195 results about "Irrigation fluids" patented technology

A catheter configured to deliver therapeutic energy to a tissue is disclosed. The catheter comprises an elongate shaft extending along a shaft longitudinal axis. The catheter further comprises a flexible tip assembly coupled to a distal end of the elongate shaft, the flexible tip assembly comprising at least three mapping electrodes equally spaced about a circumference of the flexible tip, a flexible ablation electrode, and a plurality of irrigation ports. The catheter further comprises an irrigation lumen extending through the elongate shaft and into an interior of the flexible tip assembly, wherein the irrigation lumen is configured to direct irrigation fluid to the plurality of irrigation ports.

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.

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.

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.

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 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 invention discloses a double-side-opening palm pushing type negative pressure root canal irrigation syringe, and relates to the technical field, the double-side-opening palm pushing type negative pressure root canal irrigation syringe comprises a negative pressure suction tube, the outer wall of the negative pressure suction tube is fixedly sleeved with a blocking cover, the negative pressure suction tube is axially provided with a negative pressure channel, the blocking cover is internally provided with an irrigation fluid channel, and one end of an irrigation needle is fixedly inserted into the side wall of the blocking cover; the end of the flushing needle head is of a closed structure, a first opening and a second opening which are oppositely arranged are formed in the side wall of the end of the flushing needle head, the blocking cover is detachably connected with the needle cylinder, a piston is inserted into the needle cylinder in a sliding mode, and a piston handle is fixedly inserted into the axial side wall of the piston. The root canal flushing device is suitable for root canal flushing in the root canal treatment process, chippings generated in the root canal preparation process can be removed in time through the negative pressure suction effect of the root canal flushing device, the possibility that a flushing fluid is pressed out of a root tip hole is reduced through the flushing needle head with the openings in the two sides, the disinfection and cleaning capacity of a flushing agent on a root canal system is improved, and meanwhile the root canal flushing device is convenient to use. The palm-pushing type handle is convenient for doctors to operate, and the flushing safety and efficiency are improved.

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.

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.

A system for detecting intraocular pressure events during phacoemulsification surgery having a surgical console, a handpiece having a proximal end being communicatively connected to an irrigation line and an aspiration line; a first sensor in communication with the aspiration line or the irrigation line for providing a first measurement value; and a second sensor in communication with the aspiration line for providing a second measurement value; and wherein at least one characteristic of the irrigation fluid or aspiration fluid in their respective lines is changed in accordance with the difference between the first measurement value and the second measurement value. A system for calibrating patient eye level and wound leakage; detecting occlusion or post occlusion surge; determining BSS usage or remaining in a container; and detecting a fluid line abnormality using a first sensor and a second sensor in different configurations and differences in first and second measurement values.

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.

An irrigation drape assembly includes: a drape portion configured to be positioned beneath a body portion on which a medical procedure is being performed; a collection portion configured to collect irrigation fluid produced during the medical procedure on the body portion, thus defining collected irrigation fluid; a evacuation portion coupled to the collection portion and configured to receive the collected irrigation fluid and direct the collected irrigation fluid toward an evacuation port included in the evacuation portion; and a straining assembly configured to strain solids / semisolids from the collected irrigation fluid and prevent the solids / semisolids from entering the evacuation port, thus defining strained irrigation fluid.

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.

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.

A dental implement includes a cutting head and a guide body. The cutting head defines proximal and distal ends and includes at least one cutting surface, with all cutting surfaces of the implement being exclusively located on the cutting head. The guide body is positioned proximally of the cutting surfaces and includes at least one longitudinal flute that extends between proximal and distal ends of the guide body. The flute is configured to facilitate communication of irrigation fluid to a surgical site within a patient. A stop is formed integrally with the guide body and extends radially outward from its proximal end. The stop defines a maximum transverse cross-section of the implement extending orthogonally to the implement's longitudinal axis and is configured to contact a surgical guide to limit advancement of the implement during use.