150 results about "Irrigation fluids" patented technology

An endodontic microcannula system for evacuation of root canal contents from a root canal of a patient. The system includes a microcannula for insertion into the root canal, a handpiece for vibrating the microcannula while it is disposed within the root canal, and an irrigation fluid reservoir for supplying irrigation fluid to the root canal, an a vacuum source for drawing the fluid and root canal debris into the microcannula and out of the root canal.

The intelligent gynecological flushing system comprises a gynecological flushing platform, a colposcope image guiding system, a self-adaptive flushing execution system and an evaluation feedback optimization system, and the gynecological flushing platform is used for supporting a patient to conduct gynecological flushing; the colposcope image guiding system is used for collecting colposcope image data, identifying lesion characteristics based on an image identification technology, and transmitting an identification result to the self-adaptive flushing execution system; the self-adaptive flushing execution system is used for carrying out self-adaptive gynecological flushing on the focus part by utilizing flushing fluid according to the guidance of the colposcope image guidance system and based on the basic information of the patient; and the evaluation feedback optimization system is used for collecting the components of the flushing fluid after flushing and the reaction of the flushing part, performing quantitative evaluation on the flushing effect, feeding back the evaluation result to the self-adaptive flushing execution system, and optimizing the self-adaptive flushing parameters of the self-adaptive flushing execution system. According to the invention, the stability and accuracy of the flushing process can be ensured.

The invention relates to an intelligent control method and system for an internal cooling wet preparation nickel-titanium root canal treatment file, and solves the problems that traditional control is difficult to adapt to treatment requirements of root canals in different forms, excessive or insufficient cutting is likely to occur, and complications such as root canal wall lateral penetration and instrument breakage are caused. The method comprises the following steps: iteratively optimizing a root canal preparation strategy through a multi-target reward function by taking pressure, temperature, cleaning effect and anatomical characteristics as state spaces and taking a filing tool rotating speed, a motion mode and flushing fluid flow as action spaces, and generating a parameter combination comprising the optimal rotating speed, the optimal motion mode and the optimal flushing fluid flow; the parameter combination is output to a control system to drive the nickel-titanium root canal treatment file to execute corresponding operation, a safety threshold value is dynamically corrected according to the treatment stage and anatomical characteristics, and when the parameters deviate from the threshold value, early warning is triggered and compensation is executed. The method has the advantages that multi-parameter intelligent regulation and control are achieved, and the safety and effectiveness of root canal therapy are improved.

Systems and methods of in situ unclogging a working channel in a medical device during a procedure are disclosed. An exemplary unclogging system comprises a flow sensor to sense a flow rate through a working channel, and a control module to detect a channel state indicating a presence or absence of clogging based on the flow rate. In the presence of channel clogging, the control module can control one or more of an irrigation source or a suction source to provide respectively irrigation fluid or suction pressure to unclog the obstructed channel. The control module can adjust one or more of an irrigation flow rate or a suction flow rate through the working channel to maintain a desired pressure of the anatomical environment at the anatomical site, or to maintain a desired flow condition in the working channel, during the procedure.

Systems and methods of in situ unclogging a working channel in a medical device during a procedure are disclosed. An exemplary unclogging system comprises a flow sensor to sense a flow rate through a working channel, and a control module to detect a channel state indicating a presence or absence of clogging based on the flow rate. In the presence of channel clogging, the control module can control one or more of an irrigation source or a suction source to provide respectively irrigation fluid or suction pressure to unclog the obstructed channel. The control module can adjust one or more of an irrigation flow rate or a suction flow rate through the working channel to maintain a desired pressure of the anatomical environment at the anatomical site, or to maintain a desired flow condition in the working channel, during the procedure.

The utility model discloses a flush liquid auxiliary suspension trolley in operation, including the car body and the hanger, the hanger vertical orientation is arranged on the hanger, the car body top is provided with the top groove of liquid bag placement, the hanger top is provided with the hook, still include drive assembly and transmission assembly, the hanger is separatedly arranged with the hook, drive assembly setting in the car body interior, the power receiving end of transmission assembly is connected with the power output end transmission of drive assembly, transmission assembly extends to its top end through the hanger, the power output end of transmission assembly is connected with the hook, through separating the hook with the hanger, and utilize drive assembly and transmission assembly mutual cooperation, reach the effect of driving the hook ascending or descending. The utility model provides flush liquid auxiliary suspension trolley in operation has the effect that liquid bag can be hung without lifting liquid bag.

Embodiments of the disclosure include apparatus which includes a polishing pad and a pad conditioning arm. The polishing pad is disposed on a platen. The pad conditioning arm is disposed above a top portion of a platen shield and has a first end and a second end. A pad conditioning disk is coupled to the first end. The pad conditioning disk has a disk surface configured to interface with a surface of the polishing pad. The disk surface is configured to actuate between an outer diameter of the platen and a lateral portion of a substrate carrier. An irrigation fluid delivery system is configured to flow a pressurized irrigation fluid from a fluid source disposed below the platen through at least one nozzle of the pad conditioning arm. The at least one nozzle is configured to direct the pressurized irrigation fluid towards the surface of the polishing pad.

An intravascular device and methods of using the same are provided. An expandable portion includes struts movable between a collapsed position and an expanded position, and tissue modification element(s), each having a lower portion residing within or attached to one of the struts, an upper portion which extends outwardly from an outer surface of the strut and physically interacts with tissue during use. Irrigation and / or suction device(s) are provided for providing at least one of irrigation fluid and suction force at the expandable portion when operated.

Kidney stone removal system is disclosed having components including a handle mechanism, a nozzle tip, and a guiding device. The handle mechanism employs a trigger that enables control of irrigation and vacuum / suction. Depression of a trigger in the trigger mechanism conveys status of vacuum / suction and irrigation to a user by providing increased resistance at different points of depression. When the trigger is in a home (undepressed) position, irrigation and vacuum / suction are turned off. When the trigger is in a fully depressed position, irrigation and vacuum / suction are turned on. When the trigger is in an intermediate position, irrigation may be turned on, while vacuum / suction remains turned off. The nozzle includes one or more irrigation ports positioned at a distal end of the nozzle and having an irrigation port departure angle of 30 to 60 degrees for directing irrigation fluid forward and laterally from the distal end of the nozzle. The guiding device is configured to be removably positioned in the nozzle for receiving a debris fragmentizing device, such as a laser device. The guiding device is configured to prevent an unintended movement of the fragmentizing device when the fragmentizing device is positioned in the nozzle while allowing fluid and debris to flow past the fragmentizing device and through a vacuum tube.

This utility model discloses a vaginal irrigation device, relating to the field of medical device technology. The utility model includes a delivery tube, an irrigation tube, and a storage tank. A mesh tube is rotatably arranged along the circumference of the inner wall of the irrigation tube. An impeller is fixed to one end of the mesh tube near the delivery tube. Several diversion holes are evenly distributed in a circular array along the circumferential side of the irrigation tube, and these diversion holes are located along the rotation path of the mesh holes on the mesh tube. This utility model, by setting multiple diversion holes of different sizes on the circumferential side of the irrigation tube, gradually reduces the inner diameter of the diversion holes from near the inner wall of the irrigation tube to away from it. The further inward the diversion holes contract, the greater the water flow velocity at the outlet of the diversion holes. Consequently, the irrigation force of the irrigation fluid flowing out of the irrigation tube varies; a lower water flow velocity results in a weaker irrigation force, thus providing a gentler irrigation, while a higher water flow velocity provides a stronger irrigation force, effectively flushing away stubborn bacteria and improving the efficiency of vaginal irrigation.

The utility model discloses a recycling bin for percutaneous nephroscope operation perfusion flushing fluid, and relates to the field of percutaneous nephroscope operations, the recycling bin comprises a bin body, the top of the bin body is detachably connected with a sealing cover, the bottom of the sealing cover is fixedly provided with a sealing gasket, and the top of the sealing cover is provided with an inductive sensor body; and perspective windows are arranged on the front faces of the two sides of the barrel body, gauges are arranged on the front faces of the perspective windows, rolling wheels are fixedly installed at the bottoms of the two sides of the barrel body, and hydraulic cylinder bodies are arranged at the bottoms of the two sides of the barrel body. Through the arrangement of the barrel body and the perspective window, washing liquid can be stored and checked, the sealing cover is arranged, the recycling barrel can be sealed, the hydraulic cylinder body and the rolling wheels are arranged, the recycling barrel can be easily moved and stably fixed, meanwhile, the limiting plate and the spring are arranged, a drainage pipe can be limited and stored, and the recycling barrel is convenient to use. A communicating pipe and a connecting pipe are arranged, so that the drainage pipe can be detached, cleaned or replaced.

The utility model relates to the technical field of clinical treatment, and discloses intestinal lavage equipment which comprises a storage tank, the top of the storage tank is in threaded connection with a sealing cover, a stretching rod is inserted into the sealing cover, an adjusting valve is arranged on the outer wall of the storage tank, an observation pipe is arranged on one side of the adjusting valve, and an opening is formed in the other side of the adjusting valve. A hose is clamped on one side of the observation tube, and an enema tube is arranged on one side of the hose. According to the intestinal lavage equipment, through cooperative arrangement of a storage tank, a sealing cover, a stretching rod and an adjusting valve, liquid can be better pressed and adjusted to flow out when the equipment is used, the phenomenon of internal blockage is reduced, back-and-forth cleaning and disinfection treatment of a doctor in the later period is facilitated, and the convenience in the operation process is improved; the flow velocity of lavage fluid can be flexibly adjusted when a medical worker conducts lavage on the intestinal tract of a patient, pain caused to the patient is reduced, and the flow condition of the lavage fluid can be visually known through matched arrangement of the observation tube, the hose and the enema tube.

An endoscope includes a handle including a handle housing, an irrigation inlet port adapted to receive irrigation fluid, and an irrigation channel; and an insertion cord extending distally from the handle. The insertion cord includes an insertion tube; a bending section extending from the insertion tube; a distal tip extending from the bending section and including a tip housing; a camera at least partially enclosed in the tip housing; interstitial space within the insertion tube in fluid communication with the irrigation channel; and at least one interstitial flow opening in fluid communication with the interstitial space and adapted to discharge the irrigation fluid.

A method for cleaning a surface that is selected from at least one of a medical device surface and a soft tissue surface includes the steps of: contacting the surface with bristles of a moving brush head that is part of a powered hand-held device; and dispensing onto the surface an irrigation fluid through the brush head and a dispensing opening formed along the brush head.

This invention belongs to the field of medical device technology and provides a constant-temperature warming device for bladder irrigation fluid. The invention includes: a centralized constant-temperature storage tank for centralized preheating and constant-temperature storage of at least one bag of irrigation fluid; and at least one bedside rechargeable tubing temperature monitoring device, which is clamped to the outer wall of the bladder irrigation tubing at the bedside to perform secondary heating or temperature maintenance of the irrigation fluid flowing within the tubing. In summary, this device, through the coordinated operation of the "centralized constant-temperature storage tank" and the "bedside rechargeable tubing temperature monitoring device," coupled with a convenient charging and storage structure and a three-dimensional positioning component, effectively solves the defects existing in the prior art. This solution has a reasonable structural design, high functional integration, and simple operation process, which not only improves the efficiency and safety of nursing work but also provides patients with a more comfortable treatment experience, demonstrating good clinical application prospects and promotional value.

A phacoemulsification system and a corresponding method are described. The system having a handpiece having a needle and a sleeve at a distal end to emulsify a lens of an eye; an irrigation module configured to supply irrigation fluid into the eye; an aspiration module configured for aspiring eye fluid; a priming cover for fitting over the distal end of the handpiece during a priming process; external pressure sensors coupled with the priming cover; one or more sensors for monitoring at least one of an irrigation pressure and an aspiration pressure; and a processor configured to operate in a priming process. The priming process includes operating the irrigation module to fill the irrigation channel with fluid and remove air bubbles. The one or more processors are configured for obtaining calibration pressure data from the external pressure sensors and for calibrating the sensors of the system.

The water conservancy irrigation device comprises a water storage tank, a motor is arranged at the top of the water storage tank, an output shaft of the motor penetrates through the water storage tank and extends into the water storage tank, a vertical transmission rod is arranged in the water storage tank, and the top of the transmission rod is fixedly connected with the output shaft of the motor; the bottom of the transmission rod is rotationally connected with the bottom of the water storage tank, a plurality of stirring rods are symmetrically arranged on the outer side face perpendicular to the transmission rod, a driving mechanism is arranged on the transmission rod and located below the stirring rods, and two auxiliary stirring mechanisms are arranged in the water storage tank and connected with the driving mechanism. The technical problems that an existing irrigation device can only conduct stirring in one rotary stirring direction, the stirring and mixing speed is not high, the fusion time of fertilizer and irrigation liquid is prolonged, the irrigation time is indirectly prolonged, and the irrigation efficiency is reduced can be solved.

An irrigation system is disclosed, the system comprising a housing comprising a reservoir for containing an irrigation liquid, and an electronics compartment sealed from the reservoir; a tubing providing fluid communication between the reservoir and a catheter for use with the irrigation system; a control unit comprising at least one processor; a pump for pressurizing the reservoir to facilitate a flow of irrigation liquid from the reservoir, through the tubing, to the catheter, the pump being controllable by the at least one processor; an absolute pressure sensor in communication with the at least one processor and configured to measure the absolute pressure in the reservoir; and a relative pressure sensor in communication with the at least one processor and configured to measure the relative pressure between the reservoir and the electronics compartment. The at least one processor is configured to control the irrigation procedure in accordance with the absolute pressure and the relative pressure.

The utility model relates to the technical field of agricultural planting detection, and provides an irrigation system detection device. The irrigation system detection device comprises a support, an irrigation liquid volume detection assembly comprises a first collection mechanism and a first container, a first sensor is arranged at the bottom of the first container, a leaching liquid volume detection assembly comprises a second collection mechanism and a second container, and a second sensor is arranged at the bottom of the second container. The detection box is communicated with the first container and the second container, a first electrode and a second electrode are arranged on the detection box, the first electrode is used for detecting the pH value of the irrigation liquid or the leachate, and the second electrode is used for detecting the water-soluble salt concentration of the irrigation liquid or the leachate. The irrigation system detection device provided by the utility model can be directly arranged in the irrigation system together with the to-be-detected plant, data information of the irrigation system can be rapidly acquired in real time, irrigation data can be more accurately and timely adjusted according to the acquired data information, and the influence on plant growth is reduced.

This article is a suction and water supply coagulation device used in endoscopic surgery. It is a surgical instrument that combines the functions of a suction and water supply nozzle, which draws bodily fluids such as blood out of the body and supplies irrigation fluid or the like from outside the body to the area surrounding the affected area, with the function of an electrode, which applies high-frequency current to an incised area such as a tumor excised with a scalpel to coagulate tissue. The suction and water supply coagulation device is composed of a long, slender, linear shaft and an operating unit located at the base end of the shaft, through which the surgeon performs operations such as suction, water supply, and coagulation. The shaft is made of a hollow, cylindrical metal pipe as its base material. The tip is pressurized and deformed into a tapered shape in plan view, changing the cross-sectional shape of the pipe from a circular to an elliptical shape, and the tip is machined and polished into a gently curved long sword shape in front view. Almost the entire shaft, from the base end, is covered with an electrically insulating material, with a metal portion exposed at the tip, forming the electrode.

This invention relates to the field of medical device technology, specifically to an orthopedic wound irrigation device, comprising an irrigation handle and a reservoir for storing irrigation fluid. An irrigation tube is fixedly connected inside the irrigation handle, and a negative pressure tube is externally connected to the irrigation tube. A filter element is fixedly connected to the end of the negative pressure tube away from the irrigation handle, and the filter element is fixedly connected to the side wall of the irrigation tube. A cleaning component for automatically cleaning the filter element is provided inside the negative pressure tube. A delivery component for conveying the irrigation fluid in the reservoir to the irrigation tube, and a negative pressure component for generating negative pressure in the negative pressure tube to draw out waste irrigation fluid from the wound, are provided on the side wall of the reservoir. A switching component is provided on the negative pressure component; when the filter element becomes clogged, the switching component diverts the irrigation fluid from the irrigation tube to the negative pressure tube, performing reverse irrigation on the filter element. This invention can realize the functions of wound irrigation and waste fluid recovery, and has automatic anti-clogging and self-cleaning functions, thereby improving irrigation efficiency.

A capillary irrigation pot system, comprising a pot housing, a pot liner configurable for receiving within said pot housing, wherein once received within the pot housing gives rise to an irrigation liquid reservoir extending between an inside wall surface of the pot housing and an outside wall surface of the pot liner, and a capillary assembly comprising a capillary media received within a substantially liquid impermeable sheathe, where a first end of the capillary media projecting from a first end of the sheath extends at a bottom portion of the irrigation liquid reservoir, and a second end of the capillary media projecting from a second end of the sheath extends within a bottom portion of the pot liner, and where an intermediate portion of the capillary assembly is configured to extend over a top portion of the pot liner.

Embodiments of the present invention are directed to a subsurface irrigation system configured to operate in a plant-responsive mode and further configured to make specific adaptations in response to plant stress. Stress adaptations can include, for example, selectively increasing the source pressure of the irrigation fluid, heating or cooling the irrigation fluid, and / or injecting fertilizers and / or non-fertilizer amendments into the irrigation fluid.

A method for ablating body tissue is disclosed, the method comprising generating an ablation signal and providing the ablation signal to an ablation probe in contact with tissue. An irrigation fluid is delivered to the ablation probe so as to be applied proximate to the tissue when the ablation signal is applied to the tissue. A signal is received from the ablation probe indicating an estimated instantaneous contact force applied by the ablation probe against the tissue. A flow rate of the irrigation fluid is adjusted in response to the estimated instantaneous contact force.

The invention provides a bladder irrigation device based on pressure and flow monitoring and automatic blockage removal functions. The bladder irrigation device comprises a sensor module, an automatic blockage removal module, an irrigation fluid regulation and control module and a control and data analysis module. The sensor module monitors the pressure, the flow and the liquid discharge state of flushing liquid in real time; the automatic blockage removing module is composed of a blockage detecting sub-module, a blockage removing device and a cleaning and maintaining sub-module, and pipeline cleaning is carried out by detecting blockage and starting flushing to remove the blockage; the flushing fluid regulation and control module is composed of a flushing fluid injection sub-module and a temperature regulation and control sub-module, and a proper flushing mode is provided by regulating the flow, pressure and temperature of fluid. The control and data analysis module is composed of a processor and an alarm sub-module and used for receiving data of the sensor module, operating a blockage detection algorithm, regulating and controlling the flow and pressure of the flushing fluid in real time and giving an alarm through sound or optical signals when blockage or abnormal conditions occur.

The utility model discloses an intraoperative flushing device and a flushing fluid heating device and a flushing fluid heating assembly used for the intraoperative flushing device, the flushing fluid heating device comprises two heat conducting plates which are detachably assembled together, at least one of the heat conducting plates forms a flat-plate-shaped concave part at the middle main body part of the adjacent inner side surfaces of the two heat conducting plates, and the flat-plate-shaped concave part is arranged in the middle main body part of the adjacent inner side surfaces of the two heat conducting plates. The two heat-conducting plates are arranged in parallel, so that a hollow space formed by a flat-plate-shaped concave part is formed between the two heat-conducting plates, the hollow space is suitable for receiving a flexible bag used for containing flushing fluid and enabling the flexible bag to be in surface contact with the inner side surfaces of the two heat-conducting plates, and the flexible bag is provided with a fluid inlet and outlet through which the flushing fluid flows in and out; the heating element is attached to the outer side surface of the heat conducting plate; and the temperature sensor is fixedly mounted at the flat-plate-shaped concave part of one of the heat conducting plates. According to the utility model, the flushing fluid to be used can be accurately heated to a proper temperature in an operating room, so that the discomfort of a patient caused by overcooling or overheating of the flushing fluid is avoided.

The utility model discloses a prostate resection operation flushing fluid and tissue collecting device which comprises a transparent waste liquid storage box, a connecting hole is formed in the top of one side of the transparent waste liquid storage box, a collecting bag is arranged on one side of the top of the transparent waste liquid storage box, and the bottom of the collecting bag is communicated with a leather hose. The bottom of the leather hose penetrates through the connecting hole and extends into the transparent waste liquid storage box, a filter screen is fixedly connected to the center in the collecting bag, and a lengthened pad is fixedly connected to the rear side of the collecting bag. According to the flushing fluid and tissue collecting device for the prostate resection operation, through the scale marks arranged on the front surface of the transparent waste liquid storage box, accurate metering and real-time monitoring of the flushing fluid output amount are achieved, and compared with a traditional manual estimation or simple recording method, the device remarkably improves the accuracy and the real-time performance of data, and the accuracy and the real-time performance of the data are improved. Treatment delay or resource waste caused by estimation errors is effectively avoided, and a more reliable basis is provided for decision making in the operation process.

The present invention is titled Systems and Methods for Temperature Control in Irrigation Ablation. A catheter ablation system includes: a catheter probe having a distal end, the catheter probe including: a temperature sensor; a plurality of irrigation holes; and an ablation electrode; a radio frequency (RF) heating controller coupled to the catheter probe and configured to supply RF energy to the ablation electrode to control the ablation electrode to emit heat at a target power; an irrigation controller coupled to the catheter probe and configured to supply irrigation fluid through the catheter probe at a continuously adjustable irrigation flow rate to exit through the irrigation holes; and an operating console having a processor and a memory, the memory storing instructions that, when executed by the processor, cause the processor to control the irrigation controller to set the irrigation flow rate based on the target power and the target average temperature.

A method of removing a thrombus including providing an aspiration lumen with an irrigation lumen disposed within the aspiration lumen, providing a control box configured to fluidly communicate with an aspiration lumen and a vacuum source, a valve being disposed between a distal end of the aspiration lumen and the vacuum source, positioning the aspiration lumen into a vasculature of a patient, advancing the aspiration lumen and the irrigation lumen to a region of interest, and operating the control box to draw the thrombus into the aspiration lumen and control flow of an irrigation fluid through the irrigation lumen and from an orifice disposed proximal to a distal end of the aspiration lumen.

An irrigation system 300 for a surgical tool piece is provided. The irrigation system comprises an irrigation unit 400 and a housing unit 500. The irrigation unit has a body comprising a tool channel (410, Fig.4) configured to receive the surgical tool piece 600 and an irrigation channel (420, Fig.4) which opens into the tool channel to allow the supply of irrigation fluid from an external source to the tool channel or removal of irrigation fluid from the tool channel to an outlet. The housing unit 500 is configured to receive the irrigation unit and the surgical tool piece, such that when the irrigation unit is received within the housing unit, the surgical tool piece may be inserted into the housing unit and into the tool channel to secure the irrigation unit into the housing unit. The housing unit may have a longitudinal cavity configured to receive a coupling portion of the surgical tool piece; and a transverse cavity configured to receive the irrigation unit. The invention aims to provide an irrigation unit system that allows repeated and easy use with multiple surgical tool piece.