307 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.

The utility model discloses a simple plug-in clysis flushing appliance, which comprises a liquid storage bag, a connecting tube, an intubation tube and a sealing ring, flushing fluid is stored in the liquid storage bag, one end of the connecting tube is connected with the liquid storage bag and used for leading out the flushing fluid in the liquid storage bag, the intubation tube is suitable for being inserted into the anus of a patient, and the sealing ring is arranged on the connecting tube. The other end of the connecting pipe is connected with the tail end of the intubation tube, a plurality of grooves are formed in the surface of the intubation tube, extend in the length direction of the intubation tube and are distributed at intervals in the circumferential direction of the intubation tube, a plurality of liquid outlet holes are formed in each groove, the liquid outlet holes are all communicated with the connecting pipe, and the liquid outlet holes are communicated with the connecting pipe. The sealing ring is arranged on the outer surface of the cannula and can be switched between the contracted state and the expanded state, when the sealing ring is in the expanded state, a gap between the cannula and the anus can be blocked, and the sealing device is simple in structure, convenient to use and good in using effect.

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.

A container for medical use, e.g. for rectal or transanal irrigation, forms a closed compartment. The container comprises a neck extending out from a body of the container and defining an opening at a free end of the neck. An actuator member is connected to the neck and arranged to allow rotation of the actuator member relative to the neck in a circumferential direction of the neck but hinder movement of the actuator member relative to the neck in an axial direction of the neck. A valve member has a closed valve bottom and a valve sleeve, with an opening formed in a side wall of the valve sleeve. The valve sleeve is arranged to be moved in an axial direction upon rotation of the actuator member between a closed position, and an open position. The valve bottom forms a slanted surface.

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.

An irrigation system for a vertical farm system including one or more irrigation stations, each of the one or more irrigation stations including one or more tanks that hold irrigation fluid, and one or more spigots that deliver the irrigation fluid from the one or more tanks to the vertical farm system. Each of the one or more irrigation stations includes a plurality of sub-assemblies, and each sub-assembly includes a corresponding one of the one or more tanks and a corresponding one of the one or more spigots.

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.

The disclosure relates to a portable system for irrigating the bowels of a user. The portable system includes a container which can contain a volume of irrigation liquid. The container has a flexible neck having a first internal surface portion and a first external surface portion where the first internal surface portion defines a container opening along a height of the flexible neck of the container. The portable system includes a closure that is suitable for closing the system. The container and the closure are separable from each other, and they form two individual elements of the portable system which facilitates easy and thorough cleaning of the components of the system. The closure of the portable system is further adapted to seal and close the container during use of the system.

The disclosed technology includes an irrigation tube for a medical catheter. The irrigation tube can include a flexible tube extending along a longitudinal axis from a proximal end to a distal end. The irrigation tube can include a pull wire attached to the flexible tube, the pull wire configured to deflect at least the distal end of the irrigation tube radially outward from the longitudinal axis. The irrigation tube can include an aperture proximate the distal end of the flexible tube, the aperture configured to direct an irrigation fluid outwardly from the irrigation tube so that irrigation fluid is directed generally in a direction of deflection by the pull wire.

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.

The present invention discloses a minimally invasive dental pulp-opening device, a preparation method and an application. The minimally invasive dental pulp-opening device comprises: an affected tooth fixing module, which is used to fix the affected tooth of the user and expose the occlusal surface of the affected tooth to the working field of the drilling pulp-opening module; the drilling pulp-opening module is provided with a drill bit, and the drill bit is provided with a flushing passage and a suction passage inside, which are used to perform drilling pulp-opening on the occlusal surface of the tooth according to a predetermined path, and to flush the working surface of the drill bit through the flushing passage with medical flushing liquid, and to suck back the liquid in the oral cavity through the suction passage; and an adjustment module, which is used to adjust the working position and working angle of the drill bit of the drilling pulp-opening module on the occlusal surface of the tooth.

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.