Electrophysiological monitoring anti-bite device in general anesthesia tracheal intubation

Abstract

The invention relates to the technical field of medical instruments, in particular to an electrophysiology monitoring anti-bite device in general anesthesia tracheal intubation, which comprises a positioning block, a limiting plate, a limiting plate II, a bump and a bump II, one side of the positioning block is connected with the side wall of the limiting plate, and the other side of the positioning block is connected with the side wall of the limiting plate II; the top and the bottom of the limiting plate are each connected with the bottom end of a protruding block, the top ends of the protruding blocks are arranged away from the positioning block, the top and the bottom of the second limiting plate are each connected with the bottom end of a second protruding block, the top ends of the second protruding blocks are arranged away from the positioning block, and the protruding blocks and the second protruding blocks are matched with the positioning block to clamp molar teeth of a patient. The integrality of the device and the stability of the device placed in the oral cavity of a patient are greatly improved, so that the cleaning difficulty in the oral cavity when the device is taken out of the oral cavity of the patient is reduced, and meanwhile, the patient can be prevented from suffocation during electrophysiological monitoring.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, and in particular to an electrophysiological monitoring and anti-bite device during endotracheal intubation under general anesthesia. Background Art

[0002] Electrophysiological monitoring during endotracheal intubation under general anesthesia is an important clinical practice, especially in surgeries involving the nervous system. Electrophysiological monitoring can help doctors evaluate the patient's neurological function in real time and prevent or reduce possible damage to the nervous system during surgery. During the operation, the patient is unconscious, so anti-bite devices are often used to prevent the patient from biting his tongue.

[0003] However, gauze is often used in the prior art to prevent patients from biting their tongues. This method requires repeated confirmation that a sufficient amount of gauze is placed between the upper and lower teeth, and some gauze is prone to fraying. During the removal process, care must be taken to confirm that no gauze is left in the mouth, which can easily cause suffocation to the patient. Summary of the invention

[0004] The present invention provides an electrophysiological monitoring and anti-bite device during tracheal intubation under general anesthesia, so as to solve the problem raised by the background technology.

[0005] In order to achieve the above-mentioned invention objectives, the present invention provides the following technical solutions: an anti-bite device for electrophysiological monitoring during endotracheal intubation under general anesthesia, comprising: a positioning block, a limiting plate, a limiting plate 2, a protrusion and a protrusion 2, wherein one side of the positioning block is connected to the side wall of the limiting plate, and the other side of the positioning block is connected to the side wall of the limiting plate 2, the top and bottom of the limiting plate are each connected to the bottom end of a protrusion, and the top end of the protrusion is arranged away from the positioning block, the top and bottom of the limiting plate 2 are each connected to the bottom end of a protrusion 2, and the top end of the protrusion 2 is arranged away from the positioning block.

[0006] Preferably, the height of the first bump is greater than the height of the second bump.

[0007] Preferably, the positioning block, the limiting plate, the second limiting plate, the convex block and the second convex block are all made of rubber.

[0008] Preferably, the side wall of the limiting plate away from the positioning block is connected to the end of the side wall of the adhesive tape, the other end of the adhesive tape is arranged away from the positioning block, and the other side wall of the adhesive tape is provided with adhesive backing.

[0009] Preferably, a mounting cavity is provided inside the positioning block.

[0010] Preferably, two inner walls of the installation cavity are each connected to a positioning plate, and the two positioning plates are each connected to an end of a reinforcing rod, and the other end of each reinforcing rod is respectively connected to one side of the positioning tube.

[0011] Preferably, the end face of the positioning block is connected to a mounting tube, a rotating shaft is rotatably connected inside the mounting tube, one end of the rotating shaft is placed outside the positioning block, the other end of the rotating shaft is placed in the mounting cavity and connected to the end of a spline shaft, the other end of the spline shaft is plugged into and fits with the spline groove, the spline groove is provided on the end face of the double screw, one threaded portion of the double screw is threadably connected to the internal threaded portion of the mounting tube, the double screw is rotatably connected to the positioning tube, and the other end of the double screw is rotatably connected to the end inner wall of the mounting cavity.

[0012] Preferably, two spiral tubes are threadedly connected on the double screw rod, and the bottom of a connecting rod is hinged on the upper and lower sides of the spiral tubes. The top of each connecting rod is hinged on a side wall of a support plate, the side wall of one support plate is connected to the inner top wall of the installation cavity, and the other support plate is connected to the inner bottom wall of the installation cavity, and the top ends of the two support plates hinged on one support plate are arranged far away from each other.

[0013] Preferably, the end of a pull rod is connected to the side wall of the support plate, the pull rod is slidably sealed with the pressure tube on the positioning tube, the end of the pull rod placed inside the pressure tube is connected to a piston, the piston is slidably sealed with the pressure tube, a pressure chamber is formed between the inner wall of the pressure tube and the top wall of the piston, air is filled in the pressure chamber, the inner wall of the pressure tube and the top wall of the piston are connected by a spring, and the inner wall of the pressure chamber is connected to the end of the air guide tube.

[0014] Preferably, a longitudinal mounting groove is formed on the side wall of the second limit plate away from the positioning block, a rack is connected to the inner wall of the longitudinal mounting groove, the meshing surface of the rack and the gear is arranged away from the adhesive sticker, the gear is mounted on the second rotating shaft, the second rotating shaft is rotatably connected to the slider, the slider is slidably connected to the longitudinal mounting groove and the guide strip in the longitudinal mounting groove, and the bottom of the slider is connected to the bottom wall of the longitudinal mounting groove through the second spring.

[0015] The beneficial effects of the present invention are as follows:

[0016] In the scheme of the present invention:

[0017] The patient's molars are clamped by the cooperation of the protrusion and the second protrusion with the positioning block, which greatly improves the integrity of the device and the stability of the device placed in the patient's mouth, thereby reducing the difficulty of cleaning the patient's mouth when removing the device from the mouth, and also prevents the patient from suffocating when implementing electrophysiological monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0019] Figure 2 A schematic diagram of the position of the installation cavity of the present invention;

[0020] Figure 3 It is a schematic diagram of the connection relationship between the positioning plate and the positioning tube of the present invention;

[0021] Figure 4 is a cross-sectional view of a pressure pipe of the present invention;

[0022] Figure 5 It is a schematic diagram of the connection relationship between the pressure tube and the air guide tube of the present invention;

[0023] Figure 6 A schematic diagram of the position of the installation slot of the present invention;

[0024] Figure 7 It is a cross-sectional view of the hollow rubber auger of the present invention;

[0025] Figure 8 It is a schematic diagram of the structure of the suction mechanism of the present invention;

[0026] Fig. 9 is a cross-sectional view of a housing of the present invention;

[0027] Fig.10 It is a schematic diagram of the relative position relationship between the discharge pipe and the discharge pipe of the present invention;

[0028] Fig.11 It is a cross-sectional view of the storage shell of the present invention.

[0029] Among them: positioning block 1, limit plate 2, limit plate 2 3, convex block 4, convex block 2 5, adhesive tape 6, installation cavity 7, positioning plate 8, positioning tube 9, installation tube 10, rotating shaft 11, spline shaft 12, double screw 13, screw tube 14, connecting rod 15, support plate 16, pull rod 17, piston 18, pressure tube 19, spring 20, air guide tube 21, installation groove 22, rack 23, gear 24, rotating shaft 25, slider 26, spring 2 27, sleeve 28, air guide hole 29, air guide hole 2 30, hollow rubber auger 31, suction mechanism 32, outer shell 33, suction pipe 34, suction pipe 2 35, pump casing 36, pump shaft 37, rubber wheel 38, discharge pipe 39, pump casing 2 40, pump shaft 2 41, rubber wheel 2 42, discharge pipe 2 43, rubber wheel 3 44, adjustment mechanism 45, motor 46, output shaft 47, lifting tube 48, storage casing 49, storage casing 2 50, spring 3 51, mounting ring 52, connecting rod 2 53, connecting rod 3 54, counterweight 55. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0031] Example 1: Reference Figure 1-Figure 11The invention discloses an anti-bite device for electrophysiological monitoring during endotracheal intubation under general anesthesia, comprising: a positioning block 1, a limiting plate 2, a limiting plate 3, a protrusion 4 and a protrusion 5, wherein one side of the positioning block 1 is connected to the side wall of the limiting plate 2, and the other side of the positioning block 1 is connected to the side wall of the limiting plate 3, the top and the bottom of the limiting plate 2 are respectively connected to the bottom end of a protrusion 4, and the top end of the protrusion 4 is arranged away from the positioning block 1, the top and the bottom of the limiting plate 3 are respectively connected to the bottom end of a protrusion 5, and the top end of the protrusion 5 is arranged away from the positioning block 1.

[0032] The principle of the above scheme is:

[0033] When the patient undergoes electrophysiological monitoring, the medical staff places the two positioning blocks 1 on the molars on both sides of the mouth respectively. Each positioning block 1 is connected to a limit plate 2 and a limit plate 3. The limit plate 2 contacts the cheek of the mouth, and the limit plate 3 contacts the patient's tongue. The protrusion 4 and the protrusion 5 form a groove with the positioning block 1, which is convenient for cooperating with the patient's upper and lower molars and being stably placed in the patient's mouth. When the electrophysiological monitoring is completed, the device is removed to end the patient's anti-bite protection.

[0034] The beneficial effects of the above scheme are:

[0035] The patient's molars are clamped by the cooperation of the protrusions 4 and 5 with the positioning block 1, which greatly improves the integrity of the device and the stability of the device placed in the patient's mouth, thereby reducing the difficulty of cleaning the patient's mouth when removing the device from the mouth, and also prevents the patient from suffocating when implementing electrophysiological monitoring.

[0036] Example 2: Reference Figure 1-Figure 11 , the height of the bump 4 is greater than the height of the bump 2 5 .

[0037] The principles and beneficial effects of the above scheme are:

[0038] The height of the bump 4 is greater than the height of the bump 2 5 , so the bump 4 cooperates with the limiting plate 2 to increase the contact area between the device and the cheek of the patient's mouth, further increasing the stability of the device in the patient's mouth.

[0039] Example 3: Reference Figure 1-Figure 11 The positioning block 1, the limiting plate 2, the limiting plate 3, the protrusion 4 and the protrusion 5 are all made of rubber.

[0040] The principles and beneficial effects of the above scheme are:

[0041] Since the positioning block 1, the limiting plate 2, the limiting plate 3, the protrusion 4 and the protrusion 5 are all made of rubber, the device itself is elastic. When the patient's teeth are irregularly distributed, the device can also make good contact with the teeth through a certain deformation.

[0042] Example 4: Reference Figure 1-Figure 11 The side wall of the limiting plate 2 away from the positioning block 1 is connected to the end of the side wall of the adhesive tape 6, the other end of the adhesive tape 6 is arranged away from the positioning block 1, and the other side wall of the adhesive tape 6 is provided with adhesive backing.

[0043] The principles and beneficial effects of the above scheme are:

[0044] After the device is placed in the patient's oral cavity, the adhesive patch 6 is placed outside the oral cavity. At this time, the adhesive backing of the adhesive patch 6 is used to adhere the adhesive patch 6 to the patient's oral cavity, which can further increase the stability of the device placed in the oral cavity and prevent the device from falling off. At the same time, when taking out the device, the adhesive patch 6 is torn off from the patient's face, and the operator can take out the device by holding the adhesive patch 6, which reduces the number of disinfections during operation and improves the hygiene of the operation.

[0045] Example 5: Reference Figure 1-Figure 11 A mounting cavity 7 is provided inside the positioning block 1 .

[0046] The principles and beneficial effects of the above scheme are:

[0047] The opening of the installation cavity 7 greatly reduces the overall weight of the device and reduces the cost of manufacturing the device.

[0048] Example 6: Reference Figure 1-Figure 11 The two inner walls of the installation cavity 7 are each connected to a positioning plate 8, and the two positioning plates 8 are each connected to the end of a reinforcing rod, and the other end of each reinforcing rod is respectively connected to one side of the positioning tube 9.

[0049] The principles and beneficial effects of the above scheme are:

[0050] A positioning plate 8 is arranged in the installation cavity 7 , and two positioning plates 8 are respectively connected to the positioning tube 9 via a reinforcing rod, thereby increasing the overall structural strength of the device.

[0051] Example 7: Reference Figure 1-Figure 11 The end face of the positioning block 1 is connected to a mounting tube 10, and a rotating shaft 11 is rotatably connected inside the mounting tube 10. One end of the rotating shaft 11 is placed outside the positioning block 1, and the other end of the rotating shaft 11 is placed in the mounting cavity 7 and is connected to the end of a spline shaft 12. The other end of the spline shaft 12 is plugged into a spline groove, and the spline groove is provided on the end face of a double screw 13. One threaded portion of the double screw 13 is threadedly connected to the internal threaded portion of the mounting tube 10, the double screw 13 is rotatably connected to the positioning tube 9, and the other end of the double screw 13 is rotatably connected to the end inner wall of the mounting cavity 7.

[0052] The principles and beneficial effects of the above scheme are:

[0053] The size of the oral cavity of the monitored patient varies due to the age. Therefore, to ensure that the device can be stably placed in the patient's oral cavity, when the patient's oral cavity is relatively large, the rotating shaft 11 is rotated forward, the rotating shaft 11 drives the spline shaft 12 to rotate, and the spline shaft 12 drives the double screw 13 to rotate forward through the spline groove. The double screw 13 is threadedly connected with the mounting tube 10, and moves toward the inside of the mounting cavity 7.

[0054] Since the other end of the double screw 13 is rotatably connected to the inner wall of the end of the installation cavity 7, when the patient's oral cavity is small, the rotating shaft 11 is reversed, the rotating shaft 11 drives the spline shaft 12 to rotate, and the spline shaft 12 drives the double screw 13 to reverse through the spline groove, and the double screw 13 is threadedly connected with the installation tube 10, so that the double screw 13 moves to the outside of the installation cavity 7;

[0055] The movement of the double screw 13 toward the inside of the installation cavity 7 can increase the length of the positioning block 1 , and the movement of the double screw 13 toward the outside of the installation cavity 7 can reduce the length of the positioning block 1 .

[0056] The beneficial effects of the above scheme are:

[0057] The provision of the twin screws 13 can adjust the length of the positioning block 1, thereby greatly improving the adaptability of the device under different working conditions.

[0058] Example 8: Reference Figure 1-Figure 11 Two screw tubes 14 are threadedly connected to the double screw 13, and the bottom of a connecting rod 15 is hinged on the upper and lower sides of the screw tube 14. The top of each connecting rod 15 is hinged on the side wall of a support plate 16. The side wall of one support plate 16 is connected to the inner top wall of the installation cavity 7, and the other support plate 16 is connected to the inner bottom wall of the installation cavity 7. The top ends of the two support plates 16 hinged on one support plate 16 are set away from each other.

[0059] The principle of the above scheme is:

[0060] When the twin screw 13 rotates forward, the length of the positioning block 1 increases, the distance between the two screw tubes 14 increases, the top of the connecting rod 15 moves toward the center of the installation cavity 7, and the distance between the two support plates 16 increases;

[0061] When the twin screws 13 rotate in reverse, the length of the positioning block 1 decreases, the distance between the two screw tubes 14 decreases, the top of the connecting rod 15 moves away from the center of the installation cavity 7, and the distance between the two support plates 16 decreases;

[0062] The beneficial effects of the above scheme are:

[0063] When adjusting the length of the positioning block 1, the distance between the two support plates 16 increases, which can increase the height of the positioning block 1. The distance between the two support plates 16 decreases, which can reduce the height of the positioning block 1. Since the positioning block 1, the limiting plate 2, the limiting plate 3, the protrusion 4 and the protrusion 5 are all made of rubber, the height of the protrusion 4 and the protrusion 5 can be raised and lowered accordingly, further improving the stability of the device in the oral cavity of patients of different sizes.

[0064] Example 9: Reference Figure 1-Figure 11 The end of a pull rod 17 is connected to the side wall of the support plate 16, and the pull rod 17 is slidably sealed with a pressure tube 19 on the positioning tube 9. The end of the pull rod 17 placed inside the pressure tube 19 is connected to a piston 18, and the piston 18 is slidably sealed with the pressure tube 19. A pressure chamber is formed between the inner wall of the pressure tube 19 and the top wall of the piston 18, and air is injected into the pressure chamber. The inner wall of the pressure tube 19 and the top wall of the piston 18 are connected by a spring 20, and the inner wall of the pressure chamber is connected to the end of an air guide tube 21.

[0065] The principle of the above scheme is:

[0066] When the distance between the two support plates 16 increases, the pull rod 17 moves toward the outside of the pressure tube 19, driving the piston 18 to move, the spring 20 is compressed, and the air in the pressure chamber is discharged through the air guide tube 21;

[0067] When the distance between the two support plates 16 decreases, the pull rod 17 moves toward the inside of the pressure tube 19, driving the piston 18 to move, the length of the spring 20 increases, and the air guide tube 21 replenishes air into the pressure chamber.

[0068] The beneficial effects of the above scheme are:

[0069] The air in the pressure chamber has a certain resistance when flowing. Therefore, when the distance between the two support plates 16 is adjusted with the cooperation of the spring 20, the air resistance can prevent the support plate 16 from vibrating when moving, thereby improving the stability of the support plate 16 when moving and preventing the aging of the structural strength of the parts due to the vibration.

[0070] Example 10: Reference Figure 1-Figure 11 A longitudinal mounting groove 22 is formed on the side wall of the second limit plate 3 away from the positioning block 1, and a rack 23 is connected to the inner wall of the longitudinal mounting groove 22. The meshing surface of the rack 23 and the gear 24 is arranged away from the adhesive tape 6. The gear 24 is mounted on the second rotating shaft 25. The second rotating shaft 25 is rotatably connected to the slider 26. The slider 26 is slidably connected to the longitudinal mounting groove 22 and the guide strip in the longitudinal mounting groove 22. The bottom of the slider 26 is connected to the bottom wall of the longitudinal mounting groove 22 through the second spring 27.

[0071] The other end of the air guide tube 21 is connected to the inner wall of the sleeve 28, and the sleeve 28 is installed on the side wall of the slider 26 away from the limit plate 23. The sleeve 28 is rotatably sealed with the rotating shaft 25. The other end of the air guide tube 21 is arranged toward the end of the air guide hole 29, and the end of the air guide hole 29 is opened on the side wall of the rotating shaft 25. The other end of the air guide hole 29 is connected to the air guide hole 2 30. The air guide hole 2 30 is opened on the inner wall of the hollow rubber auger 31, and the inner wall of the hollow rubber auger 31 is connected to the side wall of the rotating shaft 25.

[0072] The principles and beneficial effects of the above scheme are:

[0073] After the device is placed in the patient's oral cavity, the hollow rubber auger 31 contacts and cooperates with the patient's tongue top. When the patient is monitored, he is in an unconscious state. Therefore, in order to prevent the patient from swallowing his tongue, that is, the patient's tongue moves toward his throat, the hollow rubber auger 31 itself can initially limit the tongue top.

[0074] When the patient's tongue continues to move, the hollow rubber auger 31 moves upward, and the second shaft 25 drives the slider 26 to move upward in the longitudinal mounting groove 22. Since the rack 23 is meshed with the gear 24, the second shaft 25 rotates forward at this time. Since the length of the second spring 27 is stretched, the elastic force of the second spring 27 and the cooperation of the hollow rubber auger 31 limit the top of the patient's tongue.

[0075] Since two hollow rubber auger 31 are arranged in the oral cavity, and the spiral structure of the hollow rubber auger 31 has different options, the rotating hollow rubber auger 31 can move the patient's tongue tip toward the center or both sides of the oral cavity, thereby ensuring the parallelism between the center of the tongue and the device, thereby preventing the movement of the tongue from driving the left and right movement of other devices in the oral cavity, thereby increasing the accuracy of the patient's monitoring;

[0076] Furthermore, since the hollow rubber auger 31 is a hollow structure, the pressure applied by the hollow rubber auger 31 on the tongue is reduced, thereby preventing the patient from feeling uncomfortable after monitoring.

[0077] In addition, due to the different sizes of the oral cavity of the patient, when the oral cavity of the patient is larger, the piston 18 rises a long distance, more air is discharged from the pressure chamber, and the air guide tube 21 delivers more air to the sleeve 28. The air passes through the air guide hole 29, and then the inside of the hollow rubber auger 31 is inflated through the second air guide hole 30, thereby increasing the volume of the hollow rubber auger 31 to compensate for the distance between the hollow rubber auger 31 and the tongue, ensuring that the hollow rubber auger 31 is always in contact with the top of the tongue;

[0078] Therefore, when the patient's oral cavity is small, the piston 18 rises a short distance, the air discharged from the pressure chamber is small, the air guide tube 21 delivers less air to the sleeve 28, and the volume increase of the hollow rubber auger 31 is small, which limits the tongue top of the patient with a small oral cavity and prevents the patient's tongue top from feeling uncomfortable due to excessive pressure;

[0079] After the device is taken out from the patient's oral cavity, under the elastic force of the second spring 27, the slider 26 moves downward in the longitudinal mounting groove 22, the second shaft 25 rotates in the opposite direction, and the hollow rubber auger 31 is reset to prepare for the next operation;

[0080] When the piston 18 is reset, the air in the hollow rubber auger 31 passes through the air hole 20 and enters the air hole 29, then enters the air pipe 21 through the other end of the air hole 29, and finally returns to the pressure chamber, preventing the air in the hollow rubber auger 31 from continuing to expand and reducing the service life of the mechanism.

[0081] Example 11: Reference Figure 1-Figure 11 , also includes: a suction mechanism 32; the suction mechanism 32 includes: a shell 33, a suction pipe 34, a suction pipe II 35, a pump shell 36, a pump shaft 37, a rubber wheel 38, a discharge pipe 39, a pump shell II 40, a pump shaft II 41, a rubber wheel II 42, a discharge pipe II 43, a rubber wheel III 44 and an adjustment mechanism 45, the positioning block 1 and the shell 33 are respectively connected to the suction pipe 34, the end of the suction pipe 34 is arranged away from the hollow rubber auger 31, the suction pipe 34 is connected to the end of the suction pipe II 35, the other end of the suction pipe II 35 is connected to the pump shell 36, the pump shell 36 is rotatably connected to the pump shaft 37, the pump blades on the pump shaft 37 are placed inside the pump shell 36, the other end of the pump shaft 37 above the pump shell 36 is connected to the rubber wheel 38, and the pump shell 36 is connected to the end of the discharge pipe 39;

[0082] The other end of the suction pipe 34 is connected to a pump housing 40, a pump shaft 41 is rotatably connected to the pump housing 40, a pump blade 41 on the pump shaft 41 is placed inside the pump housing 40, a rubber wheel 42 is connected to the other end of the pump shaft 41 above the pump housing 40, and the end of the discharge pipe 43 is connected to the pump housing 40;

[0083] The pump housing 2 40 is placed above the pump housing 36;

[0084] The rubber wheel 38 is frictionally matched with the rubber wheel three 44 . The diameter of the rubber wheel 38 is greater than that of the rubber wheel two 42 . The side wall of the rubber wheel two 42 is tangent to the side wall of the rubber wheel three 44 . The rubber wheel three 44 is connected to the adjustment mechanism 45 .

[0085] The adjusting mechanism 45 comprises: a motor 46, an output shaft 47 and a lifting tube 48. The motor 46 is connected inside the outer shell 33. The output shaft 47 of the motor 46 is frictionally matched with the rubber wheel three 44. The rubber wheel three 44 is rotatably connected to the side wall of the lifting tube 48. The lifting tube 48 is coaxially arranged with the output shaft 47. The top of the lifting tube 48 is connected to the bottom of the storage shell two 50.

[0086] The principles and beneficial effects of the above scheme are:

[0087] When saliva appears in the oral cavity, in order to prevent the patient from coughing and wheezing, the motor 46 is started, and the output shaft 47 of the motor 46 rotates forward to drive the rubber wheel 34 to rotate reversely, and the rubber wheel 34 drives the rubber wheel 38 that is frictionally matched with it to rotate forward, and the rubber wheel 38 drives the pump shaft 37 and the pump blade to rotate forward, and the saliva is sucked through the suction pipe 2 35 and the suction pipe 34, and then the saliva is discharged through the discharge pipe 39;

[0088] When the patient is being monitored, sputum is likely to appear. To prevent sputum from blocking the respiratory tract and causing suffocation, at this time, the lifting tube 48 is driven by the receiving shell 2 50 to move upward, and the lifting tube 48 drives the rubber wheel 3 44 rotatably connected thereto to move upward. At the same time, one side of the rubber wheel 3 44 is frictionally matched with the output shaft 47, and the other side of the rubber wheel 3 44 is frictionally matched with the rubber wheel 2 42. The rotation of the output shaft 47 drives the rotation of the rubber wheel 2 42. Since the diameter of the rubber wheel 38 is larger than the diameter of the rubber wheel 2 42, the rotation speed of the rubber wheel 2 42 is greater than the rotation speed of the rubber wheel 38, and the rotation speeds of the pump shaft 2 41 and the pump blade 2 are respectively greater than the rotation speeds of the pump shaft 37 and the pump blade. At this time, the negative pressure in the pump shell 2 40 is greater than the negative pressure of the pump shell 36 when working, and the sputum can be efficiently sucked into the pump shell 2 40 and then discharged through the discharge pipe 2 43;

[0089] The rubber wheel 38 and the second rubber wheel 42 are respectively frictionally matched with the output shaft 47 through the third rubber wheel 44, which greatly reduces the number of parts in the device and reduces the difficulty of device maintenance while ensuring normal operation;

[0090] The use of rubber wheel parts can not only ensure the precise transmission of rotation between devices, but also avoid the noise generated by gear parts during operation. In addition, rubber wheel parts are highly replaceable and easy to inspect and maintain.

[0091] Example 12: Reference Figure 1-Figure 11The housing 33 is connected with a storage housing 49, the circular hole at the bottom of the storage housing 49 is slidably connected with the lifting tube 48, the circular hole 2 at the bottom of the storage housing 50 is coaxially arranged with the lifting tube 48, the side wall of the storage housing 50 is slidably connected with the inner wall of the storage housing 49, the bottom of the storage housing 50 is connected with the bottom wall of the storage housing 49 through a spring 3 51, the output shaft 47 is rotatably sealed with the circular hole 2, and a mounting ring 52 is slidably connected to the output shaft 47, and the bottom of the mounting ring 52 is connected with the storage housing 50. 0 is in contact with the bottom wall of the storage shell 2 50, and the bottom ends of multiple connecting rods 2 53 are hinged on the side of the mounting ring 52. The top end of the connecting rod 2 53 is hinged to the lower side wall of the connecting rod 3 54, and the top of the connecting rod 3 54 is hinged to the side wall of the output shaft 47. The bottom of the connecting rod 3 54 is connected with a counterweight block 55, and the counterweight block 55 is arranged away from the side wall of the output shaft 47. The bottom wall of the storage shell 2 50 is connected with the top end of the drain pipe, and the bottom end of the drain pipe is placed below the bottom of the storage shell 49, and a solenoid valve is provided in the drain pipe.

[0092] The other ends of the discharge pipe 39 and the discharge pipe 2 43 are both arranged toward the top opening of the storage shell 2 50 .

[0093] The principles and beneficial effects of the above scheme are:

[0094] Since the patient will use a part of saliva when producing sputum, and the viscosity of sputum is greater than that of saliva, it is more difficult to aspirate than saliva, and the sputum will be retained in the oral cavity. After the output shaft 47 starts to work, its rotation speed increases at a uniform speed. When its rotation speed increases to an upper limit, the counterweight block 55 moves away from the middle of the storage shell 2 50 under the action of centrifugation, thereby causing the bottom end of the connecting rod 3 54 to move upward, and at the same time, the connecting rod 3 54 drives the connecting rod 2 53 to move upward, and the connecting rod 2 53 drives the mounting ring 52 to move upward, and the mounting ring 52 stops applying pressure to the top of the storage shell 2 50;

[0095] If the saliva collected in the second storage shell 50 is relatively large before the solenoid valve in the discharge pipe is opened, the weight exerted on the second storage shell 50 is relatively large. Therefore, after the pressure exerted by the mounting ring 52 on the second storage shell 50 is lost, the second storage shell 50 does not move upward, and the length of the third spring 51 remains unchanged. At this time, the height of the lifting tube 48 can be ensured to remain unchanged. The rubber wheel 3 44 and the rubber wheel 38 are frictionally matched, and the saliva that continuously enters the second storage shell 50 maintains its height unchanged.

[0096] If the saliva collected in the second storage shell 50 is relatively small before the solenoid valve is opened, the weight of the saliva applied to the second storage shell 50 is relatively light. Therefore, after the pressure of the mounting ring 52 on the second storage shell 50 is lost, the second storage shell 50 moves upward, and the length of the spring 3 51 increases under the elastic force of its reset. At this time, the lifting tube 48 moves upward, and the rubber wheel 3 44 and the rubber wheel 2 42 are frictionally matched, increasing the negative pressure of the device and further increasing the suction effect of the sputum retained in the oral cavity;

[0097] When the device finishes working, that is, saliva or sputum is discharged through the drainage tube, the solenoid valve is closed, the interior of the storage shell 2 50 is emptied, the output shaft 47 stops rotating, the counterweight block 55 moves downward and resets, driving the bottom of the connecting rod 3 54 to move downward and reset, the connecting rod 3 54 drives the connecting rod 2 53 to move downward and reset, and then the mounting ring 52 moves downward and resets, and pressure is applied to the storage shell 2 50 again, the spring 3 51 is compressed, and the device is ready for the next work.

[0098] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. An electrophysiological monitoring and anti-bite device for endotracheal intubation during general anesthesia, characterized in that: include: A positioning block (1), a limiting plate (2), a second limiting plate (3), a protrusion (4) and a second protrusion (5), wherein one side of the positioning block (1) is connected to the side wall of the limiting plate (2), and the other side of the positioning block (1) is connected to the side wall of the second limiting plate (3); the top and bottom of the limiting plate (2) are each connected to the bottom end of a protrusion (4), and the top end of the protrusion (4) is arranged away from the positioning block (1); the top and bottom of the second limiting plate (3) are each connected to the bottom end of the second protrusion (5), and the top end of the second protrusion (5) is arranged away from the positioning block (1).

2. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 1, characterized in that: The height of the protrusion (4) is greater than the height of the second protrusion (5).

3. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 2, characterized in that: The positioning block (1), the limiting plate (2), the second limiting plate (3), the protrusion (4) and the second protrusion (5) are all made of rubber.

4. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 3, characterized in that: The side wall of the limiting plate (2) away from the positioning block (1) is connected to the end of the side wall of the adhesive tape (6), the other end of the adhesive tape (6) is arranged away from the positioning block (1), and the other side wall of the adhesive tape (6) is provided with adhesive backing.

5. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 4, characterized in that: A mounting cavity (7) is provided inside the positioning block (1).

6. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 5, characterized in that: The two inner walls of the installation cavity (7) are each connected to a positioning plate (8), and the two positioning plates (8) are each connected to the end of a reinforcing rod, and the other end of each reinforcing rod is respectively connected to one side of the positioning tube (9).

7. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 6, characterized in that: The end face of the positioning block (1) is connected to a mounting tube (10), and a rotating shaft (11) is rotatably connected inside the mounting tube (10). One end of the rotating shaft (11) is placed outside the positioning block (1), and the other end of the rotating shaft (11) is placed inside the mounting cavity (7) and connected to the end of a spline shaft (12). The other end of the spline shaft (12) is plug-fitted with a spline groove. The spline groove is provided on the end face of a double screw (13). A threaded portion of the double screw (13) is threadedly connected to an internal threaded portion of the mounting tube (10). The double screw (13) is rotatably connected to the positioning tube (9), and the other end of the double screw (13) is rotatably connected to the inner wall of the end of the mounting cavity (7).

8. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 7, characterized in that: The twin screw rod (13) is threadedly connected to two screw tubes (14), the upper and lower sides of the screw tubes (14) are respectively hinged to the bottom of a connecting rod (15), the top of each connecting rod (15) is respectively hinged to the side wall of a support plate (16), the side wall of one support plate (16) is connected to the inner top wall of the installation cavity (7), and the other support plate (16) is connected to the inner bottom wall of the installation cavity (7), and the top ends of the two support plates (16) hinged to one support plate (16) are arranged to be far away from each other.

9. The electrophysiological monitoring and anti-bite device during endotracheal intubation under general anesthesia according to claim 8, characterized in that: The end of a pull rod (17) is connected to the side wall of the support plate (16), and the pull rod (17) and the pressure tube (19) on the positioning tube (9) are slidably sealed. The end of the pull rod (17) placed inside the pressure tube (19) is connected to a piston (18), and the piston (18) and the pressure tube (19) are slidably sealed. A pressure chamber is formed between the inner wall of the pressure tube (19) and the top wall of the piston (18), and air is injected into the pressure chamber. The inner wall of the pressure tube (19) and the top wall of the piston (18) are connected by a spring (20), and the inner wall of the pressure chamber is connected to the end of an air guide tube (21).

10. The electrophysiological monitoring and anti-bite device during general anesthesia endotracheal intubation according to claim 7, characterized in that: A longitudinal mounting groove (22) is formed on the side wall of the second limiting plate (3) away from the positioning block (1); a rack (23) is connected to the inner wall of the longitudinal mounting groove (22); a meshing surface between the rack (23) and the gear (24) is arranged away from the adhesive tape (6); the gear (24) is mounted on a second rotating shaft (25); the second rotating shaft (25) is rotatably connected to a slider (26); the slider (26) is slidably connected to the longitudinal mounting groove (22) and a guide strip in the longitudinal mounting groove (22); and the bottom of the slider (26) is connected to the bottom wall of the longitudinal mounting groove (22) via a second spring (27).

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