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80results about How to "Avoid douching" patented technology

Method and apparatus for prevention of catheter air intake

A system is disclosed for preventing air from entering a first catheter or cannula of a multi-catheter system. Air is prevented from entering the proximal end of the first catheter by an axially elongate chamber having an impeller, the chamber being affixed to the proximal end of the first catheter. The first catheter is affixed at an offset location, near the periphery of the chamber. The impeller is driven by a motor drive and imparts rotational energy to the fluid within the chamber forcing any air within the chamber to migrate to the center of the chamber by buoyancy effects. The air is removed through a port near the centerline of the chamber. Liquid removed with the air is returned to the chamber to minimize liquid loss during the procedure. Hemostasis valves or seals can be provided at the entrance and the exit of the chamber. A second catheter inserted through the chamber and into the first catheter is unable to entrain gas into the first catheter because any gas that enters the chamber is routed to the centerline of the chamber where it is removed. The first catheter can be a cannula or an introduction sheath, devices suited for endovascular access into the mammalian cardiovascular system where pressures may fall below ambient room pressure, a condition, which could encourage the possibility of air embolism to a patient. Inflow of fluid from an external pump scrubs the second catheter shaft of air bubbles attached by surface tension.
Owner:INDIAN WELLS MEDICAL

Glass washing flower basket

The invention discloses a glass washing flower basket which comprises two side plates, a first support plate, a second support plate, a third support plate and a blocking rod. The two side plates are arranged correspondingly. The first support plate is used for supporting one side edge of glass. The second support plate is used for supporting the lower edge of the glass and is relatively close to the first support plate. The third support plate is used for supporting the lower edge of the glass and is relatively far away from the first support plate. The first support plate, the second support plate and the third support plate are all fixedly connected between the two side plates. The position where the third support plate is placed is higher than that where the second support plate is placed. Clamp grooves for containing the edges of the glass are formed in the contacting faces, contacting the glass, of the first support plate, the second support plate and the third support plate. The blocking rod is used for blocking the other side edge of the glass. The blocking rod is detachably connected between the two side plates. According to the glass washing flower basket, the problem that blots and water spots can be easily left during a glass washing process can be effectively solved.
Owner:ADVANCED SOLAR POWER HANGZHOU

Dustproof device for conveyor

The invention discloses a dustproof device for a conveyor, and relates to the technical field of auxiliary equipment of the conveyor. The dustproof device comprises supporting frames, wherein the number of the supporting frames is two, and the two supporting frames are connected to the two side arms of the conveyor through bolts or screws. A protective frame is fixedly connected to the top surfaceof each supporting frame, the tops of the two protective frames are connected through a protective cover, a U-shaped seats is fixedly connected to each of the side faces, far away from each other, ofthe two protection frames, first rotating shafts are rotationally connected in the U-shaped seats, T-shaped shaft sleeves fixedly sleeve the first rotating shafts, the vertical ends of the T-shaped shaft sleeves are rotationally connected with second rotating shafts, and one ends of the second rotating shafts are fixedly connected with arc-shaped plates. According to the dustproof device, the protective covers are arranged on the protective frames, and the arc-shaped plates are arranged, so that the diffusion of dust particles in the conveying process can be effectively prevented, and the phenomenon that because nearby workers breathe in dust, diseases with great harm are caused is completely eradicated; and the device is convenient to detach and suitable for popularization.
Owner:JIESHOU XINLONG GRAIN & OIL MACHINING

Device and process for producing acetaminophen

The invention discloses a device and a process for producing acetaminophen. The device comprises a split-type reaction section and a rectifying section, wherein the reaction section is connected belowthe rectifying section in a sealed manner, the rectifying section is internally provided with a tower plate or filled with rectifying packing, and random packing is arranged below the rectifying section; the top of the rectifying section is provided with a collecting outlet and a reflux inlet, the collecting outlet is respectively connected with the reflux inlet and a condensing outlet through acondenser, the reaction section is a reinforced reactor, and is provided with a raw material inlet, a circulating outlet and a circulating inlet, the circulating outlet is connected with an inlet of acirculating pump, an outlet of the circulating pump is respectively connected with the circulating inlet, a heat exchanger and a product outlet, and an outlet of the heat exchanger is communicated above an inner liquid surface of the device. The device can be used for distilling moisture timely and guaranteeing reactant concentration, the reaction rate is high, the by-products are few, the energyconsumption is relatively low, the device has a compact structure, the site and space are saved, the reaction heat can be used as all or part of a heat source of the rectifying tower, the energy is saved, and the cost is reduced.
Owner:NANJING UNIV

Underground coal mine video monitoring system capable of automatically charging and cleaning a mirror surface and application thereof

The invention discloses an underground coal mine video monitoring system capable of automatically charging and cleaning a mirror surface and application thereof, and the underground coal mine video monitoring system comprises a protection device, a lighting device, a cleaning device, a lifting device, a control device, an air blowing device, a grabbing device and an energy device. Intelligent operation of the video monitoring system is realized by using the control device, the protection device can achieve overall corrosion prevention and explosion prevention, the camera body part is internally arranged, the lighting device can be automatically turned on and turned off to ensure that video monitoring pictures are clear and bright, and an atomizer and a scraping brush in the cleaning device are used for cleaning a lens to avoid excessive dust influences. The lifting device achieves up-down movement and 360-degree rotation of dynamic video monitoring under the action of the control device, an air blower in the air blowing device conducts dust removal and blow-drying on a lens through an explosion-proof hose under the action of the control device, and the grabbing device achieves replacement of a rechargeable battery through a flying mechanical arm. A charging base station in the energy device is used for storing a standby rechargeable battery so as to ensure long-term stable operation of the video monitoring system.
Owner:SHANDONG UNIV OF SCI & TECH

Intelligent water-saving full-automatic car washer

The invention discloses an intelligent water-saving automatic car washing machine, which relates to the field of intelligent environmental protection and is used to solve the problem of wasting water resources in the existing car washing machine, which includes a main body of a car washing room, an induction door, a computer control system, a photoelectric sensor and a high-pressure nozzle , the main body of the car wash room is provided with a parking line on the ground, the photoelectric sensor is arranged on the inner wall directly above the parking line, the high-pressure nozzle is arranged around the main body of the car wash room and on the inner wall of the top, and the access end of the high-pressure nozzle is set There is a three-way solenoid valve, and the car washing machine also includes a light transmittance tester and a blower. The light transmittance tester is arranged near the photoelectric sensor and is arranged outside the parking line. The photoelectric sensor and the light transmittance tester are connected with the computer. The input end of the control system is connected, the three-way solenoid valve and the blower are connected with the output end of the computer control system, and the blower is arranged on four corners inside the main body of the car wash. The invention has the advantages of simple operation, water saving and environmental protection.
Owner:弘毅天承知识产权股份有限公司
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