35 results about "Irrigation Solutions" patented technology

Novel, inexpensive, and highly effective methods and devices for convenient and effective wound irrigation are described herein. Methods and devices disclosed herein utilize a synergistic combination of two or more antiseptic agents to reduce contact time, enhance antimicrobial effects, and reduce the likelihood of allergy and other side effects from the antiseptic agents in subjects. In one embodiment, devices include a discharge means for a reservoir housing containing irrigation solution wherein the discharge means has one or more specifically designed nozzles through which a sufficient volume of the irrigation solution can pass at an appropriate pressure.

Method for electronically indicating a concentration of an irrigation solution in a root canal (RC) of a tooth (T), using a device able to be electrically connected to an endodontic instrument engaged in the canal and to a labial electrode, and including a screen to display the progression of the instrument in said canal relatively to a critical apical point of reference such as the cemento-dentinal junction (CDJ), said device being furthermore able to measure, in the vicinity of said point of reference, by conductimetry, a concentration of an electrolyte irrigation solution injected into the root canal.

The utility model relates to the technical field of drip irrigation equipment, and discloses a multi-specification adaptive embedded patch type water dropper which comprises a water dropper body, and a first labyrinth flow channel, a second labyrinth flow channel and a third labyrinth flow channel are arranged on the surface of the water dropper body. Water inlets and water outlet grooves are formed in the two ends of the first labyrinth flow channel, the two ends of the second labyrinth flow channel and the two ends of the third labyrinth flow channel respectively; a plurality of plugging heads corresponding to the first labyrinth flow channel, the second labyrinth flow channel and the third labyrinth flow channel in position are arranged in the water inlet, bolts are rotationally arranged on the side walls of the plugging heads, and the rod walls of the bolts are in threaded connection with the side wall of the water dropper body. Through the multi-flow-channel design, the flexible flow channel switching mechanism, the good protection structure and the effective impurity filtering function, the adaptive capacity of the water dropper under the conditions of different drip irrigation pipe specifications, flow requirements and water quality is remarkably improved, and a more reliable, efficient and flexible irrigation solution is provided for agricultural drip irrigation.

Novel, inexpensive, and highly effective methods and devices for convenient and effective wound irrigation are described herein. Methods and devices disclosed herein utilize a synergistic combination of two or more antiseptic agents to reduce contact time, enhance antimicrobial effects, and reduce the likelihood of allergy and other side effects from the antiseptic agents in subjects. In one embodiment, devices include a discharge means for a reservoir housing containing irrigation solution wherein the discharge means has one or more specifically designed nozzles through which a sufficient volume of the irrigation solution can pass at an appropriate pressure.

The invention provides a sorbitol and mannitol flushing fluid for urinary surgery. The invention relates to a freeze-dried powder injection, which comprises 20 to 50 grams of sorbitol, 10 to 30 grams of mannitol, 5 to 10 grams of sodium bicarbonate and 0.5 to 2 grams of sodium citrate in every 1000 milliliters of the freeze-dried powder injection, and the pH value of the freeze-dried powder injection is adjusted to 7.2 to 7.4. The preparation method comprises the following steps: heating distilled water to 80 DEG C, sequentially adding the components, continuously stirring until the components are completely dissolved, cooling to room temperature, fixing the volume to 1000ml, adjusting the pH value by using a 5mol / L sodium hydroxide solution, finally sterilizing by using a 0.22-micron microporous filter membrane, and packaging in a sterilized glass bottle. The flushing fluid can effectively dissolve blood clots, stones and necrotic tissues in an operation field by utilizing the high osmotic pressure characteristics of the sorbitol and the mannitol, so that the operation field is kept clear. The flushing fluid disclosed by the invention shows an excellent flushing effect and good safety in urinary surgery operations such as transurethral bladder tumor electrocision, flexible ureteroscope calculus removal and the like.

The utility model discloses a small animal alveolar lavage device which comprises an oxygen tank and a lavage fluid tank on the right side of the oxygen tank, a needle cylinder is arranged on the left side of the oxygen tank, a controller is fixedly connected to the outer wall of the right end of the needle cylinder, and a fluid outlet pipe is fixedly connected to the portion, close to the right side, of the outer wall of the lower end of the needle cylinder so that lavage fluid can be communicated with oxygen to be sprayed out. A liquid return pipe is arranged on the left side of the liquid outlet pipe to recycle used irrigation liquid, a waste liquid tank is arranged on the left side of the needle cylinder to collect waste liquid, a guide pipe c is arranged between the waste liquid tank and the needle cylinder to guide the moving direction of the waste liquid, and a guide pipe a is arranged between the oxygen tank and the needle cylinder to guide circulation of oxygen. A guide pipe b is arranged between the irrigation solution tank and the needle cylinder to guide irrigation solution to circulate, and by installing a temporary storage bubble, a handle, a threaded rod and a movable ring, waste liquid is prevented from dripping on the ground, so that the ground is prevented from being polluted, the time of the irrigation process is shortened, and the irrigation speed is increased.

Inexpensive and highly effective methods and devices for convenient and effective wound irrigation are described herein. The synergistic combination of two or more antiseptic agents reduces contact time, enhances antimicrobial effects, and reduces the likelihood of allergy and other side effects from the antiseptic agents in subjects. In one embodiment, devices include a discharge means for a reservoir housing containing irrigation solution wherein the discharge means has one or more specifically designed nozzles through which a sufficient volume of the irrigation solution can pass at an appropriate pressure.

The present invention discloses an intraocular irrigation solution containing niacinamide. Niacinamide serves as an active substance in the intraocular irrigation solution, which has the effects of improving the function of corneal endothelial cells, inhibiting cell apoptosis and cell fusion, and improving the mitochondrial damage condition, thereby alleviating or inhibiting corneal edema, reduction of corneal endothelial cells, abnormal corneal transparency, abnormal corneal thickness, abnormal corneal endothelial cell density, abnormal corneal endothelial cell morphology, and abnormal expression of corneal endothelial cell functional proteins caused by ultrasonic stimulation, heat stimulation or oxidative damage to corneal endothelial cells during phacoemulsification surgery.

The invention discloses a low-irritation policresulen flushing fluid and a preparation method thereof, and relates to the technical field of pharmaceutical preparations. The preparation method comprises the following steps: S1, pouring policresulen into a container, heating the policresulen to 55-65 DEG C, and then adding Kinan oil to form a mixture A; s2, quickly stirring the mixture A for 8-15 minutes until the mixture A is dissolved and clarified, then adding spironolactone, uniformly stirring, and cooling to 24-27 DEG C to form a mixture B; and S3, sequentially adding succinic anhydride and water into the mixture B, stirring for 10-20 minutes, filtering with a filter membrane, filling according to specifications, sealing, and carrying out terminal sterilization to obtain the policresulen flushing fluid. The prepared policresulen flushing fluid is good in clarity, low in irritation, high in stability, small in related substance increment, easy and convenient to operate and low in production cost.

1. Name of the product in this design: Packaging box (Medical saline nasal irrigation solution). 2. Purpose of this design: For packaging medical nasal irrigation solution. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to the technical field of biological medicine, in particular to a preparation method and application of antibacterial flushing fluid applied to a vacuum sealing drainage device. The invention provides application of quaternary ammonium salt chitin in preparation of antibacterial flushing fluid. The antibacterial flushing fluid provided by the invention is simple and feasible in method, economical in material and suitable for industrial production, and the flushing fluid has the characteristics of safety, no toxicity and good biocompatibility. The antibacterial agent has a good antibacterial effect on gram-positive bacteria, gram-negative bacteria, anaerobic bacteria and other bacteria, can effectively control wound infection, can prevent generation of drug-resistant bacteria, and also can improve the inflammation condition of wounds.

The temperature control device comprises a preparation tank and a base arranged at the bottom of the preparation tank, a cover body is hinged to the top of the preparation tank, an imbedding opening is formed in the middle of the cover body, and a positioning mechanism used for fixing a liquid suction pipe is arranged in the imbedding opening; the positioning mechanism comprises an adjusting ring buckle, the adjusting ring buckle is rotationally arranged in the middle of the cover body, an inner gear ring is arranged at the bottom of the adjusting ring buckle and rotationally arranged in an annular groove, the annular groove is formed in the upper side face of the cover body, a containing groove is formed in the bottom of the annular groove, and locking assemblies are arranged on the two sides in the containing groove respectively. A real-time detection structure for detecting the temperature and the PH value is further arranged in the preparation tank, the liquid suction pipe can be clamped and fixed, the fixity of the insertion depth of the liquid suction pipe is guaranteed, medical staff can conveniently and rapidly prepare flushing fluid with the corresponding PH value, and the preparation efficiency is improved.

The invention relates to the technical field of gastric lavage machines, and discloses an anti-reflux nursing gastric lavage machine suitable for gastric tube lavage of coma patients. A cavity of a buffer tank is in pressure communication with a dirty liquid tank through a communicating pipe, and a piston plate pushed by a spring is arranged in the buffer tank; a first flow channel and a second flow channel which are respectively communicated with the gastric lavage liquid tank are arranged in the buffer tank; a first lavage channel, a second lavage channel and a suction channel which correspond to each other are arranged in the stomach tube assembly; the adjusting mechanism is linked with the piston plate, when the negative pressure of the dirty liquid tank is abnormally increased due to blockage of the suction loop, the piston plate is pressed to move to a triggering position, and the adjusting mechanism is driven to synchronously execute three actions: cutting off the first flow channel, conducting the second flow channel and blocking the suction loop; therefore, the irrigation solution automatically washes the blocked part of the pipe head, and backflow is prevented in the treatment period; according to the invention, automatic detection, rapid dredging and system resetting of blockage are realized, and the safety, continuity and nursing efficiency of gastric lavage operation of coma patients are remarkably improved.

To provide methods for inhibiting postoperative inflammatory conditions following ophthalmologic surgical procedures by administering intraocularly during an ophthalmologic surgical procedure a solution including a nonsteroidal anti-inflammatory drug and an α-1 adrenergic mydriatic agent, such as a liquid irrigation solution of ketorolac and phenylephrine.SOLUTION: In one aspect, there is provided a method for inhibiting a postoperative inflammatory condition following an ophthalmologic surgical procedure, including: identifying a subject with an elevated risk of suffering from a postoperative inflammatory condition; and administering intraocularly to the subject during the ophthalmologic surgical procedure a solution including a nonsteroidal anti-inflammatory drug (NSAID) and an α-1 adrenergic receptor agonist mydriatic agent in an intraocular irrigation carrier.SELECTED DRAWING: None

A diabetic foot wound negative pressure suction system is provided with a speed-adjustable infusion device used for conveying cleaning injection to a wound, a drainage device used for draining liquid and a negative pressure device used for generating negative pressure, and the negative pressure device is communicated with the drainage device. The liquid outlet end of the infusion device is arranged on the lower surface of the suction cover of the drainage device, and a liquid outlet hole of the liquid outlet end is far away from the suction cover. The system has the advantages that by controlling the infusion speed of the infusion device and cooperating with suction, biological membranes and bacteria which are tightly attached to a wound bed can be physically scoured and loosened, bacteria, toxins and inflammatory mediators in a wound can be continuously removed, and a cleaner healing environment is created; and secondly, the injection is synchronously released from the liquid outlet hole of the liquid outlet end to form umbrella-shaped or dispersed perfusion to cover a larger wound area, so that the flushing fluid can release and take away necrotic tissue fragments, bacterial metabolites and inflammatory media more comprehensively without dead angles, and local pressure and potential tissue damage are reduced.

The invention belongs to the technical field of medical instruments, and discloses a multi-modal intraoperative bleeding amount real-time estimation method and system, the volume proportion of blood in a mixed solution is calculated through multi-band absorbance information, and the interference of irrigation solution dilution on blood loss amount evaluation is effectively solved; the blood amount in the suction bottle is calculated by combining the weight of the mixed liquid and the suction flow, so that the accuracy of liquid amount measurement is improved; the gauze is tracked and recognized through the surgical field video, the blood content is estimated, and automatic evaluation of the blood content of the gauze is achieved; finally, the Kalman filtering algorithm is used for fusing multi-source data, the accumulated blood loss amount and blood loss rate are dynamically calculated, the real-time performance and robustness of estimation are remarkably improved, and second-level blood loss rate information can be provided. In addition, according to the method, graded warning can be carried out according to the blood loss condition, a blood transfusion pump and an anaesthesia machine are controlled in a linkage mode, and auditable logs are recorded; therefore, the accuracy, the real-time performance, the intelligent level and the traceability of intraoperative blood loss volume evaluation are comprehensively improved.

The invention provides a vaginal irrigation nursing device for radiotherapy of cervical cancer, and relates to the technical field of vaginal irrigation, the vaginal irrigation nursing device for radiotherapy of cervical cancer comprises a heat preservation water tank, water is injected into the heat preservation water tank, a driving part drives a stirring part to work, liquid medicine and water in the heat preservation water tank are stirred, and after the liquid medicine and the water are fully fused, the liquid medicine is taken out; when the vagina flusher is used, the driving part drives the heat preservation water tank to move upwards, the heat preservation water tank is positioned to the high position, the mixed flushing fluid in the heat preservation water tank can be discharged through the water outlet pipe and the disposable connecting pipe, and a nurse controls the water flow to flush the vagina. Compared with the prior art, liquid medicine and water can be more conveniently mixed, the operation procedure of medical staff is simplified, the flushing efficiency is effectively improved, the heat preservation water tank can be conveniently moved to the high position, and therefore the physical strength expenditure of the medical staff can be effectively reduced.

An irrigation syringe with a syringe coupler facilitates double dispensing of intravenous irrigation solution to a vascular access device (VAD) of a patient while reducing the risk of infection of the vascular access device. The syringe coupler includes, on a proximal end thereof, a female first luer connector that is removably coupled to a male barrel luer connector of the syringe, thereby isolating the latter from external contaminants. The syringe coupler also has, on the distal end of its housing, a disposable male-type second luer connector adapted to be coupled and inserted into a vascular access device of a patient for delivering at least a portion of the irrigation solution held within the syringe. After the first delivery, the syringe coupler is decoupled from the vascular access device and the syringe. Thereafter, an unused, sterile, male cartridge luer connector of the syringe is directly coupled to the vascular access device for dispensing a second portion of the irrigation solution.

The invention pertains to a micellar solution for endodontic and / or oral cleaning, in particular for endodontic and / or oral disinfection, comprising a phospholipid; and a chelating agent. Such micellar solutions are essentially non-toxic, non-antigenic, non-carcinogenic and the smear layer is completely removed. Further, such micellar solutions require no further irrigation solutions to prevent endodontic reinfection. In addition, no detrimental precipitates are formed and no dentine discoloration occurs.

Inexpensive and highly effective methods and devices for convenient and effective wound irrigation are described herein. The synergistic combination of two or more antiseptic agents reduces contact time, enhances antimicrobial effects, and reduces the likelihood of allergy and other side effects from the antiseptic agents in subjects. In one embodiment, devices include a discharge means for a reservoir housing containing irrigation solution wherein the discharge means has one or more specifically designed nozzles through which a sufficient volume of the irrigation solution can pass at an appropriate pressure.

Inexpensive and highly effective methods and devices for convenient and effective wound irrigation are described herein. The synergistic combination of two or more antiseptic agents reduces contact time, enhances antimicrobial effects, and reduces the likelihood of allergy and other side effects from the antiseptic agents in subjects. In one embodiment, devices include a discharge means for a reservoir housing containing irrigation solution wherein the discharge means has one or more specifically designed nozzles through which a sufficient volume of the irrigation solution can pass at an appropriate pressure.

The invention discloses wound flushing fluid for surgical operation and a preparation method of the wound flushing fluid, and belongs to the technical field of medical medicines. The wound flushing fluid for the surgical operation comprises microspheres and sterilized water, the microspheres are prepared by the following steps: S1, dissolving ellagic acid in a polar solvent, and dispersing in deionized water to obtain a dispersion liquid; adding polyethylene polyamine and PEG (Polyethylene Glycol) into the dispersion liquid, carrying out ultrasonic dissolution, and carrying out high-temperature reaction to obtain a reaction liquid; dialyzing, separating and centrifugally freeze-drying the reaction liquid to obtain ellagic acid / polyethylene polyamine / PEG (Polyethylene Glycol); s2, dissolving silk fibroin in deionized water, adding Tween 80, and uniformly stirring to obtain a mixed solution; and S3, adding ellagic acid / polyethylene polyamine / PEG in the step S1 into the mixed solution in the step S2, adding genipin, stirring in a dark place, centrifugally separating, washing and freeze-drying to obtain the microspheres. The microspheres can achieve the effects of penetrating through a biological membrane for sterilization and accelerating wound healing.

Novel, inexpensive, and highly effective methods and devices for convenient and effective wound irrigation are described herein. Methods and devices disclosed herein utilize a synergistic combination of two or more antiseptic agents to reduce contact time, enhance antimicrobial effects, and reduce the likelihood of allergy and other side effects from the antiseptic agents in subjects. In one embodiment, devices include a discharge means for a reservoir housing containing irrigation solution wherein the discharge means has one or more specifically designed nozzles through which a sufficient volume of the irrigation solution can pass at an appropriate pressure.

An anterior chamber maintainer (ACM) is fastened to the cornea of a patient's eye at one or more, or potentially two or more, points of contact. The ACM can be inserted through a first and second incision. The ACM can be fastened to each of the two incisions using, for example, friction surfaces, ridges, a malleable tip, magnets, a segmented tip, or other types of fasteners. The ACM includes openings to provide irrigation solution to maintain the volume of the patient's eye during cataract surgery. The shape of the openings can be customized to reduce the amount of turbulence caused by the irrigation solution. By fastening the ACM to the cornea, the ACM is less likely to shift around or become dislodged from the eye during surgery. The ACM can be integrated with iris retractors to hold the position of a floppy iris during surgery.

The invention belongs to the technical field of medical drugs, and particularly relates to flushing fluid for surgical operation and a preparation method of the flushing fluid. The flushing fluid for the surgical operation is formed by taking sodium hyaluronate, hydroxyethyl cellulose, trehalose and D-panthenol as active ingredients and sodium chloride and phosphate as buffer solutions, and has good moisture retention, lubricity, biocompatibility and biodegradability; in the abdominal and pelvic cavity operation process, the effect of keeping exposed visceral organs and tissue surfaces wet is achieved, and visceral tissues can be effectively prevented from being dry and losing water. By generating a layer of protective water film on the surfaces of visceral organs, the flushing fluid for the surgical operation can prevent the conditions of visceral organ serous membrane injury and tissue adhesion during and after the operation. Meanwhile, sodium hyaluronate and D-panthenol contained in the flushing fluid for the surgical operation have the anti-inflammatory characteristic, the wound healing process can be accelerated, and the occurrence rate of postoperative complications is reduced.

This invention relates to the field of wound disinfection technology, and more particularly to an antibacterial wound irrigation solution and its preparation method. The preparation method includes the following steps: Vitamin E and glycerin are mixed at 40-50°C according to the prescribed amounts to form mixture A; poloxamer is added to water and stirred until dissolved, then added to mixture A to form mixture B; sodium citrate, sodium chloride, and L-menthol are added to water according to the prescribed amounts to form mixture C; copper gluconate is added to mixture C according to the prescribed amounts to form mixture D; mixture B is added dropwise to mixture D to form mixture E; the pH of mixture E is adjusted to 4.5-6.5, filtered, filled, and sterilized to obtain the antibacterial wound irrigation solution. This invention optimizes the preparation process, resulting in an antibacterial wound irrigation solution with excellent stability; and through the synergistic effect of the components, the prepared irrigation solution exhibits significant antibacterial efficacy.

A home-use closed-loop circulation type bladder irrigation system according to an embodiment of the present disclosure comprises: an irrigation solution storage unit; and a catheter including a first passage, which corresponds to a conduit through which a first fluid discharged from the irrigation solution storage unit moves to the bladder, and a second passage, which corresponds to a conduit through which a second fluid discharged from the bladder moves to the irrigation solution storage unit, wherein the first fluid may include at least one of an irrigation solution or a therapeutic solution, and the second fluid may include the irrigation solution and foreign substances.

Novel, inexpensive, and highly effective methods and devices for convenient and effective wound irrigation are described herein. Methods and devices disclosed herein utilize a synergistic combination of two or more antiseptic agents to reduce contact time, enhance antimicrobial effects, and reduce the likelihood of allergy and other side effects from the antiseptic agents in subjects. In one embodiment, devices include a discharge means for a reservoir housing containing irrigation solution wherein the discharge means has one or more specifically designed nozzles through which a sufficient volume of the irrigation solution can pass at an appropriate pressure.

This utility model discloses a nasopharyngeal irrigation spray nozzle, including a main structure, a pressing component disposed on the main structure, and a sprayer connected to the outer periphery of the pressing component. The sprayer can be rotated relative to the pressing component to adjust its angle. By applying pressure to the pressing component, the pressing component absorbs nasopharyngeal irrigation solution within the bottle and then sprays it out through the sprayer into the patient's nasal cavity. The nasopharyngeal irrigation spray nozzle of this utility model allows for angle adjustment by rotating the sprayer relative to the pressing component, facilitating easier insertion of the sprayer's nozzle into the patient's nasal cavity, thereby better spraying the medication into the nasal cavity of a lying patient.

This utility model provides a urological nursing irrigation device, including a main body, comprising: a worktable, side plates on both sides of the worktable, a buffer plate on one side of the side plates, a collection hopper inside the worktable, a collection trough inside the collection hopper, a waste liquid tank at the bottom of the collection hopper, a waste liquid trough inside the waste liquid tank, a retaining ring inside the waste liquid trough, a limiting rod inside the retaining ring, and a sponge plate on top of the limiting rod. When using this utility model, with legs open, the legs rest on the buffer plate on one side of the side plates, reducing leg pain caused by prolonged leg opening. The irrigation solution enters the waste liquid trough inside the waste liquid tank through the collection trough inside the collection hopper. The sponge plate on top of the limiting rod inside the waste liquid trough prevents liquid splashing and secondary pollution when waste liquid enters.