Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
52results about How to "No risk of infection" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Collagen material and its production process
InactiveUS7084082B1Avoid stickingPromote regenerationSuture equipmentsSynthetic resin layered productsEndocraniumBiocompatibility Testing
The objective of the present invention is to provide a collagen material that possesses physical properties to an extent that allows suturing while still maintaining the biochemical properties inherently possessed by collagen, and retains its shape for a certain amount of time even after application to the body; its production process; and, a medical material on which it is based, examples of which include a artificial tube for nerve, artificial tube for spinal cord, artificial esophagus, artificial trachea, artificial blood vessel, artificial valve or alternative medical membranes such as artificial endocranium, artificial ligaments, artificial tendons, surgical sutures, surgical prostheses, surgical reinforcement, wound protecting materials, artificial skin and artificial cornea, characterized by filling or having inside a substance having biocompatibility that can be degraded and absorbed in the body into a matrix of a non-woven fabric-like multi-element structure of collagen fibers having ultra-fine fibers of collagen as its basic unit.
Owner:TAPIC INT
Vascular occlusion systems and methods
InactiveUS20050065531A1Avoid heat damageSimple processUltrasound therapyElectrotherapyBiomedical engineeringVaricose veins
A blood vessel occlusion system and method includes a handheld probe including a power source, the probe being adapted to transmit energy from the power source through a body surface and into a target blood vessel, for example a varicose vein. Further included is a manual or automatic switch mechanism adapted to enable and disable the power source in response to a predetermined level of compression applied, by means of the probe against the target blood vessel. When the blood vessel is compressed sufficiently to collapse and substantially slow or substantially prevent a flow of blood therethrough, the power source is activated and the vessel is cauterized, leaving the blood vessel in a condition that is resistant to recanalization.
Owner:VANDOLAY INC
Vascular occlusion systems and methods
InactiveUS7153298B1Cost efficient and straightforwardFew if any risk of injuryUltrasound therapyElectrotherapyVaricose veinsBlood vessel
A blood vessel occlusion system and method includes a handheld probe including a power source, the probe being adapted to transmit energy from the power source through a body surface and into a target blood vessel, for example a varicose vein. Further included is a manual or automatic switch mechanism adapted to enable and disable the power source in response to a predetermined level of compression applied, by means of the probe against the target blood vessel. When the blood vessel is compressed sufficiently to collapse and substantially slow or substantially prevent a flow of blood therethrough, the power source is activated and the vessel is cauterized, leaving the blood vessel in a condition that is resistant to recanalization.
Owner:VANDOLAY INC
Recombinant Bacillus subtilis for producing chondroitinase and application thereof
ActiveCN106148265AHigh enzyme activityGreat application valueBacteriaMicroorganism based processesSignal peptideBioengineerings
The invention discloses recombinant Bacillus subtilis for producing chondroitinase and application thereof and belongs to the technical field of bioengineering. Chondroitinase of common Proteus origin is heterologously expressed in Bacillus subtilis, signal peptide amyX is selected, 3 strong constitutive promoters and strong RBS (ribosome binding site) of pP43NMK vector itself are utilized, histidine tags are added to facilitate subsequent purification, and expressive enzyme activity of chondroitinase in Bacillus subtilis is improved. Certain basis is laid for efficiently producing chondroitinase from food-grade microbes, and the recombinant Bacillus subtilis is suitable for industrial application.
Owner:JIANGNAN UNIV
Method and Apparatus for Measuring Blood Volume, and Vital Sign Monitor Using the Same
ActiveUS20070167852A1No risk of infectionSuffering of the patient is lessenedCatheterSensorsPeripheral pulsesNormal blood volume
A first member is adapted to measure an electrocardiogram of a patient. A second member is adapted to measure a peripheral pulse wave of the patient. A first calculator calculates a pulse wave propagation time (PWTT) and a heart rate (HR) of the patient based on the electrocardiogram and the peripheral pulse wave. A second calculator calculates a cardiac output (CO) of the patient with an equation of CO=(αK·PWTT+βK)·HR, where α, β and K are coefficients inherent to the patient.
Owner:NIHON KOHDEN CORP
Recombinant aviadenovirus type 4 fiber2 protein as well as preparation method and application thereof
ActiveCN112142830AImprove solubilityImproving immunogenicityBacteriaViral antigen ingredientsAntigen epitopeHighly pathogenic
The invention discloses a recombinant fowl adenovirus type 4 (FAdV-4) fiber2 protein as well as a preparation method and application thereof, and belongs to the technical field of gene engineering. The recombinant protein is obtained by removing 274 amino acid residues at the N end of the fowl adenovirus type 4 fiber2 protein and then recombining with the 21-55th amino acid sequence of the fowl adenovirus type 4 hexon protein; and can be used for preparing the avian adenovirus 4-type genetic engineering subunit vaccine. Aiming at the defects of poor solubility and immunogenicity of prokaryoticexpression natural fiber2 protein, the fiber2 protein coding gene is subjected to series modification, and compared with the unmodified fiber2 protein, the recombinant protein has the advantages thatthe gene coding sequence of 274 amino acid residues at the N end of the fiber2 protein is removed, and the gene coding sequences of two important antigen epitopes of the hexon protein are fused; so that the solubility and the immunogenicity are obviously improved, so that the subunit vaccine which is controllable in quality, safe and effective and can prevent highly pathogenic FAdV-4 virus infection can be prepared, and complete protection can be obtained by once immunization.
Owner:YANGTZE UNIVERSITY +1
Medical composition for promotion of skin regeneration
InactiveCN101175512AHeal fastEnhance wound healing activityOrganic active ingredientsSurgical adhesivesSkin autograftFull thickness skin
Owner:NETECH +1
Separable hydrogel microneedle loaded with recombinant human fibronectin as well as preparation method and application of separable hydrogel microneedle
PendingCN114246939APromote migrationPromote proliferationPeptide/protein ingredientsMetabolism disorderPharmaceutical drugBiochemistry
The invention relates to a separable hydrogel microneedle loaded with recombinant human fibronectin and a preparation method and application thereof, the separable hydrogel microneedle loaded with recombinant human fibronectin comprises a microneedle substrate and a microneedle tip separably attached to the microneedle substrate, the microneedle tip is formed by crosslinking and curing a hydrogel precursor solution through UV initiation, and the hydrogel precursor solution comprises a hydrogel material, a carrier delivery protein, a photoinitiator and an aqueous medium; the delivery protein is recombinant human fibronectin obtained through genetic engineering. A hydrogel material, carrier delivery protein, a photoinitiator and an aqueous medium are subjected to UV-induced crosslinking curing to obtain the separable microneedle tip, the microneedle tip can be retained in a body after application, and a carrier drug embedded in the microneedle tip is released to surrounding tissues through diffusion. And retention and slow release of functional drugs are realized.
Owner:BEOGENE BIOTECH GUANGZHOU
Method for producing biodegradable plastic from activated sludge
InactiveCN101469061ASimple and fast operationNo risk of infectionSequencing batch reactorActivated sludge
The invention relates to the technical field of environmental biology, in particular to a method for producing biodegradable plastics (polyhydroxy paraffinic acid ester (PHA)) by using activated sludge. The method comprises the following steps: in a sequencing batch reactor, using the activated sludge as a strain, adding a mineral salt culture solution containing volatile fatty acid into the sequencing batch reactor by adopting a dynamic substrate feeding mode, and cultivating the activated sludge with storage power of the polyhydroxy paraffinic acid ester under oxic zone condition; transferring the activated sludge with the storage power of the polyhydroxy paraffinic acid ester discharged by the sequencing batch reactor to another reactor, and simultaneously feeding the mineral salt culture solution containing the volatile fatty acid into the another reactor, and making the polyhydroxy paraffinic acid ester stored in bacterial cells in the activated sludge saturated through oxic zone reaction; and extracting the polyhydroxy paraffinic acid ester by the sludge containing the polyhydroxy paraffinic acid ester entering the downstream technology. The method provides possibility for producing a novel environment-friendly material with low cost.
Owner:RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
Method for manufacturing material for repairing human tissue by adopting autologous fingernails
InactiveCN107335094APromote absorptionThe recovery process is fast and goodTissue regenerationProsthesisTissue repairBiological materials
The invention provides a method for manufacturing a material for repairing the human tissue by adopting autologous fingernails. The method mainly comprises the following steps: washing the autologous fingernails to be clean, carrying out disinfecting and sterilizing on the washed autologous fingernails, dehydrating the fingernails until the water content is less than 50%, immersing the dehydrated fingernails into liquid nitrogen, grinding the fingernails by adopting a grinder until the particle diameter is less than 5000 [mu] m, and screening the particles by adopting a sieve so that matrix and powder are separated, wherein the powder can be used as the material for repairing the human tissue. The powder biological material manufactured by adopting the method provided by the invention is rich in collagen, collagen is the important substance for maintaining the human tissue structure, the powder biological material is manufactured by adopting the autologous fingernails, so as to be easily absorbed by the human body, the host immune response can not be caused, further, the danger of rejection or infection is avoided, in addition, the acquisition source is simple, so that the material can be used as the most ideal material for human tissue repair or tissue transplantation, or other purposes.
Owner:薛培贤
Implantable left ventricular assisting system
ActiveCN103585683ANo risk of infectionImprove life freedomTransmission systemsBlood pumpsOptical couplerTransmission line
The invention discloses an implantable left ventricular assisting system which comprises an in-vivo module and an in-vitro module. No transmission lines exist between the in-vivo module and the in-vitro module. The in-vitro module comprises a strong current power supply unit, a power supply end power converting unit, a resonant transformation unit, a primary side coil of a loosely coupled transformer, a power supply end weak current power supply unit, a power supply end controller, a switch tube drive unit, an optical coupler isolating unit, a current sampling unit, a power supply end signal conditioning unit, a protecting unit, a battery state display module and a demodulator for receiving battery state information. The in-vivo module comprises an auxiliary side coil of the loosely coupled transformer, a receiving end resonant transformation unit, a receiving end power conversion unit, a receiving end controller, a battery charging management module, a battery, a modulator and a blood pump. The implantable left ventricular assisting system is simple and compact in structure, small in size and lightweight, and subcutaneous wire holes of a patient can be avoided.
Owner:HANGTIANTAIXIN TECH CO LTD
Heparin precursor synthase and application thereof
ActiveCN107189992AImprove efficiencySmall molecular weightBacteriaTransferasesChemistryBioengineerings
The invention discloses a heparin precursor synthase and application thereof and belongs to the technical field of bioengineering. Heparin precursor synthases KfiC and KfiA from escherichia coli K5 are modified in three ways in bacillus subtilis, i.e., the two synthases are directly fused; the two synthases are connected through a flexible linker; and key areas in the KfiC and KfiA replace a key area of a PmHS synthase from pasteurella multocida to obtain three novel heparin precursor synthases, and the results that the yield of heparin precursors is improved and the molecular weight of the heparin precursors is reduced are realized. The invention lays a foundation for efficiently producing and preparing the heparin precursors from food grade microorganisms, and the heparin precursor synthase is suitable for industrial production and application.
Owner:JIANGNAN UNIV
Multifunctional absorbable artificial lamina
The invention discloses a multifunctional absorbable artificial lamina comprising a lamina body. The lamina body is composed of a base body, an outer fixing piece and an inner fixing piece. The base body is of an arched structure, and the outer fixing piece and the inner fixing piece are arranged on two sides of the base body respectively. Autogenous bone fragments can be implanted above the base body. An upper margin and a lower margin are arranged at two ends of the base body respectively and are arc-shaped protrusions respectively. A first arc-shaped groove and a second arc-shaped groove are formed in the lower surface of the upper margin and the upper surface of the lower margin respectively. The second arc-shaped groove of the upper surface of the lower margin of a previous lamina body can be in seamless joint with the first arc-shaped groove of the lower surface of the upper margin of a next lamina body. A plurality of suture holes used for suturing are symmetrically formed in one sides, close to the base body, of the outer fixing piece and the inner fixing piece respectively. The multifunctional absorbable artificial lamina is proper in physical performance and mechanical strength, and can be widely applied to injury repairing of various structures such as rear sides, rear lateral sides and outer lateral sides of cervical vertebras, thoracic vertebras, lumbar vertebras and caudal vertebras.
Owner:陈哲
Hospital wastewater comprehensive treatment device with zero sludge discharge and treatment method thereof
PendingCN111253006ANo risk of infectionImprove water qualityGas treatmentWater/sewage treatment by irradiationChlorine dioxideSludge
The invention discloses a hospital wastewater comprehensive treatment device with zero sludge discharge and a treatment method thereof. The device is composed of a chlorine dioxide disinfection tank,a three-grid septic tank, an adjusting tank, a closed ultraviolet sterilizer, a multistage bio-chemical tank and a chlorine dioxide disinfection tank which are sequentially connected in series, and further comprises a waste gas treatment module; a cutting pump is arranged in the adjusting tank; the waste gas treatment module is composed of plasma equipment and activated carbon adsorption equipment; wherein the multi-stage biochemical tank is formed by connecting a multi-stage unit A, a multi-stage unit O and a precipitation unit in series, part of sludge at a sludge outlet of a precipitation unit flows back to the front section of the multi-stage unit A through a sludge return pump and a sludge return pipe, and the rest sludge is discharged to the water inlet section of the three-grid septic tank as residual sludge; by adopting the treatment method disclosed by the invention, the effluent quality is superior to the standard of Discharge Standard of Water Pollutants for Medical Organization (GB18466-2016), the treatment method has the advantages that residual sludge, grid slag and the like are not generated, and the risk of bacterial infection of aerosol, sludge, grid slag, waste gas and the like is avoided.
Owner:HUAQI ENVIRONMENT PROTECTION SCI & TECH
Chondroitinase ABC producing recombinant yeast strain and structuring and applying methods thereof
ActiveCN109988723AMeet health careFulfil requirementsBioreactor/fermenter combinationsFungiPichia pastorisBiotechnology
The invention discloses a chondroitinase ABC producing recombinant yeast strain and application thereof and belongs to the technical field of bioengineering. According to the chondroitinase ABC producing recombinant yeast strain, chondroitinase ABC from Proteus vulgaris ATCC33420 is subjected to heterogeneous expression, and with pPIC9K carriers and through induction of methanol, secretory expression of the chondroitinase ABC in pichia pastoris GS115 can be achieve; by means of a designed chondroitinase ABC-enzymatic membrane reactor, efficient and continuous production of small-molecular chondroitin sulfate can be achieved, the chondroitinase ABC can be recycled and reutilized, and the production cost can be greatly reduced. By taking food-grade yeast as host strains, the chondroitinase ABC producing recombinant yeast strain can be safe and reliable, provide effective references for industrialized and green production of small-molecular chondroitin sulfate A, B and C, and meanwhile, save energy, reduce emission and achieve significant economic and social benefits.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY
A pressure steam sterilization chemical indicator and preparation method thereof
The invention discloses a pressure steam sterilization chemical indicator and a preparation method thereof, belonging to the field of moist heat sterilization indication. The chemical indicator mainly includes two parts: chemical indicator ink and substrate. The weight composition of the active ingredients of the pressure steam sterilization chemical indicator is: 1-10 parts of tetrazolium salt, 5-20 parts of system stabilizer, 50-70 parts of solvent, 10-20 parts of binder, and 5 parts of alkaline auxiliary. ‑20 servings, and 1‑10 servings of antioxidants. The above active ingredients are mixed and stirred to obtain a uniform and viscous composition, which is then sent to a grinder for grinding to form a uniformly dispersed indicator ink. The indicator ink is printed on the substrate by flexographic printing, and after drying, the chemical indicator is obtained by pressure steam sterilization. The pressure steam sterilization chemical indicator provided by the present invention is exposed to the saturated pressure steam conditions of 121 ° C, 132 ° C and 134 ° C, and the color of the indicating ink changes from colorless to dark, which can be determined by the color depth of color development. Determine whether the sterilization is qualified.
Owner:NANJING JUSHA DISPLAY TECH +2
Quality control material for detecting respiratory tract pathogen nucleic acid and preparation method thereof
PendingCN112609023ANo Biosafety ConcernsNo risk of infectionMicrobiological testing/measurementMicroorganism based processesMycoplasmal pneumoniaPneumonitis
The invention provides a quality control material for detecting respiratory pathogen nucleic acid. The quality control material comprises any one or more of the following respiratory pathogens: coronavirus, influenza virus, adenovirus, mycoplasma pneumoniae, streptococcus pneumoniae, rhinovirus or / and legionella pneumophila. A full-length genome sequence of the coronavirus is divided into six target fragments, and the length of each fragment ranges from 4000 bp to 5500 bp. The quality control material disclosed by the invention covers all detection target sequences (or target spots) of the coronavirus, the coverage is wide, the detection target spots are comprehensive, and the phenomenon of missing detection is avoided. The quality control material provided by the invention contains main respiratory tract infection pathogens, has a wide coverage range, and has more accurate detection targets by taking a real virus sample and a slow virus sample as raw materials. According to the coronavirus quality control material prepared by the invention, a target gene sequence is integrated into a host genome through a lentiviral vector, an autonomously replicated gene is knocked out in the preparation process, and the coronavirus quality control material has a self-inactivation capability, so that the recombinant lentivirus cannot be replicated in a target cell and infects other cells.
Owner:GUANGZHOU BDS BIOLOGICAL TECH CO LTD
Power plant remote comprehensive monitoring system and method
PendingCN112671109ATimely deliveryFacilitate communicationCircuit arrangementsInformation technology support systemThe InternetElectric power
The invention provides a power plant remote integrated monitoring system and method, and the system comprises a plurality of monitoring units which are disposed in different power plants, and are used for obtaining the internal data of the power plants, an internet-of-things platform connected with the monitoring units through a network and used for acquiring internal data of the power plans and analyzing and processing the internal data to form an analysis report, a main monitoring center communicated with the Internet of Things platform through a network and used for acquiring an analysis report and displaying, monitoring and early warning the analysis report, a mobile monitoring terminal communicated with the Internet of Things platform through a wireless network and used for acquiring an analysis report and performing display, monitoring and early warning, and an electric power company dispatching system interface connected with the monitoring units through a network and used for receiving the internal data transmitted by each power plant. The problems that data transmission of a remote data monitoring system is unstable, front-line workers cannot receive fault information in time, and a data transmission network needs safety guarantee due to decentralized power plants are solved.
Owner:HENAN BCCY IND
A kind of recombinant Bacillus subtilis with high chondroitin production and its application
The invention discloses a recombinant bacillus subtilis for highly producing chondroitin and application of the recombinant bacillus subtilis, belonging to the technical field of bioengineering. By optimizing synthetic routes of the recombinant bacillus subtilis for producing the chondroitin, namely carrying out coexpression on key enzyme genes in a UDP-GlcUA route and a UDP-GlcNAc route, the yield of the chondroitin is increased. The recombinant bacillus subtilis provided by the invention can meet the requirements of medical and health services and food safety, and the endotoxin and pathogenic infection risks are avoided; the accumulation of the chondroitin can be maximum, namely 6.06g / L, and the molecular weight is 78.64KD. According to the research of the invention, a new strategy is provided for the high production of the chondroitin, on one hand, the recombinant bacillus subtilis can be applied to other glycosaminoglycans, and on the other hand, a foundation is laid for the industrial large-scale production of the chondroitin.
Owner:JIANGNAN UNIV
Multi-purpose absorbable artificial lamina
The invention discloses a multifunctional absorbable artificial lamina comprising a lamina body. The lamina body is composed of a base body, an outer fixing piece and an inner fixing piece. The base body is of an arched structure, and the outer fixing piece and the inner fixing piece are arranged on two sides of the base body respectively. Autogenous bone fragments can be implanted above the base body. An upper margin and a lower margin are arranged at two ends of the base body respectively and are arc-shaped protrusions respectively. A first arc-shaped groove and a second arc-shaped groove are formed in the lower surface of the upper margin and the upper surface of the lower margin respectively. The second arc-shaped groove of the upper surface of the lower margin of a previous lamina body can be in seamless joint with the first arc-shaped groove of the lower surface of the upper margin of a next lamina body. A plurality of suture holes used for suturing are symmetrically formed in one sides, close to the base body, of the outer fixing piece and the inner fixing piece respectively. The multifunctional absorbable artificial lamina is proper in physical performance and mechanical strength, and can be widely applied to injury repairing of various structures such as rear sides, rear lateral sides and outer lateral sides of cervical vertebras, thoracic vertebras, lumbar vertebras and caudal vertebras.
Owner:陈哲
Standard liquid for flow-type cytometer
InactiveCN1100265CNo risk of infectionEasy to operateSamplingAnalysis by material excitationMedicineFluorescence intensity
This invention relates to a standard fluid for a flow cytometer is characterized by showing, after staining, almost the same fluorescence intensity and scattered light intensity as those of the cells to be assayed. The present invention aims at providing a standard fluid for a flow cytometer which shows almost the same behaviors as those of the cells to be assayed and can be easily handled without any risk of infection.
Owner:SYSMEX CORP
Non-invasive lip beautifying method
PendingCN111803789AOvercoming the Risk of ScarringPromote regenerationCosmetic preparationsToilet preparationsLiposomePenetration enhancer
The present invention provides a non-invasive lip beautifying method. The non-invasive lip beautifying method comprises the following steps; step 1, uniformly smearing a penetration enhancer on lips to be beautified, and changing cell arrangement of stratum corneum of lips; step 2, smearing liposome containing pure natural plant toner emulsion on part of lip area to be beautified; and step 3, applying electric pulses or ultrasonic waves on the liposome containing pure natural plant toner emulsion smeared on the lips to be beautified, enabling the pure natural plant toner emulsion to penetrateinto the lip skin, and beautifying the different partitions of the lips with different force. By differentiated stimulation on the lips in partitions, the pure natural plant toner emulsion is fused ina non-invasive mode, and the three-dimensional lip beautifying is achieved. The whole lip beautifying process is non-invasive, free of pain and swelling, and avoids risk of scars.
Owner:王瑾
Osteopathic ankle joint complicated fracture treatment fixer
InactiveCN104207832ANo risk of infectionAvoid damageExternal osteosynthesisFracture reductionInternal fixation
The invention provides an osteopathic ankle joint complicated fracture treatment fixer. A fracture reduction fixer is formed by combining several kinds of apparatuses with different functions together, is a third fixing manner between an orthopedic internal fixation and external fixation, is integrated with functions of traction, reduction, reverse traction and local fixation and longitudinal pressurization, is used for directly fixing a fracture or a bone dislocation in vitro in a minimally invasive manner, and can achieve the goal of restoring body and limb functions. Compared with external fixation by using apparatuses such as splints and gypsum supports, the fixation in this manner is firm and reliable; compared with internal fixation by using apparatuses such as steel plates and intramedullary nails, the damage is small and the risk of wound infection is avoided.
Owner:特格喜吉嘎拉
Sterile article placing device
PendingCN113598963AEasy to count four timesStandard and tidySurgical furnitureReoperative surgerySurgical device
Provided is a sterile article placing device. At present, when an operation is carried out, the number of surgical instruments and objects is large, the surgical instruments and objects cannot be placed on a plane, nurses need to count for four times, and counting errors are easily caused. The device comprises: a disinfection and sterilization basket (1), a tray (2), an antenna frame (3), a Z-shaped support (4) and a clamping part (6), wherein a bottom of the Z-shaped support is in threaded connection with the clamping part, a top of the Z-shaped support is in threaded connection with a center of the antenna frame, the tray and the antenna frame are fixed in an inserted mode, the disinfection and sterilization basket is arranged on the tray, and an insertion column (10) at a top of each antenna of the antenna frame is inserted into a grid of the disinfection and sterilization basket. The device is used for placing sterile articles.
Owner:杜彦玲
Recombinant engineering bacterium for producing 2 '-fucosyllactose as well as construction method and application of recombinant engineering bacterium
ActiveCN114634883AReproduce fastEfficient expressionFungiMicroorganism based processesFucoseGenetic engineering
Owner:OCEAN UNIV OF CHINA
needle with safety device
ActiveCN103298509BEasy to useNo risk of infectionCatheterInfusion needlesBiomedical engineeringNeedle safety
The invention relates to a needle (10) having a distal end (11), a proximal end (12) and a stem (13) extending between them, and a tip (14) at its distal end (11). The needle (10) is provided with a safety device (20) arranged to be able to move between a first position in the proximal region of the stem (13) and a second position at the distal end (11) of the stem slide on the trunk (13). The safety device also includes a housing (21, 22) having a proximal opening (23) and a distal opening (24) for passage of the stem of a needle, the tip of the needle when the safety device is in the second position (14) is inside the housing. The device comprises closure means (30) which close the distal opening (24) of the housing when the tip of the needle is located within the housing.
Owner:B BRAUN MEDICAL
Wound imaging device
InactiveCN103637772AFast measurementHigh precisionDiagnostic recording/measuringSensorsMedicineDisplay device
The invention discloses a wound imaging device which comprises an optical transmitting set. Light emitted by the optical transmitting set is reflected by a wound and then is received by a sensor, a central processing unit carries out coded imaging on the signals received by the sensor, and imaging results are stored in a memorizer and are displayed and output through a displayer. The wound imaging device does not make contact with the wound directly, infection risks do not exist, measuring speed is fast, precision is high, and the wound imaging device is suitable for being popularized and applied in clinical practice.
Owner:QINGDAO ANXIN MEDICAL DEVICES
Cultivation method for twice gonad maturation of micropterus salmoides in one year
PendingCN114831060AMeeting Nutritional Special NeedsImprove developmentClimate change adaptationAnimal feeding stuffNutritionZoology
The invention relates to the field of aquaculture technology and fishery independent innovation, and discloses a cultivation method for twice gonad maturation of micropterus salmoides within one year, which comprises the steps of parent selection and temporary rearing, culture water temperature reduction in summer, culture water temperature increase in autumn and winter, illumination time adjustment, parent nutrition supplement adjustment, gonad maturation index calculation and the like. The sexual glands of micropterus salmoides are induced to develop out-of-season maturity, and the requirement that out-of-season breeding has serious lack of parents is met. Through a water temperature adjusting technology, a natural illumination simulation technology and a nutrition enrichment technology, the water temperature, illumination and nutrition requirements of seasonal changes in the nature for gonad development of fishes are simulated, the gonads of micropterus salmoides are induced to mature for the second time within one year, and the purpose of providing sufficient parents required by out-of-season breeding is achieved. And support is provided for expanding the micropterus salmoides culture scale and realizing adult fish culture in the current year.
Owner:HUAIYIN TEACHERS COLLEGE
A medical cotton swab box
The invention discloses a medical cotton swab box. The medical cotton swab box comprises a box cover and a box body, wherein clamping bodies are arranged at the bottom end of the outer part of the box body; clamping grooves are formed in the bottom end of the inner part of the box cover; the clamping bodies and the clamping grooves are matched with each other so as to lock the box cover and the box body sleeved together; protruding hollow cylinder bodies are arranged on the upper cover surface of the outer part of the box cover; liquid medicine can be accommodated in the hollow cylinder bodies; the hollow cylinder bodies accommodated with the liquid medicine are sealed through aluminum foils; hollow cotton swab placing holes are formed in the inner part of the box body; cotton swabs are arranged in the hollow cotton swab placing holes reversely; handles are arranged on the side surface of the box cover. The invention has the benefits that medical cotton swab box is simple and convenient to use, contagion-risk-free for patients, can be recycled, is easy to recycle, and can lower the medical economic cost.
Owner:李凤
A blood treatment filter
InactiveCN104174085BNo risk of infectionAvoid infectionHaemofiltrationBlood treatmentsAutomatic control
Owner:BEIHUA UNIV
Features
- R&D
- Intellectual Property
- Life Sciences
- Materials
- Tech Scout
Why Patsnap Eureka
- Unparalleled Data Quality
- Higher Quality Content
- 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com