650results about How to "Avoid stagnation" patented technology

A reusable analyte sensor site for use with a replaceable analyte sensor for determining a level of an analyte includes a site housing and a resealable insertion site coupled to one end of the site housing. Preferably, the site housing is formed to have an interior cavity, and includes an outer membrane made of a material selected to promote vascularization and having a first pore size, and an inner membrane made of a material selected to be free of tissue ingress. Also, the site housing permits the analyte to pass through the site housing to the interior cavity to permit measurement by the replaceable analyte sensor. The resealable insertion site is provided for inserting the replaceable analyte sensor into the interior cavity of the site housing.

Certain embodiments and aspects of the present invention relate to a photobioreactor including photobioreactor units through which a liquid medium stream and a gas stream flow. The photobioreactor units are floated on a body of water such as a pond or a lake. The liquid medium comprises at least one species of phototrophic organism therein. Certain methods of using the photobioreactor system as part of fuel generation system and/or a gas-treatment process or system at least partially remove certain undesirable pollutants from a gas stream. In certain embodiments, the photobioreactor units are formed of flexible, deformable material and are configured to provide a substantially constant thickness of liquid medium. In certain embodiments, a barrier between the photobioreactor unit and the body of water upon which the unit is floated facilitates thermal communication between the liquid medium and the body of water.

A dressing system is disclosed which has a sponge and a near infrared spectroscopy sensor positioned adjacent to the sponge for monitoring oxygenation levels of tissue adjacent to the sponge. The dressing system may further include a tube coupled to the sponge for removing fluid from the sponge. The dressing system comprises: a sponge; and a tensioning system coupled to the sponge. The tensioning system further comprises a central longitudinal member coupled to the sponge; and at least one tensioning member coupled to the central longitudinal member. A sequential compression system comprises: an envelope sleeve dressing; and a bladder that is both expandable and retractable. A tissue filler system is also described and includes a plurality of tubes; wherein each of the plurality of tubes further comprises apertures; and a pump coupled to at least one of the tubes which obviates the need for any sponge or wound screen.

It is an object of the present invention to realize a small and light blood pump that can control thrombosis and moreover, endure a prolonged use.

A blood pump comprising an impeller, a casing having a suction inlet and a delivery outlet and rotatably encasing the impeller, a magnetic drive means for rotating the impeller by magnetically acting from outside of the casing on a magnet that the impeller includes, a magnetic attraction force adjustment means for adjusting the attraction force by said magnetic action, a control means for rotating speed of said magnetic drive means, and a pair of pivot bearings for supporting pivots at both ends of the impeller rotation shaft, wherein the distance between bearing faces of said both pivot bearings is set longer than the length of the rotation shaft of the impeller and the rotation speed of the impeller is controlled to a predetermined speed by said control means for rotating speed so as to levitate the impeller in the blood flow in the casing and to maintain out of contact between the pivots at both ends of the rotation shaft of the impeller and the bearing face of said both pivot bearing.

The present invention relates to a showerhead that supplies a source gas and a supporting gas for depositing a film into a processing vessel of a film deposition apparatus. The showerhead includes a body which is provided with a gas jetting surface (8). In the showerhead body, there are defined a first diffusion chamber (60) that receives the source gas and diffuses the same, and a second diffusion chamber (62) that receives the supporting gas and diffuses the same. The gas jetting surface has source-gas jetting orifices (10A) that are in communication with the first diffusion chamber, and first supporting-gas jetting orifices (10B) that are in communication with the second diffusion chamber. Each of the first supporting-gas jetting orifices (10B) are formed into a ring shape that adjacently surrounds a corresponding one of the source-gas jetting orifices (10A).

The present invention relates to a rotary blood pump with a double pivot contact bearing system with an operating range between about 50 mL/min and about 1500 mL/min is described, wherein the force on the upper bearing is less than 3N during operating speeds up to 6000 rpm. The invention also relates to a method of using a blood pump system for persistently increasing the overall diameter and lumen diameter of peripheral veins and arteries by persistently increasing the speed of blood and the wall shear stress in a peripheral vein or artery for period of time sufficient to result in a persistent increase in the overall diameter and lumen diameter of the vessel is provided. The blood pump system may also be used to reduce venous hypertension in a lower extremity and increasing the rate of healing of lower extremity venous ulcers in patients is provided. The blood pump system includes a blood pump, blood conduit(s), a control system with optional sensors, and a power source. The pump system is configured to connect to the vascular system in a patient and pump blood at a desired rate. The pumping of blood is monitored and adjusted, as necessary, to maintain the desired elevated blood speed and wall shear stress, and the desired pulsatility in the target artery or vein in order to optimize the rate and extent of the persistent increase in the overall diameter and lumen diameter of the target peripheral artery or vein or to result in a reduction in venous blood pressure in the treated lower extremity or healing of the lower extremity venous ulcer.

An extended depth of field is achieved by a computational imaging system that combines a multifocal imaging subsystem for producing a purposefully blurred intermediate image with a digital processing subsystem for producing a recovered image having an extended depth of field. The multifocal imaging system preferably exhibits spherical aberration as the dominant feature of the purposeful blur. A central obscuration of the multifocal imaging subsystem renders point-spread functions of object points more uniform over a range of object distances. An iterative digital deconvolution algorithm for converting the intermediate image into the recovered image contains a metric parameter that speeds convergence, avoids stagnations, and enhances image quality.

The present invention relates to a rotary blood pump with a double pivot contact bearing system with an operating range between about 50 mL/min and about 1500 mL/min. The rotary blood pump is part of a blood pump system that includes blood conduit(s), a control system with optional sensors, and a power source. Embodiments of the present invention may include elements such as wear resistant bearing materials, a rotor back plate for magnetic attraction of the rotor to reduce bearing pivot bearing forces and wear, a rotor size and shape and a bearing gap that combine to create a hydrodynamic bearing effect and reduce bearing pivot bearing forces and wear, improved intravascular conduits with increased resistance to thrombosis, conduit insertion site cuffs to resist infection, and conduit side ports amenable to the easy insertion of guidewire and catheter-based medical devices.

Ablation electrode assemblies include an inner core member and an outer shell surrounding the inner core member. The inner core member and the outer shell define a space or separation region therebetween. The inner core member is constructed from a thermally insulative material having a reduced thermal conductivity. In an embodiment, the space is a sealed or evacuated region. In other embodiments, irrigation fluid flows within the space. The ablation electrode assembly further includes at least one thermal sensor in some embodiments. Methods for providing irrigation fluid during cardiac ablation of targeted tissue are disclosed that include calculating the energy delivered to irrigation fluid as it flows within the ablation electrode assembly through temperature measurement of the irrigation fluid. Pulsatile flow of irrigation fluid can be utilized in some embodiments of the disclosure.

A sealable access stopcock includes a valve body having a switching part formed in a valve shaft thereof for switching from one flow passage to another; and a main body having an internal chamber in which the valve shaft of the valve body is rotatably fitted, and a plurality of tributary tubes each having a lumen extending therethrough, the lumen opening on a side wall of the internal chamber; the valve body being rotated to selectively bring the lumens into communication with one another through the switching part and thereby switch flow of an infusion fluid from one flow passage to another. A switching channel is provided in the form of an arcuate groove in the switching part of the valve shaft to extend along the circumferential surface thereof.

The invention provides a method and a device for clearing progresses of a mobile terminal. The method comprises the steps of establishing a white list for the process of the mobile terminal; carrying out screen locking and monitoring service at backstage; judging whether a screen locking message is received or not, wherein if the screen locking message is received, the next step is carried out, if the screen locking message is not received, the screen locking and monitoring service is carried out continuously; reading the progress which is in running; comparing the progress with the white list and judging whether the progress belongs to the white list or whether the progress is a key progress, wherein if the progress belongs to the white list or the progress is the key progress, no processing is carried out, if the progress does not belongs to the white list or the progress is not the key progress, the progress is cleared; judging whether all progresses which is still in running are read, if all the progresses are still in running are read, the method is ended, if the all the progresses still running are not read, the name of the next progress is obtained, and the step for reading the progresses still in running is carried out again. And then automatic clearing of progresses left at the backstage of the mobile terminal is achieved, and storage space of the mobile terminal is released, and running speed of the mobile terminal is improved. In addition, the invention further provides a device for clearing the progresses of the mobile terminal.

The invention discloses a parallel encoding realization circuit and an encoding method based on CABAC (Context-based Adaptive Binary Arithmetic Coding) in H.264/AVC (Advanced Video Coding). The parallel encoding realization circuit comprises a binary engine, a context model engine, a parallel normalization engine and an RBSP (Remote Batch Station Processor) code stream generation engine, wherein the binary engine is used for executing a parallel normalization operation; the context model engine is used for executing context read and updating operation of two bits per period; the parallel normalization engine is used for executing the normalization operation of two bits per period; and the RBSP is used for generating an RBSP output code stream. The binary engine and the context model engine are connected in a three-writing, two-reading and first-in, first-out queue; and the parallel normalization engine and the RBSP code stream generation engine are connected in a two-writing, one-reading and first-in, first-out queue. The invention ensures that processing speeds of the binary engine, the normalization engine and the RBSP code stream generation engine are matched, avoids productionline stagnancy and solves the problems of unbalanced throughput rates among various levels of processing engines and calculation bottleneck initiated by correlation of a coding interval, coding lowerlimit normalization and a code stream production process.

The invention discloses an optimization method of the shortest emergency logistics path based on the fish swarm ant colony algorithm. The congestion factor is introduced into the basic ant colony algorithm to solve the optimization problem of the shortest emergency logistics path and enhance the search for emergency logistics. The ability to optimize the best solution for the path reduces the possibility of the basic ant colony algorithm falling into a local optimum. (1) Input the number of ants, the maximum number of iterations and the maximum load capacity of the vehicle, select the emergency situation, and input the importance of residual pheromone, the importance of heuristic pheromone, evaporation coefficient and intensity coefficient; (2) Find the shortest emergency logistics route : (1) Establish the model of the shortest emergency logistics route optimization problem; (2) The solution process of the model; (3) Display the distribution route results and the performance comparison results of the algorithm in solving the shortest emergency logistics route optimization problem. The optimization scheme for finding emergency logistics routes in the present invention is more efficient.

The refrigeration device has an inverter device, an electric compressor, a condenser, an evaporator, a condenser fan, an evaporator fan, and a controller. An AC output from a power generator is supplied to the inverter device. A refrigerant discharge amount of the electric compressor is controlled by the inverter device. The refrigerant from the electric compressor flows in the condenser, and the condenser causes the refrigerant to radiate heat to outside air outside a container. The refrigerant from the condenser flows in the evaporator, and the evaporator cools an interior of the container. The condenser fan is driven by a DC output from a DC power supply device and blows air to the condenser. The evaporator fan is driven by the DC output from the DC power supply device and blows air to the evaporator. The controller controls at least the electric compressor, the inverter device, and the engine.

A blood treatment filter which comprises a housing including an inlet and an outlet, and a filter unit for filtering blood containing erythrocytes, platelets and leukocytes as blood cell components is provided.

The filter unit comprises a main filter unit which virtually removes predetermined cell components from blood and passes the remaining blood cell components, and a pre-filter unit which is arranged at the up-stream side of the main filter and virtually does not remove blood cell components.

The pre-filter unit has a permeability rate of 70 to 90% for micro particles having an average particle size of 6 μm which are contained in a suspension and passed by gravity.

A system and method for recovery of phase information from recorded intensity values is disclosed. In one aspect, a phase filter is placed in a plane, which may be the back focal plane (BFP) of a lens used for observing an object. The phase filter changes the phase of a wave front distribution in the BFP in a known manner. Amplitude stops or combinations of phase and amplitude filtering patterns can also be used to capture N different sets of intensity data in a conjugate diffraction plane. The N intensity images are used to obtain an estimate of the wave front at the first plane. This wave front estimate is then used to generate N modified estimates of the wave front at the conjugate plane, each modified estimate corresponding to one of N filtering patterns. In one implementation, the N modified IP estimates are corrected by replacing the estimated amplitudes with the actually measured ones for that image. The process is repeated iteratively until an error measure between the measured values and the synthetically generated ones falls below a known threshold. The resulting phase estimates can be used to display wave front information similar in appearance to holograms, or to create lens-free microscopes.

A material conveyance device that has an inverter converting a frequency of an alternating-current source and a suction air source having an electric motor driven by the inverter and pneumatically conveys a material by the suction air source through a pipe for conveying the material, includes: a physical quantity detector that detects a physical quantity related to an output of the inverter; and a controller that controls an air volume or an air speed by the suction air source based on the physical quantity detected by the physical quantity detector.

An EGR cooler including tubes and a shell enclosing the tubes. Cooling water is supplied into and discharged from the shell. Exhaust gas is guided from a diesel engine into the tubes for thermal exchange of the exhaust gas with the cooling water. A bypass flow path for guiding the cooling water is constituted within the shell so as to prevent stagnation of the cooling water in the shell.

A main shaft apparatus (10) of a built-in motor system, wherein a rotary shaft (12) is provided with: a first cylindrical component (71) made of metal material; and a second cylindrical component (72) made of carbon fibre composite material, which is positioned on the outer peripheral surface of the first cylindrical component (71) and into the outer peripheral surface of which a rotor (20) fits. By virtue of this, the temperature increase of the rotary shaft and a bearing due to the heat produced by the rotor can be controlled and processing precision can be improved.