433results about How to "Accurate dosage" patented technology

The invention relates to an enzyme-linked immune analysis method and a fully-automatic enzyme-linked immune analyzer. The analyzer comprises a rack component, a washing component, a sample adding / reagent adding component, a heating and temperature control component, a fluid path system, an input and output device, an optical measurement component and a control system, wherein the rack component comprises a rack soleplate; a pillar is arranged on the rack soleplate; a lower fixed plate and an upper fixed plate are arranged on the pillar from bottom to top in sequence; a circular reaction plate is arranged between the lower fixed plate and the upper fixed plate; the circular reaction plate is connected with the upper fixed plate and the lower fixed plate through a central shaft; a first motor is fixedly arranged at the lower part of the lower fixed plate; and the first motor is used for driving the circular reaction plate to rotate through a first transmission mechanism. When in use, the enzyme-linked immune analysis method and the fully-automatic enzyme-linked immune analyzer can carry out the detection of corresponding projects without wasting reagent through only one sample; and detection reagents need not to be respectively contained in different reagent bottles, so that the operation is very convenient, and the operation error is not easily caused, thereby ensuring the accuracy of the detection results.

The invention relates to the field of track beams, in particular to a straddle type single-track double-box rectangular steel-concrete composite track beam structure. The straddle type single-track double-box rectangular steel-concrete composite track beam structure comprises two steel-concrete track main beams parallel to each other; the two steel-concrete track main beams are connected through crossbeams below and a low plain longitudinal; each steel-concrete track main beam comprises a steel beam structure with a box-type cross section and a concrete cuboid structure with a rectangular cross section; each concrete cuboid structure is positioned above the corresponding steel beam structure and is connected with the steel beam structure through shear nails; the span of each steel-concrete track main beam is 30-80 meters; the cross beams are I beams and are in bolt connection with cross beam connecting plates of the steel-concrete track main beams; the low plain longitudinal is a diamond truss, and plain main rod piece parts are respectively connected with the steel-concrete track main beams and the cross beams. The straddle type single-track double-box rectangular steel-concrete composite track beam structure can be suitable for building double-line large-span track beams, and the double-line large-span track beams are large in span, high in transverse stiffness and high in transverse stress performance structurally.

The invention provides a method for immunologically detecting an anti-SmD1 antibody IgG on the basis of an enzyme-linked immunosorbent assay principle and a reagent device , which relate to an analysis method used for enzyme-linked immunosorbent assay of the anti-SmD1 antibody IgG independently, individually and disposably, a reagent device and a matched reagent. In the method, a plurality of reagents required in the enzyme-linked immunosorbent assay of the anti-SmD1 antibody IgG can be contained in one analyzing device; and according to the method, relevant immunological tests can be conveniently conducted according to using requirements on the tested project, and better basis is provided for clinical practice.

The invention provides a method for realizing immunization detection for an anti-nucleosome antibody IgG (intravenous gamma globulin) based on the enzyme-linked immunoassay principle and a reagent device therefor; and an analytic method, the reagent device and an assorted reagent are independently, individually and disposably used for detecting the anti-nucleosome antibody IgG based on enzyme-linked immunoassay. Various reagents needed by enzyme-linked immunoassay for the anti-nucleosome antibody IgG are contained in one analytic device; and by using the method, the related immunology detection can be conveniently carried out according to the using requirements of detection items so as to provide better basis for clinical application.

The invention discloses an automatic quantification supply control system. The automatic quantification supply control system comprises a weighing proportion mixer, a dryer, a weighing barrel, a main control panel, and negative pressure wind pipes and distribution pipes for connecting with vacuum hoppers of multiple injection molding machines, wherein the negative pressure wind pipes are connected with a fan; the negative pressure wind pipes connected with all the injection molding machines are respectively provided with exhaust control valves; the weighing proportion mixer is connected with the dryer through a main feed pipe; the dryer is provided with a quantification blanking valve for blanking to the weighing barrel; a discharge port communicated with inlets of the distribution pipes is formed in the lower end of the weighing barrel; the quantification blanking valve, the weighing barrel and all the exhaust control valves are connected with the main control panel; and the main control panel controls the opening / closing of all the exhaust control valves and the quantification blanking valve according to the dosage setting and recording conditions of all the injection molding machines in working. The automatic quantification supply control system uses the weighing proportion mixer and the dryer in a concentration manner to realize the centralized treatment of raw materials, so that the working efficiency is improved, the energy is saved, the production cost is reduced, and the enterprise economic benefit is increased.

The present invention relates to an antioxidant and anti-aging astaxanthin health-care composition and preparation method thereof. The composition comprises the following components in parts by weight: astaxanthin 120-160 parts, lycopene 83-133 parts, and grape seed extracts 67-89 parts. The composition can be processed into hard capsules, soft capsules and oral liquid by adding accessories accepted by the pharmaceutical technology. By using astaxanthin, lycopene, and grape seed extracts as raw materials, aiming at the physical signs and food culture features of Chinese people, and scientifically quantifying and blending the raw materials, the composition maximally exerts the synergistic effect of anti-oxidation, and makes the functional features of these three varieties complement each other, thus leading to comprehensive antioxidant effect and remarkable anti-aging effect.

The invention discloses a cold disinfection method for a cip center control system of a milk product production line. The cold disinfection method is used for carrying out cold disinfection on a milk collecting pipeline, a milk tank car, a raw material storage tank and a homogenizing machine and comprises the following steps of (1) starting the cip center control system to primarily clean a production line; (2) emptying an acid liquor in an acid pickling tank in the cip center control system, and inputting a cold disinfectant; (3) regulating the acid pickling temperature to normal temperature through the cip center control system, and setting the acid pickling process time within 8-15 minutes; starting the cip center control system to carry out an independent acid pickling process; (4) flushing with water for 3-5 minutes after ending the acid pickling operation in the step (3); and (5) emptying the cold disinfectant in the acid pickling tank, flushing to be clean, and then, conveying the acid liquor discharged in the step (2) to the acid pickling tank. By using the cold disinfection method for the center control system, automatic cold disinfection is realized, both the disinfection process waiting time and the disinfection time are greatly shortened, and the cip disinfection efficiency in the production process is increased.

The invention belongs to the field of materials, and discloses a semi-latent curing type single-component polyurethane waterproof coating and a preparation method thereof. The preparation method comprises the following steps: 1) uniformly mixing polyether polyol, a plasticizer, a defoaming agent, a dispersing agent and solid powder, heating, and carrying out vacuum dehydration; 2) when the moisture content in the mixture in the step 1) is less than or equal to 0.02 wt%, and cooling the mixture, when the temperature is reduced to 75-85 DEG C, adding solvent oil, continuously cooling the mixtureto 60-70 DEG C, adding isocyanate, then heating the mixture to 80-90 DEG C, and carrying out a reaction; 3) cooling the mixture obtained in the step 2), then adding a catalyst, heating the mixture, and carrying out a reaction; and 4) cooling the mixture obtained in the step 3), adding a latent curing agent and a leveling agent, continuously cooling to 40-60 DEG C, and degassing the product undervacuum to obtain the semi-latent curing type single-component polyurethane waterproof paint which has the advantages of no bubbles in appearance, high drying speed and favorable storage performance.

The invention discloses a printer consumable management system and a printer. The printer consumable management system comprises a consumable chip module, a consumable amount detection module and a consumable control module, wherein the consumable chip module is used for communicating with the printer so as to carry out data access and exchange and realize the identification of consumables and thereading and updating writing of allowances and states of the consumables, and being matched to complete the safety authentication and identification on a consumable chip by the printer; the consumable amount detection module is used for realizing the accurate detection of the allowance of each consumable of the printer; and the consumable control module is used for reading the data of the consumable chip module to complete the safety authentication and identification on the consumables, dynamically and periodically reading the consumable amount data returned by the consumable amount detectionmodule in real time, calculating the consumable amount, and updating the consumable amount data. According to the printer consumable management system and the printer, the problems that the ink dot counting scheme for a traditional printer causes inaccurate calculation on the consumption of consumables and difference between the calculated consumption and the actual consumption are solved, the consumables are prevented from being increased due to the inaccurate calculation of the consumable amount, and the consumable management is convenient.

The invention discloses a traditional Chinese medicine preparation for treating ulcerative colitis. The traditional Chinese medicine preparation comprises the following raw materials: bletilla striata, pericarpium granati, membranous milkvetch root, white paeony root, common yam rhizome, costustoot, skyblue broomrape herb, largehead atractylodes rhizome, Indian buead, divaricate saposhnikovia root, common macrocarpium fruit, Chinese magnoliavine fruit, golden thread and tangerine peel. Chinese pulsatilla root, dahurian patrinia herb and amur corktree bark are added for people with heavy dampness and heat and incessant dysentery. Officinal magnolia bark, bitter orange, kudzuvine root, charred malt, charred hawthorn fruit and charred medicated leaven are added for people with intestine and stomach dyspepsia, stomachache, abdominal distension and less ache after diarrhea. Chicken's gizzard-membrane, nutmeg and malaytea scurfpea fruit are added for people with incoordination between the liver and the spleen and heavy cold dampness in phlegm. Through the application of the traditional Chinese medicine preparation for treating ulcerative colitis, the purposes of checking diarrhea and reducing inflammation, resolving tetany and relieving pain, modifying local blood circulation and metabolism, enhancing the intestinal immune function and promoting the healing of ulcer can be reached. And through the application of the traditional Chinese medicine preparation for treating ulcerative colitis, the medicine can directly act on nidus; and meanwhile, the traditional Chinese medicine preparation for treating ulcerative colitis can be used for local washing and cleaning, and is simple and convenient in production process, less in toxic and side effects, convenient to apply, easy to produce, low in cost, short in healing time and relapse-free after healing.

The invention discloses a lamotrigine dry suspension. The lamotrigine dry suspension comprises lamotrigine and other pharmaceutical-grade auxiliary materials, wherein the auxiliary materials include a filling agent, a suspending aid, a buffer agent, a sweetening agent, a flavor agent and a flow aid. The lamotrigine dry suspension has the advantages of liquid suspensions that the taste of medicines is improved, the medicines are easy to be taken, and the stability of medication dosage is improved; furthermore, the chemical and physical stabilities of a preparation can be improved, and the quality of the lamotrigine dry suspension is improved.

A non-aluminum additive for frying the twisted dough sticks with loose, crisp and well foamed advantages and delicious taste is prepared from the acidic component consisting of calcium di-hydrogen phosphate, citric acid and starch and the alkaline component consisting of sodium dicarbonate, sodium carbonate, ammonium dicarbonate and Mg salt through respective pulverizing, respectively packing in small bags, and packing two small bags in a big bag. It has health-care action.

The invention provides a method for optimizing and controlling the little-cutting fluid processing technology in the machining process. The method comprises the following steps that the machining performance parameters of a machine tool are set when a machining device cuts a workpiece, a multi-objective optimization model with the machine tool performance in the machining process as the constraint condition and with the cost and the cutting fluid amount as optimization objectives is established, a little-cutting fluid processing technology parameter optimization model is established through the multi-objective optimization model and constraint, a multi-objective evaluation function and constraint are converted into a single-objective evaluation function, the single-objective evaluation function is optimized through the mixed genetic algorithm to obtain the cutting parameter value when the amount of the cutting fluid is minimum, and the cutting parameter optimization is finished. The amount of the cutting fluid in the machining process is more accurate through the method, the manufacturing cost is reduced, and support is provided for little-cutting fluid processing technology planning and technology improving in the machining process.

An exterior-applied medicine in the form of effervescent tablet for treating gynopathy is prepared from PP powder, chlorhexidine acetate, citric acid, sodium bicarbonate, menthol, and 7 Chinese-medicinal materials including flaverscent sophora root, cnidium fruit, stemona root, etc.

The invention discloses an anesthesia depth monitor adopting multiple monitoring indexes. The anesthesia depth monitor is characterized by comprising an acquisition module, wherein an output end of the acquisition module is connected with an input end of an amplification module, an output end of the amplification module is connected with an input end of a denoising module, an output end of the denoising module is connected with an input end of a conversion module, an output end of the conversion module is connected with an input end of an MCU (microprogrammed control unit), the input end of the MCU is further connected with an output end of an analogue simulation module, an input end of the analogue simulation module is connected with an individual difference parameter input module, and an output end of the MCU is connected with a display module and an injection module. According to the anesthesia depth monitor adopting multiple monitoring indexes, multiple monitoring indexes are adopted, the individual parameter difference can be corrected, different acquisition modules can be selected according to actual demands of different patients, monitoring results of the acquisition modules can be mutually verified, and accordingly, the dosage of infused anesthetic is ensured to be adapted to different individuals.

The invention provides a synthetic method of urethane artificial antigen. The urethane artificial antigen is prepared by the following steps of: 1, preparation of beta-alanine and ethyl chloroformate; 2, synthesis of hapten; 3, purification of hapten; 4, preparation of 1-(3-dimethylamino propyl)-3-ethyl carbodiimide solution; 5, synthesis of artificial antigen; 6, dialysis and detection of artificial antigen; and 7, calculation of quantity of different used carrier proteins. According to the synthetic method, the shielding effect of the protein to the hapten obtained by chemical synthesis is low, therefore, high-titer polyclonal antibody can be generated in an immune animal, and the molecular weight can be detected during synthesizing the artificial antigen, and the coupling ratio can be calculated, and the quantity of used raw materials for synthesizing is precise.

The invention relates to a pseudo-ginseng vacuum freeze-drying method and application thereof, and relates to the technical field of traditional Chinese medicine processing. According to the vacuum freeze-drying method, pseudo-ginseng homogenate is subjected to pre-freezing and vacuum drying treatment, in the pre-freezing step, pre-freezing is carried out in stages at the temperature of minus 20-minus 75 DEG C, and in the vacuum drying treatment step, vacuum drying is carried out at the temperature of minus 20-30 DEG C. The vacuum freeze-drying method is applied to preparation of pseudo-ginseng processed products, and the obtained pseudo-ginseng processed products are high in cleanliness, fine and smooth in taste, stable in quality, accurate in dosage, convenient to apply and carry, high in dissolution and absorption speed, higher in product standardization, higher in production efficiency and suitable for daily life of normal people.

The invention belongs to the technical field of flue-cured tobacco cultivation and in particular relates to a method for potassium extraction and fertilization of Yunyan85 (flue-cured tobacco variety). The method is characterized by comprising the following steps of applying a potassic fertilizer to Yunyan; applying a certain amount of potassic base fertilizer to tobacco leaves when the tobacco leaves are grown; and topdressing the potassic fertilizer to flue-cured tobaccos before the flue-cured tobaccos enter into a fast growing period and after more than 50% of the flue-cured tobaccos bud for topping, wherein the application amount of a potassic base fertilizer is 60%-70% of the total application weight of the potassic fertilizer, the application amount of the topdressed potassic fertilizer before entering the fast growing period is 15%-20%, and the application amount of the topdressed potassic fertilizer is 15%-20% after more than 50% of the flue-cured tobaccos bud for topping. According to the method, the fertilization period and the additional fertilization period and amount are accurate, the waste of the potassic fertilizer can be reduced, the potassium content of the tobacco leaves can be improved while guaranteeing yield. The collected tobacco leaves are analyzed, and the potassium content of the tobacco leaves is measured to be 3.13%, which is higher than the standard that the potassium content of high-quality tobacco leaves is more than or equal to 2%.

The invention belongs to the technical field of concrete preparation, and in particular, relates to frost-resistant and crack-proof concrete suitable for one-time forming of a super high face plate rockfill dam face plate, and a preparation method and an application thereof. The concrete includes cement, a mineral additive, a shrinkage reducing agent, a water reducing agent, an air entraining agent, an expansive agent, mixed fibers, an aggregate mixture and water. Through adjusting and choosing the composition and proportion, the frost-resistant grade of the obtained concrete exceeds F400, thecrack-proof grade is grade I, and the anti-permeability ability is not lower than W12 grade. The collapsibility of newly blended concrete prepared by the method is controlled at 50-70 mm; no separation phenomenon of slurry and a skeleton exists in a process of chute pouring, and the requirement of continuous pouring of the face plate rockfill dam face plate. In addition, the amount of the cementand the mineral additive in the concrete and the water-binder ratio of the concrete are optimized by a calculation formula obtained from extensive experiments and summaries, so the repeated experiments and adjustment processes required in preparation of traditional face plate concrete are omitted and the process of determination of the mixing proportion is simplified.

A yeast contained sugarless or low sugar bread ameliorant comprises the following components by weight percentage: 0.37 to 0.8 percent of zumin, 1 to 2 percent of vitamin C, 1 to 3 percent of full-fat soybean powder, and the rest of yeast; the zumin comprises 0.05 to 0.1 percent of diastase, 0.2 to 0.4 percent of hemicellulase, 0.02 to 0.1 percent of glucose oxidase and 0.1 to 0.2 percent of lipase. The yeast contained sugarless or low sugar bread ameliorant provided by the invention is suitable for manufacturing sugarless or low sugar breads, can shorten fermentation time, and improve bread furnace expansion ratio. According to the invention, while the bread production process is simplified, the product quality is stabilized, and the manufacturing cost is lowered.

The invention discloses an extrusion-spheronization integrated granulating machine. A support cutter mechanism is arranged between a screw extruder and a spheronizator of the granulating machine; the support cutter mechanism at least comprises a filament propping rod, a filament and a base support; filament winding slots are formed at two ends of each filament propping rod, the filament is fixed on the filament propping rod by the filament winding slot, two ends of each filament propping rod are in clearance fitting with grooves of a pore plate by pins, a spheronization disc cover is arranged above a spheronization disc and is in clearance fitting with the spheronization disc; a spheronization feeding hole, a lifting lug and a single-screw guide groove are respectively formed in and arranged on the spheronization disc cover; the spheronization disc cover is fixed on a spheronization barrel by the lifting lug; the spheronization feeding hole and the single-screw guide groove are arranged on the outer surface and the inner surface of the spheronization disc cover respectively, the spheronization feeding hole is communicated with a through hole, the inlet and the outlet of the single-screw guide groove are communicated with the through hole and a discharge hole respectively, friction lines are formed on the upper end surface of the spheronization disc, and the base support is arranged on the spheronization disc. The extrusion-spheronization integrated granulating machine is small in occupied area, high in granulating efficiency, short in time and good in granulating effect.

The invention discloses a calculation and control method for the welding material actual consumption. The method includes the following steps: a, acquiring various actual welding redundancy average values of different joint types through a field measurement method; b, calculating the welding material actual consumption of each weld joint, and a calculation formula: the welding material actual consumption= the sectional area of the weld joint*the length of the weld joint* the metal density / the melting efficiency of a welding material, wherein the sectional area of the weld joint is calculated by considering the actual welding redundancy average values of the step a, and the melting efficiency of the welding material is measured through tests; and c, clearing a single weld joint and multi-weld joint, performing like term combining on all the weld joints of the whole member or unit to form welding material details, allowing the welding material details to correspond to construction units one-to-one, and performing quota budget before use and performing checking after use. The calculation and control method can remarkably reduce the welding material actual consumption and reduce the production cost of an enterprise.

The invention discloses a compound orlistat nano-emulsion oral liquid which contains the following components by mass percentage: 35%-45% of surfactant, 0-1% of cosurfactant, 0-1% of oil phase, 0.5%-4% of orlistat, 0.5%-3% of fructus cannabis oil, 0.5%-2% of evening primrose oil, 0.1%-0.5% of beta-carotene, 0.0001%-0.002% of vitamin D, 0.1%-0.5% of vitamin E, 0.0001-0.002% of vitamin K, and the balance of deionized water, and the sum of the mass percentage of the components is 100 percent. Aiming at the features of obese patients, the compound orlistat nano-emulsion oral liquid has multiple effects of reducing absorption of fat and heat in food, accelerating consumption of stubborn brown adipose tissues accumulated in the body, replenishing micronutrient matters lost during weight loss, reducing blood fat and cholesterol and the like, and does not have the side effects of insomnia, strength lack, palpitation and the like.

The invention provides a reagent device and a method used for detecting anti-myeloperoxidase antibodies. The reagent device has a long strip shape, and has a base body comprising 8 hole positions and a handle positioned on one end of the base body. From the end proximal to the handle, the 8 hole positions are sequentially a sample hole, an auxiliary agent hole, an enzyme conjugate hole, a substrate hole, a termination liquid hole, a dilution liquid hole, a reaction hole, and a dilution hole. According to the invention, based on a principle of enzyme-linked immunoassay, anti-myeloperoxidase antibody is detected by using the reagent device. The method is an independent single-person analysis and detection method. The device can be used in cooperation with a corresponding specific analysis instrument. During a detection process, detection reagents or samples are injected by using a full-automatic precise dosing device. The device and the method have the advantages of automatic operation, precise dosing, high detection result accuracy, high detection result precision, and wide application prospect.

The invention discloses a Duliang compound soft capsule and a preparation method thereof. The soft capsule comprises the following components (per 1,000 capsules) angelica dahurica 1,128 g, ligusticum chuanxiong 282 g, and soybean oil 324-432 g. The preparation method comprises the following steps of extracting angelica dahurica and ligusticum chuanxiong with supercritical carbon dioxide to obtain volatile oil and residue; decocting the residue in water, precipitating with ethanol, vacuum drying at low temperature, and making into soft capsule. The soft capsule uses soft capsule shell material to wrap medicinal content, so as to mask the bitter taste and unpleasant taste of the medicinal content. The inventive soft capsule also has the advantages of easy administration, rapid release of medicinal content after disintegration of the soft capsule shell material, quick action, remarkably increased content of active ingredients such as imperatorin by using supercritical carbon dioxide extraction technique, high bioavailability of medicinal content, reduced impurities of extract powder, more accurately dosage, remarkably reduced particle size of medicinal powder, quick absorption during clinical treatment, good therapeutic effect, and no toxic or side effects.

The invention discloses a reagent device for detecting a helicobacter pylori antibody and a method thereof; the reagent device is long strip-shaped, comprises a substrate with eight hole sites and a handle disposed at one end of the substrate; the eight hole sites comprise a sample hole, an adjuvant hole, an enzyme conjugate hole, a substrate hole, a stopping solution hole, a diluent hole, a reaction hole, and a dilution hole, which are arranged in sequence from the end near the handle. The reagent device of the invention realizes helicobacter pylori antibody detection with the device based on a principle of enzyme-linked immunoassay, is an independent, single-sample analytic detection method, and can be used cooperatively with corresponding specific analytical instruments; during detection, a detection reagent or a sample is injected by using a full automatic precision liquid filling device, which provides advantages of operation automation, accurate filling amount, high accuracy and precision of detection results; and the reagent device has wide application prospects.

The invention relates to a topiramate dry suspension. The topiramate dry suspension is prepared by multi-stage mixing granulation, and comprises topiramate, an inert carrier, a disintegrating agent, ataste masking coating, a pore-foaming agent, a filling agent and a suspending aid, wherein the topiramate, the inert carrier, the disintegrating agent and the taste masking coating form taste maskingparticles, so that the bitter taste of topiramate can be effectively solved. The topiramate dry suspension at least comprises two filling agents which have the functions of forming a suspending aid component and reducing the wall adhesion condition of the dry suspension, and the topiramate dry suspension is found to be convenient to prepare for the first time, improves the compliance and administration accuracy of patients and is suitable for industrial production.

The invention discloses an essence feeding device. The device comprises a micro-needle disc and a bottle body, the bottle body has a cavity for containing a liquid, and the cavity has a cavity liquidoutlet; the micro-needle disc surface is provided with micro-needles, the inside of the disc is provided with a micro-needle venation cavity, the micro-needle venation cavity is in communication withthe micro-needles, and the liquid inlet of the micro-needle venation cavity corresponds to the cavity liquid outlet; and the bottle body is provided with a sliding wall at the cavity liquid outlet, the micro-needle disc is slidably disposed in the sliding wall, and the micro-needle disc slidably drives the liquid in the cavity to be discharged from the cavity liquid outlet into the micro-needle venation cavity. The device adopts integrated structure design, can continuously feed liquid, not only has accurate dosage, uniform liquid feeding, rapid skin absorption and an ideal effect, but also has convenient operation mode, and achieves efficient combination of effect and efficiency; the vacuum bottle body and the micro-needles made of an antibacterial material can be adopted to effectively avoid the contact between essence and the external air, and to inhibit the growth of bacteria. The micro-needle heads can be repeatedly pressed and used.

The invention discloses a soft infusion bag and a pipe washing method and relates to the technical field of medical apparatus and instruments. The soft infusion bag solves the problems that an existing soft infusion bag needs to be exposed and punctured by an sharp instrument for several times, has bacterial pollution risk and does not conform to the safety concept of the modern intravenous therapy nursing, wherein the safety includes the patient safety and the occupational exposure safety of the medical staff. According to the technical scheme, the soft infusion bag comprises a bag body, the bag body is divided into a medicine liquid bag and a washing liquid bag, the medicine liquid bag is provided with a medicine adding pipe, a medicine liquid outlet in the bottom of the medicine liquid bag and a washing liquid outlet in the bottom of the washing liquid bag are connected with two ends of a tee through catheters, the other end of the tee is connected with an infusion pipe, and a switch is arranged between the washing liquid outlet and tee. According to the pipe washing method, the switch between the washing liquid outlet and tee is closed firstly, and the switch is opened to wash after the infusion bag finishes infusion. The pipe washing process does not need puncture through the sharp instrument, the sharp instrument exposure is reduced, and the safety is reinforced; the pipe washing dosage is adjustable, the medicine compatibility reaction between groups is avoided, and the precise medicine dosage can be guaranteed.

The present invention is pre-charged antitumor medicine preparation and relates to medicine preparation form. Pre-charged syringe, which has the structure comprising outer sleeve, protecting cap, needle, piston, mandrel and needle sealing rubber plug, is used as the inner package of water soluble antitumor injection. The outer sleeve has inner wall of polypropylene material with less adsorption of medicine, and the needle has diameter of 0.2-0.5 mm. The antitumor medicine may be vinorelbine, taxol, docetaxel, etc. The present invention has less medicine residue, accurate dosage, less pollution risk, convenient packing, lowered medical cost and other advantages.