185results about How to "Inconvenient to operate" patented technology

The invention provides an intelligent terminal automatic awakening method and system based on sensors. According to the intelligent terminal automatic awakening method, a gravity sensor or a light sensor arranged on an intelligent terminal is used for judging an acceleration magnitude value or a light intensity value of the intelligent terminal, and if the variable quantity of the acceleration magnitude value or the light intensity value of the intelligent terminal within the scheduled time is larger than a preset threshold value, the intelligent terminal can be awakened automatically. The intelligent terminal automatic awakening method and system eliminate the procedure that a user has to carry out operation on an awakening and unlocking key on the intelligent terminal when the user needs to awaken and unlock the intelligent terminal, and especially when the user carries out operation on an awakening and unlocking key of a large-screen intelligent terminal, the operation carried out on the awakening and unlocking key will be more inconvenient. Therefore, the intelligent terminal automatic awakening method and system improve individuation of the intelligent terminal in the using process and bring convenience to users.

The application of the invention provides a full-automatic immuoblotting analysis meter. The full-automatic immuoblotting analysis meter comprises an enclosure, wherein a control device, a support device, a peristaltic pump device, a shaking table device, a drying and absorption liquid adding device and a reading device are arranged in the enclosure, the control device comprises a power supply and a control circuit board, the support device is arranged in the enclosure and comprises a shell, a stepping motor and a synchronous belt driven by the stepping motor, the stepping motor and the synchronous belt are arranged in the shell, the synchronous belt drives a first fixed block and a second fixed block, the first fixed block drives the drying and absorption liquid adding device, the second fixed block drives the reading device, the peristaltic pump device is arranged on the support device, the shaking table device is arranged below the front of the support device, the drying and absorption liquid adding device is arranged above a tray rack and is connected with a synchronous belt of the support device through the first fixed block, and the reading device is arranged above the tray rack, is connected with the synchronous belt of the support device through the second fixed block, and comprises a camera, a light source and an input module for inputting acquired data into a computer for processing.

The invention discloses a composite bacteria-algae preparation, which consists of nitrifying bacteria, bacillus licheniformis, scenedesmus obliqnus and selenastrum capricornutum, wherein the volume ratio of the nitrifying bacteria to the bacillus licheniformis to the scenedesmus obliqnus to the selenastrum capricornutum is 1-2: 1-3:1-3:1-3, and the microbe inoculation amount per milliliter is 8*106CFU. The composite bacteria-algae preparation also can be prepared into a globular immobilized preparation by adopting a known embedding method, using the nitrifying bacteria, the bacillus licheniformis, the scenedesmus obliqnus and the selenastrum capricornutum as embedding bacteria and using polyvinyl alcohol, sodium alginate, active carbon, silicon dioxide and calcium carbonate as embedding agents. The bacteria, algae and immobilization materials used by the composite bacteria-algae preparation have no toxic or side effect on aquaculture animals, and can effectively purify the aquaculture waste water; the bacteria and the algae can inhibit the growth of harmful pathogenic bacteria to a certain degree; an immobilization method has simple operation; the immobilized efficient bacteria-algae microbial bactericide is easy to store and transport; and the immobilization materials are economic and practical and easy to recycle.

The invention discloses a high-temperature high-pressure glass micro model gripper used for heavy oil thermal recovery. The high-temperature high-pressure glass micro model gripper comprises a high-temperature high-pressure bin and high-pressure glass visual windows and further comprises a drawer type micro model support, upper pressing plates and lower pressing plates. The high-temperature high-pressure bin is a square-cylinder-shaped bin body. The upper portion and the lower portion of the inner wall of the bin body are each provided with an annular step. One high-pressure glass visual window is fixed to each annular step. The upper pressing plates and the lower pressing plates are arranged on the outsides of the high-pressure glass visual windows correspondingly. The high-temperature high-pressure bin is provided with a heater leading to an inner cavity of the bin body. The side face of the bin body is further provided with a model support inlet. The drawer type micro model support is pushed into the bin body from the model support inlet. Through the drawer type high-temperature high-pressure gripper, operation is simple, fast and convenient, and the problem of the unreliability of the leakproofness of the bin body due to repeated disassembly and assembly of the visual windows is avoided. A plurality of injection openings and control valves, bull plugs and back-pressure valves of the injection openings are adopted, so that noninterference between injection fluid is achieved, and meanwhile, the continuity of the injection fluid and pressure is ensured.

The invention relates to a device and a method for measuring film thermoelectric performance parameters. The device mainly comprises a temperature measuring resistor, a heat sink, a current source, a carrier, a data acquiring device, a computer, a temperature control box and a pressure gauge. A sample to be measured is fixed on the carrier, an edge of the sample to be measured is connected with the heat sink, and the rest edges of the sample to be measured are connected with the temperature measuring resistor. Current required by the measuring device is controlled by the current source, and various performance parameters of a film thermoelectric material is monitored and recorded in real time by the data acquiring device. The device and the method for measuring film thermoelectric performance parameters have the advantages that thermal conductivity coefficient, seebeck coefficient, electric conductivity coefficient and thermoelectric merit figure of film thermoelectric materials in different shapes can be measured by the same device, and measured thermoelectric merit figure and formula computing value can be compared. Four-wire system is adopted in the whole process of measuring, and affection of contact resistance is practically avoided. The device and the method for measuring film thermoelectric performance parameters is simple, convenient to operate, small in size, high in measuring accuracy and vast in testing functions.

The invention discloses a large-curvature radioactive level horizontal drilling process and device includes drilling vertical well to oil layer, lowering the sleeve, drilling sleeve shoe, building up angle directionally, washing well, lifting the drill, lowering special sieve vessels, filling with gravels, decoupling the hanger for circulated well washing, lifting the hanger de-coupler and all drilling tools above, drilling other radial wells, etc. Through drilling a plurality of radial wells, the invention enlarges seepage area, expanding seepage range, increasing the daily production for single well and raises final recovery ratio, so as to achieve the purposes of making full use of energy, increasing economic benefits and benefiting the society.

The RCC construction site time detection method has the following steps: (a) pre-embedding the probe (1) on the paved RCC surface (2); (2) recording the mixing RCC water time as the testing initial time; (3) interval using the rotation moment detector (3) to measure the probe rotary torque value; (4) probe detection; (5) using the obtained testing data to draw 'Torque(N*m)~time(h) curve', the curve having two inflection points, and taking the corresponding time of the first inflection point as the RCC initial time, and providing the effective process control basis to the RCC coverage time. It accurately assures the combination quality between the RCC layers, and fresh concrete without screening and the method is easy to grasp, and the site trial proves the testing results being accurate.

The invention discloses a medlar picking machine, and belongs to the technical field of medlar picking. The medlar picking machine comprises a support frame assembly, a collecting assembly and a vibration assembly, and has the following connection relationship that a support frame B of the collecting assembly is movably connected with a support frame A of the support frame assembly through a lifting oil cylinder, and the movable connection of the collecting assembly and the support frame assembly is formed; in addition, the support frame B is positioned inside a cavity formed by the support frame A, and the strip-shaped gap of a bottom plate of the support frame B is placed along the X-axis direction; a vibration frame plate of the vibration assembly is glidingly connected with the support frame B of the collecting assembly through a double-rolling-wheel structure, and the movable connection of the vibration assembly and the collecting assembly is formed; in addition, the vibration frame plate can slide on the support frame B along the X-axis direction. The medlar picking machine has the advantages that through a multi-point uniform distribution vibration swinging type fully automatic picking mechanism, the picking efficiency is improved, the thorough picking rate of fresh medlar fruits is high, in addition, only ripe fruits are harvested in the operation process, and unripe fruits cannot be damaged.

The invention discloses a deep-groove narrow-gap manual argon arc sealing welding method. The method comprises the following steps of: (1) cleaning before welding: removing oil, rust and water from welding areas, cleaning the welding areas and the peripheries of the welding areas by using acetone, and carrying out drying process by using hot air after washing; (2) forming a first weld bead for the root of a welding seam through sealing welding, carrying out self fluxing without wire filling by adopting manual tungsten argon-arc welding, and enabling the root of the welding seam to be of through welding by adopting the self fluxing current of 100-150 A and the self fluxing voltage of 14-20 V; (3) after self fluxing, carrying out transition by adopting small-diameter argon-arc welding wires through manual tungsten argon-arc welding, and forming a single transition layer for a single bead by adopting a discontinuous wire filling manner, the welding current of 40-60 A and the welding voltage of 12-16 V, thereby reaching welding fluxing; and (4) forming two weld beads in a transition manner by adopting conventional-diameter argon-arc welding wires through manual tungsten argon-arc welding, adopting a continuous wire filling manner, and welding multiple layers for a single bead until the welding is appropriate. The deep-groove narrow-gap manual argon arc sealing welding method disclosed by the invention has the advantages of simple steps, strong manual operability, high welding efficiency and good welded quality.

The invention discloses a set-top box, a set-top box power supply control device and a set-top box power supply control method. The set-top box power supply control device comprises a television electrical signal acquisition module, a signal processing module and an execution module, wherein the television electrical signal acquisition module acquires current induction signals from a television input power supply line and sends the current induction signals to the signal processing module; the signal processing module is used for receiving the current induction signals, converting the current induction signals into voltage signals and outputting power supply disconnection control signals when the voltage signals are judged to be smaller than a preset threshold value; and the execution module receives the power supply disconnection control signals from the signal processing module and disconnecting the power supply of the set-top box according to the power supply disconnection control signals. The set-top box power supply control device and the set-top box power supply control method provided by the invention can realize cut-off of the power supply of the internet protocol television (IPTV) set-top box when an IPTV user turns off (standby) the television, so that the user does not need to separately turn off the set-top box, a large amount of data stream is released, the flow pressure of the whole IPTV video link is relieved, power can be saved, the set-top box can be maintained better, and the device and the method are convenient for the user to operate.

The invention discloses an intelligent obstacle avoidance tower crane comprising a tower crane body. The tower crane body comprises a vertically arranged tower crane tower frame and a suspension arm perpendicular to the tower crane tower frame. The suspension arm comprises a cargo boom, a balance arm, a cargo hoisting mechanism arranged below the cargo boom, a counterweight bin below the balance arm, a rotary mechanism located at the intersection of the suspension arm and the tower crane tower frame, and a command bin located on the rotary mechanism. The cargo boom is further provided with a distance measuring sensor for measuring the distance to generate the obstacle elevation, and a photography sensor for taking a photo to generate an obstacle planar graph. The cargo hoisting mechanism reaches the hoisting point from the current position, in the two moving processes that the weights are hoisted from the hoisting point to the target drop point, whether an obstacle exists on the traveling path of the cargo hoisting mechanism is judged, an obstacle avoidance procedure is started, and obstacle avoidance is conducted. The intelligent obstacle avoidance tower crane is high in intelligent level, obstacle interference is avoided, data are accurate, digital management and monitoring are integrated, and thus the tower crane is more stable when working.

The invention discloses an automatic sampling device for seabed sediments comprising an outer cylinder, a sampling inner cylinder, a stepping driving mechanism and a guide assembly; the stepping driving mechanism is installed on an upper installation plate at the upper end of the outer cylinder, the output end of the stepping driving mechanism is connected with the top of the sampling inner cylinder, the lower end of a guide shaft in the guide assembly is connected with a guide connecting plate at the top of the sampling inner cylinder, the lower end surface of the outer cylinder is further provided with a sliding sample-holding base plate capable of horizontally moving, the sliding sample-holding base plate is connected with a sample-holding driving mechanism, the sample-holding driving mechanism comprises an installation disc, a rack, a driving gear and a driving motor, the driving motor is fixed on the installation disc through an installation bracket, the driving gear is arranged at the output shaft end of the driving motor and is meshed with the rack arranged on the sliding sample-holding base plate, the top surface of the sliding sample-holding base plate is in sliding contact with the lower end surface of the sampling inner cylinder, the bottom surface of the sliding sample-holding base plate is in sliding contact with the upper surface of the installation disc, and theinstallation disc is fixed on the lower end surface of the outer cylinder through a connecting column.

The invention provides an endoscope system with an anti-interference capacity and a surgical navigation function. A surgical navigation subsystem is realized by an inertial navigation module, and the inertial navigation module comprises three sensors, i.e., a triaxial accelerometer, a triaxial gyroscope and a triaxial magnetometer. Depending on a micro-electro-mechanical system technique, the navigation subsystem can be integrated in a handle of an endoscope, so that the endoscope has a positioning function. In a positioning algorithm, through proper anti-interference treatment, positioning errors caused by external magnetic fields and movement of the endoscope are reduced, and the positioning stability and accuracy are improved.

The invention discloses a cryopreservation bag used to store liquid nitrogen freezing materials, belonging to the technical field of cryopreservation. The bag comprises a bag body (1) and a bag mouth (2); the bag body (1) is made of nylon or polyester bolting silk which can resist the ultra-low temperature of minus 198 DEG C and the high temperature of 120 DEG C; a keyhole (3) is arranged at either side, 0.5 to 1.0 cm from top margin; the upper end margin of the bag body (1) is turned downward and is sewn into an annular channel (4) with a keyhole (3), forming the bag mouth (2); a drawing rope (5) is arranged in the annular channel (4); thus the bag is formed. The cryopreservation bag used to store liquid nitrogen freezing materials has the advantages that the bag can resist the ultra-low temperature as well as high temperature disinfection; the bag has strong permeability and excellent air permeability, improving the freezing speed of the sample and avoiding the problem of the expansion of the bag; the cryopreservation bag improves the operation efficiency and safety of liquid nitrogen freezing and can be used in scientific research or production field about materials needed to be stored with liquid nitrogen.

The embodiment of the invention discloses a secure type indwelling needle and a shielding cap and is used for prevent a medical personnel from being punctured by a puncture needle. The secure type indwelling needle provided by the embodiment comprises an indwelling catheter component 1, a puncture needle component 2 and a shielding cap 3; after the puncture needle component 2 is pulled out, the puncture needle component 2 is accommodated inside the shielding cap 3; and when the puncture needle component 2 exits from a front end limitation device 31, the front end limitation device 31 deviates from an original position and slides towards a lower part under the action of gravity so as to stop an extending channel 33 and prevent a puncture needle 21 from reversely passing. A back end limitation position 32 can prevent the puncture needle component 2 from leaving the shielding cap 3; thus, the puncture needle component 2 and the indwelling catheter component 1 are separated, and the puncture needle component 2 is safely discarded, so that the medical personnel is prevented from being punctured by a puncture needle; because the volume of the shielding cap 3 is smaller than that of a complete protection housing in the prior art, the secure type indwelling needle is more conveniently used by the medical personnel.

The invention relates to the technical field of pipe connection, in particular to a novel rotary buckle type pipe quick connection joint. The novel rotary buckle type pipe quick connection joint is applicable to a pipe connection system, connection structures can be inserted in the axial direction, rotate relatively in the axial direction and interlock in a buckled mode, the deficiencies that in a majority of existing threaded pipe connection modes, operation is inconvenient, disassembly and assembly cannot be conducted rapidly, time and labor are consumed, and joints cannot be dismounted and replaced due to corrosion when being used for a long time are overcome, and convenience is brought for the situations that the space is limited and pipe connection is required; the situation that the pipes are installed to be in the twisted state for a long time can be avoided; quick disassembly and assembly of various pipes can be achieved, operation is facilitated, safety and reliability are achieved, the structure is simple, production cost is low, on the premise that an existing pipe system is not changed, quick disassembly and assembly can be achieved after the joint is directly connected with various existing pipe products, and therefore product popularization is facilitated.

The invention discloses a viewing device, method and mobile terminal of a notification message. The device is characterized by comprising a detection module, a unlocking module, and a presentation module, wherein the detection module is used for receiving the notification message at an intelligent terminal and detecting whether receiving a trigger signal in a corresponding position region for presenting the notification message when a screen of the intelligent terminal is lightened; the unlocking module is used for judging whether receiving the fingerprint in the position region under the condition of receiving the trigger signal, and unlocking the intelligent terminal under the condition that the received fingerprint is matched with the preset fingerprint; the presentation module is used for presenting specific content of the notification message on the successfully unlocked screen. By use of the method and device disclosed by the invention, when the trigger signal is located in the position region corresponding to the notification message, the screen is unlocked by scanning the fingerprint of a finger for triggering the signal, and the specific content of the notification message is directly presented on the screen; the procedures of unlocking and viewing the specific content of the notification message of the prior art can be completed through one-step operation; the operation procedure is simple, and the user experience is good.

The invention discloses intelligent tower crane equipment and a method for dynamically equilibrating a balance weight device of the intelligent tower crane equipment. The intelligent tower crane equipment comprises a tower crane frame, a crane jib, a cargo hoisting mechanism, the balance weight device and a command bin, wherein the tower crane frame is arranged vertically; the crane jib is perpendicular to the tower crane frame; the cargo hoisting mechanism is arranged below a hoisting arm; the balance weight device is arranged below a balancing arm; the command bin is positioned at a positionwhere the crane jib is intersected with the tower crane frame; a server for controlling running of the crane jib and a rotating plate are arranged in the command bin; a tension sensor which is used for monitoring a hoisted heavy object in real time is arranged on the cargo hoisting mechanism; and stress sensors for measuring the torques, speeds and weights of the balance weight device and the hoisted heavy object are separately arranged on the hoisting arm and the balancing arm. The intelligent tower crane equipment is high in intelligence, the problem that a tower crane in the prior art is not reasonable in structural design, inconvenient to operate and low in carrying efficiency is solved, the position of the balance weight device can be adjusted according to the weight of the hoisted heavy object, and thus, the tower crane works stably.

The invention discloses an intelligent obstacle avoidance tower crane capable of dynamically changing a balance weight. The intelligent obstacle avoidance tower crane comprises a vertically-arranged tower crane tower, a suspension arm perpendicular to the tower crane tower, a cargo hoisting mechanism arranged below a hoisting arm, a balance weight bin arranged below a balance arm, a rotating mechanism located at the intersection of the hoisting arm and the tower crane tower, and a command module located on the rotating mechanism. A server calculates real-time load torque of a hoisted object ofthe hoisting mechanism through stress sensors arranged on the balance arm and the hoisting arm, the horizontal movement distance of the balance weight bin is controlled through the real-time load torque, the server judges whether obstacles exist on a traveling path of the cargo hoisting mechanism or not, then obstacle avoidance is carried out, and thus the cargo hoisting mechanism is free of obstacle disturbance in the moving process. The intelligent obstacle avoidance tower crane is highly intelligent, the problem that quick and accurate obstacle avoidance cannot be realized in the prior artis solved, the position of the balance weight can be adjusted according to the weight of the hoisted object, automatic balance of the balance weight is achieved for the tower crane, and thus the construction tower crane operates more stably.

The invention discloses an information processing method and an electronic device. N standard encrypted messages are preset in the electronic device and correspond to a first program, and M sensors are arranged on the electronic device, wherein M and N are positive integers larger than 2. The method includes the steps that a request message for executing the first program is acquired; the M sensors are controlled to collect N messages to be compared based on the request message; matching between each message to be compared and one standard encrypted message corresponding to message to be compared is carried out to generate N confidence coefficient matching values; when the N confidence coefficient matching values meet a first preset condition, the request message is responded to and the first program is executed.

The invention relates to an improvement method for an internal bypass structure of a cut-off valve. The internal bypass structure of the cut-off valve comprises a valve rod (1), a lock washer (2), a clamping sleeve (3), a valve clack (5), an elastic element (5) and a valve body (7), wherein the valve body is provided with an inlet cavity and an outlet cavity which are vertically crossed; the upper end of the valve rod is external threads and is screwed in the valve body. The improvement method for the internal bypass structure of the cut-off valve has the benefits that an auxiliary valve clack in an existing cut-off valve is deleted, the elastic element is additionally arranged, the elastic element is arranged on the valve rod in a sleeving way and is mounted in the valve clack through the local improvement of the valve rod, the clamping sleeve and the valve clack and in combination with the lock washer matched with the cut-off valve and the elastic element, the clamping sleeve arranged on the valve rod in a sleeving way and the lock washer are screwed in the valve clack through the valve rod, and the valve rod displaces downwardly and can realize the sealing of the outlet cavity of the valve body by the valve clack, and meanwhile, by the arrangement of the elastic element, the flexible connection between the valve rod and the valve clack is realized; rigid connection is changed into flexible connection, so that the opening torque or the closing the torque of the valve rod can be reduced, therefore, the special use demands of a deep diving device are met.

The invention provides a multifunctional insulated holding pole allowing live replacement of a high-voltage drop-out fuse. The multifunctional insulated holding pole comprises an insulating rod and awire locker. The insulating rod comprises an upper rod and a lower rod. The upper rod and the lower rod are connected by a connecting member. The connecting member comprises a clamping member for fixing the insulating rod on a cross arm, an elastic member for realizing the elastic operation of the clamping member, and a limiting member for preventing the upper rod and the lower rod from being detached when the clamping member is loosened. The insulating rod further includes a foreign matter removing fire-spraying device used in the replacement of the wire locker. The foreign matter removing fire-spraying device includes a base, a control unit disposed in the base, an ignition mechanism and a spraying mechanism. The base is an aluminum alloy base. The base is provided with a mounting hole therein. The mounting hole is a threaded hole. The upper end of the upper rod or the lower end of the lower rod is provided with an external thread. The foreign matter removing fire-spraying device isfixed to the upper end of the upper rod or the lower end of the lower rod by the cooperation of the external thread and the threaded hole. The upper and lower rods are telescopically arranged to adjust the length of the insulating rod, thereby realizing the versatility of the insulated holding pole.

The invention discloses a wood grooving robot with adjustable depth, which includes a workbench, an installation frame is installed above the workbench, a horizontal plate is installed on the top of the installation frame, and a perforation is opened inside the installation frame. The inside of the perforation is installed with a first roller, one end of the first roller is installed with a bearing, the outside of the first roller is covered with a blade, and the other end of the first roller is installed with a first motor , a hydraulic rod is installed above the first motor. The invention is scientific and reasonable in structure, safe and convenient to use, equipped with a hydraulic rod, which can freely adjust the depth of the slot opened by the slotting machine, and equipped with a roller and a brush, which can remove the residual sawdust on the surface of the wood after slotting, and is equipped with a funnel And the ash collection box can collect wood chips for secondary use. Velcro and protective curtains are installed to prevent wood chips from floating around and causing pollution to users and the environment.

The invention belongs to the field of medical apparatus and instruments, particularly relates to a shit and pee collecting device. The shit and pee collecting device comprises a bottle body, a bottle cover and a suction tube fixed on the bottle cover, wherein one end of the suction tube is inserted into the bottle body, the outer surface of the bottle body is provided with a fixed lantern ring, the fixed lantern ring is connected with a handle, and the tail end of the suction tube is provided with a key body. The outer surface of the bottle body is provided with the fixed lantern ring, the fixed lantern ring is connected with the handle, and the tail end of the suction tube is provided with the key body, so that the handle is held by a patient when a sample is collected, the sample is directly collected into the bottle body, the direct contact between ejection and the patient can be avoided, the device is clean and sanitary, and the sample is conveniently collected; and the tail end of the suction tube is provided with the key body, so that the device is convenient to use when the sample is checked by a doctor according to different samples.

The invention provides a waste circuit board processing method which comprises the following steps of: breaking and separation: firstly, directly breaking the circuit board, removing iron through magnetic separation, and removing resin powder through electrostatic separation to obtain metal powder; dissolving: placing the obtained metal powder in a mixed acid solution, and adding hydrogen peroxide to promote the dissolution; filtration: filtering the dissolved solution to obtain a solution containing metal ions; and ion exchange: extracting metal by use of ion exchange resin.

The invention discloses a preparation method of environment-friendly bait for pinna and belongs to the field of aquaculture. The method is characterized in that high quality benthic diatom is cultured by an optimized culture medium, magnetized water, green light, palm bark, a glass goldfish bowl and the like, and then the mixed bait for the pinna is prepared by taking the benthic diatom as a major component and adding a small amount of sheep manure, rabbit manure, porcine blood powder, yeast powder, corn distiller, potamogeton malaianus powder, water caltrop powder, hydrilla varticillata powder, bone tankage, earthworm powder, fly maggot powder, artemia powder, kelp powder, garlic powder, methionine, lysine, potato powder, locust powder, lucerne meal, clam worm powder, trash fish and spiral shell meat meal. The bait is scientific and reasonable in formulation, nutrient-rich and lower in cost, is used for feeding the pinna and does not pollute water, the pinna grows quickly, has a strong constitution and is high in survival rate, and the yield is increased by 160%.

The utility model provides a urine catheterization device which comprises a urinary catheter, a drainage tube and an auxiliary sealing element. A urine inlet and a urine outlet are formed in the urinary catheter body. The end, close to the urine inlet, of the urinary catheter body is the inserting end, and the end, close to the urine outlet, of the urinary catheter body is the discharging end. The discharging end of the urinary catheter body is used for being communicated with the connection end at the top end of a drainage tube body, and the tail end of the drainage tube body is communicated with a container for storing urine. The auxiliary sealing element is used for containing the discharging end of the urinary catheter and the connection end of the drainage tube, isolating the discharging end and the connection end from the outside and sealing the discharging end and the connection end. According to the urine catheterization device, the auxiliary sealing element solves the technical problem of pollution to the connection position between the urinary catheter and the drainage tube and can effectively isolate the connection position from the outside and seal the connection position, a urine bag can be replaced conveniently, and the connection position is still in the seal and protection state after the urine bag is replaced again.

A slide fastener opener for preventing an insert from sliding together with a slider starting to move even if the insert inserted into the opener is not held or the slider is operated by a single hand. The opener is equipped with a pivot (2) for holding the slider at an end of one of fastener stringers (9) attached and the slider and the insert (3) to be inserted into the pivot (2) attached at an end of the other stringer (9). The pivot (2) is equipped with a holding part (21) formed of a recessed groove (22) and a J-shaped pivot (30) capable of fitting a pivot shaft (43) provided on the insert (3) at its end, an engaging part (20) protruding into the recessed groove (22), and a dent (42) on a side rim of an insert plate (41) of the insert (3) to form an engaged part (40). The opener is formed to prevent the engaging part (20) and the engaged part (40) from engaging and sliding together with the slider starting to move.