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51 results about "Artificial Airways" patented technology

Artificial airway. Etymology: L, artificiosum, skillfully made. a plastic or rubber device that can be inserted into the upper or lower respiratory tract to facilitate ventilation or the removal of secretions.

Combined system of concealed closed tracheoscope and artificial airway breathing circuit

A combined system of a concealed closed tracheoscope and an artificial airway breathing circuit includes an artificial airway breathing tubing and a tracheoscope. The artificial airway breathing tubing includes an inhalation circuit and an exhalation circuit that are connected through a connecting tube. The tracheoscope includes a handle portion and an insertion portion connected to the handle portion. The tracheoscope handle portion wraps around a section of the exhalation circuit. The tracheoscope insertion portion is hidden in the extendable breathing circuit, which extends and retracts to make the tracheoscope insertion portion advance or retreat in a closed condition. The tracheoscope handle function assembly cleverly wraps around the surface of the breathing circuit tubing, organically combining the functions of the tracheoscope handle and the breathing circuit. Meanwhile, the tube interface can be cleaned to keep the tracheoscope clean and unobstructed, such that the service life of the tracheoscope can be extended.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV

Atomization and humidification combined auxiliary breathing device for humidifying artificial airway of ICU (intensive care unit) patient

The utility model discloses an atomization and humidification combined auxiliary breathing device for humidifying an artificial airway of an ICU (intensive care unit) patient, which comprises a device body, a humidifier is arranged in the device body, a cover plate is arranged above the humidifier, a heating base is arranged below the humidifier, the upper end of the cover plate is sequentially provided with a tap I and a tap II, and the tap II is connected with the humidifier. A butt joint pipe is connected to the first tap, an atomizer is connected to the lower portion of the butt joint pipe, a discharging pipe is connected to the second tap, a containing frame is arranged below the heating base, a controller is installed in the containing frame, a heating groove is formed in the containing frame, a heating wire is arranged in the heating groove, one end of the containing frame is connected with a supporting frame, and the other end of the containing frame is connected with a water pump. A clamping plate is clamped in the supporting frame, one end of the clamping plate is connected with a limiting ring, and a sleeve is inserted in the limiting ring, so that atomized suspension generated by atomization can be humidified and heated, the comfort of the device is improved, and the situation that the humidity is not enough when a traditional atomizer is used for assisting respiration in atomization is avoided.
Owner:WUXI NO 2 PEOPLES HOSPITAL

Adjustable visual airway tube

1. Name of the design product: adjustable visual airway catheter. 2. Use of the design product: used when establishing artificial airway. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.
Owner:XINJINGJIE (XIANGTAN) MEDICAL TECH CO LTD

Weight gravity type artificial airway cuff constant-pressure constant-volume dynamic regulator and operation method

The invention discloses a weight gravity type artificial airway cuff constant-pressure constant-volume dynamic regulator and an operation method, and belongs to the field of artificial airway nursing. The regulator comprises a cuff, an inflation tube, a dynamic regulation module and a three-way connector. The three-way connector is divided into a cuff port, an inflation port and a buffer air bag port, the cuff port is connected with the inflation tube, the inflation port is connected with the inflation device, the buffer air bag port is connected with the dynamic adjusting module, and the three-way connector is provided with a three-way valve; the dynamic adjusting module comprises a buffering air bag and a pressure stabilizing weight for pressurizing the buffering air bag, the pressure stabilizing weight is arranged on the buffering air bag, pre-pressure is applied to the buffering air bag through gravity, and the mass of the pressure stabilizing weight is matched with the target working air pressure of the cuff. The gravity of the pressure stabilizing weight is matched with the pressure generated by the air pressure of the buffering air bag and the air pressure of the cuff, so that automatic constant-volume pressure stabilization of the cuff is achieved, a mechanical structure is adopted, and the air pressure does not need to be controlled through a pressure sensor or a control circuit.
Owner:SHANGHAI TIANYOU HOSPITAL CO LTD

Pipeline fixing device

The utility model discloses a pipeline fixing device, and mainly relates to the field of medical instruments. Comprising a connecting pipe, the two ends of the connecting pipe are communicated with a patient end and a breathing machine end through pipelines respectively, a flow guide pipe is further arranged on the connecting pipe, the connecting pipe and the flow guide pipe form a T-shaped structure, the interior of the flow guide pipe is divided into two cavities through a partition plate, the two cavities correspond to the patient end and the breathing machine end respectively, and the flow guide pipe is sleeved with a spherical air bag. The bottom end of the flow guide pipe penetrates through the spherical air bag and is provided with two suction ports, and the two suction ports correspond to the two cavities. The utility model has the beneficial effects that the connecting pipe is respectively communicated with the patient end and the respirator end, the flow guide pipe is used for collecting condensate water in the pipeline, a certain amount of condensate water is sucked and discharged from the suction port after being collected, the condensate water is prevented from entering the airway of the patient to cause aspiration, and the spherical air bag can reinforce the stability of the pipeline, so that the safety of the patient is improved. The traction to the artificial airway caused by the gravity of the device is reduced, and the practicability is better.
Owner:WUXI PEOPLES HOSPITAL

Emergency device for air leakage of artificial airway airbag

The utility model discloses an emergency device for air leakage of an air bag of an artificial airway. The emergency device comprises an air guide tube, a first tee joint, a second tee joint, a pressure detector and a pressure relief piece, wherein the air guide tube is used for being connected with the air bag outside the artificial airway; the first tee joint and the second tee joint are arranged on the air guide tube; according to the emergency device, air can be continuously supplied to the air bag, the pressure of the air bag is 25-30 cm H2O, and part of patients who are seriously ill and are not suitable for immediately replacing the artificial airway can be temporarily prevented from being replaced; meanwhile, part of patients can safely pass through the time period from air leakage of the air bag to replacement of the artificial airway. The device is easy to understand in principle, simple to operate and reliable in clinical application, treatment risks are not increased, and other complications caused when artificial airways of some patients are replaced can be avoided; according to the utility model, all consumables are disposable sterile consumables which are commonly used in hospitals, so that the consumption is small and the price is low; the comprehensive groove oxygen source is used for continuously supplying oxygen and supplementing air, manual air inflation is not needed, and the workload of medical staff can be reduced.
Owner:山西医科大学第二医院(山西医科大学第二临床医学院)

A catheter delivery mechanism supporting quick change and a force sensing tracheal intubation robot using the same

The application relates to a catheter conveying mechanism supporting quick replacement and a force sensing trachea cannula robot using the mechanism, and relates to the field of medical instruments. The application solves the problems of low tube placing precision and slow tube replacement speed of the existing trachea cannula mechanism. The catheter support is installed on the upper end surface of a longitudinal arm, a catheter motor is installed on the catheter support and connected with a driving guide wheel through a driving guide wheel core, a guide wheel sliding block mechanism and a pawl are embedded in the catheter support, a support cover is covered on the catheter support and covers the guide wheel sliding block mechanism and the pawl, a driven guide wheel is rotatably installed on the guide wheel sliding block mechanism, and the driven guide wheel is slid outward after the pawl is pushed to adjust the distance between the driven guide wheel and the driving guide wheel. The application is used for assisting doctors in inserting a trachea catheter into the trachea of a patient through the oral cavity before operation or after anesthesia to establish an artificial airway and assist the patient in breathing.
Owner:HARBIN INST OF TECH

Trachea cannula capable of preventing tube falling

ActiveCN224251894UIncreased flexibility of useFlexible adjustment of placement locationTracheal tubesTube intubationReoperative surgery
The utility model discloses an anti-dropping trachea cannula, which is characterized in that the stable state of the trachea cannula is realized through the matching of all parts during an operation, the normal operation of an artificial airway is effectively maintained and guaranteed, the problems of outward movement, dropping, inward sliding and the like of the trachea cannula are avoided, the efficiency and the safety of the operation are improved, and the life safety of a patient is further guaranteed. According to the technical scheme, the device is characterized by comprising a pipe body, a limiting piece and a deformation piece, a connector is arranged at one end of the pipe body, an air outlet and a fixing air bag are arranged at the other end of the pipe body, the fixing air bag is connected with a filling connector through a branch pipe, a penetrating hole is formed in the middle of the limiting piece, and the limiting piece can be arranged at the position, close to the connector, of the pipe body in a sleeving mode. The limiting piece is detachably connected with the tube body, the trachea cannula is tightly wrapped on the inner side of the penetrating hole through the fastening assembly, and the deformation piece is arranged on the tube body and located at the position, corresponding to the inner side of teeth, of the tube body.
Owner:TONGXIANG MATERNAL & CHILD HEALTH HOSPITAL (TONGXIANG MATERNAL & CHILD HEALTH & FAMILY PLANNING SERVICE CENT)

Supraglottic airway support devices

PCT designated stageWO2026097002A1Tracheal tubesRespiratory masksSupraglottic airwayPhysical medicine and rehabilitation
Supraglottic airway support devices are provided. Aspects of the present invention include supraglottic airway support devices comprising a support substrate configured to interface with a subject's head and a supraglottic airway interface integrated with the support substrate and configured to hold a supraglottic airway in a fixed position relative to the subject's head. Also provided are methods of stabilizing an artificial airway in a subject.
Owner:RGT UNIV OF CALIFORNIA

Airway foreign body taking-out device and equipment

The utility model provides an airway foreign matter taking-out device and equipment, and belongs to the technical field of foreign matter taking-out equipment. The device comprises a conveying catheter and an object taking part, the object taking part is arranged on the conveying catheter, and the object taking part is located at the end, stretching into the trachea, of the conveying catheter; an object taking net is arranged in the object taking part, the object taking net can expand to open a mesh net to take foreign matters, and meshes can be contracted to lock the foreign matters. Through the arrangement of the conveying catheter and the fetching net in the fetching part, foreign matters in the trachea can be conveniently and effectively captured, and through the special design of the fetching net and the cooperation of an endoscope, an annular sliding block, an auxiliary block, a silk thread and other components, the purpose of fine adjustment of the position of the conveying catheter in the auxiliary components such as an artificial airway component is achieved.
Owner:ANHUI PROVINCIAL HOSPITAL

Artificial airway adapter

The utility model relates to the technical field of artificial airways, in particular to an artificial airway adapter which comprises an adapter body, a sputum suction tube used for being communicated with sputum suction equipment, an atomizing tube used for being communicated with an atomizing machine, an oxygen inhalation tube used for being communicated with an oxygen inhalation machine and an inserting tube used for being connected with a patient are arranged on the adapter body, and a closing assembly is arranged on the sputum suction tube. The closing assembly comprises a rotating ring, a fixing ring and a plurality of baffles, the rotating ring is rotationally connected with the sputum suction pipe, the fixing ring is arranged on the rotating ring and rotationally connected with the rotating ring, the end, away from the rotating ring, of the fixing ring is fixedly connected with a sputum outlet pipe, the baffles are arranged between the fixing ring and the rotating ring, and the sides, close to the rotating ring, of the baffles are slidably connected with the rotating ring. The sides, close to the fixing ring, of the baffles are slidably connected with the fixing ring, the baffles can slide to form a whole flat plate, and isolation assemblies are arranged at the joints of the oxygen inhalation pipe and the atomization pipe and the connector body. The artificial airway adapter can solve the problems that an existing adapter affects the atomization effect and sputum backflow.
Owner:NORTHERN JIANGSU PEOPLES HOSPITAL

Split type atomizer connecting set for artificial airway

The utility model discloses a split type atomizing, humidifying and oxygen inhalation connecting set for an artificial airway, which effectively achieves the purpose of conveniently carrying out atomizing treatment and oxygen humidification on a patient with the artificial airway, and comprises an atomizer, a first connecting tube, a second connecting tube and a connecting cover, the upper side of the atomizer is detachably connected with the connecting cover, and the lower side of the atomizer is detachably connected with the connecting cover. The lower side of the atomizer is detachably connected with the first connecting pipe, the rear portion of the first connecting pipe is provided with an oxygen supply pipe, the second connecting pipe is in a T shape, and the front side of the second connecting pipe is fixedly connected with a pull ring. The device is simple in structure and convenient to use, can be matched with a patient who establishes an artificial airway with autonomous respiration, achieves the purposes of continuous humidification, atomization treatment and oxygen humidification, reduces the maintenance cost of the device, reduces the occurrence of related complications of the artificial airway, increases the comfort level of the patient, and can be matched with oxygen pipelines of different models.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV

Concealed closed-type bronchoscope and artificial airway breathing circuit combination system

PCT designated stageWO2025179767A1Tracheal tubesGuide needlesPhysical medicine and rehabilitationExpiratory limb
Disclosed is a concealed closed-type bronchoscope and artificial airway breathing circuit combination system. The combination system comprises an artificial airway breathing pipeline (1) and a bronchoscope (2). The artificial airway breathing pipeline (1) comprises an inspiratory limb (4) and an expiratory limb (5) which are connected by a connecting tube (3). The bronchoscope (2) comprises a handle portion (2-1) and an insertion portion (2-2) connected to the handle portion (2-1). The bronchoscope handle portion (2-1) is wrapped around a section of the expiratory limb (5). In the structural modification on the basis of the existing breathing circuit and disposable bronchoscope (2), the bronchoscope insertion portion (2-2) is concealed in a telescopic section of breathing circuit, such that the bronchoscope insertion portion (2-2) is moved forward or backward in a closed manner under a telescopic action; functional components of the bronchoscope handle are ingeniously wrapped around the tube surface of the breathing circuit, such that the functions of the bronchoscope handle and the breathing circuit are organically combined together; and the tube connector can be cleaned to keep the bronchoscope (2) clean and unobstructed. In this way, the service life of the bronchoscope (2) can be extended from a single use to about 1-2 weeks.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV

Multifunctional artificial airway auxiliary device

The invention relates to the technical field of medical instruments, and discloses a multifunctional artificial airway auxiliary device which comprises a ball, a first pipeline, a second pipeline, a third pipeline, a fourth pipeline, a fifth pipeline, a liquid level monitoring assembly, a valve plug, a plurality of sets of caps and a liquid collecting bag. The liquid level monitoring assembly comprises a liquid level scale line, a medical 316L stainless steel magnetic floater sensor and a 60-70dB waterproof audible and visual alarm, and can actively warn liquid accumulation; the third pipeline, the fourth pipeline and the first pipeline are symmetrically arranged at an angle of 45 degrees, and matched with a valve and a cap to form a double-path controllable drainage channel; a first cap and a valve plug are arranged at the port of the second pipeline to prevent secretions from splashing; the liquid collecting bag is made of medical polyethylene materials and is provided with a matched threaded connector and containing scale marks. The device realizes active liquid monitoring, closed drainage, pollution prevention and leakage prevention, is adaptive to multiple body positions and clinical operation of a patient, and greatly improves the safety, reliability and convenience of artificial airway nursing.
Owner:RENMIN HOSPITAL OF WUHAN UNIVERSITY (HUBEI GENERAL HOSPITAL)

Auxiliary device for artificial airway

ActiveCN224180064UTracheal tubesPulmonary infectionMedicine
The utility model discloses an auxiliary device for an artificial airway, which can be used for connecting the artificial airway with a connecting pipeline of external equipment, and comprises a cylinder body and a first connecting piece, a gas flow channel is formed in the cylinder body, and the first connecting piece is arranged at the gas inlet end of the gas flow channel and is used for being detachably connected with the external equipment. The second connecting piece is arranged at the gas outlet end of the gas flow channel and used for being detachably connected with the artificial airway, a heating coating is annularly arranged on the pipe wall in the circumferential direction of the pipe wall, the heating coating is provided with a power supply interface electrically connected with an external power source, and the heating coating is used for heating gas flowing through the gas flow channel. According to the auxiliary device, air in the air flow channel can be uniformly heated, so that air at the temperature suitable for the human body is discharged into the artificial airway from the second connecting piece, discomfort of a patient is avoided, the risk of pulmonary infection of the patient is reduced, the heating coating does not hinder circulation of the air in the air flow channel, and the ventilation efficiency is improved.
Owner:HUNAN MEDICAL TECH CO LTD

Tracheostomy tube provided with humidifying pipeline

PendingCN120983755ATracheal tubesTracheostomy tube insertionTracheostomy tubes
The invention relates to the technical field of medical equipment, and discloses a tracheostomy tube with a humidifying pipeline, which is characterized by comprising a cannula main body and the humidifying pipeline, and an artificial airway is arranged on the cannula main body; the humidifying pipeline is connected with the cannula main body; the humidifying pipeline is communicated with the artificial airway and used for introducing humidifying liquid into the artificial airway. Humidifying liquid is input into the cannula body at a proper speed, so that the humidity environment in an artificial airway can be kept, the requirements for the gas temperature and humidity in the using process are met, trachea blockage is avoided, and normal use of the tracheostomy tube is maintained.
Owner:SHENZHEN PEOPLES HOSPITAL

Sputum suction dirt treatment device matched with breathing machine and use method of sputum suction dirt treatment device

The invention discloses a sputum suction dirt treatment device matched with a breathing machine and a using method of the sputum suction dirt treatment device. The sputum suction dirt treatment device comprises a fixing assembly and a dirt treatment assembly. The fixing assembly comprises a clamping part and two telescopic cables connected with the clamping part; the dirt treatment assembly comprises a first container and a second container, and the first container and the second container are detachably connected with the two spiral cables respectively; the first container is provided with a first connector (connected with an artificial airway connector or connected with a closed sputum suction pipe connector on a front catheter of a breathing machine), a sputum suction opening and a first dirt flushing outlet. The second container is provided with a breathing machine front guide pipe tail end fixing connector (provided with a U-shaped clamping groove) and a second dirt flushing outlet; and sealing covers are arranged on the first dirt flushing outlet and the second dirt flushing outlet. The sputum aspirator can be used when the sputum aspirator is separated from or not separated from a breathing machine, the problems of sputum splashing, secretion overflowing, pathogenic microorganism diffusion and the like are solved, and secondary pollution and infection caused in the sputum aspiration operation process are avoided.
Owner:SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL

Respirator water accumulation cup fixing support and artificial airway humidification oxygen supply device

The utility model discloses a breathing machine water accumulation cup fixing support and an artificial airway humidification oxygen supply device, and relates to the technical field of medical instruments. The fixing support comprises two parallel cross rods at intervals, one end of each cross rod is provided with a bent portion, a vertical rod is connected between the bent portions, a hook at the other end of each cross rod can be clamped with a bedrail partition plate, and a nut on the vertical rod is matched with a jackscrew to support the partition plate to achieve fixing. One cross rod is connected with an extension rod, the vertical plate can slide along the extension rod, a supporting rod arranged at the bottom end of the vertical plate forms a containing cavity to be clamped with a Y-shaped connector of the water accumulation cup, and a limiting column and a fork piece on the cross plate are matched with a compression spring to be clamped and positioned with a boss of the Y-shaped connector. The support is extremely simple in structure, free of an independent frame, free of tools for mounting and dismounting and adaptive to a clinical compact space, pipeline traction can be reduced by adjusting the position of the vertical plate, the water accumulation cup is ensured to be vertical, backflow of condensate water is avoided fundamentally, and related risks are reduced; the artificial airway humidifying oxygen supply device comprises the support, and the use safety and convenience can be improved.
Owner:SHANDONG UNIV QILU HOSPITAL

Combined system of hidden closed tracheoscope and artificial airway breathing circuit

The application discloses a hidden closed tracheoscope and artificial airway breathing circuit combined system. The combined system comprises an artificial airway breathing pipeline and a tracheoscope. The artificial airway breathing pipeline comprises an inhalation circuit and an exhalation circuit connected by a connecting pipe. The tracheoscope comprises a handle part and an insertion part connected with the handle part. The tracheoscope handle part is wrapped on one section of the exhalation circuit. The application is based on the existing breathing circuit and disposable tracheoscope for structural modification. The tracheoscope insertion part is hidden in a section of the telescopic breathing circuit. The telescopic function makes the tracheoscope insertion part advance or retreat in the closed condition. The tracheoscope handle function components are ingeniously wrapped on the surface of the breathing circuit pipeline. The functions of the tracheoscope handle and the breathing circuit are organically combined. Meanwhile, the pipeline interface can be cleaned to keep the tracheoscope clean and unobstructed. The service life of the tracheoscope can be prolonged from single use to about 1-2 weeks.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV

Artificial airway heating and humidifying device in off-line state

The utility model discloses an artificial airway heating and humidifying device in an off-line state. The artificial airway heating and humidifying device comprises a humidifier, a locking piece, an oxygen supply unit, a liquid storage unit and a constant temperature unit. A containing space is formed in the humidifier and used for containing sterile liquid, and a connector is arranged at the upper end of the humidifier and used for being connected with an artificial airway. The locking piece is arranged at the upper end of the humidifier, located on the periphery of the connector and used for locking the connector on the artificial airway. The oxygen supply unit is communicated with the humidifier and used for inputting oxygen into the containing space so that the oxygen can be humidified through the sterile liquid in the containing space, and the oxygen enters the artificial airway through the connector. The constant temperature unit is detachably connected to the lower end of the humidifier and used for heating the sterile liquid in the humidifier. The air humidification device has the remarkable advantages of improving the humidification effect, maintaining airway health, being easy and convenient to operate, being portable and the like.
Owner:深圳市光明区人民医院

Nursing device for preventing ventilator-associated pneumonia

The invention belongs to the technical field of medical apparatus and instruments, particularly relates to a nursing device for preventing ventilator-associated pneumonia, and aims to overcome the defect that in the prior art, secretions under the glottis of a patient with an indwelling artificial airway are difficult to suck out, so that the probability that the patient suffers from ventilator-associated pneumonia is increased. A mounting ring is fixedly mounted on one side of the suction tube, two handle frames are symmetrically and fixedly mounted on one side of the mounting ring, a supporting tube is fixedly mounted on the inner wall of one side of the suction tube, and one end of the supporting tube extends to the outer side of the suction tube and is fixedly provided with a butt joint cover. The device is simple in structure and convenient to use, can conveniently collect sucked secretions, and can prevent gas or the sucked secretions from flowing back to the subglottis of a patient in the process of sucking the secretions of the patient, so that when the subglottis secretions are sucked, good safety is provided, and the safety of the patient is guaranteed.
Owner:ZHUJIANG HOSPITAL OF SOUTHERN MEDICAL UNIVERSITY

Airflow flushing system on artificial airway airbag and airway management instrument

The invention discloses an airflow flushing system on an artificial airway airbag and an airway management instrument. The airflow flushing system comprises a guide pipe piece (1) and an airflow supply device (2), the airflow supply device is provided with an outward flushing flow pipe opening and a pressure monitoring pipe opening, and the flushing flow pipe opening can output warm and wet gas outwards; the flushing flow pipe orifice is communicated to a flushing pipe (13) of the conduit piece, and the pressure monitoring pipe orifice is used for monitoring the pressure of input gas outwards; and the pressure monitoring pipe orifice is communicated to a suction pipe (14) of the catheter piece. By the adoption of the airflow flushing system, the upper portion of the air bag of an airway catheter receiving patient is subjected to warm air blowing, the normal breathing state is simulated by blowing warm air, and therefore the upper respiratory tract mucosa above the air bag is kept warm, mucosa damage is avoided, and the respiratory tract mucosa is prevented from being damaged. And therefore, the swallowing and glottis functions of a patient receiving the airway catheter cannot be disabled.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV

Bidirectional closed sputum suction tube

The invention discloses a bidirectional closed sputum suction tube, which relates to the technical field of sputum suction tubes, and comprises a negative pressure connector, a pressure valve, a protective film, a sputum suction inner tube, a three-way valve, a breathing machine interface, an artificial airway interface, a cleaning tube and a medicine injection tube, one end of the negative pressure connector is connected with negative pressure equipment, and the negative pressure connector is connected with the pressure valve and the sputum suction inner tube; the end, close to the pressure valve, of the sputum suction inner tube is sleeved with a protective film, the other end of the sputum suction inner tube is connected with a three-way valve, the three-way valve is provided with a breathing machine connector and an artificial airway connector, the three-way valve is connected with a cleaning tube and a medicine injection tube, and the end, away from the negative pressure connector, of the sputum suction inner tube extends into the airway from the artificial airway connector. By arranging the inner tube cleaning assembly, the sputum suction inner tube can be cleaned, high sputum suction efficiency is kept, in addition, by arranging the flushing switch assembly, liquid medicine can be prevented from entering the flushing tube during injection, residues of the liquid medicine in the three-way valve can be reduced, and waste of the liquid medicine is reduced.
Owner:SHAOXING HAITECH MEDICAL PROD CO LTD

Anesthesia video laryngoscope optical system

The invention discloses an optical system of an anesthesia video laryngoscope, belongs to the technical field of medical instruments, and particularly relates to an optical imaging system of the anesthesia video laryngoscope, which is specially used for establishing tracheal intubation operation of an artificial airway in general anesthesia and first-aid resuscitation. The problem that in the design of a video laryngoscope optical system, balance among an ultra-large field angle, a large depth of field, extreme structure compactness and low cost is difficult to achieve is solved. The system comprises a first lens, a first doublet lens group and a second doublet lens group which are sequentially arranged from an object side along an optical axis. The optical system of the anesthesia video laryngoscope is suitable for being used as an optical imaging system of the anesthesia video laryngoscope for endotracheal intubation operation for establishing an artificial airway in general anesthesia and first-aid resuscitation.
Owner:CHANGCHUN UNIV OF SCI & TECH

A snap-fit ​​artificial airway positioning guide clip

This invention relates to the field of endotracheal intubation technology. The aim is to provide a snap-fit ​​artificial airway positioning and guiding clip, comprising a laterally extending support plate for attaching to one side of a patient's face. One end of the support plate has a snap-fit ​​groove extending in a front-back direction, with the opening of the groove facing the side edge of the support plate. A section of the snap-fit ​​groove on the rear side of the support plate forms a toothed support section, and a section of the snap-fit ​​groove on the front side of the support plate forms an installation section. Both the top and bottom surfaces of the installation section have laterally extending strip-shaped openings. A guide cylinder is disposed within the installation section, and square insertion rods matching the width of the strip-shaped openings are fixedly mounted on both the upper and lower sides of the guide cylinder. This invention uses the guide cylinder to limit and guide the outer end of the inserted tube, improving the stability of the tube during insertion and enhancing the smoothness of intubation. After insertion, the support plate serves as a base to lock the guide cylinder, ensuring its secure fixation.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Artificial airway ventilation device

The utility model relates to the technical field of medical instruments, in particular to an artificial airway ventilation device which comprises a first connecting pipe and a second connecting pipe, one end of the first connecting pipe is arranged in an artificial airway, a functional pipeline communicated with the inside of the first connecting pipe is arranged on the side wall of the first connecting pipe, and the second connecting pipe is connected to the other end of the first connecting pipe in a sealed mode. The end, away from the first connecting pipe, of the second connecting pipe is detachably connected with a functional part. Compared with the prior art, the artificial nose has the following advantages that the first connecting pipe is arranged, and the first functional pipe and the humidifying pipeline which can be connected with the artificial nose in a sealed mode are arranged on the first connecting pipe, so that the oxygen input function and the humidifying water input function of the artificial nose can be achieved at the same time; a sputum cup or an atomizer can be connected according to use requirements, sputum of a patient can be conveniently collected, atomization treatment can be conducted on the patient, the artificial nose is prevented from being polluted by the sputum, the replacement frequency is reduced, the treatment cost is reduced, and danger to the patient is avoided.
Owner:林紫颜

Anesthesia video laryngoscope optical system

The application discloses an anesthetic video laryngoscope optical system, and belongs to the technical field of medical instruments, in particular to an anesthetic video laryngoscope optical imaging system specially used for tracheal intubation operation for establishing an artificial airway in general anesthesia and emergency resuscitation. The system solves the problem that it is difficult to balance between an ultra-large field angle, a large depth of field, extreme compactness and low cost in the design of a video laryngoscope optical system. The system comprises a first lens, a first double-cemented lens group and a second double-cemented lens group arranged in sequence along an optical axis from an object side. The anesthetic video laryngoscope optical system is suitable for being used as an anesthetic video laryngoscope optical imaging system for tracheal intubation operation for establishing an artificial airway in general anesthesia and emergency resuscitation.
Owner:CHANGCHUN UNIV OF SCI & TECH

Airway opening pressure measuring device

The utility model discloses an airway opening pressure measuring device which comprises a breathing machine communicating pipe, a three-way pipe, a pressure measuring end pipe and an artificial airway fixator, the breathing machine communicating pipe is communicated with the pressure measuring end pipe through the three-way pipe, and the third opening end, different from the breathing machine communicating pipe and the pressure measuring end pipe, of the three-way pipe is a pressure zero calibration opening. The artificial airway fixator is clamped with an artificial airway outer opening and the pressure measuring end tube, and one end, deviating from the three-way tube, of the pressure measuring end tube extends into the artificial airway of the patient for pressure measurement; tracheotomy model number scales and trachea cannula model number scales are arranged on the pressure measuring end tube, the tracheotomy model number scales correspond to the tip opening in the lower trachea of the model number, and the trachea cannula model number scales correspond to the tip opening in the cannula of the model number. According to the utility model, the respiratory effort is measured by utilizing the synchronism and correlation of the fluctuation of the tip pressure in the artificial airway and the fluctuation of the pressure in the esophagus, the design and the operation are simple, the product consumable cost is low, the maintenance and the cleaning are simple, the labor cost is low, and the popularization is convenient.
Owner:ZHONGSHAN HOSPITAL FUDAN UNIV