43 results about "Rapid infusion" patented technology

A rapid infusion system for the intravenous delivery of fluids at standard and rapid flow rates. The system includes a pump assembly, a drive assembly to power the pump, and a fluid containment system that keeps the infused fluid out of direct contact with the pump assembly and that is preferably disposable and removable. In one embodiment the drive assembly includes a differential drive that interacts with more than one motor. In one embodiment, the pump assembly includes a roller pump and the pump chamber is a collapsible, preformed tube that is preferably attached to a pump cartridge frame. Optionally, the system includes a self-leveling drip chamber and the fluid containment system is disposable and includes a pump cartridge containing the drip chamber and the pump chamber, I.V. tubing, outlet infusion tubing, and a heater cartridge.

A catheter assembly is provided having a conical diffuser tip for use in rapid infusion procedures. The conical diffuser tip provides a flared opening whereby the velocity of an infusant is decreased as the infusant travels through the catheter tip and exits into the vascular system of a patient. This decrease in velocity proportionately reduces the backpressure and / or recoil force of the catheter assembly thereby permitting the use of higher infusion rates. The catheter tip is introduced into the vasculature of a patient via a splittable introducer needle.

A rapid infusion system for the intravenous delivery of fluids at standard and rapid flow rates. The system includes a pump assembly, a drive assembly to power the pump, and a fluid containment system that keeps the infused fluid out of direct contact with the pump assembly and that is preferably disposable and removable. In one embodiment the drive assembly includes a differential drive that interacts with more than one motor. In one embodiment, the pump assembly includes a roller pump and the pump chamber is a collapsible, preformed tube that is preferably attached to a pump cartridge frame. Optionally, the system includes a self-leveling drip chamber and the fluid containment system is disposable and includes a pump cartridge containing the drip chamber and the pump chamber, I.V. tubing, outlet infusion tubing, and a heater cartridge.

Provided herein are methods for the induction of hypothermia and the treatment of clinical insults in a subject through the administration of a regulated hypothermic multidrug combination. The compositions or multidrug combinations of the invention comprise a regulated hypothermic compound or a dopamine receptor agonist; a vasoactive compound; and an antiarrhythmic compound or a serotonin 5-HT3 receptor antagonist. Additional agents can be included in the composition including at least one of an antioxidant, a vitamin, N-acetylcysteine, and an antihyperglycemic compound. The invention further recognizes that a two phase delivery of multidrug combinations, a rapid infusion of the composition to induce hypothermia followed by a period of slow infusion to maintain the hypothermic state for a sustained period of time. Using the two phase delivery method of the invention, the composition may comprise ethanol and, optionally, at least one of a vasoactive compound, an antiarrhythmic compound, a serotonin 5-HT3 receptor antagonist, an antioxidant, a vitamin, N-acetylcysteine, and an antihyperglycemic compound. This two phase delivery method can be used to deliver any of the compositions of the invention and provides significant benefits to a patient.

The invention relates to the technical field of trees planting, particularly to a fruit tree infusion device comprising a fixing holder and an infusion structure. The infusion structure comprises a liquid storage box. A pressure bump is mounted above the liquid storage box and connected with the same through a pressure pipe. An infusion outlet is formed in the bottom of the liquid storage box and provided with a valve. A plurality of infusion pipes are connected to the infusion outlet. The tail ends of the infusion pipes are connected with infusion needles. Due to the infusion pipes, infusion can be simultaneously performed to a plurality of fruit trees and can be performed to a fruit tree by the infusion pipes to cause rapid infusion speed. Besides, with the pressure device mounted on the fruit tree infusion device, infusion speed is more rapid. The liquid storage box is provided with an air exhausting outlet and a liquid inlet pipe to firstly vacuumize the same, then the liquid is exhausted by the liquid inlet pipe, and accordingly operational convenience is achieved.

A catheter assembly is provided having a conical diffuser tip for use in rapid infusion procedures. The conical diffuser tip provides a flared opening whereby the velocity of an infusant is decreased as the infusant travels through the catheter tip and exits into the vascular system of a patient. This decrease in velocity proportionately reduces the backpressure and / or recoil force of the catheter assembly thereby permitting the use of higher infusion rates. The catheter tip is introduced into the vasculature of a patient via a splittable introducer needle.

The invention belongs to the technical field of a medical apparatus, and in particular relates to rapid infusion equipment capable of achieving induction heating and a using method of the rapid infusion equipment. The rapid infusion equipment comprises a casing, a controller, a locating rack, a directional control valve, a pressure measurement device, an air detection sensor and a liquid running-out detection sensor 101, wherein an electromagnetic induction heater, which is used for heating an infusion apparatus, and an infrared temperature sensor, which is used for detecting the temperature of infusion liquid on the inlet and the outlet of the heat exchange ring, are arranged on the casing; the directional control valve, the pressure measurement device, the air detection sensor, the electromagnetic induction heater and the infrared temperature sensor are connected to the controller; and the controller is additionally connected to an infusion pump on the infusion apparatus. The rapid infusion equipment not only can meet the requirements on existing infusion functions but also can keep liquid temperature within a constant value, so that infusion is performed nearby human body temperature; therefore, the purpose of rapid constant-temperature infusion in emergency is effectively achieved.

The invention discloses a bubble-free transfusion system, which comprises a bottle stopper puncture outfit, an air filter, a drip hopper, a flow regulator, a disposable intravenous needle and the like and is characterized in that an anti-bubble liquid dropping device consists of a dropper body, a dropper body holder and a dropper body connecting conduit. In the normal transfusion process, the anti-bubble liquid dropping device makes the pressure in the drip hopper and the external air pressure reach a critical balance state, and simultaneously, height differential pressure is formed between a liquid inlet hole on the dropper body and the top end of a liquid inlet needle, so gas and liquid can not flow out simultaneously, which ensures that no bubble exists in the transfusion process. The invention has the following advantages: 1 the bubble removing performance is stabler; 2 the drip hopper does not need to be extruded in the use process; 3 the entire transfusion operation step is simple without any additional steps; 4 no liquid medicine is left in the drip hopper when transfusion is ended; and 5 the bubble-free transfusion system is very favorable for rapid transfusion in an emergency state and strives for time for rescuing serious patients.

The invention discloses stable pressurizing equipment for a medical emergency blood transfusion or infusion bag. The problems that a traditional pressurizing mode is manual, the manual operation pressure fluctuation is large, which is not conducive to safe and rapid infusion, blood transfusion and infusion in an operating room and ICU adopt gravity or manual pressurizing bags, use scenes are limited, which is time-consuming and labor-intensive, the infusion pressure fluctuates greatly, the operation is frequent, a blood bag / liquid bag needs to be bagged when used, a residual gas is left in thebag after closed, and at the time, a pressure-filling operation on the blood bag / liquid bag is more inaccurate are solved. The equipment comprises a casing, a fixing clip and two pressurizing bags, the two pressurizing bags are respectively connected to two sides of the casing through quick-connecting plugs, the inside of the casing is connected with an inflating pressure relief device through arubber pipe, the rubber pipe includes two four-way connecting pipes, two three-way connecting pipes and two silicone pipes, and the inflating pressure relief device includes a plurality of connected single bodies.

The invention discloses a disposable automatic flowing stopping type liquid residual prevention infusion apparatus. The disposable automatic flowing stopping type liquid residual prevention infusion apparatus is composed of a liquid inlet connector, a drip chamber, a floating valve, an infusion pipe, a dripping speed regulator, a liquid medicine filter, a liquid outlet connector, a closed type air guiding mechanism, a hand-operated pressurization pump and a gallbladder-like bottle rinsing dripping-in device, wherein the closed type air guiding mechanism is additionally arranged on a liquid route above an infusion pipe and can guide purified air which comes from an infusion bottle into an infusion pipe cavity from top to bottom at the end of the infusion on that day, the hand-operated pressurization pump is additionally arranged on the infusion pipe, and the gallbladder-like bottle rinsing dripping-in device is additionally arranged on the liquid inlet connector. The disposable automatic flowing stopping type liquid residual prevention infusion apparatus is characterized in that flowing can be automatically stopped after the previous infusion bottle stops dripping; blood coagulation and liquid route blocking possibly caused by blood return in an infusion needle can be avoided; the closed type air guiding mechanism can be opened in advance and closed freely by a nurse and is safe, flexible and convenient to use, precious residual liquid in the infusion bottle and the infusion pipe can be completely infused into a human body, waste can be avoided, and the curative effect can be ensured; pressurization can be conducted so that rapid infusion can be conducted to rescue a patient; blood exposure accidents can also be avoided even when the patient faints in a toilet along with the infusion bottle. The disposable automatic flowing stopping type liquid residual prevention infusion apparatus is used for conducting clinical continuous infusion and preventing residual liquid.

The invention discloses an operating room infusion heat-preservation nursing device for heating an infusion tube and relates to the technical field of medical instruments. The operating room infusionheat-preservation nursing device for heating the infusion tube comprises a winding cylinder, wherein grooves are formed in the periphery of the winding cylinder; buckles are connected with the left sides and the right sides of the grooves in a sliding manner; batteries are placed in the winding cylinder; heating resistance wires are fixedly connected with the interiors of the inner walls of the winding cylinder; a mounting base is fixedly mounted at the top end of the winding cylinder; and an upper rotating rod is rotationally connected with the top of the mounting base. By adopting the operating room infusion heat-preservation nursing device for heating the infusion tube, a function of heating and heat preservation of infusion can be achieved, adverse influence upon a patient by large-scale rapid infusion of a low-temperature liquid can be avoided, the structure is simple, the device is capable of moving along with the infusion tube, is convenient to transfer and is simple to operate,heating temperatures can be adjusted, good convenience and rapidness can be achieved, and meanwhile, infusion comfort can be improved.

The present invention relates to a method and composition for the aspiration, processing, testing and infusion of bone marrow derived stem cells, as an adjuvant treatment in cardiovascular disorders. More specifically, the invention provides for the methods and compositions for the aspiration, analysis, processing, infusate preparation and infusion of bone-marrow derived stem cells, particularly in a rapid point-of-care environment, wherein a centrifugal fractionation and optically monitored separation of the bone marrow yield desired cellular product in the desired concentration and viscosity.

An auto-occlusion safety device is provided for use in preventing rupture of infusion components during rapid infusion procedures. An occlusion valve is disclosed having a threshold pressure that is less than a rupture tolerance of the infusion system components. As the fluid pressure of the infusion system increases beyond the threshold pressure of the occlusion valve, the occlusion valve is automatically activated thereby occluding fluid flow upstream from a vulnerable infusion component. An accumulator is further disclosed for use in combination with the safety device to compensate for time delays in full activation of the occlusion valve.

The invention discloses a rapid infusion apparatus capable of achieving induction heating. The rapid infusion apparatus comprises a liquid storage tank of which the upper end is connected with an infusion pipeline; the lower end of the liquid storage tank is connected with a heat exchange ring and an exhaust device through the infusion pipeline and an exhaust loop respectively; a positioning frame is fixed on the infusion pipeline and the exhaust loop; a liquid drain-away detection region and a pipeline identification code are arranged in the positioning frame; the heat exchange ring is connected with the exhaust device through the infusion pipeline; a direction valve control region is arranged on an infusion loop at the lower end part of the exhaust device; and the infusion pipeline and the exhaust loop are connected through a ping-pong connecting relation in the direction valve control region. The heat exchange ring can be added to the infusion pipeline; the infusion liquid can be safely heated; the condition that the temperature of a liquid medicine is kept at a normal body temperature of a human body can be ensured; meanwhile, the gas in the infusion pipeline can be collected and exhausted through the loop; at most three infusion bags can be simultaneously connected; and a lot of infusion in the emergency treatment process can be met.

The invention provides a rapid infusion method of an infusion pump and the infusion pump, and aims to rapidly set the rapid infusion amount required by a patient by operating one of common rapid infusion amount editing items based on the common rapid infusion amount editing items corresponding to the preset common rapid infusion amount presented on a common rapid infusion amount template image. Aplurality of common rapid infusion amount template images corresponding to a plurality of common rapid infusion amount editing items and images of rapid infusion amount setting items on a display system are displayed simultaneously through triggering operation of a user, when the user performs triggering operation on the images of the common rapid infusion amount editing items, displaying the images of the common rapid infusion amount template images, content updating can be carried out in the images of infusion parameter setting items on the same screen, so that switching of multiple displayinterfaces is not needed, and the user can check and verify edited information in real time. In addition, after a third trigger event generated based on the rapid infusion confirmation control item isdetected, the infusion pump is triggered to enter the rapid infusion mode, and therefore the infusion safety is further improved.

The invention discloses an infusion set. A lower base is arranged at the position, close to a plug, of an infusion pipe, a supporting frame is arranged on the lower base, an upper support is arranged on the supporting frame, three fixing screws are arranged on the upper support in the radial direction, and an infusion bag or an infusion bottle is hung on the upper support. A dropper is arranged on the infusion pipe, an air inflow pipe is arranged on the dropper, a temperature adjuster is arranged on the portion, at the lower end of the dropper, of the infusion pipe, a speed adjusting valve is arranged on the portion, below the temperature adjuster, of the infusion pipe, a needle base is arranged at the tail end of the infusion pipe, and a needle is arranged on the needle base. The flow speed of liquid medicine can be conveniently adjusted through opening and closing of a flow hole in a valve element; by means of a pressure stabilizing valve, the dripping speed of the liquid medicine can be adjusted during rescue according to requirements, and then rapid infusion can be achieved. The infusion bottle or the infusion bag is conveniently fixed, and use convenience is greatly improved; by means of the temperature adjuster, the temperature of the liquid medicine can be well adjusted in a water bath mode, and infusion comfort of the infusion set is improved.

The invention relates to an electric heating structure for infusion tubes. An electric tube heating body is arranged in the cavity of a tube body, platy heating electrodes are mounted on the electric tube heating body, a heating passage is arranged on the electric tube heating body and the platy heating electrodes, and a tube inlet and a tube outlet are respectively arranged in both ends of the heating passage. The electric heating structure for infusion tubes has the advantages of simple structure, rapid infusion tube heating, good constant temperature-keeping effect and unobstructed infusion, and effectively overcomes the defect that a cold closing state is formed in an infusion part as the result of the great difference between the liquid temperature of infusion and the temperature in the body caused of a cold weather to injure the bones or joints of the human body when people receive infusion in the cold weather.

The invention relates to a closed bicarbonate hemodialysis tank, comprising a tank body (1), a tank mouth (1-1) is arranged on the upper part of the tank body, and an inner cover (2) is arranged at the tank mouth (1-1) And outer cover (3), it is characterized in that: inner cover (2) is provided with conduit (2-2), the upper end (2-2a) of conduit (2-2) passes inner cover (2) and outer cover ( 3) connected to the top inner wall; the top of the outer cover (3) is provided with an upwardly protruding convex cavity (3-1); the top of the outer cover (3) is frusto-conical or columnar, and the outer cover (3) ) is closed at the top. The present invention can be carried out in a closed environment during use, and can prevent CO2 from escaping and dialysate from being polluted. At the same time, it also has the characteristics of good sealing effect, fast and stable infusion speed, large volume, not easy to be damaged, and convenient for transportation and storage. .

The invention discloses a rapid infusion apparatus capable of achieving induction heating. The rapid infusion apparatus comprises a liquid storage tank of which the upper end is connected with an infusion pipeline; the lower end of the liquid storage tank is connected with a heat exchange ring and an exhaust device through the infusion pipeline and an exhaust loop respectively; a positioning frame is fixed on the infusion pipeline and the exhaust loop; a liquid drain-away detection region and a pipeline identification code are arranged in the positioning frame; the heat exchange ring is connected with the exhaust device through the infusion pipeline; a direction valve control region is arranged on an infusion loop at the lower end part of the exhaust device; and the infusion pipeline and the exhaust loop are connected through a ping-pong connecting relation in the direction valve control region. The heat exchange ring can be added to the infusion pipeline; the infusion liquid can be safely heated; the condition that the temperature of a liquid medicine is kept at a normal body temperature of a human body can be ensured; meanwhile, the gas in the infusion pipeline can be collected and exhausted through the loop; at most three infusion bags can be simultaneously connected; and a lot of infusion in the emergency treatment process can be met.

The present invention relates to a method and composition for the aspiration, processing, testing and infusion of bone marrow derived stem cells, as an adjuvant treatment in cardiovascular disorders. More specifically, the invention provides for the methods and compositions for the aspiration, analysis, processing, infusate preparation and infusion of bone-marrow derived stem cells, particularly in a rapid point-of-care environment, wherein a centrifugal fractionation and optically monitored separation of the bone marrow yield desired cellular product in the desired concentration and viscosity.

The invention discloses a disposable locking type pressure precise filtering closed infusion set belonging to the technical field of medical appliances. The invention adopts the technical scheme as follows: the disposable locking type pressure precise filtering closed infusion set consists of a disposable locking type precise filtering infusion set and an air-storing bag, wherein the disposable locking type precise filtering infusion set comprises a bottle plug puncture unit projecting jacket, a bottle plug puncture unit, a burette, an injection piece, a dropping funnel, a liquid medicine precise filter, a pipeline, a flow rate adjustor, an outer conical joint, an outer conical joint protecting jacket, a locking type outer conical joint and a floating ball; and the air-storing bag comprises a bag body, a pipeline, a flow rate adjustor, a locking type inner conical joint, an inner conical joint protecting plug and an air precise filter. The disposable locking type pressure precise filtering closed infusion set can realize the locking type connection of the air-storing bag and the disposable locking type precise filtering infusion set and adopts high-pressure clean air in the air-storing bag as the power for infusing the liquid medicine, in addition, the liquid medicine is precisely filtered, and fully closed infusion can be performed quickly with controllable flow rate of the liquid medicine. The invention can avoid air pollution in the infusion process, can prevent bacteria, virus and dust from entering the human body, prevent infusion reaction and phlebitis from occurring and prevent air embolism from generating caused by negligence of personnel to endanger the life.

The invention discloses a single-ball air pressurizer for use in rapid infusion. The single-ball air pressurizer consists of a pressure ball, a one-way air inlet valve and a one-way air outlet valve, wherein the pressure ball is made of rubber; the one-way air inlet valve and the one-way air outlet valve are arranged at the two ends of the pressure ball respectively; an air filter is further arranged at the inlet of the one-way air inlet valve; an air outlet joint is further arranged at the outlet of the one-way air outlet valve. By adopting the pressurizer, the air outlet joint can be inserted into an air inlet tube of an infusion set conveniently, and the inside of an infusion bottle is pressurized by operating the pressure ball. The pressurizer is simple in structure and low in price. When the inside of the infusion bottle is pressurized by using the pressurizer, the pressurizer can be operated conveniently, rapidly and efficiently, so that the workload of medical personnel is reduced greatly. The air filter is further arranged on the one-way air inlet valve, so that pollution of air on liquid medicaments is lowered at a certain degree.

The invention discloses a first aid method of non-gravity infusion. The method includes the following steps: S1, performing infusion preparation; S2, entering an infusion state; S3, collecting initialjudging information; S4, realizing rapid infusion; S5, guaranteeing the safety of infusion; S6, completing infusion; and S7, performing information long-distance transmission. During infusion, the speed of infusion can be timely adjusted according to blood pressure signals, heart rate signals, blood oxygen signals and body temperature signals, so that rapid infusion can be realized; and the method also has various safety assurance functions such as automatic bubble alarm and alarm of poor infusion, so that the safety of infusion can be ensured, and the entering of air can be prevented.

The invention discloses an accurate, safe, convenient and rapid infusion dressing change method. The method comprises the following steps of S01, information acquisition is carried out, specifically, before infusion, medical personnel read medicine information by using information acquisition equipment and mark the total medicine capacity V; and S03, infusion time is judged, an infusion control robot acquires the current infusion speed v, and sets a control variable K, in the infusion process, a system calculates medicine infusion stop time T through the parameters, wherein the infusion stop time T = the total medicine capacity V * the control variable K / the infusion speed v. According to the method, when infusion is about to be finished, infusion can be accurately stopped according to a set range, medical personnel can be informed to change medicine or stop infusion, and air is isolated in the dressing change process after infusion is finished; and the technology is applied to an intelligent control infusion robot, and when about to be finished, the infusion can be stopped in time, and medical personnel can be informed of handling.

Under a reduced-pressure environment, stopping at will liquid that flows out from a nozzle tip, or dispensing liquid with the level of energy at which it will not splatter has proven difficult. To address such difficulties, parameters including nozzle bore, and surface tension and viscosity of, and delivery pressure on, a liquid are selected so that the surface tension that acts on the liquid when flowing out from the nozzle tip will be greater than the momentum of the liquid. By dispensing liquid under such conditions, outflow of the liquid is reliably controlled, and rapid infusion work is realized.

The invention relates to a rapid infusion device. The rapid infusion device comprises a vein needle, a protection cap, an infusion hose, a liquid medicine filter, a flowing speed regulator, a drip cup, a bottle stopper puncture device and an air inlet pipe, and is characterized in that the lower end of the bottle stopper puncture device is connected with the infusion hose and the air inlet pipe, the liquid medicine filter and the drip cup are arranged on the infusion hose, the lower end of the infusion hose is connected with the vein needle, the protection cap is arranged on the vein needle, and the flowing speed regulator is arranged on the outer portion of the infusion hose. The air inlet pipe is composed of a filtering film, a fixed rubber plug, a movable rubber plug and a pipe body. The filtering film is arranged at the top end of the air inlet pipe. The fixed rubber plug is arranged on the lower face of the filtering film. The movable rubber plug is arranged on the lower face of the fixed rubber plug. The rapid infusion device has the advantages that use is convenient, the patient rescue time is shortened, the rapid infusion device can be used for conventional gravity infusion and can also be used for rapid infusion in the first-aid process, and liquid medicine is prevented from flowing out of the air inlet pipe in the rapid infusion process.

The invention relates to an infusion pressurizer. The infusion pressurizer is characterized by comprising a sealed container and an inflating and pressurizing unit, the sealed container comprises a top cover and a pressure-bearing airbag, the top cover is hermetically connected at the position of the upper opening of the pressure-bearing airbag, the inflating and pressurizing unit is connected with the sealed container, and the inflating and pressurizing unit is used for inflating and pressurizing the sealed container; the pressure-bearing airbag is internally used for placing a liquid storage bag of an infusion set, and a hook component used for hanging the liquid storage bag is arranged at the bottom of the top cover; an outlet catheter is arranged at the bottom of the pressure-bearing airbag, an infusion tube of the infusion set penetrates the outlet catheter, and a closing-up nut is matched in the outlet catheter and is used for closing up the outlet catheter to enable the outlet catheter to be tightly sealed with the infusion tube penetrating the outlet catheter. The infusion pressurizer is simple in structure, convenient to operate and capable of being used repeatedly with an existing infusion set, increasing infusion speed, lowering hanging height requirements and providing rapid infusion service for patients in short time.

The invention discloses a disposable membrane-type automatic flow-stopping and liquid-residue-preventing infusion device, which consists of a liquid inlet interface, a bile-like rinse bottle dripper, a dripping funnel, a membrane valve, a controllable liquid path recirculation mechanism, an infusion Tube, drip speed regulator, liquid outlet interface and reversing pump arranged on the infusion tube. Its advantages are: ① It can automatically stop the liquid, thereby avoiding the trouble, waste and possible occupational infection caused by separating the infusion needle for draining and exhausting the liquid; ② It can drain the precious residual liquid in the infusion bottle and the infusion set Infusion into the human body can not only avoid waste, but also ensure the curative effect; ③ It can intercept and collect the endogenous air bubbles in the infusion tube and discharge them upwards into the dripping cavity; ④ It can avoid the blockage of the liquid path caused by blood return and blood coagulation. Possible blood exposure accidents; ⑤ It can pressurize rapid infusion to rescue patients and avoid operation accidents and mistakenly pump the gas in the infusion tube into the human body. It is a multifunctional infusion set, which is used for long-term drip infusion of a large amount of infusion for clinical patients, especially severe patients in mid-winter season.

The invention discloses a rapid infusion and blood transfusion device with manual pressurizing. The rapid infusion and blood transfusion device comprises a manual pressurizing part, a liquid inlet pipe arranged on the upstream of the manual pressurizing part and a liquid outlet pipe arranged on the downstream of the manual pressurizing part, a first branch pipe and a second branch pipe are arranged on the upstream of the liquid inlet pipe, and the upstream of the first branch pipe is connected with an infusion bag or a blood transfusion bag; and the upstream of the second branch pipe is connected with normal saline. The rapid infusion and blood transfusion device is formed in one time and has leakproofness, and a normal saline side puncture needle does not need to be repeatedly inserted and pulled out; the material of the manual pressurizing part has resilience and can easily achieve pressurization; the manual pressurizing part has the volume of about 100ml and is provided with scales,so that the volume of transfused blood can be visually mastered, and the manual pressurizing operation is simple and convenient in combination with a water stop switch and an adjusting clamp.