30 results about "Bronchial cannula" patented technology

A disclosed sleeve type trachea cannula with a variable pipe diameter comprises a double-bag bronchial cannula body with side holes and a sheath tube with the variable inner diameter, the sheath tube with the variable inner diameter is inserted into the double-bag bronchial cannula body with the side holes, the front end of the trachea cannula body is sleeved with a first air bag and a second air bag, a breathing hole is formed in the portion, between the first air bag and the second air bag, of the tube body, a blocking air bag is arranged at the front end of the sheath tube with the variable inner diameter, and when the sheath tube with the variable inner diameter is inserted into the double-bag bronchial cannula body with the side holes, the blocking air bag crosses the breathing hole and blocks the tube body of the double-bag bronchial cannula with the side holes after being inflated. The tube diameter of the sheath tube with the variable inner diameter of the trachea cannula can be adjusted according to needs, the aim of ventilating the lung or blocking the bronchus on any side can be achieved without replacing sheath tubes with different tube diameters, and the difficulty and the risk of surgical operation are reduced; and meanwhile, the tube diameter of the sheathing canal is convenient to adjust, the tube diameter of the sheathing canal can be adjusted by pressing down or pulling up, and operation is convenient.

The invention discloses a disposable sterile double-cavity bronchial cannula branch joint with a cross valve. The disposable sterile double-cavity bronchial cannula branch joint comprises a tube body and a judgment mechanism, wherein the cross valve for controlling on-off of oxygen supply is arranged on the tube body; and the judgment mechanism comprises a clip, an insertion hole, a telescopic spring and a groove. The disposable sterile double-cavity bronchial cannula branch joint has the beneficial effects that the on-off of the oxygen supply is controlled through the cross valve, and compared with a traditional mode that the on-off of the oxygen supply is controlled through a manual clamp, the sterile double-cavity bronchial cannula branch joint reduces labor intensity and improves the on-off control efficiency of the oxygen supply. Through the designed judgment mechanism, in a process of rotating the cross valve, whether the valve is completely opened or closed or not can be effectively judged through the sound of rotating the clip. Through a designed guiding component, the guiding of the movement of the clip is increased. The cross valve is provided with an on-off bidirectional arrow mark, when the arrow of the on-off bidirectional arrow mark is parallel to the tube body, oxygen supply opening is represented, when the arrow of the on-off bidirectional arrow mark is perpendicular to the tube body, oxygen supply closing is represented, and use convenience is improved.

The invention discloses an inflation-free sleeve bag and endotracheal cannulas. The inflation-free sleeve bag comprises a bag body; a bonding face used for being bonded with a cannula body is formed on the bag body; the bag body is filled with gel; and the gel is used for shaping the bag body to be attached to and support a trachea. According to the inflation-free sleeve bag, the fluid gel is usedas a filler, the problems that an existing air bag leaks air and is unstable in air pressure are solved, the matching performance of the sleeve bag and the trachea of a human body is improved, the glue supplementing design can be added, and the sealing performance design of the sleeve bag is improved. The invention further discloses the various endotracheal cannulas which adopt the above-mentioned inflation-free sleeve bag; existing products such as endotracheal cannulas, tracheotomic cannulas, double lumen bronchial cannulas and sealing bronchial cannulas are optimized, and clinical use requirements are met.

The invention discloses a bronchial cannula for performing a pulmonary ventilation operation on a patient. The bronchial cannula comprises a cannula body and a camera module, wherein the camera moduleis workably installed at the front end of the cannula body to monitor related intraoperative information of the patient.

The invention provides a flattening device for a steel wire of a steel wire knitting outer tube in a bronchial cannula, belongs to the technical field of machinery, and aims to solve the problem that a current forming device is not high in applicability. The flattening device for the steel wire of the steel wire knitting outer tube in the bronchial cannula comprises a rack, wherein forming wheels and material barrels are connected on the rack; the material barrels are used for storing the steel wire wound on the material barrels; a regulating and positioning mechanism is arranged between the forming wheels and the rack; and by virtue of the regulating and positioning mechanism, the forming wheels which are regulated and positioned in position are fixed on the rack. The flattening device for the steel wire of the steel wire knitting outer tube in the bronchial cannula is high in applicability.

The invention relates to the field of medical instruments, in particular to a coaxial double-lumen bronchial cannula which comprises a tracheal cannula body, an inner trachea is arranged in the tracheal cannula body, one end of the inner trachea is fixedly connected with the inner wall of the tracheal cannula body, the other end of the inner trachea penetrates out of the tracheal cannula body, and a cavity is formed between the inner trachea and the tracheal cannula body. An upper ventilation hole channel is formed in the joint of the inner trachea and the inner wall of the trachea cannula body, a lower ventilation hole channel is formed in the lower end of the trachea cannula body, a first air bag is arranged on the outer surface of the inner trachea and arranged in the cavity, and a second air bag is arranged on the outer surface of the end, extending out of the trachea cannula body, of the inner trachea. A third air bag is arranged on the outer surface of the trachea cannula body. Single-lung and double-lung ventilation and two-lung isolation are achieved only by adjusting the inflation state of the air bag, frequent intubation is not needed, intubation damage is small, the difficulty is low, the problems that a bronchus plugging tube is difficult to fix, plugging side lung collapse is difficult, and hypoxemia occurs are solved, and clinical requirements are met.

The invention relates to transportation equipment, in particular to disposable sterile double-lumen bronchial cannula sealed transportation equipment. The technical problem is to provide the disposable sterile double-lumen bronchial cannula sealed transportation equipment which is small in size and avoids waste. According to the technical scheme, the disposable sterile double-lumen bronchial cannula sealed transportation equipment comprises a base and a first mounting block, wherein the first mounting block is arranged at the top of the base; and a first sliding block arranged in the first mounting block in a sliding manner. By arranging a connecting belt, an intubation tube is fixed, and the intubation tube can be prevented from being damaged in the transportation process; a second clamping block is arranged, so that the situation that the first sliding block automatically slides out in the transportation process of the equipment can be avoided; and by arranging a pushing mechanism, the first sliding block and components on the first sliding block are pushed leftwards by a certain distance, and people can conveniently move out the first sliding block.

The invention discloses a disposable silica gel double-cavity bronchial cannula and a preparation technology thereof. The disposable double-cavity bronchial cannula comprises a double-cavity bronchial cannula body, an accessory and a suction catheter for the respiratory tract, wherein the double-cavity bronchial cannula body comprises a main tube, the front end of the main tube is a patient end, a spring is arranged in an interlayer at the front end of the main tube, the patient end of the main tube is further provided with a bronchial cuff and a tracheal cuff, and the tracheal cuff, the bronchial cuff, an externally-connected tube, an inflation tube, an indication air bag and a protective cap are made of silica gel materials. A conical connector, a connecting tube, the tube body of the suction catheter for the respiratory tract and the connector are made of polyvinyl chloride, a 15mm standard connector, a trifurcate connector, a three-way connector and a 15mm standard conical sleeve are made of polypropylene, and a one-way valve is made of polyvinyl chloride and stainless steel. The product is sterilized by ethylene oxide and is sterile, so that the disposable silica gel double-cavity bronchial cannula is firmer and more durable and is prevented from being damaged in the use process, and the stability of the disposable silica gel double-cavity bronchial cannula is ensured when being used by a patient.

The invention provides a special tracheal catheter for an occlusive bronchial cannula used for occlusion outside a bronchus. The special tracheal catheter comprises a catheter main tube and an inflated air bag, wherein a first clamping groove is concavely formed in an outer wall surface of the catheter main tube toward an inner wall surface of the catheter main tube; and the first clamping grooveis distributed along the length direction of the catheter main tube and is arranged at a naturally bent side of the catheter main tube. According to the special tracheal catheter for the occlusive bronchial cannula provided by the invention, removable, clamped and slidable connection with an occlusive catheter of the occlusive bronchial cannula can be achieved, and the relatively fixed and movablestate can be achieved. Particularly, in a surgery, since the occlusive catheter is fixed on the special tracheal catheter for the occlusive bronchial cannula, so that the insertion of the occlusive catheter and the tracheal catheter in a bronchus occlusion process in a thoracic surgery can be completed in one step, and the use steps are simple. Due to the relatively fixed and movable design, thespecial tracheal catheter is more convenient and simpler to adjust or exit in the surgery, and the intraoperative or postoperative safety hazards can be greatly reduced.

The invention discloses a medical double-layer trachea cannula. The medical double-layer trachea cannula comprises a main trachea cannula, a second trachea cannula and an air bag assembly. The secondtracheal cannula comprises a first bronchial cannula and a second bronchial cannula, and the first bronchial cannula and the second bronchial cannula are accommodated in the main tracheal cannula sideby side; the air bag assembly comprises a first air bag, a second air bag and a third air bag, and the first air bag sleeves the main trachea cannula; the second air bag is sleeved on the first bronchial cannula; the second bronchial cannula is sleeved with the third air bag. The air bag is used for sealing a gap between the cannula and a trachea or a bronchus. Oxygen is provided for the left lung lobe and the right lung lobe through the first bronchial cannula and the second bronchial cannula which are contained in the main tracheal cannula respectively, and the situation that the tracheal cannula cannot supply oxygen effectively when the lung lobe on one side has mechanical injury or generates lesion and cannot receive oxygen or oxygen supply to the lung on one side is needed and lung treatment on the other side is needed is avoided, and the risk of treatment is reduced.

The invention discloses a three-cavity bronchial cannula for practical ultrasonic lung lavage. The cannula comprises a cannula body, a main plugging capsule is arranged on the outer side of the cannula body in a sleeving manner and connected with a main inflatable catheter, one end, far away from the main plugging capsule, of the main inflatable catheter is connected with a main spherical capsule,the cannula body comprises a ventilation pipe, a liquid outlet pipe and a liquid injection pipe, a ventilation opening is formed in the top of the ventilation pipe, a liquid outlet is formed in the top end of the liquid outlet pipe, a liquid injection opening is formed in the top end of the liquid injection pipe, two auxiliary plugging capsules are arranged on the outer sides of the lower ends ofthe liquid outlet pipe and the liquid injection pipe in a sleeving manner, each auxiliary plugging capsule is connected with an auxiliary inflatable catheter, one end, far away from the correspondingauxiliary plugging capsule, of each auxiliary inflatable catheter is connected with an auxiliary spherical capsule, and ultrasonic generators are arranged at the lower ends of the liquid outlet pipeand the liquid injection pipe and connected with ultrasonic controller connectors through leads.

The invention discloses a manufacturing process of a bronchial cannula elbow, and relates to the technical field of bronchial cannula elbows. The method comprises the steps that S1, a spring sleeves amold insert; S2, the mold insert sleeved with the spring is placed in a first mold cavity for primary molding; S3, gel is injected into the first mold cavity to form a product inner hole part; S4, the mold insert with the formed product inner hole part is taken out of the first mold cavity and then is placed in a second mold cavity for secondary molding; and S5, the gel is injected into the second mold cavity to form a product appearance part. According to the technical scheme, the manufacturing process of the bronchial cannula elbow is simple and convenient, the required steps are also few,meanwhile, the bronchial cannula elbow manufactured through the manufacturing process is good in performance, not prone to be damaged in the using process, and good in user experience, so that the maintenance cost of a manufacturer is reduced, the application prospect is wide, and the market competitiveness of the manufacturer is greatly enhanced.

The invention provides a novel pediatric clinical bronchus support instrument, and relates to the technical field of medical instruments. The novel pediatric clinical bronchus support instrument comprises a bottom plate, wherein a head fixing structure is fixedly connected to the upper surface of the bottom plate; a moving structure is arranged on the upper surface of the bottom plate and locatedabove the head fixing structure; a shoulder fixing structure is movably connected to the upper surface of the moving structure; and an arm fixing structure is fixedly connected to the upper surface ofthe bottom plate and located below the moving structure. A head placing table is adopted, and the elastic force of a spring is used for fixing the head; meanwhile, a neck fixing block is used for fixing the neck, so that the head is fixed, and a bronchial cannula is not prone to falling off; meanwhile, the comfort degree of a child is increased; through shoulder fixing and waist fixing, a thoracic cavity is fixed, and an operation is facilitated; and the surgical operation space is enlarged, and damage to the thoracic cavity caused by the operation is reduced due to the fact that a fixing device compresses the thoracic cavity.

The invention discloses a disposable sterile double-lumen bronchial cannula branch connector with a cross valve, and relates to the technical field of bronchial cannulas, the disposable sterile double-lumen bronchial cannula branch connector comprises a sterile double-lumen bronchial cannula, the outer side of the cannula branch connector is fixedly provided with a fixing ring, the fixing ring is internally provided with a linkage screw, one side of the linkage screw is provided with a moving plate, and the moving plate is provided with a cross valve. A connecting fixing rod is fixedly installed at the bottom of the movable plate, a fixing clamping block is fixedly installed on one side of the connecting fixing rod, springs are fixedly installed on the two sides of the movable plate, a breathing machine connecting pipe is movably installed above the cannula branch connector, lock catch wrenches are arranged on the two sides of the breathing machine connecting pipe, and clamping blocks are arranged in the lock catch wrenches. According to the double-lumen bronchial intubation fixing device, the double-lumen bronchial intubation branch joint is reinforced, so that the joint is prevented from falling off during connection to cause life danger of a patient, and the sterile double-lumen bronchial intubation is supported and fixed, so that the sterile double-lumen bronchial intubation is prevented from being separated from the bronchial tube of the patient when the head of the patient is moved.

The invention relates to the technical field of medical materials, and particularly relates to a thin-balloon double-cavity bronchial cannula. The thin-balloon double-cavity bronchial cannula comprises a double-cavity tube. The bottom surface of the double-cavity tube is connected with a main trachea balloon. The bottom surface of the main trachea balloon is connected with a bronchial fixing balloon through a trachea tube, and the bottom surface of the bronchial fixing balloon is connected with a cannula head. A medicine-spraying sputum-sucking opening is formed on the left side face of the cannula head. A first tube shell is arranged on the inner wall of the right side face of the cannula head. A second tube shell is arranged at one end of the bottom face of the cannula head. A temperature measuring probe is installed in the first tube shell, and a visual probe is installed in the second tube shell. Compared with the prior art, the arrangement of the first tube shell and the second tube shell effectively protects the temperature measuring probe and the visual probe from contact with saliva, secreta, etc., while conducting effective temperature measurement and observation. After use, the temperature measuring probe and the visual probe do not require to be detached for sterilization and disinfection, thereby improving the use convenience of the thin-balloon double-cavity bronchial cannula.

The invention discloses an improved visual blocking bronchial cannula which comprises a tracheal cannula body and an external display device connected through a wire. The wire comprises a first connecting wire and a second connecting wire, and the first connecting wire and the second connecting wire are connected through a connecting piece; the connecting piece comprises a second conductor block connected through the first connecting wire and a first conductor block connected through the second connecting wire; the first conductor block is sleeved with a second insulating connector, the end of the second conductor block is provided with a first insulating connector, and the second insulating connector is internally provided with a mounting groove and a slot. A certain acting force can be applied to the first conductor block through a first reset spring, so that the first conductor block and the second conductor block are in close contact all the time, the situation that the first connecting wire and the second connecting wire are in poor contact is avoided, and normal use of external display equipment is ensured.

The invention provides a visual multifunctional double-cavity bronchial cannula. The visual multifunctional double-cavity bronchial cannula comprises a double-cavity tube, a ventilation main tube assembly, a ventilation branch tube assembly, a main trachea cuff assembly, a bronchial cuff assembly, a visual data system assembly, a flushing assembly and a suction cavity assembly. In the intubation process, the double-cavity tube is bent by a human physiological angle through a directional guide wire, an image signal is transmitted to a universal display through a camera at the front end to display a video image in real time, and the double-cavity bronchial cannula is quickly and accurately positioned, so that the operation of intubation to the bronchus is accurately, quickly, safely and effectively completed, the difficulty of the double-cavity bronchial cannula and the complexity of the operation are reduced, the operation is simple, convenient and quick, and the damage to human tissuesis small; and meanwhile, a camera module adopts a split image processor (namely, the image processor is positioned outside the human body during intubation), so that the problems that the image processor is large in heat productivity, the internal tissues of the human body are easily burnt and the like are solved, and the safety is better.