16 results about "Irrigation Solutions" patented technology

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.

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.

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 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.

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.

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.

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 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 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.

A modular plant protection and irrigation device includes interconnecting members forming a base flange and a central raised collar. The rim of the collar defines an internal passage configured to receive an irrigation hose about an inner circumference of the collar. By means of the design, water can be efficiently dripped into the lantern ring through the hose, and therefore plants such as trees and shrubs can be protected and irrigated at the same time. The device is designed to be easy to assemble and stable to install, a concealed integrated irrigation scheme is provided, and uniform water distribution and mechanical protection of plant bases are ensured.

Irrigation syringes with syringe couplers that facilitate double dispensing of intravenous irrigation solution to a patient's vascular access device (VAD) and reduce the risk of VAD infection. The syringe coupler is provided on its proximal end with a female first luer connector that is removably coupled to a male barrel luer connector of the syringe, isolating the latter connector from external contamination. The syringe coupler also has a single-use male second luer connector on a distal end of its housing, the male second luer connector adapted to be coupled into the VAD of the patient for delivery of at least a portion of the irrigation solution held within the syringe. After the first delivery, the syringe coupler is disengaged from both the VAD and the syringe. Thereafter, an unused, sterile male luer connector of the syringe is directly coupled to the VAD for dispensing a second portion of the flushing 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.