CN210446974U - High-speed dynamic laryngoscope device - Google Patents
High-speed dynamic laryngoscope device Download PDFInfo
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- CN210446974U CN210446974U CN201920828446.1U CN201920828446U CN210446974U CN 210446974 U CN210446974 U CN 210446974U CN 201920828446 U CN201920828446 U CN 201920828446U CN 210446974 U CN210446974 U CN 210446974U
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Abstract
The utility model discloses a high-speed dynamic laryngoscope device, which comprises an installation shell, an external imaging light path, a lens group, a high-speed camera and a controller; the external imaging optical path is arranged at the front end of the mounting shell and collects images of vocal cords; the lens group is arranged on the mounting shell through a lens adjusting mechanism and adjusts the imaging area and the focal length manually or automatically; the high-speed camera is arranged on the mounting shell and is far away from one end of the external imaging optical path, and is used for acquiring images of vocal cords acquired by the external imaging optical path and sending the images to the controller; the high-speed camera is used as a core element for shooting vocal cord vibration images, images in a single vocal cord vibration period process can be continuously shot, and period and non-periodic characteristics in the vibration process are displayed.
Description
Technical Field
The utility model relates to a laryngoscope technical field, concretely relates to high-speed developments laryngoscope device.
Background
Laryngoscopes are medical devices commonly used in oral cavity and tracheal medical procedures, and due to the fact that the laryngeal position is deep, the physiological structure is complex, direct observation cannot be achieved, and the laryngoscope is often used for laryngeal examination. While vocal cord sounding is a vibration process, the dynamic process cannot be observed and accurately recorded by a common laryngoscope.
For example, chinese patent CN201580077776.6 discloses a video laryngeal endoscope system with functions of plane scanning video recording and flash laryngoscope, which includes a laryngoscope for observing vocal cords; a light source for illuminating the vocal cords; a video camera having a beam splitter for splitting an image observed by the laryngoscope and the light source into two to obtain a plane scanogram image and a strobe image; a computer including a dual image capturing section that converts two video signals transmitted from the video camera into digital video signals, a storage section that stores the digital video signals, a control section that causes the video signals of the storage section to be analyzed to simultaneously display analysis results of the planar scanogram image and the strobe image in a display, and analysis software that analyzes the video signals of the storage section; and a display that simultaneously displays the planar scanogram image and the strobe image, and displays the analysis result.
In the prior art, a stroboscopic laryngoscope replaces a stable light source by a stroboscopic light source, so that the flashing frequency of the light source is matched with the vocal cord sounding frequency, the acquisition time interval of a camera image is set to be integral multiple of the vocal cord vibration period, and fixed phase delay is kept between adjacent images. This makes it possible to use images with a certain phase interval over a number of periods to patch the complete process of vocal cord vibration, but this technique does not show the non-periodic vibration characteristics of vocal cords.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned problem of current stroboscopic laryngoscope, the utility model aims at providing a high-speed dynamic laryngoscope device that both can gather vocal cords periodic vibration image and also can gather vocal cords aperiodic image, dynamic laryngoscope device it has simple structure, firm, convenient to use.
One aspect of the utility model provides a high-speed dynamic laryngoscope device, which comprises a mounting shell, an external imaging light path, a lens group, a high-speed camera and a controller; the external imaging optical path is arranged at the front end of the mounting shell and collects images of vocal cords; the lens group is arranged on the mounting shell through a lens adjusting mechanism and adjusts the imaging area and the focal length manually or automatically; the high-speed camera is installed on the installation shell and is far away from one end of the external imaging optical path, and the high-speed camera is used for collecting images of vocal cords collected by the external imaging optical path and sending the images to the controller.
Furthermore, the controller is connected with a single shooting timing device, and the single shooting timing device is used for controlling the opening and closing of the high-speed camera and the shooting time length.
Further, the lens group includes a front lens disposed at the front end of the mounting housing and a rear lens disposed at the rear end of the mounting housing.
Further, the front lens pass through the front lens mounting bracket set up in the front end of installation shell, the back lens pass through the back lens mounting bracket set up in the rear end of installation shell.
Further, the surface of the installation shell is provided with a scribed line.
Further, preceding camera lens pass through preceding camera lens mounting bracket set up in the front end of installation shell and gather the pixel area through preceding camera lens driving motor adjustment, the back camera lens pass through the back camera lens mounting bracket set up in the rear end of installation shell and through back camera lens driving motor adjustment imaging focal length.
Furthermore, the front lens driving motor is connected with a first motor driver, and the rear lens driving motor is connected with a second motor driver.
Further, the external imaging optical path comprises an external optical path, an illumination light source and an illumination optical fiber bundle; one end of the illumination optical fiber bundle is connected with the external light path, and the other end of the illumination optical fiber bundle is connected with the illumination light source.
Another aspect of the present invention provides a method for using a high-speed dynamic laryngoscope device, comprising the following steps:
s1, the external imaging optical path is arranged at the front end of the mounting shell and collects images of vocal cords; the lens group is arranged on the mounting shell through a lens adjusting mechanism and adjusts the imaging area and the focal length manually or automatically; the high-speed camera is mounted on the mounting shell, and one end of the high-speed camera, which is far away from the external imaging optical path, is used for acquiring images acquired by the external imaging optical path to vocal cords and sending the images to the controller;
s2, connecting the controller with a single shooting timing device, wherein the single shooting timing device is used for controlling the opening and closing of the high-speed camera and the shooting time length; when the single-shot timing device is used, manual operation is adopted, and external manual actions such as foot switch control are performed; when the controller is triggered, the vocal cord images collected by the high-speed camera are sent to the controller, the controller controls the single shooting timing device according to the vocal cord images collected by the external imaging light path and the external trigger signal of the controller, and then the high-speed camera is started to shoot continuous images at a certain time interval;
s3, the lens group comprises a front lens arranged at the front end of the mounting shell and a rear lens arranged at the rear end of the mounting shell; the front lens and the rear lens are manually or automatically adjusted; when the manual adjustment is carried out, the surface of the mounting shell is provided with a scribed line; according to the scribed line on the surface of the mounting shell, the front lens is moved to a proper position through the front lens mounting rack, and the area of the collected pixel is adjusted; then adjusting the imaging focal length of the rear lens through the rear lens mounting frame; during automatic adjustment, the controller drives through first motor drive ware control front lens driving motor according to the vocal cord image characteristic that outside formation of image light path was gathered the front lens mounting bracket and then drive the front lens is adjusted to suitable position, and the controller drives through second motor drive ware control back camera lens driving motor and drives back camera lens mounting bracket and then drive back camera lens adjustment imaging focal length.
Compared with the prior art, the beneficial effects of the utility model are that: the high-speed camera is used as a core element for shooting vocal cord vibration images, images of a single vocal cord vibration process can be continuously shot, and periodic and aperiodic characteristics in the vibration process are displayed. The size of a shooting area of the high-speed camera is set through the controller, and the imaging adjusting light path adjusts the appropriate imaging area and focal length according to the size of the shooting area of the high-speed camera.
The imaging adjusting light path can adopt two adjusting modes: either automatically or manually. In a manual adjustment mode, according to the scribed lines on the surface of the mounting shell, the front lens is moved to a proper position through the front lens mounting frame, and the area of the collected pixels is adjusted; then, the imaging focal length of the rear lens is adjusted through the rear lens mounting frame, so that the image shot by the high-speed camera is clear; in an automatic adjusting mode, the controller controls a front lens driving motor to drive a front lens mounting frame through a first motor driver according to vocal cord image characteristics acquired by an external imaging light path, so as to drive the front lens to be adjusted to a proper position, and a proper imaging area is ensured; the controller controls the rear lens driving motor to drive the rear lens mounting frame to adjust the imaging focal length according to the vocal cord image characteristics collected by the external imaging light path through the second motor driver, so that the focal length change caused by temperature rise of the device can be compensated in real time, and the definition of a shot image is ensured.
After the light path is adjusted, the controller sets proper single shooting time for the single shooting timing device, the single shooting timing device is started manually or in a controller triggering mode, and the high-speed camera continuously shoots vocal cord vibration period images for a certain time.
Drawings
Fig. 1 is a schematic structural view of the high-speed dynamic laryngoscope device of the utility model in a manual adjustment mode;
fig. 2 is a schematic structural view of the high-speed dynamic laryngoscope device according to the present invention in an automatic adjustment mode.
In the drawings: 1. the camera comprises a controller, 2, a high-speed camera, 3, a first motor driver, 4, a front lens driving motor, 5, a front lens mounting rack, 6, a front lens transmission screw rod, 7, a mounting shell, 8, an external light path, 9, a vocal cord, 10, an illumination light source, 11, an illumination optical fiber bundle, 12, a front lens, 13, a rear lens, 14, a rear lens transmission screw rod, 15, a rear lens mounting rack, 16, a rear lens driving motor, 17, a single-shot timing device and 18, and a second motor driver.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in the figure, a high-speed dynamic laryngoscope device comprises a mounting shell 7, an external imaging optical path, a lens group, a high-speed camera 2 and a controller 1; the external imaging optical path is arranged at the front end of the mounting shell 7 and collects images of the vocal cords 9; the lens group is arranged on the mounting shell through a lens adjusting mechanism and adjusts the imaging area and the focal length manually or automatically; the high-speed camera 2 is installed on the installation shell 7, and one end of the high-speed camera, which is far away from the external imaging optical path, is used for acquiring images of vocal cords acquired by the external imaging optical path and sending the images to the controller 1, and the external imaging optical path is fixed in position relative to the high-speed camera 2, so that the device is guaranteed to be firm and durable, wherein in the embodiment, the controller 1 can be a computer, a tablet or a mobile phone.
The controller 1 is connected with a single shooting timing device 17, the single shooting timing device 17 is used for controlling the opening, closing and shooting time length of the high-speed camera 2, after the adjustment of an external imaging optical path is completed, the controller 1 sets proper single shooting time for the single shooting timing device 17, then the single shooting timing device 17 is started manually or in a mode triggered by the controller 1, and the high-speed camera 2 continuously shoots vocal cord vibration images for a certain time; timing device 17 is shot to single, through outside artificial action like foot switch control when adopting manual control, during the mode is shot to controller 1, the vocal cord image that high-speed camera 2 gathered send to controller 1, controller 1 is according to the vocal cord image that outside formation of image light path gathered, and timing device 17 is shot to 1 trigger signal control single of controller, and then starts high-speed camera 2 and shoots the continuous image of certain time interval, avoids 2 single shooting processes of high-speed camera to gather a large amount of redundant images, consumes the memory.
The lens group includes a front lens 12 disposed at the front end of the mount case 7 and a rear lens 13 disposed at the rear end of the mount case 7.
As shown in fig. 1, when the lens group is manually adjusted, the front lens 12 is disposed at the front end of the mounting housing 7 through the front lens mounting bracket 5, and the rear lens 13 is disposed at the rear end of the mounting housing through the rear lens mounting bracket 15.
Scribed lines are arranged on the surface of the mounting shell 7 and respectively represent different imaging areas and corresponding focal length positions; under the manual adjustment mode, firstly, according to the scribed lines on the surface of the mounting shell, the front lens 12 is moved to a proper position through the front lens mounting rack 5, and the area of the collected pixels is adjusted; then, the imaging focal length of the rear lens 13 is adjusted through the rear lens mounting frame 15, so that the image shot by the high-speed camera 2 is clear.
As shown in fig. 2, when the lens group is automatically adjusted, the front lens 12 is disposed at the front end of the mounting housing 7 through the front lens mounting bracket 5 and the area of the collected pixels is adjusted through the front lens driving motor 4, and the rear lens 13 is disposed at the rear end of the mounting housing through the rear lens mounting bracket 15 and the imaging focal length is adjusted through the rear lens driving motor 16; the front lens driving motor 4 is connected with a first motor driver 3, and the rear lens driving motor 16 is connected with a second motor driver 18; in an automatic adjustment mode, according to the vocal cord image characteristics acquired by an external imaging optical path, the controller 1 controls the front lens driving motor 4 to drive the front lens mounting frame 5 and further drive the front lens 12 to be adjusted to a proper position through the first motor driver 3, so that a proper imaging area is ensured; controller 1 drives through second motor drive 18 control back camera lens driving motor 16 according to the vocal cord image characteristic that outside imaging light path gathered the focus is imaged in the adjustment of back camera lens mounting bracket 15, under the automatically regulated mode, still the focus that real-time compensation device temperature rise arouses changes, and is further, under the automatically regulated mode, be provided with drive screw on the installation shell 7, preceding camera lens mounting bracket 5 and back camera lens mounting bracket 15 are all in displacement on the drive screw.
The external imaging optical path comprises an external optical path 8, an illumination light source 10 and an illumination optical fiber bundle 11; one end of the illumination optical fiber bundle 11 is connected with the external light path 8, and the other end of the illumination optical fiber bundle is connected with the illumination light source 10 to provide an illumination light source for the outside.
Another aspect of the present invention provides a method for using a high-speed dynamic laryngoscope device, comprising the following steps;
s1, the external imaging optical path is arranged at the front end of the mounting shell 7 and collects the images of the vocal cords 9; the lens group is arranged on the mounting shell through a lens adjusting mechanism and adjusts the imaging area and the focal length manually or automatically; the high-speed camera 2 is mounted on the mounting shell 7, and one end of the high-speed camera, which is far away from the external imaging optical path, is used for acquiring images acquired by the external imaging optical path to vocal cords and sending the images to the controller 1;
s2, the controller 1 is connected with a single shooting timing device 17, and the single shooting timing device 17 is used for controlling the opening, closing and shooting time length of the high-speed camera 2; when the single-shot timing device 17 is used, the manual operation is adopted, and the external manual action such as foot switch control is carried out; when the controller 1 is in a triggering mode, the vocal cord images collected by the high-speed camera 2 are sent to the controller 1, the controller 1 controls the single shooting timing device 17 according to the vocal cord images collected by the external imaging optical path and external triggering signals of the controller 1, and then the high-speed camera is started to shoot continuous images at a certain time interval;
s3, the lens group comprises a front lens 12 arranged at the front end of the mounting shell 7 and a rear lens 13 arranged at the rear end of the mounting shell 7; the front lens 12 and the rear lens 13 are manually or automatically adjusted; when the manual adjustment is carried out, the surface of the mounting shell 7 is provided with a scribed line; according to the scribed line on the surface of the mounting shell, the front lens 12 is moved to a proper position through the front lens mounting rack 5, and the area of the collected pixel is adjusted; then, the imaging focal length of the rear lens 13 is adjusted through the rear lens mounting frame 15; during automatic adjustment, the controller 1 controls the front lens driving motor 4 to drive the front lens mounting rack 5 and further drive the front lens 12 to be adjusted to a proper position through the first motor driver 3 according to vocal cord image characteristics collected by an external imaging light path, and the controller 1 controls the rear lens driving motor 16 to drive the rear lens mounting rack 15 and further drive the rear lens 13 to adjust an imaging focal length through the second motor driver 18.
The high-speed camera is used as a core element for shooting vocal cord vibration images, images of a single vocal cord vibration process can be continuously shot, and periodic and aperiodic characteristics in the vibration process are displayed. The size of a shooting area of the high-speed camera is set through the controller, and the imaging adjusting light path adjusts the appropriate imaging area and focal length according to the size of the shooting area of the high-speed camera.
The utility model discloses a high-speed developments laryngoscope device, the light path is adjusted in the formation of image can adopt two kinds of regulative modes: either automatically or manually. In a manual adjustment mode, according to the scribed lines on the surface of the mounting shell, the front lens is moved to a proper position through the front lens mounting frame, and the area of the collected pixels is adjusted; then, the imaging focal length of the rear lens is adjusted through the rear lens mounting frame, so that the image shot by the high-speed camera is clear; in an automatic adjusting mode, the controller controls a front lens driving motor to drive a front lens mounting frame through a first motor driver according to vocal cord image characteristics acquired by an external imaging light path, so as to drive the front lens to be adjusted to a proper position, and a proper imaging area is ensured; the controller controls the rear lens driving motor to drive the rear lens mounting frame to adjust the imaging focal length according to the vocal cord image characteristics collected by the external imaging light path through the second motor driver, so that the focal length change caused by temperature rise of the device can be compensated in real time, and meanwhile, the shot image is guaranteed to be clear.
After the light path is adjusted, the controller sets proper single shooting time for the single shooting timing device, the single shooting timing device is started manually or in a controller triggering mode, and the high-speed camera continuously shoots vocal cord vibration images for a certain time.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A high speed dynamic laryngoscope apparatus characterised by: comprises a mounting shell (7), an external imaging light path, a lens group, a high-speed camera (2) and a controller (1); the external imaging optical path is arranged at the front end of the mounting shell (7) and collects images of a vocal cord (9); the lens group is arranged on the mounting shell through a lens adjusting mechanism and adjusts the imaging area and the focal length manually or automatically; the high-speed camera (2) is installed on the installation shell (7) and is far away from one end of the external imaging optical path, and the high-speed camera is used for acquiring images of vocal cords acquired by the external imaging optical path and sending the images to the controller (1).
2. A high speed dynamic laryngoscope apparatus according to claim 1, wherein: the controller (1) is connected with a single shooting timing device (17), and the single shooting timing device (17) is used for controlling the opening, closing and shooting time length of the high-speed camera (2).
3. A high speed dynamic laryngoscope apparatus according to claim 1, wherein: the lens group comprises a front lens (12) arranged at the front end of the mounting shell (7) and a rear lens (13) arranged at the rear end of the mounting shell (7).
4. A high speed dynamic laryngoscope apparatus according to claim 3, wherein: the front lens (12) is arranged at the front end of the mounting shell (7) through a front lens mounting frame (5), and the rear lens (13) is arranged at the rear end of the mounting shell through a rear lens mounting frame (15).
5. A high speed dynamic laryngoscope apparatus according to claim 4, wherein: the surface of the mounting shell (7) is provided with a scribed line.
6. A high speed dynamic laryngoscope apparatus according to claim 3, wherein: the front lens (12) is arranged at the front end of the mounting shell (7) through a front lens mounting frame (5) and is adjusted through a front lens driving motor (4) to acquire the pixel area.
7. A high speed dynamic laryngoscope apparatus according to claim 3, wherein: the rear lens (13) is arranged at the rear end of the mounting shell (7) through a rear lens mounting frame (15) and adjusts the imaging focal length through a rear lens driving motor (16).
8. A high speed dynamic laryngoscope apparatus according to claim 6, wherein: the front lens driving motor (4) is connected with a first motor driver (3).
9. The high speed dynamic laryngoscope device as recited in claim 7, wherein: the rear lens driving motor (16) is connected with a second motor driver (18).
10. A high speed dynamic laryngoscope apparatus according to claim 1, wherein: the external imaging optical path comprises an external optical path (8), an illumination light source (10) and an illumination optical fiber bundle (11); one end of the illumination optical fiber bundle (11) is connected with the external light path (8), and the other end of the illumination optical fiber bundle is connected with the illumination light source (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019202731762 | 2019-03-05 | ||
| CN201920273176 | 2019-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210446974U true CN210446974U (en) | 2020-05-05 |
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ID=70439648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920828446.1U Expired - Fee Related CN210446974U (en) | 2019-03-05 | 2019-06-04 | High-speed dynamic laryngoscope device |
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| Country | Link |
|---|---|
| CN (1) | CN210446974U (en) |
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2019
- 2019-06-04 CN CN201920828446.1U patent/CN210446974U/en not_active Expired - Fee Related
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Granted publication date: 20200505 |