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36results about How to "Guaranteed aseptic operation" patented technology
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Method for cultivating water lily aseptic seedling
InactiveCN103461134ANeatly sproutedDisinfect thoroughlyPlant tissue cultureHorticulture methodsAlcoholSludge
The invention discloses a method for cultivating water lily aseptic seedlings. The method for cultivating the water lily aseptic seedlings comprises the following steps: (1) collecting and treating seeds, namely selecting water lily seeds, washing by adopting sterile water, sterilizing for one minute by adopting 70% alcohol, then sterilizing by adopting 10% sodium hypochlorite, washing by adopting the sterile water under an aseptic condition, placing the water lily seeds into a sterile water bottle and carrying out germination accelerating; (2) cultivating and transplanting the young water lily seedlings, namely after third main leaves of the young water lily seedlings grow, respectively transplanting the young water lily seedlings into conical flasks filled with the sterile water and sterile fine pond sludge to be cultured, and when seventh or eighth main leave of the young water lily seedlings grow, transplanting the water lily seedlings into planting pots to be continuously cultured. The method for cultivating the water lily aseptic seedlings has the advantages that the massive seedlings can be directly propagated, the labour and the time are saved, and the cost is saved; the germination of the water lily seeds is uniform, the water lily seeds are thoroughly sterilized, the seedling culture cost is low, the emergence rate is up to more than 80%, the irregular emergence of the seedlings and interference caused by external factors during the conventional seeding of the water lily seeds are overcome, and the effect is obvious.
Owner:ZHENJIANG SUIHAN AGRI
Novel normal-pressure room-temperature plasma induced mutation breeding device
ActiveCN103981091ASmooth dischargeEnables continuous automated processingBioreactor/fermenter combinationsBiological substance pretreatmentsInduced mutationControl system
The invention relates to a novel normal-pressure room-temperature plasma induced mutation breeding device. The novel normal-pressure room-temperature plasma induced mutation breeding device comprises a sample processing system, a cooling system, a control system and a detection system; the sample processing system comprises a clean working chamber without bioactive contaminants; a step motor and an object stage are arranged in the clean working chamber; the object stage is arranged on the step motor; at least one sterilizing device mounting position is reserved in the inner cavity or on the wall of the clean working chamber; the detection system comprises a gas flow controller, a temperature sensor and a position sensor; and the control system comprises an operating panel and a controller, and the controller is used for controlling the step motor to realize rising and falling or horizontal rotation of the object stage so as to automatically process a plurality of samples. The novel normal-pressure room-temperature plasma induced mutation breeding device is capable of realizing the functions of continuous automatic processing, automatic sterilization, automatic monitoring and control on the samples, and also capable of completing the plasma induced mutation breeding in the normal pressure and room temperature environment at higher efficiency.
Owner:WUXI TMAXTREE BIOTECHNOLOGY CO LTD
Method for constructing tissue-engineering bone by pouring stem cell of inducing bone marrow ground substance into vivo
InactiveCN101091804ARapid vascularizationHigh speedBone implantArtificial boneTissue engineered bone
The present invention relates to a method capable of utilizing internal perfusion to induce bone marrow matrix stem cell to construct tissue engineering bone. Said method includes the following steps: (1), extraction, separation and culture of bone marrow matrix stem cell; (2), preparation of coral composite artificial bone; and (3), creation of perfusion system.
Owner:戴江华
Novel fermentation tank
InactiveCN101358169AImprove throughputExtend the life cycleBioreactor/fermenter combinationsBiological substance pretreatmentsBiochemical engineeringCoupling
The present invention discloses a novel fermentation tank, which comprises a tank body, a membrane filter and a pipeline; wherein, the membrane filter is arranged inside the tank body; one end of the pipeline is connected with the membrane filter in the tank; the other end of the pipeline leads out of the tank or leads out of the tank through a hollow stirring shaft. The membrane filter can be arranged on the wall of the tank through the pipeline or on the hollow stirring shaft, and the included angle between the membrane filter and the longitudinal axis of the tank is between 0 degree and 90 degrees. In the process of bio-fermentation, the fermentation tank can carry out membrane separation, the positive pressure inside the fermentation tank or / and the negative pressure outside the fermentation tank ensure that liquid-phase material can permeate the membrane and pass through the pipeline to reach other devices outside the fermentation tank, and suspended cells and intercepted granules are intercepted in the fermentation tank to keep fermenting. The novel fermentation tank utilizes the characteristic of the combination of the fermentation tank and the membrane separation, to realize the coupling of cell culture and product abstraction. The fermentation tank does not affect the growth and metabolism of cells, the reaction effect is good, the biochemical reaction system is stable, moreover, the cost is low, investment is little, and the fermentation tank is applicable to biological reaction.
Owner:姜泓芳
Cultivation method of breeding sows
The invention discloses a cultivation method of breeding sows and belongs to the field of cultivation methods of the breeding sows. The cultivation method includes the steps of firstly, controlling temperature and humidity; secondly, feeding; thirdly, selecting a boar, inducing oestrus, and checking and judging oestrus states; fourthly, mating, to be more specific, performing artificial insemination, stimulating during the artificial insemination, and stimulating after mating. The cultivation method has the advantages that the pig house environments, feeding, oestrus inducing and the whole mating process of to-be-inseminated sows are controlled and managed systematically, the humanized insemination measure simulating natural insemination is used, and the insemination rate and parturition rate are increased.
Owner:永州市天顺畜牧科技有限责任公司
Efficient in-vitro amplification method of human natural killer cells
ActiveCN105462923AReduce manufacturing costSimple and fast operationBlood/immune system cellsIrritationCD16
The invention discloses an efficient in-vitro amplification method of human natural killer (NK) cells. The efficient in-vitro amplification method includes the steps that CD16 monoclonal antibodies, ATG and IL-2 are added into a processed culturing system, incubation is carried out in an incubator at the temperature of 37 DEG C, counting and solution changing are carried out, and fresh IL-2 is added; a culture solution is changed at regular intervals, culturing continues for a proper time, and the human NK cells are obtained. The efficient in-vitro amplification method has the advantages that the NK cells can be efficiently amplified through the ATG and the CD16 antibodies in a short time without being subjected to separation of magnetic beads and irritation of tumor modification cells, production cost is greatly saved, and operation is easy and convenient; the number of amplification times of the NK cells is one thousand or more, and the final proportion ranges from 80% to 93%; production efficiency is high, and the efficient in-vitro amplification method can be entirely applied to large-scale clinical researching and the like; the growth process of the NK cells is completed under the GMP condition, sterile operation is guaranteed, various kinds of security detection are carried out at the final production stage, and the efficient in-vitro amplification method can be applied to clinical researching.
Owner:THE SECOND HOSPITAL OF SHANDONG UNIV
One-time multichannel graduation endoscope operating sheath system
InactiveCN101947096AGuaranteed aseptic operationReduce lossUltrasonic/sonic/infrasonic diagnosticsSurgeryEndoscopeGuide wires
The invention belongs to the technical field of medical apparatus and instruments, and aims to provide a one-time multichannel graduation endoscope operating sheath system in the operation process of endoscope diagnosis and treatment, which is composed of a one-time sterile multichannel graduation endoscope operating sheath, a channel divergent tube and a graduation guide wire. The system can be used with the traditional common endoscope having the corresponding specification and accessories thereof, thus fundamentally solving the difficult problem of low efficiency for cleaning and disinfecting the endoscope and reaching the purposes of aseptic technique and auxiliary measurement on the premise of giving full play to functions of the endoscope and accessories thereof. The system of the invention not only can effectively avoid cross-infection caused in the operation process of endoscope diagnosis and treatment, but also can simplify the complicated cleaning and disinfection processes for the endoscope, and can effectively reduce the endoscope loss and prolong service life of the endoscope.
Owner:SHANXI MEDICAL UNIV
Eyedrops dripping device
PendingCN108498236ADrop accuratelyAvoid tendernessEye treatmentSingle-unit apparatusEyelidEngineering
The invention relates to an eyedrops dripping device. The device is provided with two swing arms, the middles of the two swing arms are hinged through a shaft pin, a base is fixed to the shaft pin, and internally provided with a diversion hole, a dropper is connected with the diversion hole, a guide rod is fixed to the rear portion of one swing arm, a through hole is formed in the other swing arm,the guide rod penetrates through the through hole, an adjusting nut is installed on the guide rod, a spring is arranged between the adjusting nut and the swing arm provided with the through hole, thetwo ends of the spring abut against the swing arm and the adjusting nut respectively, extrusion stems are installed on the rear portions of the two swing arms, and the heads of the two extrusion stems are opposite. A bottle opening of an eyedrops bottle is connected with the diversion hole formed in the base, a bottle body is located between the two extrusion stems, the front ends of the two swing arms are attached to the upper eyelid and the lower eyelid of an eye in the closing state, the rear portions of the two swing arms get together face to face, and the front ends of the two swing armscan gradually open up the upper eyelid and the lower eyelid of the eye in the closing state; meanwhile, the two extrusion stems extrude the eyedrops bottle, eyedrops can be squeezed out from the sysedrops bottle and dripped into the eye through the dropper.
Owner:张华伟
Full-fuction abdoment perspective machine and its application
A full-function abdomen dialyzer is composed of main body, perfusion pipeline and electric controller. The said main body consists of the dialyzing liquid preparing box with level rule, probe of tempcontroller and electrothermal membranes, the dry hot type disinfecting box containing electromagnetic value and three-way pipe joint, and the electric control box. It can be used to perform whole dialysis procedure with low cost.
Owner:朱方汉 +1
Surgical repair patch as well as preparation method and application thereof
The invention discloses a surgical repair patch as well as a preparation method and application thereof. The preparation method of the surgical repair patch comprises the following steps of taking in-vitro raw material skin, removing hair tissues from the outer surface layer, and removing an epidermal layer and a subcutaneous tissue layer by a mechanical cutting method to obtain a corium layer; soaking the corium layer in a nonionic surfactant solution for degreasing; then, performing soaking treatment in an alkali solution for decellularization; next, performing soaking treatment in an equilibrium buffer solution; and finally, carrying out thermal crosslinking to obtain the surgical repair patch. The preparation method can be applied to preparation of surgical repair patches used in the fields of stomatology, neurosurgery, abdominal wall surgery or gynecology. By adjusting the blade on machinery, the thickness of the corium layer is controlled; and meanwhile, a thermal crosslinking method is adopted, so that the interior of collagen molecules is self-dehydrated to form hydrogen bonds, the stability of the repairing film is improved, and the degradation time is further prolonged.
Owner:YANTAI ZHENGHAI BIO TECH
Biotechnological temperature-adjustable cell culture device
InactiveCN108795745AExtended sleep timeImprove work efficiencyBioreactor/fermenter combinationsBiological substance pretreatmentsCulture vesselCryopreservation
The invention belongs to the technical field of biotechnology, particularly relates to a biotechnological temperature-adjustable cell culture device, and aims to solve the problems that low-temperature adjustment can be adjusted, and culture is simple. The biotechnological temperature-adjustable cell culture device comprises a door, door hinges are hinged to positions, close to two ends, of the outer wall of one side of the door, the outer wall of one side of each door hinge is welded with the same culture box, fixing plates are welded at positions, close to two ends, of the outer walls of opposite sides of the door and the culture box, and the same spring is fixed to the outer wall of one side of each fixing plate through a bolt. Cells can be cryopreserved, cell dormancy time is prolonged, the cells can be taken out and recovered at any time when culture is needed, culture time is shortened, working efficiency is improved, the culture box can be constantly heated or cooled, the cell culture device is more suitable for cell reproduction and survival, a culture medium for a culture vessel and a cryopreservation tube can be cleaned before and after culture, the cells attached to thewalls can be washed down, and sterile operation is kept.
Owner:ZHENGZHOU LIFUAI BIOLOGICAL TECH CO LTD
T-type peritoneoscope sterile protective sleeve
InactiveCN107693129AQuick foldFast and completeSurgical furnitureLaproscopesPERITONEOSCOPEEngineering
The invention relates to a T-type peritoneoscope sterile protective sleeve. The T-type peritoneoscope sterile protective sleeve comprises an imaging system sterile protective sleeve body and a cold light source sterile protective sleeve body which are arranged in a T type, wherein openings are formed in the two ends of the imaging system sterile protective sleeve body, one end of the cold light source sterile protective sleeve body, and the other end of the cold light source sterile protective sleeve body is integrally connected with the imaging system sterile protective sleeve body; the protective sleeve bodies are of an inner-outer two layer structure; a locking device winding the opening, arranged transversely, in one end of the imaging system sterile protective sleeve body, and a drawcord device used for folding the protective sleeve is concealed between the inner layer and the outer layer of each protective sleeve body is arranged at the other end of the imaging system sterile protective sleeve body and the opening end, arranged transversely, of the cold light source sterile protective sleeve body. The T-type peritoneoscope sterile protective sleeve is capable of reducing workload of medical workers and consequently shortening operation time and capable of the risk of operation infection.
Owner:DALIAN UNIV
Eschar grinding surgical instrument capable of sensing and displaying application force in real time
InactiveCN106108981AChange areaChange depthDiagnosticsAbrasive surgical cuttersSecondary InfectionsContact force
The invention discloses an eschar grinding surgical instrument capable of sensing and displaying application force in real time. The eschar grinding surgical instrument comprises a glove body detachably provided with a plurality of grinding patches. At least one grinding patch is arranged on the thumb side of the glove body, the outer surfaces of the grinding patches are rugged grinding surfaces, an interlayer is arranged on the palm side of the glove body, a pressure sensor used for sensing the application force of a hand is arranged in the interlayer, and data collected by the pressure sensor is transmitted to a signal receiver to be displayed. By arranging the glove body, medical staff can sense the contact force with the skin of a patient in real time and adjust the strength flexibly according to the condition of a wound, and thus the situations that in the prior art, the contact area of a cutter or an eschar grinding instrument in a handle shape is too large, the grinding force is not easy to master, excessive removing is likely to occur, the local function achieved after healing of the wound of the patient is sacrificed, or thorough removing cannot be achieved, and anabiotic tissue is likely to be sacrificed due to secondary infection of the wound are avoided.
Owner:SHANDONG PROVINCIAL HOSPITAL
Cell culture method and system
ActiveCN109593703AGuaranteed aseptic operationFree from external pollutionBioreactor/fermenter combinationsBiological substance pretreatmentsCell factoryEngineering
The invention discloses a cell culture method and system. The method comprises the following steps: S10. a liquid interface expansion step: expanding one liquid interface of a cell factory into a plurality of liquid expansion interfaces; S20. an inoculation step: injecting a first culture solution containing inoculating cells into the cell factory through the first liquid expansion interface; S30.a first liquid expansion interface closing step: after the first culture solution is injected, closing the first liquid expansion interface and no longer opening the first liquid expansion interface;S40. a culture step; S50. a digestion step: identifying an unused liquid expansion interface and completing liquid exchange of the cell factory through the unused liquid expansion interface. The system includes the cell factory having at least one liquid interface, a liquid interface expansion device, and a liquid exchange device capable of being docked with or separated from the liquid expansioninterface to complete the liquid exchange of the cell factory. The cell culture method and system protect the liquid exchange process of the whole cell culture from being polluted by the outside andguarantee aseptic operations.
Owner:广州瑞贝斯药业有限公司
Protective film for ultrasonic probe
InactiveCN102894994ARelieve painShorten the timeUltrasonic/sonic/infrasonic diagnosticsInfrasonic diagnosticsAspiration biopsyRadiology
The invention relates to protective films, in particular to a protective film for an ultrasonic probe, belongs to the technical field of aspiration biopsy of ultrasonic departments, and overcomes the defects that the ultrasonic probe brings a lot of pains for patients during use and service life of the ultrasonic probe is shortened due to constant sterilization in the prior art. The protective film for the ultrasonic probe comprises a body which is a film sleeve with a closed end. A needle passage and a fastening strap are arranged on the outer wall of the body. Image colloid is disposed at the closed end. The needle passage comprises a needle inlet and a needle outlet. The needle outlet is connected with the image colloid. The protective film for the ultrasonic probe is mainly mounted on the ultrasonic probe for aspiration biopsy of prostate glands. The protective film for the ultrasonic probe is also applicable to gynecological puncture operations for treating vaginal cyst.
Owner:滕学东
Ultrasonic cake cutting machine
PendingCN108308225AReduce pollutionImprove efficiencyBaked article cutting/slicingManufacturing lineElectrical and Electronics engineering
The invention provides an ultrasonic cake cutting machine, comprising a frame, wherein an operation table is arranged in the middle of the frame; the operation table is provided with a movement receiving platform for bearing a cake; a liftable cutting device is arranged above the frame; the movement receiving platform comprises an X-axis transmission mechanism and a Y-axis transmission mechanism;the X-axis transmission mechanism and the Y-axis transmission mechanism are driven by an X-axis Y-axis driving portion, and the X-axis Y-axis driving portion comprises a synchronous belt for driving the X-axis transmission mechanism and the Y-axis transmission mechanism to move. According to the invention, the manual operation of cutting the cake is replaed with the machine with high efficiency, the cut cake is hygienic, the shape is regular, and both a circular cake and a square cake can be cut. Furthermore, the transmission form of the synchronous belt is adopted, and one synchronous belt completes driving in the X-axis and Y-axis directions, which reduces the pollution of a screw rod cylinder type driving device to a food production line, and ensures the whole-course sterilizing operation.
Owner:广州浩胜弘裕机械设备有限公司
Storage box of medical tools and apparatuses
The invention discloses a storage box of medical tools and apparatuses. The storage box comprises a box body, wherein a box cover is in pin connection to the top of the box body; braces are connectedto one side of the box body through clamping pieces; a disinfection drawer is arranged on the box body; a handle is connected to the outer surface of the disinfection drawer; and a protection plate isarranged at the top of an inner cavity of the disinfection drawer. The storage box for medical tools and apparatuses disclosed by the invention is simple in structure and reasonable in design; the disinfection drawer is mounted in the box body, so that disinfection before and after inspecting a patient is convenient, sterile operation is guaranteed, and infection is convenient to avoid; the disinfected medical apparatuses are placed in tank, and are placed in a classifying and distinguishing manner, and the storage box is convenient and practical; and adjustable telescopic supporting legs aremounted at the bottom of the box body, so that the storage box is convenient to adapt to different environments.
Owner:马管习
Mesenchymal stem cell preparation for treating knee osteoarthritis and research method thereof
PendingCN112870229AKeep aliveGuaranteed Survival QuantityCompounds screening/testingSkeletal disorderOptimal treatmentUmbilical cord
The invention discloses a mesenchymal stem cell preparation for treating knee osteoarthritis and a research method thereof. The research method comprises the following steps: preparing a platelet lysate, separating and culturing human umbilical cord MSCs, transplanting the human umbilical cord MSCs and evaluating the curative effect. The invention has the beneficial effects that the activity of prepared cells is ensured, the survival quantity of the cells can be used for experimental research, part of the cells are prevented from remaining in a culture bottle, the accuracy of cell counting is improved, the MSCs treatment is confirmed to be capable of obviously improving the pain of a patient suffering from knee osteoarthritis, and the effect is superior to that of a traditional hyaluronic acid treatment method; according to experimental data, the optimal treatment frequency can be selected, and a scientific basis is provided for treating knee osteoarthritis by using human umbilical cord mesenchymal stem cells in future.
Owner:HENAN YINFENG BIOENG CO LTD +1
Ovarian tissue section pushing device
ActiveCN106344131ASave porting timeShort exposure timeMedical devicesObstetrical instrumentsEngineeringOvarian tissue
An ovarian tissue section pushing device comprises a pushing core and an outer tube, wherein the outer tube coaxially sleeves the outside of the pushing core; the length of the pushing core is greater than or equal to the length of the outer tube; one end of the pushing core is fixedly connected with a handle; a projection is arranged at the other end of the pushing core and is positioned in the outer tube; and the projection is in sliding fit with the outer tube in a sealed manner. The ovarian tissue section pushing device is simple in structure and convenient to use, and transplanting time of an ovarian tissue section is greatly saved; and because the exposure time of the ovarian tissue section out of the body is short, recovery of an ovarian tissue and fertility of a postoperative patient is facilitated.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
Surgical navigation interaction system and interaction method based on artificial intelligence and gesture control
PendingCN114783564AGuaranteed aseptic operationAdjust the viewing angle of the navigation image in timeMechanical/radiation/invasive therapiesBiological neural network modelsNerve networkData set
The invention discloses a surgical navigation interaction system and interaction method based on artificial intelligence and gesture control. The system comprises a camera module, a support module and a calculation module. The method comprises the following steps: 1, acquiring a gesture image through a camera module to form a gesture recognition data set; enabling each gesture to correspond to a gesture code through definition; 2, establishing a neural network model for gesture recognition through the gesture recognition data set; 3, deploying the neural network model in a calculation module; and 4, collecting a current gesture of a doctor through the camera module during an operation, inputting the current gesture into the calculation module, converting the current gesture into a gesture code corresponding to the gesture in the gesture image, and transmitting the gesture code to the operation navigation workstation to convert the gesture code into a corresponding operation code to realize the operation. The method is convenient to operate and high in gesture recognition accuracy; the artificial intelligence calculation speed is high, and intraoperative interaction is free of time delay; a background area can be eliminated, and misoperation caused by the environment is avoided; disinfection operation is not needed, and a non-contact interaction system can be realized.
Owner:苏州寻是科技有限公司
Experimental apparatus for testing shear stress of cell fluid
InactiveCN106701558ASimple structureInnovative designBioreactor/fermenter combinationsBiological substance pretreatmentsPeristaltic pumpLiquid storage tank
The invention relates to an experimental apparatus for testing shear stress of cell fluid, which relates to the technical field of experimental devices for testing the shear stress of the cell fluid, and particularly relates to the experimental apparatus for testing shear stress of the cell fluid. The experimental apparatus comprises a principal computer (1), a pump controller (2), a peristaltic pump (3), a liquid storage tank (4), a support (5), a water outlet pipe (6), a water return pipe (7) and a fluid chamber (8), and is characterized in that the pump controller (2) is connected with the principal computer (1) and the peristaltic pump (3), the liquid storage tank (4) is installed on the support in a matching manner, a water returning opening is formed in the upper portion of the liquid storage tank (4), a water outlet is formed in the lower portion of the liquid storage tank (4), an inlet is formed in one end of the fluid chamber (8), an outlet is formed in the other end of the fluid cell (8), one end of the water outlet pipe (6) is connected with the water outlet of the liquid storage tank (4), and the other end is connected with the inlet of the fluid cell (8) in the matching manner by virtue of a pump head of the peristaltic pump (3).
Owner:夏亚一
Protecting device of interventional operation
The invention relates to a protecting device of an interventional operation, which is made into a single cylinder or double cylinders by protecting material; the protecting device of the single cylinder is used for protecting a single person and the protecting device of the double cylinders is used for protecting double persons. The protecting device comprises an upper part, a middle part, a lower part, a top cover and a chassis; except for the chassis and the top cover, the whole device is divided into a front half part and a back half part; the position of the back half part is fixed as an important bearing part; after rotating, the front half part can be superposed with the back half part; the front half part of the upper part is provided with a circular arm device, wherein the circular arm device can be freely disassembled and assembled; and both hands of an operator can perform an operation through the arm device. The invention provides a protecting device of an interventional operation, which provides comprehensive protection, relieves high load of an operation operator and ensures that the operation operator easily and conveniently rotates and moves in the operation process.
Owner:岳述福
Method for 3D reconstruction of fracture reduction situation and gesture control image during operation
InactiveCN111920437AObservation of three-dimensional shapeEasy resetInput/output for user-computer interactionImage enhancementArticular surfacesFracture reduction
The invention discloses a method for 3D reconstruction of a fracture reduction situation and gesture control image during an operation. The method comprises the following steps of: S1, performing CT scanning on a fracture part of a patient after reduction through a CT scanner, and importing the Diccom data of CT scanning into Mimics21.0 software; S2, converting the Diccom data into three-dimensional data by using the Mimics21.0 software; and S3, realizing intraoperative gesture operation and observing a fracture three-dimensional image by using a 3D gesture somatosensory controller. Accordingto the invention, the CT scanner is used for scanning the fracture part of a patient; unnecessary parts and artifacts of the scanned data are removed through a Mimics 21.0 software processor; the reconstructed three-dimensional image is displayed on a display screen; the 3D gesture somatosensory controller is used for carrying out rotating operation, so that whether the three-dimensional form of the fracture is good or not, whether the reduction is good or not, whether the articular surface is smooth or not and whether the screw is too long or protrudes into the joint or not can be conveniently observed in an operation, sterile operation can be guaranteed, a keyboard does not need to be touched, and the success rate of an orthopedic operation is effectively improved.
Owner:赵利明
Bent plastic pipette head
The invention discloses a bent plastic pipette head. The pipette head comprises a pipette head body and a filter element, wherein the pipette head body comprises a lower cavity, an upper barrel and aconnecting cavity connected with the lower cavity and the upper barrel, the lower cavity, the upper barrel and the connecting cavity are of an integrated structure, and the filter element is arrangedin an inner cavity of the lower cavity. The pipette head has the benefits as follows: compared with an original classical straight pipette head in each pipetting process, the operation action of the pipette head is more adapted to the artificial engineering principle, the operation process is easier and more convenient, the pipette head is particularly suitable for experiments requiring various long-term artificial pipetting operations, and the sterile effect in pipetting operation processes is guaranteed. The pipette head is bent, so that pressure gas flow is quickly downward under the regulation of the bent pipette head after leaving the oral liquid forwards and enters a mouth pipette under protection of a mask for various following precise pipetting operations.
Owner:刘晓
Novel fermentation tank
InactiveCN101358169BImprove throughputExtend the life cycleBioreactor/fermenter combinationsBiological substance pretreatmentsBiochemical engineeringPositive pressure
Owner:姜泓芳
A new atmospheric and room temperature plasma mutagenesis breeding device
ActiveCN103981091BSolve easy pollutionEasy to handleBioreactor/fermenter combinationsBiological substance pretreatmentsAutomatic processingPhysics
The invention relates to a novel normal-pressure room-temperature plasma induced mutation breeding device. The novel normal-pressure room-temperature plasma induced mutation breeding device comprises a sample processing system, a cooling system, a control system and a detection system; the sample processing system comprises a clean working chamber without bioactive contaminants; a step motor and an object stage are arranged in the clean working chamber; the object stage is arranged on the step motor; at least one sterilizing device mounting position is reserved in the inner cavity or on the wall of the clean working chamber; the detection system comprises a gas flow controller, a temperature sensor and a position sensor; and the control system comprises an operating panel and a controller, and the controller is used for controlling the step motor to realize rising and falling or horizontal rotation of the object stage so as to automatically process a plurality of samples. The novel normal-pressure room-temperature plasma induced mutation breeding device is capable of realizing the functions of continuous automatic processing, automatic sterilization, automatic monitoring and control on the samples, and also capable of completing the plasma induced mutation breeding in the normal pressure and room temperature environment at higher efficiency.
Owner:WUXI TMAXTREE BIOTECHNOLOGY CO LTD
Moisture bottle with disposable inner cup
The invention belongs to the technical field of medical apparatus and instruments, and particularly relates to a humidification bottle with a disposable inner cup, wherein the humidification bottle with the disposable inner cup is special for a medical float-type oxygen suction device. The humidification bottle with the disposable inner cup is composed of an outer bottle cover (1), an outer bottle (3), an inner cup cover (2) and an inner cup (4). The upper end threads (9) of the outer bottle cover (1) are arranged on the lower end portion of a float-type oxygen suction device valve body (8). Oxygen after being humidified is directly communicated with an oxygen outlet connector (7) of the float-type oxygen suction device valve body (8) without passing through a cavity between the inner cup (4) and the outer bottle (3). A groove (11) is arranged at the lower end of the outer bottle cover (1). A protruded block (12) is arranged at the upper end of the outer bottle (3). The inner cup (4) and the inner cup cover (2) are disposable products. The humidification bottle with the disposable inner cup is low in weight, simple and convenient to operate, quick to connect, low in humidification airflow noise, and capable of greatly reducing bacterium carrying rates and bacterium carrying quantity of the humidification bottle, and effectively avoiding cross infection inside a hospital during the use of the float-type oxygen suction device.
Owner:成都利泽科技有限公司
A kind of metal tube surface heat treatment equipment
ActiveCN105880302BGuaranteed aseptic operationSatisfy refinement requirementsFurnace typesHeat treatment furnacesComputer moduleEngineering
The invention discloses heat treating equipment for surfaces of a metal pipe, and belongs to the field of heat treating equipment for medical appliance materials. The heat treating equipment comprises a machine frame of the equipment, a machine body structure, a heating body structure and a control module, wherein the machine body structure is arranged in the machine frame to be used for supporting the metal pipe; the heating body structure is arranged on one side of the machine body structure to be used for heating the metal pipe; the control module is electrically connected with the machine body structure and the heating body structure to be used for controlling the relative movement of the machine body structure and the heating body structure. According to the heat treating equipment for the surfaces of the metal pipe, the metal pipe is clamped by the machine body structure which is used for supporting the metal pipe; the heating body structure on one side moves relative to the machine body structure, so that the metal pipe on the machine body structure is heated in a stretching manner, and sterile operation on the metal pipe during a stretching process is guaranteed; under the condition that the physical characteristics of the metal pipe are not changed, smoothing treatment in a water droplet manner is performed on stretching traces on the surfaces of the metal pipe. The heat treating equipment provided by the invention is simple in structure, and besides, refinement requirements of medical appliances for thin metal pipes are met.
Owner:SHENZHEN MUCHUAN ELECTROMECHANICAL EQUIP CO LTD
A kind of cell culture method and system
ActiveCN109593703BGuaranteed aseptic operationFree from external pollutionBioreactor/fermenter combinationsBiological substance pretreatmentsBiotechnologyCell factory
The invention discloses a cell culture method and system. The method includes the following steps: S10. liquid interface expansion step, expanding one liquid interface of the cell factory into multiple liquid expansion interfaces; S20. inoculation step, expanding the interface through the first liquid Injecting the first culture solution containing inoculated cells into the cell factory; S30. The first liquid expansion interface closing step, after the injection of the first culture solution is completed, the first liquid expansion interface is closed and no longer opened; S40. Cultivation step; S50. Digestion step, identifying an unused liquid expansion interface, and completing the liquid exchange of the cell factory through the unused liquid expansion interface. The system includes a cell factory, which has at least one liquid interface; a liquid interface expansion device; and a liquid exchange device, which can be connected to or separated from the liquid expansion interface to complete the liquid exchange of the cell factory. The invention makes the liquid changing process of the whole cell culture free from external pollution and ensures aseptic operation.
Owner:广州瑞贝斯药业有限公司
Full-automatic after-needle pasting sheet taking machine
PendingCN114275608AQuick plugEasy to take offArticle deliveryBandagesStructural engineeringMechanical engineering
The invention relates to a full-automatic after-needle pasting sheet taking machine. Comprising a base device connected with a power supply, a rotation driving device electrically connected with the base device is inserted into the base device, and a consumable box device electrically connected with the rotation driving device is inserted into the rotation driving device; the consumable box device comprises a consumable box shell and a consumable box cover which are buckled in a butt joint mode. A discharging port is formed in the side portion of the consumable box shell, and a separating piece used for separating the needle back sticker and the base material is arranged at the discharging port. The unwinding shaft is connected with an inner cavity of the consumable box shell and used for inserting a post-needle pasting roll, the winding shaft is rotationally connected with the inner cavity of the consumable box shell and used for winding a base material of the post-needle pasting roll, and the winding shaft is connected with an output shaft of the rotation driving device. The consumable box device can be rapidly replaced to achieve the purpose of replacing a new post-needle pasting roll, the replacement process is rapid and convenient, pollution caused by opening the shell and replacing the new post-needle pasting roll is avoided, and sterile operation in the replacement process is guaranteed.
Owner:TIANJIN HAIMAI MEDICAL TECH
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