10results about How to "Improve perfusion effect" patented technology

The application relates to a dual-purpose maintenance system for taking out a heart and maintaining the heart extracorporeally, which comprises a perfusion pipeline assembly and an organ box. The design that the organ box is communicated with a blood storage container and is switched can support the no-stop-taking-out and transportation operation of the heart. In the conversion process, the pipeline does not need to be replaced, the heat ischemic injury and ischemia-reperfusion injury of the heart are reduced.

The utility model provides a pavement crack pouring device, which relates to the technical field of pavement crack pouring and comprises a support, a grip arranged on one side of the support, a storage tank arranged on one side of the support, a liquid gas storage tank arranged on one side of the support, and a pouring pipe arranged on one side of the storage tank. Universal wheels are fixedly connected to the four corners of the bottom of the support, a cleaning device is arranged on one side of the support and comprises a mounting block, the mounting block is fixedly connected with the support, a bolt is inserted into the mounting block in a threaded mode, and a containing frame is connected to the surface of the bolt in a threaded mode. According to the ground crack cleaning device, sundries in ground cracks can be cleaned by using the cleaning device, so that asphalt in the filling pipe can be better filled into the ground cracks, and the situation that combination of the asphalt and the ground cracks is affected by the sundries is avoided; therefore, the filling effect of the filling device can be improved.

This application discloses a blood pumping device and a ventricular assist system. The blood pumping device includes a motor and an infusion tube. The motor includes a housing, a rotor assembly, and a distal end cap. The housing encloses a receiving cavity, and a first flow passage is provided inside the housing. The distal end cap is connected to the distal end of the housing and has a first shaft hole extending axially. The rotor assembly includes a rotating shaft, at least a portion of which extends out of the receiving cavity through the first shaft hole. The gap between the rotating shaft and the contour surface of the first shaft hole forms a second flow passage, which communicates with the first flow passage. The infusion tube is connected to the proximal end of the motor and has a third flow passage communicating with the first flow passage. The flow rates Q1 of the first flow passage, Q2 of the second flow passage, and Q3 of the third flow passage satisfy the formula where k1∈(0,2], k2∈(0,2], k3∈(0,2], Q x ∈[10, 50].

The invention discloses anchor hole grouting control equipment, which relates to the field of constructional engineering and comprises a connecting base, a grouting pipe, an adjusting mechanism and a control mechanism, the grouting pipe is fixed to the connecting base and communicates with the connecting base, and the grouting pipe is used for grouting the interior of the anchor hole; one end of a shell is further fixed to the connecting base, and the grouting pipe is coaxially sleeved with the shell. The adjusting mechanism is arranged at the other end of the shell and used for controlling and adjusting the grouting state. The control mechanism is installed in the shell, connected with the grouting pipe and used for collecting lost mortar in the grouting process and cutting off the grouting pipe after grouting is completed. When the equipment is used for grouting an anchor hole, redundant mortar can be prevented from dripping, the dripping mortar can be reused, meanwhile, the mortar in the anchor hole can be exhausted, and the grouting effect is improved.

The utility model discloses a sulphoaluminate concrete pouring device, which belongs to the technical field of concrete pouring, and is characterized by comprising a material storage tank, the top of the material storage tank is fixedly communicated with a feeding pipe, a stirring component is arranged in the material storage tank, the bottom of the material storage tank is fixedly communicated with a discharging hopper, and the discharging hopper is arranged in the material storage tank. By arranging the discharging assembly, when the flow of the sulphoaluminate concrete needs to be adjusted, an electric push rod can drive a connecting plate and a moving plate to move, and when the moving plate moves, a first through hole and a second through hole are staggered, so that the flowing area of the sulphoaluminate concrete can be reduced; according to the sulphoaluminate concrete flow adjusting device, the flow of sulphoaluminate concrete can be adjusted according to use requirements, the flexibility during use is improved, the adjusting assemblies are arranged, and two adjusting blocks can drive corresponding moving devices to move together when moving, so that the moving devices can be adjusted according to the width of a crack or a hole seam, and the practicability of the sulphoaluminate concrete flow adjusting device is improved. And the pouring effect is further improved.

The invention relates to the field of wind power equipment, and discloses a method and system for eliminating bubbles between pouring layers of a pultrusion beam of a wind power blade. Comprising a main mold, a continuous felt, an outer skin, a pultrusion beam, an inner skin, first demolding cloth, a porous film, a first flow guide net, a VAP film, second demolding cloth located between the continuous felt and the VAP film, a second flow guide net and pultrusion beam side runners located on the rear edge and the front edge of the pultrusion beam. The continuous felt, the outer skin, the pultrusion beam, the inner skin, the first demolding cloth, the porous film and the first flow guide net are sequentially arranged in the main mold from bottom to top; the VAP film comprises an axial VAP film and a chordwise VAP film, and the axial VAP film is laid below the continuous felt and is flush with the front edge side of the continuous felt; one end of the chordwise VAP film is lapped with the axial VAP film, and the other end of the chordwise VAP film is lapped with the second flow guide net; and the second flow guide net is positioned on the flange platform of the main mold and completely covers the mold front edge extraction opening. By accurately controlling the straightness of the pultrusion sheet and optimizing the continuous felt layout and the pouring process, bubbles are effectively reduced.

The utility model discloses a medicine perfusion apparatus for ulcerative colitis, which belongs to the technical field of medicine perfusion and comprises a perfusion cylinder, a perfusion component is arranged in the perfusion cylinder and used for performing medicine perfusion on the colon of a patient, and a heating component is fixedly arranged on one side of the perfusion cylinder and used for heating one end of the perfusion component and heating the other end of the perfusion component. Discomfort of the patient caused by direct contact with the colon of the patient is avoided, and the heating assembly comprises a heating frame. Hot water in the heating frame body heats the outer wall of the rubber hose in the heating cavity and heats colitis medicine in the rubber hose, so that discomfort of a patient caused by direct contact between the rubber hose and the colon of the patient in the subsequent perfusion process is avoided, the colon of the patient can be conveniently perfused, and the colitis treatment efficiency is improved. The use effect is improved.

The present invention relates to the field of medical device technology, and in particular to a venous heart assist device and an interventional treatment device using the same. The venous heart assist device includes: a balloon catheter, a first balloon, a second balloon and a third balloon; when in use, first control the inflation of the second balloon to expand it in the right atrium; then control the inflation of the first balloon and the third balloon to expand them in the superior vena cava and the inferior vena cava respectively; thereafter, control the deflation of the second balloon to form a negative pressure in the right atrium; then control the deflation of the first balloon and the third balloon. The present invention uses three balloons, and at the same time combines the coordination of corresponding control timings, which can effectively improve the function of the right atrium, improve the perfusion effect, help improve microcirculation disorders, speed up the microblood flow rate, improve ischemia and hypoxia, and provide good assistance to microcirculation, which is conducive to promotion and application.

The utility model discloses an internet of things valve control water meter with glue poured at the top, which comprises a mounting frame, connectors are fixed at the two ends of the mounting frame, a positioning plate is fixed on the upper surface of one end of the mounting frame, the upper end of the positioning plate is connected with a lower shell, an upper shell is arranged at the upper end of the lower shell, a cavity is arranged in the lower shell, and the upper shell is connected with the lower shell. A guide pipe is fixed to the bottom surface of the lower shell cavity, and the inner wall of the lower shell cavity is connected with a circuit board. The internet-of-things valve control water meter with the top filled with glue is provided with an observation baffle and a lower shell, when the water meter works, observation is facilitated when pouring sealant is injected through the transparent design of the observation baffle, the working efficiency and accuracy are improved, the water meter is conveniently filled with the pouring sealant through an opening in the surface of the lower shell, and the water meter is convenient to use. Therefore, the circuit board and other components are completely wrapped by the pouring sealant, the waterproof effect is ensured, and the hidden danger of waterproof failure caused by exposure of the components or contact with the edge of the plastic shell is avoided.

The utility model relates to the technical field of underground diaphragm wall synchronous pouring, and discloses an underground diaphragm wall synchronous pouring device which comprises a first pouring pipe, a second pouring pipe, a connecting frame and two measuring structures, the two ends of the connecting frame are in butt joint with the first pouring pipe and the second pouring pipe respectively, the connecting frame is provided with a lifting ring, and the lifting ring is used for lifting; the two measuring structures are respectively arranged on the connecting frame and are used for detecting the filling depth; the measuring structure comprises a measuring rope and a floating plate, the lower portion of the measuring rope is connected with the floating plate, and the floating plate is arranged in a floating mode through poured concrete. During pouring operation, the connecting frame can realize synchronous lifting and lowering of the first pouring pipe and the second pouring pipe, so that construction operation is facilitated, and the pouring effect and the pouring quality are improved; in the concrete pouring process, the pouring depth of the concrete is monitored through cooperation of the measuring rope and the floating plate, the first pouring pipe and the second pouring pipe are lifted up only when enough concrete pouring is guaranteed, and the pile forming quality and the supporting strength are guaranteed.