64 results about "Continuous irrigation" patented technology

A closed system irrigation connector for use with both 3-way and 2-way urinary catheters is disclosed. The connector fits all urinary catheters and accepts continuous irrigation sets as well as all bulb, piston, and Toomey catheter tip irrigation syringes. The connector eliminates the use of catheter plugs and reduces the mess and leakage often associated with present urinary catheter irrigation procedures. The connector converts an open procedure to a closed system procedure protecting the patient from outside contamination to reduce urinary tract infections as well as the clinician from potentially infectious body fluids. It comprises an assembly of a plastic housing with an internal silicone diaphragm slit valve and a plastic entrance port that are unitized in assembly by sonic welding. The entrance port forms a tapered wedge lock engagement with irrigation sets as well as catheter tip irrigation syringes.

Solutions for perioperative intraocular application by continuous irrigation during ophthalmologic procedures are provided. These solutions include multiple agents that act to inhibit inflammation, inhibit pain, effect mydriasis (dilation of the pupil), and/or decrease intraocular pressure, wherein the multiple agents are selected to target multiple molecular targets to achieve multiple differing physiologic functions, and are included in dilute concentrations in a balanced salt solution carrier.

A method and solution for perioperatively inhibiting a variety of pain and inflammation processes at wounds from general surgical procedures including oral/dental procedures. The solution preferably includes multiple pain and inflammation inhibitory at dilute concentration in a physiologic carrier, such as saline or lactated Ringer's solution. The solution is applied by continuous irrigation of a wound during a surgical procedure for preemptive inhibition of pain and while avoiding undesirable side effects associated with oral, intramuscular, subcutaneous or intravenous application of larger doses of the agents. One preferred solution to inhibit pain and inflammation includes a serotonin2 antagonist, a serotonin3 antagonist, a histamine antagonist, a serotonin agonist, a cyclooxygenase inhibitor, a neurokinin1 antagonist, a neurokinin2 antagonist, a purinoceptor antagonist, an ATP-sensitive potassium channel opener, a calcium channel antagonist, a bradykinin1 antagonist, a bradykinin2 antagonist and a mu -opioid agonist.

The invention discloses a medical perfusion type irrigator, belonging to the technical field of medical equipment. The medical perfusion type irrigator comprises a microprocessor module and a peristaltic pump, wherein the microprocessor module sends signals to the peristaltic pump to control the liquid outlet pressure and liquid outlet flow speed of the peristaltic pump; the microprocessor module is connected with a keyboard module, a pressure sensor, a flow speed sensor and a display module. The medical perfusion type irrigator disclosed by the invention can provide irrigation fluids with two flow speeds and four pressures, and can accurately control the temperature of the irrigation fluids and realize continuous irrigation as well as intermittent irrigation; with human-machine interaction, the irrigator is friendly and convenient to operate; moreover, in a special situation, the irrigator can give an alarm through sound and light to remind the medical personnel to handle exception in time. The medical perfusion type irrigator disclosed by the invention is applicable to multiple operations and the irrigation of multiple operative sites or tissues.

Disclosed herein is a dental device for delivering fluid continuously while activated in an endodontic application. The dental device includes a hollow needle having a tip end and a connector portion; and a handle. One end of the handle is configured to be affixed to the connector portion of the hollow needle. The opposite end of the handle is capable of being attached to an endodontic handpiece or a sonic agitator for the activation. The connector portion includes at least one tube connector that is an integral part of the connector portion of the hollow needle or a plurality of openings on the connector portion to accommodate the hollow needle to a connector. The connector is a modular fluid delivery connector which is removable from the needle such that it can be reused.

A method for leaching saline-alkali soil comprises following steps: 1) land leveling, deep ditches which are 26 to 60 cm deep are dug with intervals of 0.4 to 8 meters; the deep ditches are one-way parallel ditches, or parallel ditches which are crossed in length and breadth with different density vertically and horizontally, a layer of sand which is 3 to 37 cm thick is laid at the bottom of the deep ditches to form underground alkali discharge sand ditches; 2) underground salt discharge pipes laying; 3) underground irrigation pipes laying; 4) deep scarification and knot breaking; 5) fresh water flooding irrigation; 6) salt water enhanced drainage: while fresh water flooding irrigation is being carried out, one ends of the underground salt discharge pipes are sealed with sealing plugs and the other ends are connected with water pumps to perform enhanced drainage on salt water leached to the underground salt discharge pipes; the leached salt water is drained to salt discharge ditches; 7) continuous irrigation and drainage: the fresh water flooding irrigation and the salt water enhanced drainage are repeated carrying out to quickly leach the salinity in the soil; when the salinity in the soil decreases to an expected target, irrigation and drainage are stopped.

The invention discloses a micropore ceramic irrigation device and a preparation method thereof. The method comprises the steps that silica sand, talcum powder, dextrin and silica sol are adopted as main raw materials, and the raw materials are subjected to screening, mixing, compression molding forming, drying, sintering, polishing and other technologies to obtain the micropore ceramic irrigation device. The obtained tubulus micropore ceramic irrigation device is simple in structure and convenient to prepare, the irrigation device is connected with a tubular billet, non-pressure continuous irrigation is performed underground, energy consumption can be greatly lowered compared with conventional underground irrigation, the outflow of the irrigation device and soil water potential are coupled, the soil water can be automatically regulated according to the crop need, and the advantage of active irrigation is achieved. Due to the fact that negative pressure mud suction and root invasion are avoided, the problem of serious plugging of the irrigation device limiting underground irrigation technology application popularization can be effectively solved, and the irrigation device is particularly applicable to vegetable and flower irrigation.

The invention discloses a method and a system for saving water for photovoltaic intelligent nanometer micro moisturizing irrigation. The system comprises a photovoltaic water pump, a micro moisturizing pipe, a water delivery pipe, a water potential instrument, a water supply main pipe, a water tank and a fertilizer tank, wherein a net structure is formed by connecting the micro moisturizing pipe with the water delivery pipe through a direct connecting way or a plug-in way, an irrigation net is formed, the water delivery pipe at one end of the irrigation net is connected with the photovoltaic water pump through the water supply main pipe, the photovoltaic water pump is connected with the water tank, the irrigation net is internally provided with the fertilizer tank and the water potential instrument, and the water potential instrument is connected with the photovoltaic water pump. The method and the system for saving the water for the photovoltaic intelligent nanometer micro moisturizing irrigation, disclosed by the invention, have the beneficial effects that uninterrupted and continuous irrigation can be realized, and characteristics of low energy consumption, high water conservation, blocking preventing and integrated water and fertilizer are obtained aiming to situations such as solute potential, soil water potential, atmosphere water potential, root water potential and pressure potential.

The invention provides a dry culture seedling method of paddy rice in saline-alkali soil. The dry culture seedling method is characterized by dryly seeding treated paddy rice seeds into the saline-alkali soil not performed field steeping and salt spraying. The method comprises the following stages: a seed soaking stage, a seed sunning stage, a rotary harrowing and field sunning stage, a dry seeding and seed sunning stage, a salt spraying and sprouting stage, a drying and seedling germinating stage, a continuous irrigating stage, an irrigating stage before seedling emergency and the irrigatingstage after the seedling emergency. The method provided by the invention makes use of water used for washing the salt and the alkali and the time used for washing the salt, the alkali and the water in the whole land to sprout and germinate the seeds absorbed with the water. With the adoption of the method, continuous irrigation is adopted after the seedling emergency and before the expansion of afirst leaf of the seedling, or continuous seedling-flooded irrigation is adopted or a shallow water layer is started to establish, so that the whole salt content in the soil is further effectively decreased, so as to realize the dry culture of the paddy rice in the saline-alkali soil.

The invention discloses a gynecological automatic irrigation uterine curettage device which structurally comprises a device base, four movable rollers, a shell, a visible window, a remain prompt automatic irrigation device, a control panel, an infusion tube, a control grip, an extending irrigation tube, a uterine curet and a placement ring. The four movable rollers are arranged at four ends of thelower portion of the device base and spirally connected with the device base through screws, and the shell is arranged on the device base and connected with the device base by electric welding. The gynecological automatic irrigation uterine curettage device has the advantages that prompt signals can be automatically transmitted by the aid of the remain prompt automatic irrigation device when remaining irrigation fluids are insufficient, medical staff is prompted to timely fill the irrigation fluids, continuous irrigation is realized, the irrigation device is simple and convenient to operate,irrigation can be started or stopped by one key, the intelligence degree and the automation degree of the gynecological automatic irrigation uterine curettage device are effectively enhanced, the gynecological automatic irrigation uterine curettage device is convenient to use, and medical efficiency is improved.

The invention discloses sprinkling irrigation equipment capable of improving a utilization rate of water resources. The equipment comprises a box body, the bottom of the inner wall of the box body isrotatably connected with a supporting shaft, the top end of the supporting shaft runs through the box body and extends to the top of the box body, the top end of the supporting shaft is fixedly connected with a supporting plate, two sides of the top of the supporting plate are separately and fixedly connected with one supporting column, the top ends of the supporting columns are fixedly connectedwith a top plate, the top of the top plate is fixedly connected with a timer, vertical rods are fixedly connected between two sides of the bottom of the top plate and between two sides of the top of the supporting plate, the surface of each vertical rod is provided with one movable sleeve in a sleeving manner, and the opposite sides of the two movable sleeves are separately and fixedly connected with one tooth plate. The equipment disclosed by the invention is connected with the timer, so that the equipment can be controlled to perform timing work, when irrigation is needed, surrounding cropsare irrigated by the equipment, so that the equipment avoids waste of a large amount of water resources caused by continuous irrigation, facilitates controlling an amount of water for irrigation, avoids influence of excessive irrigation on normal growth of the crops, and improves irrigation efficiency.

A method and solution for perioperatively inhibiting tumor cell adhesion and a variety of pain and inflammation processes at wounds from general surgical procedures including oral/dental procedures. The solution preferably includes at least one anti-tumor cell adhesion agent and multiple pain and inflammation inhibitory agents at dilute concentration in a physiologic carrier, such as saline or lactated Ringer's solution. The solution is applied by continuous irrigation of a wound during a surgical procedure for preemptive inhibition of pain and while avoiding undesirable side effects associated with oral, intramuscular, subcutaneous or intravenous application of larger doses of the agents. One preferred solution to inhibit tumor cell adhesion, pain and inflammation includes at least one anti-tumor cell adhesion agent, a serotonin2 antagonist, a serotonin3 antagonist, a histamine antagonist, a serotonin agonist, a cyclooxygenase inhibitor, a neurokininl antagonist, a neurokinin2 antagonist, a purinoceptor antagonist, an ATP-sensitive potassium channel opener, a calcium channel antagonist, a bradykininl antagonist, a bradykinin2 antagonist and a mu -opioid agonist.

The invention discloses an automatic potted plant nursing device. The automatic potted plant nursing device comprises a bearing frame, wherein a plurality of potted plant sliding plates are arranged on the bearing frame in a sliding manner; two ends of the bearing frame are respectively and rotatably connected with one end of a connecting shaft; the other end of the connecting shaft is rotatably connected with a solar cell panel. According to the automatic potted plant nursing device disclosed by the invention, the solar cell panel is used for supplying power to a rotary motor, so that the rotary motor continuously rotates, and all parts of plants can be uniformly illuminated, and healthy growth of the plants is facilitated; in weather including rainy days and the like, the solar cell panel can also be used for keeping off rain for the plants; and in a strong illumination period, the position of the solar cell panel is adjusted so that the problem that a flowerpot is directly irradiated by sunlight for long time so that the loss of soil moisture is too rapid can be prevented. The automatic potted plant nursing device can also be used for providing continuous irrigation for potted plants in high-temperature seasons, and the potted plants are prevented from withering and dying, caused by the fact that the potted plants lack water for long time.

The invention provides a spray sowing, governing and irrigation integrated slope protection governing system. The system comprises a spray sowing module, an automatic irrigation module and a slope protection governing module. The automatic irrigation module is provided with an automatic continuous irrigation device. Microscale irrigation water slowly permeates biological organic matter soil dressing through an automatic seepage pipeline. The spray sowing module comprises a first mixed spraying unit and a second mixed spraying unit. The mixed spraying units are used for building effective space of vegetation growth through a mixed matrix. By the adoption of the technical scheme, the comprehensive effect of integrating geological disaster prevention and control, landscape environment governance and water and soil conservation can be achieved.

The invention discloses a single-chip microcomputer based intelligent irrigation device and an operation mode thereof and belongs to the technical field of intelligent irrigation. The operation mode includes that the given value of humidity suitable for planting plants is input to a single-chip microcomputer, a humidity sensor measures the soil layer and inputs the humidity measurement value to the single-chip microcomputer, the measurement value and the given value are compared through the single-chip microcomputer, and if a deviation appears, a deviation signal is processed through the single-chip microcomputer which outputs a control signal to a contactor; if the measurement value is greater than the given value, that is, the humidity is too high and continuous irrigation is not needed,the signal-chip microcomputer outputs a single to disconnect the contactor, and a controlled mechanism, namely a circuit of a centrifugal pump, is cut off to stop the centrifugal pump and water supply irrigation; if the measurement value is less than the given value, that is, the soil humidity is low and irrigation spraying is needed, the single-chip microcomputer outputs a single to close the contactor, the circuit of the centrifugal pump is connected, the centrifugal pump can start to run to spray water from rocker arm sprinkles on a drain pipe for irrigation, and intelligent irrigation isrealized through the single-chip microcomputer.

The invention belongs to the field of hydraulic irrigation equipment and particularly relates to an automatic hydraulic irrigation device. The automatic hydraulic irrigation device comprises a water channel body, wherein the inner wall of the water channel body is hinged to a buoyancy tank flap valve through a first connecting piece, a first rubber water stop plate is attached to one side of the buoyancy tank flap valve, the upper portion of the buoyancy tank flap valve is provided with an exhaust hole, the middle portion of the buoyancy tank flap valve is provided with a first water inlet hole, and the lower portion of the buoyancy tank flap valve is provided with a first water drain hole. The automatic hydraulic irrigation device further comprises a culvert pipe, wherein the culvert pipe penetrates through the water channel body, the water inlet end of the culvert pipe is matched with the first rubber water stop plate, the water outlet end of the culvert pipe is located above a farmland and is hinged to a water outlet valve through a second connecting piece, a water storage tank is arranged below the water outlet end of the culvert pipe, a spherical floater is arranged in the water storage tank and is connected with the water outlet valve through a connecting piece, the upper hemisphere of the spherical floater is provided with a second water inlet hole, and the lower hemisphere of the spherical floater is provided with a second water outlet hole. The automatic hydraulic irrigation device is free of energy consumption, low in cost, capable of being turned on and turned off automatically according to farmland irrigation demands, and also capable of meeting the demands for various irrigation conditions such as continuous irrigation and rotation irrigation.