Visual nasopharynx ventilation cannula

Abstract

The utility model discloses a visual nasopharynx ventilation sleeve which comprises an outer sleeve, an inner sleeve and a display box. The outer sleeve is an arc-shaped tube, the lower end of the outer sleeve is conical and is provided with a slope opening, a visible cannula core is movably inserted into the outer sleeve, the upper end of the outer arc surface of the outer sleeve is provided with a soft rubber clamping piece, and the middle of the soft rubber clamping piece is provided with a through hole; the inner sleeve is movably inserted into the outer sleeve and used for introducing air, and a first pull ring is arranged at the upper end of the inner sleeve; when the visual nasopharynx ventilation cannula is inserted, visual operation can be carried out through an image sensor and a display screen, meanwhile, the outer cannula is provided with a through hole so that the outer cannula and an adhesive tape can be conveniently positioned, the inner cannula can be pulled out for cleaning and disinfection after blockage, stimulation to nasal mucosa can be reduced, and the visual nasopharynx ventilation cannula is convenient to use. The visual nasopharynx ventilation sleeve has a good use effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is a visual nasopharyngeal ventilation cannula. BACKGROUND

[0002] Nasopharyngeal carcinoma is the common malignant tumor of head and neck, endoscopic surgery is the preferred treatment of recurrent nasopharyngeal carcinoma, after surgery, to keep the airway unobstructed, the routine is inserted nasopharyngeal ventilation tube from nasal cavity reaches pharynx, establishes an artificial airway, and the problem of patient's respiratory tract ventilation is not smooth or obstruction is alleviated, but the traditional nasopharyngeal ventilation tube structure is relatively simple, generally is single tube structure, is easily blocked by secretion, influences nasal ventilation, needs to be extracted after being blocked and cleaned and disinfected, and repeated pulling and inserting can stimulate nasal mucosa and cause edema, simultaneously, generally cannot see internal conditions when inserting, need to carry out blind insertion, and the smooth external ventilation tube lacks fixed point, and is easily taken out of nasal cavity when coughing, causes the pipe, and then the use effect is general. UTILITARIAN CONTENT

[0003] The utility model solves the technical problem of overcoming the defects of the prior art, provides a visual nasopharyngeal ventilation cannula, can use image sensor and display screen to carry out visual operation when inserting, the outer sleeve is provided with a through hole for positioning with adhesive tape, after being blocked, only the inner sleeve can be pulled out for cleaning and disinfection, the stimulation to nasal mucosa can be reduced, the visual nasopharyngeal ventilation cannula has good use effect, and the problems in the background art can be effectively solved.

[0004] To achieve the above object, the utility model provides the following technical scheme: a visual nasopharyngeal ventilation cannula, including outer sleeve, inner sleeve and display box;

[0005] The outer sleeve is an arc-shaped tube, the lower end of the outer sleeve is tapered, the lower end of the outer sleeve is provided with a beveled opening, and the visual cannula core is movably inserted into the inner part of the outer sleeve, the upper end of the outer arc surface of the outer sleeve is provided with a soft rubber card, and the middle part of the soft rubber card is provided with a through hole;

[0006] The inner sleeve is movably inserted into the inner part of the outer sleeve for air introduction, and the upper end of the inner sleeve is provided with a pull ring I;

[0007] The display box is used for displaying endoscopic images, and the visual operation can be carried out by using the image sensor and the display screen when inserting, the outer sleeve is provided with a through hole for positioning with the adhesive tape, the inner sleeve can be pulled out for cleaning and disinfection after being blocked, the stimulation to the nasal mucosa is reduced, and the visual nasopharyngeal ventilation cannula has good use effect.

[0008] Further, the upper end of the outer sleeve is provided with an outer sleeve head, the inner end of the outer sleeve head is provided with an annular groove, the upper end of the inner sleeve is provided with an inner sleeve head, the pull ring one is fixedly connected with the inner sleeve head, the middle part of the outer arc surface of the inner sleeve head is provided with an annular protrusion one, the upper end of the outer arc surface of the visible cannula core is provided with an annular protrusion two, the annular protrusion two and the annular protrusion one are matched with the annular groove, and the positioning between the pipelines is realized.

[0009] Further, the rear wall of the display box is provided with a battery, the rectangular hole of the front wall of the display box is provided with a display screen, the front end of the bottom wall of the display box is provided with a controller, the input end of the display screen is electrically connected with the output end of the controller, and the output end of the battery is electrically connected with the input end of the controller, so that the display of images is facilitated.

[0010] Further, the lower end of the visible cannula core is provided with an image sensor and an LED lamp, the image sensor is located below the LED lamp, the upper end is provided with a cable connector, and the inside is provided with a cable, the image sensor is located below the LED lamp, the image sensor is electrically connected with the controller through the cable, and the LED lamp is electrically connected with the controller through the cable, so that the image acquisition is facilitated.

[0011] Further, the central angle corresponding to the arc of the outer sleeve is 45-75 degrees, and the outer sleeve has a certain arc to facilitate the fitting with the airway of the human body.

[0012] Further, the upper end of the visible cannula core is provided with a pull ring two, so that the visible cannula core can be pulled out.

[0013] Further, the outer sleeve head is a flexible medical silica gel pipe, the outer sleeve and the inner sleeve are both transparent polyvinyl chloride pipes, the polyvinyl chloride pipe has appropriate hardness and good tissue compatibility, and the silica gel pipe has a certain flexibility to facilitate the connection of the internal pipeline.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows:

[0015] When inserted, the image sensor and the display screen can be used for visual operation, the outer sleeve is provided with a through hole to facilitate positioning with the adhesive tape, after plugging, only the inner sleeve can be pulled out for cleaning and disinfection, the stimulation to the nasal mucosa can be reduced, and the visual nasopharyngeal ventilation cannula has good use effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is an enlarged structural schematic diagram of A of the utility model;

[0018] Figure 3 It is a sectional structural schematic diagram of the outer sleeve of the utility model;

[0019] Figure 4 It is the enlarged structural schematic view of the place B of the utility model;

[0020] Figure 5 It is the sectional structural schematic view of the soft rubber card of the utility model;

[0021] Figure 6 It is the sectional structural schematic view of the display box of the utility model.

[0022] In the figure: 1 outer sleeve, 2 inner sleeve, 3 visible cannula core, 4 display box, 5 outer sleeve head, 6 inner sleeve head, 7 annular groove, 8 annular protrusion one, 9 pull ring one, 10 pull ring two, 11 battery, 12 display screen, 13 controller, 14 LED lamp, 15 soft rubber card, 16 through hole, 17 annular protrusion two, 18 image sensor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-6 The embodiment provides a technical scheme: a visual nasopharyngeal ventilation cannula, which comprises an outer sleeve 1, an inner sleeve 2 and a display box 4.

[0025] The outer sleeve 1 is an arc-shaped tube, the lower end of the outer sleeve 1 is tapered, the lower end of the outer sleeve 1 is provided with a beveled opening, the visible cannula core 3 is movably inserted into the inner part of the outer sleeve 1, the outer sleeve 1 and the visible cannula core 3 are inserted into the body from the nasal cavity, the upper end of the outer arc surface of the outer sleeve 1 is provided with a soft rubber card 15, the middle part of the soft rubber card 15 is provided with a through hole 16, the adhesive tape is passed through the through hole 16 and is bonded to the surface of the patient's body, so that the soft rubber card 15 and the outer sleeve 1 are fixed, the central angle corresponding to the circular arc of the outer sleeve 1 is 45-75 degrees, and the outer sleeve 1 has a certain arc to facilitate the matching with the airway of the human body, the upper end of the visible cannula core 3 is provided with a pull ring two 10, the pull ring two 10 facilitates the pulling out of the visible cannula core 3, the outer sleeve head 5 is an elastic medical silicone tube, has a certain elasticity, and facilitates the connection of the internal pipeline, the outer sleeve 1 and the inner sleeve 2 are both transparent polyvinyl chloride tubes, have appropriate hardness, and have good tissue compatibility;

[0026] Inner tube 2: Movably inserted inside the outer tube 1 for air introduction. The visible insert 3 is pulled out from inside the outer tube 1, and then the inner tube 2 is inserted into the outer tube 1 for nasopharyngeal ventilation. The upper end of the inner tube 2 is equipped with a pull ring 9, and the upper end of the outer tube 1 is equipped with an outer tube head 5. An annular groove 7 is formed inside the outer tube head 5. The upper end of the inner tube 2 is equipped with an inner tube head 6. The pull ring 9 is fixedly connected to the inner tube head 6. Pulling the pull ring 9 allows the inner tube 2 to be pulled out through the inner tube head 6 for cleaning and disinfection. After cleaning, it can be used along the outer tube... Inserting tube 1 reduces the irritation to the nasal mucosa caused by repeated removal and removal of the outer tube 1, and alleviates mucosal edema. The inner tube head 6 has an annular protrusion 8 in the middle of its outer arc surface. The inner tube head 6 and the outer tube head 5 are movably connected. The annular protrusion 8 on the inner tube head 6 is movably engaged with the annular groove 7, thereby achieving the positioning of the inner tube 2 and the outer tube 1. The upper end of the outer arc surface of the visible insert 3 has an annular protrusion 17. Both the annular protrusion 17 and the annular protrusion 8 are set to cooperate with the annular groove 7. After the annular protrusion 17 and the annular groove 7 are movably engaged, the outer tube 1 and the visible insert 3 are positioned.

[0027] Display box 4: Used for displaying endoscopic images. A battery 11 is located on the rear wall of display box 4. A display screen 12 is located at a rectangular hole on the front wall of display box 4. A controller 13 is located at the front end of the bottom wall of display box 4. The input terminal of the display screen 12 is electrically connected to the output terminal of the controller 13, and the output terminal of the battery 11 is electrically connected to the input terminal of the controller 13. An image sensor 18 and an LED light 14 are located at the lower end of the visual insertion tube core 3, and a cable connector is located at the upper end, with a cable inside. The image sensor 18 is located below the LED light 14. The image sensor 18 is electrically connected to the controller 13 via a cable, and the LED light 14 is electrically connected to the controller 13 via a cable. The controller 13 and the image sensor 18 are located below the LED light 14. The cable connector at the upper end of the visual cannula core 3 is connected to the connector on the display box 4 to power the image sensor 18 and the LED light 14, realizing the electrical connection between the image sensor 18, the LED light 14 and the controller 13. The LED light 14 works to provide illumination. The image sensor 18 acquires images of the inside of the body and transmits them to the controller 13. The controller 13 processes the video signal and sends it to the display screen 12 for display. The display screen 12 can then be used to view the situation inside the nasopharynx when the outer cannula 1 and the visual cannula core 3 are inserted, thus facilitating the visual operation of medical staff.

[0028] The working principle of the visual nasopharyngeal ventilation cannula provided by this utility model is as follows: During use, the cable connector at the upper end of the visual cannula core 3 is connected to the connector on the display box 4, supplying power to the image sensor 18 and LED light 14, thus achieving electrical connection between the image sensor 18, LED light 14, and controller 13. During use, the outer cannula 1 and the visual cannula core 3 are inserted into the body through the nasal cavity. Simultaneously, the controller 13 is activated, and the LED light 14 provides illumination. The image sensor 18 acquires images of the body and transmits them to the controller 13. The controller 13 processes the video signal and sends it to the display screen 12 for display. The display screen 12 allows viewing of the internal nasopharyngeal situation during insertion of the outer cannula 1 and the visual cannula core 3, facilitating visual operation by medical personnel. After insertion... Then, adhesive tape is used to adhere to the patient's skin through the through hole 16, thereby fixing the soft card 15 and the outer tube 1. Then, the visible insert 3 is pulled out from the inside of the outer tube 1, and the inner tube 2 is inserted into the inside of the outer tube 1. The inner tube head 6 and the outer tube head 5 are movably connected. The annular protrusion 8 on the inner tube head 6 is movably engaged with the annular groove 7, thereby positioning the inner tube 2 and the outer tube 1. Then, the inner tube 2 is used for nasopharyngeal ventilation. When the medical staff find that the patient's secretions are blocking the inner tube 2 and breathing is difficult, the pull ring 9 can be pulled. The pull ring 9 pulls out the inner tube 2 through the inner tube head 6 for cleaning and disinfection. After cleaning, it can be inserted along the outer tube 1, which can reduce the repeated pulling out of the outer tube 1 and the irritation to the nasal mucosa, and reduce mucosal edema.

[0029] It is worth noting that the battery 11, display screen 12, controller 13, image sensor 18 and LED light 14 disclosed in the above embodiments can be freely configured according to the actual application scenario. The image sensor 18 can be an image sensor of model OCH2B10, the core chip of the controller 13 can be a microcontroller of model STM32F407VET6, the display screen 12 can be a display screen of model YX07022611881 CB, and the LED light 14 can be an LED light of model FCT-1616WY36-S01. The controller 13 controls the operation of the display screen 12, image sensor 18 and LED light 14 using methods commonly used in the prior art.

[0030] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A visual nasopharyngeal ventilation cannula, characterized in that: It includes an outer sleeve (1), an inner sleeve (2), and a display box (4); Outer tube (1): It is an arc tube in shape. The lower end of the outer tube (1) is conical. The lower end of the outer tube (1) has a sloping opening. A visible insert core (3) is movably inserted into the inner part of the outer tube (1). A soft rubber card (15) is provided at the upper end of the outer arc surface of the outer tube (1). A through hole (16) is provided in the middle of the soft rubber card (15). Inner sleeve (2): It is movably inserted into the inside of the outer sleeve (1) for the introduction of air. The upper end of the inner sleeve (2) is provided with a pull ring (9). Display box (4): Used for displaying endoscopic images.

2. The visual nasopharyngeal ventilation cannula according to claim 1, characterized in that: The upper end of the outer sleeve (1) is provided with an outer sleeve head (5), and the inner side of the outer sleeve head (5) is provided with an annular groove (7). The upper end of the inner sleeve (2) is provided with an inner sleeve head (6). Pull ring one (9) is fixedly connected to the inner sleeve head (6). The middle part of the outer arc surface of the inner sleeve head (6) is provided with an annular protrusion one (8). The upper end of the outer arc surface of the visible insertion core (3) is provided with an annular protrusion two (17). The annular protrusion two (17) and the annular protrusion one (8) are both set to cooperate with the annular groove (7).

3. The visual nasopharyngeal ventilation cannula according to claim 1, characterized in that: The rear side wall of the display box (4) is provided with a battery (11), the front side wall of the display box (4) is provided with a display screen (12) at a rectangular hole, the bottom wall of the display box (4) is provided with a controller (13), the input end of the display screen (12) is electrically connected to the output end of the controller (13), and the output end of the battery (11) is electrically connected to the input end of the controller (13).

4. The visual nasopharyngeal ventilation cannula according to claim 3, characterized in that: The lower end of the visual insertion core (3) is provided with an image sensor (18) and an LED light (14), and the upper end is provided with a cable connector and a cable is provided inside. The image sensor (18) is located below the LED light (14). The image sensor (18) is electrically connected to the controller (13) through the cable, and the LED light (14) is electrically connected to the controller (13) through the cable.

5. A visual nasopharyngeal ventilation cannula according to claim 1, characterized in that: The central angle corresponding to the arc where the outer sleeve (1) is located is 45-75 degrees.

6. The visual nasopharyngeal ventilation cannula according to claim 1, characterized in that: The upper end of the visual insertion core (3) is provided with a pull ring 2 (10).

7. A visual nasopharyngeal ventilation cannula according to claim 2, characterized in that: The outer tube head (5) is an elastic medical silicone tube, and the outer tube (1) and inner tube (2) are both transparent polyvinyl chloride tubes.

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