92results about "Lab clamping means" patented technology

The invention discloses an intelligent glassware storage cabinet with recognition, classification and detection functions, and relates to the technical field of experimental facilities, the intelligent glassware storage cabinet comprises a glassware storage unit, a recognition and detection unit, an object taking and conveying unit and a control unit, and the glassware storage unit is installed in a storage cabinet body. The profiling groove of the memory sponge lining of the glass instrument storage unit is matched with instruments of the same type and multiple specifications, the pressing assembly achieves dynamic pressing through the micromotor and the pressure sensor, and the complexity of manually replacing a mold is avoided. The recognition and detection unit fuses a visual camera and a four-way ultrasonic detection module, accurate judgment of instrument types is achieved through visual recognition, an ultrasonic probe scans the interior of the instrument from the front, back, left and right faces, and hidden damage such as microcracks can be detected. The object taking conveying unit conveying belt achieves efficient linkage of a storage area and an object taking area, the object taking time of a single instrument is greatly shortened, the concentrated object taking efficiency of instruments of multiple specifications is improved, and the wrong taking rate is reduced.

To provide a laboratory system for monitoring a reference point of a laboratory device.SOLUTION: A laboratory system comprises a first laboratory device comprising a first reference point, a second laboratory device comprising a second reference point, and a coupling element. The coupling element couples the first reference point and the second reference point. The coupling element comprises a detectable part adapted to be moved between a starting position and at least one detection position when a relative position of the first reference point and the second reference point to each other changes. The laboratory system further comprises a sensor configured to detect the detectable part of the coupling element in the at least one detection position. In addition, a method of operating the laboratory system as described is disclosed.SELECTED DRAWING: Figure 1A

The application discloses a slice rack, which comprises a slice rack body, a plurality of slice grooves are arranged on the slice rack body, a horizontal rectangular coordinate system is arranged and comprises an X direction and a Y direction, two opposite sides of the X direction are arranged as a first X direction side and a second X direction side, two opposite sides of the Y direction are arranged as a first Y direction side and a second Y direction side, a clamp jaw is arranged on the first Y direction side and the second Y direction side in each slice groove, one end of the clamp jaw is a connecting end connected with the slice rack body, the connecting end of the two clamp jaws in each slice groove is located on the first X direction side of the X direction in the slice groove, the other end of the clamp jaw is a free end and faces the second X direction side of the slice groove, and the clamp jaw can be bent and deformed around the connecting end of the clamp jaw. The slice rack has a simple structure, can be integrally formed by molding, is convenient to install the slice, and is convenient, fast and reliable in slice installation.

The application belongs to the technical field of RNA extraction devices, and particularly relates to an ep tube rack for RNA extraction, which comprises an ep tube rack body, a controller, a placing hole, a sucking assembly and a shaking assembly. A plurality of rows of placing holes with different specifications are formed in the ep tube rack body. The sucking assembly comprises a clamping ring, a fixing frame, a fixing column and a stabilizing frame. The fixing frame is fixed to one side of the front end of the ep tube rack body. The fixing columns are rotatably connected to the adjacent surfaces on the upper ends of the two fixing frames, and the fixing columns are damping shafts. The clamping ring is fixed between the two fixing columns. The stabilizing frame is fixed to the middle of the front end of the ep tube rack body. The application solves the problem that if the experimenter shakes hands, the upper layer of colorless water phase is easily transferred to a new ep tube after centrifugation, which can cause experimental failure.

To provide a suitable locking assembly for a measuring system.SOLUTION: The present disclosure is directed in one aspect to a lock assembly for securing a sample tube assembly to a sample manifold of a measurement system. The locking assembly includes a ramp block having one or more slots defined therein and configured to at least partially receive a portion of a sample tube assembly. The ramp block also includes a plurality of surface features defined therealong and configured to engage and move the sample tube assemblies toward and into engagement with the sample manifold. The lamp block is further movable between a plurality of positions, including an open position for allowing the sample tube assemblies to be received through the one or more slots or openings, and a closed position that substantially seals the sample tube assemblies against or within the sample manifold. Other aspects are also described.SELECTED DRAWING: Figure 1

The invention discloses an automatic control chemical experiment reaction device which comprises a back plate, a clamping assembly, a stirring assembly and an injection thruster, the clamping assembly is fixedly connected to the back plate, the stirring assembly is placed on the front side of the back plate, the position of the stirring assembly is matched with that of the clamping assembly, and the injection thruster is placed on one side of the back plate. A driver and a controller which are fixedly connected with the back plate are arranged on the back plate, the controller is in electric signal connection with the driver, and the driver is in electric signal connection with the clamping assembly, the stirring assembly and the injection propeller; according to the device, by adopting a modular motor driving system, a plurality of assemblies with different functions are coordinated and dispatched, so that the steps of automatic clamping, heating and stirring, reagent injection and the like of a reaction container are sequentially completed by each assembly according to a preset program, the defects existing in manual operation in the whole process are greatly reduced, and the production efficiency is improved. A large amount of time can be saved, and meanwhile the implementation efficiency and repeatability are indirectly improved.

The application discloses a kind of quick temperature change damp heat test device, belong to temperature change damp heat test technical field, including test box, the bottom wall of the test box is slidably installed with placing plate, the bottom wall of the test box is rotatably installed with annular plate, the top wall of the annular plate is fixedly installed with mounting ring, the top wall of the mounting ring is uniformly fixedly installed with gas rod.This scheme passes impeller, in the process of air flow flow direction annular groove will blow impeller rotation, in the process of impeller rotation annular plate is driven to rotate, then in the process of annular plate rotation through mounting ring gas rod is driven to rotate, at the same time, when airflow passes through communication pipe, airflow will flow to gas tank through communication pipe, and flow to vertical groove through gas tank, then blow to the product to be measured through the air hole on vertical groove, so that the efficiency of the product to be tested can be improved uniformly heated, cold and wet, improve the efficiency and accuracy of test.

To provide a method for handling an in-vitro diagnostic (IVD) container, such as sample tubes or reagent cartridges, in a laboratory.SOLUTION: An automated method for handling an in-vitro diagnostic IVD container (30) in an IVD laboratory (1) is proposed. The method comprises at least steps of measuring at least one physical quantity of an IVD container (30), storing the at least one physical quantity in a read-writable data carrier (50) attached to the IVD container (30), and retrieving the at least one physical quantity from the read-writable data carrier (50) attached to the IVD container (30).SELECTED DRAWING: Figure 2

The application is a grading combination variable diameter beaker rack for heating glassware in a water bath, which belongs to the grading combination variable diameter beaker rack for protecting glassware from swinging. The rectangular frame of the beaker rack has two lateral partition bars and front and back frame bars. Each partition bar is provided with vertical positioning holes from the upper surface to the lower surface, and the lateral surface of the partition bar is provided with a sliding groove. The frame bar is provided with a frame bar threaded horizontal hole. The lateral surface of the sliding block in the frame is provided with a horizontal hole. A rotating rod is arranged in the frame bar threaded horizontal hole and the horizontal hole. The spherical end of the rotating rod is connected with a clamping device. The spherical segment shaped universal shell of the clamping device is fixedly connected with the back surface of the slot of the arc-shaped short tube. The flexible rubber strip is embedded in the slot of the arc-shaped short tube. The part of the flexible rubber strip outside the slot is used for flexible contact with the glassware. The problem of damaging the glassware due to the lack of a device for fixing the glassware in the water bath is solved. The problem of clamping and fixing various glassware with large diameter changes in the water bath is also solved.

A system (10) for the ultrasonic preparation of samples includes an ultrasonic horn (14) having a face (16), a support bracket (22), and a rack (24). The support bracket includes first and second portions (42, 44) moveable with respect to each other, such that movement between the two varies a distance between the rack and the horn face. The first and second portions are securable with respect to each other, such that the distance between the rack and the horn face can be maintained. A spacer (60) having a dimension equal to a target distance between the rack and the horn face is positioned between the rack and horn face such that the first and second portions are moved with respect to each other until the target distance is achieved, the first and second portions are secured with respect to each other, and then the spacer is removed.

A clip (1) for holding a microfluidic device (50) having a substantially planar bottom surface (51) and a substantially planar top surface (52), the clip comprising: a base (20) having a support surface (21) for supporting the bottom surface (51) of the microfluidic device (50); a cover plate (30) for holding the microfluidic device (50) on the support surface (21) of the base (20); a hinge (40) for connecting the cover plate (30) to the base (20) to rotate the cover plate (30) about a hinge axis (41); a pressure plate (31) mounted to the cover plate (30) for relative rotation about an axis of rotation (32) extending parallel to the hinge axis (41), the pressure plate (31) having an abutment surface (33) for engagement with a top surface (52) of the microfluidic device (50); and a clamping mechanism (61) for releasably securing the cover plate (30) to the base (20) for compressively holding the microfluidic device (50) between the support surface (21) and the abutment surface (33). The rotatable pressure plate (31) is pressed flush on the top surface (52) of the microfluidic device (50) such that the compression exerted by the clamp (61) on the microfluidic device (50) is more uniform.

A laboratory system for monitoring reference points of a laboratory apparatus. This disclosure relates to a laboratory system for monitoring reference points of a laboratory apparatus. The laboratory system includes: a first laboratory apparatus including a first reference point; a second laboratory apparatus including a second reference point; and a coupling element. The coupling element connects the first reference point and the second reference point. The coupling element includes a detectable portion adapted to move between a starting position and at least one detection position as the relative positions of the first and second reference points change relative to each other. The laboratory system further includes a sensor configured to detect the detectable portion of the coupling element at the at least one detection position. Furthermore, a method of operating the laboratory system is disclosed.

Embodiments disclosed herein are directed to microfluidic devices that allow for scalable on-chip screening of combinatorial libraries and methods of use thereof. Droplets comprising individual molecular species to be screened are loaded onto the microfluidic device. The droplets are labeled by methods known in the art, including but not limited to barcoding, such that the molecular species in each droplet can be uniquely identified. The device randomly sorts the droplets into individual microwells of an array of microwells designed to hold a certain number of individual droplets in order to derive combinations of the various molecular species. The paired droplets are then merged in parallel to form merged droplets in each microwell, thereby avoiding issues associated with single stream merging. Each microwell is then scanned, e.g., using microscopy, such as high content imaging microscopy, to detect the optical labels, thereby identifying the combination of molecular species in each microwell.

A forceps holding device according to exemplary embodiments of the present invention comprises: a forceps mounting unit in which at least a portion of forceps is inserted and mounted; and a storage space connected to the forceps mounting unit and accommodating contaminants therein. The forceps mounting unit includes a first tunnel extending from the storage space and a second tunnel extending from the first tunnel, and the second tunnel may be inclined at a predetermined angle with respect to the first tunnel.

Apparatus for positioning a microscope slide and comprising co-acting first and second clamping jaws attached to a robot arm and adapted to receive and carry a microscope slide.

This invention discloses a proton exchange membrane proton conductivity testing device, relating to the field of fuel cell proton exchange membrane performance testing technology. It includes a clamping assembly and a connecting assembly. The clamping assembly includes a first clamping member and a second clamping member. The first clamping member has multiple through-holes, and the second clamping member has multiple through-holes, with the multiple second through-holes corresponding to and communicating with the multiple first through-holes. The connecting assembly includes a connector that connects the first and second clamping members and can drive the first and second clamping members to move closer or further apart. Because the fuel cell testing fixture and the proton exchange membrane can be connected through multiple first or second through-holes without excessive obstruction, the proton exchange membrane can quickly reach the preset temperature and humidity, resulting in high testing efficiency and accurate proton conductivity testing.

The invention discloses a rapid solution concentration detection device for chemical experiments in senior high schools, and relates to the technical field of solution concentration detection.The rapid solution concentration detection device comprises a detection table, a positioning assembly is arranged at the top end of the detection table, four placement tables are fixedly connected to the top end of the detection table, and glass bottles are arranged at the top ends of the placement tables; the outer side of the detection table is fixedly connected with a support, the inner side of the support is provided with a lifting assembly, and the output end of the lifting assembly is fixedly connected with a connecting arm. According to the invention, through the arranged positioning assembly, a plurality of glass bottles can be fixed at the same time, the stability can be improved, subsequent detection is facilitated, on the other hand, the glass bottles can be centered and positioned, and it is ensured that a detection probe can extend into the glass bottles for detection; the concentration of the solution in the glass bottle is detected, a plurality of glass bottles can be detected at one time, and the working effect is improved.

A system for the ultrasonic preparation of samples includes an ultrasonic horn having a face, a support bracket, and a rack. The support bracket includes first and second portions moveable with respect to each other, such that movement between the two varies a distance between the rack and the horn face. The first and second portions are securable with respect to each other, such that the distance between the rack and the horn face can be maintained. A spacer having a dimension equal to a target distance between the rack and the horn face is positioned between the rack and horn face such that the first and second portions are moved with respect to each other until the target distance is achieved, the first and second portions are secured with respect to each other, and then the spacer is removed.

The invention relates to a coupling device (200) for coupling an analyzer (105) and a further analyzer and / or an additional analyzer for an analyzer system. The coupling device (200) has a lateral coupling element (205) and additionally or alternatively a vertical coupling element (600). The lateral coupling element (205) forms a first rail and a second rail. The first rail is designed to engage in a recess on the underside of a housing of the analyzer (105). The second rail is designed to engage in a recess on the underside of a housing of the additional analyzer in order to couple the analyzer (105) and the additional analyzer to each other in a positive-locking and / or force-locking manner.The vertical coupling element (600) forms a projection on its upper side to engage in a projection-receiving recess of a housing of an additional analyzer in order to couple the analyzer (105) and the additional analyzer to each other in a form-fitting and / or force-fitting manner.

The invention relates to a clamp for pressing a rectangular lid onto an upper face of a rectangular microtiter plate having two parallel longitudinal sides and two parallel transverse sides and a lower face. The invention further relates to a clamp module for storing, positioning, fastening and removing such a clamp. In order to provide, for a lid of a microtiter plate, a clamping system that is not bound to a base plate of a shaking device and is suitable for use in an automated laboratory environment but can also be manually operated if necessary, a clamp is proposed which is effective directly on the unit consisting of the microtiter plate and the lid thereon and can be handled in an automated laboratory environment by means of a clamp module.

A processing assembly for treatment of a sample on a substrate, including: a mounting block including a mounting surface for the substrate; a closure body configured to support a cover member; a closure body arm engaging with the closure body so that rotation of the arm about a pivot axis causes movement of the closure body between the open and closed positions; and a substrate retaining mechanism. The mechanism includes: a cam, and a substrate retaining arm including a cam follower engaging the cam. When the closure body is closed and the cover member engages the substrate, the substrate retaining arm is clear of the substrate, as the closure body arm commences rotation to enable the closure body to rotate towards the open position, but whilst the closure body remains in a closed position, the substrate retaining arm moves into engagement with the substrate, and disengages with the substrate.

A device for pressing a cassette is provided. The cassette includes an outer frame and an inner frame mounted in the outer frame, and the cassette is configured to be held in a groove of a mold. The device includes a pressing member; an abutment member configured to abut against the cassette; a sensor coupled between the pressing member and the abutment member and configured to measure a pressing force on the cassette, and a guide member configured to be mounted on the mold. The pressing member is detachably mounted to the guide member and slidable on the guide member in a vertical direction. The pressing force on the cassette can be detected in real time by the device according to the present disclosure.

The invention relates to a clamping mechanism, a blending device and a sample analyzer. The clamping mechanism comprises a clamping body. The clamping body is provided with a clamping hole and a limiting hole, and the clamping hole is communicated with the limiting hole. And the clamping body can clamp the sample container through the clamping hole. The diameter of the limiting hole is larger than that of the clamping hole, and the clamping body can limit movement of the sample container through the limiting hole. When the clamping body moves relative to the sample container in the arrangement direction of the clamping hole and the limiting hole to adjust the position, the position of the sample container can be switched between the clamping hole and the limiting hole. The clamping body is provided with the clamping hole and the limiting hole communicated with the clamping hole, the limiting of the sample container can be realized through the limiting matching of the limiting hole and the sample container, the whole structure is simpler, the uniform mixing operation is more convenient, and the uniform mixing efficiency can be improved.

This invention relates to the field of carbon dioxide geological storage technology, and discloses a microfluidic chip clamping device for carbon dioxide geological storage technology, including a base, an adapter, and a cover. The base has an assembly groove; the adapter is disposed within the assembly groove; the adapter has a slot for placing a microfluidic chip; the cover closes onto the base to press the adapter firmly; several adapters are provided, each with a different size slot. By selecting appropriate adapters between the base and the cover, microfluidic chips of different sizes can be assembled, increasing the usability of the clamping device to meet various application needs.

The application relates to the technical field of biological experimental equipment, in particular to a biological experimental protection device for biological teaching, which comprises a base, a workbench fixedly installed on the base, and an installation assembly fixedly installed on the base and used for installing equipment to be disinfected; through the setting of the placing plate and the special-shaped clamping piece, the alcohol lamp is supported and released through the contraction movement of the electric push rod; the special-shaped clamping piece continuously applies clamping force to the alcohol lamp bottle body under the action of the first spring, so that the alcohol lamp is prevented from moving along with the placing plate, and after the placing plate is pushed back to the original position by the electric push rod, an shielding area is formed above the burning alcohol lamp, so that the burning alcohol lamp is intercepted, and damage of the alcohol lamp to other surrounding articles during splashing is effectively prevented.

The invention relates to the technical field of temperature change tests, and discloses a rapid linear high and low temperature change test device which comprises a temperature change test control mechanism, the inner wall of the temperature change test control mechanism is connected with an angle adjusting mechanism and an angle linkage control mechanism, and the angle adjusting mechanism comprises a positioning ring. The outer wall of the positioning ring is rotatably connected with a positioning gear ring, one side of the positioning ring is fixedly connected with a protection ring, and the angle adjusting mechanism and the angle linkage control mechanism are introduced, so that a workpiece can perform multi-axis rotation in the testing process; according to the design, the phenomenon that local heating is uneven due to the fact that the distance between heating sources is far and near is effectively avoided, and the heating uniformity of workpieces is improved; the rotating gear and the rotating gear ring are driven by the driving motor, so that the positioning ring and the positioning gear ring drive the workpiece clamping mechanism and the workpiece to perform multi-axis rotation, and uniform heating of the workpiece in a temperature change test is ensured.

This application relates to filter life indicating media and holders. A media sample holder includes a substrate and a plurality of retention assemblies configured to allow attachment of the substrate to an attachment adapter, the plurality of retention assemblies including a retention tab and an opposing flexible release lever arm. The media sample holder can attach a media sample on or near a filter. The media sample held in the media sample holder can have a removal efficiency curve that is different from a removal efficiency curve of the filter. The media sample can be placed at or near the filter for a period of time and then tested to determine a status and / or life of the filter based on a relationship between a remaining life, exposure, or removal efficiency of the filter and an exposure or removal efficiency of the tested media sample.

The invention provides a biopharmaceutical multi-channel sampling device capable of preventing cross contamination, and relates to the technical field of sampling devices, the biopharmaceutical multi-channel sampling device is characterized in that a fixing frame is fixedly connected to the upper end surface of a base; the first electric push rod is fixedly mounted on the upper end surface of the base; the first-stage lifting frame is connected to the inner side of the fixing frame in a sliding manner; a second electric push rod is fixedly mounted on the upper end surface of the first-stage lifting frame; the second-stage lifting frame is connected to the inner side of the first-stage lifting frame in a sliding mode. A third electric push rod is fixedly mounted on the upper end surface of the second-stage lifting frame; the third-stage lifting frame is connected to the inner side of the second-stage lifting frame in a sliding mode, and the problems that in an existing biopharmacy sampling device, generally, only samples of a single process point or a single type can be sampled each time, and when multiple samples of different sources or different properties need to be obtained at the same time in the production process, the sampling time is shortened, and the sampling time is shortened are solved. Operators often need to repeatedly execute multiple independent sampling operations, the working efficiency is not high enough, and the working efficiency is improved.

To provide pressure-stepped chemical reactions and associated methods, systems, apparatuses, and articles.SOLUTION: In an acid digestion reaction performed in a vessel, an elastic lid or septum can be mounted to the mouth of the vessel with a flanged band. In response to determining that a predetermined pressure has been reached in the vessel, a closing force being applied to the lid or septum can be reduced to initiate venting from the vessel. One or more parameters, including the closing force, can be monitored during the venting, and the closing force can be responsively adjusted to optimize the venting. The closing force can be provided by a clamping apparatus that may or may not include a hydraulic system. The clamping apparatus can be configured to increase the closing force in response to increased hydraulic pressure in the hydraulic system.SELECTED DRAWING: None