105 results about "Infusion time" patented technology

An infusion system comprises a first pump device that delivers a first infusate, preferably a medication, to an IV infusion line and a second pump device that delivers a second infusate, preferably a neutral carrying solution, to the IV line. The infusion system also includes a measurement device that determines an amount of undelivered first infusate remaining in a receptacle. Furthermore, the infusion system includes a control system that communicates with the first and second delivery devices and the measurement device to determine an optimum first infusate infusion flow rate based on the determined amount of undelivered first infusate remaining in the system, a predetermined volume of fluid to be infused, and a predetermined infusion time period, and for controlling the first delivery unit accordingly. The present invention also provides methods for infusing a medication into a patient.

When using a drug container having an identification tag fixed or detachably provided at a predetermined position of the container, the tag having drug data on a kind and a concentration of a drug and both or one of upper and lower limits of a flow rate on a continuous infusion and the upper and lower limits, time and flow rate on a one-shot administration recorded thereon, it is possible to ensure safety by prompting for a stop of injection by a warning when a setting beyond the upper and lower limits is performed and rewrite a liquid infusing time and a flow rate and so on required to be set according to symptoms of a patient.

This invention is a device for the production of beverages made by the addition of water as described, in particular brewed hot beverages, such as soups etc., and in particular tea or coffee, whereby the invention comprises a liquid tank and a movable screen basket which holds the material used for the infusion, whereby the gap between the screen basket and the inside wall of the tank in the direction of movement of the screen basket is such that when the screen basket is moved, essentially the entire volume liquid in the tank flows into the screen basket with the aim of achieving a targeted flow of liquid through and around the material which is being infused. A process is provided for the production of beverages made by the addition of water,in particular brewed hot beverages, or soups etc., whereby the quantity of liquid in the tank is measured before the production process begins, the liquid in the tank is heated or cooled to a set temperature and the appropriate brewing or infusion time is calculated dependent on the measured quantity and/or temperature of the liquid and/or the nature of the beverage being produced.

A method for infusing fruits and vegetables with prebiotic soluble fibers in the form of either short chain fructooligosaccharides or dextrins. Fruits and vegetables are submerged in an infusion solution of prebiotic soluble fiber, and undergo both atmospheric and vacuum infusion processes. The infusion solution is maintained at a temperature of between about 45° F. to about 50° F. and at a Brix of about 30° to about 60°. Vacuum (low pressure) pulses are applied to the product to expedite solids infusion (mass transfer) and thereby decrease infusion time and the product is subsequently vacuum fried to attain a great-tasting, fiber-enriched and aesthetically-pleasing fruit or vegetable product with reduced sweetness, good texture, and an enhanced natural taste with less than 2% moisture by weight and a significantly long shelf-life of up to 12 months.

The invention introduces an infusion method of a Ni-MH used battery anode and cathode mixed material, which is implemented by putting the anode and cathode mixed material separated from Ni-MH used battery in a pressure-resistance, sulfuric acid and nitric acid resistance container, sealing the container and pumping sulfuric acid and nitric acid into the container, and injecting industrial pure oxygen to carry out infusion on the Ni-MH used battery anode and cathode mixed material. The infusion temperature is 20-100 DEG C, the infusion pressure is 0.05-0.5MPa, the sulfuric acid initial concentration of infusion is 1-5mol/L, the nitric acid initial concentration of infusion is 5-20g/L, the infusion time is 1-5h, and the speed of stirring in the process of infusion is 30-100r/min. The addition of sulfuric acid is 101-200% of nitric acid theoretic consumption infused by all metal in the anode and cathode mixed material added into the container.

A system and method for determining whether the pressure in a fluid line upstream of an infusion pump is becoming lower as pumping draws fluid from the fluid line and fluid container due to a lack of proper venting. An initial pressure is sensed by an upstream pressure sensor at the start of an infusion. After a period of time, which may be determined either by monitoring infusion time or the number of pump cycles completed, a second pressure is sampled and compared to the initial pressure. Various analytical methods may be applied to the sensed pressures to determine upstream pressures or trends. Where an upstream pressure reading indicates a lack of proper venting, an alert signal is provided. Continuous monitoring may occur in which succeeding samples are compared to preceding samples to determine upstream pressures or trends.

The present invention provides a method for specifically and sequentially purifying catechins from a plant product. More particularly, the present invention provides a method for purifying EGC and EGCG from green tea leaves by sequential brewing at different brewing temperature and for specific infusion times.

The invention provides preserved olive fruit which is short in production period and has the function of moistening the throat, and a processing method of the preserved olive fruit. According to the method, the preserved olive fruit is obtained by mixing peeled olive on which whipping and enzymolysis are conducted with homologous Chinese herbal medicine according to a certain proportion and conducting intermittent vacuum tumbling, back pressure sugar infusion and drying. The method has the advantages that peeling is conducted through whipping and enzymolysis, the peeling effect is good, efficiency is high, the taste is good, and the problems of the high sewage processing cost and the high labor cost are solved; the intermittent vacuum tumbling technology is adopted, the texture of olive is improved through tumbling, olive tissue is softened and tenderized, and the later-period vacuum sugar infusion time is shortened; the back pressure concentration sugar infusion technology is adopted, sweet water concentration and sugar infusion are combined, effective components, such as olive flavonoid, which have the functions of clearing heat from throats and clearing throats are reserved, the production period of the preserved fruit is greatly shortened to 3 days from the traditional 15 days, and the production efficiency is greatly improved.

The invention provides an intelligent infusion system which aims at overcoming the defects of an existing infusion technology. The intelligent infusion system is characterized by being composed of a drug solution storage device, a catheter, an infusion device, an infusion valve, a liquid level sensor, a controller and an alarm device. The working principle comprises the steps of based on liquid level information provided by the liquid level sensor, carrying out intelligent control on the infusion device and the infusion valve through the controller, achieving control over infusion time, flow speed and flow-path switching so as to achieve the fact that the infusion system allows a drug solution to be automatically input into veins of a patient to achieve treatment effects, and providing an alarm service before infusion is completed so as to remind a medical worker of completeness of the infusion. According to the intelligent infusion system, intelligent control of the whole infusion process can be achieved, the patient or the medical worker does not need to conduct manual monitoring in real time in the whole infusion process, working efficiency is greatly improved, and the intelligent infusion system has important application value and significance in the field of medical diagnosis.

The invention belongs to the field of medical instruments, and relates to a positive-pressure continuous liquid supply device. The positive-pressure continuous liquid supply device comprises a positive-pressure liquid storage bag and a joint, wherein the positive-pressure liquid storage bag is made of elastic material; a one-way medicine adding opening and a medicine outlet are formed in the positive-pressure liquid storage bag; the medicine outlet is connected with the joint through a flow limiting tube. The positive-pressure continuous liquid supply device can provide continuous positive pressure and realize continuous liquid supply; during the liquid supply process, the output speed and output amount of medical liquid can be limited through the flow limiting tube to guarantee the fact that the infusion time (namely the liquid supply time) for injecting medical liquid through the positive-pressure liquid storage bag is within the planned time range; the device is suitable for medical instruments requiring intravenous indwelling, and is wide in application range. The invention further relates to a venous indwelling needle provided with the positive-pressure continuous liquid supply device and a central venous catheter provided with the positive-pressure continuous liquid supply device. The venous indwelling needle and the central venous catheter have the effects of the positive-pressure continuous liquid supply device, and further have the advantages of being capable of preventing reverse flow of blood, preventing thrombus, avoiding sealing tube, and avoiding flushing tube.

The invention relates to the technical field of medical auxiliary equipment, and discloses an infusion early warning method and equipment. According to the infusion early warning equipment, by using a sensor arranged at the opening of an infusion bottle, the current pressure value and the current infusion velocity are detected in real time, according to the detected current pressure value and the current infusion velocity, the remaining infusion time is calculated, the remaining infusion time is compared with a preset time duration, whether the remaining infusion time is smaller than the preset time duration is judged, and when the remaining infusion time is smaller than the preset time duration, liquid inside the infusion bottle is little left, and the infusion is almost finished. Then, the infusion early warning equipment generates warning information, the warning information is sent to related terminal equipment, a medical staff can timely adopt a corresponding measure according to the warning information, the patient and family members do not need to pay attention to the infusion schedule, a blood backflow condition can be effectively avoided, and the problem that the patient can not take a rest during the infusion period can be solved.

The invention relates to a method for achieving a medical massive health supervision and service system. A preset subsection infusion time frame speed module is additionally arranged in an existing intelligent static venous infusion monitoring system; the structure and function of a comprehensive life monitoring system are optimized, an intravenous drip measuring system is integrally changed into a separated structure, and an embedded intelligent operation system is adopted for managing equipment. An intelligent APP is developed; micro comprehensive life monitoring equipment built-in WIFI is arranged to assist in positioning, and an A-GPS or GPS or Beidou satellite positioning function is achieved. The method has the advantages that according to the technology, a patient logs in to an internet cloud service platform through intelligent equipment in any place and at any time to download examination reports, medical records and other information, the problem that visiting experiences are hard to store is thoroughly solved, meanwhile, historical data is provided for a later enterprise service platform to help the patient to analyze pathogenesis, and bases are provided for formulating diet improving and motion improving plans.

The invention discloses a medical infusion control method. The method comprises the steps: acquiring the density value of infusion liquid in a medical data system; acquiring the residual weight valueof the infusion liquid through a gravity sensor arranged at the bottom of an infusion bottle; acquiring the infusion speed value in real time by detecting the opening degree of a flow pushing device on an infusion flow guide pipe; performing calculating to obtain volume value of the remaining infusion liquid according to density value and remaining weight value, and calculating the volume value and the infusion speed value to obtain the remaining infusion time of the remaining infusion liquid; and sending out an alarm signal when the remaining infusion time is smaller than a preset first timethreshold value. According to the invention, the residual infusion time of the infusion liquid is obtained by calculating and by detecting the opening degree of the flow pushing device, the density value of the infusion liquid and the residual weight value; the alarm signal is sent out by setting a time threshold value for judgment, the situation that an infusion needle is still not pulled out after infusion is finished is prevented, harm conditions such as air input or blood return of a patient are avoided, and life safety of the patient is guaranteed.

The invention discloses an infusion time monitoring device and method. The infusion time monitoring device comprises a tension sensor arranged at a hook at the top of an infusion apparatus, and a micro control unit connected with the tension sensor, the micro control unit comprises a communication module and a calculation unit, the tension sensor uploads measured tension of an infusion bottle to the micro control unit, the calculation unit calculates volume of liquid in the infusion bottle according to data measured by the tension sensor, and the micro control unit sends volume information of the liquid in the infusion bottle to a duty room through the communication module to timely inform medical staff. The infusion time monitoring device is recyclable, can monitor time in real time and has an alarm finishing function, a patient can accurately set infusion time according to own will to realize seamless connection with other things and reasonable arrangement of work on hand. The medical staff can acquire infusion information of the patient so as to timely replenish liquid and finish infusion to realize orderliness.

The invention provides an arm posture nursing warning device suitable for medical infusion, and relates to the technical field of medical infusion. The problems that when a patient is subjected to arminfusion, due to the fact that the infusion time is long, the patient is prone to unconsciously rotating the arm in the infusion process, the position of a needle head moves, and consequently the infusion part bulges are solved. The arm posture nursing warning device suitable for medical infusion comprises a fixing base, wherein the fixing base is slidably connected with a bearing mechanism; anda warning mechanism is installed in the bearing mechanism in a limited mode, and the warning mechanism is in sliding insertion fit with the fixing base. When the included angle between the top end face of a semicircular block and the top end face of the fixing base exceeds 10 degrees, a copper conducting strip makes contact with a conducting block A and a button cell, so that a power source in a rectangular shell is switched on, a buzzer makes a sound, and then the patient is reminded to return to the original position in time, and as a result, the problems that the arm is excessively rotated,the position of the needle head moves, and consequently the infusion part bulges are avoided.

The invention relates to an infusion remaining time obtaining method and an infusion electronic scale. The infusion remaining time obtaining method of the invention comprises the following steps: S1,obtaining a plurality of consecutive remaining weight values and weight change values of the infusion electronic scale in a first time period; S2, comparing a plurality of continuous weight change values, obtaining the continuous difference of the weight change values, confirming whether the continuous difference meets the first preset condition, and if so, executing steps S3, S3, obtaining the remaining weight value and the corresponding time point, and calculating the corresponding relationship between the remaining weight value and the time; S4, obtaining the current weight value of the infusion electronic scale, and calculating the infusion time of the remaining liquid according to the corresponding relationship between the remaining weight value and the time. The invention can accurately calculate the infusion speed and obtain the remaining time of infusion, and has high accuracy.

The invention discloses an infusion timing reminding device for internal medicine nursing. The infusion timing reminding device comprises a weight sensor for detecting the weight of the liquid medicine in an infusion bag, a controller connected with the weight detection sensor and used for acquiring the liquid medicine weight information measured by the weight sensor, a timer connected with the controller and used for timing the infusion time and an intelligent terminal connected with the controller through a wireless network, wherein the controller calculates the average infusion speed according to the weight reduction amount of the liquid medicine in a certain time and calculates the residual infusion time according to the residual amount of the liquid medicine, the intelligent terminalis provided with a display screen for displaying infusion bag information or patient information, the intelligent terminal is provided with an alarm set value button for setting the remaining infusion time, and when the controller detects that the remaining infusion time reaches a set value, an alarm prompt is sent to the intelligent terminal. According to the device, the function of completely unattended infusion is achieved, the safety of a patient infusion process is guaranteed, and a large amount of human resources are saved.

A controlled system for brewing infused beverages that includes an infused beverage brewing assembly operably configured to receive infusion beverage parameters that include a dispensed solvent volume and a total infusion time utilized in an infusion algorithm generating a solvent flow rate change that is a function of the dispensed solvent volume and the total infusion time. The system also includes a solvent flow management system having a pump operably configured, based on the infusion algorithm, to generate an infused solution and includes an electronic control system communicatively coupled to the solvent flow management system and operably configured to initiate a counter associated with the inducement of the flow of the solvent to generate a running infusion time and execute the infusion algorithm to generate a solvent flow rate change sufficient to provide a remaining infusion volume in a remaining infusion time based on the input parameters.

The invention discloses an infusion long-range warning system based on wireless communication. The infusion long-range warning system comprises an infusion warning device arranged on an infusion bottle, a receiving gateway, a server and a display screen, wherein the infusion warning device comprises a sensing module, a controller and a wireless communication module; the sensing module is used fordetecting dosage data on the infusion bottle; the controller is used for calculating out residue infusion time according to the dosage data and the predetermined infusion velocity, and controlling thewireless communication module to transmit the dosage data and the residue infusion time; the infusion warning device is in wireless connection with the receiving gateway; the receiving gateway is incommunication connection with the server; and the server is in communication connection with the display screen. The infusion long-range warning system disclosed by the invention adopts a manner of wireless communication, and an infusion warning signal is transmitted out, so that a wireless signal is converted into an IP signal through gateway receiving equipment, the IP signal is transmitted to the background server, and the background server can push information to the display equipment in a nurse station in a long-range manner, so that an infusion rod is convenient to move through a wireless warning function.

Disclosed is an automatic monitoring system for intravenous infusion. Intravenous infusion is a widely adopted medical method, namely blood, medicine and nutrient are directly infused into the vein of a patient. In many intravenous infusion processes, medical accidents are caused by flow speed of liquid, infusion time, the experience of medical staff and the like, the loss of the patient is caused, and even the life of the patient is threatened. The digital and intelligent automatic monitoring system for intravenous infusion comprises an intravenous infusion instrument, a pressure sensor, a signal amplifier, an analog-digital converter, a Bluetooth adapter, and a mobile terminal supporting the Android system. The automatic monitoring system for intravenous infusion adopts an advanced intelligent tablet computer system to monitor and record the whole process of intravenous infusion, not only is high in sensitivity and simple to assemble, but also achieves economic benefits, and has the advantages of cyclic utilization and environment protection.

The invention discloses an infusion safety control device. The infusion safety control device comprises an infusion time control device, an infusion alarm device, and an infusion heating device. The invention aims at providing an infusion safety control device which is novel and reasonable in structure, convenient and fast to use, safe and reliable, and capable of effectively preventing infusion medical accidents from occurring and reducing nursing work difficulty. The infusion safety control device has important clinical significance. A time-controlled infusion technology is adopted to conduct settings for five minutes before infusion liquids are all dropped, so that a nurse can timely go to a ward to draw back a needle. A time control circuit and a display circuit in the infusion time control device are connected with the infusion alarm device through a change over switch, and when power of the time control circuit and the display circuit is cut off, automatic alarm is triggered, and a sound-light alarm effect is achieved. Negative effects that a small amount of air enters blood vessels, blood returns and cruor blocks a needle head due to the fact that the needle is not drawn back timely are avoided. The technical scheme that the infusion heating device is arranged aims at avoiding the phenomenon that a patient feels uncomfortable due to the infusion at a low temperature. An infusion temperature which meets human body blood circulation is reached. The infusion safety control device is widely used in the infusion clinical applications in hospitals and nursing homes.