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227 results about "Tracheal tube" patented technology

A tracheal tube is a catheter that is inserted into the trachea for the primary purpose of establishing and maintaining a patent airway and to ensure the adequate exchange of oxygen and carbon dioxide.

Trachea intubation device and breath sound monitoring system

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.
Owner:THE FIRST AFFILIATED HOSPITAL OF TSINGHUA UNIV +1

Intubation assembly

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.
Owner:HANSEN BRYANT C

A breathing circuit and tracheal tube connector holder

ActiveCN224404135UTracheal tubeMedicine
The utility model discloses a kind of respiratory circuit and tracheal intubation connection fixer, including connection main part, the upper surface side of connection main part is fixedly provided with fixed plate one, the surface of fixed plate one is movably provided with fixed clamp, the bottom end of one side of fixed clamp is provided with fixed base plate, the surface of fixed base plate is provided with lower clamping block, fixed clamp is opened in the surface of fixed base plate side with sliding slot, the inside of sliding slot is movably provided with sliding block, the surface of sliding block is fixedly provided with upper clamping block, the surface of upper clamping block is threadedly connected with adjusting bolt, when facing different specifications pipeline clamping, adjusting bolt can be rotated cooperation sliding slot and sliding block to make upper clamping block adjust in the inside of sliding slot, cooperation lower fixed base plate and lower clamping block can be clamped Work, while the setting of sliding slot can play the role of limit sliding. The utility model has the characteristics of strong practicability and clamping different size pipelines according to actual use.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Fixator for tracheal catheter

The utility model relates to a fixing device for a tracheal catheter, the tracheal catheter is sleeved with the fixing device for fixing the tracheal catheter, the fixing device can freely slide on the tracheal catheter, slide ways which are obliquely arranged are evenly distributed on a sliding sleeve, the slide ways penetrate through the sliding sleeve, and the slide ways point to the tracheal catheter. A fixing rod for fixing the sliding sleeve through sliding is installed on the sliding way, the fixator can freely slide on the tracheal catheter, and the position of the fixator on the tracheal catheter can be conveniently adjusted; the fixing rod can freely slide on the sliding groove, when force is applied to the driving ring, the driving ring can drive the fixing rod to slide on the sliding groove and slide in the sliding way at the same time, fixing of the sliding sleeve is achieved, and the end, close to the tracheal catheter, of the fixing rod is spherical so that the tracheal catheter can be prevented from being damaged. And when the driving sleeve is rotated, the driving sleeve can drive the driving ring to move through threaded fit with the driving ring, so that the fixing rod moves, the function of fixing the sliding sleeve is achieved, and the fixing operation of the sliding sleeve can be more convenient through the driving sleeve.
Owner:SHENZHEN HOSPITAL OF INTEGRATED TRADITIONAL CHINESE & WESTERN MEDICINE

Laryngoscope

The utility model relates to the technical field of medical instruments, in particular to a laryngoscope which comprises a handle, a tongue pressing piece connected to one end of the handle and a display device connected to the other end of the handle, the tongue pressing piece is provided with a first installation cavity, and a camera, a first laser emitting head and a second laser emitting head are arranged in the first installation cavity. The first laser emission head and the second laser emission head are respectively used for emitting a first laser beam and a second laser beam which are arranged in parallel at an interval to the glottis of a human body, and the shooting direction of the camera is parallel to the first laser beam and the second laser beam; the first laser beam and the second laser beam irradiate the glottis of a patient to form two light spots with the fixed distance, the first laser beam, the second laser beam and the two light spots and the light beam can be displayed in a display picture of the display device, and the two light spots, the first laser beam and the second laser beam can provide references for doctors. A doctor can conveniently judge the glottis size of a patient, and then the doctor can conveniently determine the specification of the tracheal catheter.
Owner:GUANGDONG GENERAL HOSPITAL

Airway protection system with synchronous cleaning and suction and axial oscillation

The invention relates to an airway protection system with synchronous cleaning and suction and axial oscillation, which belongs to the technical field of medical instruments and comprises a tracheal catheter module, a synchronous cleaning and suction execution module, an axial low-frequency oscillation module and a central control module. The tracheal catheter module is provided with a sealing structure and a double-cavity cleaning and sucking assembly, the synchronous cleaning and sucking execution module achieves cooperative operation of flushing and sucking, the axial low-frequency oscillation module can loosen secretions in the deep portion of an airway, and the central control module regulates and controls time sequence operation of all the modules. According to the system, through cooperative work of multiple modules, the problems that subglottic secretions are not thoroughly cleared away, gastric contents are in hidden reflux, and secretions in the deep part of an airway are low in clearance efficiency are solved, the occurrence rate of ventilator-related pneumonia can be reduced, the airway nursing safety is improved, and the workload of medical staff is relieved.
Owner:THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV

Tooth cushion for general anesthesia

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.
Owner:FOSHAN NANHAI DISTRICT FOURTH PEOPLES HOSPITAL (FOSHAN NANHAI DISTRICT XIQIAO PEOPLES HOSPITAL)

Children tracheal catheter replacement guide wire

ActiveCN223555287UTracheal tubesGuide wiresTracheal tubeTracheal wall
The utility model relates to the field of medical instruments, in particular to a child tracheal catheter replacement guide wire which comprises a catheter body. The catheter comprises a catheter body and further comprises a core wire, a winding spring, a connector and a hydrophilic layer, the core wire is arranged in the catheter body, the outer side of the core wire is annularly sleeved with the winding spring, the connector is arranged at the top of the catheter body, the top of the core wire is connected with the bottom of the connector, the outer side wall of the core wire is wrapped with the hydrophilic layer, and the outer side wall of the winding spring is provided with a lubricating layer. By arranging the protective structure, the tracheal wall can be prevented from being damaged in the catheter replacement process, and the problems that when a common tracheal catheter is replaced and used, the catheter needs to be rapidly replaced, and although a guide wire can be inserted into the catheter due to the fact that the penetrability of the tip end of the guide wire of the catheter is high, the catheter cannot be rapidly replaced are solved. However, a protection structure is lacked, so that the tracheal wall is easily damaged in the catheter replacement process, the normal use of the catheter is influenced, and the use safety and practicability of the tracheal catheter are reduced.
Owner:BAODING HOSPITAL BEIJING CHILDRENS HOSPITAL CAPITAL MEDICAL UNIVERSITY

Tracheostomy tube securement dressing

ActiveCN309677555SThroatTracheal tube
1. The name of the design product: tracheal tube fixing dressing. 2. The use of the design product: the design product is used to fix the tracheal tube on the throat. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Automatic screw feeding device

The utility model provides an automatic screw feeding device which comprises a machine frame outer reverse screw mechanism, a funnel-shaped flow guide opening is formed in the bottom of the machine frame outer reverse screw mechanism, a discharging opening is formed in the first side wall of the funnel-shaped flow guide opening, and the inner side of the second side wall of the funnel-shaped flow guide opening is connected with the top of the discharging opening. Compressed air flows in the direction of the discharging port from the reverse screw mechanism outside the rack. And the discharge port is connected with a screw feeder through a tracheal catheter. According to the utility model, the charging operation can be completed without opening the rack of the equipment, so that the potential safety hazard is eliminated, the safety of operators is guaranteed, and the reliability and stability of the equipment are improved.
Owner:AMPHENOL PHOENIX ANJI TELECOM PARTS CO LTD

Trachea cannula with bite block

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

Double lumen endotracheal tube

1. The name of the design product: double balloon tracheal tube. 2. The use of the design product: double balloon tracheal tube for tracheal intubation. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view 1.
Owner:MEI HOSPITAL UNIV OF CHINESE ACAD OF SCI

Trachea cannula catheter

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

Trachea cannula with aerosolization function under air bag

The invention discloses a trachea cannula with an aerosolization drug delivery function under an air bag. The trachea cannula comprises a main tube body, the air bag, an air bag inflation tube and an independent drug delivery channel embedded in the tube wall of the main tube body. The far end of the channel extends below the attachment point of the air bag and is communicated with the air channel through a plurality of micropores, and the near end of the channel is provided with a standardized connecting port. Medicine can be accurately conveyed to a dead space area below the air bag, efficient phlegm reduction, blocking prevention and infection resistance are achieved, negative pressure suction is supported, administration-suction integrated operation is formed, and nursing safety and convenience are remarkably improved.
Owner:长沙市口腔医院

System and method for characterizing an inflatable cuff

A system for characterizing an inflatable cuff, arranged around a tracheal tube for providing patient breathing support, includes at least one flow unit, such as a pump, in fluid connection with a cuff conduit connected to the cuff, to fill the cuff with gas or liquid. At least one pressure sensor measures pressure in the cuff. At least one flow sensor measures a flow of gas or liquid to and / or from the cuff. A processing unit estimates the volume or a change of volume in the cuff based on flow measurements. The processing unit is configured to: extract a pressure-volume relationship between the measured pressure and the estimated volume or a change of the volume in the cuff, and compare the pressure-volume relationship against a previously measured or a predetermined reference pressure-volume relationship to characterize the inflatable cuff. A method for characterizing such an inflatable cuff is also provided.
Owner:AW TECH APS

Trachea cannula incisor protection sleeve

The utility model discloses a trachea cannula incisor protective sleeve, which belongs to the technical field of incisor protective sleeves and comprises an upper protective sleeve, a lower protective sleeve is arranged below the upper protective sleeve, a fixing frame is arranged on the outer side of the lower protective sleeve, two limiting blocks are slidably connected to the inner wall of the fixing frame, and a limiting column is slidably connected to the inner wall of each limiting block. The ends, away from each other, of the two limiting columns are fixedly connected with the inner wall of the fixing frame, and the side faces, away from each other, of the two limiting blocks are fixedly connected with springs. According to the trachea cannula incisor protection sleeve, the inclined moving block can drive the limiting block to move towards the two sides to be opened, meanwhile, the limiting block can extrude the spring when moving, on the contrary, the spring can conveniently assist the limiting block to conduct closing reset, and therefore the opening and closing effect of the limiting block can be controlled under the cooperation of the inclined push plate and the spring; and therefore, the air pipe in the limiting block can be conveniently limited, and the situation that the air pipe shakes during use is avoided.
Owner:903 HOSPITAL OF THE JOINT LOGISTICS SUPPORT FORCE OF THE PEOPLES LIBERATION ARMY OF CHINA

Tracheal tube holder (A)

1. The name of the design product: tracheal tube fixator (A). 2. The use of the design product: the design product is used for fixing tracheal tube. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:TONGXIN HOME CARE (SHENZHEN) HEALTH CARE IND CO LTD

Surgical airway isolation device

The invention relates to the technical field of bronchial treatment equipment, and particularly provides a surgical airway isolation device which comprises a tracheal catheter provided with a first opening and a second opening; the adapter elbow is arranged on the first opening, the adapter elbow is communicated with the air guide channel, a treatment inlet and an oxygen supply inlet are formed in the adapter elbow, and a fixed clamping position is arranged on the inner side wall of the oxygen supply inlet; the isolation branch pipe comprises an air guide pipe, an isolation lantern ring, an isolation membrane and a first air bag; the air guide tube is detachably connected to the fixing clamping position, the air guide tube and the isolation lantern ring are of hollow structures, the isolation lantern ring is communicated with the air guide tube, a plurality of air outlet holes are formed in the outer side wall of the isolation lantern ring, the isolation membrane is arranged in the middle of the isolation lantern ring, and a fixing hole for the endoscopy to penetrate through is formed in the middle of the isolation membrane; the first air bag is arranged around the outer side of the isolation lantern ring. According to the application, the affected side bronchus can be isolated, and the treatment mirror is utilized to perform laser treatment on the focus part.
Owner:SOUTH CHINA HOSPITAL OF SHENZHEN UNIVERSITY +2

Intraoral fixator for trachea cannula

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

Trachea cannula fixer

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

Air leakage prevention type trachea cannula

The utility model belongs to the field of trachea cannulas, and discloses an air leakage prevention type trachea cannula which comprises a catheter. An air bag fixedly sleeves the peripheral wall of the outer side, far away from the end of the outer joint, of the catheter; one end of the air injection pipe is located on the inner side of the catheter and is communicated with the air bag, and the other end of the air injection pipe penetrates through the peripheral wall of the catheter and extends to the outer side of the catheter; a connecting cylinder is fixed to the end, away from the air bag, of the air injection pipe, the two ends of the connecting cylinder are open, the connecting cylinder is in through connection with the air injection pipe, an air valve is arranged in the connecting cylinder, and the connecting cylinder is sleeved with a detachably-connected cap used for sealing and blocking the connecting cylinder. Through double sealing of the air valve and the cap, the end, away from the air bag, of the air injection pipe is effectively sealed and blocked, the possibility of air leakage in the air bag is reduced, and in the follow-up intubation treatment process, medical staff do not need to monitor the air bag pressure and intermittently inject air to maintain the air bag pressure.
Owner:GAOZHOU HOSPITAL OF TRADITIONAL CHINESE MEDICINE (GAOZHOU SECOND PEOPLES HOSPITAL GAOZHOU ORTHOPEDIC HOSPITAL)

Automatic pressure regulating negative pressure suction device with automatic humidification function

ActiveCN113855866BMedical devicesSuction devicesCerebrospinal fluidThick sputum
The application discloses an automatic pressure regulating negative pressure suction device with automatic humidification function, which comprises a tracheal catheter, a closed sputum suction tube connected to the tail end of the tracheal catheter, a humidification tube connected to a humidification tube port on the closed sputum suction tube, an infusion device connected to the upper end of the humidification tube, sterile humidification liquid connected to the infusion device, a quantitative injection device additionally arranged outside a Murphy dropper of the infusion device, and a pressure pump provided with a volume sensor and a closed air bag wrapping the Murphy dropper, wherein the tail end of the closed sputum suction tube is connected to a disposable negative pressure suction liquid storage bottle through a suction device leather strap, and another connecting port of the negative pressure suction bottle is connected to a negative pressure suction pressure regulating table. According to the application, pressure modules are selected according to different suction liquids (sputum, bile, intestinal fluid, cerebrospinal fluid, etc.), a standard negative pressure value range is adjusted by one key, and the application is convenient to use. In addition, the automatic humidification can be performed on thick sputum for the sputum suction operation, the sputum is made to be thin, and the suction is facilitated.
Owner:THE FIRST PEOPLES HOSPITAL OF NANTONG

Tracheal tube holder

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

Tip-controlled bronchial cannula

The application discloses a controllable tip bronchial cannula, which comprises a tracheal catheter, a first inflatable cuff and a second inflatable cuff which are arranged on the outer wall of the tracheal catheter at intervals, wherein at least one ventilation hole is arranged on the tracheal catheter between the first inflatable cuff and the second inflatable cuff, the ventilation hole penetrates the tracheal catheter wall and communicates with the lumen of the tracheal catheter; an elastic film is arranged in the lumen of the tracheal catheter, the elastic film is provided with at least one third opening which communicates with the lumen of the tracheal catheter, and the third opening is arranged in a staggered mode with the ventilation hole; and a control component is further arranged, which is used for controlling the elastic film to switch between closing the ventilation hole and opening the ventilation hole. The bronchial cannula of the application makes the airway management of lung isolation more refined, breaks through the traditional left / right lung isolation, and realizes the precise physical isolation of the operation area and the non-operation area in units of lung lobes.
Owner:RUIJIN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE +1

Tooth pad for preventing tongue from being bitten under electrical stimulation

The invention discloses a bite pad for preventing tongue bite under electrical stimulation, the bite pad comprises a supporting and fixing unit and an intelligent detection system, the supporting and fixing unit and the intelligent detection system are integrally assembled, and the supporting and fixing unit comprises a connecting piece, a self-adaptive deformation body, a fitting part and a ventilation channel; the intelligent monitoring system comprises a pressure monitoring module, a signal processing module, an alarm module and a wireless transmission module, and it is ensured that no displacement or falling-off is generated under electrical stimulation through the elastic buckle, the magnetic attraction fixing band and a fixing structure of the tracheal catheter; the pressure monitoring module is combined with the signal processing module with a built-in dynamic threshold value algorithm and the alarm module linked with local acousto-optic and remote nurse stations to guarantee multi-terminal timely response, and clinical pain points such as tongue bite under electrical stimulation, insufficient fixation of a tooth cushion, lack of oral care and early warning lag are solved.
Owner:晋江市医院(上海市第六人民医院福建医院)

Lung segment bronchial catheter

The application provides a lung segment bronchus catheter, which comprises a catheter tail end ventilation and suction interface, a cuff inflation device, an outer tube, an inner tube, a front end cuff and a guide end formed by the inner tube; the cuff is annularly arranged on the outer surface of the catheter head, and is in the form of a ring ball wrapped around the inner tube in the inflated state; the cuff inflation interface and the cuff inflation conduit are communicated between the gap between the outer tube and the inner tube at the catheter tail and lead to the cuff; the catheter ventilation and suction interface is communicated with the inner tube and the guide end formed by the inner tube, and a guide wire is arranged in the catheter ventilation and suction interface to form a straight lumen. The catheter can enter the target lung segment or sub-lung segment bronchus through the operation channel of the bronchoscope, the inflated cuff seals the airway cavity around the lung segment bronchus catheter cavity, then the guide wire is pulled out from the lung segment bronchus catheter cavity, the target lung segment or sub-lung segment is inflated through the catheter ventilation and suction interface, so that the anatomical range of the target lung segment or sub-lung segment after ventilation is revealed, the technical problem that a thoracic surgeon cannot accurately identify the anatomical range of the target lung segment in the operation is effectively solved, and the thoracic surgery anatomical partial lobectomy operation is facilitated.
Owner:CANCER INST & HOSPITAL CHINESE ACADEMY OF MEDICAL SCI

Z-MOF anti-inflammatory nanoparticle hydrogel composite coating loaded with TNF-alpha aptamer and preparation method and application of Z-MOF anti-inflammatory nanoparticle hydrogel composite coating

The invention relates to the field of medical polymer materials, and provides a TNF-alpha aptamer-loaded Z-MOF anti-inflammatory nanoparticle hydrogel composite coating and a preparation method thereof, and the preparation method comprises the following steps: step 1, preparing an aptamer; step 2, obtaining an aptamer with enriched high affinity; step 3, modifying the aptamer prepared in the step 2; 4, the modified aptamer is connected with MOF, and an MOF-aptamer compound is obtained; step 5, preparing and obtaining the Z-MOF anti-inflammatory nanoparticle hydrogel loaded with the TNF-alpha (tumor necrosis factor-alpha) aptamer; and step 6, preparing the Z-MOF anti-inflammatory nanoparticle hydrogel composite coating loaded with the TNF-alpha aptamer. The surface of the tracheal catheter is coated with the prepared composite coating. According to the preparation method, the hydrogel coating and the tracheal catheter are combined in a covalent bond mode to form the mucous membrane imitating structure, the mucous membrane imitating structure is good in surface mechanical compliance and hydrophilic lubrication performance, more importantly, the stability of the mucous membrane imitating structure is good, and the long-term indwelling requirement of the tracheal catheter is met.
Owner:GUANGDONG GENERAL HOSPITAL

Trachea intubation auxiliary device for emergency department

The utility model relates to the technical field of tracheal intubation, and provides a tracheal intubation auxiliary device for emergency department, which comprises a magnetic component, a limit component and two support plates, the magnetic component is arranged on the contact end face of the two support plates, the contact end face of the two support plates is provided with a clamping bulge and a clamping groove, and the limit component is arranged in the clamping bulge. The clamping protrusion and the clamping groove are arranged on the contact end faces of the two supporting plates respectively, the two supporting plates are detachably connected, and a first abutting portion and a second abutting portion are arranged on the contact end faces of the two supporting plates and a patient respectively. The limiting components are arranged on the first abutting part and the second abutting part respectively. The novel intubation auxiliary device has the advantages that the supporting and fixing effects are good, the intubation position is fully exposed, and the practicability is high.
Owner:ZHUJIANG HOSPITAL OF SOUTHERN MEDICAL UNIVERSITY

Safe tracheal catheter for tracheotomy

ActiveCN224099787UTracheal tubesTracheotomyTracheal tube
The utility model discloses a safe tracheal catheter for tracheotomy. The safe tracheal catheter comprises a triangular prism trachea, a trachea connector and a liquid extraction tube, wherein the interior of the triangular prism trachea is hollow; the triangular prism air pipes are connected through elastic pieces, the liquid extraction pipe is fixedly installed on one sides of the triangular prism air pipes, and the air pipe connector comprises a first connecting end and a second connecting end; one end of the triangular prism trachea is connected to the first connecting end of the trachea connector in a sleeving mode, the second connecting end of the trachea connector is connected with the external air supply pipe in a sleeving mode, and then the triangular prism trachea is placed in the trachea of a patient in an operation, so that after the trachea is cut open, the triangular prism trachea does not hinder a tracheostomy tube from being placed in the trachea, and the tracheostomy tube is not blocked. And the position of the triangular prism trachea does not need to be adjusted, so that the operation can be implemented and operated by a single person more easily in the operation process, and the situations that the airway is blocked, the triangular prism trachea is fractured and disengaged and enters other gaps of the neck by mistake can be avoided.
Owner:广州医科大学附属清远医院(清远市人民医院)

Tracheal catheter capable of preventing pressure sores

The utility model discloses a pressure sore prevention tracheal catheter which comprises a tracheal catheter body, a fixator, a fixing piece and a pressure reduction protective sleeve, an air bag is arranged on the tracheal catheter body, an inflation tube is integrally connected to the middle of the bottom face of the tracheal catheter body and used for inflating the air bag, and the fixator is suitable for being supported between upper teeth and lower teeth of a patient. The fixing device is used for opening the mouth of a patient, a limiting groove is formed in the outer surface of the fixing device in the circumferential direction so as to limit upper teeth and lower teeth of the patient, a through hole is formed in the fixing device, the tracheal catheter is arranged in the through hole in a penetrating mode, and the fixing piece is arranged on the front side of the fixing device. The fixing device is used for fixing the tracheal catheter in the fixing device, and the pressure reduction protection sleeve is arranged on the outer surface of the tracheal catheter and the outer surface of the inflation tube in a sleeving mode and used for relieving pressure on the oral mucosa of a patient. The functionality of the catheter is guaranteed, the safety experience of a patient is emphasized, and discomfort and complications caused by intubation are reduced.
Owner:SHENZHEN CHILDRENS HOSPITAL