection opening, a chemical solution filling opening, and a liquid discharging opening; and a case that contains therein said reservoir, said pressurization deformation means, and said system cleaning port. The case has openings respectively in the vicinity of the chemical solution filling opening, the system cleaning injection opening, and the chemical solution discharging opening. The chemical solution being filled is filled into the pressurization deformation means from the chemical solution filling opening of the reservoir, and moves from the chemical solution discharging opening of the reservoir to the exterior of the container via the flow rate control means. A cleaning solution is injected from the injection opening of the cleaning port arranged downstream from the flow rate control means, and moves to the exterior of the container. The pressurization-type drug injector having a drug exposure preventive function is characterized in that the periphery of the cleaning port is completely covered by a sterile seal, and thus, the cleaning port injection opening is kept clean until use.

The application discloses a double-cheek local medicine injector and an injection method thereof, and relates to the technical field of medical treatment.The injector comprises an injection barrel, a liquid outlet barrel connected to the front end of the injection barrel, a connecting barrel sleeved on the periphery of the liquid outlet barrel, an opening of the connecting barrel being attached to one side of the injection barrel, a needle connected to one end of the connecting barrel of the injection barrel, a push rod slidingly fitted in the hollow part of the injection barrel, a piston head attached to the inside of the injection barrel being connected to the side of the push rod facing the liquid outlet barrel, and a clamping mechanism arranged on the periphery of the injection barrel for clamping the connecting barrel.The clamping mechanism can be used to quickly disassemble the needle, and the medical staff does not need to laboriously pull out the needle, and the medical staff does not need to put the hand into the oral cavity of the patient during the process of pulling out the needle, the connecting barrel can be detached by directly rotating the clamping mechanism at the edge of the needle, and the medical staff is facilitated to replace the injection barrel.

The invention discloses a radiopharmaceutical split charging and injection system and a precise split charging and injection method, and belongs to the field of nuclear medicine split charging and injection. The system comprises a medicine dilution bottle protection mechanism and a subpackage transfer catheter, the split charging and transferring catheter is formed by a plurality of three-way valves connected in series, and the ports of the three-way valves of the split charging and transferring catheter are at least connected with a medicine injector, a diluent extraction tube and an injection tube; the medicine dilution bottle protection mechanism comprises a first activity detector, and a second activity detector is arranged on the outer side of the medicine injector. A radiopharmaceutical detector is arranged on the outer side of the injection tube. Through the arrangement of the first activity detector and the second activity detector, timely detection and re-checking of the concentration of liquid medicine in the medicine split charging process can be achieved, the actual metering of liquid medicine injection can be further checked, the injected liquid medicine is more accurate and more effective, and the clinical injection requirement is greatly met. And the injection process can be qualitatively monitored in real time through the arrangement of the radiopharmaceutical detector, so that the operation convenience and safety are improved.

The present invention may provide a needle module, a needle assembly including same, and a subcutaneous drug injector using same. The needle module may comprise: a body unit which has an opening formed on one side thereof, has an inner space communicating with the opening, and has an injection hole formed through the other side thereof and communicating with the inner space so that a drug is injected into the inner space through the injection hole; a needle module which is coupled to needles to support the needles and is inserted into and coupled to the inner space so that a drug injected into the inner space is supplied to the needles; and a head cover unit coupled to the opening to seal the one opened side of the body unit and having through-holes through which the needles pass so that the upper portions of the needles can be exposed. According to the foregoing, a thin needle can be easily installed on a needle base, thereby making the manufacturing of the needle module easier. Furthermore, the needle module can stably support the thin needle, and thus can have enhanced durability and be easily maintained.

The invention relates to a reusable automatic injector, and belongs to the technical field of medicine injectors. The invention provides a reusable automatic injector. The reusable automatic injector comprises a pen body, a refill frame, a clutch rod, an injection button, a small push rod and a torsional spring, the injection structure comprises injection teeth and clutch teeth, when the refill frame is connected to the pen body, the injection teeth and the clutch teeth are combined, the injection button is pressed down to enable the clutch rod to move downwards, the lower section of the clutch rod is connected with the injection teeth, and the clutch rod rotates under the torsion effect of the torsion spring and drives the injection teeth and the clutch teeth to rotate synchronously. When the pen core frame is separated from the pen body, the clutch teeth move downwards and are separated from the injection teeth, and the small push rod is driven by the clutch teeth to rotate downwards so as to push the rubber plug to achieve the injection purpose. The torsion spring driven injection and reliable reuse of the automatic injector are realized, and the clutch rod and the injection teeth are combined by pressing the button, so that the torsion spring driven injection is realized.

A drug injection device according to the present disclosure includes: a drug injector configured to electrochemically drive an electroosmotic pump to suck a drug from a drug storage and discharge the sucked drug to an injection target; and a controller configured to output, to the drug injector, a control signal corresponding to an amount-based injection sequence that enables the electroosmotic pump to be driven in an immediate injection mode, wherein the amount-based injection sequence includes at least one pulse block that defines a voltage pulse or a current pulse to be applied to the electroosmotic pump, each pulse block defines a pair of pulse signals including a forward pulse and a reverse pulse that are applied to the electroosmotic pump to alternately generate negative pressure and positive pressure, and the electroosmotic pump alternately generates negative pressure and positive pressure for each pulse block to suck and discharge the drug.

A drug injection device according to the present disclosure includes: a drug injector configured to electrochemically drive an electroosmotic pump to suck a drug from a drug storage and discharge the sucked drug to an injection target; and a controller configured to output, to the drug injector, a control signal corresponding to an injection sequence determined according to an injection mode, wherein when a predetermined event occurs, the controller stops an operation based on a first speed-based injection sequence for a basal injection mode and outputs a control signal corresponding to a second speed-based injection sequence for a temporary basal injection mode, and the electroosmotic pump alternately generates negative pressure and positive pressure in response to the control signal to suck and discharge the drug.

The present disclosure relates to systems and devices for administering an active agent to a subject. The provided device includes a housing, a spring release, an outer cap detachably engaged with and rotatable with the spring release, a diluent ejector having a stopper, a mixing spring adjacent to the diluent ejector and providing a bias to the diluent ejector within the housing, a powder barrel having a first tearable seal member and a second tearable seal member, a barbed crown positioned near the second tearable seal member and configured to pierce the second tearable seal member in response to proximal translation of the powder barrel within the housing, and a fluid chamber disposed between the stopper and the first tearable seal member. A method for producing an active pharmaceutical agent is also described.

The present invention may provide a needle module, a needle assembly including same, and a subcutaneous drug injector using same. The needle module may comprise: a body unit which has an opening formed on one side thereof, has an inner space communicating with the opening, and has an injection hole formed through the other side thereof and communicating with the inner space so that a drug is injected into the inner space through the injection hole; a needle module which is coupled to needles to support the needles and is inserted into and coupled to the inner space so that a drug injected into the inner space is supplied to the needles; and a head cover unit coupled to the opening to seal the one opened side of the body unit and having through-holes through which the needles pass so that the upper portions of the needles can be exposed. According to the foregoing, a thin needle can be easily installed on a needle base, thereby making the manufacturing of the needle module easier. Furthermore, the needle module can stably support the thin needle, and thus can have enhanced durability and be easily maintained.

A drug infusion device according to the present invention includes a drug injector that electrochemically drives an electroosmotic pump to inhale a drug from a drug reservoir and discharge the inhaled drug into an infusion target, and a controller that outputs a control signal to the drug injector corresponding to a volume-based infusion sequence that drives the electroosmotic pump in an immediate infusion mode, the volume-based infusion sequence including at least one pulse block that defines voltage pulses or current pulses to be applied to the electroosmotic pump, each pulse block defining a pair of pulse signals that include a forward pulse and a reverse pulse that are applied to the electroosmotic pump and generate alternating negative and positive pressures, and the electroosmotic pump generates alternating negative and positive pressures for each pulse block to inhale and discharge the drug.

[Problem] The purpose of the present invention is to provide a portable anticancer agent container for preventing exposure and infection to the human body caused by chemical solution leakage that arises during a removal operation of a coupling connector at the time of system cleaning using a cleaning solution. [Solution] Provided is a pressurization-type drug injector having a drug exposure preventive function and having a system cleaning function, the pressurization-type drug injector comprising: a reservoir that has a chemical solution filling opening and a chemical solution discharging opening; a pressurization deformation means that undergoes pressurization and deformation by the injection of a chemical solution and that pushes out the chemical solution by a force caused by restoration of the pressurization and deformation; a flow rate control means that adjusts the flow rate of the chemical solution by resistance; a system cleaning port that includes a cleaning solution injection opening, a chemical solution filling opening, and a liquid discharging opening; and a case that contains therein said reservoir, said pressurization deformation means, and said system cleaning port. The case has openings respectively in the vicinity of the chemical solution filling opening, the system cleaning injection opening, and the chemical solution discharging opening. The chemical solution being filled is filled into the pressurization deformation means from the chemical solution filling opening of the reservoir, and moves from the chemical solution discharging opening of the reservoir to the exterior of the container via the flow rate control means. A cleaning solution is injected from the injection opening of the cleaning port arranged downstream from the flow rate control means, and moves to the exterior of the container. The pressurization-type drug injector having a drug exposure preventive function is characterized in that the periphery of the cleaning port is completely covered by a sterile seal, and thus, the cleaning port injection opening is kept clean until use.

1. Name of the product in this design: Syringe auxiliary support. 2. Purpose of this design: To assist in the injection of stem cells using a stem cell injector or to assist in the injection of drugs using a drug injector. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The present invention provides a drug injector that allows for easy attachment and detachment of the nozzle to the barrel, and that enables the nozzle's position relative to the barrel flange to remain constant at all times. [Solution] The drug injector 1 comprises a barrel 10 into which the drug is filled, a nozzle 20 attached to the barrel, and a plunger 40 that pushes the drug filled in the barrel toward the nozzle. The barrel includes a flange 11, a body 12 continuous with the flange into which the plunger is inserted from the flange side, and a tip 13 continuous with the body on the opposite side of the flange. The body extends from the flange in a first direction. The tip extends from the body in a second direction and communicates with the body and the nozzle. The second direction is different from the first direction and is away from the flange. The nozzle extends from the tip in a second direction and is detachably attached to the tip.

A drug-mixing apparatus according to one or more embodiments may include a drug injector that executes a drug-mixing operation of injecting a drug housed in a drug container into an infusion housed in an infusion container, using a syringe having a needle attached thereto; and a needle remover that removes the needle from the syringe used in the drug-mixing operation, after the drug-mixing operation has ended.