20 results about "Laryngeal airway" patented technology

A laryngeal mask airway (LMA) intubation guide for endotracheal intubation procedures and ventilation of a subject, the LMA intubation guide comprising: an elongate body defining a passageway extending between a proximal opening and a distal opening for receiving a blade portion of an intubation device; a laryngeal mask at the distal opening for covering a larynx of the subject; and a ventilation airway extending at least partially along the body, comprising: a ventilation port at a proximal end of the ventilation airway for connection to a ventilator; and a ventilation aperture at a distal end of the ventilation airway for allowing fluid communication between the ventilation airway and the passageway proximate the laryngeal mask, the LMA intubation guide configured for intubation of the subject with an endotracheal tube through the passageway while the subject is ventilated using the ventilation airway.

The utility model discloses a radiofrequency ablation electrode for infant laryngeal airway microsurgery, and belongs to the technical field of radiofrequency ablation electrodes, the radiofrequency ablation electrode for infant laryngeal airway microsurgery comprises a handle shell, a telescopic mechanism is arranged in the handle shell, the interior of the telescopic mechanism is fixedly connected with a sleeve, and the sleeve is fixedly connected with the handle shell. An electrode stem and a smoke tube are arranged in the sleeve, the other end of the smoke tube is connected with a hose, and the other end of the electrode stem is fixedly connected with an electrode needle. The telescopic mechanism is designed to control the electrode rod to stretch out and draw back, the electrode needle head is designed to be bent, a doctor can conveniently observe and position a target spot during an operation, the smoke tube is designed to solve the problem of mist generated during tissue electric resection during the operation, the mist generated during the operation is sucked away through the smoke tube by being connected with a negative pressure tube of a hospital, and the operation is convenient. The interference of smoke on the sight of a doctor is avoided, the use is very convenient, and medical personnel can be helped to perform an operation better.

The application discloses a laryngeal mask airway oil spraying and pad printing integrated machine, which comprises a machine body, a fixed disc and an intermittent rotary disc installed on the machine body, and the intermittent rotary disc rotates intermittently around the fixed disc; a positioning carrier is arranged on the intermittent rotary disc in a circumferential direction, a plurality of work stations are arranged at intervals around the intermittent rotary disc, the plurality of work stations comprise a loading work station, a pad printing work station, a detection work station and an unloading work station arranged in sequence along a rotating direction of the intermittent rotary disc, the pad printing work station is provided with a pad printing device, the detection work station is provided with a visual detection device, and the unloading work station is provided with an automatic unloading device; the pad printing device is provided with a pad printing head, the fixed disc is provided with an automatic oil spraying device, and the automatic oil spraying device is provided with a nozzle. The oil spraying and pad printing integrated machine has a reasonable structure design, can realize automatic processing of oil spraying and pad printing on a laryngeal mask airway, is provided with visual detection, and thus the intermediate manual turnover link is omitted, the manual participation degree is reduced, the manual cost is reduced, the production efficiency and the product qualification rate are effectively improved.

The invention discloses a self-adjusting laryngeal mask airway which comprises a mask body, an air bag assembly, a visual guide unit and a dynamic pressure control system, the shape of the mask body is arranged to conform to the laryngeal structure of the human body, the air bag assembly is arranged at the far end of the mask body, the visual guide unit is arranged at the far end of the mask body, and the dynamic pressure control system is arranged on the visual guide unit. The dynamic pressure control system is connected with the air bag assembly and used for providing video images of the throat in the implantation process, the dynamic pressure control system is connected with the air bag assembly and used for monitoring and adjusting the pressure of the air bag assembly in real time, and the dynamic pressure control system comprises a pressure sensor, an air pump, an electromagnetic valve and a control unit; the control unit is electrically connected with the pressure sensor, the air pump and the electromagnetic valve, and the control unit is used for receiving signals of the pressure sensor and controlling the air pump and the electromagnetic valve to adjust the pressure of the air bag assembly. According to the self-adjusting laryngeal mask airway, automatic adjustment and visual guiding are achieved, and the implantation success rate and safety are improved.

This application discloses a laryngeal mask airway (LMA), relating to the field of medical device technology. The LMA includes a cuff, an air delivery tube, and an inflation tube. The air delivery tube includes a connector and an air passage, wherein the connector is used to connect to a gas delivery device; one end of the air passage is connected to the connector, and the other end is connected to the cuff; the air delivery tube has an opening, one end of the inflation tube is connected to the opening, and the other end is connected to an inflation port on the cuff; wherein, when the gas delivery device delivers gas to the patient's larynx through the air delivery tube, the gas inflates the cuff through the inflation tube, thus forming a seal between the cuff and the larynx. In this way, during the gas delivery process, the cuff is automatically inflated using gas, eliminating the need for manual operation, reducing the steps and time required by medical personnel, and improving efficiency.

Embodiments disclosed herein are directed to an improved LMA with a positioning sensor and a temperature sensor at the posterior dome of the mask of the LMA. The positioning sensor provides positioning measurements for the clinician to determine that the LMA is correctly positioned with the posterior dome in contact with the hypopharyngeal wall. With this correct positioning of the LMA, a temperature sensor—either on the same chip as the positioning sensor or nearby the positioning sensor—has a stable mucosal contact with the hypopharyngeal wall to measure the patient's core temperature. Therefore, the improved LMA provide at least the twin benefits: ensuring that the LMA is correctly positioned and ensuring that the measured core temperature is valid.

This invention provides an intelligent reflux detection device for a gastric tube, comprising a gastric tube inserted into the patient's esophagus via a laryngeal mask airway, and a video information acquisition device mounted on the gastric tube. The video information acquisition device includes a camera and a sensor unit for acquiring video data within the patient's esophagus. A data processing module is used to analyze the video data frame-by-frame and detect reflux material, marking the location of the reflux material and generating reflux data. A suction module, connected to the data processing module, is used to select different suction strengths based on the reflux data. This intelligent reflux detection device for a gastric tube, through the configuration of a camera and sensor unit and the target detection and time series prediction model integrated into the data processing module, can accurately identify the location and magnitude of reflux material and predict its dynamic trend. Through the multi-level strength adjustment and graded alarm mechanism of the suction module, it can achieve intelligent suction of reflux material and risk warning.

The utility model discloses a laryngeal mask airway which comprises a ventilation catheter, the far end of the ventilation catheter is provided with a mask bag, the mask bag is used for forming tight connection conforming to an anatomical structure at the laryngeal entrance of a patient and covering the laryngeal entrance of the patient to form sealing, and sponge-shaped materials are filled in the mask bag. The surface of the mask bag has a fixed shape and is deformable, and the mask bag can be jointed on the anatomical structure of the laryngeal entrance part of a patient. The sponge-shaped material is filled in the mask bag, so that when the mask bag is inserted into the throat position of a patient, the insertion contact pressure with the throat surface of the patient is small, insertion damage to the throat of the patient is avoided, and the mask bag can automatically recover to the original shape after being inserted, can be jointed on an anatomical structure of the throat inlet part of the patient and is in sealing contact with the peripheral side of the throat of the human body; and the sealing performance is better.

The invention discloses a cannula device and a method of using the same. The cannula device is configured to pass through a laryngeal mask airway (LMA) fixed in a patient. The cannulation device may replace the LMA, and the LMA may be removed from the patient above the top of the cannulation device. The intubation device may be loaded on a fiber optic intubation mirror and include an alignment member to ensure that an end of the fiber optic mirror remains centered within an outlet end of the intubation device.

The utility model discloses a throat breather pipe which comprises a breather pipe body, a ventilation cavity is formed in the breather pipe body, a first sleeve bag used for sealing the glottis of a patient and a second sleeve bag used for sealing the esophagus of the patient are arranged on the breather pipe body, and the first sleeve bag and the second sleeve bag are filled with sponge-shaped materials respectively. The surface of each of the first cuff and the second cuff has a fixed shape and is deformable. The first sleeve bag and the second sleeve bag are filled with the sponge-shaped materials respectively, so that when inserted into the body of a patient, due to the flexibility of the sponge-shaped materials, the insertion contact pressure between the sponge-shaped materials and the surface of the internal tissue of the patient is small, insertion damage to the patient is avoided, the original shape can be automatically recovered after the sponge-shaped materials are inserted, and the safety of the patient is improved. The glottis and esophagus of a patient are closed, and the sealing performance is better.

The gastroscope bite capable of maintaining the airway smoothness and preventing the posterior falling of the tongue comprises a fixing plate, a bite sleeve is fixed to one side of the fixing plate, a tongue depressor is fixed to the bottom of the side, away from the fixing plate, of the bite sleeve, side bands are installed on the two sides of the fixing plate, notches are formed in the side bands, and connecting bands are slidably connected into the notches. A positioning assembly used for positioning the connecting band and the side band is arranged on the connecting band, an ear binding band is fixed to one side of the connecting band, and a restraining assembly used for restraining the ear binding band on the ear of a patient is arranged on the ear binding band. When the ear binding belt is used, the ear binding belt is hung on the ear of a patient, then the two cylindrical rods are pressed, the two cylindrical rods slide in the cylindrical barrels and get close to each other, and after the groove holes and the through grooves coincide, the cylindrical barrels can be moved to get close to the ear of the patient, so that the ear binding belt wraps the ear of the patient, and the ear binding belt is prevented from falling off; and the stability of the device is improved.

An airway management system, comprising: a breathing circuit connector component, an inner tube component, and a connecting tube, further comprising: a laryngeal mask component and a telescopic tube component; or, an endotracheal tube component, the breathing circuit connector component comprises a breathing circuit connector; a plurality of cavities is provided in the laryngeal mask airway tube of the laryngeal mask component; a plurality of cavities is provided in a endotracheal tube of the endotracheal tube component; and one end of the breathing circuit connector is connected to a laryngeal mask connector of the laryngeal mask component, or an endotracheal tube connector of the endotracheal tube component, or the laryngeal mask connector and an inner tube connector of the inner tube component, or the endotracheal tube connector and the inner tube connector, or a telescopic tube machine end connector of the telescopic tube component and the inner tube connector.

A laryngeal mask airway (LMA) intubation guide for use in an endotracheal intubation procedure and in ventilation of a subject, the LMA intubation guide including: an elongate body defining a passageway extending between a proximal opening and a distal opening, for receiving a blade portion of an intubation device; a laryngeal mask at the distal opening, for covering the larynx of the subject; and a ventilation airway extending at least partially along the body, including: a ventilation port at a proximal end of the ventilation airway for connection to a ventilator; and a ventilation aperture at a distal end of the ventilation airway for allowing fluid communication between the ventilation airway and the passageway proximate to the laryngeal mask, the LMA intubation guide being configured to allow intubation of the subject using an endotracheal tube through the passageway, while the subject is ventilated using the ventilation airway.

The invention relates to the technical field of medical instruments, in particular to a visual laryngeal mask airway catheter which comprises a laryngeal mask body, an airway catheter body and an air bag body, the air bag body is fixedly connected to the front end of the laryngeal mask body, one end of the airway catheter body can be installed in the laryngeal mask body in a matched mode, and the other end of the airway catheter body extends out of the tail of the laryngeal mask body. The clamping device is used for clamping and fixing the airway catheter body when the airway catheter body is arranged in the laryngeal mask main body; the fastening mechanism comprises a limiting locking piece and a pair of L-shaped clamping pieces. By arranging the fastening mechanism, rapid and bipolar locking and convenient adjustment of the airway catheter body are achieved, the L-shaped clamping piece is clamped into the groove under elastic supporting of the first spring, the airway catheter body is preliminarily positioned and prevented from falling off, and meanwhile position adjustment of the airway catheter body is facilitated; the internal thread sleeve handle is further screwed to enable the limiting rod to enter the arc-shaped limiting groove, swing of the L-shaped clamping piece can be limited, further locking is achieved, and the anti-loosening capacity of the airway catheter body is improved.

The invention relates to the technical field of anesthesia, in particular to a multi-mode anesthesia device for thoracic surgery Tubeless surgery, which comprises a laryngeal mask, a breather pipe and a respirator, the breather pipe comprises a flexible outer pipe, a hard inner pipe and a flexible liquid storage film, the flexible outer pipe and the flexible liquid storage film are made of flexible latex materials, and the hard inner pipe is preferably made of hard plastic materials. The flexible outer pipe, the hard inner pipe and the flexible liquid storage film are arranged, the diameter of the upper end opening of the hard inner pipe is smaller than that of the lower end opening of the hard inner pipe, and the upper end of the flexible liquid storage film is connected to the lower portion of the inner side of the hard inner pipe, so that water drops can fall onto the inner surface of the flexible liquid storage film after flowing down from the inner wall of the hard inner pipe; in addition, due to the fact that the lower end of the flexible liquid storage film is bent inwards to form the annular liquid storage cavity, the water drops flowing to the inner surface of the flexible liquid storage film are gradually gathered and stored in the annular liquid storage cavity, the water drops in the air can be prevented from flowing back into the laryngeal cavity of the patient, and harm to the patient is avoided.

The catheter comprises a catheter body, the far end of the catheter body is provided with a front slope opening, part of the catheter wall of the edge of a far-end catheter opening at the opening extends outwards to form a tongue-shaped tip, and the tongue-shaped tip is arranged opposite to the near-end catheter opening at the front slope opening of the catheter body and is integrally formed with the catheter body; a water-drop-shaped Murphy hole is formed in the side wall of the tongue-shaped tip side at the far end of the catheter body. According to the catheter for the tracheal intubation, the tongue-shaped tip and the catheter body are designed to be of the integrally-formed structure, and the improved drop-shaped Murphy hole design is adopted, so that the catheter is more suitable for the scene of intubation through a center line, such as intubation under a video laryngoscope and intubation through a laryngeal mask, airway injuries caused by intubation are reduced, and the tracheal intubation effect is improved. The trachea cannula has higher safety, reliability and operation efficiency in airway protection and difficult airway management, and is suitable for various different types of trachea cannulas of adults and children; and the guide pipe is simple in manufacturing process and convenient for mass production and manufacturing.

1. The name of the design product: Reusable camera handle. 2. The use of the design product: It is suitable for use with laryngeal mask airway, opening and sealing the upper throat, providing a visible gas passage in the patient's body when performing autonomous, assisted or controlled ventilation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

An intubation device configured to pass through a stabilized laryngeal mask airway (LMA) within a patient, and a method of using the same. The intubation device may replace the LMA, which can be removed from the patient over the top of the intubation device. The intubation device may be mounted on an optical fiber intubator and may include an alignment member to ensure that the end of the optical fiber intubator remains centered within the exit end of the intubation device.

The utility model relates to the technical field of airway catheter intubation, and particularly discloses a disposable body temperature type laryngeal mask airway catheter which comprises an air bag head and a bent tube, the air bag head is fixedly connected with the bent tube, and a first intubation channel, a second intubation channel, a water injection pipeline, a camera connecting line and a temperature sensor connecting line are arranged in the bent tube. The flow channel grooves are formed in the two sides of the air bag head of the airway catheter, the flow channel grooves are connected with the drainage tube, and flow liquid in an airway of a patient is drained out through the flow channel grooves and the drainage tube; the temperature sensor of the airway catheter is arranged at the top of the bent pipe, and when the airway catheter is inserted, the temperature sensor on the bent pipe can be attached to the top wall of the oral airway of a patient, so that the temperature of the patient is monitored more accurately; the camera is installed in the trachea cannula, the airway and the glottis can be observed more visually, the flexible LED lamp strip is adopted for illumination, and airway information can be shot more clearly.

Provided is a laryngeal mask airway, comprising a laryngeal mask airway main body (10) and a view device (20). The laryngeal mask airway main body (10) comprises a catheter (12), and a sealing base (13) connected to the distal end of the catheter (12), and the view device (20) comprises a control part (22) and a vidicon (23), wherein an image sensor (231) is formed at the distal end of the vidicon (23), and an air guide channel (101) and a view lumen (103) are formed in the laryngeal mask airway main body (10); and a first blind end part (103a) that is closed by a light-transmitting material is formed at the distal end of the view lumen (103), the vidicon (23) is inserted into the view lumen (103) in a pluggable manner, the distal end of the view lumen (103) and the distal end of the vidicon (23) extend into the sealing base (13), and the distal end of the vidicon (23) can be bent and reset. The vidicon (23) is sealed inside the view lumen (103) and does not come into contact with internal tissue of a patient during use, such that the vidicon (23) can be reused in a relatively safe manner; and the distal end of the vidicon (23) can bypass the epiglottis, and the drooping epiglottis can be pushed aside by means of controlling the distal end of the vidicon (23) to be bent upwards so as to obtain a good view.