831results about "Tracheal tubes" patented technology

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 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.

The invention belongs to the technical field of medical auxiliary instruments, and discloses a head position supporting and fixing device for the anesthesiology department, which comprises a base plate, the base plate is connected with a head supporting and fixing assembly, the head supporting and fixing assembly comprises a base, a telescopic piece and a headrest plate, the base is connected with a bandage, a lock catch and a connecting seat, and the connecting seat is in sliding connection with the base. The telescopic piece is connected with the base plate. The connecting base is rotationally connected with the telescopic end of the telescopic piece. The headrest plate is connected with the base through a connecting shaft, an inner spline and a blank part are arranged on the inner side of the base, an outer spline is arranged on the outer side of the connecting shaft, and the axial length of the outer spline is smaller than that of the blank part. The head of a patient is fixed through the bandage, and the fixing stability of the head is good; the pitching angle of the head is adjusted by adjusting the height of the telescopic piece, the swinging angle of the head is adjusted by adjusting the meshing condition between the headrest plate and the spline of the base, and the clinical requirement for the head fixing angle can be fully met.

The invention discloses an intelligent nasopharyngeal catheter and a breath sound monitoring system.The intelligent nasopharyngeal catheter comprises a nasopharyngeal catheter body, a first acoustic sensing part and an optical fiber, the nasopharyngeal catheter body comprises a first body and a second body, and the first body is connected with the second body; the cross sectional area of the second body is gradually increased from one end, close to the first body, of the second body to one end far away from the first body; at least part of the optical fiber is embedded in the first body, the first acoustic sensing part is arranged on the optical fiber and located in the first body, the first acoustic sensing part is used for converting vibration and / or pressure fluctuation of breathing sound waves of a patient into optical signals, and the optical fiber is used for being connected with a demodulation host so that the demodulation host can receive the optical signals from the first acoustic sensing part. Therefore, the breathing signal can be collected through the first acoustic sensing part, and the breathing signal of the patient can be transmitted to the demodulation host, so that the breathing condition of the patient can be monitored in real time to guarantee the safety of the patient.

The invention relates to the field of breath sound monitoring, and discloses a tracheal intubation device and a breath sound monitoring system.The tracheal intubation device comprises a tracheal catheter used for being inserted into an airway of a patient; the first sound detection piece is an optical fiber sound sensor, the first sound detection piece is installed on the tracheal catheter, the first sound detection piece is used for detecting breathing sound wave information in the airway of a patient, and the first sound detection piece is used for being in communication connection with the monitoring host so as to transmit the detected breathing sound wave information to the monitoring host. Therefore, the first sound detection piece is installed on the tracheal catheter, the first sound detection piece can be directly located in the internal environment of the airway of the patient, the accuracy of monitoring breathing sound and sound wave information of the patient through the tracheal intubation device can be improved, and the first sound detection piece transmits the breathing sound and sound wave information to the monitoring host in real time; the medical staff can monitor the breathing condition of the patient in real time through the monitoring host, find out abnormal breathing of the patient in time and carry out treatment.

Various embodiments provide an endotracheal tube having a body comprising a flexible hollow tube with a distal end for insertion into a patient's trachea during intubation, and an opposite proximal end. Some embodiments comprise one or more internal projections, said internal projections projecting radially inwardly from an internal wall surface of a distal tip portion of the endotracheal tube, wherein the internal projections are tapered in at least one direction. Some embodiments comprise at least one internal projection projecting radially inwardly from an internal wall surface of a distal tip portion of the endotracheal tube, wherein the internal projection comprises a radiopaque portion. Some embodiments comprise an endotracheal tube body which comprises a polymeric material comprising a helically wound, meshed or braided reinforcement structure embedded therein, the helically wound, meshed or braided reinforcement structure being formed from one or more filaments, and wherein one or more properties of the reinforcement structure vary along the length of the endotracheal tube such that the bending flexibility and / or the mechanical strength of the endotracheal tube varies along the length of the endotracheal tube. Some embodiments comprise a pair of longitudinally spaced locally thinned circumferential wall portions provided at a distal end region of the endotracheal tube. Also described are intubation systems including such endotracheal tubes.

The utility model discloses a double-lumen bronchial catheter with an inner balloon on the side of an extension branch pipe, which comprises a first air guide pipeline, a second air guide pipeline and the extension branch pipe, and the tail ends of the first air guide pipeline and the second air guide pipeline as well as the middle section and the tail end of the extension branch pipe are fixedly provided with inflation plugging components. The utility model has the beneficial effects that the inflation plugging assembly comprises a first inflation balloon which is fixedly sleeved on the outer walls of the tail ends of the first air guide pipeline and the second air guide pipeline, a second inflation balloon which is fixedly sleeved on the outer wall of the middle section of the extension branch pipeline, and a third inflation balloon which is coaxially and fixedly sleeved on the inner wall of the tail end of the extension branch pipeline; therefore, gaps between the peripheries of the first air guide pipeline and the second air guide pipeline and the trachea wall of a patient can be sealed through the first inflation balloon, meanwhile, double plugging can be conducted on the bleeding side lung or the pneumothorax side lung through the second inflation balloon and the third inflation balloon, and the plugging stability of the bleeding side lung or the pneumothorax side lung is improved.

Methods and devices for capturing and analyzing aerosolized particles in exhaled breath characteristic of a respiratory disease to enable rapid, low-cost point of care assays for several diseases including respiratory tract diseases such as COVID-19 are disclosed. The disclosed methods and systems selectively capture aerosolized particles using a packed bed column. The captured particles are then eluted using solvents and analyzed using analytical devices including MALDI-TOFMS.

The application provides a neuro-morphic system for biological sensing and drug delivery of intubation medical equipment, which is mainly composed of a specific sensing module, a neuro-morphic analysis module and a signal post-processing unit. The specific sensing module comprises a thin film field effect transistor and an ion conductive polymer adaptive layer. The neuro-morphic sensitive array and the signal post-processing unit are used for recording and processing the signals monitored by the biochemical sensing module. The annular neuro-morphic system for biological sensing of intubation medical equipment in the application can capture local stress concentration caused by intubation micro-displacement and abnormal pressure between the intubation and the tissue. The influence of dynamic loads such as respiratory motion and blood flow pulsation on the intubation is analyzed, the occurrence of mechanical complications is reduced, and the sensitivity and specificity of abnormal early warning are significantly improved.

The invention discloses a tracheal catheter special for upper gastrointestinal endoscopic surgery, which comprises an inner tube, an outer tube capable of sliding up and down with the inner tube is sleeved outside the inner tube, the top end of the outer tube is fixedly connected with the inner tube through a fixing knob, a respirator joint is arranged at the top end of the inner tube, an inner tube water bag is arranged at the bottom of the inner tube, and an outer tube water bag is arranged at the bottom of the inner tube. An inner tube suction hole is formed in one side of the inner tube water bag, and a Murphy hole is formed in the position, located below the inner tube water bag, of the bottom of the inner tube. The problems that in an upper gastrointestinal endoscopic surgery in the prior art, the exposed part of the tracheal catheter affects surgical operation, the cuff of the tracheal catheter compresses a surgical site or affects taking out of a specimen, the tracheal catheter rubs with an endoscope and is prone to disengagement to damage tracheal mucosa, and blood and secretions in the trachea are not sucked thoroughly are solved.

The invention belongs to the technical field of positive pressure ventilation, and particularly relates to an airway respiration supporting positive pressure ventilation device which comprises an assembly frame, a humidifier is installed above the assembly frame, an oxygen input port is installed above the humidifier, an atomization inhalation connecting port is formed in the front end face of the humidifier, and an air inlet is formed in the front end face of the atomization inhalation connecting port. An oxygen output port is formed in the front end face of the humidifier and located on one side of the aerosol inhalation connecting port, and the oxygen input port, the aerosol inhalation connecting port and the oxygen output port are all connected with guide pipes. During working, the conduits at different positions are installed in the oxygen input port, the aerosol inhalation connecting port and the oxygen output port respectively, the mask connected with the conduits is placed on the face of a patient, and then continuous positive pressure airflow generated by an external host enters the humidifier through the oxygen input port; the oxygen is discharged into the mask from the oxygen output port of the humidifier and the catheter and enters the airway of the patient, the airway can be expanded from the outside, and it is guaranteed that air can enter the mask smoothly.

The invention relates to the field of medical equipment, in particular to a visual double-cavity laryngoscope and thyrocricocentesis integrated device for difficult airways, which comprises a double-cavity laryngoscope main body and a thyrocricocentesis device, the outer surface of the double-cavity laryngoscope main body is fixedly connected with a connecting plate, the other surface of the connecting plate is fixedly connected with a hemispherical shell, and the hemispherical shell is fixedly connected with the double-cavity laryngoscope main body. The integrated structural design is adopted, the core functions of a visual double-cavity laryngoscope and a cricothyroid membrane puncture instrument are organically integrated, the current situation that the two traditional instruments are independently used and need to be frequently switched is thoroughly changed, an operator can sequentially complete glottis exposure and tracheal intubation operation on the same device, and if intubation fails or a patient suffers from emergency oxygen deficit, the visual double-cavity laryngoscope and the cricothyroid membrane puncture instrument can be directly used. The cricothyroid membrane puncture device which is assembled in place can be directly used for implementing puncture without additionally replacing instruments, so that the operation continuity is greatly improved, the key time for establishing an airway is effectively shortened, and the oxygen deficit risk of a patient caused by instrument switching is fundamentally reduced.

This invention relates to the field of neonatal care technology, and more particularly to a neonatal endotracheal tube fixation device, comprising a base, two head limiting plates slidably fitted on the base, a retraction mechanism rotatably connected inside the base, an adjusting seat rotatably connected to the retraction mechanism, a top frame rotatably connected to the adjusting seat, an adjusting plate below the top frame, a buffer plate fixedly connected to one end of the adjusting plate, and an endotracheal tube fixation mechanism on one side of the buffer plate. By using a base with a mattress pressure plate, the mattress is used to fix the mattress pressure plate, so that when fixing the neonatal endotracheal tube, the endotracheal tube fixation mechanism is suspended above the neonatal head without contacting the neonatal head for fixation. This avoids the pressure problems caused by neck straps or head fixation, not only improving care efficiency but also ensuring the safety and comfort of the newborn, and contributing to the healthy development of the newborn.

An intubation assembly operable as both a tracheal tube and a suction catheter. The intubation assembly may include an adapter operable to couple to a suction hose, and the adapter may be removably coupled to the tracheal tube.

An endotracheal lung suction system includes an endotracheal tube defining a tube lumen, a suction assembly, and an inner suction catheter. The endotracheal tube comprises an inflation connector and an implantation balloon adjacent the distal tube end and fluidically connected to the inflation connection and through which the balloon inflates. The suction assembly comprises a proximal valve and a distal endotracheal tube connector fluidically connected to an interior of the tube lumen. The inner suction catheter passes through and slides within the suction assembly, the endotracheal tube connector, and through the tube lumen to extend slidably out from and back into the distal tube end. The inner suction catheter comprises a distal, inflatable, hollow, inner-suction- catheter securing device and a catheter body defining a main lumen extending through the inner suction catheter and a catheter-securing inflation lumen extending through the inner suction catheter parallel to the main lumen.

The invention relates to a tracheal cannula at least comprising a cannula tube and a cannula shield. The cannula tube comprises a distal end portion to which the cannula shield is assigned, and a tracheal end portion which can be arranged in a trachea. The cannula tube has a cannula lumen, which is continuous from a distal end to a tracheal end and has a constant internal diameter. A wall at least of the tracheal end portion has a first wall thickness, which is contiguous with the distal end portion, and a second wall thickness at the tracheal end, wherein the first wall thickness is greater than the second wall thickness. The wall thickness of the tracheal end portion continuously reduces towards the tracheal end.

The utility model relates to the field of pipe plugging devices, in particular to a pipe plugging device of a metal trachea cannula, which comprises a metal trachea cannula body. The pipe blocking mechanism comprises a cylinder, a sealing mounting mechanism is arranged on the cylinder, the cylinder is mounted on the metal tracheal cannula body through the sealing mounting mechanism, a first semicircular plate is fixedly connected into the cylinder, an incomplete circular ring sliding groove is formed in the middle of the cylinder, and a second semicircular plate is fixedly connected into the incomplete circular ring sliding groove. And a blocking plate is rotationally connected to the incomplete annular sliding groove in a limiting mode, the blocking plate is matched with the first semicircular plate to completely block the cylinder, and when the blocking plate rotates, one side of the first semicircular plate is exposed, so that the cylinder is in a semi-blocked state. The arranged device can be conveniently and stably installed on the metal trachea cannula body in a sealed mode; the plugging mechanism can fully plug the metal trachea cannula and can also be adjusted to be a semi-plugging metal trachea cannula.

The utility model relates to the technical field of medical instruments, and discloses an oxygen inhalation tube fixing mechanism for trachea surgery, which comprises a main body component, a fixing component and a fixing component, the main body component comprises a throat inlet tube and an oxygen supply tube, the oxygen supply tube is arranged at one end of the throat inlet tube, one end of the throat inlet tube is inserted into the trachea of a patient, and the other end of the oxygen supply tube is connected with oxygen supply equipment; the device is arranged on one side of the throat inlet pipe and comprises a clamping piece, the clamping piece comprises a cross-under ring, and two attaching blades are fixed to one side of the cross-under ring. By arranging the fixing assembly and using clamping and threaded connection modes, pressure cannot be caused to a laryngeal fistulization opening of a patient, unnecessary damage to the neck of the patient due to pressing and inserting errors between the throat inlet pipe and the oxygen supply pipe is avoided, and pain and discomfort of the patient are relieved.

The present disclosure relates to a laryngoscope blade modification for endotracheal intubation. The disclosure provides a flexible channel attached to the laryngoscope blade or a rigid channel that opens via a spring system. The channel further incudes a slit along the entire portion of the channel, enabling a guidewire to be loaded into the channel and advanced to a patient's vocal cords and trachea before being dislodged or removed in a quick, efficient manner. An endotracheal tube is then slided over the guidewire into the vocal cords and trachea. Once endotracheal tube is inserted, guidewire is removed and intubation initiated. The present disclosure enables a faster insertion of a guidewire into the vocal cords over conventional methods without wasting precious seconds. By using a guidewire with a soft tip, the incidence of vocal cord injury decreases substantially and intubation performed successfully in a quick manner.

The invention discloses an integrated visual trachea cannula device for a patient with limited mouth opening, and relates to the technical field of medical instruments. The oropharynx breather pipe is positioned outside the trachea cannula; the cannula assembly is located in the trachea cannula; the display terminal is electrically connected with the intubation tube assembly; the local anesthesia medicine storage tank is connected with the cannula assembly. The trachea cannula can achieve the effect of ventilation, the oropharynx breather pipe can achieve the effects of basic ventilation and bite prevention, the cannula assembly can achieve the integration of visual guiding and real-time local anesthesia, and during operation, a medical worker firstly places the oropharynx breather pipe to establish basic ventilation and then places the oropharynx breather pipe to achieve bite prevention. The intubation assembly is combined with a preoperative CT reconstruction model to complete visual guide intubation, and ventilation, bite prevention, local anesthesia, positioning and intubation integrated operation is achieved in the whole process. Therefore, the problems that existing equipment is dispersed in function and tedious in operation can be solved, and the integrated functions of ventilation, bite prevention, guiding and local anesthesia are achieved.

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 an anti-splashing breathing machine extension tube which comprises a sealing device. One end of the elastic element is connected with the sealing device; the sleeve is connected to the outer part of the elastic element in a sleeving manner; one end of the sleeve is connected with the sealing device; the air inlet assembly is communicated with the outer side of the sleeve; the ventilation pipeline is located in the sleeve, and the ventilation pipeline is connected with the other end of the elastic element; the one-way valve structure is arranged on the inner side wall of the end, close to the elastic element, of the ventilation pipeline and used for communicating the sealing device, the elastic element and the ventilation pipeline to form a first channel; the connector is of a cylinder structure with one end opened, a containing groove is formed in the cylinder structure, the connector is connected to the outer portion of the ventilation pipeline in a sleeving mode through the containing groove, and the end face of an opening of the connector is connected with the sleeve. By arranging the sealing device and the one-way valve structure, the situation that pollutants are splashed in the trachea intubation process can be avoided; in addition, through mutual cooperation of the air inlet assembly, the elastic element, the ventilation pipeline and the sleeve, functional adaptation and full-automatic switching in all modes can be achieved.

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 belongs to the technical field of trachea cannula nursing, and particularly relates to an oral trachea cannula fixing device convenient for oral nursing. According to the technology, a horizontally-arranged fixing pipe is included, the outer side of the fixing pipe is sleeved with a freely-rotating vertical plate, the vertical plate is of an oval structure, tooth pads are arranged on the upper side and the lower side of the fixing pipe and fixed to the left side wall of the vertical plate, and fixing assemblies for fixing the fixing pipe in the mouth of a patient are arranged at the front end and the rear end of the vertical plate. The trachea cannula is fixed in the fixing tube, the trachea cannula is protected through the fixing tube, upper and lower teeth of a patient are manufactured through the two tooth pads, the vertical plate is fixed to the outer side of the oral cavity of the patient under the action of the fixing assembly, the vertical plate is rotated by 90 degrees, and the front end and the rear end of the long radius of the vertical plate are rotated to the horizontal state to abut against the upper and lower teeth of the patient. The upper end and the lower end of the short radius are rotated to a vertical state to expose the oral cavity of the patient, so that a doctor can conveniently nurse the oral cavity of the patient.

An apparatus for monitoring EMG signals of a patient, comprising: an endotracheal tube (100); a conduit (106) configured to extend along the endotracheal tube; a first cuff (114) having an exterior surface defining a first diameter and fluidly coupled to the conduit, the first cuff exhibiting a first compliance such that the first diameter expands to a first distance when pressurized fluid is within the interior conduit; a second cuff (116) having an exterior surface defining a second diameter, positioned distal the first cuff and fluidly coupled to the conduit, the second cuff exhibiting a second compliance equal to the first compliance and defined such that the second diameter expands to a second distance greater than the first distance when pressurized fluid is within the conduit, wherein upon inflation of the first cuff and the second cuff from fluid provided in the conduit, the first cuff exhibits a first wall tension on the exterior surface thereof and the second cuff exhibits a second wall tension on the exterior surface thereof, the first tension being less than the second tension; and conductive ink electrodes (112) formed on the exterior surface of the first cuff.

A respiratory mask can be used to provide therapy to patients who also require a nasogastric (NG) tube. The mask seal can include a path that is designed to deform around an NG tube or other without lifting the mask away from a patient's face. The deforming path can help to minimize gaps that form between the patient's face and the mask seal as a result of the tube, thus reducing leaks and improving the efficacy of the treatment.

The utility model discloses a general anesthesia bite block which comprises a bite block sleeve formed by a first arc-shaped plate and a second arc-shaped plate in an embracing mode, one side of the first arc-shaped plate and one side of the second arc-shaped plate are connected in a hinged mode, and a plurality of meshing teeth are distributed on the inner side walls of the first arc-shaped plate and the second arc-shaped plate along the arc-shaped faces of the first arc-shaped plate and the second arc-shaped plate. The tracheal catheter is arranged on the inner side of the bite block sleeve in a penetrating mode and is extruded and fixed by the biting teeth, the tracheal catheter is meshed and stabilized through the biting teeth on the inner faces of the first arc-shaped plate and the second arc-shaped plate, slippage between the catheter and the bite block is avoided, then the magic tape located outside the oral cavity is rapidly wound, and the bite block sleeve forms a stable cylindrical positioning structure; compared with an existing tooth cushion structure, the tooth cushion structure has the advantages that the total time of the trachea cannula operation process is saved, the fixing effect is guaranteed, and compared with a complex tooth cushion, the tooth cushion structure has the advantages of being simple in structure, economical and practical.

A respiratory system with a flow generator can provide bubble CPAP therapy by controlling a pressure of a flow of gas delivered to a patient. A controller of the respiratory system can control a motor speed of its flow generator in order to control the pressure of the flow of gas. The controller can also detect the presence of bubbling and / or possible leaks in a gas path of the system. The respiratory system can include a high flow respiratory system.

The utility model discloses a mask convenient for a patient with total laryngeal resection to use, relates to the technical field of medical instruments, and aims to solve the problems that no mask comfortable and convenient to wear for the patient to wear exists in the market in the prior art, and the patient and other people cannot be protected by wearing the mask like a normal person. The utility model discloses a medical air-permeable adhesive tape, which is characterized in that an air hole is arranged in the middle of the medical air-permeable adhesive tape, a filter layer is arranged at the air hole on the inner side of the medical air-permeable adhesive tape, release paper is adhered on the inner side of the medical air-permeable adhesive tape, and the filter layer is positioned between the release paper and the medical air-permeable adhesive tape. A patient can directly fix the filtering layer to the opening part of the neck trachea in a pasting mode, and the mask can be conveniently and rapidly worn.