65 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 during arthroscopic procedures. The solution preferably includes a vasoconstrictor that demonstrates substantial agonist activity at alpha adrenergic receptors and that is selected for peripheral (local) vasoconstriction and one or more additional 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 peripheral vasoconstriction and inhibition of pain and / or inflammation while avoiding undesirable side effects associated with systemic application of larger doses of the agents.

A method and solution for perioperatively inhibiting a variety of pain and inflammation processes during arthroscopic procedures. The solution preferably includes a vasoconstrictor that exhibits alpha-adrenergic activity and one or more additional 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 peripheral vasoconstriction and inhibition of pain and / or inflammation while avoiding undesirable side effects associated with systemic application of larger doses of the agents.

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.

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.

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.

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.

The present invention is an irrigation method and system for providing a user-defined flow rate to a field using variable sized orifices. The irrigation method and system includes providing a source of irrigation water. A first discrete area to be irrigated is defined and the volume of irrigation water to be disbursed to the first discrete area is determined based on the type of crop. A length of continuous irrigation conduit is provided so that the irrigation conduit is in fluid communication between the source of irrigation water and the first discrete area. The required diameter of each orifice is calculated based on the user-defined flow rate. Each orifice is made in the irrigation conduit as the conduit is installed in the field so that the irrigation water is disbursed to the first discrete area in an amount approximate to the user defined flow rate.

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 at least one pharmacological agent that is a soluble receptor tyrosine kinase, and optionally additional 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.

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.

An indwelling urinary catheter system having an elongated tubular catheter body 401 having a distal end and a proximal end; at least one sleeve portion 406 constructed out of a semi-permeable membranes surrounding at least one portion of the catheter body; at least one lumen to instill fluid into the catheter body; and a means to continuously efflux the instilled fluid through the semi-permeable membrane for circumferential egress of fluid out of the membrane around the catheter body. The catheter may further include a drainage lumen 414 extending through the catheter body from just short of the distal end to the proximal end and an opening or eyelet 405 in the catheter body just short of the distal end of the catheter body to permit urine to drain from a patient's bladder into the drainage lumen. A retaining mechanism may also be comprised.

An agricultural potassium-fertigation method for emitter-irrigation potassium fertigation feeds a potassium-nutrient feedstock comprised of potassium formate and water to an active emitter-irrigation system discontinuously, at levels of 0.15 to 50 gal. / min, during one to six nonconsecutive irrigation days during a crop cycle.

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.

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.

he present invention relates to a device for unpowered irrigation and fertilization, and to an unpowered pot cultivation system using same, which are capable of performing continuous irrigation and fertilization to a pot by using a single supply source without consuming electric or mechanical energy. The system comprises: a pot holder provided with a collecting recess in which water or a nutrient solution can be collected, and configured such that the bottom of the pot can be immersed in water; a water tank holder on which a water tank can be seated; a linking passage connecting the water tank holder to the pot holder; a valve unit mounted on the water tank so as to be opened and closed by means of the movement of a moving member; and a water level controller configured to move the moving member according to fluctuations in the water level of the collecting recess, in order to uniformly maintain the water level in the collecting recess.

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 method for manufacturing a continuous micro water amount irrigation pipe, a continuous micro water amount irrigation pipe manufactured by the method, a method for irrigating by using the continuous micro water amount irrigation pipe, and application of the continuous micro water amount irrigation pipe to agricultural irrigation. The method for manufacturing the continuous micro water amount irrigation pipe comprises the following steps: preprocessing filling materials; mixing the preprocessed filling materials with high-pressure polyethylene resin by preset ratio of parts by weight to manufacture filling granule materials; manufacturing the filling granule materials into a preformed pipe; leading the preformed pipe into a high-temperature extraction machine to be continuously extracted to manufacture the continuous micro water amount irrigation pipe. The method can be used for manufacturing the continuous micro water amount irrigation pipe of which the pipe wall is provided with micro holes. After the continuous micro water amount irrigation pipe is filled with water, the water can leak out of the micro holes, the water yield is accurate and can be adjusted, and the continuous irrigation by the micro water amount through the way of continuous water supply for 24 hours is realized for crops in a full life circle way.

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 a method for preparing rice nursling seedlings and dryly planting mature seedlings. The method for preparing the rice nursling seedlings comprises a seed soaking process and a seed producing process, wherein the seed soaking process comprises a preparation stage and a seed stage; the seed producing process comprises a seed stage, a nursling bud stage, a nursling seedling stage and seed producing termination; and the method for dryly planting the mature seedlings comprises a soil preparation stage before seeding, a dry seeding stage, a seedling producing stage, a continuous irrigation stage, a wetting management stage and a personalized irrigation stage. The seedling producing stage totally or partially substitutes the bud producing stage in conventional nursling seedling preparation, and bud production before seeding is changed into bud production after seeding, so that the preparation technology of the nursling seedlings is simplified, the seedling recovery period is shortened, and the heading period is ahead of time; by continuous irrigation, the growth of rice buds is promoted, the seedlings emerge regularly, and the germination rate is high; the total salt content of a soil plough layer is effectively reduced, and dry planting in saline-alkali soil becomes true; and a shallow water layer of below 3 centimeters is established before the first complete leaf is expanded to allow the rice seedlings to grow from the position below water to the position above the water, so that seedling death due to salt accumulation in the soil under a wetting management or dry management condition is effectively prevented, and the live seedling rate 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.

An agricultural potassium-fertigation method for emitter-irrigation potassium-plus fertigation feeds a potassium-plus nutrient feedstock comprised of potassium formate and additional yield-assist constituent(s) and water to an active emitter-irrigation system discontinuously, at levels of 0.15 to 50 gal. / min, during one to six nonconsecutive irrigation days during a crop cycle.

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 discloses a fertilization system for irrigation, and relates to an agricultural production device; the fertilization system for irrigation comprises a dissolving chamber, a regulating chamber, a water inlet pipe and a water outlet pipe; the dissolving chamber is adjacent to the regulating chamber and is spaced from the regulating chamber by a baffle plate, the baffle plates is provided with draining holes and the dissolving chamber is internally provided with a filter layer; the regulating chamber is internally provided with a regulating plate, the horizontal position, in the regulating chamber, of the regulating plate can be changed, and the upper end of the regulating plate is provided with a water outlet; the water inlet pipe is connected with the dissolving chamber, and is communicated with the dissolving chamber; the water outlet pipe is connected with the regulating chamber, is communicated with the regulating chamber and is arranged opposite to the regulating plate. The system provided by the invention can be used for performing continuous irrigation to soil, so that the irrigation efficiency can be improved, and the fertilizer solution concentration is controllable, so that the demands on fertilizers by different crops can be met.

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.

A method of water seepage and salt drainage in salt and alkali shoal land 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 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.