83 results about "Laboratory technicians" patented technology

In a pulse oximeter of the invention, an arterial blood oxygen saturation at least at a walking end point of time is stored in a storage, in response to a detection result from a detector for detecting whether a subject is walking. With use of the pulse oximeter, a measurement result on arterial blood oxygen saturation in association with walking can be automatically obtained, without the accompaniment of a laboratory technician or a like support.

The present invention relates to a system for automatically detecting the presence of a cage or tray for containing laboratory animals in a specific position of a facility shelf and to a method for managing the data relating to the cage, implemented by means of said system, particularly advantageous for the laboratory technician. In particular, the present invention relates to a system (1) composed of a shelf (20) comprising a plurality of devices (23) designed to detect the position in the facility and the ID of a cage (30), a central control unit (73) designed to process, through software, the information received in order to offer the operator the possibility of tracking and managing, by means of a database, the whole facility. Numerous other functions of the system are included in the present invention, such as the function designed to detect and notify, visually or through the software, the correct positioning of a cage in the shelf.

Solid beads each containing a selected quantity of analyte are combined and a liquid base matrix that contains attributes of a biological fluid that is to be assayed, together constitute a kit from which a laboratory technician can, at the point of use, prepare a liquid control for a particular analyte, and preferably a series of such controls at different levels of the same analyte customized for a particular assay.

The invention belongs to the chemical detection analysis field and in particular relates to a technology for rapidly determining lead and chromium in dairy products by use of a microwave digestion-graphite furnace atomic absorption spectrometry. The method comprises the following steps: (1) preprocessing a sample; (2) preparing lead and chromium standard curve series solutions; (3) drawing lead and chromium standard curves; and (4) measuring the sample. Compared with the prior art, the method has the beneficial effects that the sample preprocessing time is short and is only 2.4h, the operation is simple, the harm to laboratory technicians can be reduced to the maximum extent due to use of microwave digestion, the environment is friendly, the whole microwave digestion process of the sample is performed in a closed environment, a small amount of target detection substances are volatized, the contamination of external substances is avoided, the detection result has high accuracy and good repeatability, lead and chromium in the dairy product can be measured simultaneously, and the method is suitable for the batch processing and measurement of samples, is suitable for determining the contents of lead and chromium in various samples such as raw milk, sterilized milk, modified milk, milk powder, fermented milk and the like, and has wide application range.

When automatically classified results are different from judgment of a laboratory technician, the laboratory technician has to reselect the bacterial colonies one-by-one to be a pickup colony through watching the displayed image. To get rid of the inconvenience, provided is a pretreatment device for a bacteria test comprising: a specification unit by which an operator instructs to specify the number of bacterial colonies and the increased / decreased number of the bacterial colonies to be displayed; and a display unit for displaying classification results obtained following the operator's instruction. The pretreatment device for a bacteria test facilitates the automatically classified results to be brought close to the judgment of the laboratory technician, resulting in the saving of the time required for checking the appropriate bacterial colonies for the pickup colony.

The invention discloses a laboratory mouse fixing device which comprises binding cloth and adhesive tapes, wherein the binding cloth is provided with adhesive positions corresponding to the abdomen and the neck of a laboratory mouse and provided with opening positions for enabling the head, the back, the abdomen and the four limbs of the laboratory mouse to be exposed out, and the adhesive tapes are arranged on the adhesive positions. The adhesive positions corresponding to the abdomen and the neck of the laboratory mouse fix the body and the neck of the laboratory mouse, the head, the back, the abdomen and the four limbs of the laboratory mouse can be exposed out from the opening positions, and the four limbs of the laboratory mouse miss step and have no point of strength, so that the binding effect is good. A laboratory technician can carry out experimental operation for the corresponding parts of the laboratory mouse through the openings of the binding cloth.

In the event of a suspected abnormality in the device, sample or reagent, a laboratory technician had to examine the abnormal reaction process data item by item, and infer the cause of the abnormality, which took effort and time in some cases. Abnormality judgment is assisted using: indicator computation means that computes an indicator indicating a feature parameter of a given waveform by applying a pre-defined evaluation formula to time series data of photometric values; relative indicator computation means that computes a value indicating a relationship of the indicator of target data to the indicator computed in the past; and indicator display means that simultaneously displays a value computed by the indicator computation means and the value computed by the relative indicator computation means. According to the present method, which is a method for assisting judgment of abnormality wherein a feature parameter of a given absorbance change is computed, it can be made easier to find certain abnormalities, and it becomes possible to attain more efficient device maintenance and improved device reliability without the addition of any new parts.

The invention relates generally to standard sets of proteins, polypeptides, or peptides, and methods of using the standard sets to standardize laboratories, laboratory procedures, or laboratory equipment, and to certify laboratories and laboratory technicians. In certain aspects, the invention relates to standard sets of proteins, polypeptides, or peptides, that may be used in mass spectrometry.

The invention discloses an experimental instrument, in particular to a laboratory mouse holder, comprising a first clamp arm, a second clamp arm, a first clamp sheet and a second clamp sheet. The first clamp arm is in crossing connection with the second clamp arm through a torsion spring. The torsion spring divides the first clamp arm into a first clamping end and a first handle. The torsion spring divides the second clamp arm into a second clamping end and a second handle. Both the first clamp sheet and the second clamp sheet are arc shaped. A first compression spring is disposed between a convex face of the first clamp sheet and the first clamping end. A second compression spring is disposed between a convex face of the second clamp sheet and the second clamping end. The first clamp sheet and the second clamp sheet are disposed between the first clamping end and the second clamping end. A concave face of the first clamp sheet faces a concave face of the second clamp sheet. The holder can replace a human hand to hold a laboratory mouse in a mouse cage, protecting a laboratory technician from being bitten. The holder is applicable to scientific research experiments, such as medical experiments, pharmaceutical experiments and biological experiments.

When automatically classified results are different from judgment of a laboratory technician, the laboratory technician has to reselect the bacterial colonies one-by-one to be a pickup colony through watching the displayed image. To get rid of the inconvenience, provided is a pretreatment device for a bacteria test comprising: a specification unit by which an operator instructs to specify the number of bacterial colonies and the increased / decreased number of the bacterial colonies to be displayed; and a display unit for displaying classification results obtained following the operator's instruction. The pretreatment device for a bacteria test facilitates the automatically classified results to be brought close to the judgment of the laboratory technician, resulting in the saving of the time required for checking the appropriate bacterial colonies for the pickup colony.

The invention relates to an automation magnetic susceptibility instrument capable of measuring a long core sample, comprising a gate-type probe (20), a magnetic susceptibility instrument (24) and a chain transmission device, wherein one standard sample or multiple standard samples can be placed on the chain transmission device, or provided with a long core sample; all the samples can pass throughthe gate-type probe (20) in sequence; a measured sample magnetic susceptibility signal or multiple measured sample magnetic susceptibility signals is / are transmitted to the magnetic susceptibility instrument (24) by the gate-type probe (20) to be processed to obtain data collection. In the invention, the chain transmission device is adopted for measuring the standard samples or the long core samples in batch, thereby reducing the influence of experimental error caused by personal factors; meanwhile, because of the introduction of the chain transmission device, the laboratory technicians are liberated from the boring and complicated measurement, the working intensity of the laboratory technicians is reduced greatly and the working efficiency is improved.

The invention relates to a device for automatic determination of the emulsion breaking degree of an oil product and a determination method. In the existing equipment for determination of the emulsionbreaking degree of the oil product, the automation degree is low, a laboratory technician needs to observe the oil-water separation condition in the whole process and the working efficiency is not high. The determination method comprises the following steps: by utilization of the Lambert-Beer law, stable monochromatic light transmits through a measuring cylinder containing the oil product, due todifference of light transmittance of the oil product, water and stirred emulsion, the transmitted lights are different in intensity, the light transmittance of each layer can generate jump, the jump part of the light transmittance is adopted as a dividing part of the layer and another layer, the height of each layer is equal to a product between the moving time of transmitting pools approximatelyequal in light transmittance multiply the moving speed of the transmitting pools, a control system calculates out the height of each layer automatically so as to judge a test endpoint. A lightproof cover with manual opening and closing is also designed at the periphery of a water bathtub, the test endpoint can be artificially judged by pulling and opening the lightproof cover and selecting a manual mode. The device and the determination method have the advantages that unattended determination for the emulsion breaking degree of the oil product is realized and the automation level of the determination process is improved.

The invention discloses a material mixing device for an inorganic chemical experiment. The material mixing device comprises material mixing tank, the material mixing tank is internally provided with astirring device, the stirring device comprises a first stirring shaft located at the upper part and a second stirring shaft located at the lower part, a speed reducer is connected to the upper end ofthe first stirring shaft and is connected with a motor, the first stirring shaft is sequentially provided with a first grinding roller, a second grinding roller and a third grinding roller from top to bottom, a matched funnel-shaped first grinding sleeve, a matched funnel-shaped second grinding sleeve and a matched funnel-shaped third grinding sleeve are respectively arranged at the peripheries of the first grinding roller, the second grinding roller and the third grinding roller, the distances between the three grinding rollers and the matched grinding sleeves sequentially decrease from topto bottom, first rod type blades are staggered at the upper part of the second stirring shaft up and down, a propeller blade is arranged at the lower part of the second stirring shaft, and a fan-shaped stirring blade is arranged at the bottom part of the second stirring shaft. The materials do not need to be ground in advance before the materials are mixed, the labor intensity of a laboratory technician is reduced, and the mixing efficiency is improved.

Solid beads each containing a selected quantity of analyte are combined and a liquid base matrix that contains attributes of a biological fluid that is to be assayed, together constitute a kit from which a laboratory technician can, at the point of use, prepare a liquid control for a particular analyte, and preferably a series of such controls at different levels of the same analyte customized for a particular assay.

In the event of a suspected abnormality in the device, sample or reagent, a laboratory technician had to examine the abnormal reaction process data item by item, and infer the cause of the abnormality, which took effort and time in some cases. Abnormality judgment is assisted using: indicator computation means that computes an indicator indicating a feature parameter of a given waveform by applying a pre-defined evaluation formula to time series data of photometric values; relative indicator computation means that computes a value indicating a relationship of the indicator of target data to the indicator computed in the past; and indicator display means that simultaneously displays a value computed by the indicator computation means and the value computed by the relative indicator computation means. According to the present method, which is a method for assisting judgment of abnormality wherein a feature parameter of a given absorbance change is computed, it can be made easier to find certain abnormalities, and it becomes possible to attain more efficient device maintenance and improved device reliability without the addition of any new parts.

The invention relates to a full-automatic Westergren's method-based erythrocyte sedimentation rate analyzer. A sample injection frame module is arranged on the foremost side of the analyzer, a shaking-up module is arranged in the middle spare position of the sample injection frame module, a code scanning device is arranged on one side of the sample injection frame module, and a liquid path modulefor sucking samples, diluent and cleaning liquid is installed on one side of a bottom plate; a pipe placing frame module for placing a measuring pipe and driving the measuring pipe to rotate is mounted on the bottom plate; a cleaning position lifting module for pushing and pulling a piston in the measuring pipe to realize the functions of extracting cleaning liquid and releasing the liquid is mounted on one side of the pipe placing frame module; a cleaning nozzle is correspondingly arranged under the cleaning position lifting module, and a detection lifting module is arranged on one side of the pipe placing frame module; a puncture sampling module is of a double-needle structure and comprises an outer needle for puncture and an inner needle for sample suction. The erythrocyte sedimentationrate analyzer is fully automatic, thereby liberating the manpower of a laboratory technician in a laboratory, and reducing the errors of manual operation and reading; and with an advanced infrared liquid level reading technology, the measurement result is more accurate.

The invention discloses a college laboratory bench monitoring system and method. The system comprises a laboratory bench monitoring device, a cloud server and a mobile client; the laboratory bench monitoring device is mainly composed of a temperature sensor, a first processor, a second processor and an image sensor; the first processor is always in two working modes of dormant and non-dormant modes which are converted regularly along with time; when the first processor is in a working mode, the first processor controls the temperature sensor to collect the temperature in a reaction kettle and judges whether the temperature reaches a temperature change threshold value or a temperature threshold value; if the temperature reaches the temperature change threshold value or the temperature threshold value, the second processor is started to control the image sensor to collect the image in the reaction kettle; the second processor processes the image and the temperature and then uploads to the cloud server; if the temperature does not reach the temperature change threshold value or the temperature threshold value, the first processor enters the dormant mode; and the method describes the control method of the system. In adoption of the college laboratory bench monitoring system and method provided by the invention, the labour intensity of a laboratory technician is greatly reduced; and the degree of freedom of the laboratory technician is improved.

The invention provides a biological safety bin for a small animal living body fluorescence imaging instrument. A safety bin body comprises a bin box, a bin cover, a high-efficiency filter, a negative pressure system and a carrying plate; the bin box and the bin cover are detachably connected so as to jointly clamp to form a bin chamber; the high-efficiency filter is used for filtering gas discharged from the bin; the negative pressure system is used for forming a negative pressure environment in the bin; the carrying plate is arranged in the bin and used for fixing small animal living bodies; the bin cover is provided with a transparent window which is used for being matched with a fluorescence imager to carry out imaging on the small animal living bodies on the carrying plate. The invention also provides the fluorescence imager. The carrying plate is adopted to fix the small animal living bodies, the carrying plate is small in structure and small in occupied bin space, and miniaturization design of the safety bin body is facilitated; the operation of fixing the small animal living bodies by the carrying plate is simple and convenient, and experimenters can easily carry thick gloves to operate; the safety bin body is only provided with a bin box external air pipe which needs to be manually communicated by a laboratory technician, operation is little, and the probability of poisonous gas leakage caused by improper operation during air pipe connection is reduced.

The invention discloses an oil bath pan with automatic tightening and oscillation functions. The bottom of a pan body is provided with a fixing device and an oscillation device; the fixing device is used for fixing a container for containing articles to be subjected to constant temperature treatment; the fixing device comprises a fixing seat arranged at the bottom of the pan boy, a clamp and an automatic opening and closing mechanism which is arranged at the bottom of the pan body and is used for driving the clamp to realize automatic fastening and loosening; the oscillation device comprises aconvex round disc arranged at the bottom of the pan body, a first push rod matched with the convex round disc, an installing plate realizing the guide effect and a spring which is in parallel arrangement with the first push rod and is used for providing restoring force for the first push rod; the installing plate is fixedly arranged at the bottom of the pan body; the first push rod passes throughthe installing plate to be connected with the fixing seat. The fastening and the loosening of the clamp are controlled through the fixing device; through the oscillation device, heated reagents in the oil bath pan can reach the full and uniform mixing, so that the workload of laboratory technicians is reduced.

The invention provides a method for culturing bifidobacterium in a common incubator, a special culture medium and a corresponding count method. The special culture medium comprises an MRS-lactose solid medium and a pectin solid medium, wherein the MRS-lactose solid medium is laid on a panel bottom layer and mixed with a bacterial solution, the pectin solid medium is laid on the MRS-lactose solid medium, the panel is then inverted, and placed in the thermostatic incubator with the temperature of 37 DEG C for bacterial culturing. The special culture medium is laid by two layers, which makes theculturing of bifidobacterium in the common thermostatic incubator possible; the method for culturing bifidobacterium in a common incubator can be implemented through the common thermostatic incubator,without anaerobic incubators, anaerobic culture tanks, hungate roll-tubes and the like, and thus, investment input for equipment and medicament is low, operation is simple, and even general laboratory technicians can complete the operation after simple training.

A system which allows a user to transmit image data to a print laboratory technician and receive photo prints at a shop suffers cumbersome personal identification when the print laboratory technician reliably hands photo prints. To solve this problem, an electronic camera transmits image sensing data, and designation information which designates a print service which should print the image sensing data. An image gateway transmits the received image sensing data and a printing instruction for the image sensing data to the print service designated by the received designation information. Upon confirming that the print service has received the image sensing data and printing instruction, the image gateway transmits, to the electronic camera, receipt information which corresponds to the printing instruction and is used to receive a print.

The invention discloses a device and method for automatic recognition and catching of laboratory animals, which is based on electronic chips, receivers and a computer management module subcutaneously embedded in the laboratory animals. The device comprises necessary passages arranged in a laboratory animal feeding floor, the receivers fixedly connected in the necessary passages, and an electronic chip reader connected between the receivers and the computer management module. Each of the necessary passages is provided with a through-opening and a movable fence for connecting a driving control terminal so as to seal the necessary passages to the computer management module. The working mode is selected through the computer management module, and the receivers and the reader are used for automatic recognition and catching of the laboratory animals normally moving through the necessary passages. The device and the method overcome the problems of intelligent recognition and catching of the laboratory animals, reduce physical injury threats of the laboratory animals to laboratory technicians, and improve the safety and convenience of animal experiments.

The invention relates to the field of bacterium experimental facilities, in particular to a subsidiary experiment device for a clean bench. The device comprises a machine body, a combustion frame, a butt joint unit, a cover taking unit and an accommodating unit. The combustion frame is installed on the lower portion of the machine body and can adjust the position of a combustion nozzle. The butt joint unit is located on the upper portion of the machine body and used for butt joint of a test tube and a sample taking element, and the sample taking element can be a rubber cap dropper or inoculating loop. The cover taking unit is used for unscrewing a cover of a reagent bottle and can conduct fire sterilization on a bottle opening and the cover of the reagent bottle at the same time. The accommodating unit is located at the right side of the cover taking unit and used for vibration mixing of solutions in different containers. By the adoption of the device, experiment processes can be simplified, and experiment difficulty can be reduced by means of the butt joint unit; furthermore, by combining the combustion frame, the butt joint unit, the cover taking unit and the accommodating unit, neatness of the clean bench can be maintained, and a good operation environment can be provided for laboratory technicians.

The invention discloses a multifunctional fish vision experiment device comprising an upper computer system, a control system, a driving system and a backlight plate group. The control system is connected with the upper computer system and the driving system, and the driving system is connected with back light plates; the upper computer system is used for adjusting experiment parameters and controlling the color, luminance, lighting time interval and the like of each backlight plate as well as the luminance and color in each area; the control system is used for selecting several preset common experiment schemes, adjusting and checking part of the experiment parameters and sending corresponding orders and data to a driving plate through obtaining the experiment parameters input by a laboratory technician; and the driving system provides constant currents for the backlight plate group by utilizing a constant current circuit. The multifunctional fish vision experiment device has the characteristics of being simple in structure and convenient to operate and avoiding noises in an experiment process.

The invention provides an automatic oscillator, which comprises a rotating rod as well as a turntable and a rotating wheel a respectively fixed at two ends of the rotating rod; a mechanical arm is arranged on the turntable; the mechanical arm and the turntable are fixedly connected; the other end of the mechanical arm is provided with a column body; the column body and the mechanical arm are fixedly connected; and a plurality of cavities are arranged on the column body. Laboratory technician can be relieved from complex work through the oscillator; moreover, the working efficiency is improved.

The invention provides an experimental reagent intelligent management method based on experiments. Reagents required to be used in a reagent cabinet are managed based on different types of experiments. The method is characterized by comprising the following steps: S1, storing reagent related information; S2, storing an experiment name of an experiment and reagent names of reagents required for performing the corresponding experiment as experiment type information; S3, inputting the name of the to-be-experimented experiment; S4, retrieving the experiment type information and the reagent related information according to the name of the to-be-experimented experiment, and acquiring the corresponding reagent names and position information of the reagents; S5, acquiring the position information of the experimenter, and sorting the position information of the reagents according to the distance degree according to the position information of the experimenter to form an extraction position sequence; S6, generating an extraction list according to the extraction position sequence and the corresponding reagent names; and S7, sending the extraction list to a laboratory technician, and enabling the laboratory technician to go to a corresponding reagent cabinet to extract the reagents according to the extraction list.

Embodiments of the present invention relate to a genomic DNA extraction method suitable for bacteria and / or fungi. The method comprises the following steps: removing a liquid part in a clinical specimen to obtain a concentrate of fungi and / or bacteria; in the obtained concentrate, adding an appropriate amount of lysozyme, lywallzyme and glass beads, performing mixing, and performing lysis on cellwalls of fungal and / or bacterial cells contained in the concentrate to obtain a cell fluid; and denaturing and degrading protein components in the cell fluid to release genomic DNA to obtain a mixed solution. The method is applicable to both the bacteria and the fungi, the lywallzyme added for lysing the fungal cell walls does not affect the extraction of the bacterial genomic DNA, and the lywallzyme added for lysing the bacterial cell walls does not affect the extraction of the fungus genomic DNA; and when a laboratory technician needs to extract genomic DNA from a strain in the clinical sample, the laboratory technician does not need to distinguish whether the strain is bacteria or fungi.

The invention provides a method and device for achieving archive management informatization, and is applied to archive management of laboratory technicians. The method for achieving the archive management informatization comprises the following steps of acquiring a user identifier of a current logged-in user; receiving the archive information when the current logging-in user is determined to be ananalysis researcher through the user identifier, wherein the archive information comprises personal information of the technical personnel, the technical information and the service information; generating the identity identifier of the technician according to the personal information, and correspondingly storing the identity identifier, the technical information and the service information in apreset storage position; and carrying out informatization management on the archives of the laboratory technicians. According to the invention, informatization management of laboratory technician files can be realized, and the management effect of archives is effectively improved.

The invention discloses a chemical experiment teaching safety demonstration device. The device comprises a box body and a top cover; the upper end of the top cover is fixedly connected with a displayscreen; a breather pipe is fixedly connected to the left side of the box body, an air outlet pipe is fixedly connected to the right side of the box body at the same height, the outer surfaces of the breather pipe and the air outlet pipe are sleeved with sealing rings and fixed to the left side and the right side of the box body respectively; a rotary table is inserted into the bottom end of the box body, and a chassis is rotationally connected to the lower end of the rotary table. According to the chemical experiment teaching safety demonstration device, in chemical experiments, an operator only needs to insert two hands into protective gloves; then, the chemical experiment is operated in the operation table of the box body through the protective gloves, potential harm on laboratory technicians is reduced; in the operation process of some gas experiments, air can be introduced into the box body through the breather pipe, meanwhile, a test tube rack can be driven by a pull rod to adjustthe height of test tubes, it is convenient for operation of experimenters; and idle test tubes can be conveniently placed in placing holes in the periphery of the chassis.

The invention belongs to the technical field of microbial research, and discloses an incubator for microbial propagation experiments. The incubator comprises a box body. By arranging electric heatingplates and semiconductor refrigeration sheets, the temperature inside a ceramic liner can be controlled, and a good temperature environment is provided for the microbial propagation experiments; by arranging an ultraviolet germicidal lamp, the interior of the ceramic liner can be disinfected before the ceramic liner is put into a culture dish, and thus the situation that deviation of experimentaldata is caused by mutualism of bacteria and culture microorganisms inside the ceramic liner can be effectively avoided; and by arranging an observation window, the observation window is electrically controlled photochromic glass, power on is clear, the culture situation of the microorganisms is observed conveniently by a laboratory technician, power off is obscure, light rays can be effectively prevented from entering the ceramic liner, and a good living environment is provided for the microorganisms.