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175results about How to "Guarantee safe and effective" patented technology

Method for evaluating quality of Chinese patent medicament by using metabonomics

InactiveCN102100706AGuarantee safe and effectiveThe internal quality is stable and controllableComponent separationPlant ingredientsEndogenous metabolismDisease
The invention provides a method for evaluating the quality of a Chinese patent medicament by using metabonomics. The method comprises the following steps: 1) according to the indication of traditional Chinese medicines, establishing a corresponding animal model and screening; 2) taking various of samples of the traditional Chinese medicines, and intervening a disease model animal by a corresponding route of administration; 3) collecting a corresponding biological sample and acquiring the metabolism finger-print of the sample; 4) carrying out pattern recognition on the metabolism fingerprints of a normal group and a disease group to obtain a metabolism biomarker group; 5) calculating the similarity of the metabolism biomarker group and the normal group in different administration groups, or carrying out PLS (partial least squares) regression analysis on differential endogenous metabolites, and observing the influence of medicament treatment on the endogenous metabolites; and 6) according to the similarity result or the result of the PLS regression analysis, evaluating the medicaments, wherein the more normal the control group trends to be, the better efficacy of the medicament is.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Quality control method of total glycosides single preparation of white paeony roots

The invention provides a quality control method of a preparation of white paeony roots. The method comprises the following steps of: establishing a synchronous content measuring method of white paeony root herbs, white paeony root total glycosides and paeoniflorin and albiflorin in the white paeony root preparation by adopting the same liquid-phase chromatography condition; and accurately measuring the contents of the paeoniflorin and the albiflorin. The method is simple to preprocess a sample, keeps complete characteristic components and provides a stable sample solution and has higher accuracy, favorable reproduction and a certain specificity; characteristic peaks in the obtained fingerprint map have favorable separation effect, the fingerprint maps of the white paeony root herbs, the white paeony root total glycosides and the preparation have favorable relativity; the standard fingerprint map of the white paeony root herbs is established at a new angle by utilizing the relativity research of the fingerprint maps, can be used for identifying the qualities of the white paeony root herbs and improving the controllability of the production process of the white paeony root preparation and is favorable to ensuring the quality stability and the clinical curative effect of the white paeony root preparation.
Owner:NINGBO LIWAH PHARM CO LTD

System and method thereof for quickly detecting chemical components added in medicine, health-care food and food

The invention discloses a system and a method for quickly detecting chemical components added in medicine, health-care food and food. The detection system comprises a database of the added chemical components, a primary screening device or a kit, a confirmation instrument and an LC-MS (liquid chromatography-mass spectrography) instrument. The detection method comprises the following steps: establishing a database of the added chemical components, primarily screening the database of the added chemical components by using a quick screening method, further confirming the screening result, and finally arbitrating the screening result by using an LC-MS method. The system and the method realize effective supervision for illegally-added chemical components in Chinese patent medicine, health-care food and food, solve the difficult problem of supervision resource deficiency, comprehensively promote the capability and level of illegal addition detection for the Chinese patent medicament, health-care food and food, provide powerful technical support for legal supervision, form great deterrent for lawbreakers who sell fake medicament, and have quite important significance for ensuring the safety and the validity of diet medicament of people and protecting the fame of Chinese medicaments.
Owner:广东省药品检验所

Certificate declaration management system and certificate declaration management method

The invention discloses a certificate declaration management system and a certificate declaration management method. The system comprises a certificate management platform, a declarant's mobile terminal, an electronic access management side, a self-service declaration equipment side, a self-service certificate handling equipment side, and a floating population management relevant department side. The method comprises the steps of getting declarant information from the floating population management relevant department side, judging whether the declarant information is approved by the floating population management relevant department side, generating a QR code according to the approved declarant information when judging that the declarant information is approved, and pushing the generated QR code and the declarant information to the declarant's mobile terminal, the electronic access management side, the self-service declaration equipment side, the self-service certificate handling equipment side and the floating population management relevant department side. According to the invention, a QR code used as the unique electronic identifier of a declarant can be generated according to the approved declarant information, use of certificates on the Internet is facilitated, and convenience in management and use is increased.
Owner:广州市华标科技发展有限公司

Rear stress-type glaucoma diversion valve

ActiveCN104042401ADamage controlControl intraocular pressureEye surgeryGlaucomaIntraocular pressure
The invention provides a rear stress-type glaucoma diversion valve, relates to a method and a device for ophthalmosurgery and particularly relates to a rear glaucoma diversion embedding device for controlling intraocular pressure. The rear stress-type glaucoma diversion valve comprises a hollow diversion pipeline and a valve cover used for controlling the opening and closing of the diversion pipeline, wherein the outlet end of the diversion pipeline is provided with an openable and closable housing which consists of a diversion plate and a housing cover; the outlet end of the diversion pipeline is embedded in the diversion plate; the inlet end of the diversion pipeline is vertical to the lower surface of the diversion plate and downwards stretches out from the lower surface of the diversion plate; the diversion pipeline can enter from a pars plana corporis ciliaris by virtue of a 23G or 25G stab knife; the part, corresponding to the valve cover, of the inner side of the housing cover is provided with a spring pressurizing device; when the housing cover is closed, the spring pressurizing device applies a pressure to the valve cover. The spring pressurizing device is used for controlling the intraocular pressure within a normal and safe target intraocular pressure range; the inner cavity of the diversion pipeline is large in diameter, short in length and low in blockage possibility, thereby being conductive to ensuring the safety and effectiveness of the diversion valve and realizing long-acting control over the intraocular pressure.
Owner:SHANGHAI TONGJI HOSPITAL

Denatured protein powder and brain protein hydrolyzate prepared from same

The invention relates to a denatured protein powder and a brain protein hydrolyzate prepared from the same. The total nitrogen content of the denatured protein powder is more than 120 mg/g; and the denatured protein powder is prepared by adding fresh lysozyme into a pig brain, homogenating, heating, and defatting with acetone. The denatured protein powder, as a raw material, is used for preparingthe brain protein hydrolyzate; the contents of amino acids in the prepared brain protein hydrolyzate meet national standards of brain protein hydrolyzate injections; and the content of small moleculepeptides with the molecular weight of less than 10000 Da is 25-35% of the brain protein hydrolyzate. The preparation method of the brain protein hydrolyzate mainly comprises the following steps: pre-treating, homogenizing, defatting with the acetone, performing dual enzymatic hydrolysis, centrifugating, refining by column chromatography, and performing ultrafiltration treatment. The invention discloses key technical points for controlling the total nitrogen index of the protein powder and the content of the small molecule peptides for the first time; the obtained brain protein hydrolyzate is a biologically active substance which is really extracted from the pig brain, without adding active components artificially, thus ensuring the efficacy and the safety of the brain protein hydrolyzate;and animal pharmacodynamic experiments show that the brain protein hydrolyzate is more effective than conventional products.
Owner:HEBEI ZHITONG BIOLOGICAL PHARMA

Virtual power plant regulation and control platform based on blockchain and operation method

The invention discloses a virtual power plant regulation and control platform based on a blockchain and an operation method. The platform comprises a front-end system, a rear-end system, a blockchainsystem and a scheduling control system, wherein the front-end system is used for providing an interactive interface to complete interaction with a user and completing transaction processing by callingthe rear-end system; the back-end system is used for finishing core transaction processing comprising logic of related business processing; the blockchain system is used for storing data informationgenerated in the system operation process and automatically executing agreed transaction content; and the scheduling control system is used for determining whether a node has the capability of executing the request and receiving a decision from the blockchain system. The method has the beneficial effects that the trust problem of decentralization of the virtual power plant is solved, and credibleand reliable interconnection among the main bodies is realized; the authenticity and effectiveness of internal information are ensured; intelligentization of transaction is realized, and task execution efficiency is improved.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Method for simultaneously determining three alkaloids in granules for eliminating phlegm and stopping cough for children

ActiveCN102662024AQuality improvementGood peak separationComponent separationEmetine HydrochloridePhosphoric acid
The invention relates to a method for simultaneously determining three alkaloids in granules for eliminating the phlegm and stopping the cough for children. The method is characterized in that the HPLC (High Performance Liquid Chromatography) method is employed for the first time, an ordinary gradient elution and reversed-phase chromatographic column are adopted, and acetonitrile, methanol and 0.1% phosphoric acid in the volume ratio of (1.5-2.5) : (12.5-11) : (86-86.5) are taken as the mobile phase; the detection wavelength is 205 nm; and the contents of ephedrine hydrochloride, cephaeline hydrochloride and emetine hydrochloride in the granules for eliminating the phlegm and stopping the cough for children are determined simultaneously, so as to end the history of no HPLC determining method for emetine and no quantitative determining indexes for granules for eliminating the phlegm and stopping the cough for children. The method provided by the invention comprises the steps of performing an ultrasonic treatment to a sample with methanol, sucking a certain amount of subsequent filtrate, removing impurities with an alumina column, and determining. The method has the benefits that crest separation of the three alkaloids is excellent, the baseline is stable, and 30 min is required to finish the determining; the quality control aim of being simple, convenient, quick, scientific, standard and multi-component quantitive by one maker is realized; and safety and effectiveness of taking granules for eliminating the phlegm and stopping the cough for children are ensured.
Owner:JING JING PHARMA

Preparation method of traditional Chinese medicinal oral liquid for treating tourette syndrome of children

A preparation method of traditional Chinese medicinal oral liquid for treating tourette syndrome of children includes performing reflux extraction on radix paeoniae alba, bombyx batryticatus, gastrodia elata, uncaria rhynchophylla, radix curcumae, pheretima and buthus martensii, filtering, recovering ethanol, concentrating, adding distilled water, standing, and refrigerating; mixing rehmannia glutinosa libosch and the medicinal residue, decocting in water, filtering, concentrating, adding ethanol, standing, collecting supernatant, and filtering to obtain water extraction/ethanol precipitation liquid; mixing water extraction/ethanol precipitation liquid and ethanol extraction/water precipitation liquid, recovering ethanol, heating, concentrating, standing, filtering to obtain filtrate; mixing 1/3 volume of the filtrate with steviosin, stirring, mixing with the rest 2/3 of the filtrate, adding ethylparaben, adding water, regulating pH value, and standing; and centrifuging, collecting supernatant, adding water to regulate total volume to 1,000 mL, stirring, subpackaging, and sterilizing. Through improvement on the basis of the original process, the preparation method provided by the invention improves preparation appearance, solves the problems of poor clarity and stability in the original process, and ensures safety and efficacy of medicament in children.
Owner:南京海思创新生物科技有限公司

Safe infusion set

The invention discloses a safe infusion set which comprises a bottle stopper puncture device, a drip chamber, a flow regulator, an infusion conduit and an intravenous infusion needle. The safe infusion set is characterized in that the drip chamber comprises a drip chamber body and a drip chamber cover located at the upper part of the drip chamber body which is divided into an inner drip chamber and an outer drip chamber, the inner wall of the inner drip chamber is combined with the drip chamber cover to form an inner drip chamber cavity, an exhaust hole is matched in the top of the inner drip chamber cavity, a drip chamber liquid feed pipe is arranged on the drip chamber cover at the upper part of the inner drip chamber cavity, and a liquid stop filter membrane is arranged at the upper part of an inner drip chamber liquid outlet in the bottom end of the inner drip chamber; the inner wall of the outer drip chamber, the drip chamber cover and the outer wall of the inner drip chamber are combined to form an outer drip chamber cavity which is matched with an openable air inlet hole, and an automatic exhaust device is arranged at a drip chamber liquid outlet in the lower part of the outer drip chamber cavity. The safe infusion set has automatic exhaust and liquid stop functions, guarantees safe and effective infusion, is convenient to use by a medical worker and reduces the nursing intensity.
Owner:SHANDONG WEIGAO GROUP MEDICAL POLYMER

Method for preparing siwu decoction formula granules and quality control method thereof

The invention discloses a method for preparing siwu decoction formula granules and a quality control method thereof. The method for preparing the siwu decoction formula granules comprises steps: prepared rehmannia roots, angelica sinensis, radix paeoniae alba and ligusticum wallichii medicinal slices are added with water which is 5-15 times of the weight of total inventory, are extracted for two times, aromatic water is collected and is combined with two frying filter liquids, are decompressed and concentrated in vacuum, a concentrated solution is added with beta (Beta)-cyclodextrin and silicon dioxide to uniformly stir and obtains a clear paste, and the aromatic water and the aromatic water are sprayed and dried after being uniformly mixed, and are pelletized through a dry method to prepare the siwu decoction formula granules. The quality control method of the siwu decoction formula granules comprises qualitative identification of an infrared fingerprint spectrum and a thin layer and content determination of a high performance liquid chromatography (HPLC). The method for preparing siwu decoction formula granules and the quality control method thereof decoct in a combined mode according to a traditional method, can perfectly take full advantages of drug matching compared with an existing method that various medicinal odours are added when single formula particles are taken, reflects the overall concept of Chinese medicine, guarantees to achieve the purpose of reducing toxicity and enhancing efficacy, supplies novel selection for clinical medication, builds a perfect quality standard, controls quality by combining a power-spectral method and a chromatography, and can effectively control quality of complex granules from the overall to the more specific.
Owner:GUANGDONG YIFANG PHARMA

Y-shaped electrical connector used between tractor and trailer and power taking method thereof

PendingCN110323643AGuarantee safe and effectiveAddresses insufficient, inability to power new devicesCoupling device connectionsVehicle connectorsElectricityElectrical connector
The invention provides a trailer Y-shaped branch power taking connector and relates to the field of continuous branch power taking connectors between tractors and trailers. A Y-shaped continuous powertaking connection device is arranged at the end of the trailer Y-shaped branch power taking connector. The trailer Y-shaped branch power taking connector comprises a seven-core-wire or five-core-wirepower plug socket which meets an ISO 7638 standard; a positive power wire connected with a second pin defined in the ISO 7638 standard is led out of the branch power taking connector; the tail end ofa connection wire of a branch power wire is equipped with a standard rapid connection socket; a negative wire is led out of a two-hole rapid connection socket and is bonded with a trailer to form anindependent current circuit so as to cause no influence on other circuit appliances. Compared with the prior art, the trailer Y-shaped branch power taking connector has the beneficial effects that theexisting trailer electrical connector is improved under the condition that the standards at home and abroad are met, a group of additional parallel circuits are added and are used for supplying powerto newly added intelligent devices; the problem that the existing electrical connector is not provided with sufficient ports and is incapable of supplying power to new devices is solved in the premise of ensuring that the new electrical connector is safe and effective.
Owner:宁波飞力普斯汽配工业有限公司
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