563 results about "INTRODUCTION device" patented technology

An apparatus and method for electrospinning polymer fibers and membranes. The method includes electrospinning a polymer fiber from a conducting fluid in the presence of a first electric field established between a conducting fluid introduction device and a ground source and modifying the first electric field with a second electric field to form a jet stream of the conducting fluid. The method also includes electrically controlling the flow characteristics of the jet stream, forming a plurality of electrospinning jet streams and independently controlling the flow characteristics of at least one of the jet streams. The apparatus for electrospinning includes a conducting fluid introduction device containing a plurality of electrospinning spinnerets, a ground member positioned adjacent to the spinnerets, a support member disposed between the spinnerets and the ground member and movable to receive fibers formed from the conducting fluid, and a component for controlling the flow characteristics of conducting fluid from at least one spinneret independently from another spinneret.

A system and method for adjusting a catheter to create a medicated atmosphere in an organ, or body cavity is disclosed. The system comprises a catheter, such as an aerosolization catheter, that can be manipulated during use and an introduction device for the introduction and manipulation, by rotational and / or axial positioning, of the aerosolization catheter. The method includes inserting the catheter into a body cavity via an introducer apparatus and adjusting an angle or orientation of the exit end of the catheter so that a substance provided to the catheter will be controllably applied to the body cavity at desired locations.

Low-power, low flow-rate, portable, miniaturized plasma devices are provided. A portable, low-power, low flow-rate, miniaturized sample introduction device is also provided. The devices are inexpensive to make, have low operating cost and can be used with a variety of gases and gas mixtures. The devices can be used for elemental analysis from liquid or solid micro-samples by optical emission or mass spectrometry provided that an appropriate sample introduction system is used.

A gastric band introduction device includes an elongated support tube having a handle at a proximal end thereof and an opening for delivery of a gastric band at a distal end thereof. The introduction device also includes a transparent section formed at the distal end of the support tube. A method for the application of a gastric band through the utilization of an gastric band introduction device is achieved by removing the gastric band introduction device from its packaging, initiating a check of the gastric band prior to introduction within the patient, the check including viewing of the gastric band through a transparent section formed in the introduction device, and introducing the gastric band.

The invention relates to a reaction vessel, a reaction vessel liquid introducing device, a liquid introducing and reaction measuring device, and a liquid introducing device, and is directed to being able to perform temperature control of a liquid stored within the reaction vessel with a high accuracy and faithful responsiveness. The reaction vessel comprises: a storage chamber in which a liquid is storable, that has an opening part; a reaction chamber that is formed thinner or narrower than the storage chamber; and at least one flow passage that communicates between the storage chamber or the exterior and the reaction chamber. The reaction vessel is formed such that it is connectable to a liquid introducing section provided externally, and the liquid can be introduced into the reaction chamber by connecting to the liquid introducing section.

A surgical tool for safely introducing a gastric band into a patient's abdomen is provided. The instrument includes an inner rod slidably and coaxially disposed within a support tube. The inner rod includes a gastric band releasably secured thereon. Distal movement of the inner rod into the support tube exposes said gastric band.

This invention relates to a carbon structure manufacturing device, which forms carbon structures on a substrate. This manufacturing device comprises a first chamber, which forms a first space accommodating the substrate; a raw material gas supply device, which supplies raw material gas for formation of the carbon structures to the first space; a second chamber, which forms a second space separate from the first space; a gas supply device, which supplies gas for generation of plasma to the second space; a plasma generation device, which generates plasma in the second space; an aperture, connecting the first space and the second space; and, a plasma introduction device, which introduces plasma generated in the second space into the first space via the aperture; the raw material gas is used to form the carbon structures on the substrate. By means of this manufacturing device, when forming carbon structures on the substrate, the occurrence of contamination, foreign matter, and / or the like on electrodes and / or the like can be suppressed, and carbon structures can be formed satisfactorily over a broad area.

A liquefied carbon dioxide producing apparatus that can generate high-purity liquid CO2 free from moisture and organic matter such as oil includes: a recirculating system that carries out a recirculating treatment on CO2; and an introduction device that introduces CO2 from an external source of CO2 into the recirculating system. The recirculating system includes at least an evaporator that vaporizes CO2, a condenser that condenses CO2 from an outlet of the evaporator, and a storage tank that stores liquid CO2 generated by the condenser. The liquid CO2 in the storage tank is fed to a point-of-use and to the evaporator. An adsorption device that removes moisture and organic matter (oil) is provided on a line from the external source of CO2 to the condenser at a position where CO2 gas flows.

A canister includes a first fuel vapor adsorption device and a second fuel vapor adsorption device. The second fuel vapor adsorption device can adsorb a part of fuel vapor that still remains in a gas after desorption by the first fuel vapor adsorption device. The second fuel vapor adsorption device includes a first passage containing a fuel vapor adsorption material and a second passage containing no fuel vapor adsorption material. The first passage and the second passage allow the gas to flow therethrough. A gas introduction device allows the fuel vapor to flow from the second passage into the first passage.

The invention relates to a full-automatic immunization analyzer and a detection method. The full-automatic immunization analyzer comprises a sample introduction device (1), a reagent card conveying device (2), a feeding mechanism (3), an incubation device (4), a puncture sampling assembly (5), a cleaning assembly (6), a discharging device (7), a detecting device (8), a plunger pump assembly (9) and a diaphragm pump assembly (10). The above modules are combined under control of a system control module and realize automatic immunoquantitative analysis of multiple samples through cooperation with each other so that detection efficiency is improved and requirements on a tester professional level are reduced.

The invention relates to a simulation-system-oriented road network drawing device and a method therefor; the method comprises: a map transformation method, a node segmentation method, a node moving method, a road section direction changing method, a road section translation method and a node combination method. The device mainly comprises a road network introduction device, a node editing device,a road section editing device, a signal editing device, an accident editing device, a trip starting and finishing point editing device and a road network guiding device. The device not only can realize visualization edit of the road network and improves the maneuverability of a simulation system, but also is developed based on visual basic and MAPX, so that an executable file can be generated, andthe device can be operated and executed independent of any other software, thus improving the convenience of the software can be improved. All the functions of the device can be realized by various relations and methods inside all devices and among different devices.

An introduction device applies urging force linearly generated by a spring to a nut portion screwed to a drive shaft to convert the urging force to the rotation direction of the drive shaft. This conversion returns an RL operation dial provided at the end of the drive shaft in a direction opposite to the rotation direction in which the RL operation dial is operated, and then returns the RL operation dial to an original neutral position.

A sample introduction device for introducing a plurality of independent fluid sample streams into a mass spectrometer includes a manifold (84) having a plurality of fluid sample stream direct paths. Each direct path extends between a fluid sample stream inlet (80, 82) and a fluid sample stream outlet. A plurality of bypass paths (92, 96) is also provided in the manifold. Each bypass path is coupled to a respective one of the direct paths between the inlet and outlet. A plurality of transfer lines (86, 94) is also provided with each transfer line being coupled to a respective one of the outlets to deliver a fluid sample stream to an ionization region of the mass spectrometer. A valve (90, 96) is positioned in each of the bypass paths and is actuable to divert the fluid sample stream entering the direct path via the inlet from the direct path and into the bypass path.

The invention relates to a system for producing a three-dimensional object by solidifying layer by layer a material that can be solidified under the effect of radiation. The system comprises a device for releasing a material layer of the solidifiable material that has solidified on a carrier defining a reference surface from the carrier. The device comprises a flexible elastic release element. The release element is arranged between the carrier and the material layer and can be detached nondestructively from the carrier. The system also comprises a fluid introduction device for introducing a release fluid between the carrier and the release element. The reference surface is curved in a way deviating from a plane.

The invention provides a data importing device, which comprises a guidance file generation unit, a data reading unit, a data verification unit, a merge application unit and a data storage unit, wherein the guidance file generation unit is used for generating a corresponding guidance file under different business requirements; the data reading unit is used for reading a data file to be imported, to form a data object; the data verification unit is used for performing data verification on the formed data object on the basis of the guidance file; the merge application unit is used for merging and modifying the data objects subjected to data verification on the basis of field identification, to obtain Map objects; and the data storage unit is used for communicating with a database, converting the merged Map object into corresponding data in the database, and storing. The invention further provides a data importing method. Through the technical scheme, the data importing of multiple object types can be completed by fully utilizing single object type on the basis of the existing data importing mode, and the universal and unified importing conception is established, and in the universal and unified importing conception, the multiple object types participate and the complicated object type data importing is oriented.

The present invention relates to an injector for use in gas phase analytical systems and methods comprising a metal housing, provided with a carrier gas inlet, a split outlet, a column outlet of the injector, a sample inlet, a liner, and a heater device comprising at least one coil for radio frequency inductive heating the housing with a predetermined temperature program and for providing a predetermined spatial temperature profile in the injector. The injector according to the invention allows performing gas phase analyses, especially GC analyses with reduced discrimination. Advantages of heating with a heater device comprising a coil for inductive heating include a homogeneous heating profile of the housing including parts connected thereto, with heating rates that can be varied widely. A further advantage is that the injector can be operated as a conventional S / SL injector at a predetermined temperature, or as PTV injector or thermal desorption injector with certain predetermined temperature programs. The invention also relates to a process of making an injector according to the invention, and to a process of refitting an existing S / SL injector. The invention further concerns a gas analytical system comprising an injector according to the invention, and to a process of analysing a sample with such gas analytical system.

The invention provides an electrolyte analyzer and an automatic sampling method and belongs to the field of medical instruments. The electrolyte analyzer comprises a main unit and a sampling mechanism; the sampling mechanism includes a base as well as an automatic sampling device and automatic sample introduction device arranged on the base, wherein the automatic sampling device includes a sampling frame, a sampling pin, a first driving device that drives the sampling frame to move vertically and horizontally, a sample suction pump that drives the sampling pin to suction a sample, a washing nozzle, and a distribution valve; the automatic sample introduction device includes an automatic sample introduction disc, an automatic sample introduction disc control panel, a second driving device that drives the automatic sample introduction disc to rotate, and a test-tube recognition device; the periphery of the automatic sample introduction disc is provided with a plurality of test-tube clamps for holding test-tubes. Through automatic sampling, equipment utilization rate of the whole process is increased; through automated test-tube recognition and barcode scanning, information acquisition time is greatly shortened and manual cost is greatly reduced.

The invention provides a sampling introduction device for solid and fluid which has the structure that a sample well used for inserting a sample coherence sheet is opened with two through holes coaxially on the two arthropleuras and one of the through holes is connected with an inlet duct controller; an inlet duct is arranged on the central axis of the hole and the controller in an inserting way, and controlled by the gas inlet controller, which can move along the central axis under the controlling, thus making the sample attachment plate reach the other arthropleuras of the sample well; an air outlet is fixedly connected with the out side of the other through hole, the other end of the air outlet is connected with an analytical apparatus; an air pump is connected with an end of the inlet duct to insufflate the sample from the sample attachment plate into the air outlet. The heating and sampling device of the invention has the advantages of reasonable structure and extensive applicability, sample offering for various kinds of gas analyzer.

An extraction apparatus includes a brewing module for receiving a capsule with an extraction material. The brewing module includes a first brewing module part and a second brewing module part, the second brewing part being movable relative to the first brewing part. The first and the second brewing module parts form a discharge device for the discharge of an extraction product out of the capsule, and an introduction device for introducing an extraction fluid into the capsule. A sealing system for such an extraction apparatus includes a seal having at least one circumferential sealing lip and / or one circumferential sealing bead, which bears on a surface of the capsule in a line-like or strip-like manner and presses the capsule wall against the capsule interior.

A rivet, rivet introduction device, and method therefor. The rivet is configured for deployment from a rivet introduction device to provide for connection of tissue. The rivet preferably includes two expansion zones configured to secure tissue therebetween, with the expansion zones being either self-expanding or expandable by use of a mandrel. The rivet introduction device preferably is configured to provide for introduction of a rivet with access only to one side of the tissue to be connected.

A method for rapidly heating an emission control device in an engine exhaust uses excess air added to the exhaust via an air introduction device. After an engine cold start, the engine is operated to raise exhaust manifold temperature to a first predetermined value by operating the engine with a lean air-fuel ratio and retarded ignition timing. Once the exhaust manifold reaches the predetermined temperature value, the engine is switched to operate rich and air is added via the air introduction device. The added air and rich exhaust gas burn in the exhaust, thereby generating heat and raising catalyst temperature even more rapidly. The rich operation and excess air are continued until either engine airflow increases beyond a pre-selected value, or the emission control device reaches a desired temperature value. After the emission control device reaches the desired temperature, the engine is operated substantially around stoichiometry. Further, a method is described for adaptively learning pump airflow using feedback from an exhaust gas oxygen sensor.

The invention discloses a system for synchronous on-line detection of adsorption spectrum and fluorescence spectrum. The system consists of a reciprocating plunger pump, a sample introduction device, an enrichment device, a detection cell, a light source, a spectrograph, an optical fiber, a computer and a data processing system, wherein the sample introduction device is provided with a six-way valve; a sample passes through the reciprocating plunger pump according to a predetermined time, enters an active carbon enrichment column through the six-way valve and is discharged after online enrichment; after finishing enrichment, the six-way valve is switched; an eluate enters the active carbon enrichment column through the six-way valve; an enrichment substance is washed and enters a flow cell and is discharged after spectrum detection is performed on the enrichment substance; the content of the sample is calculated based on the change of spectrum intensity; and the flow cell is integrally connected with five-way valve formed by a light source radiation optical fiber interface hole, an ultraviolet visible light optical fiber interface hole, a fluorescence spectrum optical fiber interface hole, a liquid inlet pipe hole and a liquid outlet pipe hole. The system realizes the on-line detection of the adsorption spectrum and the fluorescence spectrum; and an instrument has the characteristics of small volume, light weight, good reproducibility, convenient carrying, and fast sample treating speed, so the system has wide application fields.

The invention discloses a static sampling introduction device and a method of a calibrating pressure leak hole, which belong to the field of measurement. The device and the method utilize pumping performance of a non-evapotranspiration type getter pump and introduce helium accumulated by the calibrated pressure leak hole into a calibration chamber, and a helium ion flow signal is generated on a quadrupole mass spectrometer. Helium with known quantity is prepared and is introduced into the calibration chamber in the same method, a helium ion flow signal is generated on the quadrupole mass spectrometer, and leakage rate of the calibrated pressure leak hole is obtained through simple calculation. The method greatly shortens accumulative time for the pressure leak hole, simultaneously improves a helium partial pressure value in the calibration chamber and calibration efficiency, extends calibration lower limit, and enables pressure leak hole with leak rate value smaller than 1*10-7Pa m<3> / s to be accurately calibrated.

An introduction device for introducing a roll of wrapping material to a wrapping device includes a support for supporting a roll of wrapping material, the support being movable between a loading position and an operating position, an actuating device having a pivotable pressure arm and a roller mounted onto the pivotable pressure arm, the actuating device adapted to pivot the pressure arm and bring the roller into contact with and to exert pressure onto the roll of wrapping material during the wrapping operation, and a device for activating the actuating device based upon the position of the support.

Systems and methods are used to rapidly screening samples. A fast sample introduction device that is non-chromatographic is instructed to supply each sample of a plurality samples to a tandem mass spectrometer using a processor. The fast sample introduction device can include a flow injection analysis device, an ion mobility analysis device, or a rapid sample cleanup device. The tandem mass spectrometer is instructed to perform fragmentation scans at two or more mass selection windows across a mass range of each sample of the plurality of samples using the processor. The two or more mass selection windows across the mass range can have fixed or variable window widths. The tandem mass spectrometer can be instructed to obtain a mass spectrum of the mass range before instructing the tandem mass spectrometer to perform the fragmentation scans.