阅读说明：本技术 一种气管插管套囊压力控制装置及其实施方法 (Tracheal intubation cuff pressure control device and implementation method thereof ) 是由 杨海涛 刘明 王淳 王冠 王洋 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种气管插管套囊压力控制装置及其实施方法,涉及气管插管套囊技术领域,包括插管内管体、插管外管体、内固定套囊、外固定圈和注气段组件,所述插管内管体的外部设置有插管外管体,且插管外管体和插管内管体之间存在间隙,该间隙中连通有注气段组件,所述注气段组件上安装有压力限制阀,所述插管外管体的尾端向外凸起形成内固定套囊,所述内固定套囊中安装有压力传感器,插管外管体和插管内管体的前端连接有外固定圈。本发明气管插管套囊压力控制装置及其实施方法,精准化压力控制,减少过高的气管插管套囊压力带来的风险,适用不同患者,防气道黏膜坏死,患者适应程度高,无应激反应。(The invention discloses a tracheal intubation cuff pressure control device and an implementation method thereof, and relates to the technical field of tracheal intubation cuffs, the tracheal intubation cuff pressure control device comprises an inner intubation tube body, an outer intubation tube body, an inner fixed cuff, an outer fixed ring and an air injection section assembly, wherein the outer intubation tube body is arranged outside the inner intubation tube body, a gap is formed between the outer intubation tube body and the inner intubation tube body, the air injection section assembly is communicated with the gap, a pressure limiting valve is installed on the air injection section assembly, the tail end of the outer intubation tube body protrudes outwards to form the inner fixed cuff, a pressure sensor is installed in the inner fixed cuff, and the outer intubation tube body and the front end of the inner intubation tube body are connected with the outer fixed ring. The tracheal cannula cuff pressure control device and the implementation method thereof have the advantages that the pressure control is accurate, the risk caused by overhigh tracheal cannula cuff pressure is reduced, the tracheal cannula cuff pressure control device is suitable for different patients, airway mucosa necrosis is prevented, the adaptation degree of the patients is high, and no stress reaction exists.)

1. The utility model provides a trachea cannula cover bag pressure control device, its characterized in that, includes body (1) in the intubate, outer body (2) in the intubate, internal fixation cover bag (3), outer retainer plate (4) and gas injection section subassembly (5), the outside of body (1) in the intubate is provided with outer body (2) in the intubate, and has the clearance in the body (1) in the intubate outside the intubate, the intercommunication has gas injection section subassembly (5) in this clearance, install pressure limiting valve (6) on the gas injection section subassembly (5), the tail end of outer body (2) in the intubate is outside protruding to form internal fixation cover bag (3), install pressure sensor (7) in internal fixation cover bag (3), the front end of outer body (2) in the intubate and body (1) is connected with outer retainer plate (4).

2. The endotracheal tube cuff pressure control device according to claim 1, characterized in that said gas injection section assembly (5) comprises a gas injection tube (51), a buffer balloon (52) and a valve interface (53), one end of said gas injection tube (51) is connected to the outer tube body (2), the other end is connected to the buffer balloon (52), and the upper end of said buffer balloon (52) is connected to the pressure limiting valve (6) through the valve interface (53).

3. The endotracheal intubation cuff pressure control device according to claim 2, characterized in that the valve interface (53) is formed by two tubes that are sleeved with each other, wherein the tube at the inner side is lower than the tube at the outer side, the outer wall of the tube at the outer side is provided with threads, the valve interface (53) and the pressure limiting valve (6) are connected by threads, the gap between the pressure limiting valve (6) and the valve interface (53) is blocked by a rubber plug, and the probe of the pressure limiting valve (6) extends inward to the middle of the buffer bag (52).

4. The endotracheal tube cuff pressure control device according to claim 1, characterized in that the upper end of the pressure limiting valve (6) is connected with an air pump (8) through a pipe, and the pressure limiting valve (6), the air pump (8) and the pressure sensor (7) are all connected with a controller (11) through wireless signals.

5. The endotracheal tube cuff pressure control device according to claim 1, characterized in that the gas injection section module (5) is connected with a pressure-relieving balloon (9), the pressure-relieving balloon (9) comprises a micro balloon (91), a hanger (92) and a trachea (93), the upper end of the micro balloon (91) is connected with the hanger (92), and the lower end of the micro balloon (91) is connected with the trachea (93).

6. The endotracheal tube cuff pressure control device according to claim 1, characterized in that the pressure relief air cell (9) is connected with an extrusion mechanism (10), the extrusion mechanism (10) comprises a bottom plate (101), side plates (102), a slide rail (103), a motor (104), a slider (105), a screw (106), an L-shaped strut (107) and an extrusion ball (108), the side plates (102) are fixedly connected to both ends of the bottom plate (101), the screw (106) is connected between the two side plates (102) through a bearing, the motor (104) is connected to the end of the screw (106), the slider (105) is connected to the screw (106) through a thread, the extrusion ball (108) is fixedly connected to the slider (105) through the L-shaped strut (107), the slide rail (103) is fixedly connected to the bottom plate (101) through a bolt, and the slider (105) moves along the slide rail (103).

7. The endotracheal tube cuff pressure control device according to claim 6, characterized in that the left section of the screw (106) is provided with a left-handed thread, the left-handed thread is screwed with a slider (105), the right section of the screw (106) is provided with a right-handed thread, the right-handed thread is screwed with another slider (105), and the micro balloon (91) is located between the two sliders (105).

8. A method of implementing an endotracheal tube cuff pressure control device according to any one of claims 1 to 7, characterized in that it comprises the following steps:

s101: inserting the tracheal cannula into the airway part of a patient, and inflating the tracheal cannula into the internal fixed cuff (3) through the gas injection section assembly (5);

s102: during inflation, the pressure sensor (7) detects the pressure in the internal fixed cuff (3) at a frequency of 5S/time and transmits pressure data to the controller (11);

s103: when the controller 11 receives that the pressure in the internal fixed cuff (3) reaches a set value, the air pump (8) is controlled to stop running, and the pressure limiting valve (6) is closed;

s104: the inner fixing cuff (3) is bulged, and the bulged part presses the inner wall of the airway, thereby fixing the endotracheal tube.

Technical Field

The invention relates to the technical field of trachea cannula cuffs, in particular to a trachea cannula cuff pressure control device and an implementation method thereof.

Background

The technology of placing a special endotracheal tube into the trachea through the glottis is called trachea intubation, and the technology can provide optimal conditions for smooth air passage, ventilation and oxygen supply, respiratory tract suction, prevention of aspiration and the like. The emergency trachea cannula technology becomes an important measure in the process of cardio-pulmonary resuscitation and emergency treatment of critically ill patients accompanied with respiratory dysfunction. The trachea intubation is an important rescue technique commonly used in emergency treatment work and is one of the most widely, most effective and most rapid means in respiratory tract management. In clinical work, when a patient is inserted into a tracheal cannula, sputum and spray in the lung of the patient are often ejected due to severe cough of the patient, so that indoor air is polluted, the probability of infection of medical staff is greatly increased, and particularly, diseases with strong infectivity are dangerous, so that the tracheal cannula needs to be arranged.

The tracheal cuff is inflated after the tracheal intubation so as to prevent the mechanical ventilation and air leakage and the reflux aspiration in the operation. However, the cuff pressure control precision of the prior tracheal cannula is low. The tracheal cannula has the disadvantages that the pressure in the cuff is easily overhigh, the blood supply pressure of the airway mucous membrane is 30-40 mm Hg, and the airway mucous membrane is ischemic when the pressure of the cuff is overhigh, so that the ischemia time is overlong, and the mucous membrane is necrotic, thereby bringing serious consequences.

Disclosure of Invention

The invention aims to provide a tracheal intubation cuff pressure control device and an implementation method thereof, which can accurately control the pressure, reduce the risk caused by overhigh tracheal intubation cuff pressure, are suitable for different patients, prevent airway mucosa necrosis, have high adaptation degree of the patients and have no stress response, and solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a trachea cannula cuff pressure control device, includes body, outer body of intubate, internal fixation cuff, outer retainer plate and gas injection section subassembly in the intubate, the outside of body is provided with outer body of intubate in the intubate, and has the clearance in the outer body of intubate and the intubate, and the intercommunication has gas injection section subassembly in this clearance, install pressure limiting valve on the gas injection section subassembly, the tail end of outer body of intubate outwards bulges and forms internal fixation cuff, install pressure sensor in the internal fixation cuff, the front end of body is connected with outer retainer plate in outer body of intubate and the intubate.

Further, the gas injection section subassembly includes gas injection pipe, buffering bag and valve interface, the one end of gas injection pipe is connected with the outer body of intubate, and the other end is connected with the buffering bag, the upper end of buffering bag is connected with the pressure limiting valve through the valve interface.

Further, the valve interface comprises two pipe bodies that cup joint each other, wherein, is located the body height that inboard is less than the body in the outside, sets up screw thread on the body outer wall in the outside, through threaded connection between valve interface and the pressure limiting valve, and the clearance between pressure limiting valve and the valve interface passes through the rubber buffer and blocks up, and the probe of pressure limiting valve inwards extends to the buffer bag middle part.

Furthermore, the upper end of the pressure limiting valve is connected with an air pump through a pipeline, and the pressure limiting valve, the air pump and the pressure sensor are connected with a controller through wireless signals.

Further, the gas injection section subassembly is connected with the slow-pressure gasbag, and the slow-pressure gasbag includes miniature gasbag, hangers and trachea, the upper end of miniature gasbag is connected with the hangers, the lower extreme of miniature gasbag is connected with the trachea.

Further, the slow pressure gasbag is connected with extrusion mechanism, and extrusion mechanism includes bottom plate, curb plate, slide rail, motor, slider, screw rod, L type branch and extrusion ball, the equal fixedly connected with curb plate in both ends of bottom plate is connected with the screw rod through the bearing between two blocks of curb plates, and the end connection of screw rod has the motor, and the screw rod has the slider through threaded connection, and the slider passes through L type branch fixedly connected with extrusion ball, through bolt fixedly connected with slide rail on the bottom plate, the slider removes along the slide rail.

Furthermore, a left-hand thread is arranged on the left section of the screw rod, the left-hand thread is screwed with a sliding block, a right-hand thread is arranged on the right section of the screw rod, the right-hand thread is screwed with another sliding block, and the micro air bag is positioned between the two sliding blocks.

According to another aspect of the present invention, there is provided a method of implementing an endotracheal tube cuff pressure control device, comprising the steps of:

s101: inserting the tracheal cannula into the airway part of a patient, and inflating the tracheal cannula into the internal fixed cuff through the gas injection section assembly;

s102: in the inflation process, the pressure sensor detects the pressure in the inner fixed sleeve bag at the frequency of 5S/time, and transmits pressure data to the controller;

s103: when the controller receives that the pressure in the inner fixed cuff reaches a set value, the controller controls the air pump to stop running and the pressure limiting valve to close;

s104: the inner fixing cuff is bulged, and the bulged part presses the inner wall of the airway, thereby fixing the endotracheal tube.

Compared with the prior art, the invention has the beneficial effects that: the invention provides a tracheal intubation cuff pressure control device and an implementation method thereof.A pressure limiting device is additionally arranged at an air inlet port of an air injection section assembly to control pressure, so that the pressure in an internal fixed cuff is controlled within 40 mm Hg, the risk caused by overhigh tracheal intubation cuff pressure is reduced, the use safety is improved, meanwhile, the pressure control is accurate, the tracheal intubation cuff pressure control device can be suitable for different patients, the purposes of preventing the tracheal intubation from falling off and preventing backflow and aspiration caused by air leakage are achieved, and meanwhile, airway mucosa necrosis is prevented, the adaptation degree of the patients is high, and no stress reaction exists.

Drawings

FIG. 1 is an overall configuration diagram of an endotracheal tube cuff pressure control device according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of the assembly of the gas injection section of the endotracheal tube cuff pressure control device according to the first embodiment of the present invention;

FIG. 3 is an overall structure diagram of the endotracheal tube cuff pressure control device in accordance with one embodiment of the present invention;

FIG. 4 is a flow chart of an implementation method of the endotracheal tube cuff pressure control device according to one embodiment of the present invention;

FIG. 5 is a schematic diagram of a pressure-relieving balloon of the endotracheal intubation cuff pressure control device according to the second embodiment of the present invention;

FIG. 6 is a schematic diagram of a pressure-relieving balloon of the endotracheal intubation cuff pressure control device according to the third embodiment of the present invention;

FIG. 7 is a structural view of the pressing mechanism of the endotracheal tube cuff pressure control device in the third embodiment of the present invention.

In the figure: 1. a cannula inner body; 2. an outer cannula body; 3. an internal fixed cuff; 4. an outer retainer ring; 5. a gas injection section assembly; 51. a gas injection pipe; 52. a buffer bag; 53. a valve interface; 6. a pressure limiting valve; 7. a pressure sensor; 8. an air pump; 9. a pressure-relieving air bag; 91. a micro air bag; 92. hanging a lug; 93. an air tube; 10. an extrusion mechanism; 101. a base plate; 102. a side plate; 103. a slide rail; 104. a motor; 105. a slider; 106. a screw; 107. an L-shaped strut; 108. extruding the ball; 11. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1, a trachea cannula cuff pressure control device, including the interior body 1 of intubate, the outer body 2 of intubate, internal fixation cuff 3, outer retainer plate 4 and gas injection section subassembly 5, the outside of body 1 is provided with outer body 2 of intubate in the intubate, and there is the clearance in the outer body 2 of intubate and the intubate between the body 1, the intercommunication has gas injection section subassembly 5 in this clearance, install pressure limiting valve 6 on the gas injection section subassembly 5, the tail end of outer body 2 of intubate is outside the arch forms internal fixation cuff 3, install pressure sensor 7 in the internal fixation cuff 3, pressure sensor 7 is used for detecting the pressure numerical value in the cuff, the front end of body 1 is connected with outer retainer plate 4 in outer body 2 of intubate and the intubate.

The gas injection section assembly 5 comprises a gas injection pipe 51, a buffer bag 52 and a valve interface 53, one end of the gas injection pipe 51 is connected with the outer tube body 2 of the intubation tube, the other end of the gas injection pipe is connected with the buffer bag 52, and the upper end of the buffer bag 52 is connected with a pressure limiting valve 6 through the valve interface 53; install the valve on the gas injection pipe 51, cushion 52 is the elastic utricule of having that PV or PE material made, installs pressure limiting device additional at the inlet port of gas injection section subassembly 5, and control pressure makes the pressure control in the internal fixation cuff 3 within 40 millimeters mercury column to reduce the risk that too high trachea cannula cuff pressure brought, improve the safety in utilization.

Referring to fig. 2, the valve port 53 is formed by two pipe bodies sleeved with each other, wherein the pipe body positioned on the inner side is lower than the pipe body positioned on the outer side, the outer wall of the pipe body positioned on the outer side is provided with threads, the valve port 53 and the pressure limiting valve 6 are connected through threads, a gap between the pressure limiting valve 6 and the valve port 53 is blocked by a rubber plug, and a probe of the pressure limiting valve 6 extends inwards to the middle part of the buffer bag 52.

Referring to fig. 3, the upper end of the pressure limiting valve 6 is connected with an air pump 8 through a pipeline, the pressure limiting valve 6, the air pump 8 and the pressure sensor 7 are all connected with a controller 11 through wireless signals, the pressure sensor 7 detects the pressure in the internal fixed cuff 3 at a frequency of 5S/time and transmits pressure data to the controller 11, the controller 11 controls the pressure limiting valve 6 to open, the air pump 8 inflates the internal fixed cuff 3, when the controller 11 receives relevant data that the pressure in the internal fixed cuff 3 reaches a set value, a control command is generated and sent to the air pump 8 and the pressure limiting valve 6 to regulate and control the pressure in the internal fixed cuff 3, the pressure control is precise, the device can be applied to different patients, the purposes of preventing backflow and aspiration caused by trachea intubation and air leakage prevention and preventing airway mucosa necrosis are achieved, and the adaptation degree of the patients is high, no stress reaction.

Referring to fig. 4, in order to better show the implementation process of the endotracheal tube cuff pressure control device, the present embodiment now proposes an implementation method of the endotracheal tube cuff pressure control device, which includes the following steps:

s101: inserting the tracheal cannula into the airway part of a patient, and inflating the tracheal cannula into the internal fixed cuff 3 through the gas injection section assembly 5; the tracheal intubation cuff pressure control device is comprehensively cleaned, disinfected and sterilized before use, an intubation inner tube body 1, an intubation outer tube body 2 and an inner fixing cuff 3 of the tracheal intubation cuff pressure control device are inserted into an airway of a patient before an operation, the tail ends of the intubation inner tube body 1 and the intubation outer tube body 2 are fixed in the airway by the inner fixing cuff 3 and are used for assisting the respiration of the patient in the operation, and the front ends of the intubation inner tube body 1 and the intubation outer tube body 2 are fixed by an outer fixing ring 4, so that the steady solids of the intubation inner tube body 1 and the intubation outer tube body 2 are on a human body and fluctuate along with the fluctuation of the respiration of the human body, and the attachment degree between the intubation inner tube body and the human body is high; then, after the inner cannula tube body 1 and the outer cannula tube body 2 are fixed, gas is introduced into the inner fixed cuff 3 in the gas injection section assembly 5, flows through the pressure limiting valve 6, the buffer bag 52, the gas injection tube 51 and the gap between the inner cannula tube body 1 and the outer cannula tube body 2 in sequence, and finally flows into the inner fixed cuff 3, the inner fixed cuff 3 is bulged, and the bulged inner fixed cuff 3 extrudes the side wall of the airway, so that the purpose of fixing the inner cannula tube body 1 and the outer cannula tube body 2 is achieved;

s102: during inflation, the pressure sensor 7 detects the pressure in the internal fixed cuff 3 at a frequency of 5S/time and transmits pressure data to the controller 11;

s103: when the controller 11 receives that the pressure in the internal fixed cuff 3 reaches a set value, the air pump 8 is controlled to stop running, and the pressure limiting valve 6 is closed;

s104: the inner fixing cuff 3 is bulged and the bulged portion presses the inner wall of the airway, thereby fixing the endotracheal tube.

Example two

The difference between this embodiment and the first embodiment is only that the pressure-relieving air bag 9 is disposed in this embodiment, the pressure-relieving air bag 9 can be used for relieving sudden airflow impact on the buffer bag 52, and can achieve slight pressure rise and fall in the internal fixed cuff 3 through repeated operations of manual squeezing and loosening of the pressure-relieving air bag 9, so that the airway mucosa can be intermittently circulated to prevent necrosis.

Referring to fig. 5, gas injection section subassembly 5 is connected with pressure-relieving gasbag 9, pressure-relieving gasbag 9 includes miniature gasbag 91, hangers 92 and trachea 93, the upper end of miniature gasbag 91 is connected with hangers 92, the lower extreme of miniature gasbag 91 is connected with trachea 93, trachea 93 one end intercommunication has miniature gasbag 91's cavity, the other end intercommunication has gas injection pipe 51, and be connected with the valve on the trachea 93, pressure-relieving gasbag 9 in this embodiment is used for alleviating the problem of the not enough atmospheric pressure stability that leads to of 3 relaxation forces of internal fixation cuff, the slow problem of pressure boost, patient's adaptation is effectual, no stress reaction.

EXAMPLE III

The difference between this embodiment and the first embodiment is only that the extrusion mechanism 10 is arranged in this embodiment, automatic pressure relief can be realized through the extrusion mechanism 10, the operation device of the gas injection section assembly 5 is not changed, the gas injection section assembly 5 is not used for inflation and deflation, the inflation and deflation operation of the high frequency in the internal fixation cuff 3 can be realized through the extrusion mechanism 10, energy is saved, the complexity of the stage inflation and deflation operation is reduced, the operation flow of the medical staff is simplified, and the labor amount for monitoring the respiratory state of the patient and starting the gas injection section assembly 5 in time is reduced.

Referring to fig. 6 to 7, the slow pressure air bag 9 is connected with an extrusion mechanism 10, the extrusion mechanism 10 includes a bottom plate 101, side plates 102, a slide rail 103, a motor 104, a slider 105, a screw 106, an L-shaped support rod 107 and an extrusion ball 108, the two ends of the bottom plate 101 are both fixedly connected with the side plates 102, the two side plates 102 are connected with the screw 106 through a bearing, the end of the screw 106 is connected with the motor 104, the screw 106 is connected with the slider 105 through a thread, the slider 105 is fixedly connected with the extrusion ball 108 through the L-shaped support rod 107, the bottom plate 101 is fixedly connected with the slide rail 103 through a bolt, and the slider 105 moves along the slide rail 103, and the movement is linear movement.

The left section of the screw 106 is provided with left-hand threads, the left-hand threads are connected with a slide block 105 in a rotating mode, the right section of the screw 106 is provided with right-hand threads, the right-hand threads are connected with another slide block 105 in a rotating mode, and the micro air bag 91 is located between the two slide blocks 105. The two sliding blocks 105 are both connected with the extrusion balls 108, the two extrusion balls 108 synchronously extrude the two sides of the micro air bag 91, the middle part of the screw 106 is rotatably connected with the hanging lug 92 through a bearing, the lower end of the hanging lug 92 is fixedly connected with the bottom plate 101 for fixing the micro air bag 91 to realize the synchronous extrusion of the extrusion balls 108 on the two sides, the motor 104 rotates clockwise to drive the screw 106 to rotate clockwise, further drive the two sliding blocks 105 on the screw 106 to move towards the middle part of the screw 106 synchronously to extrude the micro air bag 91, the pressure in the internal fixed cuff 3 is slightly improved after extrusion, the motor 104 rotates anticlockwise to drive the screw 106 to rotate anticlockwise, further drive the two sliding blocks 105 on the screw 106 to move towards the end part of the screw 106 synchronously, the micro air bag 91 is loosened, the pressure in the internal fixed cuff 3 is slightly reduced after the loosening, the operation is repeated, the air passage mucous membrane can be discontinuously circulated, the necrosis is prevented, and simultaneously, reach the backflow mistake of trachea cannula anticreep, leak protection gas leads to and inhale, prevent airway mucous membrane necrosis simultaneously, patient's adaptation degree is high, no stress, and body 1, outer body 2 of intubate and internal fixation cuff 3 in the intubate of this embodiment all adopt medical grade PE material to make, and wherein internal fixation cuff 3 has elasticity.

The working principle is as follows: the invention provides a tracheal intubation cuff pressure control device and an implementation method thereof, wherein the tracheal intubation cuff pressure control device is comprehensively cleaned, disinfected and sterilized before use, an inner intubation tube body 1, an outer intubation tube body 2 and an inner fixed cuff 3 of the tracheal intubation cuff pressure control device are inserted into an airway part of a patient before an operation, the tail ends of the inner intubation tube body 1 and the outer intubation tube body 2 are fixed in the airway by the inner fixed cuff 3 for assisting the respiration of the patient in the operation, the front ends of the inner intubation tube body 1 and the outer intubation tube body 2 are fixed by an outer fixing ring 4, so that the stable solids of the inner intubation tube body 1 and the outer intubation tube body 2 are on the human body, the fit degree between the fixed solid and the human body is high along with the fluctuation of the respiration of the human body, and after the inner intubation tube body 1 and the outer intubation tube body 2 are fixed, gas is introduced into the inner fixed cuff 3 in a gas injection section assembly 5, this gas flows through the clearance between body 1 in pressure limiting valve 6, buffer bag 52, gas injection pipe 51 and the intubate in proper order and the outer body 2 of intubate, flows into interior fixed cuff 3 at last, and interior fixed cuff 3 is bloated, and interior fixed cuff 3 after the bloating extrudees the airway lateral wall to realize the purpose of body 1 in the fixed intubate and the outer body 2 of intubate.

Then, the pressure sensor 7 detects the pressure in the internal fixed cuff 3 at a frequency of 5S/time and transmits pressure data to the controller 11, the controller 11 controls the pressure limiting valve 6 to open, the air pump 8 operates to inflate the internal fixed cuff 3, and when the controller 11 receives data that the pressure in the internal fixed cuff 3 has reached a set value, a control command is generated and sent to the air pump 8 and the pressure limiting valve 6 to regulate the pressure in the internal fixed cuff 3.

In summary, the following steps: the invention provides a tracheal intubation cuff pressure control device and an implementation method thereof.A pressure limiting device is additionally arranged at an air inlet port of an air injection section assembly 5 to control pressure, so that the pressure in an internal fixed cuff 3 is controlled within 40 mm Hg, the risk caused by overhigh tracheal intubation cuff pressure is reduced, the use safety is improved, meanwhile, the pressure control is accurate, the tracheal intubation cuff pressure control device can be suitable for different patients, the purposes of preventing the tracheal intubation from falling off and preventing backflow and aspiration caused by air leakage and preventing airway mucosa necrosis are achieved, the adaptation degree of the patients is high, and no stress reaction exists.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.