39results about How to "Restore patency" patented technology

Disclosed herein are proximally-flaring stents and balloon catheter systems and methods for using the same to restore patency to a side branch and its ostium at a vessel bifurcation, where the side branch can only be approached from the direction of the main artery. The system and methods include a proximally-flaring stent (10) and one or more balloon catheters (250, 400) with inflatable balloons that are able to push a flanged proximal portion (40) of the proximally-flaring stent entirely against the artery walls of the main artery of the side branch so that blood flow is not occluded.

The invention relates to the technical field of vehicle damage assessment, and discloses a method and a system for assisting rapid damage assessment in a slight traffic accident, and the method comprises the steps: receiving a driving data sequence collected and sent by a vehicle-mounted information terminal after a vehicle-mounted device senses a collision, and receiving a picture of an accidentsite; Matching a corresponding vehicle brand and model in a preset vehicle information base according to the driving data sequence; Identifying a vehicle part to which the collision position belongs from the accident scene picture; Matching the replacement price of the vehicle part to which the collision position belongs in a preset vehicle part replacement price library according to the vehicle brand and model and the vehicle part to which the collision position belongs, and calculating the total replacement loss; And matching vehicles of two accident parties in the same traffic accident by utilizing the position of the vehicle and the accident occurrence time point, generating a slight traffic accident loss report and sending the slight traffic accident loss report. According to the method, the loss of the two vehicles can be quickly judged in the first time after a slight traffic accident, so that the two private vehicles do not compete for compensation money and stay on the scene for a long time.

The invention relates to special mechanical equipment for clearing ice and snow on the road in winter, in particular to a high-efficiency, safe and reliable ice breaking snow clearer, which comprises a tractor head. A front frame is arranged behind the tractor head, and a rear frame is connected with the back of the front frame through a coupler; a first ice breaking snow clearer and a second ice breaking snow clearer are sequentially arranged on the front frame, a third ice breaking snow clearer and a fourth ice breaking snow clearer are sequentially arranged on the rear frame, and four ice breaking snow clearers are provided with ice breaking wheels and a cleaning device; the ice breaking wheels are rolled to break the ice and snow layer on the road, the broken ice and snow are swept to the road side by the cleaning device which is arranged on the back of the ice breaking wheels, and then the broken ice and snow are carried away through a carrier vehicle, or naturally melted; and by using the four ice breaking and snow clearers, the ice and the snow on the road are cleared as much as possible, and the road is clear. The ice breaking snow clearer has the advantages of having high snow clearing efficiency, saving the labor force and reducing the labor intensity of workers.

The invention discloses an automobile tail gas three-way catalytic converter system. The automobile tail gas three-way catalytic converter system is provided with a carrier, a trapping body, an infrared heater, a sensor, a shell, a vibration attenuation layer, an air bypass pipe and a proportion bypass valve. The carrier has a honeycomb ceramic structure, and is arranged at the rear end of the shell; the trapping body is made of a tapping foaming metal material of which the surface is coated with an infrared coating material, and is arranged at the front end of the shell; the infrared heater is embedded at the expansion section of the air inlet of a catalytic converter; at the cold boot stage of an engine, an electronic control unit (ECU) controls the infrared heater to improve the temperature and the catalytic conversion rate of the tail gas; and when the temperature and differential pressure in the catalytic converter reach a certain range, the ECU controls the opening and closing of the infrared heater to promote unburnt products and complex on the trapping body to be gasified, and relieve the blockage condition of the catalytic converter. The system improves the conversion efficiency of the cold boot stage of the engine, traps and eliminates the unburnt products and the complex in the discharged gas and relieves the blockage condition of the catalytic converter, so that the service life of the system is prolonged.

Methods and system for treating obstructive sleep apnea and snoring are disclosed. The system generally comprises a mask for delivering pressurized air to patient's breathing orifice, a sensing mechanism for continuously assessing the state of patient's breathing and a pressure generator for generating the pressurized air in the mask. The pressurized air is applied to the breathing orifice only during selected portions of the breathing cycle, when such pressure might be required to prevent occlusion of the airway or to restore patency of the airway after such occlusion occurs.

The invention relates to a traditional Chinese medicinal composition for treating ectopic pregnancy, which comprises the following raw materials (by weight portion): seed of cowherb 10-30g, sappan wood 6-10g, root of red rooted saliva 10-20g, lycopus 9-12g, achyranthes and cyathula root 10-20g, motherwort 10-20g, Ligusticum wallichii 10-20g, Chinese angelica root 10-30g, atractylodes rhizome 6-10g, bupleurum root 6-12g, cyperus tuber 10-15g, spicebush root 9-15g, curcuma root 9-15g, prepared rhizome of rehmannia 10-30g, spatholobus stem, white mustard seed 10-15g, poria cocos wolf 10-20g, root of herbaceous peony 10-30g, licorice root 6-10g.

The invention discloses an expressway command and dispatch system and method based on road network big data. The system comprises a monitoring module which is used for monitoring the real-time road condition information and vehicle dynamic information of an expressway, a data collection module which is used for collecting real-time accident information on the expressway, a commanding and dispatching module which is used for carrying out analysis processing, emergency plan making and commanding and dispatching on accidents on the expressway, a cloud data center which is used for sharing and transmitting data, and a data interaction module which is used for carrying out data interaction and sharing with external users. The system overcomes the problems that in the prior art, due to the factthat the speed for processing accidents on the expressway is insufficient, the problem of road condition congestion cannot be solved in time, normal passing is seriously affected, and secondary accident danger is likely to be caused.

The invention discloses a medicament for treating exfetation and a preparation method thereof. The medicament is prepared from following raw materials in part by weight: 10 to 20 parts of root of red-rooted salvia, 10 to 20 parts of root of common peony, 7 to 10 parts of peach kernel, 4 to 7 parts of rhizoma sparganii, 4 to 7 parts of curcuma zedoary, 4 to 6 parts of frank incense, 4 to 6 parts of myrrh, 10 to 15 parts of pangolin scales, 4 to 7 parts of mongolian snakegourd root and 1 to 3 parts of centipede. The medicament is a novel medicament which is obtained by comparison, induction and conclusion and through development experiment and clinical application of the inventor for many years, can improve a pelvic internal environment, promotes the blood circulation of a pelvic cavity and metabolism and absorption of a pathological product, prevents adhesion, strengthens physique, reduces human chorionic gonadotropin (HCG), removes mass, smoothes a tubal, and has unique curative effect on the exfetation.

The invention discloses a reducible uterine tube umbrella mouth implanted type combined birth control device and belongs to the technical field of uterine tube blockage. The device has a key technical point that the device mainly comprises a sack body, wherein one side of the sack body is communicated with a water injection valve through a pipeline and the other side of the sack body is connected with a solid metal needle through a traction fixing thread. The device is simple in structure, convenient in installation and use, ideal in birth control effect and good in reducibility, and is used for reducible birth control of the female.

The invention discloses a medicament for treating extrauterine pregnancy, belonging to a traditional Chinese medicine preparation, in particular relating to a traditional Chinese medicine medicament used for treating extrauterine pregnancy. The medicament for treating extrauterine pregnancy is characterized by being prepared into the traditional Chinese medicine preparation from the following raw materials in parts by weight: 10-30 parts of radix trichosanthis, 20-30 parts of spreading hedyotis herb, 10-30 parts of salvia miltiorrhiza, 9-15 parts of peach kernels, 9-15 parts of safflowers, 10-20 parts of rhizoma sparganii, 10-20 parts of rhizoma zedoariae, 10-20 parts of radix cyathulae, 9-15 parts of radix linderae, 2-5 parts of centipede, 9-15 parts of leech, 9-15 parts of Chinese pangolin and 9-15 parts of radix pseudo-ginseng. The medicament has the pharmacological features of being capable of killing embryo, lowering HCG (Human Chorionic Gonadotropin), promoting Pelvic blood circulation and metabolism and absorption of pathological products, and further achieving the purpose of diminishing bumps and recovering the smoothness of fallopian tubes. Compared with the chemotherapy control group of western medicine, the medicament has the advantages of fast effect, short curative course, no side effect of chemotherapeutics, benefit for pregnancy of a patient after recovery, low extrauterine pregnancy recurrence rate and the like in terms of curative effects.

The present invention relates to methods, devices and systems for performing the removal of thrombus from a vessel lumen. More particularly the present invention relates to a thrombectomy system that includes an elongate catheter and a disposable aspiration pump and methods of performing medical procedures to remove clots, thrombus and emboli to re-establish the normal intravascular flow of blood.

The invention discloses a toilet automatic clogging elimination method. The method comprises the following steps that S101, a liquid level sensor in a toilet detects that the toilet is clogged; S102,a mechanical arm disposed near the toilet extends into the toilet to dredge the toilet; S103, the toilet automatically closes a lid, and the toilet automatically flushes water; S104, S102-S103 is repeatedly executed until the toilet is back to an unobstructed state or a user manually turns off a control switch of the mechanical arm. The toilet, especially a flush toilet, has high practicability and good stability, and when the toilet is clogged due to foreign objects, the toilet can automatically complete the step of removing the foreign objects to make the toilet back to the unobstructed state. The unobstructed toilet can continue to be used by the user, so that the user does not have to manually remove blockage or spend money entrusting others to clear the toilet blockage.

The invention discloses a medicinal composition for treating ectopic pregnancy and a preparation method thereof. The medicinal composition is prepared from the following main medicinal materials and auxiliaries in parts by weight: 50-80 parts of radices trichosanthis, 100-160 parts of rhizoma atractylodis macrocephalae, 50-80 parts of centipede, 60-96 parts of scorpion, 60-96 parts of ground beetle, 60-96 parts of madder, 60-96 parts of rhizoma sparganii, 40-64 parts of curcuma zedoary, 40-64 parts of astragalus membranaceus, 40-64 parts of lithospermum, 50-80 parts of immature bitter orange and 50-80 parts of liquorice. The medicament for treating ectopic pregnancy, prepared by the extraction method is simple in extraction process steps, is suitable for industrial production, has the advantages of high content of effective components, remarkable curative effect, good effect, safety, no side effect and low production cost, is convenient to take, and is an ideal medicine for activating blood to remove stasis, tonifying qi and preventing exhaustion, and treating both symptoms and root causes of ectopic pregnancy.

The invention discloses a method and system for detecting and solving a local area network attack. The method comprises the following steps: a server intercepts an MAC address of a client that manufactures a large number of messages, writes the MAC address in a notification message and sends the notification message; after the client receives the notification message, an alert box pops up to prompt a user of the client to stop sending spam messages in the case of MAC matching success, and the client assembles and returns a response messages to the server; after a switch receives the notification message sent by the server, the switch adds the information of the switch, forms a retrospective message and sends back the retrospective messages in a receiving port; and the notification messageis forwarded, a timer is generated at a forwarding port, when the timer is overtime, and if the retrospective message returned by the switch connected with the forwarding port is not received, the forwarding port is closed. The system comprises a server module, a client module and a switch module. By adoption of the method and system disclosed by the invention, the network congestion caused by thespam messages can be cleared.

The invention relates to a preparation method of a graphene moxibustion paste, in particular to sintering far-infrared ceramics by a special process. Graphites are used as raw materials, a fully-oxidized graphite oxide is obtained through the three stages of pre-oxidation, concentrated sulfuric acid and potassium permanganate oxidation and hydrogen peroxide final oxidation, harmless powders with a health care function are obtained through a strong reductant of vitamins C, the graphene moxibustion paste is finally obtained by being filled with old folium artemisiae argyi powders, placed for 3-5 years, with the best thermal moxibustion effect. The graphene moxibustion paste has the advantages of low cost, convenient use, long duration, remarkable effect and cyclic use.

The application discloses a kind of integrated hair concentrator multi-fault diagnosis method and equipment, relating to swimming pool water treatment technical field, wherein the method comprises: real-time acquisition inlet, hair filter section outlet, ultraviolet disinfection section import and outlet negative pressure P1,P2,P3 and P4;Calculate filtration pressure drop ΔP1 and disinfection pressure drop ΔP2;And first judge whether P1 is less than safety threshold to trigger anti-adsorption emergency stop;If not, based on the comparison of ΔP1 and ΔP2 and their respective cleaning reference value, accurately distinguish and diagnose hair filter section blockage or ultraviolet disinfection section internal blockage fault;If both are normal, based on radiation intensity, judge the efficiency of ultraviolet lamp tube.Secondly, the equipment includes corresponding negative pressure sensor, controller and actuator, wherein the ultraviolet disinfection section uses integrated built-in scraping type cleaning component.The application realizes the intelligent identification and directional maintenance of multi-stage fault, improves safety, energy efficiency and maintenance convenience.

A tissue treatment apparatus for restoring patency in a body vessel is provided. The tissue treatment apparatus includes an elongated catheter dimensioned for insertion within a body vessel having an at least partial occlusion. Proximal and distal expandable segments are mounted to the elongated catheter and are positionable adjacent the occlusion and are configured to transition from a first condition to a second expanded condition. A mesh in operative engagement with the proximal and distal expandable segments is expandable radially outwardly from the catheter upon corresponding transition of the proximal and distal expandable segments to the second condition. The mesh includes a conductive material adapted to transmit electrosurgical energy to treat and facilitate removal of the occlusion, to thereby assist in restoring patency within the body vessel.

Disclosed herein are proximally-flaring stents and balloon catheter systems and methods for using the same to restore patency to a side branch and its ostium at a vessel bifurcation, where the side branch can only be approached from the direction of the main artery. The system and methods include a proximally-flaring stent and one or more balloon catheters with inflatable balloons that are able to push a flanged proximal portion of the proximally-flaring stent entirely against the artery walls of the main artery of the side branch so that blood flow is not occluded.

The invention discloses an automobile tail gas three-way catalytic converter system. The automobile tail gas three-way catalytic converter system is provided with a carrier, a trapping body, an infrared heater, a sensor, a shell, a vibration attenuation layer, an air bypass pipe and a proportion bypass valve. The carrier has a honeycomb ceramic structure, and is arranged at the rear end of the shell; the trapping body is made of a tapping foaming metal material of which the surface is coated with an infrared coating material, and is arranged at the front end of the shell; the infrared heater is embedded at the expansion section of the air inlet of a catalytic converter; at the cold boot stage of an engine, an electronic control unit (ECU) controls the infrared heater to improve the temperature and the catalytic conversion rate of the tail gas; and when the temperature and differential pressure in the catalytic converter reach a certain range, the ECU controls the opening and closing of the infrared heater to promote unburnt products and complex on the trapping body to be gasified, and relieve the blockage condition of the catalytic converter. The system improves the conversion efficiency of the cold boot stage of the engine, traps and eliminates the unburnt products and the complex in the discharged gas and relieves the blockage condition of the catalytic converter, so that the service life of the system is prolonged.

A method and apparatus to direct a drug directly at the point needed for a specific duration for dialysis catheters which are made in standard sizes. Disclosed is a combination of a rate and duration-controlled infusion pump and reservoir and a pre-measured infusion catheter with a radiopaque distal tip. Along the length of the infusion catheter there is a luer lock connector and anti-leak valve. The invention is inserted into a dialysis catheter where the preset marking is aligned with the catheter hub and the distal infusion tip rest at or near the end of the dialysis catheter. The infusion unit is then activated, and the drug is delivered at the distal tip of the catheter, at or in the fibrin for maximum effect. The method of use and device saves time and resources as it can be deployed without the need for a surgical suite or heath care team.

The invention discloses an oral mucositis prevention gargling device for a patient, and relates to the technical field of medical instruments, the oral mucositis prevention gargling device comprises a liquid storage unit composed of a first cylinder and a second cylinder; the liquid conveying pump is mounted at the inner bottom of the first cylinder body and is connected to the gargling spray head through a liquid conveying pipeline; wherein a sealing disc is arranged in the second cylinder body, and the sealing disc divides the interior of the second cylinder body into an upper functional chamber and a lower negative pressure chamber; the four-way pipe is mounted on a top plate of the second barrel; the negative pressure pump is mounted in the negative pressure cavity and connected to the first connector of the four-way pipe through a negative pressure pipeline; the partition plate is fixed to the top of the sealing disc and divides the functional cavity into a washing cavity on one side and a collecting cavity on the other side, through the designed backwashing device, backwashing can be conducted on a pipeline, accumulated impurities are removed, the pipeline is recovered to be smooth, the blocking risk is reduced, and the continuity of the treatment process is guaranteed.

The present invention relates to methods, devices and systems for performing the removal of thrombus from a vessel lumen. More particularly the present invention relates to a thrombectomy system that includes an elongate catheter and a disposable aspiration pump and methods of performing medical procedures to remove clots, thrombus and emboli to re-establish the normal intravascular flow of blood.

The invention belongs to the technical field of orthopedic cleaning, and particularly relates to orthopedic wound cleaning and nursing equipment which comprises a cleaning sleeve, a back flushing ring and a cleaning ring are coaxially and fixedly connected to the inner circumferential wall of the cleaning sleeve, and a water inlet valve is fixedly connected to the outer circumferential wall of the cleaning sleeve. The output end of the water inlet valve is communicated with the backflushing ring and the cleaning ring, the input end of the water inlet valve is communicated with an external water pump, and the cleaning sleeve is fixedly communicated with a drainage pipe. Local isolation of a wound area is achieved through the symmetrically-arranged constraint air bags, a self-adaptive pressure switching mechanism composed of a moving plate, a blocking plate and a spring in the water inlet valve is used in cooperation with a back-flushing ring above the cleaning spray head, when the spray head is blocked, channels are automatically switched, reverse spraying is conducted, and blockages are removed; a liquid level monitoring mechanism composed of the floating plate and the touch switch is used for automatically closing the electromagnetic valve and the water pump when drainage is blocked.

The invention discloses an anaerobic online acid washing device. A first valve is arranged at one end, communicating with an anaerobic reactor, of a circulation pump water outlet pipe; a second valveis arranged at one end, communicating with the anaerobic reactor, of an anaerobic water outlet pipe; a third valve is arranged in a position of an input opening of the circulation pump water inlet pipe; the circulation pump water outlet pipe and the anaerobic water outlet pipe are communicated through an acid washing circulation pipe which is installed in advance; the circulation pump water inletpipe is connected with the acid washing water inlet pipe; a fourth valve is arranged on the acid washing circulation pipe; a fifth valve is arranged on the acid washing water inlet pipe. The anaerobiconline acid washing device has the advantages that the cleaning on the pipeline inside scale formation layer by the anaerobic reactor under the condition of not dismounting the pipeline and accessories can be realized; the pipeline flowing passage smoothness is recovered; the scale forming problem of the anaerobic circulation pipeline and the water outlet pipeline can be fast and effectively solved. The equipment overhaul is convenient and fast; the dismounting of the anaerobic reactor connection pipeline is not needed; the anaerobic COD removal efficiency can be stabilized at 90 percent or higher for a long time.

The invention discloses a special vehicle for obstacle clearance and rescue, comprising a vehicle chassis, a front boom assembly installed on the vehicle chassis, a front boom assembly lifting hydraulic cylinder, and a front boom assembly lifting hydraulic cylinder installed under the front boom. A rear boom assembly lifting hydraulic cylinder is provided, the rear boom assembly lifting hydrauliccylinder being installed under the rear boom assembly. A lift hydraulic cylinder control valve, a hydraulic pump, a hydraulic oil tank, a hydraulic pipe and that like of a boom assembly are also installed on the chassis of the vehicle, the hydraulic pump is driven by a power take-off device on the chassis of the vehicle, and the lifting hydraulic cylinder of the boom assembly, the control valve ofthe lifting hydraulic cylinder of the boom assembly, the hydraulic pump and the hydraulic oil tank are connected by the hydraulic pipe. The vehicle chassis can have a front and a rear cab, and can bedriven in two directions. The obstacle removal and rescue vehicle of the invention can realize two-way obstacle removal and rescue operation, and is suitable for the occasions where the road or the operation space is narrow, and the vehicle is inconvenient to turn around, or cannot turn around.

The invention relates to a DCR synangiosis therapy.The DCR synangiosis therapy comprises the following steps that 1, minimally invasive puncture intubation is performed; 2, angiography and accurate positioning are performed; 3, a 360-degree visual infusion synangiosis therapy is performed; 4, blood vessel dredging and circular recovery are performed.Due to the fact that osteocyte blood supply returns to normal, a pain symptom is relieved, and necrotic clerotin is repaired.The DCR synangiosis therapy has the advantages that a sophisticated arterial cannula technology is applied, medicines are directly infused and supplied into the blood vessel of the femoral head to achieve angiectasis and spasm elimination, eliminate thrombotic occlusion and recover the unobstructed blood vessel, and accordingly the blood supply of the femoral head is improved.The necrotic clerotin is gradually absorbed, or osteocyte proliferation, bone formation and femoral head repair are achieved.

The application discloses an oropharyngeal ventilation device for anesthesiology department based on an oxygen supply pipe and belongs to the field of medical appliances, which comprises a pipe body, a partition mechanism arranged on the pipe body and used for ensuring smooth ventilation and oxygen supply of a patient, a lubricating assembly arranged on the pipe body and used for overflowing physiological saline for lubrication when the pipe body is inserted into a laryngeal pipe of the patient, a detection assembly arranged at one end of the pipe body located in the laryngeal pipe of the patient and used for detecting whether the pipe body is blocked by secretions in the laryngeal pipe of the patient, and a suction assembly arranged in the pipe body and used for cooperating with the detection assembly to separate the secretions. The partition mechanism constructs independent gas flow paths in the pipe body, respectively ensures normal ventilation (discharge of carbon dioxide and inhalation of air) and stable oxygen supply of the patient, avoids mutual interference of the ventilation and oxygen supply gas flows, and ensures the integrity of the respiratory cycle.

A dialysis catheter clearance device comprising a medication delivery device configured to connect to the proximal end of the infusion catheter and selectively output an infusion drug into the infusion catheter. An infusion catheter having the proximal end and an opposing distal end, the proximal end of the infusion catheter connected to the medication delivery device, and the distal end of the infusion catheter having an opening through which medication exits the infusion catheter. An infusion catheter placement device is located at or near the distal tip of the infusion catheter and configured to expand to having an outer dimension that is greater than an inner dimension of the dialysis catheter when the infusion catheter placement device is outside the dialysis catheter and contract to an outer dimension that is less than the inner dimension of the dialysis catheter when the infusion catheter placement device is inside the dialysis catheter.