150 results about "Tube intubation" patented technology

A cleaning apparatus including an elongate tubular member utilized by extending into an endotracheal tube. A cleaning assembly provided at a distal end of the elongate tubular member radially expands to engage the interior wall of the endotracheal tube, for cleaning thereof by an outer periphery, achieving an effective cleaning engagement. A fluid impervious bladder portion provides an effective seal preventing fluid seepage during cleaning withdrawal. Further, a ventilator coupling connects to the endotracheal tube, a first inlet port couples to a ventilator assembly to supply air to a patient, and a second inlet port receives the elongate tubular member there through into the endotracheal tube. Also, a bypass coupling assembly connects between the channel of the elongate tubular member and the ventilator assembly directing air into the channel of the elongate tubular member and out the distal end upon occlusion of airflow.

A method and apparatus for providing an endotracheal tube holder which prevents injury to a neo-natal patient, including a flexible arcuate face plate, an tube holding member that is placed in the face plate in front of the patient's mouth, and an attachment mechanism which does not cause elastic compression on the neo-natal patient. A bite block is provided for preventing damage caused by the neo-natal patient biting on the endotracheal tube, the tube holding member is able to adjust to different sizes of endotracheal tubes to thereby hold them firm, an additional tube can be added for simultaneous access to the patient's mouth, cheek pads prevent injury to the patient's cheeks, and integral eye protection is provided on the attachment device.

The present invention relates to the field of medical devices used in the procedures of orotracheal or nasotracheal intubation. Oral or nasal endotracheal intubation procedures are commonly employed to secure a controlled airway and to deliver inhalant oxygen, anesthetic gases, and other therapeutic agents into the trachea and lungs of human and veterinary patients. Such intubation procedures carry a significant risk of dental injury resulting from contact between the laryngoscope blade used for visualization during intubation. The present invention provides an apparatus to reduce dental injury including a modified laryngoscope blade and a disposable insert which is designed to be received and retained in a single step by the modified laryngoscope blade. The disposable insert may be quickly secured by the user, and reduces both direct pressure and shear forces on the maxillary incisor teeth when the laryngoscope blade is placed in a patient's mouth during intubation.

This invention pertains generally to a device for retaining a medically relevant tube into a proper registration for application of medical treatment to a patient, and more particularly to a flexible holder for positioning of an endotracheal tube wherein said holder has integrated therein circumferential guard projections for maintaining optimal flow characteristics of the restrained endotracheal tube. Circumferential guard projections extend both outwardly and inwardly from said endotracheal tube holder and are integral to and monolithically formed with the endotracheal tube holder. The endotracheal tube holder is adaptable to receiving tubes of varying diameters and includes a capture means for allowing insertion and removal of an endotracheal tube through a transverse access port in a side aspect of the holder. The monolithic nature of the endotracheal tube holder design is further enhanced through incorporation of access portals about the holder for allowing routine patient maintenance.

A controllable intubating stylet (CIS) for use by anesthesia and other health care providers is used in conjunction with a video laryngoscope and endotracheal tube in order to achieve intubation of the trachea for general anesthesia as well as other medical conditions. The video laryngoscope is used to visualize the tracheal opening. The CIS is inserted into an endotracheal tube and directed into the trachea. The endotracheal tube then is maneuvered over the stylet and into the trachea, and thereafter, the CIS is removed. The patient can then be oxygenated and ventilated by way of the endotracheal tube. The CIS includes a control mechanism similar to current bronchoscopes which allows for flexion of the tip and overall flexibility of the stylet. In contrast to the bronchoscope, however, the CIS includes no fiberoptics or associated components, such as a light source or eyepiece, making the CIS much less expensive to produce.

The invention relates to a teleoperation bronchoscope robot system, and belongs to the technical field of robots. The teleoperation bronchoscope robot system comprises an electromagnetic navigation layer, a slave operation layer, a master operation layer and a network layer, the electromagnetic navigation layer achieves positioning and navigation of the bronchoscope, a master-slave control mode is adopted, a doctor inputs actions through a force feedback rocker of the master operation layer, the slave operation layer reproduces hand actions of the doctor to complete tracheal intubation operation, the master operation layer and the slave operation layer are connected through the network layer, and the remote operation function of the doctor is achieved. According to the teleoperation bronchoscope robot system, effective integration of multiple functional surgical instruments is achieved, high intelligence and automation of bronchoscope operation are improved, accuracy and stability of an operation are improved, through a master-slave control mode, a doctor and a patient are spatially separated, the infection risk is reduced, a doctor can operate in an environment far away from rays, and ray accumulation damage is avoided.

The invention belongs to the technical field of medical equipment, and discloses a visual 3D endoscope capable of guiding tracheal intubation. The visual 3D endoscope capable of guiding the tracheal intubation is provided with an endoscope body, wherein an exchange tube core guide groove is formed in the back side of the endoscope body, and the exchange tube core guide groove is connected with a base of the 3D endoscope; a sucking and flushing hole is formed in the ventral side of the endoscope body, and the sucking and flushing hole is distributed at the opposite side of the exchange tube core guide groove; two miniature cameras, two light sources and a micro microphone are inlaid on the front end surface of the endoscope body, the two miniature cameras are symmetrically arranged on two sides of the joint of the sucking and flushing hole and the exchange tube core guide groove, the two light sources are symmetrically distributed at the upper parts of the miniature cameras and the lower part of the exchange tube core guide groove, and the miniature microphone is arranged at the joint of the miniature camera on the left side and the sucking and flushing hole. The visual 3D endoscope capable of guiding the tracheal intubation integrates the current mainstream tracheal intubation devices and ideas including the laryngoscope, the visible laryngoscope, the light wand, the bronchofiberscope, the visual tube core, high-frequency ventilation and the like.

The invention relates to an enema device capable of reducing enterobrosis probability, and aims to solve the problems that a conventional enema device is difficult to control, the intestine lubrication is insufficient, the pouring resistance is large and the pouring pressure is difficult to judge and reduce. The enema device capable of reducing enterobrosis probability comprises a hollow intubatewhich is horizontally arranged, wherein an enema head is arranged at the left end of the intubate; a spiral conveyer arranged on the inner side of the intubate is arranged on the intubate; a ball applicator formed by balls which freely rotate is arranged on the enema head; the right end of the spiral conveyer is in shaft sealing connection with the right end of the intubate; a sleeve is arranged on the intubate; the left end and the right end of the sleeve are respectively in sealing connection with the intubate; a first interlayer is formed between the sleeve and the intubate; a sliding sleeve is arranged on the sleeve; the left end and the right end of the sliding sleeve are in axial sliding connection with the sleeve; a second interlayer is formed between the sliding sleeve and the sleeve; a liquid inlet hole is formed in the left end surface of the sliding sleeve; a drainage hole which communicates with the first interlayer and the second interlayer is formed in the sleeve; a liquid injecting pipe arranged on the right side of the sliding sleeve is arranged on the intubate; a liquid inlet pipe arranged on the right side of the sliding sleeve is arranged on the sleeve; and a stream back pipe which communicates with the second interlayer is arranged on the sliding sleeve.

The invention discloses an auxiliary catheter device of a trachea cannula. The auxiliary catheter device of the trachea cannula comprises a hollow catheter core and a handle end. The handle end comprises a housing, circuit components for collecting and outputting data are arranged inside the housing. One end of the hollow catheter core (1) is communicated with the handle end, the opposite end of the hollow catheter core is provided with LED (light emitting diode) lamp beads and a microphone pick-up. The LED lamp beads and the microphone pick-up are connected with the circuit components through data signal lines. The auxiliary catheter device of the trachea cannula amplifies the airflow sound of a patient and displays the position of the catheter device through LED light sources during a trachea cannula intubation operation, provides a guide function as a common catheter core, and is scientific and reasonable in structure, low in cost and applicable to industrialized popularization.

The invention relates to a tissue engineering bone blood vessel radiography method. The method includes the steps of firstly, blending a blood vessel radiography agent; secondly, conducting blood vessel tube intubation; thirdly, conducting blood vessel radiography; fourthly, putting an animal body in a refrigerator at 0-4 DEG C overnight, conducting CT scanning or taking a sample from a tissue engineering bone and putting the sample in formalin to be fixed for MicroCT scanning and analyzing. The method has the advantages that blood vessel casting agent lead oxide and a gelatin solution used inthe human anatomy field are adopted, a solution blended according to the ratio is directly injected into animal blood vessels, operation is simple, the bone formation situation and vascularization situation can be displayed on a CT three-dimensional image at the same time without decalcification, and the research on the relationship between bone formation and vascularization in the bone tissue engineering field is facilitated; a protruding structure is arranged in a blood vessel intubation tube, the disengagement of the intubation tube in the blood vessel radiography process is effectively prevented, and the stable injection of the radiography agent is facilitated.

The invention discloses a visualized sober trachea intubation device through gas navigation. The visualized sober trachea intubation device comprises a gas guiding catheter, a trachea guiding catheter, and a leading catheter, wherein an opening is formed in a position adjacent to a beveled edge end, of the gas guiding catheter; the leading catheter is inserted from one end of the gas guiding catheter and extends out from the opening; a camera and a gas guiding catheter which extend to the ends of the leading catheter in a penetrating manner are arranged in the leading catheter; one end of thegas guiding catheter is connected with a detector, and a collector is arranged at the other end of the gas guiding catheter; and the detector communicates with an air pump. The visualized sober trachea intubation device disclosed by the invention is high in intubation success rate, few in complications, simple and convenient to operate, economical and practical.

The invention belongs to the technical field of medical instruments, and particularly relates to an acting force-displacement-vision hybrid control method for robot tracheal intubation. The acting force-displacement-vision hybrid control method comprises the following steps that firstly, corresponding points in a standard path are obtained through visual image mapping by utilizing the standard path of intubation and an oral cavity mechanical model, theoretical and actual displacement and force information is respectively read according to a robot device, the standard path and the mechanical model, the safety of a region is judged by using a virtual clamp method, and the movement speed of a mechanical arm is regulated and controlled through parallel PID regulation and control according to the safe partition. Force, displacement and visual information in tracheal intubation are used in a combined mode, safe and efficient insertion of a laryngoscope and a catheter is achieved through a virtual clamp, parallel PID control and threshold value control methods, the accuracy of the intubation posture is guaranteed, and a solid foundation is provided for automatic tracheal intubation of a robot.

The invention belongs to the technical field of medical robots, and particularly relates to a tracheal intubation robot for simulating operation of doctors. The tracheal intubation robot includes execution, vision, and control systems. The execution system comprises a robot, a moving chassis of the robot, a connector support, mechanical arms on the two sides, a rotatable joint, a mechanical claw and the like. The visual system comprises a depth camera, a multifunctional laryngoscope and the like. The control system comprises a force sensor, a robot control box, a background computer, a communication system and the like. Automatic and remote control intubation operation based on a robot system is achieved, and vision and force information is used for autonomous intubation control. The robot successfully solves the contradiction between rescue and protection encountered by medical staff during intubation treatment, simulates operation of doctors, has the advantages of being unique in design, simple in structure, convenient and safe to use, long in service life and the like, is suitable for robot tracheal intubation, and can be popularized and applied on a large scale.

The invention provides a nasal-gastric tube. The tube comprises a catheter component and a guide wire component, 6-8 stainless steel balls are arranged at the front end of a catheter of the catheter component, and the outer surface of the catheter is coated with a hydrophilic lubrication coating; the guide wire component comprises a guide wire, a round rubber head is arranged at the head end of the guide wire, and the surface of the guide wire and the inner wall of the catheter are both coated with a hydrophilic lubrication coating or a lyophobic coating. According to the nasal-gastric tube, the surface of the catheter is provided with the hydrophilic lubrication coating, when the tube is used, the hydrophilic lubrication coating can absorb water and expand only by soaking the catheter in sterile water for a while, the catheter feels as smooth as the surface of a loach, and it is facilitated to intubate the tube. In the tube intubation process, the catheter is straightened by the guide wire, and it is convenient for the catheter to enter. It is facilitated for the catheter to pass through the pylorus under the action of gravity of the steel balls at the front end, the catheter can stay in an enteric cavity of a small intestine in an ideal state, the inner wall of the guide wire and the inner wall of the catheter are lubricated, the guide wire can be drawn without hindrance, and after the tube intubation is completed, the guide wire can be drawn out rapidly.

The invention relates to the technical field of stomach treatment auxiliary devices, and in particular to an anti-biting tube intubation fixer. The anti-biting tube intubation fixer comprises a probetube, wherein one end of the probe tube is fixedly provided with a lead-out pipe sleeve; one end of the lead-out pipe sleeve is fixedly provided with a closed cover; the outer side of the probe tube is in sleeve connection with a supporting anti-biting structure for preventing scratching of the probe tube; and one side of the supporting anti-biting structure is fixedly provided with a continuous sterilization structure capable of sterilizing a cavity and a pipe wall. According to the invention, the supporting anti-biting structure is additionally arranged, so that the upper jaw and the lower jaw of a patient can be protected and supported in a labor-saving manner in a fixing process of the anti-biting tube intubation fixer, the patient is prevented from closing the oral cavity, and then scratching, pressing, and blocking of the probe tube are avoided. The continuous sterilization structure is additionally arranged, so that the anti-biting tube intubation fixer can maintain sterilization of the oral cavity and the tube wall in a process of treating a stomach, and bacterial infection caused in a process of opening the oral cavity for a long time is avoided.

The invention belongs to manufacture method and use method of rat tracheal intubation equipment, and particularly relates to a manufacture method and use method of tracheal intubation equipment of a rat acute myocardial infarction model. A needle core and an inner guide wire of the needle core are respectively a guide needle and a loach guide wire (Terumo super-slippery M-shaped loach guide wire in Japan) used for coronary artery intervention; the soft end of the guide wire penetrates through the tail end of the guide needle and is exposed from the head end of the guide needle by 0.4cm; and the redundant guide wire at the tail end of the guide needle is cut off. An outer-layer hose is prepared from an infusion needle of disposable venous infusion apparatus (Shanghai Youyu Medical EquipmentCo., Ltd., 0.5x20 infusion apparatus), wherein the length of the outer-layer hose is shorter than the length of a catheter needle by 0.3 cm, and the root of the hose is cut obliquely by a movable flap which accounting for 1 / 3 of the circumference of the hose. After anaesthesia, a rat is fixed and is subjected to skin preparation, a rat tongue is clamped out with a small tweezer, the tongue tip ispulled by a left hand, and a tracheal intubation pipe is hold by a right hand. A hard catheter needle at the head end of the tracheal intubation needle core is arranged at the root part of the rat tongue, and a trachea opening of the rat is searched by fine adjustment of the self-made tracheal intubation pipe under direct vision. The guide wire at the head end of the tracheal intubation pipe is sent in instantly when the trachea opening is opened, then the guide wire at the head end is inserted into the trachea opening by about 1cm through rotation, and the catheter needle is pulled out, wherein if the rat can breathe uniformly and smoothly, intubation is successful.

The invention discloses a supraglottic device capable of positive pressure ventilation and non-invasive tube intubation, wherein the supraglottic device comprises a ventilation pipeline, a drainage pipeline system, a pressure regulating plate and an air bag. The pressure regulating plate can make the device inserted in an appropriate position to adapt to personal difference, and adjusts the heightof a distal opening of the ventilation pipeline elevated by air inflation of the air bag so as to make the air flow of the ventilation pipeline directly align to a glottis. Meanwhile, a central sulcus in a downstream section of a suppression plate coincides with a central sulcus in the bottom wall of a distal section of the ventilation pipeline so as to guide a bougic to enter the glottis. The left part and the right part of the air bag after inflation form a closed state with surrounding tissues and elevate a tongue root together with the top wall of the distal section of the ventilation pipeline; at the same time, the middle part of the air bag after inflation elevates the opening of the distal end of the ventilation pipeline. A pressure regulating plate included angle adapts to the distance between the glottic opening and the pharynx and larynx wall of different individuals. The drainage pipeline system also comprises an esophageal drainage pipe which can drain the upper part of the esophagus and a pharyngeal drainage pipe that can drain the pharynx. An expansion part of the esophageal drainage pipe can form a closed state with the upper esophageal opening.

The invention provides a double-sleeve tracheal intubation device for a rat. The double-sleeve tracheal intubation device comprises an outer-layer sleeve, an inner-layer sleeve and a guide steel wire. The outer-layer sleeve is used as an oral cavity opening pipe, is nested on the outer layer of the inner-layer sleeve, and comprises an opening end extending into an oral cavity and a holding end arranged on the outer side; the front end of the opening end is an inclined face, the included angle between the tail end of the opening end and the holding end is 100-120 degrees, and the thickness of the connecting position is 2-2.5 mm. The inner sleeve serves as a breathing tube, the front end of the inner sleeve has a certain angle and a passivated corner, and the tail end of the inner sleeve is provided with a breathing machine connecting mechanism; the guide steel wire is longer than the inner sleeve. The tracheal intubation assembly can effectively achieve rapid intubation, does not need a tracheotomy operation, and avoids complex surgical operation and extra damage to a rat. The use result shows that the method is small in damage to rats, stable, reliable and high in success rate, additional damage caused by exposure of multiple wounds in thoracotomy is avoided, secondary or multiple thoracotomy is facilitated, and the survival rate of animals is increased.

The invention discloses visible and surgery anaesthesia intubation forceps with a conveniently detached and replaced camera. A pair of forceps comprises a semi-circular fixed block. The semi-circular fixed block is connected with a semi-circular movable block through a reset spring. The left end of the semi-circular fixed block is fixedly connected with the lower part of the inner wall of a sleeve tube. The upper end of the side surface of the sleeve tube is fixed with a button. The upper part of the inner wall of the sleeve tube and the upper surface of the left end of the semi-circular movable block are slidably connected. The lower surface of the semi-circular movable block is slidably connected with the upper surface of the semi-circular fixed block. The upper part of the side surface of the sleeve tube is provided with a limiting groove. The visible and surgery anaesthesia intubation forceps with the conveniently detached and replaced camera have the following beneficial effects: when a trachea cannula is inserted into a patient, working difficulty of medical staff is reduced and the pain of a patient is reduced; a single-chip microcomputer is used for receiving and processing an image of an inserting end of the trachea cannula through the camera and transmitting the image to a display such that the trachea cannula is accurately inserted; an installing groove of a clamping board is snapped onto a clamping block of the camera so that the camera is conveniently cleaned and disinfected.

An intubation device for use in an endotracheal intubation procedure, the intubation device including: a laryngoscope blade having a tip and a base; a handle attached to the base of the blade for allowing the intubation device to be held in a hand of a user; a channel for receiving an endotracheal tube, the channel including a blade channel portion extending along the blade substantially from the tip to the base and including an outlet proximate to the tip for allowing a distal end of the endotracheal tube to be advanced from the outlet and a handle channel portion extending partially along the handle from the blade channel portion; and a tube movement mechanism in the handle for moving the endotracheal tube through the channel to thereby advance the endotracheal tube, the tube movement mechanism including a thumb interface for allowing the user to operate the tube movement mechanism using a thumb of the hand that is holding the intubation device, to thereby allow the user to hold the intubation device and advance the endotracheal tube in an endotracheal intubation procedure using a single hand.

The invention discloses a source end-tidal carbon dioxide monitoring tracheal intubation navigation device including several carbon dioxide sensors, wherein one end of the carbon dioxide sensor is connected with one end of each carbon dioxide guide pipe, the other end of each carbon dioxide sensor is connected with a trachea line concentration connector through an air guide pipe, the trachea lineconcentration connector is connected with an air pump, and the other end of the carbon dioxide guide pipe is gathered and inserted into a guide pipe of the trachea cannula. The guide pipe can be usedfor tracheal intubation so that the guide pipe has a carbon dioxide monitoring function, and the proper position of the tracheal intubation can be conveniently determined.

A stylet is disclosed for insertion into an endotracheal tube for guiding the tube during intubation. The stylet has a body (3) with a pivotable tip portion (5) at its distal end which is movable in either of two opposing directions away from the axis of the stylet. The tip portion (5) may carry an image acquisition device for video imaging. A control mechanism for controlling the pivot angle of the pivotable tip has a hand-operated actuator (7) at the proximal end of the stylet and flexible control wires (23) extending down the stylet to connect the actuator to the pivotable tip portion (5). Also disclosed is an endotracheal tube (100) usable with the stylet and having a bending portion (103), defined by a concertina or thinned portion, at its distal end to facilitate bending of its tip portion (104) by the stylet tip portion (5).

The invention discloses a bronchoscope guide tracheal intubation droplet pollution prevention device. The device comprises an annular air cushion, and one end of the air cushion fixedly communicates with an air nozzle so as to inflate or deflate the air cushion; the top of the air cushion is integrally fixed to form a plastic cover, and the plastic cover is used for containing the head of a subject; the front surface of the plastic cover fixedly communicates with a bronchoscope inlet rubber valve, so that the bronchoscope can penetrate through the plastic cover to be inserted into the oral cavity of the subject in the plastic cover; an exhaled air exhaust valve is formed on the side face of the plastic cover, and used for filtering air exhaled by the subject before the air is exhausted tothe outside; and a non-invasive breathing machine breather pipe is formed at the top end of the plastic cover so as to be connected with the breathing machine to provide oxygen for the subject.

The invention relates to an infection source isolation device. The infection source isolation device comprises a frame formed by a support frame and a transparent protective film wrapping the frame, wherein the transparent protective film is provided with a plurality of openings which are respectively used as: 1) an oxygen tube inlet, 2) an tracheal intubation operation port and an endoscope auxiliary operation port, and / or 3) other instrument inlets; and the interior of the frame is provided with enough space which is used for accommodating the body part of a patient and is suitable for endoscopic operation. The device can effectively prevent medical personnel from being infected due to splashing of spray or respiratory tract and the digestive tract contents of the patient in an endoscopic operation process.

The sputum suction device for the pneumology department comprises a sputum suction device body and an intubation tube, a vacuum machine, an oxygen generator and an atomization machine are arranged at the upper end of the sputum suction device body, a placement table is arranged at the bottom of the front end face of the vacuum machine, and a medicine storage tank and a sputum storage tank are arranged on the placement table; the top of the sputum storage tank is in through connection with the center of the vacuum machine and the center of the intubation tube through rubber tubes, the medicine storage tank is in through connection with the atomizer through a rubber tube, the oxygen generator and the atomizer are in through connection with the side wall of the intubation tube through rubber tubes, a grip is arranged at the outer end of the intubation tube, and sputum suction holes are formed in the side end face of the intubation tube. A first air outlet is formed in the front end face of the cannula, the cannula is of a double-layer structure, a sputum suction pipe is arranged in the center of the cannula, an oxygen supply pipe is arranged on the outer layer of the cannula, a sputum suction hole is in through connection with the sputum suction pipe, the first air outlet is in through connection with the oxygen supply pipe, and a protective ball is arranged at the front end of the cannula. According to the invention, the convenience and stability of equipment operation are improved.

The invention discloses an oral cavity cleaning device for a tracheal intubation patient, and relates to the technical field of medical equipment; an upper tooth socket and a lower tooth socket are connected through a locking mechanism; trachea positioning grooves are formed in the upper tooth socket and the lower tooth socket; the positions of the two trachea positioning grooves correspond to each other; tooth placing grooves are formed in the upper tooth socket and the lower tooth socket; and two cleaning grooves are formed in each of the upper tooth socket and the lower tooth socket. According to the oral cavity cleaning device for the tracheal intubation patient, operation of medical staff is facilitated, the trachea in the oral cavity of the patient is positioned through the trachea positioning grooves in the upper tooth socket and the lower tooth socket, and it is avoided that the trachea slips off in the body of the patient due to displacement of the trachea during cleaning; cleaning liquid medicine is injected into the oral cavity of the patient through a liquid supply mechanism; the gum of the patient is cleaned through a gum cleaning mechanism; and medical staff extract the cleaned liquid medicine through a liquid extraction mechanism, so that the medical staff can clean the oral cavity and the gum of the patient conveniently.

The invention discloses a urinary catheterization device which comprises a ureter body. A positioning bag is arranged on the periphery of the upper end of the ureter body, and a branch way communicated with the inner cavity of the positioning bag is further arranged on the ureter body. The ureter body is further provided with a main urine tube, wherein the main urine tube comprises a urine inlet and a urine outlet, a switch valve is further arranged between the urine inlet and the urine outlet and used for turning on or off the urine inlet and the urine outlet, and the switch valve is close to the urine outlet. Compared with uncontrollable urination the prior art, the switch valve is arranged in the main urine tube of the urinary catheterization device, a patient can control drainage of the urine in the urinary bladder or not to achieve urine drainage controllability by operating the switch valve. In addition, compared with urine bag carrying in the prior art, the urinary catheterization device is simple in structure and convenient to carry, the problem that a patient suffering from prostate are inconvenient to move due to urine bag carrying after tube intubation is solved, and urinary tract infection situations are decreased.

The invention relates to the technical field of tracheal intubation equipment and relates to an off-line system under an oxygen therapy mode of a patient suffering from tracheal intubation. The systemcomprises an intubation cannula, a threaded pipe, a Y-shaped joint, an air return pipeline, an air supply pipeline and a breathing machine. One end of the intubation cannula is communicated with thethreaded pipe through an L-shaped joint, one end of the threaded pipe is communicated with one end of the Y-shaped joint, two openings in the end, away from the threaded pipe, of the Y-shaped joint are connected to the air return pipeline and the air supply pipeline respectively, water accumulation devices are arranged in the middle of the air return pipeline and the middle of the air supply pipeline respectively, one end of the air return pipeline is connected to an air return end of a respirator, and one end of the air supply pipeline is connected to an air supply end of the respirator. By means of the design, off-line operation can be completed under the condition that a breathing circuit is not disconnected, a patient continuously inhales heated and humidified gas in the off-line process so that stimulation of the gas to the patient is avoided, and a disposable oxygen inhalation device does not need to be additionally used so that operation time is saved and hospitalization expenses are saved.

The invention discloses a multi-mode AI tracheal intubation navigation device for a difficult airway. The multi-mode AI trachea cannula navigation device comprises a rectangular frame body, a display screen is arranged at the middle position of one side of the rectangular frame body, a connecting line is arranged at one end of the front face of the display screen, a camera is arranged at one end of the connecting line, mounting blocks are arranged on the two sides of the top of the rectangular frame body, bidirectional threaded rods are arranged at the ends, close to each other, of the two mounting blocks, connecting rods are symmetrically arranged at the two ends of the outer sides of the two groups of bidirectional threaded rods, and supporting plates are arranged at the bottoms of the two groups of connecting rods. Through cooperation of the supporting plates, the connecting rods, the bidirectional threaded rods and the mounting blocks, the device can be well fixed to the mouth of a patient, meanwhile, the mouth of the patient can be effectively supported, fatigue of the mouth of the patient can be relieved in the intubation process of the patient, the patient can feel more comfortable, the cramp phenomenon of the patient is prevented, and the pipe biting condition is avoided.