194results about How to "Short operating time" patented technology

The invention discloses a sandwiched stapler type alimentary tract anastomosis dissecting sealer, relating to the surgical instruments. The invention provides a sandwiched stapler type alimentary tract anastomosis dissecting sealer which can prevent the alimentary tract anastomotic stoma from tearing, leaking and errhysis from the cut section in surgical operations. The sandwiched stapler type alimentary tract anastomosis dissecting sealer is provided with a nail anvil (which is also called as a bottom needle holder), a nail cartridge (which is also called as a nail anvil box), a sealer body, a movable handle, an adjusting button, a cutter cushion and an anastomosing nail (which is also called as a suturing nail), wherein the nail anvil is connected with the front end of the sealer body, the adjusting button is arranged at the tail part of the sealer body, the movable handle is arranged at the back of the sealer body, a safety button is arranged at the connection of the movable handle and the sealer body, the cutter cushion is arranged on the nail anvil, the anastomosing nail is arranged at the front end part of the sealer body, a membrane is arranged on the surface of the nail anvil (which is also called as the bottom needle holder), and a membrane is also arranged on the surface of the nail cartridge (which is also called as the nail anvil box); and after stapling, a sandwich structure consisting of the membrane, an intestinal wall and the membrane is formed.

A plug-type spinal retrieving device includes a retrieval rod; a fastening screw assembly including a fastening screw and a C-shaped ring having a convex outer surface; a plug; and a fixation seat having a receiving hole in which the retrieval rod is slidably received, a fastening hole having a concave wall in which the C-shaped ring is rotatably received, and an interconnecting hole through which the receiving hole communicates with the fastening hole. The C-shaped ring is mounted on the fastening screw, so that the fastening screw is grasped by the C-shaped ring, when the C-shaped ring is received in the fastening hole of the fixation seat. The C-shaped ring and the retrieval rod are immobilized in the fastening hole and the receiving hole of the fixation seat by inserting the plug into the interconnecting hole.

A medical assembly comprises a soft tissue implant (16) for treating a first portion of body tissue during hernia repair, and a device (20). The device (20) comprises a support element (31) to support the soft tissue implant (16) during deployment. The device (20) comprises an elongate drawstring to releasably couple the soft tissue implant (16) to the support element (31). The support element (31) and the soft tissue implant (16) are movable between a collapsed delivery configuration, and an expanded deployment configuration. During deployment a second end (33) of the support element (31) engages with a second portion of body tissue to maintain the second portion of body tissue spaced-apart from the soft tissue implant (16). The support element (31) comprises an access opening (34) through which one or more instruments may be extended to access the soft tissue implant (16). The soft tissue implant (16) is attached to the first portion of body tissue using a suture. After deployment the support element (31) may be released from the soft tissue implant (16) and removed.

An ejector including a nozzle communicating with a fluid inlet, a diffuser communicating with a fluid outlet, and a decompression chamber placed between the nozzle and he diffuser. The ejector is arranged to generate a negative pressure in the decompression chamber by a fluid ejected from the nozzle. A target negative pressure P in the decompression chamber is set in a range of “40 kPa<P≦50 kPa”. A SD/Sd ratio between a sectional area SD of an inlet of the diffuser and a sectional area Sd of an outlet of the nozzle is determined to meet a relation:

“1.20≦SD/Sd≦4.08−0.047P”.

Methods and systems are provided for monitoring a fuel vapor recovery system including a fuel tank isolation valve coupled between a fuel tank and a canister. During selected conditions, the valve is modulated and pressure pulsations in the fuel vapor recovery system are monitored. Valve degradation is identified based on correlations between the valve modulation and the resultant pressure pulsations.

The invention relates to a method for rapidly processing and extracting nucleic acids from various trace clinical samples. The method comprises the following steps: cracking cells; absorbing by a filter membrane; and leaching and extracting nucleic acids (DNA and RNA). The invention also relates to a kit for rapidly extracting nucleic acids from clinical samples and application thereof.

The invention relates to a method and a device for stabilizing a car-trailer combination, including a towing vehicle and a trailer moved by the towing vehicle, wherein the towing vehicle is monitored in terms of rolling motions and measures that stabilize driving are taken upon the detection of an actual or expected unstable driving performance of the towing vehicle or the car-trailer combination. In order to be able to perform, in a timely manner, an intervention on the towing vehicle that stabilizes driving, the invention provides that the measures that stabilize driving are controlled in dependence on the yaw acceleration.

The invention discloses a non-disturbance type supporting structure used for tunnel vault collapsed cavity processing. The supporting structure comprises a concrete reinforcement net layer laid on a wall face of a collapsed cavity and a protection arc erected along the fracture surface of the collapsed cavity. The protection arc is arranged under the concrete reinforcement net layer. Multiple support pieces are arranged between the protection arc and the concrete reinforcement net layer. The space between the arc back of the protection arc and the inner wall of the concrete reinforcement net layer is filled by arch back backfill layers. Compared with the new Austrian tunneling method, the supporting idea is more advanced by following the principle that surrounding racks and lining structures bearing load together, so the lining structures are allowed to actively participate in load bearing to the greatest extent. The wall face of the collapsed cavity will not be nearly disturbed in the implementation process, so construction risks in the collapsed cavity processing process and potential operation risks are reduced.

The invention relates to a personalized interbody fusion cage design method based on topological optimization and bony reconstitution simulation. The method includes the steps of conducting CT/MRI scanning on a vertebral body, segmenting a CT/MRI continuous cross-sectional image of the vertebral body, establishing a three-dimensional model, establishing a finite element model through the substeps of grid dividing and smoothing, material assignment, boundary condition setting, mechanical loading and the like, conducting the topological optimization design on an interbody fusion cage through a density-variable method, and evaluating whether the design is reasonable or not by conducting bony reconstitution numerical analogue simulation on the vertebral body and the cage bone filling area according to the adaptation bony reconstitution theory on the basis of the strain energy density.

The invention provides a preparation method of peony general glycoside, which comprises the following steps: soaking radix paeoniae alba or red paeonia in 2-10 times (weight) of hydrophilic solvent, wherein the hydrophilic solvent is water or a water solution containing less than 30% of methanol, ethanol, propanol and isopropanol; after soaking, percolating at low temperature of 5-40 DEG C; and concentrating the percolate, filtering to obtain the extracting solution, and passing the extracting solution through macroporous resin. The transfer rate of penoniflorin and peony Albiflorin is 85-90%, and the purity of the peony general glycoside extract is high.

The invention discloses a long bone resetting robot in series-parallel connection, which comprises a serial connection part and a parallel connection part, wherein the serial connection part comprises a near-end fixing mechanism and a far-end fixing mechanism which are connected or disconnected through a positioning rod; each of the near-end fixing mechanism and the far-end fixing mechanism comprises a fixing plate, a locking bolt, a connecting rod, a connecting rod mounting base, a bracket rod and a latch clamping mechanism; the latch clamping mechanism comprises a connecting bolt and a latch; the parallel connection part comprises a far-end platform panel, a far-end platform connecting plate, a far-end platform pressing plate, a near-end platform panel, a near-end platform connecting plate, a near-end platform pressing plate and a stretching rod mechanism; and the stretching rod mechanism comprises a connecting hinge, a sleeve and a connecting rod. The long bone resetting robot in series-parallel connection is mainly used for realizing a function of assisting the resetting of long bone fracture by the robot under a closed condition. The long bone resetting robot in series-parallel connection has the characteristics of flexible mechanism, large work space, convenience in operation, and the like, and has an excellent application prospect.

The present invention discloses a screen control method, comprising the steps that: when a touch terminal is in a use state, if the touch terminal does not satisfy a first preset condition within first preset time, the touch terminal switches to a sub-low-power state; after the touch terminal switches to the sub-low-power state, if the touch terminal satisfies a second preset condition within second preset time, the touch terminal switches to the use state. The method provided by the embodiment of the present invention can improve human-computer interaction capacity and transaction processing efficiency of the touch terminal. The embodiment of the present invention also discloses a related device and a touch terminal.

The invention discloses a method for rapidly and stably starting a wastewater nitrite type mixotrophic desulfurization and denitrification system. The method comprises the following steps: controlling ecological factors in stages by virtue of a three-step method, respectively creating an anaerobic environment favorable for improving the activities of sulfur-autotrophic nitrate microbes, mixotrophic nitrate microbes and mixotrophic nitrite microbes, and promoting rapid formation of different functional floras, so that the complexity of the micro flora is reduced. According to the start method disclosed by the invention, stable operation of the desulfurization and denitrification process under high load conditions is promoted, the starting time is reduced, the stability of the system is enhanced, and after the system is started, the removal rate of sulfides and nitrite can rapidly reach 100 percent, the removal rate of the organic matters can be over 90 percent, the yield of elemental sulfur is high and is always over 80 percent, subsequent high-efficiency recovery of the elemental sulfur is promoted, and the wastes are recycled.

The invention relates to a curved surface cutting trajectory obtaining method based on an STL model. The method comprises the steps that (1) all cut surface coordinate sets are determined according to the highest point and the lowest point of the model; (2) a cut surface is positioned, wherein triangular patch coordinates are used for positioning the index value of the corresponding cut surface in the coordinate set according to a hash function, and cut surface coordinates with an intersection point are obtained through the index value; (3) the intersection points of the cut surface and triangular patches are calculated to obtain section lines; (4) the section lines are ranked to obtain a cutting trajectory. According to the curved surface cutting trajectory obtaining method, in the layering process, each triangular patch is only visited once, and no complex topology structure needs to be built for the read triangular patches. After offset is conducted on the obtained curved surface cutting trajectory, the curved surface cutting trajectory can be used for generating a numerical control ring cutting machining tool path.

The invention discloses a method for separating carnosic acid from a rosemary leaf extract. The method comprises the following steps of: dispersing column chromatography silica gel in a phosphoric acid-ethanol solution, vacuumizing, ultrasonically soaking, recycling ethanol and drying to obtain a phosphoric acid-silica gel stationary phase; filling the phosphoric acid-silica gel stationary phase into a chromatography column tube, imported with high-purity nitrogen for protection, to obtain a phosphoric acid-silica gel chromatography column; and dissolving the rosemary leaf extract in ethyl acetate, adding the phosphoric acid-silica gel stationary phase into the mixture, fully stirring to recycle the ethyl acetate to obtain a stationary phase adsorbing the rosemary leaf extract, adding thestationary phase adsorbing the rosemary leaf extract into the phosphoric acid-silica gel chromatography column, eluting, collecting fractions and performing vacuum drying to obtain carnosic acid. By adopting the method, the carnosic acid is separated independently only by once column chromatography, the column chromatography time is short, the purity is up to 92 percent, and the application of a product in the market is promoted.

The invention relates to a preparation method of a light/humidity dual-curing polyurethane hot melt adhesive. The preparation method comprises the following steps of: introducing N2 into an HDI (hexamethylene diisocyanate) tripolymer, removing water vapor, carrying out a protective reaction, respectively adding a polymerization inhibitor and a catalyst and dropwisely adding HEA (hydroxyethyl acrylate); after dropwisely adding and reacting, adding polyisocyanate, and stirring uniformly to obtain 3HDI-HEA/polyisocyanate; heating and fusing polyalcohol and stirring for dehydration; adding the 3HDI-HEA/polyisocyanate and the catalyst; discharging after reacting, packaging the sample with an aluminum foil bag for standby application to obtain a light/humidity dual-curing polyurethane hot melt adhesive prepolymer; melting the prepolymer, and adding a photoinitiator, a polymerization inhibitor, a plasticizer and the catalyst, stirring uniformly in a molten state, rising the temperature and removing air bubbles; and ending stirring and discharging to obtain the light/humidity dual-curing polyurethane hot melt adhesive. The obtained hot melt adhesive has high initial bonding strength and final strength.

The invention relates to an environmental analysis detection method, and specifically, relates to a high performance liquid chromatography determination method of tetracycline antibiotic in soil. The high performance liquid chromatography determination method of tetracycline antibiotic in soil comprises the following steps of 1, a sample collecting and preparation process comprising collecting soil in a plough layer having thickness of 0 to 20 centimeters, wherein soil in a composting place and field edges is not adopted, uniformly mixing multiple single-point samples, carrying out quarteringreduction to obtain a mixed soil sample having weight of about 1kg, putting the mixed soil sample into a sealing bag, bringing the sealing bag with the mixed soil sample back with low-temperature preservation in the dark, putting the mixed soil sample into a room, drying in air, crushing, screening by a nylon sieve of 60 meshes, and weighing 2g of the mixed soil sample for next use, 2, an extractpreparation process, 3, an extraction, purification and enrichment process, and 4, an elution, volume metering and detection process. The high performance liquid chromatography determination method of tetracycline antibiotic in soil has normalized processes, reduces a vacuum drying process, produces low jamming, shortens operation time and improves operation accuracy. Through connection between astrong anion solid phase extraction column and a C18 inverted solid phase extraction column in series, purification and enrichment effects are greatly improved.

The invention provides a solid phase extraction method for extracting total astaxanthin from haematococcus pluvialis, comprising the following steps of: (1) solid extraction: uniformly mixing haematococcus pluvialis with silica gel at the weight ratio of 1:1-5:1, adding 1-5mL of methanol, 10-20mL of petroleum ether and 1-5mL of methylene chloride into 10g of haematococcus pluvialis, stirring and extracting for 0.1-1h, and putting the extracted mixture into a chromatography column; (2) elution: carrying out elution by the use of methanol and collecting a red eluant part; and (3) condensation: carrying out underpressure distillation on the red eluant part to obtain a dark red astaxanthin oily liquid. The solid extraction method provided by the invention has advantages of simple operation step, short time, high recovery rate, low consumption of the organic solvent, little environmental pollution and low production cost, and is easy for industrial scale-up.

A head mount display includes a first frame, a display, a second frame, and a junction. The display is mountable on the first frame. The second frame is configured to be pivotably connected to the first frame and includes a circuit module. The circuit module includes a power circuit configured to supply power to the display. The junction is configured to electrically connect the display and the circuit module.

The invention discloses a gesture-based alarm clock control method and an intelligent terminal. The method comprises the following steps: after a preset alarm clock moment is reached, starting an alarm clock function; detecting touch control signals acting on a touch screen of the intelligent terminal; if a long-time screen pressing touch control signal is detected, closing the alarm clock function; if a screen swiping touch control signal is detected, starting a nap function. After a user presses the touch screen for a long time, the alarm clock function can be closed; after the user swipes the touch screen, the nap function can be started; the user can control an alarm clock with no need for viewing an alarm clock menu of a user interface of the touch screen; according to the technical scheme, the alarm clock can be more conveniently controlled, the gesture motion is simple, the experience of the user is good, and electric energy can be saved.

The invention discloses butt welding and lead lap welding processes of enameled flat copper wires of a transformer. During welding, the process comprises the following steps of: (1) eliminating paint films of parts to be welded of two flat copper wires; (2) placing the parts to be welded of the two flat copper wires on a clamping mechanism for butt welding, and turning on a butt welding machine to heat the flat copper wires till the flat copper wires become red; (3) applying welding rods along the gap between the parts to be welded of the two flat copper wires so that the welding rods are completely molten in the gap, and then turning off the butt welding machine; and (4) removing the butt welding machine, and cleaning welding lines by using a grater after the flat copper wires are cooled to normal temperature. Compared with the traditional process that a gas welding manner is adopted for the butt joint and lead lap joint processes of the flat copper wires, the processes disclosed by the invention have the advantages of being short in operation time and high in efficiency, effectively increasing the production efficiency of the transformer and ensuring the welding quality of transformer conducting wires.

The invention relates to an automatic-expansion patch and a using method of the automatic-expansion patch. The automatic-expansion patch overcomes the defect that an existing patch is soft on the whole and can be conveniently contracted, but the patch cannot be conveniently expanded to be flat so as to cover a weak area or a defect area. A net sheet is combined with an automatic-expansion reinforcing support, and the support is arranged in a radiating mode relative to the center of the patch; meshes of the net sheet cover the surface of the support. Due to the fact that the net sheet is combined with the automatic-expansion reinforcing support, before the patch is used, the support is soft, and contraction of the patch cannot be affected. After the patch is put into a human body, the support expands automatically or through the external force, the support is arranged in the radiating mode, and therefore the support can support the whole patch, portions without expanding cannot be reserved on the patch, the expansion effect is good, the operation that a machine stretches into the interior to conduct manual intervention is not required, expansion of the patch is accomplished at one time, and the operation time is short.

The invention relates to the field of a drop-out fuse in a distribution line of a power grid, and particularly relates to an operation method for replacing a 10kV drop-out fuse in an on-load manner. The operation method is characterized in that an insulation drainage wire bypass drop-out fuse is directly connected with the two ends of the drop-out fuse to be replaced for splitting current, and thus the 10kV drop-out fuse is replaced in the on-load manner and under the condition of continuously charging a load. Compared with the prior art, the operation method has the beneficial effects that the load on the lower end of equipment can be charged continuously in the operation period, and when the on-load operation is implemented by an electrified operation method, the delivery time and the redelivery time of the equipment can be avoided, the operation flow is shortened, and the electricity utilization of a user can not be affected in the operation period; the failure rate of 10kV primary equipment can be reduced greatly, and the power supply quality can be improved effectively; and the drop-out fuse is replaced in the on-load manner and with an insulation drainage wire, the operation is conducted by a double-man double-insulation bucket truck, the operation time is short, few tools are used, resources can be saved effectively, and the power supply reliability is improved.

Engagement catheter devices, systems, and methods to use the same under suctional tissue engagement. A method of the present disclosure comprises the steps of engaging a targeted tissue under suction/vacuum using an engagement catheter, delivering a substance into or through the targeted tissue using a needle positioned within a first lumen of the engagement catheter, injecting a fluid within the first lumen of the engagement catheter to flush at least part of the first lumen with the fluid, and suctionally removing the injected fluid from within the first lumen of the engagement catheter.

The invention discloses a shelter lifting mechanism which comprises a movable supporting rod arranged inside a sleeve and a driving device for driving the movable supporting rod and the sleeve to move relatively. The sleeve is provided with a first chain wheel and a second chain wheel. The first chain wheel is arranged above the second chain wheel, a chain is connected between the first chain wheel and the second chain wheel in matching mode, the chain is arranged inside the sleeve, the driving device drives the chain to lift inside the sleeve, and the chain drives the movable supporting rod to lift inside the sleeve. The chain is adopted for driving the movable supporting rod to lift relatively in the sleeve, transmission speed ratio is large, lifting speed is high, the efficiency is high, the cost is low, manufacture and installing are convenient, and the shelter lifting mechanism is especially suitable for severe environments such as a sandy and windy environment and safe and reliable.

The invention relates to the field of 10kV pole-mounted disconnectors, in particular to an operation method for on-load replacing of a 10kV pole-mounted disconnector. The operation method is characterized in that insulating current guiding lines are electrifiedly and directly connected, by an insulating glove operation method, to two ends of the pole-mounted disconnector for current shunting, and operations are performed through a double-man double-insulating-bucket-arm truck. Compared with the prior art, the operation method has the advantages that 1) by using the insulating current guiding line current shunting method for on-load replacing of the 10kV pole-mounted disconnector, power supply for lower-end load of equipment can be continued during operation, equipment launching and relanunching can be avoided during on-load operations utilizing an electrified method, operation process is shortened, power supply reliability is improved effectively, and power utilization of users is not influenced during the operation; 2) fault rate of 10kV primary equipment can be reduced greatly, and power supply quality is improved effectively; and 3) by the operation utilizing the double-man double-insulating-bucket-arm truck, operation time is short, few tools are used, energy is saved effectively, and power supply quality is improved.

The invention discloses anorthopedic limit drilling device with damping and protecting effect. The drilling device mainly comprises an electric borer and a drill sleeve. The drill sleeve and an ultrasonic sensor arranged in a drill bit are capable of effectively preventing excessive drilling. The viscous fluid of a fluid damper is capable of buffering the impact force of the drill bit, reducing the acceleration of the drill bit at the drilling moment and avoiding excessive drilling in the process of piercing. A damping spring arranged at the middle of an active piston plate and a fixing piston plate is capable of offsetting parts of impact of the drill bit and improving stability. A bearing arranged in a bearing device which is arranged at the upper end of the drill sleeve is capable of synchronously rotating together with the drill bit so as to prevent the whole drill sleeve from the impact of drill bit torque. The drill device has the advantages of high drilling precision, controllable drilling depth, operational convenience, short operation time and capability of relieving patients' sufferings.

The invention relates to an integrated camera visual vacuum suction device, which comprises a double-cavity suction tube, wherein a vacuum suction cavity and a lateral cavity are arranged inside the double-cavity suction tube; the head end of the vacuum suction cavity is provided with a vacuum suction opening; a signal wire is arranged in the lateral cavity; the head end of the lateral cavity is connected with a miniature camera; the signal wire is connected with the miniature camera; the front end of the miniature camera is provided with an eclosion lens; the front end of the miniature camera is also provided with an LED (light emitting diode) patch lamp; the tail part of the double-cavity suction tube is provided with a handle; the tail end of the double-cavity suction tube is provided with a negative pressure connecting head; the tail end of the signal wire is connected with a video connector; the video connector is arranged at the tail end of the handle. The integrated camera visual vacuum suction device has the advantages that the structure is reasonable; the operation is fast; light weight and flexibility are realized; the success rate is high; the safety is high; the work intensity of physicians is effectively reduced; the injury on human body tissues is reduced.

The present invention provides an oil-containing sludge extraction method with excellent performances. According to the method, oil-containing sludge and a small amount of an extraction solvent are subjected to a high temperature and autogenic pressure in a closed container so as to make the solvent permeate and replace the oil component in the oil mud to a great degree, and then the oil component is completely separated under drive of the high dose solvent, wherein the extraction solvent contains a main agent A, a vice agent B and an auxiliary agent C, wherein the main agent A is distillate oil with a boiling range of 110-135 DEG C, the vice agent B is distillate oil with a boiling range of 140-150 DEG C, the auxiliary agent C is distillate oil with a boiling range of 80-100 DEG C or an industrial pure product, and the distillate oil is naphtha, light oil and the like. According to the extraction method, during the extraction process, the extraction time is short and the extraction effect is prominent, and the resource target of the oil-containing sludge is achieved to a greater degree.

The invention discloses a preparing method of bendopa methyl ester hydrochlorate, which is characterized by the following: adopting bendopa and carbinol as raw material through multi-distilling dehydrating method; modifying sulfone chloride method and hydrochloride method; removing water and esterifying water; accelerating the esterifying reaction to terminal; purifying bendopa methyl ester hydrochlorate through ligarine, skellysolve B, cyclohexane, cyclopentene and heptane.