Tracheal tube
By designing an endotracheal tube with a limit plug and a control system, the problems of inaccurate air volume adjustment and unreal-time airflow monitoring were solved, achieving precise adjustment and safe airway management.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-11
- Publication Date
- 2026-04-07
AI Technical Summary
Existing endotracheal intubation methods are difficult to control precisely when adjusting air volume, are complex to operate and are prone to causing tracheal obstruction, cannot monitor airflow in real time, and pose a risk of suffocation.
An endotracheal cannula was designed, comprising an inhalation tube, a cannula body, and a shell. It is equipped with a limit plug, a scale bar, a control system, and a drive system. The position of the limit plug is controlled by alternating energization of a PLC controller and an electromagnet. Combined with sensors and a display circuit, the airflow is monitored in real time to achieve precise adjustment and detection.
It enables precise control of air volume, reduces the operational complexity for nursing staff, lowers the risk of tracheal obstruction and suffocation, and improves the accuracy and safety of airflow detection.
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Figure CN117085217B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of endotracheal intubation, and more specifically to an endotracheal intubation tube. Background Technology
[0002] Endotracheal intubation is generally used in the rescue of critically ill patients to maintain their airway. It involves inserting a specially designed endotracheal tube through the mouth or nose, via the glottis, into the trachea or bronchus. This provides optimal conditions for airway patency, ventilation, oxygen supply, and airway suction, and is a crucial measure for rescuing patients with respiratory dysfunction. This method is suitable for patients whose spontaneous breathing has stopped or who are unable to breathe independently due to laryngeal edema. After endotracheal intubation, the patient needs to gradually reduce the amount of air entering the endotracheal tube to help them regain spontaneous breathing. Once spontaneous breathing is restored, the endotracheal tube can be removed, and the patient can then breathe independently. During this period, nursing staff need to adjust the air intake through the endotracheal tube according to the patient's condition.
[0003] Current technology involves nurses adjusting the air intake gradually through the endotracheal tube using gauze or rubber stoppers, and through deliberate training, enabling patients to gradually achieve independent breathing. However, it is difficult to control the accuracy of the air intake during adjustment, requiring nurses to repeatedly test and adjust by hand, which is cumbersome, time-consuming, and complicated. In addition, if the instruments (such as rubber stoppers) used are not suitable, it can lead to tracheal obstruction, causing discomfort such as coughing, wheezing, and vomiting in patients. Furthermore, if the rubber stopper loosens and falls off, it can cause tracheal obstruction, leading to suffocation and endangering the patient's life.
[0004] Meanwhile, airflow cannot be monitored in real time during breathing training. Placing a detector directly in the trachea will affect airflow and cannot guarantee the accuracy of the test results. Summary of the Invention
[0005] To address the above shortcomings, the purpose of this invention is to provide an endotracheal intubation device.
[0006] This invention provides the following technical solution:
[0007] An endotracheal intubation tube includes: an inhalation tube, an intubation tube body, and a casing;
[0008] An air inlet pipe is connected between the air injection pipe and the outer shell. An air outlet pipe is provided between the cannula body and the outer shell. An installation post is provided inside the outer shell. An airflow hole and a through hole are opened inside the installation post. The through hole is connected to the airflow hole and is located above the airflow hole. A limit plug is slidably connected inside the airflow hole and the through hole. The limit plug slides in a sealed manner in both the airflow hole and the through hole to ensure precise control of the gas.
[0009] An installation sleeve is provided at the top of the outer shell. When the installation sleeve is removed, the installation post and the limiting plug can be taken out from the inside of the outer shell. The top of the limiting plug is fixedly connected to a support post. The surface of the support post is provided with a scale strip. When the support post is extended, the gas flow rate can be determined by observing the scale strip. A rotating head is connected to the end of the support post that extends through the installation sleeve. A connector and a three-way pipe are provided between the insertion tube body and the outlet pipe. A cleaning connector is connected to the outside of the three-way pipe.
[0010] The intake pipe and the exhaust pipe are both equipped with a control system and a drive system. The upper inner edge of the intake pipe and the exhaust pipe is provided with a receiving cavity. The receiving cavity is rotatably connected to a turntable and a rotating rod. One end of the rotating rod is provided with a ball seat. The ball seat is provided with a speed measuring module.
[0011] An adjustment system is provided in the rotating head, support column, and limiting plug.
[0012] As a preferred technical solution for endotracheal intubation, the adjustment system includes a switch, a PLC controller, and an electromagnet located on the bottom side of the rotating head. The limiting plug has a groove inside, and the electromagnet is located on the inner edge of the groove. A positive magnetic block is slidably connected inside the groove. When the switch is pressed, the PLC controller controls the electromagnet. There are two electromagnets with opposite magnetic properties, and they operate alternately. The PLC controller can be controlled by pressing the switch twice to make the two electromagnets operate alternately.
[0013] As a preferred technical solution for endotracheal intubation, a limiting block is provided on one side of the positive magnetic block, and four equally spaced limiting grooves are opened on the inner edge of the through hole. The limiting block is inserted into the limiting groove in the ejected state. By inserting the limiting block into the corresponding four equally spaced limiting grooves, the blocking area of the limiting plug in the airflow hole can be precisely adjusted.
[0014] As a preferred technical solution for endotracheal intubation, the control system consists of a remote controller, a control module one, and a micro motor. The output terminal of the remote controller is electrically connected to the input terminal of the control module one. The control module one controls the operation of the micro motor. Using the remote controller, the entire device can be controlled to measure airflow.
[0015] As a preferred technical solution for endotracheal intubation, the drive system consists of a second switch, a second control module, a propulsion module, a locking block, a speed measuring module, and a telescopic module. The second switch is located on the inner wall of the receiving cavity, and its output terminal is electrically connected to the input terminal of the second control module. The input terminals of the propulsion module, the speed measuring module, and the telescopic module are electrically connected to the output terminal of the second control module. The locking block is located on the inner edge of the receiving cavity and its movement is controlled by the propulsion module. The second control module can control the propulsion module, the speed measuring module, and the telescopic module to operate synchronously.
[0016] As a preferred technical solution for endotracheal intubation, one end of the turntable is controlled to rotate by a micro motor, and a slot is provided on one side of the turntable. When the card is extended, it is inserted into the slot. After the card is inserted into the slot, the stability of the rotating rod can be improved, and parts are prevented from falling into the air inlet and outlet pipes.
[0017] As a preferred technical solution for endotracheal intubation, a flow guide pad is provided on the back of the rotating rod, and the other end of the flow guide pad is connected to the surface of the ball seat. The flow guide pad is used to protect the ball seat when the rotating rod is stored. A linkage block is provided on the side wall of the turntable. When the turntable rotates, the linkage block squeezes the switch to start.
[0018] As a preferred technical solution for endotracheal intubation, a base is provided on the lower inner edge of both the inlet and outlet tubes. The telescopic module is located on the inner edge of the base, and a shaping pad is provided on the surface of the base. A spring is provided between the shaping pad and the base. The telescopic module can make the surface of the shaping pad arc-shaped, thereby increasing the internal area of the inlet and outlet tubes. The spring can improve the stability of the deformation and recovery of the shaping pad.
[0019] As a preferred technical solution for endotracheal intubation, the speed measurement module consists of a sensor, a filtering circuit, a signal processing circuit, and a display circuit. The output terminal of the sensor is electrically connected to the input terminal of the filtering circuit, the output terminal of the filtering circuit is electrically connected to the input terminal of the signal processing circuit, and the output terminal of the signal processing circuit is electrically connected to the input terminal of the display circuit. The speed measurement module can transmit the speed measurement results and data externally.
[0020] The beneficial effects of this invention are:
[0021] 1. By using switch one and PLC controller to alternately energize and de-energize two electromagnets, the limit block can be inserted into and removed from the limit slot, which facilitates precise adjustment of the position of the limit plug, thereby training patients to breathe independently and greatly reducing the time nurses spend adjusting the airway intake.
[0022] 2. The micro motor is controlled by a remote controller and control module one. The micro motor drives the turntable and linkage block to rotate. When the turntable rotates, it drives the rotating rod and ball seat to rotate into the air inlet and outlet pipes. When the linkage block rotates, it contacts switch two. Switch two uses control module two to make the propulsion module, speed measuring module and telescopic module run. The sensor, filter circuit, signal processing circuit and display circuit in the speed measuring module run to detect the airflow in the air inlet and outlet pipes. By comparing the airflow in the air inlet and outlet pipes, it can be compared with the position of the limit plug, so as to detect whether there is a blockage inside the shell.
[0023] 3. The telescopic module causes the shaping pad to deform. At this time, the shape of the retracted shaping pad is the same as the area of the rotating rod when it rotates and unfolds, thereby improving the overall detection accuracy.
[0024] 4. The push module squeeze block is inserted into the slot to ensure the stability of the rotating rod after rotation. This reduces the risk of foreign objects falling into the outer shell, air outlet and air inlet, reduces the complexity of operation for nursing staff, reduces the risk of patient suffocation due to improper operation, and reduces patient suffering.
[0025] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description
[0026] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:
[0027] Figure 1 A schematic diagram of an endotracheal intubation system.
[0028] Figure 2 This is a schematic diagram of the overall structure of an endotracheal tube.
[0029] Figure 3 This is a cross-sectional diagram of the outer shell of an endotracheal tube;
[0030] Figure 4 It is a type of endotracheal intubation tube. Figure 2 Enlarged view of point A in the middle;
[0031] Figure 5 It is a type of endotracheal intubation tube. Figure 2 Enlarged view of point B in the middle;
[0032] Figure 6 This is a schematic diagram of the endotracheal intubation procedure. Figure 1 ;
[0033] Figure 7 This is a schematic diagram of the endotracheal intubation procedure. Figure 2 ;
[0034] Figure 8 This is a schematic diagram of the endotracheal intubation procedure. Figure 3 ;
[0035] Figure 9 This is a schematic diagram of the endotracheal intubation procedure. Figure 4 .
[0036] The diagram is labeled as follows: 1. Inflation tube; 2. Tube body; 3. Inlet tube; 301. Storage cavity; 302. Rotating rod; 303. Turntable; 304. Micro motor; 305. Slot; 306. Locking block; 307. Ball seat; 308. Speed measuring module; 309. Guide pad; 310. Linkage block; 311. Switch two; 312. Control module two; 313. Propulsion module; 314. Telescopic module; 315. Base; 316. Shaping pad; 317. Spring; 318. Remote controller; 319. Control module one; 20. Sensor; 321. Filtering circuit; 322. Signal processing circuit; 323. Display circuit; 4. Air outlet pipe; 5. Housing; 501. Through hole; 502. Limiting plug; 503. Support column; 504. Scale bar; 505. PLC controller; 506. Electromagnet; 507. Groove; 508. Positive magnetic block; 509. Limiting block; 510. Limiting groove; 511. Mounting column; 512. Airflow hole; 6. Mounting sleeve; 7. Rotating head; 701. Switch one; 8. Connector; 9. T-pipe; 10. Cleaning connector. Detailed Implementation
[0037] The following description, in conjunction with embodiments and accompanying drawings, clearly and completely illustrates the concept, specific structure, and technical effects of the present invention, so as to fully understand the purpose, solution, and effects of the present invention. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. It should also be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. Furthermore, the descriptions of "up," "down," "left," and "right" used in this invention are only relative to the relative positional relationships of the various components of the present invention in the accompanying drawings.
[0038] Reference Figure 1 , 2As shown in Figures 3 and 5, an endotracheal cannula includes: an inlet tube 1, a cannula body 2, and a housing 5; an inlet tube 3 connected between the inlet tube 1 and the housing 5; an outlet tube 4 disposed between the cannula body 2 and the housing 5; a mounting post 511 disposed inside the housing 5; an airflow hole 512 and a through hole 501 formed inside the mounting post 511; the through hole 501 and the airflow hole 512 are connected through the through hole 501, and the through hole 501 is located above the airflow hole 512; a limiting plug 502 is slidably connected inside the airflow hole 512 and the through hole 501, wherein the limiting plug 502 is located above the airflow hole 512. Both the through hole 501 and the through hole 501 are sealed and sliding to ensure precise control of the gas. A limit block 509 is provided on one side of the positive magnetic block 508. Four equally spaced limit grooves 510 are opened on the inner edge of the through hole 501. The limit block 509 is inserted into the limit groove 510 in the ejected state. By inserting the limit block 509 into the corresponding four equally spaced limit grooves 510, the blocking area of the limit plug 502 in the airflow hole 512 can be precisely adjusted. A connector 8 and a three-way pipe 9 are provided between the tube body 2 and the outlet pipe 4. A cleaning connector 10 is connected to the outside of the three-way pipe 9.
[0039] During operation: Pressing switch 701 energizes the upper electromagnet 506 via PLC controller 505, while de-energizing the lower electromagnet 506. The energized upper electromagnet 506 attracts the positive magnetic block 508, causing the limit block 509 to disengage from the limit groove 510. At this point, pull the rotating head 7 upwards and observe the scale bar 504 to roughly gauge the blocking area of the limit plug 502 in the airflow hole 512. When the appropriate position is reached, press switch 701 again. The lower electromagnet... When 506 is energized, the upper electromagnet 506 is de-energized, and the lower electromagnet 506 and the positive magnetic block 508 repel each other due to their like poles. At this time, the limiting block 509 is inserted into the corresponding limiting slot 510, and the limiting plug 502 will block part of the airflow hole 512. The four limiting slots 510 correspond to the limiting plug 502 moving 0%, 1 / 3, 2 / 3 and 100% in the airflow hole 512, thereby precisely controlling the patient's respiratory volume. At the same time, when the patient is receiving assisted breathing, the remote controller 318 can be controlled, and the control module 319 controls the micro motor 30. 4. During operation, the micro motor 304 drives the turntable 303 and the linkage block 310 to rotate. When the turntable 303 rotates, it drives the rotating rod 302 to rotate. At this time, the ball seat 307 is inside the air inlet pipe 3 and the air outlet pipe 4. When the linkage block 310 rotates, it will contact the second switch 311. The second switch 311 uses the second control module 312 to make the propulsion module 313, the speed measuring module 308 and the telescopic module 314 operate. The propulsion module 313 squeezes the card block 306 into the card slot 305 to ensure the stability of the rotating rod 302 after rotation. The speed measuring module 313... The sensor 320, filter circuit 321, signal processing circuit 322, and display circuit 323 in 08 operate to detect the airflow in the inlet pipe 3 and outlet pipe 4. The telescopic module 314 drives the shaping pad 316 to deform. At this time, the shape of the retracted shaping pad 316 is the same as the area of the rotating rod 302 when it is rotated and unfolded, thereby improving the overall detection accuracy. By comparing the airflow in the inlet pipe 3 and outlet pipe 4, it can be compared with the position of the limit plug 502, thereby detecting whether there is a blockage inside the outer shell 5, thus ensuring the patient's normal assisted breathing.
[0040] Reference Figure 3 As shown, an endotracheal tube has an installation sleeve 6, which is located at the top of the outer shell 5. When the installation sleeve 6 is removed, the installation post 511 and the limiting plug 502 can be taken out from the inside of the outer shell 5. The top of the limiting plug 502 is fixedly connected to a support post 503. The surface of the support post 503 is provided with a scale strip 504. When the support post 503 is extended, the gas flow rate can be determined by observing the scale strip 504. The end of the support post 503 that extends through the installation sleeve 6 is connected to a rotating head 7.
[0041] Reference Figure 3 , 4As shown in Figures 7 and 8, an endotracheal cannula has a control system and a drive system installed inside both the inlet tube 3 and the outlet tube 4. A receiving cavity 301 is formed along the upper inner edge of both the inlet tube 3 and the outlet tube 4. A turntable 303 and a rotating rod 302 are rotatably connected inside the receiving cavity 301. A ball seat 307 is provided at one end of the rotating rod 302. A speed measuring module 308 is installed inside the ball seat 307. The control system consists of a remote controller 318, a control module 319, and a micro motor 304. The output terminal of the remote controller 318 is electrically connected to the input terminal of the control module 319. The control module 319 controls the operation of the micro motor 304. The entire device can be controlled using the remote controller 318. The airflow measurement system consists of a second switch 311, a second control module 312, a propulsion module 313, a locking block 306, a speed measuring module 308, and a telescopic module 314. The second switch 311 is located on the inner wall of the receiving cavity 301, and its output is electrically connected to the input of the second control module 312. The inputs of the propulsion module 313, the speed measuring module 308, and the telescopic module 314 are electrically connected to the output of the second control module 312. The locking block 306 is located on the inner edge of the receiving cavity 301 and is moved by the propulsion module 313. The second control module 312 can control the propulsion module 313, the speed measuring module 308, and the telescopic module 314 to operate synchronously.
[0042] Reference Figure 5 and 6 As shown, an endotracheal intubation system is provided, which is set in a rotating head 7, a support column 503 and a limiting plug 502. The system includes a switch 701, a PLC controller 505 and an electromagnet 506, which are set on the bottom side of the rotating head 7. The limiting plug 502 has a groove 507 inside. The electromagnet 506 is set on the inner edge of the groove 507. A positive magnetic block 508 is slidably connected inside the groove 507. When the switch 701 is pressed, the PLC controller 505 controls the electromagnet 506. There are two electromagnets 506. The two electromagnets 506 have opposite magnetic properties and alternate in operation. The PLC controller 505 can be controlled by pressing the switch 701 twice to make the two electromagnets 506 run alternately.
[0043] Reference Figure 3 , 4As shown in Figure 8, a endotracheal tube is provided. One end of the turntable 303 is controlled to rotate by a micro motor 304. A slot 305 is provided on one side of the turntable 303. When the turntable 303 is extended, the slot 306 is inserted into the slot 305. After the slot 306 is inserted into the slot 305, it can improve the stability of the rotating rod 302 and prevent parts from falling into the air inlet pipe 3 and the air outlet pipe 4. A guide pad 309 is provided on the back of the rotating rod 302. The other end of the guide pad 309 is connected to the surface of the ball seat 307. The guide pad 309 is used to protect the ball seat 307 when the rotating rod 302 is stored. A linkage block 310 is provided on the side wall of the turntable 303. When the turntable 303 rotates, the linkage block 310 squeezes the switch 311 to start.
[0044] Reference Figure 3 and 9 As shown, an endotracheal cannula has a base 315 on the lower inner edge of both the inlet tube 3 and the outlet tube 4. A telescopic module 314 is disposed on the inner edge of the base 315. A shaping pad 316 is disposed on the surface of the base 315, and a spring 317 is disposed between the shaping pad 316 and the base 315. The telescopic module 314 can make the surface of the shaping pad 316 arc-shaped, thereby increasing the internal area of the inlet tube 3 and the outlet tube 4. The spring 317 can improve the deformation and recovery stability of the shaping pad 316. The speed measuring module 308 consists of a sensor 320, a filter circuit 321, a signal processing circuit 322, and a display circuit 323. The output terminal of the sensor 320 is electrically connected to the input terminal of the filter circuit 321, the output terminal of the filter circuit 321 is electrically connected to the input terminal of the signal processing circuit 322, and the output terminal of the signal processing circuit 322 is electrically connected to the input terminal of the display circuit 323. The speed measuring module 308 can transmit the speed measuring results and data to the outside.
[0045] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An endotracheal tube, characterized in that, include: Inhalation tube (1), cannula body (2) and outer shell (5); An air inlet pipe (3) is connected between the air injection pipe (1) and the outer shell (5). An air outlet pipe (4) is provided between the insertion tube body (2) and the outer shell (5). An installation post (511) is provided inside the outer shell (5). An air flow hole (512) and a through hole (501) are provided inside the installation post (511). The through hole (501) is connected to the air flow hole (512) and is located above the air flow hole (512). A limit plug (502) is slidably connected inside the air flow hole (512) and the through hole (501). The mounting sleeve (6) is set at the top of the outer shell (5). The top of the limiting plug (502) is fixedly connected to a support column (503). The surface of the support column (503) is provided with a scale strip (504). The end of the support column (503) that extends through the mounting sleeve (6) is connected to a rotating head (7). A connector (8) and a three-way pipe (9) are provided between the insertion tube body (2) and the air outlet pipe (4). A cleaning connector (10) is connected to the outside of the three-way pipe (9). The air inlet pipe (3) and the air outlet pipe (4) are equipped with a control system and a drive system. The upper inner edge of the air inlet pipe (3) and the air outlet pipe (4) are provided with a receiving cavity (301). The receiving cavity (301) is rotatably connected to a turntable (303) and a rotating rod (302). One end of the rotating rod (302) is provided with a ball seat (307). The ball seat (307) is provided with a speed measuring module (308). An adjustment system is provided in the rotating head (7), the support column (503), and the limiting plug (502); The drive system consists of a second switch (311), a second control module (312), a propulsion module (313), a locking block (306), a speed measuring module (308), and a telescopic module (314). The second switch (311) is located on the inner wall of the storage cavity (301). The output end of the second switch (311) is electrically connected to the input end of the second control module (312). The input ends of the propulsion module (313), the speed measuring module (308), and the telescopic module (314) are electrically connected to the output end of the second control module (312). The locking block (306) is located on the inner edge of the storage cavity (301). The movement of the locking block (306) is controlled by the propulsion module (313). The lower inner edge of the air inlet pipe (3) and the air outlet pipe (4) are provided with a base (315), the telescopic module (314) is provided on the inner edge of the base (315), the surface of the base (315) is provided with a shaping pad (316), and a spring (317) is provided between the shaping pad (316) and the base (315).
2. The endotracheal tube according to claim 1, characterized in that, The adjustment system includes a switch (701), a PLC controller (505), and an electromagnet (506) located on the bottom side of the rotating head (7). The limit plug (502) has a groove (507) inside. The electromagnet (506) is located on the inner edge of the groove (507). A positive magnetic block (508) is slidably connected inside the groove (507). When the switch (701) is pressed, the PLC controller (505) controls the electromagnet (506). There are two electromagnets (506), which have opposite magnetic properties and alternate during operation.
3. The endotracheal intubation tube according to claim 2, characterized in that, A limiting block (509) is provided on one side of the positive magnetic block (508), and four equally spaced limiting grooves (510) are opened on the inner edge of the through hole (501). The limiting block (509) is inserted into the limiting groove (510) in the ejected state.
4. The endotracheal intubation tube according to claim 1, characterized in that, The control system consists of a remote controller (318), a control module (319), and a micro motor (304). The output terminal of the remote controller (318) is electrically connected to the input terminal of the control module (319), and the control module (319) controls the operation of the micro motor (304).
5. The endotracheal tube according to claim 1, characterized in that, One end of the turntable (303) is controlled to rotate by a micro motor (304), and a slot (305) is provided on one side of the turntable (303). When the card block (306) is extended, it is inserted into the slot (305).
6. The endotracheal tube according to claim 1, characterized in that, The back of the rotating rod (302) is provided with a flow guide pad (309), the other end of the flow guide pad (309) is connected to the surface of the ball seat (307), and the side wall of the turntable (303) is provided with a linkage block (310).
7. The endotracheal tube according to claim 1, characterized in that, The speed measuring module (308) consists of a sensor (320), a filter circuit (321), a signal processing circuit (322), and a display circuit (323). The output terminal of the sensor (320) is electrically connected to the input terminal of the filter circuit (321), the output terminal of the filter circuit (321) is electrically connected to the input terminal of the signal processing circuit (322), and the output terminal of the signal processing circuit (322) is electrically connected to the input terminal of the display circuit (323).
Citation Information
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