CN220192981U

CN220192981U - Telescopic visual laryngoscope

Info

Publication number: CN220192981U
Application number: CN202321766081.7U
Authority: CN
Inventors: 姚优修; 王洁初; 曲音音; 徐懋
Original assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Current assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-12-19
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a telescopic visual laryngoscope, which comprises a handle (1), wherein the lower end of the handle (1) is connected with an outer lens tube (2), an inner lens tube (3) is connected in an inserted manner in the outer lens tube (2), an inner lens tube driving assembly is arranged in the handle (1), a snake bone tube (4) is arranged at one end, far away from the handle (1), in the inner lens tube (3), a camera (5) is arranged at the end part of the snake bone tube (4), a snake bone tube driving assembly is arranged in the inner lens tube (3), and an arc-shaped pressing plate (6) is arranged at the end part of the outer lens tube (2). The utility model can adjust the length of the laryngoscope tube, adjust the angle of the camera, improve the application range of the laryngoscope and reduce the operation difficulty of the laryngoscope.

Description

Telescopic visual laryngoscope

Technical Field

The utility model relates to a laryngoscope, in particular to a telescopic visual laryngoscope.

Background

At present, the medical laryngoscope mainly comprises a common laryngoscope and a visual laryngoscope, and the laryngoscope blade of the common laryngoscope is divided into a large model, a medium model, a small model and the like, so that the medical laryngoscope is convenient to be suitable for patients with different body types. But also comprises a Miller straight laryngoscope lens and a Macintosh bent laryngoscope lens, which are convenient for peeping the glottis of patients under different angles of mouth and throat. However, direct exposure of the glottis is still difficult at present due to anatomical variations of different patient individuals and the influence of disease factors such as ankylosing spondylitis, small mandible, obesity and the like. In recent years, the visual laryngoscope is popular in clinic, and has the advantages of improving the visual field of the common laryngoscope, reducing difficult intubation, and being widely applied because the visual field is clear and the glottis do not need to be peeped at a short distance.

However, the model of the lens of the visual laryngoscope is relatively fixed except the display screen, the angle of the camera is fixed, and the visual laryngoscope has great limitation in clinical application, is still a great challenge for medical staff when encountering the situations of high sound door, stiff neck, and the like, and can even evolve into an emergency airway after repeated intubation, thereby endangering the life of patients. The visual soft mirror in the current market is tubular visual field, and has no support of tongue depressor in front, and has large observation difficulty and poor accessibility, although the visual soft mirror can adjust the visual field angle.

Disclosure of Invention

The utility model aims to provide a telescopic visual laryngoscope, which solves the technical problems in the prior art, can adjust the length of a lens tube, can adjust the angle of a camera, improves the application range of the laryngoscope and reduces the operation difficulty of the laryngoscope.

The utility model provides a telescopic visual laryngoscope which comprises a handle, wherein the lower end of the handle is connected with an outer lens tube, an inner lens tube is connected in an inserted mode, an inner lens tube driving assembly is arranged in the handle, a snake bone tube is arranged at one end, far away from the handle, of the inner lens tube, a camera is arranged at the end part of the snake bone tube, a snake bone tube driving assembly is arranged in the inner lens tube, and an arc-shaped pressing plate is arranged at the end part of the outer lens tube.

In the aforementioned telescopic visual laryngoscope, preferably, the endoscope tube driving assembly comprises a first driving motor, a connecting block and a screw rod, wherein the endoscope tube is close to a first bracket arranged on the inner wall of one end of the handle, the connecting block is rotatably arranged on the first bracket, a second bracket is arranged at the bottom in the handle, the first driving motor is rotatably arranged on the second bracket, one end of the screw rod is fixedly connected with the output shaft of the first driving motor, and the other end of the screw rod is in threaded connection with the connecting block.

In the aforementioned telescopic visual laryngoscope, preferably, the top and the bottom outside the endoscope tube are respectively provided with a slide guiding rod, and the top wall and the bottom wall inside the outer endoscope tube are respectively provided with a slide guiding groove, and the slide guiding rods are in sliding fit with the slide guiding grooves.

In the aforementioned telescopic visual laryngoscope, preferably, the driving assembly for the snake bone tube comprises a second driving motor, a worm and a worm wheel, wherein the second driving motor is fixedly arranged on the inner wall of the endoscope tube, the worm is fixedly connected with an output shaft of the second driving motor, the worm wheel is rotatably arranged in the endoscope tube through a worm wheel shaft, and the worm wheel is meshed with the worm.

In the aforementioned telescopic visual laryngoscope, preferably, the snake bone tube is provided with a driving rope and an elastic rope, two sides of the worm wheel are provided with mounting sleeves, one end of the driving rope is fixedly connected with the outer wall of the mounting sleeve, and one end of the elastic rope is fixedly connected with the inner wall of the endoscope tube.

In the aforementioned telescopic visual laryngoscope, preferably, a display screen is provided at the top of the handle, and the display screen is rotationally connected with the handle.

Compared with the prior art, the endoscope comprises a handle, wherein the lower end of the handle is connected with an outer endoscope tube, the inner endoscope tube is connected with an inner endoscope tube in an inserting mode, an inner endoscope tube driving assembly is arranged in the handle, a snake bone tube is arranged at one end, far away from the handle, in the inner endoscope tube, a camera is arranged at the end portion of the snake bone tube, a snake bone tube driving assembly is arranged in the inner endoscope tube, and an arc-shaped pressing plate is arranged at the end portion of the outer endoscope tube. According to the utility model, the endoscope tube driving assembly is arranged to drive the endoscope tube to stretch and retract, so that the laryngoscope is suitable for patients with different sound door positions, and the intubation efficiency and success rate are improved. The angle of the camera is adjusted by arranging the snake bone tube driving assembly, so that the visual field range is improved.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an enlarged view of a portion of the present utility model.

Reference numerals illustrate: handle 1, outer lens tube 2, endoscope tube 3, snake bone tube 4, camera 5, arc clamp plate 6, first driving motor 7, connecting block 8, lead screw 9, first support 10, second support 11, second driving motor 12, worm 13, worm wheel 14, worm wheel shaft 15, drive rope 16, elastic cord 17, display screen 18, installation sleeve 19.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Embodiments of the utility model: as shown in fig. 1-3, a telescopic visual laryngoscope comprises a handle 1, wherein the lower end of the handle 1 is connected with an outer lens tube 2, an inner lens tube 3 is connected in the outer lens tube 2 in an inserting way, an inner lens tube driving component is arranged in the handle 1, a snake bone tube 4 is arranged at one end, far away from the handle 1, of the inner lens tube 3, a camera 5 is arranged at the end part of the snake bone tube 4, a snake bone tube driving component is arranged in the inner lens tube 3, and an arc-shaped pressing plate 6 is arranged at the end part of the outer lens tube 2.

The endoscope tube 3 and the outer endoscope tube 2 can adopt a straight tube structure, and also can adopt an arc tube structure as shown in the figure, when adopting an arc tube structure, the radian of the endoscope tube 3 and the radian of the outer endoscope tube 2 are the same, and the length of the outer endoscope tube 2 extending out of the endoscope tube 3 can be controlled by arranging an endoscope tube driving assembly, so that the total length of the endoscope tube is changed, patients with different sound door positions can use the endoscope tube, the angle of the snake bone tube 4 can be adjusted by arranging the snake bone tube driving assembly, the angle of the camera 5 is changed, and the visual field range is improved.

It should be noted that, components such as a battery and a PLC control circuit board are also arranged in the handle 1, a display screen 18 is arranged at the top of the handle 1, the display screen 18 is rotationally connected with the handle 1, and control keys are arranged on the outer wall of the handle 1. The display 18, the endoscope tube driving assembly, the snake bone tube driving assembly and the control keys are all electrically connected with the PLC control circuit board, and the battery, the PLC control circuit board and the control keys are all available in the prior art and can be purchased directly, so the utility model is not described in detail in this section.

Further, the endoscope tube driving assembly comprises a first driving motor 7, a connecting block 8 and a screw rod 9, a first support 10 is arranged on the inner wall of one end, close to the handle 1, of the endoscope tube 3, the connecting block 8 is rotatably mounted on the first support 10, a second support 11 is arranged at the bottom in the handle 1, the first driving motor 7 is rotatably mounted on the second support 11, one end of the screw rod 9 is fixedly connected with an output shaft of the first driving motor 7, and the other end of the screw rod 9 is in threaded connection with the connecting block 8.

When the first driving motor 7 works, the position of the endoscope tube 3 is changed under the cooperation of the screw rod 9 and the connecting block 8, so that the total length of the endoscope tube is changed. Here, both the endoscope 3 and the external endoscope 2 are square pipes or polygonal pipes.

In a preferred scheme, in order to ensure the smoothness of sliding of the endoscope tube 3 in the outer endoscope tube 2, guide sliding rods are arranged at the top and the bottom outside the endoscope tube 3, and guide sliding grooves are formed on the top wall and the bottom wall in the outer endoscope tube 2 and are in sliding fit with the guide sliding grooves. Through this structure setting, only lead the slide bar and contact with leading the spout, the outer wall of scope pipe 3 and the inner wall of outer scope pipe 2 are contactless to reduce sliding friction, make the movement of scope pipe 3 more smooth and easy.

Further, the snake bone tube driving assembly comprises a second driving motor 12, a worm 13 and a worm wheel 14, wherein the second driving motor 12 is fixedly arranged on the inner wall of the endoscope tube 3, the worm 13 is fixedly connected with an output shaft of the second driving motor 12, the worm wheel 14 is rotatably arranged in the endoscope tube 3 through a worm wheel shaft 15, and the worm wheel 14 is meshed with the worm 13. The snake bone tube 4 is provided with a driving rope 16 and an elastic rope 17, mounting sleeves 19 are formed on two sides of the worm wheel 14, one end of the driving rope 16 is fixedly connected with the outer wall of the mounting sleeve 19, and one end of the elastic rope 17 is fixedly connected with the inner wall of the endoscope tube 3.

In another embodiment, the snake bone tube 4 is a two-way adjustable snake bone tube, and two ropes on the snake bone tube are driving ropes, and the two driving ropes are wound on the worm wheel shaft 15. When the worm wheel shaft 15 rotates, one driving rope is wound, the other driving rope is released, and the snake bone pipe of the double driving ropes has the advantage of larger adjusting angle.

The working principle of the utility model is as follows: the working states of the first driving motor 7 and the second driving motor 12 are controlled by a control key (not shown in the figure) on the operating handle 1, when the first driving motor 7 works, the screw rod 9 rotates, and the screw rod 9 cooperates with the connecting block 8 to enable the inner lens tube 3 to move relative to the outer lens tube 2, so that the total length of the lens tube is changed. When the angle of the camera 5 needs to be adjusted, the second driving motor 12 is enabled to work, the second driving motor 12 rotates with the worm 13, the worm 13 drives the worm wheel 14 to rotate, the worm wheel 14 synchronously rotates with the worm wheel shaft 15, the worm wheel shaft 15 winds the driving rope 16, the snake bone pipe 4 turns upwards, when the second driving motor 12 reversely rotates, the worm wheel shaft 15 reversely rotates, the driving rope 16 is released, the snake bone pipe 4 turns downwards under the pulling force of the elastic rope 17, and therefore the angle adjustment of the camera 5 is achieved.

While the foregoing is directed to embodiments of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. A telescopic visual laryngoscope comprising a handle (1), characterized in that: the lower extreme of handle (1) is connected with outer mirror tube (2), outer mirror tube (2) interpolation is connected with endoscope tube (3), be provided with endoscope tube drive assembly in handle (1), keep away from in endoscope tube (3) snake bone pipe (4) are installed to the one end of handle (1), the tip of snake bone pipe (4) is equipped with camera (5), be provided with snake bone pipe drive assembly in endoscope tube (3), the tip of outer mirror tube (2) is equipped with arc clamp plate (6).

2. The telescopic visual laryngoscope according to claim 1, wherein: the endoscope tube driving assembly comprises a first driving motor (7), a connecting block (8) and a screw rod (9), wherein the endoscope tube (3) is close to a first support (10) arranged on the inner wall of one end of the handle (1), the connecting block (8) is rotatably installed on the first support (10), a second support (11) is arranged at the bottom in the handle (1), the first driving motor (7) is rotatably installed on the second support (11), one end of the screw rod (9) is fixedly connected with an output shaft of the first driving motor (7), and the other end of the screw rod (9) is in threaded connection with the connecting block (8).

3. The telescopic visual laryngoscope according to claim 1, wherein: the top and the bottom outside the endoscope tube (3) are respectively provided with a guide slide rod, guide slide grooves are respectively formed in the top wall and the bottom wall in the outer endoscope tube (2), and the guide slide rods are in sliding fit with the guide slide grooves.

4. The telescopic visual laryngoscope according to claim 1, wherein: the snake bone tube driving assembly comprises a second driving motor (12), a worm (13) and a worm wheel (14), wherein the second driving motor (12) is fixedly arranged on the inner wall of the endoscope tube (3), the worm (13) is fixedly connected with an output shaft of the second driving motor (12), the worm wheel (14) is rotatably arranged in the endoscope tube (3) through a worm wheel shaft (15), and the worm wheel (14) is meshed with the worm (13).

5. The telescopic visual laryngoscope according to claim 4, wherein: the snake bone tube (4) is provided with a driving rope (16) and an elastic rope (17), mounting sleeves (19) are formed on two sides of the worm wheel (14), one end of the driving rope (16) is fixedly connected with the outer wall of the mounting sleeve (19), and one end of the elastic rope (17) is fixedly connected with the inner wall of the endoscope tube (3).

6. The telescopic visual laryngoscope according to claim 1, wherein: the top of the handle (1) is provided with a display screen (18), and the display screen (18) is rotationally connected with the handle (1).