Class / Patent application number | Description | Number of patent applications / Date published |
422509000 | Automated system | 54 |
20110081281 | VALVE-MANIFOLD LABORATORY GLASSWARE FOR CHEMICAL LABORATORY AUTOMATION AND OTHER APPLICATION - An article of laboratory glassware for directing the flow of chemical materials is described. The article includes a glass manifold having a plurality of input ports and at least one output port, and a plurality of stopcocks. Each stopcock has an inlet port and an outlet port connected by a passageway through the plug. Each of the stopcock output ports is connected to one of the manifold input ports, and each of the stopcock input ports is connected with one end of a hollow glass tube, and the other end of the hollow glass tube is connected to a female ground glass joint. The output ports of the manifold are terminated to a male ground glass joint. Each plug is rotated by an electrical motor or a servo, and sensed by a sensor. The rotation of each rotating plug is controlled by a computer. | 04-07-2011 |
20110243814 | DEVICE FOR DISPENSING A PRODUCT IN A PETRI DISH - The disclosure relates to a device for dispensing a prescribed product in a Petri dish, the device comprising pistons, a transfer member with lid-bearing openings and a dish bottom, and a dispensor. According to the disclosure, the transfer member is a shuttle capable of translation relative to the base according to a direct reciprocating movement of the bearing openings between either of first and second stop positions, the dispensor being arranged so as to dispense the product above the inner opening and under the upper opening at the bottom of the dish when the openings are in a position selected from the first and second stop positions. | 10-06-2011 |
20110300035 | AUTOANALYZER AND PIPETTING NOZZLE FOR AUTOANALYZER - There is provided a highly reliable autoanalyzer less liable to sample and reagent carry-over and capable of preventing contamination and precisely pipetting samples and reagents. Using a sample pipetting nozzle | 12-08-2011 |
20110311408 | REAGENT DISPENSING APPARATUS - A reagent dispensing apparatus for loading reagents into a microfluidic device having a digital memory for data related to the reagents loaded into the microfluidic device, the reagent dispensing apparatus having a plurality of reagent vials each of the vials having an integrated circuit with memory storing data regarding the reagent in the vial, and a droplet dispenser, a mounting surface for detachably mounting the microfluidic device for movement relative to the vials, and, a control processor for operative control of the vials and the mounting surface, wherein, the control processor is configured to activate the droplet dispenser of the vial selected, move the vial into registration with the microfluidic device and download the data from the integrated circuit to the digital memory of the microfluidic device. | 12-22-2011 |
20110311409 | REAGENT DISPENSING APPARATUS WITH AUTOMATIC COLLECTION AND STORAGE OF REAGENT DATA - A reagent dispensing apparatus for loading reagents into a microfluidic device having a digital memory for data related to the reagents loaded into the microfluidic device, the reagent dispensing apparatus having a plurality of reagent vials each of the vials having an integrated circuit with memory storing data regarding the reagent in the vial, and a droplet dispenser, a mounting surface for detachably mounting the microfluidic device for movement relative to the vials, and, a control processor for operative control of the vials and the mounting surface, wherein, the control processor is configured to automatically interrogate each of the integrated circuits to collect and store the data regarding the reagents in each of the vials. | 12-22-2011 |
20110311410 | Programmable Multi-Channel Pipettor with Repositionable Tips - A hand-held, multi-channel pipettor has an electronically controlled motor to reposition pipette tips for different center to center spacing. Each repositionable tip fitting assembly has a cam following pin that is driven by cam tracks in a motor driven roller drum. Stationary ports for the multiple aspiration cylinders are strategically placed to simplify management of flexible tubes leading to the repositionable pipette tip fitting assemblies. The pipettor has a user interface that can be operated conveniently by one hand to reposition pipette tips. It has a pipette tip ejection mechanism with a sinusoidal stripper bar. | 12-22-2011 |
20110318243 | SAMPLING DEVICE - An in situ sampling device for capturing a material sample from a vessel. Embodiments of the present invention may be disposed as elongate probes having extendable sample capture elements. A sample capture element of such a device may include a concave sample capture pocket located near a distal end thereof. The sample capture pocket is adapted to capture a known volume of material when the sample capture element is extended into said material. The material sample remains trapped in the sample capture pocket upon sample capture element retraction. The sample capture pocket may be provided with a port for receiving material therein and a port for expelling material therefrom. These ports may be placed in communication with corresponding material transfer channels extending through the sample capture element. A device of the present invention provides for substantially contemporaneous sample capture and sample processing. | 12-29-2011 |
20120039771 | AUTOMATIC ANALYZER AND SAMPLE TREATMENT APPARATUS - A sample treatment apparatus is designed to directly monitor a pressure signal from a pressure sensor to examine pressure fluctuations resulting from a sample's sway before a discharge of the sample, so that the discharge is performed after the confirmation of the absence of pressure changes. The apparatus has a detection function that allows a discharge to be started even before a pressure fluctuation vanishes completely, by allowing the operator to set a desired number of pressure monitorings, monitoring time, or pressure amplitude. The detection function also allows an alarm to be raised when a pressure fluctuation has not fallen within a given range. The sample treatment apparatus therefore allows discharge of more accurate amounts of samples. | 02-16-2012 |
20130017127 | DISPENSING APPARATUSAANM TOKUMARU; TomoyoshiAACI Gunma-kenAACO JPAAGP TOKUMARU; Tomoyoshi Gunma-ken JP - A dispensing apparatus includes: a dish mounting portion having a mounting surface mounted with a dish having a bottom surface and a side surface surrounding the bottom surface; a syringe, arranged above the dish mounting portion, having a nozzle configured to discharge liquid toward an interior of the dish; and a first driving portion configured to change the syringe in direction with respect to a first axis as a center, wherein the first axis is orthogonal to a normal to the mounting surface of the dish mounting portion. | 01-17-2013 |
20130017128 | INTEGRATED ROBOTIC SAMPLE TRANSFER DEVICE - Embodiments include integrated robotic sample transfer devices and components thereof which are used for reliably and accurately transferring small samples of material from one registered position to another registered position. Such transfers of material may be carried out by a single pin tool or an array of pin tools of a pin tool head assembly of robotic sample transfer devices. Some embodiments also include automated cleaning of the pin tools used to transfer the sample material. Some embodiments are fully integrated units having internal fluid supply and waste tanks, vacuum source, fluid pumps, controllers and user interface devices. | 01-17-2013 |
20130045145 | CONTAMINATION CONTROL FOR LIQUID HANDLING - A structure for holding sample-containing receptacles includes a cover with holes formed therein through which the receptacles can be accessed with a substance transfer mechanism, such as a robotic pipettor. When the transfer mechanism is inserted into and then withdrawn from a receptacle, a string of viscous material may be suspended from the mechanism. A viscous string removal element adjacent each opening engages the string of viscous material and dislodges the string from the mechanism when the mechanism moves in a prescribed path with respect to the removal element. A sample rack configured to hold receptacles and to be inserted into the structure below the cover includes a sample rack having receptacle-receiving pockets, each with a resilient element and a positioning feature for holding receptacles of varying sizes in a predetermined position within the receptacle receiving pocket, and a cover including features for preventing a receptacle from being pulled out of its receptacle-receiving pocket when the transfer mechanism is withdrawn from the receptacle. | 02-21-2013 |
20130064737 | AUTOMATIC ANALYZER - Disclosed is an automatic analyzer designed so that when it discharges a sample into an empty reaction vessel, the analyzer dispenses the sample without bringing a distal end of a sample probe into contact with a bottom surface of the reaction vessel and can thereby dispense the sample with stable dispensing accuracy in addition to extending lives of the sample probe and the reaction vessel. | 03-14-2013 |
20130108521 | DISCHARGE DEVICE AND LIQUID DISPENSING DEVICE, AND METHOD FOR DISPENSING LIQUID | 05-02-2013 |
20130171042 | ISOTHERMAL TITRATION MICROCALORIMETER APPARATUS AND METHOD OF USE - An automatic pipette assembly for an isothermal titration micro calorimetry system, comprising a pipette housing, a syringe with a titration needle arranged to be inserted into a sample cell for supplying titrant, and a linear activator for driving a plunger in the syringe, the titration needle is rotatable with respect to the housing and is provided with a stirring paddle arranged to stir fluid in the sample cell, wherein the automatic pipette assembly comprises a stirring motor for driving the rotation of the titration needle. There is also provided an isothermal titration micro calorimetry system. | 07-04-2013 |
20130280145 | LIQUID HANDLER WITH DUAL PIPETTING GROUPS - An automated liquid handling system is disclosed. A system includes a first pipetting group, which includes at least one pipettor, movably arranged on a first arm; and a second pipetting group, which includes at least one pipettor, movably arranged on a second arm, wherein the first arm and the second arm are movably arranged on at least one track such that the first arm and the second arm can independently move along the at least one track while keeping the first arm parallel with the second arm, wherein the at least one pipettor of the first pipetting group is arranged on a side of the first arm facing the second pipetting group, wherein the at least one pipettor of the second pipetting group is arranged on a side of the second arm facing the first pipetting group. | 10-24-2013 |
20140004020 | STAND FOR USE WITH AFFINITY CAPTURE | 01-02-2014 |
20140030167 | ANALYZER - This invention provides an analyzer that has a liquid dispense pipette dispensing liquids with higher accuracy and precision at higher speeds. The analyzer includes a drive mechanism having a stepping motor as a power source. The drive mechanism transmits power from a rotation output shaft of the stepping motor to a moving unit for executing a target motion via at least one power transmission unit. The amount of idling of the moving unit stemming from the stepping motor getting driven in reverse is calculated from the amount of movement of the moving unit, from the amount of pulses fed to the stepping motor, and from the amount of remaining pulses so as to perform motion control of the drive mechanism accordingly. | 01-30-2014 |
20140030168 | DISPENSING DEVICE AND DISPENSING SYSTEM - A dispensing device includes: a syringe including a nozzle; a first pump configured to generate a pressure to discharge a liquid in the syringe through the nozzle; and a control unit configured to, when discharging the liquid in the syringe, discharge a part of the liquid in the syringe with the pressure generated by the first pump and then cause the liquid in the syringe to run out under its own weight. | 01-30-2014 |
20140134076 | SYSTEM AND METHOD FOR TITRATING LIQUIDS - A system for titrating liquids, with a syringe or tip, comprising a holding device and at least one tag and a metering equipment, comprising an additional holding device for holding the syringe or tip on the holding device, a reading device for reading the tag of the syringe or tip held by the additional holding device, a driving device having a motor, which is detachably coupled with a plunger of the syringe when the same is held by the additional holding device, or which is coupled with a plunger which is arranged in a cylinder which is coupled with the tip via a fluid conduit, when the same is held by the additional holding device, an operating device for operating the metering equipment and a control device, connected with the operating device, the reading device and the driving device, which controls the movement of the plunger depending of the tag of the inserted syringe or tip. | 05-15-2014 |
20140147348 | CHEMICAL ANALYSIS APPARATUS AND CHEMICAL ANALYSIS METHOD - Chemical analysis apparatus for inserting a sample serving as an analyzable substance and a reagent into a reaction container and agitating by irradiating sound waves to the reaction container, the chemical analysis apparatus including: a piezoelectric element generating sound waves; and a driver for driving the piezoelectric element, and including: a wave form producing device for producing an oscillation waveform having a fundamental frequency of the sound waves to be irradiated; an auxiliary waveform producing device for producing an oscillation wave form having a frequency lower than that of the oscillation waveform; a multiplying circuit creating a multiplied waveform between the waveform and the wave form; and, a power amplifier for power-amplifying the multiplied waveform, wherein it is intermittently irradiated with the sound wave in the reaction container, and further, the wave form producing device has a function capable of frequency-modulation with a prescribed frequency width. | 05-29-2014 |
20140154151 | AUTOMATED DEVELOPER FOR IMMUNO-STAINED BIOLOGICAL SAMPLES - Disclosed herein are systems and methods for the developing of immuno-stained biological samples. The systems disclosed herein are automated and are configured to control one or more steps of the developing procedure. Reagents may be added using automatic syringe dispensing. Reagent temperature, reagent stirring, and wash procedures are programmable and can be separately controlled for separate immuno-staining procedures that are performed at the same time. | 06-05-2014 |
20140178268 | DEVICE FOR POLYMERIZING LACTAMS IN MOLDS - A device for polymerizing lactams in molds, comprising: a reservoir for storing lactam, wherein said reservoir is kept at a temperature which varies in the range of 135-150° C. for melting the lactam and keeping it in melted state; lactam feeding means comprising dosing pipes for feeding the lactam from the reservoir, first dosing means for feeding an initiator; second dosing means for feeding an activator; a mixing head configured to receive the lactam, the initiator and the activator from respectively said lactam feeding means, said first dosing means and said second dosing means. The initiator and activator are liquid, and the cited reservoir and lactam feeding means are located within a heater configured to maintain the temperature of the lactam at a substantially constant value until it reaches the mixing head. | 06-26-2014 |
20140193312 | POSITIONING DEVICE FOR A SAMPLE CARRIER - The invention relates to an apparatus for positioning a sample carrier plate, wherein the apparatus comprises a main body for receiving the sample carrier plate, positioning stops which are disposed in opposing first corner regions of the main body and are prestressed for clamping the sample carrier plate and mounted displaceably, an actuating device which is disposed at the main body and is equipped such that by actuating the actuating device the positioning stops can be transferred between an operating state engaging the sample carrier plate and an operating state releasing the sample carrier plate, and comprises a force transmitting element which is equipped to transmit an actuating force from the actuating device to the positioning stops. | 07-10-2014 |
20140219887 | APPARATUS AND METHODS FOR PIPETTING WITH INTERCHANGEABILITY AMONG DIFFERENT PIPETTE TIPS - Pipette tips of different sizes may be coupled to a pipettor without needing to modify the pipettor. The same pipettor may thus be utilized to exchange different pipette tips, which may be done in an automated manner. Pipette tips may be coupled to adaptors that include proximal ends for interfacing with the pipettor and distal ends for interfacing with pipette tips. The proximal ends may all have the same geometry, matched with the same pipettor. The distal ends may have different geometries matched with different pipette tips. A pipettor may be part of a liquid handling apparatus and movable in an automated manner to different deck positions. The pipettor may include a locking mechanism for locking adaptors to the pipettor or locking pipette tips directly to the pipettors, and an ejection mechanism for ejecting pipette tips from corresponding adaptors. | 08-07-2014 |
20140271403 | CLOSURE SYSTEM FOR REAGENT VESSEL RECEIVING POSITIONS IN AN AUTOMATIC ANALYSIS APPARATUS - The invention relates to a closure system for a holder for a reaction vessel in an automatic analysis apparatus. The closure system comprises a lid secured movably on a retainer element, wherein the lid closes an opening of the holder in a closed position and opens it in an open position. The closure system further comprises a restoring element, which is designed in such a way that, depending on the position of the lid, it exerts a restoring force in the direction of the closed position or of the open position. | 09-18-2014 |
20140271404 | Valve-Manifold Laboratory Glassware for Chemical Laboratory Automation and Other Applications - An article of laboratory glassware for directing the flow of chemical materials is described. The article includes a glass manifold having a plurality of input ports and at least one output port, and a plurality of stopcocks. Each stopcock has an inlet port and an outlet port connected by a passageway through the plug. Each of the stopcock output ports is connected to one of the manifold input ports, and each of the stopcock input ports is connected with one end of a hollow glass tube, and the other end of the hollow glass tube is connected to a ground glass joint. The output ports of the manifold are terminated to a ground glass joint. Each plug is rotated by a stepper motor or D.C. electrical motor, and sensed by a sensor. The rotation of each rotating plug is controlled by a computer. | 09-18-2014 |
20140322101 | DISPENSING METHOD - A dispensing method which dispenses a first liquid contained in a first vessel which stores the first liquid and a second liquid to introduce the first liquid into a second vessel by using a tube. | 10-30-2014 |
20140334993 | 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, which user interface comprises a display, wherein the main menu of the user interface comprises a user defined shortcut to a specific pipetting application. | 11-13-2014 |
20140348724 | Automated Apparatus and Methods for Dispensing Fluids into Microplates Utilizing Microwell Covers - Automated apparatus and methods for dispensing fluids into microplates utilizing microwell covers, the covers comprising open portions to allow a pipette access to one or more wells and impermeable portions which prevent the fluids from getting into wells shielded by the impermeable portion. The open portions and impermeable portions are preferably arranged and sized to align with alternating rows of wells in a particular microplate. Preferred covers are movably positioned on the microplate. Automated dispensing apparatus for use with microplates and microwell covers comprises a programmable controller, and suitable interfaces which allow the apparatus to be programmed, and which control a dispensing head such that pipettes are moved in the desired manner in order to take advantage of the protective features of the microwell covers. The apparatus also preferably comprises at least one transfer mechanism for moving a cover relative to a microplate at a dispensing station. | 11-27-2014 |
20150017077 | SmartPump Fluid Delivery System - An improved SmartPump Fluid Delivery System is disclosed. In the preferred embodiment of the present invention a system is disclosed for use by pharmaceutical compounders to deliver precise amounts of base material used in transdermal prescriptions. It affords a pharmacist or pharmacy technician the ability to request a desired amount of base material to be delivered accurately and sanitarily to their workstation for processing. By utilizing the current SmartPump Fluid Delivery System a device that provides for the collection, storage, measuring, metering, transportation, and processing of pharmaceutical base material is presented. Further the potential errors, dangers, inaccuracies of compounding base material contamination and processing, and loss of user time associated with the traditional methods, are avoided. | 01-15-2015 |
20150037227 | PIPPETTE AND A NUCLEIC ACID PURIFICATION APPARATUS - The present disclosure includes a nucleic acid purification apparatus and a pipette, the pipette comprises: a tubular body, at least a gas seal ring, a nut, and a shaft. A first opening and second opening arranged at two ends of the tubular body air communicable with the tubular body, thus forming a main chamber. The gas seal ring is disposed in a seal slot arranged proximate to the second opening. The nut is coupled to the second opening and has portions forming a cavity air communicable with the nut and second opening. An opening has a pressing edge. The shaft can movably dispose in the tubular body and the nut. The pressing edge presses against the gas seal ring via the firm coupling of the nut onto the second opening. As a result, individual adjustment can provide the optimum airtightness in nucleic acid purification devices. | 02-05-2015 |
20150056111 | 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. | 02-26-2015 |
20150139867 | LIQUID MEASURING UNIT AND LIQUID SUPPLYING APPARATUS - A liquid measuring unit includes a first capillary tube, a second capillary tube, and a holding portion that holds the first capillary tube and the second capillary tube, wherein a distance between a liquid contact portion of the first capillary tube and the holding portion is longer than a distance between a liquid contact portion of the second capillary tube and the holding portion. | 05-21-2015 |
20150290645 | REAGENT CONTAINER AND AUTOMATIC ANALYSIS APPARATUS - A reagent container used in an automatic analysis apparatus capable of preventing reagent in the reagent container from spattering out of the reagent container even when the reagent container with large capacity is rotated at a high speed and an automatic analysis apparatus using the reagent container are provided. A reagent container | 10-15-2015 |
20150362514 | AUTOMATIC ANALYZER - The dispensing mechanisms dips a dispensing nozzle in a dispensing target contained in a container | 12-17-2015 |
20150369834 | DISPENSING APPARATUS - A dispensing apparatus includes: a dish mounting portion having a mounting surface configured to be mounted with a dish having a bottom surface and a side surface surrounding the bottom surface; a syringe, arranged above the dish mounting portion, having a nozzle configured to discharge liquid toward an interior of the dish; and a first driving portion configured to rotate an inner bottom surface of the dish mounted on the dish mounting portion with respect to a first axis as a center of rotation, wherein the first axis is parallel to the mounting surface of the dish mounting portion. | 12-24-2015 |
20160059229 | PIPETTING SYSTEM WITH IMPROVED CONTROL AND VOLUME ADJUSTMENT - A device for controlling pipetting and adjusting a volume to be sampled, including a pipetting control member rotary actuating means coupled to the control member; a linking member slidably mounted on the actuating means, the linking member being connected to a piston; volume adjusting means; rotary means defining, for the linking member, a spiral-shaped guiding path, the rotary means being coupled to the adjusting means so that their actuation causes a rotation of the means about a second axis which the guiding path centered, this rotation leading to a displacement of the linking member along the path, and to a sliding of the member relative to the actuating means. | 03-03-2016 |
20160074857 | NON-CONTACT MICRO DROPLET DISPENSER AND METHOD - A liquid deposition system comprises a liquid delivery assembly including a dispensing probe having a sidewall including a first end having a liquid port and a second end having a tip, and a flow path opening at the tip and fluidly connected with the liquid port. The system includes a gas injection assembly with a manifold having a gas nozzle, a nozzle opening, and a gas port, the gas nozzle configured to eject a substantially laminar gas stream so that the gas stream travels through a travel path, the tip of the dispensing probe extending into the travel path. The liquid port is fluidly connectable with a liquid source and the gas port is fluidly connectable with a pressurized gas source, so that a liquid micro droplet is formed at the tip. The laminar gas stream separates the micro droplet from the tip and carries it through the travel path. | 03-17-2016 |
20160082430 | PIPETTE DEVICE - To provide an electric pipette in which the impact resistance against the dropping of the electric pipette is elevated, the external breakage of the device and the damage of operation performances are reduced, and the discharging performance of the device is maintained and ensured. An electric pipette 100 including a main casing 1, an operation switch 14, a hand grip 15, a display-operation section 9, a release switch 12 and a finger rest 16, in which at least one shock absorber 201 to 206 disposed on at least one apex of at least one line among a line LF, a line LB, a line LL, a line LR and a line LU, which are prepared by drawing lines between two or more projecting sites in each of a front surface 100F, a back surface 100B, a left side surface 100L, a right side surface 100R and an upper surface 100U. | 03-24-2016 |
20160169926 | DEVICE FOR STORING OF FLUID CONTAINERS | 06-16-2016 |
20190145998 | Device And Method To Sample Liquids With High-Precision In An Automated Sample Analyzer | 05-16-2019 |
422510000 | Including washing means | 1 |
20140186234 | AUTOMATIC ANALYSIS APPARATUS - An automatic analysis apparatus according to an embodiment includes a dispensing probe, a cleaning unit, and a driving mechanism. The dispensing probe performs a dispensing operation for sucking a sample and discharging the sample into a reaction container. The cleaning unit cleans the dispensing probe. The cleaning unit includes a first cleaning position at which the dispensing probe is cleanable using a first cleaning liquid, and a second cleaning position which is located at a position lower than the first cleaning position and at which the dispensing probe is cleanable using a second cleaning liquid. The driving mechanism stops the dispensing probe at at least one of the first cleaning position and the second cleaning position. | 07-03-2014 |
422511000 | Including tip attachment or removal | 12 |
20110268627 | Manually Directed, Multi-Channel Electronic Pipetting System - A manually directed, multi-channel electronic pipetting system is designed to transfer liquids from a standard multi-well plate, deep-well plate or reservoir into another multi-well plate. The preferred pipetting head includes an array of 96-tip fittings. A deck with at least one but preferably two or more wellplate nesting receptacles holds one or more multi-well plates or reagent reservoirs for access by an array of disposable pipette tips mounted to the pipetting head. The electronic motion control system includes a control handle that is mounted to a load cell, the carriage for the pipetting head and is held in the palm of the user. In use, the user grasps the control handle and operates the system in a manner similar to one using a handheld electronic pipettor. | 11-03-2011 |
20110268628 | Unintended Motion Control For Manually Directed Multi-Channel Electronic Pipettor - A manually directed, electronic multi-channel pipettor uses servo controlled motors to drive a carriage and pipetting head in response to a user's manipulation of a control handle. The pipetting head include an array of tip fittings, e.g. | 11-03-2011 |
20120100047 | AUTOMATED LIQUID HANDLING DEVICE - A liquid handling system that is configured to receive an interchangeable pipetting head that is selected from a plurality of interchangeable pipetting heads for automated liquid handling flexibility and scalability. The system includes a housing and at least one pipetting head disposed within that housing for aspirating and dispensing a liquid. A locking mechanism interchangeably receives the at least one pipetting head and includes an adaptor plate and a support block. The adaptor plate is operably coupled to the housing and the support block is operably coupled to the at least one pipetting head. The support block is then, in turn, is configured to be operably coupled to the adaptor plate. | 04-26-2012 |
20120164037 | Multi-Channel Pipettor with Variably Repositionable Tips - A hand-held, multi-channel pipettor has an electronically controlled motor to reposition pipette tips for different center to center spacing. Each repositionable tip fitting assembly has a cam following pin that is driven by cam tracks in a motor driven roller drum. Stationary ports for the multiple aspiration cylinders are strategically placed to simplify management of flexible tubes leading to the repositionable pipette tip fitting assemblies. The pipettor has a user interface that can be operated conveniently by one hand to reposition pipette tips. It has a pipette tip ejection mechanism with a sinusoidal stripper bar. | 06-28-2012 |
20120269702 | STRUCTURE AND METHOD FOR HANDLING MAGNETIC PARTICLES IN BIOLOGICAL ASSAYS - Magnetic handling structure comprising a retractable magnet and a probe for the manipulation of magnetic particles in biological samples and methods of handling magnetic particles in biological samples. | 10-25-2012 |
20120294780 | DROP-IN NOZZLE - A drop-in nozzle system for use with a multi-well or multi-column synthesizer or other element distribution system. The drop-in nozzle system includes one or more insertable/removable and/or disposable nozzle inserts, a nozzle housing, an input tube and a fitting. The one or more nozzle inserts are able to vary in length and have ferrule assembly positioned at the top of the insert. As a result, the system enables a user to disconnect a fitting from a nozzle housing cavity thereby releasing the system's liquid-tight seal, replace the current nozzle insert with another insert, and then reconnect the fitting recreating the liquid-tight seal and enabling the system for operation with the new nozzle insert. | 11-22-2012 |
20140112839 | MULTI-FUNCTION DISPENSE HEAD - A multi-function dispense head operable by a single motor comprises a pipette housing having carriage driven pipette rods and carriage driven pistons and a wash/ejector head movable by the pistons. The carriage is attached to the pipette rods and vertically moves the rods through the pipette housing as needed for various pipette functions. The pistons are pushed into movement by the carriage and, in a lower position, into contact with a lower ledge along a bottom portion of the movable head forcing the lower ledge downwardly to eject pipette tips. The pistons also move the wash/ejector head when the movable head performs a wash function. | 04-24-2014 |
20140271405 | RETAINING DEVICE FOR A PIPETTING NEEDLE - The invention relates to a retaining device ( | 09-18-2014 |
20150030513 | Multi-Channel Pipettor with Repositionable Tips - A hand-held, multi-channel pipettor has an electronically controlled motor to reposition pipette tips for different center to center spacing. Each repositionable tip fitting assembly has a cam following pin that is driven by cam tracks in a motor driven roller drum. Stationary ports for the multiple aspiration cylinders are strategically placed to simplify management of flexible tubes leading to the repositionable pipette tip fitting assemblies. The pipettor has a user interface that can be operated conveniently by one hand to reposition pipette tips. It has a pipette tip ejection mechanism with a sinusoidal stripper bar. | 01-29-2015 |
20150044111 | PIPETTING MACHINE HAVING A DISPOSAL CONTAINER - The invention relates to a metering apparatus ( | 02-12-2015 |
20160023203 | DUAL TIP ARRAY DISPENSING HEAD - An automated multi-function processing head for a laboratory work station having a table for supporting microtiter plates, other fluid receptacles, a movable arm, and a dual tip dispensing head affixed for reciprocal movement along the arm. The workstation combines into a single programmable system the capabilities for automation of a wide range of bioanalytical procedures including sample pipetting, serial dilution, reagent additions, mixing, reaction timing and washing of reaction vessels. The work station is adapted to transfer, dispense and aspirate liquid from one location to another automatically in accordance with user programmed instructions. Fluid is dispensed and aspirated using a dual tip dispensing head having two sets of tip couplers actuated by one drive system. The two sets of tip couplers allow the use of different sizes of pipette tips and tips at different pitches or distances between the centerlines. Integral to the dual tip dispensing head are two arrays of tip couplers that are used to pick up disposable pipette tips, which are automatically picked up by the head and ejected by a tip ejector mechanism. One motor coupled to an actuator is used to control the multiple functions including; tip coupling, fluid aspiration, fluid dispensing, and tip ejection for both arrays of pipette channels. The work station is designed for interactive connection with a remote computer. | 01-28-2016 |
20190145995 | METHODS, DEVICES, AND SYSTEMS FOR MIXING FLUIDS | 05-16-2019 |