Laryngoscope with electrical stimulation and pressure evaluation functions

Abstract

The invention provides a laryngoscope with electrical stimulation and pressure evaluation functions. The laryngoscope at least comprises a deformable catheter main body; the image acquisition module is mounted on the deformable catheter main body and is used for acquiring image data; the electrical stimulation module is mounted on the deformable catheter main body and is used for outputting electrical stimulation; the pressure acquisition module is mounted on the deformable catheter main body and is used for acquiring pressure data; the data processing module is electrically connected with the image acquisition module, the electrical stimulation module and the pressure acquisition module; at least one or more of the functions of controlling the electrical stimulation module to output stimulation current, forming an oropharynx image of a patient according to image data acquired by the image acquisition module and forming an oropharynx muscle group pressure value according to pressure data acquired by the pressure acquisition module can be realized; and the display module is electrically connected with the data processing module and at least can be used for displaying the oropharyngeal image and the oropharyngeal muscle group pressure value which are processed by the data processing module.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, in particular to a laryngoscope with electric stimulation and pressure evaluation functions. BACKGROUND

[0002] Functional electric stimulator refers to a therapeutic instrument applying low-frequency pulse current of a certain intensity to stimulate the limbs or organs that have lost function or partially lost function, through a pre-set program, to promote the function reconstruction or replace the function.

[0003] As shown in the prior art document with publication number CN 109350850 A, in order to treat swallowing disorders and the like, a pharyngeal cavity electric stimulation treatment device has appeared on the market, the main structure of which is a catheter with only electric stimulation, which has the following disadvantages: 1. Medical staff cannot accurately push the stimulating electrode to the treatment position, and the individual differences between different patients also make this process more difficult; 2. Medical staff cannot accurately judge the effectiveness of electric stimulation, nor can they effectively adjust the pulse width, frequency and intensity of electric stimulation for different patients; 3. The ordinary electric stimulation catheter does not have a steerable snake bone structure, and during the process of entering the pharyngeal cavity from the patient's nasal cavity, the catheter has physical stress, which aggravates the patient's discomfort. SUMMARY

[0004] In view of the above-mentioned disadvantages of the prior art, the purpose of the present application is to provide a laryngoscope with electric stimulation and pressure evaluation functions, which can at least solve one of the problems in the prior art.

[0005] To achieve the above-mentioned purposes and other related purposes, the present application provides a laryngoscope with electric stimulation and pressure evaluation functions, which can at least be used for electric stimulation treatment of swallowing disorders, the laryngoscope at least comprising: a deformable catheter body; an image acquisition module installed on the deformable catheter body and used for acquiring image data; an electric stimulation module installed on the deformable catheter body and used for outputting electric stimulation; a pressure acquisition module installed on the deformable catheter body and used for acquiring pressure data; a data processing module electrically connected with the image acquisition module, the electric stimulation module and the pressure acquisition module, which can at least realize one or more of the following functions: controlling the electric stimulation module to output stimulating current, forming an image of the patient's oropharynx according to the image data acquired by the image acquisition module, and forming a muscle group pressure value of the oropharynx according to the pressure data acquired by the pressure acquisition module; The display module is electrically connected with the data processing module and can at least be used for displaying the oropharyngeal image and the oropharyngeal muscle group pressure value processed by the data processing module.

[0006] In some embodiments, the electric stimulation module comprises: A plurality of pairs of stimulation electrodes are installed on the outer wall of the deformable catheter body and used for outputting variable current to apply electric stimulation to the oropharynx of the patient.

[0007] The pressure acquisition unit comprises: A thin film pressure sensor is installed on the outer wall of the deformable catheter body and corresponds to the stimulation electrode, and is used for acquiring pressure data of the oropharyngeal muscle group of the patient.

[0008] In some embodiments, the stimulation electrodes and the thin film pressure sensors corresponding thereto are distributed in a staggered manner on the outer periphery of the deformable catheter body.

[0009] In some embodiments, the image acquisition module comprises: A CMOS image sensor is installed at the leading end of the deformable catheter body and used for acquiring and outputting a digital image signal of the oropharynx of the patient; A light source module is installed at the leading end of the deformable catheter body and used for providing illumination for imaging of the CMOS image sensor.

[0010] In some embodiments, the deformable catheter body at least comprises: A snake bone catheter; A silica gel insulation layer is arranged on the outer periphery of the snake bone catheter; The stimulation electrodes and the thin film pressure sensors are installed on the outer side of the silica gel insulation layer in a conforming manner and the connecting pins extend into the silica gel insulation layer.

[0011] In some embodiments, both ends of the stimulation electrodes and the thin film pressure sensors are provided with metal connecting pins, and the metal connecting pins are packaged in the silica gel insulation layer by an injection molding process to achieve fixation.

[0012] In some embodiments, the laryngoscope with the functions of electric stimulation and pressure evaluation further comprises: A bending control module cooperates with the deformable catheter body and is used for realizing bending control of the deformable catheter body.

[0013] In some embodiments, the bending control module comprises: A bendable hose is sleeved in the snake bone catheter and connected with the inner wall of the snake bone catheter; A steel wire rope is sleeved in the bendable hose and the leading end thereof is fixedly connected with the leading end of the snake bone catheter; A snake bone catheter controller is installed at the tail end of the snake bone catheter and connected with the snake bone catheter or the steel wire rope, and is used for controlling the bending of the snake bone catheter.

[0014] Thus, the steel wire rope penetrates the bendable flexible tube, when the steel wire rope exerts a traction force on the end of the snake-shaped catheter controlled by the snake-shaped catheter controller, the bendable flexible tube and the snake-shaped catheter have a tendency to bend in the direction of the corresponding traction force, the three-dimensional bending motion can be realized by controlling the deformable catheter body, the flexible tube can flexibly pass through natural cavities such as the nose, mouth, throat and the like of the human body, and meanwhile, by controlling the turning of the snake-shaped catheter, the CMOS image sensor can also obtain a wider viewing angle.

[0015] In some embodiments, the data processing module comprises: a processor host; a first signal transmission cable for connecting the image acquisition module, the electric stimulation module, the pressure acquisition module and the processor host.

[0016] Thus, the signals acquired by the thin film pressure sensor and the CMOS image sensor can be transmitted to the processor host through the first signal transmission cable, and the electric stimulation current output by the processor host can be transmitted to the stimulation electrode through the first signal transmission cable.

[0017] In some embodiments, the display module comprises: a display; a second signal transmission cable for connecting the display and the processor host.

[0018] Thus, the second signal transmission cable is used for transmitting the signals processed by the processor host to the display for display, that is, the display can at least display the image of the oropharyngeal part of the patient and the muscle group pressure value of the oropharyngeal part.

[0019] The operation principle of the laryngoscope with electric stimulation and pressure evaluation function of the present application is as follows: After the device is turned on, the medical staff inserts the snake-shaped catheter from the nasal cavity of the patient, and the image in the cavity of the patient will be displayed on the display in real time, the medical staff can observe the tissue condition in the patient's body through the display, and better insertion of the snake-shaped catheter is controlled through the snake-shaped catheter controller, and further observation is carried out through the display to ensure that the stimulation electrode accurately reaches the muscle group to be stimulated; after the snake-shaped catheter reaches the corresponding position, the stimulation electrode outputs the preset electric stimulation current by adjusting the processing system host, and the muscle group pressure value on the display is observed, whether the electric stimulation current parameter needs to be adjusted is determined according to the pressure value, so as to achieve the purpose of effective treatment, after adjusting the parameter, electric stimulation is carried out again, and after completion, the treatment result can be further confirmed through the picture on the display.

[0020] As described above, the laryngoscope with electric stimulation and pressure evaluation function of the present application has the following beneficial effects: 1. The laryngoscope with electric stimulation and pressure evaluation function has a novel structure, compared with the traditional electric stimulation catheter scheme, the main structure of the laryngoscope is applied to a snake bone catheter, the turning function of the catheter is increased, so that the catheter can move more smoothly in the human body cavity, and the pain caused by the catheter entering the nasal cavity or pharyngeal cavity of the patient is reduced; 2. The CMOS image sensor and the light source are integrated at the tail end of the catheter to form an image acquisition module, medical staff can assist operation through the imaging function of the CMOS image sensor, so that the stimulation electrode can be quickly and accurately moved to the appropriate muscle group position, and the accuracy and pertinence of electric stimulation treatment are improved; 3. The CMOS image sensor and the thin film pressure sensor are arranged, image acquisition and pressure acquisition functions are integrated, and the collected data can be visualized through the display after being processed by the processor host, so that medical staff can intuitively know the muscle change image and muscle group pressure value change of the patient after receiving electric stimulation, the traditional electric stimulation catheter scheme can only evaluate the electric stimulation effect by the corresponding medical staff of the patient, after the scheme of the present application is adopted, medical staff can assist in evaluating the electric stimulation effect through CMOS imaging and pressure value, not only the evaluation accuracy is improved, but also the electric stimulation intensity can be flexibly adjusted according to the electric stimulation effect, the treatment effect is ensured, and individualized accurate treatment is realized; 4. Integration and reliability: through injection molding packaging and other processes, the sensor, electrode and other precision components are highly integrated in the small catheter front end, so that the integrity, sealing performance and biocompatibility of the equipment are ensured, and the reliability and service life of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a simplified system block diagram of the laryngoscope with electric stimulation and pressure evaluation function of the present application; Fig. 2 It is a simplified structure schematic diagram of the laryngoscope with electric stimulation and pressure evaluation function of the present application; Fig. 3 It is a simplified side view structure schematic diagram of the laryngoscope with electric stimulation and pressure evaluation function of the present application.

[0022] Figs. 1-3 Reference signs in the drawings: 1- deformable catheter body; 11- serpentine catheter; 12- silica insulation layer; 2- image acquisition module; 21- CMOS image sensor; 22- light source module; 3- electrical stimulation module; 31- stimulation electrode; 4- pressure acquisition module; 41- thin film pressure sensor; 5- data processing module; 51- processor host; 52- first signal transmission cable; 6- display module; 61- display; 62- second signal transmission cable; 7- bending control module; 71- steel wire rope; 72- serpentine catheter controller; 73- bendable hose; 8- metal connecting pin. DETAILED DESCRIPTION

[0023] Other advantages and effects of the present application can be easily understood by those skilled in the art from the description of the embodiments of the present application. The present application can also be implemented or applied in other different embodiments, and the details in the description can be modified or changed in various ways without departing from the spirit of the present application. It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict.

[0024] It should be noted that the drawings provided in the following embodiments only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the drawings, not the number, shape and size of the components when actually implemented. The actual implementation of each component may be a random change in type, number and proportion, and the layout type of the components may also be more complex.

[0025] Please refer to Figs. 1-3 The present application provides a laryngoscope with electrical stimulation and pressure evaluation functions, which belongs to the technical field of medical equipment and can overcome the shortcomings of traditional laryngoscopes, such as inaccurate positioning, difficult treatment evaluation, and strong patient discomfort.

[0026] As Figs. 1-3 shown, the present application provides a laryngoscope with electrical stimulation and pressure evaluation functions in one of the embodiments, which can at least be used for electrical stimulation treatment of swallowing disorders. The laryngoscope at least includes: a deformable catheter body 1; an image acquisition module 2 installed on the deformable catheter body 1 and used for acquiring image data; an electrical stimulation module 3 installed on the deformable catheter body 1 and used for outputting electrical stimulation; a pressure acquisition module 4 installed on the deformable catheter body 1 and used for acquiring pressure data; The data processing module 5 is electrically connected with the image acquisition module 2, the electric stimulation module 3 and the pressure acquisition module 4, and can at least realize one or more of the following functions: controlling the electric stimulation module 3 to output stimulation current, forming an image of the oropharynx of the patient according to image data acquired by the image acquisition module 2, and forming a pressure value of the muscle group of the oropharynx according to pressure data acquired by the pressure acquisition module 4. The display module 6 is electrically connected with the data processing module 5, and can at least be used for displaying the image of the oropharynx and the pressure value of the muscle group of the oropharynx processed by the data processing module 5.

[0027] Preferably, the electric stimulation module 3 comprises: A plurality of pairs of stimulation electrodes 31 are installed on the outer wall of the deformable catheter body 1 and used to output variable current to apply electric stimulation to the oropharynx of the patient.

[0028] Preferably, the pressure acquisition unit comprises: A thin film pressure sensor 41 is installed on the outer wall of the deformable catheter body 1 and corresponds to the stimulation electrode 31, and is used to acquire pressure data of the muscle group of the oropharynx of the patient.

[0029] Further preferably, the stimulation electrode 31 is 2 pairs, and the corresponding thin film pressure sensor 41 is 2.

[0030] Preferably, the image acquisition module 2 comprises: A CMOS image sensor 21 is installed at the leading end of the deformable catheter body 1 and used to acquire and output a digital image signal of the oropharynx of the patient; A light source module 22 is installed at the leading end of the deformable catheter body 1 and used to provide illumination for imaging of the CMOS image sensor 21.

[0031] Preferably, the deformable catheter body 1 at least comprises: A snake bone catheter 11; A silica gel insulation layer 12 is arranged on the outer periphery of the snake bone catheter 11; The stimulation electrode 31 and the thin film pressure sensor 41 are installed on the outside of the silica gel insulation layer 12 in a manner of adhesion, and the connecting pins extend into the silica gel insulation layer 12.

[0032] Preferably, both ends of the stimulation electrode 31 and the thin film pressure sensor 41 are provided with metal connecting pins 8, which are encapsulated in the silica gel insulation layer 12 by an injection molding process to achieve fixation.

[0033] As preferred, the stimulating electrodes 31 and the thin film pressure sensors 41 at the same position are distributed in a staggered manner on the outer periphery of the deformable catheter body 1, for example, a pair of stimulating electrodes 31 are arranged on the two side walls of the silicone insulation layer 12, and the thin film pressure sensor 41 is arranged on the bottom of the silicone insulation layer 12.

[0034] As preferred, the distance between the stimulating electrode 31 and the corresponding thin film pressure sensor 41 (the distance in the length direction of the serpentine catheter 11) is preferably 5mm.

[0035] As further preferred, the existing injection embedding process can be used to fix the CMOS image sensor 21 and the light source module 22 at the head end of the serpentine catheter 11, and the FPC flat cable process can be used to connect the electrical components such as the CMOS image sensor 21, the light source module 22, the stimulating electrode 31, and the thin film pressure sensor 41 with the first signal transmission cable 52 at the tail end of the serpentine catheter 11.

[0036] As preferred, the laryngoscope with the functions of electrical stimulation and pressure evaluation further comprises: The bending control module 7 cooperates with the deformable catheter body 1 to realize the bending control of the deformable catheter body 1.

[0037] As preferred, the bending control module 7 comprises: The bendable hose 73 is sleeved in the serpentine catheter 11 and connected with the inner wall of the serpentine catheter 11; The steel wire rope 71 is sleeved in the bendable hose 73 and fixedly connected with the head end of the serpentine catheter 11 at the head end; The serpentine catheter controller 72 is installed at the tail end of the serpentine catheter 11 and connected with the serpentine catheter 11 or the steel wire rope 71, for controlling the bending direction of the serpentine catheter 11.

[0038] Therefore, the steel wire rope 71 penetrates through the bendable hose 73, and when the serpentine catheter controller 72 controls the steel wire rope 71 to exert a traction force on the end of the serpentine catheter 11, the bendable hose 73 and the serpentine catheter 11 have a tendency to bend in the direction of the corresponding traction force, so that the three-dimensional bending movement of the deformable catheter body 1 can be realized, and the serpentine catheter 11 can be flexibly passed through natural cavities such as the nose, mouth, and throat of the human body. At the same time, by controlling the turning direction of the serpentine catheter 11, the CMOS image sensor 21 can also obtain a wider viewing angle.

[0039] The serpentine controller adopts the existing technology, and the core structure generally includes a shell, a support, a rotating wheel, and an anti-rotation piece. The specific structure is not described here.

[0040] As preferred, the data processing module 5 comprises: The processor host 51; A first signal transmission cable 52 is used to connect the image acquisition module 2, the electric stimulation module 3, the pressure acquisition module 4 and the processor host 51.

[0041] In this way, the signals acquired by the thin film pressure sensor 41 and the CMOS image sensor 21 can be transmitted to the processor host 51 through the first signal transmission cable 52, and the electric stimulation current output by the processor host 51 can be transmitted to the stimulation electrode 31 through the first signal transmission cable 52.

[0042] The processor host 51 at least comprises a processing chip, which is preferably a high-performance ARM processor (such as RK3588, RK3399, etc.) or an FPGA chip.

[0043] As a preferred, the display module 6 comprises: a display 61; a second signal transmission cable 62 is used to connect the display 61 and the processor host 51.

[0044] In this way, the second signal transmission cable 62 is used to transmit the signals processed by the processor host 51 to the display 61 for display, that is, the display 61 can at least display the image of the oropharyngeal part of the patient and the pressure value of the muscle group of the oropharyngeal part.

[0045] The operation principle of the laryngoscope with electric stimulation and pressure evaluation function of the present application is as follows: After the device is turned on, the medical staff inserts the snake bone catheter 11 from the nasal cavity of the patient, and the image in the cavity of the patient is displayed on the display 61 in real time. The medical staff can observe the tissue condition in the patient's body through the display 61, and control the snake bone catheter 11 to be inserted better by adjusting the snake bone catheter controller 72, and further observe through the display 61 to ensure that the stimulation electrode 31 accurately reaches the muscle group to be stimulated; after the snake bone catheter 11 reaches the corresponding position, the stimulation electrode 31 outputs the preset electric stimulation current by adjusting the processing system host, and the muscle group pressure value on the display 61 is observed, whether the electric stimulation current parameter needs to be adjusted is determined according to the pressure value, so as to achieve the purpose of effective treatment. After adjusting the parameters, electric stimulation is performed again, and after completion, the treatment result can be further confirmed through the picture on the display 61.

[0046] The terms involved in the present application are explained as follows: Functional electric stimulator: a therapeutic instrument that applies a certain intensity of low-frequency pulse current to stimulate the limbs or organs that have lost function or partially lost function under complete nerve innervation through a pre-set program to promote the function reconstruction or replace the function.

[0047] Pressure evaluation: a very thin and soft catheter is used, and a plurality of high-precision pressure sensors are integrated at the front end of the catheter.

[0048] The pharyngeal contraction pressure, the upper esophageal sphincter resting pressure, the upper esophageal sphincter relaxation pressure and the residual pressure are measured, the vague symptoms are converted into accurate pathophysiological indexes, the accurate diagnosis of dysphagia, the risk early warning, the individualized treatment and the objective curative effect evaluation are realized, and it is an indispensable link in the modern dysphagia diagnosis and treatment system.

[0049] Laryngoscope: It is a medical endoscope used for direct observation of the structure of the larynx (including vocal cords, epiglottis, and alar cartilage). It is one of the most core diagnostic and treatment tools in otolaryngology.

[0050] CMOS image sensor 21: A monolithic integrated optoelectronic sensor based on complementary metal oxide semiconductor technology that converts incident photons into electrons and directly outputs digital image signals through built-in signal processing circuit.

[0051] Thin film pressure sensor 41: A thin film type sensing device based on the deposition of a functional sensitive layer on a flexible substrate, which senses and quantifies external pressure signals by detecting changes in its electrical properties after being pressed.

[0052] The laryngoscope with electric stimulation and pressure evaluation function of the application has at least the following beneficial effects relative to the traditional laryngoscope: 1. The application provides a laryngoscope with a new structure and electric stimulation and pressure evaluation function. Compared with the traditional electric stimulation catheter scheme, the main structure of the application uses a snake bone catheter 11, which increases the steering function of the catheter, allowing it to move more smoothly in the human body cavity, reducing the pain caused by the catheter entering the patient's nasal cavity or pharyngeal cavity. 2. The CMOS image sensor 21 and light source are integrated at the end of the catheter to form an image acquisition module 2. Medical staff can assist in operation through the imaging function of the CMOS image sensor 21, making it easier to quickly and accurately move the stimulating electrode 31 to the appropriate muscle group position, improving the accuracy and relevance of electric stimulation treatment. 3. The application sets the CMOS image sensor 21 and thin film pressure sensor 41, integrates image acquisition and pressure acquisition functions, and the collected data can be visualized through the display 61 after being processed by the processor host 51, making it easier for medical staff to intuitively know the muscle change image and muscle group pressure value change of the patient after receiving electric stimulation. The traditional electric stimulation catheter scheme can only assess the electric stimulation effect by the corresponding attending physician, and after using the scheme of the application, medical staff can assist in evaluating the electric stimulation effect through CMOS imaging and pressure value, not only improving the evaluation accuracy, but also being able to flexibly adjust the electric stimulation intensity according to the electric stimulation effect, ensuring the treatment effect and realizing personalized precise treatment.

[0053] 4. Integration and reliability: through injection molding packaging process, the sensor, electrode and other precision components are highly integrated in the front end of the small catheter, which ensures the integrity, sealing and biocompatibility of the device, and improves the reliability and service life of the device.

[0054] The above embodiments only illustrate the principles and effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed by the present application should be covered by the claims of the present application.

Claims

1. A laryngoscope with electrical stimulation and pressure assessment functions, which can be used at least for electrical stimulation therapy of swallowing disorders, characterized in that, The laryngoscope includes at least: Deformable conduit body (1); An image acquisition module (2) is installed on the deformable conduit body (1) and is used to acquire image data; An electrical stimulation module (3) is installed on the deformable conduit body (1) and is used to output electrical stimulation; Pressure acquisition module (4) is installed on the deformable conduit body (1) and is used to acquire pressure data; The data processing module (5) is electrically connected to the image acquisition module (2), the electrical stimulation module (3), and the pressure acquisition module (4), and is capable of at least one or more of the following: controlling the output stimulation current of the electrical stimulation module (3), forming a patient's oropharyngeal image based on the image data acquired by the image acquisition module (2), and forming oropharyngeal muscle group pressure values ​​based on the pressure data acquired by the pressure acquisition module (4). The display module (6) is electrically connected to the data processing module (5) and is at least capable of displaying the oropharyngeal image and oropharyngeal muscle group pressure value obtained by the data processing module (5).

2. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 1, characterized in that, The electrical stimulation module (3) includes: Several pairs of stimulating electrodes (31) are mounted on the outer wall of the deformable catheter body (1) and are used to output current to apply electrical stimulation to the patient's oropharynx. The pressure acquisition unit includes: A thin-film pressure sensor (41) is installed on the outer wall of the deformable catheter body (1) and corresponds to the stimulation electrode (31) for collecting pressure data of the patient's oropharyngeal muscle group.

3. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 2, characterized in that, The stimulation electrode (31) and the corresponding thin-film pressure sensor (41) are distributed in an alternating manner on the outer periphery of the deformable catheter body (1).

4. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 3, characterized in that, The image acquisition module (2) includes: A CMOS image sensor (21) is installed at the head end of the deformable catheter body (1) and is used to acquire and output digital image signals of the patient's oropharynx. A light source module (22) is installed at the head end of the deformable conduit body (1) and is used to provide illumination for imaging of the CMOS image sensor (21).

5. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 4, characterized in that, The deformable catheter body (1) includes at least: Snake-like duct (11); A silicone insulating layer (12) is disposed on the outer periphery of the snake bone conduit (11); The stimulation electrode (31) and the thin-film pressure sensor (41) are mounted on the outside of the silicone insulating layer (12) in a bonded manner, and the connection pins extend into the silicone insulating layer (12).

6. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 5, characterized in that, Both ends of the stimulation electrode (31) and the thin film pressure sensor (41) are provided with metal connection pins (8), which are encapsulated in the silicone insulating layer (12) by injection molding to achieve fixation.

7. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 5 or 6, characterized in that, Also includes: The bending control module (7) cooperates with the deformable catheter body (1) to realize the bending control of the deformable catheter body (1).

8. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 7, characterized in that, The bending control module (7) includes: A flexible hose (73) is fitted inside the snake-bone conduit (11) and connected to the inner wall of the snake-bone conduit (11); A steel wire rope (71) is installed inside the flexible hose (73) and its head is fixedly connected to the head of the snake bone conduit (11); A snake-bone conduit controller (72) is installed at the end of the snake-bone conduit (11) and connected to the snake-bone conduit (11) or a wire rope (71) for controlling the bending of the snake-bone conduit (11).

9. The laryngoscope with electrical stimulation and pressure assessment functions according to any one of claims 1-6, characterized in that, The data processing module (5) includes: Processor host (51); The first signal transmission cable (52) is used to connect the image acquisition module (2), the electrical stimulation module (3), the pressure acquisition module (4) to the processor host (51).

10. The laryngoscope with electrical stimulation and pressure assessment functions according to claim 9, characterized in that, The display module (6) includes: Display (61); The second signal transmission cable (62) is used to connect the display (61) to the processor host (51).

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