208 results about "Tracheal cannulation" patented technology

The invention relates to the technical field of trachea cannulas, in particular to a multifunctional respiratory intervention trachea cannula which comprises a cannula body, an air bag is arranged at the insertion end of the cannula body, the air bag is connected with an inflation and deflation pipeline, an annular channel is formed in the side, close to the air bag, of the cannula body, and an angle adjusting assembly is arranged in the annular channel; the angle adjusting assembly comprises a plurality of bent pipes which are rotationally connected in sequence, and in every two adjacent bent pipes, at least one bent pipe is connected with a driving structure for driving the bent pipe to rotate relative to the other bent pipe; a liquid collecting groove is formed in the side, away from the inserting end of the catheter body, of the air bag, and a diluent pipeline and a sputum suction pipeline with one ends extending into the liquid collecting groove are arranged on the catheter body. According to the angle adjusting assembly, through the stacked design of the multiple small-angle bent pipes, precise control over the bending angle of the pipe body is achieved. By rotating the bent pipe, the combined form of the bent pipe can be gradually adjusted, so that the insertion end of the pipe body is accurately aligned with the glottis.

The invention provides an efficient antibacterial trachea cannula and a preparation method thereof, and relates to the technical field of medical implant materials.The preparation method comprises the following steps that S1, ofloxacin is placed in a first activating agent to be subjected to first activating treatment, activated ofloxacin is obtained, and the activated ofloxacin contains amido; s2, salbutamol is placed in a second activating agent to be subjected to second activating treatment, activated salbutamol is obtained, and the activated salbutamol contains ether groups; s3, the silica gel trachea cannula is subjected to third activation treatment, an activated silica gel trachea cannula is obtained, and the surface of the activated silica gel trachea cannula contains silanol groups; s4, the activated ofloxacin and the activated salbutamol are grafted to the surface of the activated silica gel trachea cannula, and the efficient antibacterial trachea cannula is obtained. According to the invention, ofloxacin and salbutamol are respectively activated, so that the ofloxacin and the salbutamol are connected to the surface of the silica gel trachea cannula, and the trachea cannula has efficient antibacterial property and tracheal adaptability.

The utility model relates to a visual laryngoscope for a difficult airway, which can effectively reduce operation difficulty and improve use convenience and comprises a laryngoscope handle, a display screen arranged above the laryngoscope handle and a first laryngoscope tube arranged below the laryngoscope handle, and the outer end of the first laryngoscope tube is connected with a second laryngoscope tube through a bendable adjusting portion. Annular clamping grooves are formed in the first mirror tube and the second mirror tube; a lens and an illuminating lamp are arranged at the front end of the second laryngoscope tube, and an adjusting handle for controlling the adjusting part to bend is arranged on the laryngoscope handle. The utility model further provides a trachea cannula protection sleeve device, iatrogenic airway infection can be effectively reduced, the trachea cannula protection sleeve device comprises an endoscope tube protection sleeve and a cannula protection sleeve which are arranged side by side, the outer walls of the endoscope tube protection sleeve and the cannula protection sleeve are fixedly connected together, the inner diameter of the endoscope tube protection sleeve is matched with the outer diameter of the endoscope tube, and two soft tightening parts corresponding to the clamping grooves are arranged on the endoscope tube protection sleeve. A rubber band is arranged at the tightening part; and a perspective lens is sealed at the front end of the lens tube protective sleeve.

The utility model provides a trachea cannula fixing structure, which relates to the technical field of trachea cannula fixing and comprises a fixing plate, an open slot formed in the middle of the fixing plate, connectors mounted on two sides of the outer end of the fixing plate and a fixing component arranged in the open slot. The fixing assembly comprises a left fixing clamping block, a right fixing clamping block, a movable rod, an L-shaped pull block, a limiting groove, a through hole, a pressing block, a spring and a locking assembly arranged on the outer side of the open groove. According to the trachea cannula fixing structure, the fixing assembly can clamp and fix the trachea cannula, the trachea cannula is fixed in the open groove, the problem that the trachea cannula is prone to loosening when bound with a rope traditionally is solved, the trachea cannula is clamped and fixed, and it is ensured that the trachea cannula is stably used; the movable rod and the opening groove can be locked and fixed through the locking assembly, the situation that the left fixing clamping block and the right fixing clamping block push the movable rod to move due to the fact that the trachea cannula is pulled is avoided, and the trachea cannula is prevented from loosening.

The embodiment of the invention discloses an air bag pressure control device, medical ventilation equipment and a control method of the medical ventilation equipment. In the process that a user uses the medical ventilation equipment to be connected with a trachea cannula to convey breathing gas to the trachea of a patient, an air bag of the trachea cannula is inflated or deflated through a pressure adjusting module of the air bag pressure control device; the pressure of the air bag is further adjusted, the pressure of the air bag is measured through the pressure monitoring module, the pressure adjusting module is controlled through the control module to adjust the air bag at different pressures, the air leakage amount determined by the medical ventilation equipment under different air bag pressures is obtained at the same time, and then analysis is conducted according to the change condition of at least two air leakage amounts. After the target pressure is determined, the pressure adjusting module can be controlled to adjust the pressure of the air bag according to the target pressure, so that the pressure of the air bag can be automatically adjusted to adapt to physiological differences of different patients, and more accurate, real-time and personalized air bag pressure management is realized.

The utility model relates to medical supplies technical field discloses a disposable first -aid trachea puncture ware, including middle trachea cannula, the lower extreme of middle trachea cannula is provided with tail trachea cannula. The tail trachea cannula of conical structure in the utility model can satisfy the demand of different patient trachea size, need not to prepare multiple diameter size trachea incision cannula, has reduced the difficulty of medical staff management trachea incision cannula inventory work, and medical staff can be through shearing adjustment device length to adapt to the different needs of children and adult patients, need not to look for the trachea incision cannula of suitable size, has improved the rescue efficiency, and the front end gasbag and rear end gasbag are connected with the air cylinder through the front end pipe and rear end pipe respectively, is provided with gas supply structure on the air cylinder, and medical staff can realize the inflation and deflation of gasbag by pushing or pulling the push rod, need not to prepare gas supply equipment separately, and the operation is simple and quick.

The utility model provides a movable fixing device for a trachea cannula, and belongs to the technical field of medical treatment. The device mainly comprises a fixing plate, a clamping plate and a fixing structure, wherein the fixing structure is movably clamped between the fixing plate and the clamping plate; fixing belts are installed at the two ends of the fixing plate in the length direction, a first window is formed in the fixing plate, a connecting block is installed on the outer plate face of the fixing plate, and a clamping plate is rotationally connected into a connecting hole of the connecting block; a connecting rod is vertically installed on the outer plate face of the fixing plate, a pressing piece is arranged at the second end of the clamping plate in a protruding mode, a notch is formed in the pressing piece, when the pressing plate rotates towards one side of the fixing plate, the connecting rod is clamped in the notch, a fixing stud is connected to the connecting rod in a threaded mode, and when the lower end face of the fixing stud abuts against the upper end face of the pressing piece, the pressing piece is clamped in the notch. The lower end face of the pressing piece abuts against the outer plate face of the fixing plate. A second window is formed in the clamping plate, and the position of the second window is opposite to that of the first window; the trachea cannula can be fixed and prevented from slipping, and the trachea cannula can be conveniently moved towards the two sides of the oral cavity.

The utility model belongs to the technical field of artificial airway equipment, and particularly relates to a trachea cannula with a tooth cushion. The trachea cannula with the bite block comprises a body tube, the bite block is arranged on the outer wall of the body tube, the section of the bite block is oval, a plurality of first fixing teeth are arranged on the front face of the bite block, and a plurality of second fixing teeth are arranged on the back face of the bite block.

The utility model relates to the technical field of trachea cannulas, and discloses a disposable reinforced trachea cannula which comprises a cannula body, one end of the cannula body is fixedly connected with a connecting plug, a matching connector is connected to the connecting plug in an inserted mode, the matching connector is fixedly connected with a connecting connector, the connecting connector is fixedly connected with an operating lug, and the operating lug is fixedly connected with a handle. Scale marks are arranged on the cannula body, an inflation tube is arranged on the outer side of the cannula body, an indication air bag is fixedly connected to the outer side end of the inflation tube, an inflation head is fixedly connected to the outer side end of the indication air bag, a one-way valve is arranged on the inflation head, and a slope head is fixedly connected to the other end of the cannula body. According to the utility model, the inclined plane head is arranged, the inclined plane head part is made of the TPU material, and the material of the inclined plane head is soft, so that the inner tube wall of a patient is prevented from being scratched during intubation; the arranged sealing air bag is in a love heart shape, sealing and attaching are tight, and the sealing effect is good.

The utility model provides a tracheal cannula face fixing protection device, including fixed shell, the bottom surface installation silica gel pad of fixed shell, the lateral wall symmetry installation bandage of fixed shell, one side fixed connection fixed pipe of fixed shell, the top between joint of fixed pipe is connected with the thread, and the inside of fixed pipe is penetrated to joint, and the surface of tracheal cannula is wound and returns nerve monitoring patch.

The invention relates to the technical field of medical instruments, in particular to a trachea cannula which comprises a main tube and an auxiliary tube, the auxiliary tube is communicated with the outer wall of the main tube, the main tube is used for being communicated with a breathing machine, the auxiliary tube is used for being communicated with a bronchoscope and comprises an inlet end and a tail end opening, and the tail end opening is located at the communication position of the main tube and the auxiliary tube. A sealing assembly used for sealing a gap between the bronchoscope and the auxiliary tube is arranged at the tail end opening. The sealing assembly comprises a sealing layer and a valve cover hinged to the tail end opening, and the inner wall of the auxiliary pipe is fixedly connected with a fixing ring. The fixed ring is slidably connected with a plurality of moving blocks in the circumferential direction, the sealing layer is fixedly connected to the fixed ring, and the moving blocks are fixedly connected with the inner wall of the sealing layer; a rotating ring is further rotationally matched with the inner wall of the auxiliary pipe, a plurality of arc-shaped grooves are formed in the rotating ring in the circumferential direction, and clamping blocks sliding in the arc-shaped grooves are fixedly connected to the bottoms of the moving blocks. Through the mechanical structure design that the valve cover triggers the transmission assembly to be in linkage with the sealing layer to be closed, the sealing layer wraps the outer wall of the bronchoscope, and a sealing barrier is formed.

The invention discloses a tracheal intubation catheter, relates to the technical field of medical instruments, and aims to solve the technical problem that after tracheal intubation of a clinical patient, local flushing and cleaning under the glottis of the tracheal intubation catheter and above a catheter air bag are not thorough. In order to solve the technical problems, the drainage catheter comprises a catheter body provided with an air bag, a suction part capable of cleaning secretions is arranged on the catheter body, the suction part comprises a suction tube, the air bag is arranged close to a tube opening of the suction tube, and the suction tube is connected with a negative pressure flushing and collecting device capable of flushing, sucking and collecting the secretions. The negative pressure flushing and collecting device is connected with a first control device, the first control device is connected with a general control device, the general control device comprises a measuring device capable of measuring the dryness and wetness of secretions, a softening and cleaning part capable of humidifying and cleaning the secretions is arranged on the catheter body, and the softening and cleaning part is connected with the general control device. The softening cleaning part and the like are adopted, secretions can be washed and cleaned through the general control device, operation is easy and convenient, and the cleaning effect is good.

The utility model discloses a trachea cannula incisor protective sleeve, which belongs to the technical field of incisor protective sleeves and comprises an upper protective sleeve, a lower protective sleeve is arranged below the upper protective sleeve, a fixing frame is arranged on the outer side of the lower protective sleeve, two limiting blocks are slidably connected to the inner wall of the fixing frame, and a limiting column is slidably connected to the inner wall of each limiting block. The ends, away from each other, of the two limiting columns are fixedly connected with the inner wall of the fixing frame, and the side faces, away from each other, of the two limiting blocks are fixedly connected with springs. According to the trachea cannula incisor protection sleeve, the inclined moving block can drive the limiting block to move towards the two sides to be opened, meanwhile, the limiting block can extrude the spring when moving, on the contrary, the spring can conveniently assist the limiting block to conduct closing reset, and therefore the opening and closing effect of the limiting block can be controlled under the cooperation of the inclined push plate and the spring; and therefore, the air pipe in the limiting block can be conveniently limited, and the situation that the air pipe shakes during use is avoided.

The utility model relates to a trachea cannula intraoral fixator, belongs to medical instruments, and solves the problems that in the prior art, after being fixed, a trachea cannula is inconvenient to move and easy to fall off during an operation, teeth are damaged, and the pollution risk is high when the trachea cannula is sleeved with the intraoral fixator. A trachea cannula intraoral fixator comprises a base, a hollow inner core and an air bag. A through hole is formed in the center of the base, and one side of the base is fixedly connected with the hollow inner core. An air bag is adhered to the inner wall of the hollow inner core; the base comprises a left base body and a right base body which are symmetrical and buckled, and the buckling position of the left base body and the buckling position of the right base body are rotationally connected through a flexible connecting part and connected through an opening and closing connecting part. The hollow inner core comprises a left semicircular shell and a right semicircular shell which are symmetrical and buckled, and the buckling position of the left semicircular shell and the buckling position of the right semicircular shell are rotationally connected through a flexible connecting part and connected through an openable connecting part. And the endotracheal intubation is fixed in the mouth.

The invention provides a trachea cannula fixator, and relates to the technical field of trachea cannulas. An adhesive sheet is arranged on the bottom side of the stress base, the stress base is adhered to the skin through the adhesive sheet, and two butt joint blocks are connected to the top of the stress base; the movable early warning base is located on the top of the stress base, and the butt joint blocks are fixedly connected into the two ends of the movable early warning base. When the trachea cannula is pulled by external force, the trachea cannula can drive the movable early warning base to move, the spring A is stressed and contracted, and reverse thrust is applied to the stressed base through the spring A and transmitted to the skin of a patient, so that the patient has obvious reminding touch feeling, and the patient is reminded to prevent the trachea cannula from being further pulled by the external force in time. The trachea cannula fixing device solves the problems that medical proof fabric is generally adopted to conduct simple fixing in the existing trachea cannula fixing operation, the fixing mode is fragile when being pulled by external force, the trachea cannula is prone to shifting, and even the trachea cannula can be directly pulled out when being seriously pulled out.

1. Name of the product in this design: Endotracheal tube retainer. 2. Purpose of this design: This design is used to fix endotracheal tubes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The rear view is the same as the front view, so the rear view is omitted; the right view is the same as the left view, so the right view is omitted.

The invention discloses a tooth protection sleeve for trachea cannula, and relates to the field of trachea cannula, the tooth protection sleeve comprises a lower tooth socket, the two ends of the lower tooth socket are fixedly connected with arc-shaped connecting pieces, the ends, away from the lower tooth socket, of the arc-shaped connecting pieces are fixedly connected with an upper tooth socket, and placing grooves are formed in the lower tooth socket and the upper tooth socket; through grooves are formed in the upper surface of the lower tooth socket and the lower surface of the upper tooth socket and communicate with the containing groove, a driving assembly and a limiting assembly are arranged in the containing groove, a pressing assembly connected through the driving assembly is arranged in the containing groove, and an abutting assembly connected through the limiting assembly is arranged in the containing groove. By means of the linkage design of the abutting assembly and the limiting assembly, a positioning stress point is transferred to the gingiva from the tooth, the abutting assembly adopts a plurality of abutting blocks distributed in a distributed mode, each abutting block achieves elastic floating through a fourth spring and can be independently matched with the local shape of the gingiva, and the multi-point abutting effect is achieved; stress concentration caused by single-point hard contact is avoided, and positioning stability is guaranteed.

The invention discloses an airway management system with a humidification management function. The airway management system comprises a gas detector, an airway management host and a communication module, the gas detector is arranged at the joint of the breathing pipeline and the trachea cannula and is used for monitoring parameters of gas in the trachea cannula in real time; the airway management host is connected with the gas detector and is used for receiving and analyzing the monitoring data and generating gas state information and an early warning signal; and the communication module is integrated in the airway management host and is used for wirelessly transmitting the gas state information or the early warning information to external equipment. The technical problems that an existing airway management system lacks multi-parameter real-time synchronous detection of gas in the trachea cannula and is poor in system collaboration are solved.

The application relates to the field of medical devices, in particular to a tracheal cannula end balloon, a preparation method thereof and a tracheal cannula. The tracheal cannula end balloon comprises a balloon body and a double-layer structure arranged on the surface of the balloon body, and the double-layer structure comprises a first nanofiber membrane and a second nanofiber membrane; the first nanofiber membrane comprises a first matrix material and paclitaxel, and the first matrix material comprises polyethylene glycol and polycaprolactone; the second nanofiber membrane comprises a second matrix material and ropivacaine, and the second matrix material comprises polyethylene glycol and polyvinylpyrrolidone. In the application, the double-layer structure design realizes layered release of the drugs, the outer-layer drugs rapidly relieve pain and inflammation, and the inner-layer drugs continuously inhibit cell proliferation, so that the problems caused by the tracheal cannula end balloon are comprehensively solved.

The invention relates to the technical field of medical instruments, in particular to a nasal cavity insertion type trachea cannula examination and administration device which comprises a flexible outer tube, when the nasal cavity insertion type trachea cannula examination and administration device is used, one end of the outer tube is inserted into the throat position from the nasal cavity of a patient, and the other end of the outer tube is located outside the patient and electrically connected with control equipment; the observation head is arranged at one end, extending into the body of the patient, of the outer tube and is electrically connected with the control equipment; the dosing tube is arranged along the outer tube, one end of the dosing tube is fixedly connected and communicated with a liquid ring, the liquid ring is arranged at one end, close to the observation head, of the outer tube and fixedly connected with the inner wall of the outer tube in an attached mode, and liquid medicine is atomized through the liquid ring and sprayed to the throat edema position. According to the device, upper respiratory tract edema examination, administration treatment and trachea cannula and trachea gap detection can be achieved at the same time, the problems that upper respiratory tract edema examination is inconvenient, administration is not timely, and trachea cannula and trachea gap detection is lacked are solved, the operation process is simplified, the workload of medical staff is reduced, and the rehabilitation speed of a patient is increased.

The utility model discloses a trachea cannula capable of adjusting temperature, which belongs to the technical field of medical auxiliary appliances and comprises a cannula body, one end of the cannula body is an insertion end with a diagonal plane, the other end of the cannula body is an input end, a Murphy hole is arranged on one side of the insertion end, and a bent section is arranged at the position of the cannula body close to the input end. A cylinder component communicated with the tube body is arranged at the input end, a heating assembly is arranged in the cylinder component, an adjusting mechanism is arranged on the cylinder component, an inner air bag is arranged on the outer wall of one side of the insertion end, an air guide tube communicated with the inner air bag is arranged on the outer wall of the tube body, and the air guide tube is separated from the tube body at the position close to the bent end and extends by 10-30 cm. According to the electric heating tube, the corresponding heating assembly can be triggered through the adjusting mechanism, and the temperature of gas in the tube body can be better adjusted on the premise that the electric heating tube is convenient to use.

The invention discloses a clinical prediction method for PACU precise extubation of an old general anesthesia long-term mechanical ventilation patient, and belongs to the field of clinical medicine statistics, and the method comprises the steps: S1, carrying out the inclusion of the patient according to a preset inclusion standard and an exclusion standard; s2, informing the elderly patients meeting the inclusion standard of agreement; s3, anesthesia resuscitation is conducted on the old general anesthesia patient entering the PACU, and then whether the patient can conduct a spontaneous respiration test or not is judged according to evaluation before off-line and predefined off-line preparation of an SBT test; s4, bedside lung ultrasonic examination is carried out before tube drawing, the trachea cannula is pulled out after the SBT test is passed, nasal catheter oxygen inhalation (3 L / min) is conventionally carried out after tube drawing, the blood oxygen saturation degree is recorded, and blood gas analysis examination is carried out 5 min after tube drawing; s5, predicting the possibility of tube drawing through the column diagram constructed by the method; according to the invention, medical staff can be guided to determine the preparation condition of extubation of old patients after general anesthesia, and long-term negative effects related to extubation failure can be reduced as much as possible.

The utility model relates to the technical field of medical equipment, in particular to a reinforcing assembly for a breathing machine pipeline and a trachea cannula, which comprises a trachea cannula body and a locking assembly, one end of the trachea cannula body is connected with a trachea connector, a first sealing ring is arranged outside the trachea connector, and a second sealing ring is arranged outside the trachea connector. A protective outer ring is arranged outside the first sealing ring, the locking assemblies are located on the upper side and the lower side of the protective outer ring, each locking assembly comprises a fixing frame, an elastic rod, a plug and a connecting rod, the elastic rod is connected to the side, close to the protective outer ring, of the fixing frame, the plug is connected to the side, away from the fixing frame, of the elastic rod, and the connecting rod is connected to one side of the plug. Compared with an existing reinforcing assembly for the breathing machine pipeline and the trachea cannula, the reinforcing assembly is provided with a quick disassembly and assembly structure, two pipelines of equipment can be connected and fixed, meanwhile, workers can replace the trachea cannula conveniently, the reinforcing assembly is provided with an elastic sealing structure, the stability of equipment connection can be improved, and connection air leakage is prevented.

The invention relates to the technical field of oral wetting medical instruments, in particular to a deformable oral wetting assembly and a mask, the deformable oral wetting assembly comprises a covering plate and a bandage, a through hole is formed in the covering plate, and a trachea cannula can penetrate through the through hole; an upper jacking component and a lower jacking component are arranged on one surface, in contact with the lip of the human body, of the covering plate; the assembly further comprises a spraying component, the spraying component comprises a nozzle and an infusion tube, one end of the spraying component is connected to the covering plate, the other end of the spraying component extends to the tongue root of the oral cavity of the human body, the nozzle is of a circular ring structure and is connected to the trachea cannula in a sleeving mode, and water mist sprayed out of the nozzle faces the covering plate. The annular spray head is connected to the trachea cannula in a sleeving mode and extends to the root of the tongue, water mist accurately covers the oral mucosa and does not touch the rear wall of the throat in cooperation with atomization spraying directionally facing the covering plate, stimulation to the throat area is avoided, and the risk that the trachea cannula is displaced and disengaged due to cough is remarkably reduced.

A tracheal connector is connected to a respiratory gas generator and a tracheal tube. The tracheal connector includes a tracheal connector body connected to the tracheal tube, a connector tube connected to the tracheal connector body and the respiratory gas generator, and a restriction mechanism configured to narrow a respiratory gas flow path configured to allow the respiratory gas to flow therein. The tracheal connector body includes a tracheal port connected to the tracheal tube, an exhaust port facing the tracheal port and configured to discharge at least expired air of the subject, and a respiratory port connected to the connector tube. The restriction mechanism is provided on the respiratory gas flow path between the respiratory port and the tracheal port.

The utility model discloses a nerve monitoring trachea cannula, which belongs to the technical field of medical instruments and comprises a cannula body and a circuit system, and an exposed area is circumferentially arranged on the side wall of the front end of the cannula body; the circuit system comprises a conductive material arranged along the inner wall of the cannula body and a connecting cable arranged outside the cannula body and connected with the conductive material, and a far-end plug of the connecting cable is connected with the nerve monitor; the conductive material forms a contact electrode in contact with the vocal cord on the outer surface of the cannula body in the exposed area of the cannula body, and the contact electrode has a larger contact area than the conductive material. The contact electrode with excellent performance has a larger contact area, so that the contact capacity of the contact electrode and intralaryngeal muscles is improved, the problem that contact is poor or equipment cannot recognize due to larger resistance after contact is solved, the operation difficulty is reduced, the operation time is shortened, and the operation efficiency is improved. The probability of injuring nerves of a patient by an operation is reduced.

The invention discloses a continuous balloon pressure monitor capable of automatically adjusting balloon pressure, and relates to the technical field of medical instruments.The continuous balloon pressure monitor comprises a monitoring box body, an elastic adhesive tape, a microprocessor and a pressure measuring balloon, a visual window is connected to the outer side of the monitoring box body in a penetrating mode, and a positioning mechanism is arranged on the outer side of the monitoring box body; the positioning mechanism is used for constraining and positioning the back of the monitoring box body and limiting the monitoring box body according to monitoring requirements to ensure the operation stability of electronic components of the monitoring box body, a monitoring mechanism is arranged on one side of the monitoring box body, and the monitoring mechanism is used for adjusting the pressure of a pressure measuring air bag through deflation or inflation. And the oxygen is controlled in a normal range in the oxygen conveying process. The pressure measuring air bag serves as a core assembly of a trachea cannula or a tracheotomy cannula in mechanical auxiliary ventilation, the pressure measuring air bag is tightly attached to the wall of the conical cannula after being inflated and expanded, a closed space is formed, and gas leakage or oral secretion mistakenly inhaled into the lung during ventilation is prevented.