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3136results about How to "Reduce negative impact" patented technology

Clip applier cartridge with internal ratchet

A clip applier for applying a surgical clip in a patient comprising a disposable cartridge and a reusable actuating mechanism. The cartridge includes an elongate tube having a proximal end and a distal end, a pair of opposing jaw members extending outwardly from the distal end of the elongate tube, and a one-way ratchet mechanism providing a full actuating stroke. The actuating mechanism is coupled to the proximal end of the elongate tube to move the jaw members between an open position and a closed position. The ratchet mechanism may be formed from injection molded plastic. The cartridge further comprises a push member for advancing the clip into the jaw members, a biasing spring for maintaining the push member against the clip, and a drive coupling operatively connected to a sliding ratchet pawl for engaging with mating teeth formed on an inner surface of the elongate tube, wherein the ratchet pawl includes a cantilever arm that engages with the mating teeth, and wherein the drive coupling provides a central connection of the ratchet pawl allowing pivoting and improved seating of the mating teeth. A method of applying a surgical clip to an object in a patient using the clip applier of the invention includes the steps of positioning the clip applier within the patient such that the jaw members are adjacent to the object to be clipped, closing the jaw members and the clip over the object, and removing the clip applier from the patient. The method may further comprise the steps of orienting the clip applier such that the jaw members pass over the object, manipulating the jaw members to move the object to a compressed state within the jaw members, advancing the clip over the object to maintain the object in the compressed state, and retracting a feeder to allow the next clip to be fed into the jaw members.
Owner:YAWATA HARUYASU +2

Multi-vehicle coordinating lane changing control system and method based on vehicle-vehicle communication

The invention discloses a multi-vehicle coordinating lane changing control system and a multi-vehicle coordinating lane changing control method based on vehicle-vehicle communication, and belongs to the field of control over vehicles. The system comprises a sensing unit, a communication unit, a control unit and a human-computer interaction unit. The sensing unit is used for acquiring information of an own vehicle in real time, the communication unit is used for performing real-time interaction of information among vehicles, and the communication unit is used for making a decision of the coordinating lane changing feasibility and acquiring expected control quantities of the own vehicle and coordinating vehicles and realizing control over the vehicles. The method is based on the system, through collecting information of vehicles, i.e. the own vehicle, a front vehicle on an original lane, a front vehicle on a target lane and a behind vehicle on the target lane, motion statuses of the four vehicles having mutual effects are planned in a centralized manner in the lane changing process, and the own vehicle changes the lane smoothly through active coordinating among the four vehicles. By applying the multi-vehicle coordinating lane changing control system and the multi-vehicle coordinating lane changing control method based on the vehicle-vehicle communication, safety spaces among the vehicles can be fully used, the feasible lane changing chance is effectively increased, the lane changing safety is guaranteed, the driving comfort in the lane changing process is improved, and negative influences of lane changing behaviors on the upstream vehicles on the target lane are decreased.
Owner:BEIHANG UNIV +1

Pressure-detection method and a detection device for an electric pressure cooker

A pressure-detection method and detection device for electric pressure cooker is used for detecting continuously and accurately to control the pressure in the electric pressure cooker. The method comprises that a strainometer is provided on the periphery of a cooking pot of the electric pressure cooker, and a transmission arm is utilized to sense the expanding amount of the cooking pot and converts the expanding amount into a displacement, then makes the elastomer of the strainometer distorting; the distorting elastomer generates subsequently a controllable electric signal due to the electric characteristic of a sensitive foil, and the controllable electric signal is delivered to a central control unit, then control signals and display signals are outputted by the central control unit. The detection device comprises a strainometer, a transmission arm, a central control unit and the like. The strainometer is provided on the periphery of the cooking pot of the electric pressure cooker and is fixed by a proper way. The present invention can be used not only to detect and control the pressure of the electric pressure cooker and can be used for the household appliances also, such as electric iron, electric water heater and the like, the temperature and pressure of which need to be detected.
Owner:JIAN WEI WEN

Full-temperature-range pressure swing adsorption gas separation, refinement and purification method

ActiveCN105749699AReduce energy consumptionBroaden the scope of adsorption separation applicationsSolidificationLiquefactionEnergy gradientPurification methods
The invention discloses a full-temperature-range pressure swing adsorption gas separation, refinement and purification method.By means of the difference of the temperatures and pressures of different raw material gases and the difference of the adsorption separation coefficients and physical chemistry properties of all components in the raw material gases in the temperature range of 80-200 DEG C and the pressure range of 0.03-4.0 MPa, the adsorption or desorption regeneration operation of the pressure swing adsorption circulation process is adjusted by coupling all separation methods, the adsorption theory that the pressure or temperature swing adsorption separation process is only limited to the adsorption and desorption regeneration circulation operation through pressure or temperature changes is expanded, and therefore all raw material gases are separated, refined and purified by achieving the energy gradient utilization in the gas separation, refinement and purification process and achieving the circulation operation, where adsorption, desorption and regeneration are easily matched and balanced, in the moderate to low cold and moderate to high temperature pressure swing adsorption separation process, and it is changed that a traditional adsorption method is only limited to the auxiliary effect of refinement and purification, and adsorption becomes the basic separation unit operation just as important as refinement, absorption and extraction separation.
Owner:SICHUAN TECHAIRS
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