2635results about "Tracheal tubes" patented technology

Disclosed herein is a sensor device for volumetric capnography. The sensor device is coupled to an adapter comprising a housing that encloses a measurement volume. The adapter is configured for gas flow along a first length axis, which aligns with a second length axis of the sensor device. The device includes an IR light source and an IR light detector, positioned on opposite sides of the housing. The IR light source emits IR light toward the detector across the measurement volume. The sensor device also includes a first ultrasonic transceiver in contact with the adapter and configured to emit ultrasound centered at a first position along the second length axis, directed partly along the axis and partly transversely. A second ultrasonic transceiver, also in contact with the adapter, emits ultrasound centered at a second position along the second length axis, directed partly opposite to the first direction and partly transversely.

In some implementations, a low dead space airway adapter for sampling fluid flowing through a ventilation assembly includes an outer wall configured to couple to an endotracheal (ET) tube adapter and an internal projection positioned at least partially within an internal cavity defined by the outer wall and configured to extend within an internal cavity of the ET tube adapter when the airway adapter is in use. The internal projection can include a fluid passageway configured for fluid communication with at least a portion of the internal cavity of the ET tube adapter and a free end comprising an opening in fluid communication with the fluid passageway. At least a portion of the free end can be chamfered around the opening and configured to contact an inner surface of the ET tube adapter when the outer wall is coupled to the ET tube adapter.

Airway management methods, devices and systems that include calibrating at least one aspect of an introducer relative to at least one other part of the system or device. Calibrating may be used in intubation procedures such as tracheal intubation, but may be used in other airway management procedures. One aspect of this disclosure is a method of calibrating a position of an endotracheal tube introducer, comprising: with a handheld intubation system, calibrating a position of a distal tip of an endotracheal tube introducer relative to at least one component of the handheld intubation system.

The invention relates to a ventilation tube (1) for ventilating a patient, comprising a tube (2) surrounding an air channel (25) with a tube wall (3) for insertion into a throat or trachea of the patient, a cuff (4, 15) with an air volume (6) circulating in the circumferential direction of the tube wall (3), and a pump line (5) running in the axial direction of the tube (2) for establishing a flow connection between the air volume (6) of the cuff (4, 15) and a pump device (7). In order to be able to detect conditions relating in particular to the breathing or ventilation of the patient with high quality, it is proposed that the ventilation tube (1) have an acoustic sensor (8, 16) arranged in the air volume (6) on the tube wall (3) or in a partial region of the cuff (4, 15) adjacent to the air channel (25).

Disclosed herein are embodiments of an electric suction device for emergency airway obstruction removal and anti-choking, relating to the field of emergency rescue technology. One embodiment comprises a face mask, with an electric suction mechanism set on the surface of the face mask. The electric suction mechanism includes an oral support that is movably installed inside the face mask. The face mask is pressed tightly against the face and adjusted to form a sealed space. Activating the electric suction mechanism switch triggers the control circuit board to power the one-way suction module via the battery. This controls the one-way suction module to extract air, creating negative pressure in the sealed space.Consequently, the obstructing object is suctioned out of the airway due to continuous negative pressure. When the patient is unconscious or unable to cooperate, the oral support can be inserted into the patient's mouth to ensure that the patient's mouth is open and the device can be used. This device is easy to operate, safe and stable. The suction of this device can be controlled and there are different types of masks that can be configured to meet different people. It can be used independently by the patient without third-party assistance, or by a rescuer when the patient is unable to perform self-rescue.

A respiratory therapy apparatus is operable to deliver multiple types of therapy to a patient. The apparatus includes a main housing and a nebulizer tray that selectively attaches to a bottom of the main housing. The apparatus also includes a filter housing unit having an antenna surrounding a pneumatic passage and a transponder chip coupled to the antenna. The main housing has also has an antenna that surrounds a respective pneumatic passage of a main outlet port of the apparatus. The main housing includes a reader that controls communication between the antennae. The main housing of the apparatus also has a pivotable hose support plate, a firmware upgrade port underneath part of the top wall of the housing, and a graphical user interface (GUI) that displays various user inputs for control of the apparatus and that displays various alert conditions that are detected.

Module for housing electronic and electromechanical medical equipment including a portable digital camera and processing circuitry with machine vision and machine learning software for automatically documenting healthcare events and healthcare equipment operations in the electronic health record.

The invention discloses an interventional tube fixator, which relates to the technical field of medical instruments and comprises a base frame, an interventional tube static clamping plate, a sliding hole, clamping teeth, an interventional tube movable clamping plate, a countersunk head clamping hole and a movable clamping drive retaining module, the movable clamp driving and maintaining module is assembled in the sliding hole in a sliding mode through a strip-shaped sliding block, the front end of the movable clamp driving and maintaining module is provided with an elastic clamping head detachably clamped in the countersunk head clamping hole, the rear end of the movable clamp driving and maintaining module is connected with an elastic clamping plate, and the surface of the elastic clamping plate is provided with continuous sawtooth clamping grooves matched with the clamping teeth; a first handle is arranged at the rear end of the strip-shaped sliding block, and a second handle is arranged at the rear end of the elastic clamping plate. The continuous sawtooth clamping grooves can be separated from the clamping teeth by pressing the two handles, when the strip-shaped sliding block is pushed to move forwards, the elastic clamping plate enables the clamping grooves to be meshed with the clamping teeth under the action of elastic force, and rapid clamping and releasing of the interventional tube are achieved. The fixing device is simple in structure, convenient to operate, capable of effectively preventing the interventional tube from shifting and suitable for fixing the interventional tube in oral surgery or examination.

The utility model discloses an integrated bronchus plugging catheter which comprises a tracheal catheter, a connector connected to the front end of the tracheal catheter and a bronchus catheter penetrating out of the tracheal catheter, and a partition wall extending in the length direction of the tracheal catheter is arranged in the tracheal catheter. The space in the tracheal catheter is divided into a first cavity and a fourth cavity by the partition wall, a bronchoscope or a drainage tube or a sputum suction tube is inserted into the fourth cavity, the bronchial catheter penetrates through the first cavity, a second blocking sleeve bag is fixed to the tail end, penetrating out of the first cavity, of the bronchial catheter, and a first blocking sleeve bag is fixed to the outer portion of the rear end of the tracheal catheter. Due to the fact that the bronchial catheter is limited in the first cavity, when a bronchoscope and the like are inserted into the fourth cavity, interference of the bronchial catheter is avoided; a minimum space enough to guarantee normal use of the bronchial catheter can be reserved according to the size of the bronchial catheter, so that sufficient space is reserved for insertion of a bronchoscope, a drainage tube, a sputum suction tube and the like, and smooth insertion of diagnosis and treatment equipment is guaranteed.

The invention relates to a tracheal intubation navigation method and device based on image segmentation and three-dimensional reconstruction, and belongs to the field of wisdom medicines.The tracheal intubation navigation method comprises the steps that an endoscope image frame sequence in the intubation process is collected, and image segmentation is conducted on the endoscope image frame sequence to obtain an intubation head segmentation profile diagram; the method comprises the following steps: performing three-dimensional reconstruction on the interior of a trachea by using an endoscope image frame sequence and adopting three network branches of monocular scene three-dimensional reconstruction, inter-frame multi-view geometric pose estimation and optical flow matching three-dimensional reconstruction to obtain a three-dimensional point cloud model of the interior of the trachea; performing pose estimation on the head of the trachea cannula through the segmentation contour of the instrument at the head of the trachea cannula in the endoscope image to obtain a three-dimensional point cloud model of the head of the trachea cannula and instrument estimation pose sequence information; and inputting the trachea internal three-dimensional point cloud model, the intubation head three-dimensional point cloud model and instrument estimation pose sequence information into a Unreal Engine virtual engine to generate a digital twin dynamic navigation image in the intubation process.

An endotracheal tube apparatus to treat a patient comprising an endotracheal tube and a hub connection fitting; the endotracheal tube insertable into a trachea of the patient; the hub connection fitting connectable to the endotracheal tube; a ventilation passageway extending through the hub connection fitting and a ventilation lumen of the endotracheal tube; a plurality of ports joined with the hub connection fitting, the plurality of ports comprising at least a first port and a second port; a first passageway extending within the hub connection fitting, the first passageway in fluid communication with the first port; a second passageway extending within the hub connection fitting, the second passageway in fluid communication with the second port; a third passageway extending within the hub connection fitting and a secondary lumen of the endotracheal tube.

The invention discloses a tracheotomy vent tube which comprises a vent tube body, a vent cavity is formed in the vent tube body, a sleeve bag used for sealing a gap between the trachea of a patient and the vent tube body is arranged on the vent tube body, and the sleeve bag is filled with sponge-shaped materials, so that the surface of the sleeve bag is in a fixed shape and can deform. According to the tracheotomy ventilation tube, due to the fact that the sleeve bag arranged on the ventilation tube is filled with the sponge-shaped material, the surface of the sleeve bag has a fixed shape and can deform, and when the sleeve bag is inserted into the cut trachea of a patient, the contact pressure between the sponge-shaped material and the inner wall of the trachea of the patient is small due to the flexible characteristic of the sponge-shaped material; insertion damage to a patient is avoided, the trachea cannula can automatically recover to the original shape after being inserted, the gap between the trachea of the patient and the breather pipe is sealed, and the sealing performance is better.

The invention 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 the mask bag is filled with a sponge-shaped material. 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 utility model discloses a pressing-propelled trachea cannula fixator which comprises a bottom plate capable of being worn on the mouth of a patient, a notch corresponding to the oral cavity position of the patient is formed in the bottom plate, a guide sliding groove is fixed to the bottom plate, a long toothed plate is connected into the guide sliding groove in a sliding mode, and a clamping head is fixed to one end of the long toothed plate. A clamping groove is formed in the end, away from the long toothed plate, of the chuck, the chuck and the clamping groove are matched to fix the trachea cannula, the long toothed plate is connected with a pressing and pushing mechanism and a locking mechanism, the pressing and pushing mechanism comprises a trapezoidal driven block fixedly connected with the long toothed plate, the trapezoidal driven block is connected with a trapezoidal driving block in a matched mode, and the trapezoidal driving block is fixedly connected with a push rod. The trapezoidal driving block is fixedly connected with a first reset spring, and the first reset spring is arranged in a spring seat and connected to the push rod in a sleeving mode. And a guide separation blade is also fixed on the long toothed plate. The fixing device adopts a pressing propelling structure, so that compared with a thread rotating propelling mode, more time is saved, and clamping and loosening operations are more convenient.

This application relates to a patient interface and headgear for a breathing apparatus. The patient interface includes a headgear, such as a nasal cannula. The interface has a flexible face mount and a more rigid gas flow manifold component. The flexible face mount has a nose fork and a base portion, while the more rigid gas flow manifold component has an inlet and an outlet. Gas is delivered into the manifold inlet and flows out through the outlet and into the base portion of the face mount. The outlet of the manifold component includes a groove that creates a gap between the base portion of the face mount and the manifold component in an area adjacent to the philtrum, thereby providing pressure relief on the nasal septum. The headgear has a strap. The portion of the headgear that contacts the face has a surface area for frictionally engaging with the skin. The material in these areas can be in the form of a sleeve, coating, or overmolded. The remaining portion of the strap has a different material property than the portion that contacts the face.

The invention relates to the technical field of medical intubation, in particular to patient-assisted breathing intubation equipment for nursing, comprising an intubation bed divided into an upper plank bed and a lower plank bed; the head adjusting mechanism comprises a pillow groove formed in the top end of the upper plate bed, an adjusting groove is formed in the inner wall of the pillow groove, and a first supporting plate is fixedly connected to an opening of the adjusting groove. 3, sensing the change of the exhaled air temperature of the patient through the thermistor plate, namely the human body exhaled air temperature (6-37 DEG C vs and the room temperature of 24 DEG C), and when exhaled air flow is in contact with the thermistor plate, triggering the change of a current signal by the temperature change. After the PLC detects sudden change of current, the single-shaft motor is automatically controlled to drive the headrest to rotate, the elevation angle of the head is accurately adjusted to the optimal intubation position through magnetic attraction transmission of the electromagnetic block and the permanent magnet block, a nurse does not need to manually and repeatedly adjust the elevation angle, and especially time is saved in an emergency. The preset position of the thermistor plate ensures the angle accuracy.

The technology relates to acoustic reflectometry systems and methods. An example system includes an acoustic sensor that includes a generator that emits acoustic pulses; and a sensor that detects the emitted acoustic pulses and reflections thereof. The system further includes a monitor, in communication with the acoustic sensor. The monitor performs operations including: receive patient data for a current patient receiving ventilation; provide the patient data as input to a trained clinical model; receive, as output from the trained clinical model, a clinically relevant threshold for an acoustically measurable parameter; process the detected incident and reflected waves to determine a value of the acoustically measurable parameter; compare the value of the acoustically measurable parameter to the clinically relevant threshold; and based on the comparison, generate a notification.

The invention discloses a bite block for tracheal intubation, and belongs to the technical field of medical instruments. The overall shape of the bottom plate is of an oval structure, and a through groove is formed in the middle of the bottom plate. A bite block support capable of supporting the upper teeth and the lower teeth of the patient is inserted into the through groove; one side of the bottom plate is provided with a clamping groove for placing an air pipe insertion pipe; a clamping groove is formed in the bottom plate, a trachea cannula fixator capable of fixing the placed trachea cannula is arranged at the position of the clamping groove in the bottom plate, and the clamping groove in the bottom plate extends to the outer side area of the bottom plate, so that two protruding parts are formed on the side, provided with the clamping groove, of the bottom plate. The two top plates can be expanded and adjusted through cooperation of the adjusting pipe, the clamping ring, the guide groove and the guide rod, the supporting amplitude in the mouth of a patient can be adjusted, the problems encountered in real medical care can be solved, in the operation process, a series of operation adjustment of lifting of the top plates can be achieved only by repeatedly rotating the adjusting pipe, and the operation efficiency is improved. The operation is simple, and the tendon tissue around the jaw bone of the patient can be moved anytime and anywhere so that the patient can feel uncomfortable due to a fixed posture for a long time.

The invention discloses a trachea cannula temperature and humidity monitoring control system, and relates to the technical field of medical instruments. The equipment control terminal is used for establishing communication connection with the trachea monitoring terminal and the medical monitoring station, acquiring the acquired real-time temperature and humidity data, judging whether temperature and humidity abnormity exists in the trachea cannula or not through data analysis, triggering airway temperature and humidity abnormity early warning and controlling airway temperature and humidity adjustment according to a judgment result; provided is a medical monitoring station. By monitoring temperature and humidity changes in the trachea cannula in real time and combining physiological signs and environmental data of a patient, personalized temperature and humidity adjustment and abnormity early warning functions are provided; the system has intelligent data analysis and prediction capabilities, can predict future temperature and humidity trends, automatically adjust regulation and control parameters, perform dynamic optimization according to physical signs and environment states of patients, ensure that the temperature and the humidity are within the most suitable range, and improve the comfort level and the experience effect of the patients.

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 relates to the technical field of endoscopes, and discloses a tracheal intubation guiding method and a laryngoscope, and the tracheal intubation guiding method comprises the following steps: obtaining a to-be-guided image to be subjected to tracheal intubation guiding; inputting the to-be-guided image into a pre-trained tracheal structure recognition model for tracheal intubation structure recognition to obtain a recognition result; if the recognition result only contains the glottis structure, outputting intubation guide information used for indicating a first glottis exposure state and capable of performing tracheal intubation or used for indicating a second glottis exposure state based on the glottis region area and the glottis region position of a target region corresponding to the glottis structure, the correction guide information indicates an operator to move the laryngoscope according to the correction direction; if the recognition result contains other regions of which the structure types are non-glottis structures, outputting correction guide information based on the structure types corresponding to the other regions and / or the region areas corresponding to the other regions; and the accuracy and the efficiency in the tracheal intubation process can be obviously improved.

The invention provides an intelligent airway management system and method, and the method comprises the steps: screening an effective region of an intubation structure in each airway image through the pixel contribution degree in each airway image, and determining the recognition attention of each airway image; determining a spatial topological structure relationship of the intubation structure in the airway of the patient among multiple view angles according to a spatial mapping relationship among key nodes related to the intubation structure in each airway image; performing cross-view cross fusion on each local feature and each global feature in the airway image at different visual angles based on the spatial topological structure relationship and all recognition attention to obtain a cross fusion feature vector of the airway state of the patient; and generating a risk prediction level of the difficult airway of the patient by combining a pre-constructed difficult airway prediction model with the cross fusion feature vector of the airway state of the patient. By adopting the scheme of the invention, airway state recognition based on a multi-view spatial topological relation can be realized, and the accuracy of difficult airway prediction can be improved.

The invention relates to the technical field of medical auxiliary instruments, in particular to a newborn body position fixator of an invasive ventilator. Comprising a mounting rod, hinge rods are hinged to the two ends of the mounting rod, sliding rods are slidably arranged on the hinge rods, connecting rods are hinged to the sliding rods, and the lower ends of the connecting rods slidably penetrate through corresponding lower limb supporting plates and upper limb lifting plates; the telescopic end of the second electric push rod is connected with a connecting frame, and the two sides of the connecting frame are in contact fit with the bottom ends of the connecting rods on the same side. By introducing the lifting mechanism and the limiting mechanism, accurate adjustment and stable fixation of the body position of the newborn are achieved, the two mechanisms can operate independently and can also be used in a combined mode, a surrounding type limiting structure is formed, more stable and reliable support is provided compared with a traditional soft material, body position deviation of the newborn during treatment is prevented, and the treatment effect of the newborn is improved. Therefore, the treatment effect is guaranteed.

A hose retaining device is disclosed herein. The hose retaining device includes a strap assembly coupled to a padding portion having a top surface, a protruding member, and a retaining loop. The strap assembly further includes hook portion, a loop portion, and a fastening slot for turning the strap assembly back upon itself to couple the hook portion to the loop portion. The retaining loop includes an underside configured to receive and retain a corrugated tubing having a plurality of sunken portions and a plurality of protruding portions. The hose retaining device is useful for keeping a corrugated tubing item, commonly used in conjunction with a breathing assistance device, out of the way of the user to increase comfort and stability.

The invention discloses a critical patient trachea cannula fixing device convenient to adjust. The critical patient trachea cannula fixing device comprises a fixing shell, a sliding block and a tooth support. A chute is formed in the middle of the fixed shell and is in sliding connection with the sliding block; limiting teeth are arranged on the two sides of the sliding block respectively, a spherical groove is formed in the middle and rotationally connected with a universal ball, and rotating shafts are symmetrically arranged front and back and rotationally connected with an adjusting ring; the front end of the rotating shaft is slidably connected with a locking rod; the locking rod is sleeved with a locking spring, and the front end of the locking rod is provided with locking teeth movably connected with the adjusting ring. A pull buckle is arranged at the front end of the locking tooth; holes are symmetrically formed in the two sides of the adjusting ring to be rotationally connected with rotating shafts, a fixing barrel is arranged in the middle, and locking columns are arranged on one side to be movably connected with locking teeth; the position and the angle of the intubation can be flexibly adjusted according to specific conditions of a patient, and smooth operation of tracheal intubation is ensured.

The invention discloses an infant airway management system and method based on navigation and high-precision dynamic registration, and the method comprises the steps: constructing a personalized airway deformation model through a physical constraint-based few-sample transfer learning network, generating an optimal instrument matching scheme, and providing a semantic weighted tight coupling visual inertial odometer; the confidence coefficient of feature points is dynamically adjusted by segmenting airway anatomy semantics in real time, data are fused under a factor graph optimization framework, and sub-millimeter robust positioning is achieved. Based on the high-precision trajectory, the system introduces a space-time attention fusion network, captures a long-range time sequence dependency relationship between operation micro-actions and physiological parameters, calculates a real-time dynamic risk score, and compensates airway soft tissue deformation in real time through a non-rigid deformation field model. The technical problems that an existing navigation system is prone to being lost in a microcosmic dynamic environment and risk early warning lags behind are effectively solved, and the safety and the success rate of the infant airway management operation are remarkably improved.

An airway measurement device including a flexible tube having an opening at one end, a monitored fluid unit connected to the flexible tube on an end opposite the opening, an oxygen supply connection unit adjacent to the monitored fluid unit with the oxygen supply connection unit having a venting unit positioned parallel to the flexible tube, and a gripping unit on the bottom the monitored fluid unit and the oxygen supply connection unit.

The invention provides an indwelling catheter monitoring method based on a data calibration method, which relates to the technical field of medical instruments and comprises the following steps: data acquisition: recording an indwelling catheter path curve when a patient is successfully indwelled, and determining the indwelling catheter path curve as a physiological characteristic curve; data calibration: marking coordinates of key feature points such as an airway opening, key parts of an esophagus and an entrance of a stomach on the physiological feature curve, wherein the precision error is less than or equal to 1mm; state monitoring: comparing real-time coordinates of the front end of the stomach tube with feature points, dividing an airway section, an esophagus section and a stomach section, and evaluating the tube placement progress (the error is less than or equal to 2%); dynamic error correction: aligning physiological and advancing curves based on a spatial registration algorithm, correcting deviation (the precision is less than or equal to 2mm) through self-adaptive PID control, and high-precision monitoring: the data calibration precision is less than or equal to 1mm, the catheterization path deviation is less than or equal to 2mm, and the progress evaluation error lt; 2%, which is far better than artificial experience; intelligent early warning: early warning response of a key position is less than or equal to 200ms, and the risk of mistaken entry of an airway is lt And the medical negligence is reduced.

A system and method for targeted stimulation with a tracheal phrenic nerve stimulation device that can include: performing an initialization routine of a stimulation module that determines a set of stimulation parameters, the initialization routine comprises: cycling through electrode groupings, detecting a response in a respiratory signal for each electrode grouping, and determining a select electrode grouping as part of the stimulation parameters; and operating a stimulation module using the set of stimulation parameters.

The invention discloses a tracheal catheter capable of preventing flushing fluid from entering an esophagus. The tracheal catheter is suitable for operations of oral cavities, nasal cavities, neurosurgical skull bases and the like. Comprising a tracheal catheter module and a partition cuff module, the tracheal catheter module comprises a tracheal catheter body, a connector, an air bag and a first inflation tube. The connector, the air bag and the first inflation tube are arranged on the tracheal catheter body. The partition cuff module comprises a cuff, a diaphragm layer, a second inflation tube and a suction tube, the cuff is arranged at the tongue root position of the tracheal catheter body, and a diaphragm layer hole with an overflowing hole is formed in the upper side face of the cuff; a second inflating tube and a suction tube are arranged on the tracheal catheter body; when the cuff is inflated and expanded, the internal air pressure of the cuff is low pressure, the middle of the cuff is sunken downwards, and the periphery of the cuff is tilted and clings to the mucosa of the throat of a patient. The tracheal catheter effectively blocks the connection between the oral cavity and the esophagus, prevents flushing fluid from entering the esophagus and the stomach, and has important significance for improving the safety and success rate of oral cavity and neurosurgery skull base operations.