| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073864110 | With suction applying and liquid discharge means | 84 |
| 20080257072 | Methods of Separating, Identifying and Dispensing Specimen and Device Therefor, and Analyzing Device Method - [PROBLEMS] A (a) (b) separation unit can confirms a separation state, a detection unit enhances a lighting efficiency and a light reception sensitivity, and a dispensing unit ensures the normal state of a specimen. [MEANS FOR SOLVING PROBLEMS] A specimen separation device characterized by comprising a container for storing a specimen, a nozzle for sucking and ejecting the specimen from the container, a nozzle operating means for moving the nozzle vertically and laterally, and a nozzle controlling means for controlling the suction force and ejection force of the nozzle. A specimen identification device comprising a nozzle for sucking a specimen from a container storing the specimen, a flow path for allowing the specimen to flow therethrough, and a measuring unit having a monitoring light lighting unit and a light receiving unit for observing (monitoring) the specimen that are installed in a flow path, characterized in that the above nozzle, the flow path and the measuring unit are formed in an integrated structure. | 10-23-2008 |
| 20080257073 | Biological Material Fixed Region Enclosing Tip, Biological Material Fixed Region Treatment Apparatus, and Treatment Method Thereof - A biological material fixed region enclosing tip, a biological material fixed region treatment apparatus, and a treatment method thereof. An object is to enable processing to be performed while a fixing region is enclosed in an immovable state with respect to the tip form vessel, and to execute processing of high reliability with a simple apparatus. The biological material fixed region enclosing tip comprises: a tip form vessel having an installation opening part that is installable to a nozzle that performs suction and discharge of gas, and an opening through which inflow and outflow of fluid is possible by means of the suction and discharge of gas; a fixing region provided in the tip form vessel, in which a predetermined biological material is fixed or fixable in a plurality of different positions that are determined beforehand that are distinguishable from the exterior; and an enclosing section that encloses the fixing region within the tip form vessel such that the fixing region is able to make contact in an immovable state with the fluid that has flown into the tip form vessel from the opening. | 10-23-2008 |
| 20080307904 | Liquid Specimen Sampling System and Method - Method and system for obtaining a liquid sample from a particulate matter-containing liquid in, e.g., a specimen container. A receptacle is used that has an inlet and a chamber for collecting the liquid sample. A discharge passage accommodates upward flow of liquid from the container. The discharge passage preferably has an upper discharge port, and at least one intake submerged in the liquid in the container. A flow-metering passage prevents particulate matter above a predetermined size from passing into the receptacle chamber. Liquid transfer commences after the receptacle inlet is placed in liquid-tight communication with the discharge port. Operation of mechanized system also is disclosed, as well as an arrangement and method for handling multiple receptacles at a liquid transfer station. | 12-18-2008 |
| 20090000401 | AUTOANALYZER AND PROBE ELEVATING METHOD - An autoanalyzer includes a measurement unit which measures a reaction liquid produced by an interaction between a reagent and an examined sample contained in a reaction container, a sample probe which sucks the examined sample from a sample container and discharges the examined sample to the reaction container, a probe elevating arm which elevates the sample probe with respect to the sample container, and a control unit which controls the probe elevating arm so that a speed at which the sample probe enters a liquid surface of the examined sample to perform an n-th suction operation (n≧2) of the examined sample is slower than a speed at which the sample probe enters the liquid surface of the examined sample to perform a first suction operation of the examined sample. | 01-01-2009 |
| 20090019955 | Disposable Pipette and Methods for Making and Using the Same - The present invention provides inexpensive pipettes and related structures offering high precision while minimizing the effects of operator error and chances of cross-contamination. In one embodiment, a pipette comprises a suction apparatus and a hollow body comprising a sample collection chamber, the sample collection chamber open at a first end and closed by a porous barrier material intermediate to or at a second end opposite the first end, wherein the suction apparatus is coupled to the hollow body. | 01-22-2009 |
| 20090056477 | DISPENSING APPARATUS, DISPENSING METHOD, AND AUTOMATIC ANALYZER - A dispensing apparatus includes a dispensing nozzle that moves between a first position and a second position. The dispensing nozzle sucks in a liquid specimen including a reagent at the first position and dispenses the liquid specimen into a vessel located at the second position. An agent applicator is located on the path of movement of the dispensing nozzle. The agent applicator applies, to the discharge end portion of the dispensing nozzle, an agent having a low affinity for the liquid specimen than the inner surface of the dispensing nozzle. | 03-05-2009 |
| 20090139351 | PIPETTE - A pipette with a pipette housing, in which are arranged an accommodation for the fastening portion of a syringe cylinder of a syringe, a plunger accommodation in an accommodation body for a syringe plunger of the syringe, fastening devices for reversibly fixing the fastening portion and the syringe plunger in the accommodations, and plunger setting devices for shifting the accommodation body in the pipette housing, with a pull-up member for removing the accommodation body from the accommodation, and an actuation member for drawing the accommodation body near to the accommodation. | 06-04-2009 |
| 20090158861 | Pipette - The invention relates to a process for producing a pipette ( | 06-25-2009 |
| 20090211380 | Method of Detecting Dispensed Quantity, and Liquid Suction Monitoring Dispensing Apparatus - There are provided a method of detecting dispensed quantity in which without the need of detecting a surface of liquid accommodated in a container, a liquid quantity can be detected only by measuring pressure change; and a relevant liquid suction monitoring dispensing apparatus. There is provided a method of detecting dispensed quantity for detection of the quantity of liquid suctioned and discharged by a dispensing apparatus including a pipette tip, a liquid suctioning/discharging mechanism for the pipette tip, a pressure sensor capable of detecting the pressure within the pipette tip, and a lifting and lowering mechanism for the pipette tip, which method comprises: an insertion step for inserting a distal end of the pipette tip down to the deepest zone of a container accommodating liquid to be measured; a suction pressure measuring step for without moving of the pipette tip, while suctioning the liquid into the pipette tip at a predetermined suctioning rate, measuring any pressure change during the suctioning; and a suction detecting step for on the basis of pressure change measured, determining the state of suction. Further, there is provided a liquid suction monitoring dispensing apparatus capable of practicing this method. | 08-27-2009 |
| 20090249896 | SCANNING ARM FOR SEMICONDUCTOR WAFER POLLUTANT MEASUREMENT APPARATUS AND SCANNING DEVICE USING THE SAME - Provided is a scanning arm which moves to collect pollutants on the surface of a semiconductor wafer, for use in a semiconductor wafer pollutant measurement apparatus, and a scanning device using the same the scanning arm includes: an X-axis portion; a Z-axis portion which is perpendicularly installed with the X-axis portion so as to move forward and backward along the X-axis portion; and a Y-axis portion which is perpendicularly installed with the Z-axis portion so as to move up and down with respect to the Z-axis portion. The scanning device includes: the scanning arm; and a scanning nozzle which is installed at the Y-axis portion, and inhales a scan solution from a reagent solution bottle to then discharge a reagent scan solution on the surface of a wafer which is located on a scan stage and simultaneously keep an inhalation condition and move along the surface of the wafer, to then inhale and keep the scan solution including pollutants sticked on the wafer surface. The X-axis portion, the Y-axis portion and the Z-axis portion includes a linear motion (LM) guide and a screw bar in an external casing, respectively, in which a slider is combined with the screw bar by a ball bushing combination so that the slider moves according to rotation of the screw bar. The scanning nozzle includes: a pumping portion; a support which supports the pumping portion; and a nozzle main body which is connected below the pumping portion. The scanning device for the semiconductor wafer pollutant measurement apparatus has a feature that collection and drying are simultaneously achieved by the scanning arm having a three-axis operational trace and a drier. | 10-08-2009 |
| 20090293647 | Sample Holder, Sample Suction Device Using the Same, and Sample Processing Method - Because a sample holder | 12-03-2009 |
| 20090301231 | Microvalve Controlled Precision Fluid Dispensing Apparatus with a Self-Purging Feature and Method for use - An apparatus and methods for the precise, repeatable dispensing of small, sample fluid volumes, especially as related to the printing of microarrays for biological and/or chemical testing. A pressure tuning module meters fluid volumes for aspiration and dispensation and builds pressure for fluid dispensation, in conjunction with a microvalve that precisely controls the volume of the fluid dispensed under the built pressure. A pressure source can be switched in line to efficiently purge the apparatus of residual sample fluid. A working fluid can be optionally aspirated into the system, prior to aspirating the sample fluid, in order to maximize sample fluid recovery. | 12-10-2009 |
| 20090301232 | APPARATUS AND METHODS FOR LIQUID SAMPLE HANDLING BASED ON CAPILLARY ACTION - The present invention comprises a removable capillary tip insert which provides for replacement of an individual capillary in the dispensing head of an automated liquid handling apparatus. In some embodiments, the insert has been designed to accept variable capillary lengths while maintaining a constant length protruding from the insert. In a preferred embodiment, the removable capillary insert of the invention comprises a head adapted to accept an insertion tool and tapered to seat in the dispense head; a shaft with external threads which form a threaded collar that permits the insert to be screwed into the dispense head; a lumen running internally from the proximal to the distal ends of the head and shaft which forms a hollow interior in the insert in which a capillary resides; and a capillary tube of user-selected liquid capacity. One embodiment, without limitation, comprises a molded plastic part with an integral capillary tube. Other embodiments comprise dispensing heads with various configurations of capillary inserts and methods for automated liquid dispensing using the same. | 12-10-2009 |
| 20090320622 | Microreactor array, Device Comprising a Microreactor array, and Method for Using a Microreactor Array - Disclosed are a method and a device for feeding and/or discharging fluids in microreactor arrays through one or several fluid ducts that extend into each individual microreactor and can be individually controlled and regulated, in order to control, regulate, influence, and/or verify processes. The fed or discharged amounts of fluid are introduced into or discharged from the volume of the reaction liquid during a continuous shaking process and are evenly mixed as a result of the shaking process. The continuous shaking process causes sufficient mass transfer and thorough mixing of the reaction partners or fluids while the reaction is not limited or restricted by the mass transfer conditions. | 12-31-2009 |
| 20100000342 | NEEDLE AND DEVICE FOR SOLID PHASE MICRO EXTRACTION - The invention relates to a hollow needle ( | 01-07-2010 |
| 20100011888 | METHOD AND DEVICE TO EXTRACT COMPONENTS CONTAINED IN A FLUID - Applicants' teachings relate to a method and device to extract components contained in a fluid. More particularly, the applicants' teachings are directed towards a method and sampling device for quick extraction of targeted components from their in vivo surroundings. In accordance with various embodiments of applicants' teachings a sampling device and method to extract components, such as, for example, analytes, from a fluid is provided. The device is interfaced with a fluid source, such as, for example, but not limited to, a circulatory system of an animal, to enable extraction of target molecules with minimal loss of fluid (e.g., blood) to the source. The device facilitates an interface between the circulatory system of an animal and a suitable sampling probe such as, for example, a solid phase microextraction (SPME) probe. The targeted compounds are desorbed in small volumes of solvents that can be analyzed with highly specific instruments. In particular, in various embodiments of applicant's teachings a device to extract components contained in a fluid is provided. The device comprises a housing defining a cavity, with the housing having at least one opening to allow fluid flow into and out of the cavity. The device also comprises a probe insertable into the cavity of the housing. Moreover, the device comprises a channel, with the channel adapted to connect the cavity to a fluid pump, so that when the probe is inserted into the cavity the fluid pump causes fluid to flow into and out of the cavity through the at least one opening and contact the probe in the cavity. | 01-21-2010 |
| 20100024576 | SAMPLE DISPENSER - Clogging of a sample probe is reliably detected even when the suction level of a sample varies. Provided are a sample dispenser ( | 02-04-2010 |
| 20100043575 | PIPETTE TIP HAVING CARRIER/FLUID ENCLOSED THEREIN, APPARATUS FOR TREATING PIPETTE TIP HAVING CARRIER/FLUID ENCLOSED THEREIN AND METHOD OF TREATING PIPETTE TIP HAVING CARRIER/FLUID ENCLOSED THEREIN - The present invention relates to a pipette tip having a support and a fluid enclosed therein, an apparatus for treating the pipette tip having a support and a fluid enclosed therein, and a method of treating the pipette tip having a support and a fluid enclosed therein. The present invention aims at providing separation and purification that may be performed more efficiently and rapidly than the treatments using a conventional treatment using liquid chromatograph or a filter, and constituted to have a function for sustainedly activating the support by comprising a pipette tip comprising an attachment opening that is to be attached to a nozzle for sucking and discharging a gas or to a connecting tube attachable to the nozzle and may be communicated with the nozzle, and an opening that allows flow-in and flow-out of a liquid in response to the suction and discharging of the gas; a support enclosed in the pipette tip, which may adsorb or capture a biological material in the liquid or react with or bond to the biological material; and a fluid for sustainedly activating the support, which comprises a predetermined liquid or a predetermined gas that is enclosed in the pipette tip in a breakable state and comes into contact with the support. | 02-25-2010 |
| 20100089185 | METHOD AND DEVICE FOR THE METERED DISPENSING OF A MEDIUM - A method for metered dispensing of a medium from a container, a dosing pipette (P | 04-15-2010 |
| 20100122588 | DEVICE AND METHOD FOR PROVIDING A PREDETERMINABLE CONCENTRATION OF AT LEAST ONE COMPONENT IN A LIQUID MEDIUM - A method and a device for providing a predeterminable concentration of at least one component in a microscopic sample liquid medium are described. The device includes a feeding device for the at least one component. Measurement data are determined, measuring a predeterminable parameter using a microscopic method. The concentration of the at least one component is adjusted or controlled via the feeding device based on the basis of measurement data. | 05-20-2010 |
| 20100199788 | INSTRUMENTED PIPETTE TIP - An improved pipette tip ( | 08-12-2010 |
| 20100212437 | DEVICE FOR WITHDRAWING A LIQUID SAMPLE FROM A CONTAINER OR FOR DISCHARGING A LIQUID SAMPLE INTO A CONTAINER, AND APPARATUS INCORPORATING THE DEVICE FOR WITHDRAWING LIQUID SAMPLES FROM RESPECTIVE ONES OF A PLURALITY OF CONTAINERS OR FOR DISCHARGING LIQUID SAMPLES INTO RESPECTIVE ONES OF A PLURALITY OF CONTAINERS - Apparatus ( | 08-26-2010 |
| 20100229659 | LIQUID TRANSPORTING DEVICE - A liquid transporting device capable of transporting a liquid, such as dispensing or distributing a liquid, to microplates in number larger than a value mountable on a table. The liquid transporting device comprises a table on an upper surface of which a storing member and a discharge receiving member are detachably mounted, sucking/discharging means, a control unit for transporting a liquid in accordance with a previously incorporate program while relatively moving the sucking/discharging means and the table, input means, and alarm signal notifying means. The control unit has a function of determining whether ID information of the storing member and/or the discharge receiving member, which is a work target of the previously incorporate program, is identical to ID information of the storing member and/or the discharge receiving member mounted on the table. The control unit continues transporting work when both data of the ID information are identical at the same position, and issues an error signal and notifies the ID information of the storing member and/or the discharge receiving member, which is the work target of the previously incorporate program, through the alarm signal notifying means when the both are different. | 09-16-2010 |
| 20100313687 | STIRRING DEVICE AND ANALYZER - A stirring device ( | 12-16-2010 |
| 20110072914 | Flow Cells And Manifolds Having An Electroosmotic Pump - A flows cell for use in a microfluidic detection system is provided. The flow cell includes a flows cell body having a channel that is configured to convey a solution through the flows cell body. The flow cell also includes a bottom surface and a top surface. The bottom surface is configured to be removably held by the detection system and the top surface is transparent and permits light to pass therethrough. The flow cell body also includes fluidic inlet and outlet ports that are in fluid communication with the channel. A pump cavity is also provided in the flow cell body. The pump cavity fluidly communicates with, and is interposed between, an end of the channel and one of the fluidic inlet and outlet ports. An electroosmotic (EO) pump is held in the pump cavity. The EO pump induces flow of the solution through the EO pump and channel between the fluidic inlet and outlet ports. | 03-31-2011 |
| 20110072915 | HANDHELD PIPETTING APPARATUS - A handheld pipetting apparatus for metering liquids, with a handleable pipette housing, at least one accommodation for a fastening portion of a syringe cylinder of a syringe, at least one plunger accommodation in an accommodation body for a plunger fastening portion of a syringe plunger of the syringe, fastening means for detachably holding the fastening portion in the accommodation and the plunger fastening portion in the plunger accommodation, at least one displacement device with a displacement chamber and a shiftable chamber wall limiting the same, for displacing a fluid; at least one seat for detachably holding a pipette point, a channel, connecting a hole in the seat with a displacement chamber, and at least one drive device, which is connected to and/or couplable with the accommodation body and/or the chamber wall, for shifting the accommodation body with respect to the accommodation, and/or the chamber wall with respect to the displacement chamber. | 03-31-2011 |
| 20110146419 | SAMPLE ACQUISITION DEVICE - A sample acquisition device includes a capillary array configured to draw in a sample and retain the sample by capillary action. The capillary array may be coupled to an elongated member, such as a stem or a hollow tube, which defines a longitudinal axis extending in a first direction. In some embodiments, the capillary array defines a major sample acquisition surface that extends in a second direction different than the first direction. A ratio of the major sample acquisition surface area to maximum volume retained by the capillary array may be selected to minimize physical binding between the capillary array and sample. In some embodiments, the device may include a feedback mechanism to indicate the relative pressure applied to a sample source with the sample acquisition device. In addition, in some embodiments, the sample acquisition device may include a suction source to help draw the sample into the capillary array. | 06-23-2011 |
| 20110214517 | Automatic Pipette Extraction - An automatic extractor for volumetric pipettes includes a pair of gripping jaws. Each gripping jaw has a non-slip gripping surface juxtaposed symmetrically along a longitudinal pipette axis. The non-slip gripping surfaces are spaced apart from one another to provide ample room to place a volumetric pipette therebetween. A stationary support plate located above the pair of gripping jaws receives the nose of a hand-held pump while the stem of the attached pipette triggers an activation switch that closes the gripping jaws and removes the pipette. | 09-08-2011 |
| 20110277565 | COAXIAL NEEDLE AND PIPETTING DEVICE - A two-part coaxial needle for a pipetting device, in particular for use in microscopy of cell probes, makes it possible both to inject a liquid into a pipetting container and to remove by suction a liquid from the pipetting container. Both the drive for lowering the coaxial needle into the pipetting container, and injection and removal by suction of the liquid take place pneumatically by way of only one pressure source. The design of the coaxial needle and of the drive systems makes possible fast and reliable pipetting with high metering accuracy and a particularly compact pipetting unit which without mutual interference can be used with a multitude of widely-used microscope types. | 11-17-2011 |
| 20120079895 | DEVICE AND METHOD FOR GENERATING AND/OR ARRANGING SEQUENCES OF ONE OR MORE FLUID SAMPLES IN A CARRIER FLUID - The invention relates to a device for generating and/or arranging sequences of a fluid sample in a carrier fluid. The invention comprises a microchannel having an inlet, an outlet and a nozzle opening therebetween leading into the microchannel. The invention further relates to a delivery unit, which pumps in the carrier fluid using a feed volume flow and suctions off the carrier fluid using a discharge volume flow. In a sample container, the nozzle opening is in contact with the fluid sample. By means of a control unit, the ratio between feed volume flow and discharge volume flow is varied. The cross-section of the nozzle opening is selected such that no carrier medium exits from the nozzle opening when the feed volume flow equals the discharge volume flow and that a fluid sample enters the nozzle opening when the discharge volume flow is greater than the feed volume flow. The invention further relates to a method for generating and/or arranging sequences of a fluid sample in a carrier fluid. | 04-05-2012 |
| 20120186367 | Pipetting Device with Independently Movable Pipette Units - A pipetting device is described comprising more than one pipetting unit, wherein said pipetting units are independently movable in Y and Z direction and comprise at least one module arranged in a staggered manner compared to the adjacent pipetting unit. | 07-26-2012 |
| 20120318076 | SYSTEM FOR PROCESSING CLOSED SAMPLE TUBES - A system for processing sample tubes comprising biological samples is presented. The system comprises two or more work cells for processing samples. In correspondence to at least two of the work cells, the system comprises one of the following units: a pipetting unit for withdrawing a volume of sample from a sample tube to be processed by the work cell and/or dispensing a volume of liquid into the sample tube, and an analytical unit for determining at least one sample parameter of a sample contained in a sample tube. The system further comprises a decapping/recapping device for each of the at least two work cells for removing a closure from a sample tube and for reclosing the sample tube before it is transported to another work cell. | 12-20-2012 |
| 20130055829 | Method of Sampling Specimen, Test Method and Dropping Pipette and Specimen Sampler to be Used Therein - A method for taking a sample includes drawing blood into a vacuum blood collection tube and transferring at least part of the blood from the vacuum blood collection tube to a sample storage space of a dropper. The vacuum blood collection tube includes a sample storage portion and a stopper sealing the sample storage portion, and the drawing is performed by stabbing a hollow needle into the stopper. The dropper includes and internal space at least part of which is the sample storage space for storing a sample and which includes a volume changeable space defined, by an elastically deformable portion having flexibility. The dropper further includes an insertion portion including a through-hole connected to the internal space, and the transfer of the sample is performed by inserting the insertion portion into a through- formed in the stopper by the stabbing of the hollow needle into the stopper. | 03-07-2013 |
| 20130233096 | PIPETTING DEVICE HAVING A LINEAR MOTOR - The invention relates to a pipetting device, comprising at least two pipetting channels ( | 09-12-2013 |
| 20130312546 | TEST CHIP AND TEST CHIP UNIT INCORPORATED WITH TEST CHIP - The present invention is characterized in being provided with a chip main body, which is provided with a flow channel having the end portion thereof opened in the surface, and a sheet-like sealing member, which brings the inside of the flow channel into a hermetically closed state by covering at least the opening in the surface of the chip main body. The present invention is also characterized in that in the sealing member, a plurality of sheets are laminated, said sheets including a first sheet, which has ductility and elasticity such that the first sheet can be penetrated by means of a nozzle member, and a second sheet having ductility lower than that of the first sheet, the sheets adjacent to each other are bonded with an adhesive agent or a cohesive agent, and that the second sheet is positioned further toward the chip main body side than the first sheet. | 11-28-2013 |
| 20140260698 | Transparent Liquid Suction Measuring Device - A transparent liquid suction measuring device comprises a conduit portion, a main body, and a suction generating portion. Liquid can be sucked into the main body via the conduit portion. The main body comprises a chamber to accommodate the liquid. The chamber has many inward projecting elements, a corresponding area, and many outward projecting elements. The inward projecting elements occupy an inward projecting volume that is compensated by an outward projecting volume formed by the outward projecting elements. So, an accommodating volume of the chamber is constantly maintained. When the inward projecting elements are visually observing from a corresponding area through the chamber, magnifying effect is generated. These outward projecting elements can be observed to acquire the liquid volume. Therefore, the advantages includes magnifying scales through liquid lens effects, having a compensation design to maintain measuring accuracy, and having a rough structure to make scales much visually obvious. | 09-18-2014 |
| 20140260699 | VISION-GUIDED ASPIRATION APPARATUS AND METHODS - A method for removing supernatant from a sample tube. The method includes providing a sample tube having a pellet at a bottom of the sample tube and a supernatant liquid above the pellet, visually inspecting the sample tube to determine one or more geometric properties of the pellet, and determining an expected height of a top surface of the pellet based on the one or more geometric properties determined in the visual inspection step. The method also includes inserting an aspirator into the supernatant liquid, moving the aspirator downwards towards the expected height of the top surface of the pellet, and aspirating the supernatant liquid through the aspirator. | 09-18-2014 |
| 20150309064 | DEVICE FOR AUTOMATIC SAMPLING - Device for automatic sampling of samples for sample preparation or sample introduction for an analytical apparatus, in particular a chromatograph, with a movable holding arm for exchangeably holding at least one sampler, and with sample containers, from each of which a sample can be taken by means of a sampler that can be moved up and down, wherein, for taking up a sample of granular material, the sampler comprises a cannula as a filling space, in which a cannula plunger is displaceably arranged for opening and emptying the filling space of the cannula that is to be filled with a sample, and the cannula comprises a free lower end which, in order to introduce granular material into the filling space of the cannula, is repeatedly pushed against the bottom of the respective sample container, containing a quantity of granular material, using a predetermined pressure, which can be set by means of a pressure limiter associated with the sampler or with the sample container. | 10-29-2015 |
| 20150352543 | Flow Control Apparatus for Sample Fluids - A flow control apparatus for facilitating treatment of a fluid containing a sample for analysis, includes: a body having spaced ends and defining a fluid flow passage arrangement that extends between the ends. The fluid flow passage arrangement includes two flow paths that are configured in parallel, merge within the body at least once, and respectively contain a one-way check valve and a medium selected to treat or modify sample-containing fluid flowing therethrough. | 12-10-2015 |
| 20160045913 | METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR VERIFYING DISPENSING OF A FLUID FROM A PIPETTE - This invention relates to methods, systems, and computer program products for verifying dispensing of a fluid from a pipette. | 02-18-2016 |
| 20160054345 | PIPETTING SYSTEM - The present invention provides a pipette assembly and a liquid handling element employing such a pipette assembly for filling containers. The pipette assembly comprises a biasing member that prevents the containers from being displaced vertically upon withdrawal of the pipette assembly from the containers. | 02-25-2016 |
| 20160067704 | PIPETTE FOR VOLUMETRICALLY METERING POWDER - A pipette for volumetrically metering powder includes an outer metering casing enclosing a metering chamber. The metering casing defines a free end of the pipette whereat the metering casing forms an opening. The metering chamber has an opposite end lying opposite to the free end of the pipette and the opposite end of the metering chamber is delimited by an air-permeable retaining element. The retaining element is configured as a flexible filter defining a plane and having a back side facing away from the metering chamber. An air-permeable support core supports the filter at the back side thereof and is rigid transversely to the plane of the filter. | 03-10-2016 |
| 20160067705 | PIPETTE DEVICE HAVING A MICRO-DOSING UNIT - A pipette device having a pipette unit ( | 03-10-2016 |
| 073864130 | Piston within pipette | 14 |
| 20090064801 | MULTI-CHANNEL PIPETTE INCLUDING A PISTON HOLDER WITH GUIDANCE - A device for use in a multi-channel pipetting system is provided. The device includes a body, a plurality of modules mounted to the body, a plurality of pistons mounted to a piston holder for simultaneous movement of the plurality of pistons in a first direction, and a guidance assembly. Each module includes an orifice connecting to an intake chamber. A piston extends into the intake chamber for movement in the first direction. The guidance assembly includes a first rotating element, a second rotating element, a shaft connecting the first rotating element to the second rotating element, and a first track and a second track extending parallel to the first direction. The shaft extends in a second direction orthogonal to the first direction. The first rotating element is mounted to roll along the first track, and the second rotating element is mounted to roll along the second track simultaneously with the plurality of pistons. | 03-12-2009 |
| 20090071266 | ELECTRONIC PIPETTOR ASSEMBLY - A hand-held electronic pipettor is designed particularly to be programmed and operated with one hand for the convenience of the user. It uses a capacitance touchpad control for programming, and a separate run button for the operating mode. Internal components are located so that the center of gravity of the pipettor is located within the palm of the user. Flash memory stores an empirically derived table that correlates aspiration volume to motor steps and a separate empirically derived table the correlates dispensing volumes to motor steps. | 03-19-2009 |
| 20090277285 | Pipetting Apparatus for Aspiration and Dispensation of a Metering Fluid - For aspiration and dispensation of a metering fluid, a pipetting apparatus comprises a work fluid which differs from the former, the work fluid being accommodated in a work space with a variable volume which extends along a channel axis and, with reference to the latter, is formed by a piston-cylinder system at least along an axial section of the channel axis, having a cylinder which delimits the work space along a cylinder section in the radial direction and a piston which delimits the work space in a first axial direction, the cylinder and the piston being arranged so that they can move with respect to each other such that the piston-cylinder system has an axial longitudinal end region for metering, which is open for aspiration and dispensation, and an axial longitudinal end region for work which is closed by the piston, the piston being designed as an outer piston and surrounding the cylinder on the outside in the longitudinal end region for work of the piston-cylinder system. | 11-12-2009 |
| 20100132486 | PIPETTE PROVIDING SAMPLING VIA BACK-AND-FORTH MOVEMENT OF THE PISTON - A pipette is provided. The pipette includes a body, a piston, and a valve. The body includes a nozzle, a first chamber, a second chamber, and a channel formed in the nozzle. The first chamber is isolated from the second chamber, and the channel is isolated from the first chamber and the second chamber. The piston is mounted to slide within the first chamber and the second chamber so that movement of the piston simultaneously increases a first volume of the first chamber and decreases a second volume of the second chamber. The valve is in communication with the first chamber, the second chamber, the channel, and an exterior of the body to selectively provide a communication between the first chamber and the channel, between the second chamber and the channel, between the first chamber and the exterior of the body, and between the second chamber and the exterior of the body. | 06-03-2010 |
| 20110072916 | Metering Apparatus Having a Metering Pipette - An improved metering apparatus includes a metering pipette ( | 03-31-2011 |
| 20110214518 | ELECTRONIC PISTON STROKE PIPETTE - The invention relates to a functional part of an electronic piston stroke pipette with an operating environment adapted to manual piston stroke pipettes. | 09-08-2011 |
| 20110232397 | AUTOMATED ANALYSIS DEVICE WITH AN AUTOMATIC PIPETTING DEVICE AND WITH TWO PUMPING UNITS OF DIFFERENT CAPACITIES - The invention relates to an automatic pipetting device, which comprises at least two pumping units of different capacities and a liquid line, said liquid line opening on one side into a rinsing liquid reservoir and on the other side into a pipetting needle. In order for one pumping unit to be able to execute a pipetting cycle with small volumes at high stroke resolution and the other pumping unit to be able to execute a rinse cycle with large volumes, and to make the pumping units as space-saving, as low-maintenance and as inexpensive as possible, it is proposed according to the invention to drive the pistons of the at least two pumping units synchronously by a piston drive device and to arrange the point at which the largest working chamber is connected to the liquid line closer to the rinsing liquid reservoir than the point at which the working chamber of the at least one other pumping unit is connected to the liquid line, wherein moreover a 3-way valve is arranged on the liquid line at the point at which the largest working chamber is connected to the liquid line. | 09-29-2011 |
| 20120291567 | ELECTRONIC PIPETTE WITH TWO-AXIS CONTROLLER - A handheld electronic pipette including several features aimed at improving ease of use, including a color dot matrix display, an intuitive thumb-operated two-axis controller, and multifunction soft buttons adjacent to the display. A simple and consistent user interface facilitates easy access to various modes of operation, including a manual pipetting mode and a remote mode. | 11-22-2012 |
| 20130061694 | PIPETTE - Provided is a pipette, including: a cylinder ( | 03-14-2013 |
| 20130291660 | Pipette - A pipette for use with pipette tips in which a set metering volume is secured in that the locking body is arranged on the circumference of the annular cylindrical locking element when it is in the locking position. Through this, the transmission part which the locking element comprises on the outer circumference is held fast. The annular cylindrical locking element can be formed separately from a toothed ring for driving a counter mechanism. Thus, it is possible to perform the locking in arbitrary positions or in more selectable rotational positions than in the conventional locking equipment, where a locking element engages into the toothed ring for driving the counter mechanism. | 11-07-2013 |
| 20130319139 | Pipette for operating a syringe - Pipette for operating a syringe with a bar-shaped housing, a fixture with an opening at the lower end of the housing for putting in a syringe with a fastening portion on the upper edge of a cylinder, a fixture body with a further fixture and a further opening on the lower end of the housing, for putting in a further fastening portion of a piston of the syringe, means for detachably holding the fastening portion in the fixture and the further fastening portion in the further fixture, means for displacing the fixture body within the housing in the longitudinal direction of the housing, which have a draw-up lever activated from the outside of the housing, which is connected to the fixture body via a connection element which grips through a straight slit extending in the longitudinal direction of the housing, wherein below the slit in the housing, a cover stripe covering the slit is held in the housing at two positions spaced apart from each other in the longitudinal direction of the slit, and wherein the connection element has a channel through which the cover stripe extends. | 12-05-2013 |
| 20140298925 | POSITIVE DISPLACEMENT PIPETTE HAVING AN IMPROVED EJECTION FUNCTION - The invention relates to a positive displacement sampling pipette ( | 10-09-2014 |
| 20140318279 | Syringe, syringe family and metering device - Syringe for use with a metering device comprising a centring element with an axial through-passage in a receiver for a syringe cylinder and an axially displaceable piston receiver for a syringe piston, comprising
| 10-30-2014 |
| 20160199830 | Manual Pipette with Selectable Plunger Force | 07-14-2016 |
| 073864140 | With particular connection or release means | 14 |
| 20080257074 | Sample Movement Control Unit, Sample Movement Parameters Acquisition Method, and Sample Movement Control Method - There is provided a device and a method capable of simply manipulating a sample, without the need for an expensive device. | 10-23-2008 |
| 20080264187 | AUTOMATED PIPETTE MACHINE - A pipette nozzle is provided for use on a movable arm on an automated pipette machine. The pipette nozzle includes a body defining a passage therethrough. At least two seating surfaces are provided on the body, including a first seating surface and a second seating surface. The first seating surface is configured to receive and sealingly mate with a first size of pipette tip in a manner such that the first end of the passage is in fluid communication with the first size of pipette tip. The second seating surface is configured to receive and sealingly mate with a second size of pipette tip in a manner such that the first end of the passage is in fluid communication with the second size of pipette tip. There is also provided an automated pipette machine which includes a tip ejector system including an arm that is movable between a first position and a second position, wherein in the first position the arm is positioned to engage the tip during movement of the nozzle along a selected path and to prevent movement of the tip along the selected path while permitting the nozzle to move along the selected path, so that the movement of the nozzle along the selected path causes the nozzle and the tip to disengage from each other, and wherein in the second position the arm is positioned to avoid engagement with the tip during movement of the nozzle. There is also provided an apparatus for use on an automated pipette machine for transmitting pressure changes produced by a pump on the machine to a pipette nozzle. The apparatus comprises a housing defining a chamber a first conduit and a second conduit. The first conduit extends into the chamber and has a first opening positioned in the chamber. The first conduit is fluidically connectible to the nozzle. The second conduit extends into the chamber and has a first opening positioned in the chamber. The second conduit is fluidically connectible to the pump. The first opening of the first conduit is positioned above the first opening of the second conduit. The chamber defines at least a selected volume between the height of the first opening of the first conduit and the height of the first opening of the second conduit. | 10-30-2008 |
| 20080295618 | AUTOMATED PIPETTE MACHINE - A pipette nozzle is provided for use on a movable arm on an automated pipette machine. The pipette nozzle includes a body defining a passage therethrough. At least two seating surfaces are provided on the body, including a first seating surface and a second seating surface. The first seating surface is configured to receive and sealingly mate with a first size of pipette tip in a manner such that the first end of the passage is in fluid communication with the first size of pipette tip. The second seating surface is configured to receive and sealingly mate with a second size of pipette tip in a manner such that the first end of the passage is in fluid communication with the second size of pipette tip. There is also provided an automated pipette machine which includes a tip ejector system including an arm that is movable between a first position and a second position, wherein in the first position the arm is positioned to engage the tip during movement of the nozzle along a selected path and to prevent movement of the tip along the selected path while permitting the nozzle to move along the selected path, so that the movement of the nozzle along the selected path causes the nozzle and the tip to disengage from each other, and wherein in the second position the arm is positioned to avoid engagement with the tip during movement of the nozzle. There is also provided an apparatus for use on an automated pipette machine for transmitting pressure changes produced by a pump on the machine to a pipette nozzle. The apparatus comprises a housing defining a chamber a first conduit and a second conduit. The first conduit extends into the chamber and has a first opening positioned in the chamber. The first conduit is fluidically connectible to the nozzle. The second conduit extends into the chamber and has a first opening positioned in the chamber. The second conduit is fluidically connectible to the pump. The first opening of the first conduit is positioned above the first opening of the second conduit. The chamber defines at least a selected volume between the height of the first opening of the first conduit and the height of the first opening of the second conduit. | 12-04-2008 |
| 20090007702 | APPARATUS AND METHOD FOR USING A TIP COLLAR ON PIPETTE TIPS PROVIDING STRUCTURAL RIGIDITY - The present invention relates to an apparatus for lumping together a plurality of pipette tips using a collar that will provide structural rigidity to the loose plurality of pipette tips; and the method of incorporating such an apparatus. Such rigidity created by the collar apparatus will allow for an innovative method of connecting the plurality of pipette tips to their respective pipettors that will reduce the amount of downward axial force required to impinge a plurality of pipette tips using the traditional connection method. | 01-08-2009 |
| 20090007703 | AUTOMATED PIPETTE MACHINE - A pipette nozzle is provided for use on a movable arm on an automated pipette machine. The pipette nozzle includes a body defining a passage therethrough. At least two seating surfaces are provided on the body, including a first seating surface and a second seating surface. The first seating surface is configured to receive and sealingly mate with a first size of pipette tip in a manner such that the first end of the passage is in fluid communication with the first size of pipette tip. The second seating surface is configured to receive and sealingly mate with a second size of pipette tip in a manner such that the first end of the passage is in fluid communication with the second size of pipette tip. There is also provided an automated pipette machine which includes a tip ejector system including an arm that is movable between a first position and a second position, wherein in the first position the arm is positioned to engage the tip during movement of the nozzle along a selected path and to prevent movement of the tip along the selected path while permitting the nozzle to move along the selected path, so that the movement of the nozzle along the selected path causes the nozzle and the tip to disengage from each other, and wherein in the second position the arm is positioned to avoid engagement with the tip during movement of the nozzle. There is also provided an apparatus for use on an automated pipette machine for transmitting pressure changes produced by a pump on the machine to a pipette nozzle. The apparatus comprises a housing defining a chamber a first conduit and a second conduit. The first conduit extends into the chamber and has a first opening positioned in the chamber. The first conduit is fluidically connectible to the nozzle. The second conduit extends into the chamber and has a first opening positioned in the chamber. The second conduit is fluidically connectible to the pump. The first opening of the first conduit is positioned above the first opening of the second conduit. The chamber defines at least a selected volume between the height of the first opening of the first conduit and the height of the first opening of the second conduit. | 01-08-2009 |
| 20090071267 | PIPETTE TIP EJECTION MECHANISM - An ejection mechanism for a hand-held pipettor provides for varying degrees of mechanical advantage along the stroke of the ejector button. The ejection mechanism can be used for either hand-held single channel pipettors or hand-held multi-channel pipettors having manually actuated ejection mechanisms. | 03-19-2009 |
| 20090158862 | SAMPLING PROBE, GRIPPER AND INTERFACE FOR LABORATORY SAMPLE MANAGEMENT SYSTEMS - A self-contained sampling probe characterized by a drive module and a syringe module removably coupled coaxially to the drive module to allow for different syringe modules to be interchangeably coupled to the drive module. The coupling is effected by quick connect and disconnect devices, and the syringe module may carry an identifier. The probe is engageable by a gripper or insertable in an interface device, both of which provide for communication of the probe with other system components. The probe has a dimension that is 8 mm or less in at least one projection coincident with an aspirate/dispense axis of the probe | 06-25-2009 |
| 20090183580 | Grease Sampling Kit, Grease Sampling Devices Made from the Kit, and Related Methods - A kit of component parts for forming at least first and second grease sampling devices includes a number of housings, piston bodies, and piston shafts. A first grease sampling device has a piston movable in the barrel and vent holes that resists the buildup of back pressure when the device is filled with a grease sample. A second grease sampling device includes a push rod extending from the piston that enables a representative grease sample to be obtained from a bearing, gear or other lubricated part that is not easily accessible. | 07-23-2009 |
| 20100132487 | PIPETTING DEVICE, MODULAR PIPETTING UNIT, PIPETTING SYSTEM AND METHOD FOR PIPETTING OF FLUID SAMPLES - A pipetting device having a modular pipetting unit including a pipetting tip for pipetting of fluid samples and a pump conduit for transferring a negative or positive pressure to the pipetting tip is disclosed. The pipetting tip and a portion of the pump conduit adjoining the pipetting tip mutually define a fluid sample conduit for receiving the fluid samples. The modular pipetting unit is detachably attached to an automated positioning device for positioning the modular pipetting unit. A system and method for pipetting of fluid samples using such a pipetting device are also disclosed wherein pipetting of the fluid samples is performed in such a manner that each pipetted fluid sample volume is smaller than a volume of the fluid sample conduit. | 06-03-2010 |
| 20110167933 | SUCTION DEVICE - This invention relates to plunger operated liquid dispensers, such as hand held pipettors, which are used to portion liquids. Specifically the invention relates to a reliable removal of a liquid from the liquid dispenser. According to the invention the plunger of the liquid dispenser is arranged into a speeded up movement while removing the liquid. This change in speed is preferably sudden. | 07-14-2011 |
| 20120055269 | SAMPLING PROBE, GRIPPER AND INTERFACE FOR LABORATORY SAMPLE MANAGEMENT SYSTEMS - A self-contained sampling probe characterized by a drive module and a syringe module removably coupled coaxially to the drive module to allow for different syringe modules to be interchangeably coupled to the drive module. The coupling is effected by quick connect and disconnect devices, and the syringe module may carry an identifier. The probe is engageable by a gripper or insertable in an interface device, both of which provide for communication of the probe with other system components. | 03-08-2012 |
| 20120152039 | EASY-LINK DEVICE FOR FLUID TRANSFER - A transfer device ( | 06-21-2012 |
| 20130199312 | Pipette - A pipette with a displacement unit, a drive unit, means for the detachable connection that detachably connects together the upper housing part and the lower housing part, an ejection device, an end stop, a decoupling device and coupled to the drive device, a lower stop body that upon decoupling of the drive element from the drive device by the decoupling device strikes the actuating end of the ejection extension in order, with further shifting of the actuating element in the actuating direction, to shift downward the ejection extension and the ejection slide. | 08-08-2013 |
| 20220134325 | SUCTION DEVICE FOR PIPETTES - The present invention relates to a suction device ( | 05-05-2022 |
| 073864150 | With valve for connection to external pressure source | 1 |
| 20100263459 | HAND-HELD PIPETTING DEVICE - The invention relates to a hand-held pipetting device ( | 10-21-2010 |
| 073864160 | Piston and cylinder | 12 |
| 20090120213 | Method for selecting a pipette tip and a device for implementation - This invention relates to a method for selecting a plunger-cylinder tip of a pipette and a device for carrying out the method. In the method, the dose size is entered into the control electronics of the pipetting device; the dose size is stored in the control electronics; the amount of doses is entered; and on the basis of the dose size and the amount of doses, the control electronics indicates suitable available interchangeable components on the display. | 05-14-2009 |
| 20100199789 | HYBRID MANUAL-ELECTRONIC PIPETTE - A hybrid manual-electronic pipette combines a manually driven piston with real-time electronic measurement of liquid volume and piston displacement while compensating for both pipette-specific and pipette model-specific variations. The hybrid nature of the pipette facilitates increased accuracy and improved ease of use, and enables additional functionalities not practicable with traditional manual pipettes. | 08-12-2010 |
| 20120017704 | PIPETTE DEVICE HAVING A THROTTLE POINT IN THE PIPETTE DUCT - Pipette device ( | 01-26-2012 |
| 20120255378 | DISPENSER - The dispenser includes a dispensing head extending downward from a cylinder body section with a cylindrical inner space and having a dispensing cylinder with the diameter smaller than that of the inner space of the cylinder body section; a piston capable of being inserted from the inner space of the cylinder body section into the dispensing cylinder section and moving up and down between a dispensing start position located in an upper portion of the dispensing cylinder section and a dispensing end position in a lower portion of the dispensing cylinder section; and a sucking mechanism sucking a liquid from a dripping port at a tip of the dispensing cylinder section up to a position above the dispensing start position inside the inner space of the cylinder body section. The piston is always at the dispensing start position under a liquid surface whenever the dispensing operation is started. | 10-11-2012 |
| 20140137672 | PISTON-OPERATED PIPETTE WITH INTERCHANGEABLE DISPLACEMENT UNIT - A piston-operated pipette with a drive unit with a piston drive and a displacement unit mounted on the drive unit, the displacement unit being dismountable from the drive unit, the drive unit having an actuating drive for the piston drive and a receiving section for the displacement unit. The displacement unit has a fastening section which fits the receiving section of the drive unit, there being a first detachable mechanical connection between the actuating drive and the piston drive and there being a second detachable mechanical connection between the receiving section of the drive unit and the fastening section of the displacement unit. The second detachable mechanical connection is made as a magnetic connection. A mechanical arrangement for breaking the magnetic connection is provided between the receiving section and the fastening section, the magnetic connection being releasable by actuating the arrangement for breaking the magnetic connection. | 05-22-2014 |
| 20140331794 | Electronic Pipette - An electronic pipette comprising a piston actuated in a cylinder by a motor, a control system for carrying out pipette operations, and a user interface for operating the pipette, wherein the user interface comprises features for defining at least one dilution variable for pipetting operations based on input pipetting operation variables of which one is dilution ratio. | 11-13-2014 |
| 20150013476 | Electronic Pipette - An electronic pipette comprising a piston actuated in a cylinder by a motor, a control system for carrying out pipette operations, and a user interface for operating the pipette, wherein the user interface comprises at least one touch screen for operating the pipetting operations of the pipette, which touch screen comprises at least one touching or pressing area for operating the pipetting operations of the pipette. The invention also relates to a method for operating an electronic pipette and a use of a touch screen as a part of a user interface of an electronic pipette for operating the pipetting operations of the pipette. | 01-15-2015 |
| 073864170 | Plural | 1 |
| 20110088493 | Syringe, syringe family and metering device - Syringe for use with a metering device comprising a centring element with an axial through-passage in a receiver for a syringe cylinder and an axially displaceable piston receiver for a syringe piston, comprising
| 04-21-2011 |
| 073864180 | Plural or adjustable limit stops | 4 |
| 20080210023 | Electronic Pipette - The invention relates to an electronic pipette comprising a piston actuated by a motor, a control system, a user interface ( | 09-04-2008 |
| 20090000402 | Hybrid manual-electronic pipette - A hybrid manual-electronic pipette combines a manually driven piston with real-time electronic measurement of liquid volume and piston displacement while compensating for both pipette-specific and pipette model-specific variations. The hybrid nature of the pipette facilitates increased accuracy and improved ease of use, and enables additional functionalities not practicable with traditional manual pipettes. | 01-01-2009 |
| 20090000403 | Hybrid manual-electronic pipette - A hybrid manual-electronic pipette combines a manually driven piston with real-time electronic measurement of liquid volume and piston displacement while compensating for both pipette-specific and pipette model-specific variations. The hybrid nature of the pipette facilitates increased accuracy and improved ease of use, and enables additional functionalities not practicable with traditional manual pipettes. | 01-01-2009 |
| 20100083775 | PIPETTING DEVICE - The present invention is related to a pipetting device with means for detachably connecting with at least one pipette tip, at least one displacement device, a driving device for driving a displacement member of the displacement device and an adjustment device with a lead screw nut and a lead screw for adjusting the metering volume. | 04-08-2010 |
