WO2017022889A1 - 평면 스캔 비디오 카이모그라피와 후두 스트로보스코피 기능이 있는 비디오 후두 내시경 시스템 - Google Patents
평면 스캔 비디오 카이모그라피와 후두 스트로보스코피 기능이 있는 비디오 후두 내시경 시스템 Download PDFInfo
- Publication number
- WO2017022889A1 WO2017022889A1 PCT/KR2015/012027 KR2015012027W WO2017022889A1 WO 2017022889 A1 WO2017022889 A1 WO 2017022889A1 KR 2015012027 W KR2015012027 W KR 2015012027W WO 2017022889 A1 WO2017022889 A1 WO 2017022889A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- image
- video
- laryngeal
- vocal
- vocal cords
- Prior art date
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00193—Optical arrangements adapted for stereoscopic vision
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/042—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/045—Control thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
- A61B1/2673—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes for monitoring movements of vocal chords
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00006—Operational features of endoscopes characterised by electronic signal processing of control signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
Definitions
- the present invention relates to a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function. More specifically, a planar scan chymograph image and larynx are divided into two images that can be observed from one laryngoscope.
- the present invention relates to a planar scan video chymograph and a laryngeal stroboscopic video laryngoscope system capable of acquiring stroboscopic images simultaneously.
- the human larynx is a vocal organ for speech communication, which causes the vocal cords to oscillate about 100 to 350 times per second along the air flow of exhaled breath.
- the movement of the vocal cord mucosa becomes irregular and asymmetrical, or the vibration is reduced and worsened.
- the stroboscope essentially requires a light source, the strobe light shines intermittently rather than continuous to the moving object at high speed.
- the CCD camera acquires an image only while the light source is turned on and shows it on the monitor.
- the speed at which the strobe light source is controlled an image of an object moving at a low speed can be obtained.
- the conventional stroboscope has a problem that the light source device for producing an intermittent light emitting strobe light source has a large volume and weight, consumes a lot of power and is expensive in equipment.
- the conventional stroboscope has a problem that when the strobe light source is not synchronized with the sampling rate of the camera, the image is dark and the object cannot be clearly observed.
- 2D scanning videokymography (2D VKG) allows real-time inspection of vibrations in all areas of the vocal cords using the laryngeal photochymography principle to solve the problems of line scan video chymography and ultra-fast imaging methods.
- 2D VKG can avoid distortion caused by patient's movement, extract the subjective indicators from the computer software, quantify by minimizing user's interference, and compare the vibration patterns of all vocal cord areas. Observation and analysis of mucosal movements are possible.
- the vocal cords are distorted in diamond form to express all vocal cords, so they do not show actual vocal cord movements like laryngeal stroboscopy.
- An object of the present invention is to use a continuous light source instead of an intermittent light source in a rigid or curved laryngeal endoscope, by using a beam splitter to separate the image that can be observed in one laryngoscope into two images, two separated images It is to provide a video laryngeal endoscopy system that simultaneously provides projection to two camera modules and simultaneously provides planar scan chymograph function and laryngeal stroboscopy function to shoot vocal cords in two ways.
- An object of the present invention is a planar scanning (2D scanning) videokymography function and intermittent light emission that can extract in real time the vibration state of the entire vocal cord area, which is not a part of the vocal cord, and analyze the motion state of the mucosa of the entire vocal cord area.
- a first aspect of the present invention for achieving the above object is a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy, laryngoscope for observing the vocal cords, a light source for illuminating the vocal cords, separating the light source into two
- a video splitter having a beam splitter for obtaining a planar scan chymograph image and a stroboscopic image, a dual image capture unit for converting two video signals transmitted from the video camera into a digital image signal, and storing a digital image signal.
- a storage unit configured to analyze the image signals of the storage unit and simultaneously display the analysis results of the planar scan chymograph image and the stroboscopic image on a monitor; and a computer including analysis software analyzing the image signal of the storage unit; And the above rating And a monitor for simultaneously displaying a surface scan chymograph image and the stroboscopic image and displaying the analysis results.
- the video camera may include a first camera module for obtaining a planar scan chymograph and a second camera module for obtaining a stroboscopic image by scanning the vocal cord mucosa with a rolling shutter.
- the first camera module and the second camera module may have a shutter speed of 1/1000 second or more.
- the second camera module may acquire an optical signal provided by the light from the light source as an analog video signal, convert the analog video signal into a digital video signal, and adjust shutter time and sampling rate. .
- the light source may be a Xenon continuous light source.
- a second aspect of the present invention for achieving the above object is a method of analyzing the laryngeal motion state performed in a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function, (a) laryngoscope, light source, and video Storing a chymograph image of the vocal cords using the camera and a stroboscopic image of the movements of the vocal cords in the storage unit through the dual image capture unit, and (b) the controller controls a predetermined number of image frames in the storage unit.
- the vocal cords or the vocal cords are uttered to photograph the movements of the entire vocal folds and the motion state of the vocal tracts. Can be.
- step (c) as the normalized index, the average vocal cord width to the length of the vocal tract longitudinal, the gate opening rate that is the ratio of the vocal cord opening period to the entire period, the asymmetry index that is the difference between the openings of the vocal cords, fundamental frequency, vibration Strength, regularity of vibration, mucosal wave, symmetry of vibration, outer boundary shape, medial boundary shape, abnormal periods, or vibrational loss of vocal cord mucosa.
- the present invention it is possible to compare the planar scan chymograph image and the stroboscopic image in the entire region of the vocal cords in real time, so that it is easy to diagnose the laryngeal movement and follow up the prognosis.
- the configuration is simple and the volume and weight are economically advantageous effects, and the flat scan chymograph image and laryngeal stroboscopy image can be simultaneously acquired and observed with one shot. Accurate analysis of one parameter is possible, and therefore there is an effect that can be used by many in more fields medically or industrially.
- FIG. 1 is a schematic diagram for explaining the principle of line scanning videokymography according to the prior art.
- FIG. 3 is a schematic block diagram of a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function according to a preferred embodiment of the present invention.
- FIGS. 4 to 5 are schematic diagrams for explaining the principle of planar scan chamograph used in the present invention
- Figure 4 is the entire vocal cord, that is, the principle of the planar scan
- Figure 5 shows an image of the entire vocal cord scanned.
- FIG. 6 is a flowchart illustrating a method of analyzing laryngeal motion state by a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function according to a preferred embodiment of the present invention.
- FIG. 11 is a comparative image of a line scan chamograph according to the prior art and a planar scan chamograph according to the present invention.
- FIG. 12 shows an image screen captured by a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function according to the present invention.
- a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function for laryngeal motion state may include a laryngoscope 10, a light source 20, a video camera 30, a computer ( 40) and a monitor (not shown).
- the video camera 30 includes a beam splitter 32, a first camera module 34, and a second camera module 36
- the computer 40 includes a dual image capture unit 42, a storage unit. 44, a controller 46, and analysis software 48.
- the laryngoscope 10 is a mechanism capable of observing the vocal cords, and is connected to the video camera 30 to capture images of the larynx including the vocal cords and the vocal cords.
- the laryngoscope 10 may be both rigid and curved. In one embodiment, the laryngoscope 10 may be integrally implemented with the video camera 30 to be described below.
- the video camera 30 is a device for recording and storing an image observed from the laryngoscope 10. More specifically, the video camera 30 includes a beam splitter 32 to separate the images taken from the laryngoscope 10 into two, and each of the two divided images is divided into a first camera module 34 and a second camera. Projected onto module 36 to extract planar scan chymographies and stroboscopy.
- the first camera module 34 extracts a planar scan chymograph, not a line scan chymograph method according to the prior art.
- the first camera module 34 will be described in more detail below with reference to FIGS. 4 to 5.
- the second camera module 36 obtains a stroboscopic image by processing and observing an image of a laryngeal gate of a high speed periodic motion. More specifically, the second camera module 36 acquires the corresponding optical signal as an analog image signal by the image obtained from the laryngoscope 10 and the light source 20, and converts the analog image signal into a digital image signal, Adjust the shutter time and sampling rate. That is, one periodic component of the repeated motion can be completely extracted by sampling the periodic motion of the object repeated on the highway at a suitable low speed through the second camera module 36.
- the second camera module 36 may be implemented as a CCD camera, and the function of the second camera module 36 is implemented through a digital signal process (DSP) in a camera of a full HD image.
- DSP digital signal process
- the second camera module 36 images the glottal movement according to the adjusted shutter time and sampling rate, and digitizes the analog image. More specifically, the smaller the shutter time of the second camera module 36 is better, and when the shutter time is large, one image is obtained as a continuous image rather than a still image, and the observer clearly observes the state of periodic movement of the object. You will not be able to.
- the second camera module 36 may adjust the shutter time according to the brightness of the light source 20, adjust the sampling rate, and move at a high speed to perform movement of the laryngeal gate that cannot be observed with the naked eye. You can make it look like a slow motion image or a still image. That is, it can be observed whether the larynx is closed and opened correctly. For example, if the laryngeal gate opens and closes about 100 to 250 times per second during vocalization, the shutter time of the second camera module 36 is at least 0.35 cycles or less (more preferably, 0.1 cycles) when analyzing the gate movement of the larynx.
- the sampling rate may be adjusted to accurately observe the glottal motion output to the monitor 50.
- a process of continuously outputting a sequential still image through the monitor 50 may be repeated.
- the second camera module 36 is not a stroboscope method using an intermittent light source according to the prior art, but extracts a better stroboscopic image in terms of performance since the object can be clearly observed using the continuous light source 20. do.
- the computer 40 is a general purpose personal computer and includes a dual image capture unit 42, a storage unit 44, a control unit 46, and analysis software 48.
- the dual image capture unit 42 is a form of an image capture board, and converts a video signal transmitted from the video camera 30 into a digital image signal that the computer 40 can process. It is possible to use a general-purpose video signal processing board which is easy to edit various images.
- an auxiliary substrate form that can be inserted into the main board expansion bus of the computer 40 in the form of a slot may be used.
- the controller 46 of the computer 40 stores the digital image signal transmitted from the dual image capturing unit 42, for example, 25 to 30 frames per second in the storage unit 44, and then, The analysis software 48 is controlled for analysis. That is, the controller 46 analyzes the image signal transferred to the storage unit 44 and analyzes the planar scan chymograph image and the stroboscopic image on the monitor (not shown), that is, the vibration state of the vocal cords and the motion state of the vocal cords. Visualize and display quantified clinical indicators for vocal cords and glottals.
- FIG. 4 to 5 are diagrams for explaining the principle of planar scan chymographies used in the present invention.
- the entire vocal cord i.e., planar scan
- the entire vocal cord is made by placing the first camera module 34 of the video camera 30 stationary and scanning the vocal cord mucosa through the gap of the moving slit for planar scan chymography. Will be able to.
- a thin slit shutter moves in the plane of the vocal cord image, and the film is exposed during that time.
- the image obtained by this procedure shows a dynamic image of the entire larynx, since several rows of images captured at different time stages are sequentially shown as a whole image for the entire laryngeal image.
- the first camera module 34 of the video camera 30 has a high sensitivity and high resolution, and has a rolling shutter.
- the first camera module 34 may use a rolling shutter type CMOS camera module, and in order to increase the resolution of the image, the shutter speed may be set to a high speed of 1/1000 sec or more.
- high sensitivity and high brightness light sources may be used as the light source 20 to brighten the screen.
- a very bright Xenon light source is used as the light source 20 for illuminating the vocal cords.
- the light source 20 may use the very bright xenon continuous light source, not the intermittent light source (strobo light source) used in the conventional stroboscopic method.
- a specific sound (acute or loud) in a comfortable state is used for patients with normal or vocal cord function.
- a predetermined number of images recorded in a predetermined format for example, AVI method, for example, 25 to 30 frames of video per second are recorded, reproduced, and output.
- a dual image capture unit includes a chymograph image of capturing the movement of the vocal cords and a stroboscopic image capturing the movement of the vocal cords using the laryngoscope 10, the light source 20, and the video camera 30.
- the data is stored in the storage unit 44 of the computer 40 via the step 42 (step S210).
- the entire vocal cords are taken without being vocalized, and then a motion of the entire vocal folds is recorded by causing the ear or uterus to utter.
- the stroboscope image can be obtained by observing the motion state of the gate.
- control unit 46 of the computer 40 configures a predetermined number of frames of the storage unit 44 as a still image on a monitor for each frame, and allows the user to select a frame to be observed with a mouse or a keyboard.
- a menu screen is constructed and displayed (step S220).
- the analysis software 48 of the computer 40 then analyzes the chymograph image and the stroboscopic image to normalize various indicators of the vocal cords and vocal cords observed, e.g., the average vocal cord width, vocal cord opening for the vocal tract length.
- Glottal opening rate which is the ratio of period to total period
- asymmetry index which is the difference in the degree of opening of both vocal cords, fundamental frequency, vibration intensity, regularity of vibration, mucosal wave, symmetry of vibration, outer boundary shape, inner boundary shape, period abnormality
- the vibration loss of the vocal cord mucosa is normalized and displayed (step S230). This allows for more objective and accurate state assessment.
- FIGS. 8 to 10 show a planar scan chymograph image screen captured by a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function of the present invention.
- 8 to 10 are planar scan chymogram image screens of a normal adult male during utterance, in which a series of 25 to 30 frames of a video image stored in a digital format is stored using a dual image capture unit 42. After moving to the storage unit 44, it was displayed on a monitor (not shown).
- FIG. 8 is a planar scan chymogram image screen at the time of a normal man's bass vocalization
- FIG. 9 is a plane scan chymogram image screen at the time of a normal man's treble vocalization
- FIG. 10 is a falsetto voice utterance of a normal man. Planar scan of chymogram video screen.
- FIG. 11 is a comparison image of a line scan video chimograph (a) according to the prior art and a planar scan video chimograph (b) according to the present invention.
- FIG. 11A is a line scan chymograph which photographs the movement of a part of the vocal cords.
- the disadvantage of (a), which is an image according to the prior art, is that it is an evaluation of a portion of the line unless the entire vocal cord is observed. In other words, when a subject speaks once, only a kymogram of one line can be obtained, and since the movement of the entire region cannot be observed during the acquisition, a criterion for properly determining the distortion caused by the movement of the patient is provided. There are problems such as no.
- Figure 11 (b) is a planar scan chymograph image of the present invention to capture the movement of the entire portion of the vocal cords. (b) According to the image (a) to compensate for the shortcomings of the image can observe the movement of the entire vocal cord in real time, it is possible to minimize the distortion caused by the movement of the patient.
- FIG. 12 illustrates an image screen captured by a video laryngeal endoscope system having a planar scan video chymograph and laryngeal stroboscopy function according to the present invention.
- planar scan video chymograph and a video laryngeal endoscope system having a laryngeal stroboscopy function may be simultaneously acquired.
- FIG. 12 which illustrates the concept of an image that can be obtained through the present invention
- a scan chymograph image and a stroboscopic image are acquired simultaneously, and a stroboscopic image is arranged on the left side and a planar scan chymograph image on the right side, and is displayed as shown in FIG. 12A so that an observer can simultaneously view both images.
- the placement of the planar scan chymography image and the stroboscopic image may be changed by the observer's settings.
- the image on the left is a stroboscopic image
- the image on the right is a planar scan chymograph image.
- two images can be simultaneously acquired and displayed simultaneously, so that the state of the larynx can be determined more objectively and accurately.
- the present invention provides a light source 20, a beam splitter 32, a first camera module 34, and The video camera 30 including the second camera module 36 may be used to simultaneously acquire and display a stroboscopic image and a planar scan chymograph image.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Otolaryngology (AREA)
- Physiology (AREA)
- Pulmonology (AREA)
- Signal Processing (AREA)
- Endoscopes (AREA)
Abstract
Description
Claims (8)
- 평면 스캔 비디오 카이모그라피와 후두 스트로보스코피 기능이 있는 비디오 후두 내시경 시스템에 있어서,성대를 관찰하는 후두경;성대를 비추기 위한 광원;상기 후두경 및 상기 광원을 통해 관찰된 영상을 두 개로 분리시키는 빔 스플리터를 구비하여, 평면 스캔 카이모그라피 영상 및 스트로보스코피 영상을 획득하는 비디오 카메라;상기 비디오 카메라로부터 전송되는 두 개의 비디오 신호를 디지털 영상 신호로 변환하는 듀얼 이미지 캡처부, 디지털 영상 신호를 저장하는 저장부, 상기 저장부의 영상 신호를 분석하게 하여 모니터에 상기 평면 스캔 카이모그라피 영상 및 스트로보스코피 영상에 대한 분석 결과를 동시에 디스플레이하는 제어부, 및 상기 저장부의 영상 신호를 분석하는 분석 소프트웨어를 포함하는 컴퓨터; 및상기 평면 스캔 카이모그라피 영상 및 상기 스트로보스코피 영상을 동시에 디스플레이하고, 상기 분석 결과를 디스플레이하는 모니터를 포함하는 비디오 후두 내시경 시스템.
- 제1항에 있어서, 상기 비디오 카메라는롤링 셔터를 구비하여 성대 점막을 스캔함으로써 평면 스캔 카이모그라피를 획득하는 제1 카메라 모듈; 및스트로보스코피 영상을 획득하는 제2 카메라 모듈을 포함하는 것을 특징으로 하는 비디오 후두 내시경 시스템.
- 제2항에 있어서, 상기 제1 카메라 모듈 및 상기 제2 카메라 모듈은셔터 스피드를 1/1000초 이상으로 하는 것을 특징으로 하는 비디오 후두 내시경 시스템.
- 제2항에 있어서, 상기 제2 카메라 모듈은상기 후두경과 상기 광원으로부터 얻어지는 영상에 의해 제공되는 광학적 신호를 아날로그 영상신호로 취득하고, 상기 아날로그 영상신호를 디지털 영상신호로 변환하고, 셔터 타임 및 샘플링 속도를 조절하는 것을 특징으로 하는 비디오 후두 내시경 시스템.
- 제1항에 있어서, 상기 광원은 제논(Xenon) 연속 광원인 것을 특징으로 하는 비디오 후두 내시경 시스템.
- 평면 스캔 비디오 카이모그라피와 후두 스트로보스코피 기능이 있는 비디오 후두 내시경 시스템에서 수행되는 후두 운동 상태의 분석방법에 있어서,(a) 후두경, 광원, 및 비디오 카메라를 이용하여 성대의 움직임을 촬영한 카이모그라피 영상 및 성문의 움직임을 촬영한 스트로보스코피 영상을 듀얼 이미지 캡처부를 통하여 저장부에 저장하는 단계;(b) 제어부는 저장부의 소정 개수의 영상 프레임을 프레임별로 구성하여 모니터에 디스플레이하고, 사용자가 관찰을 원하는 프레임을 마우스나 키보드로 선택할 수 있도록 메뉴 화면을 구성하여 디스플레이하는 단계; 및(c) 분석 소프트웨어는 상기 카이모그라피 영상 및 스트로보스코피 영상을 분석하여 관찰된 성대 및 성문에 대한 정규화된 지표를 동시에 디스플레이하는 단계를 포함하는 후두 운동 상태의 분석방법.
- 제6항에 있어서, 상기 (a) 단계에서,발성하지 않는 상태로 성대 및 성문 전 부위를 촬영한 후, "이" 또는 "에" 를 발성하게 하여 성대 진동부 전 부위의 움직임 및 성문의 운동 상태를 촬영하는 것을 특징으로 하는 후두 운동 상태의 분석방법.
- 제6항에 있어서, 상기 (c) 단계에서,정규화된 지표로서 성문 종축 길이에 대한 평균 성대폭, 성대개방 기간과 전체 기간의 비율인 성문 개방율, 양쪽 성대의 열리는 정도 차이인 비대칭 지수, 기본주파수, 진동 강도, 진동의 규칙성, 점막 파동, 진동의 대칭성, 외측 경계 모양, 내측 경계 모양, 주기 이상, 또는 성대점막의 진동소실을 포함하는 것을 특징으로 하는 후두 운동 상태의 분석방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/557,866 US10888218B2 (en) | 2015-08-05 | 2015-11-10 | Video laryngeal endoscope system including 2D scan video kymography and laryngeal stroboscopy |
CN201580077776.6A CN107427197B (zh) | 2015-08-05 | 2015-11-10 | 具有平面扫描视频记波和频闪喉镜功能的视频喉内窥镜系统 |
JP2017548405A JP6541795B2 (ja) | 2015-08-05 | 2015-11-10 | 平面スキャンビデオキモグラフィーと喉頭ストロボスコピー機能があるビデオ喉頭内視鏡システム |
EP15900475.3A EP3332691B1 (en) | 2015-08-05 | 2015-11-10 | Video laryngoscope system with flat scan video kymography and laryngeal stroboscopy functions |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0110592 | 2015-08-05 | ||
KR1020150110592A KR101717362B1 (ko) | 2015-08-05 | 2015-08-05 | 평면 스캔 비디오 카이모그라피와 후두 스트로보스코피 기능이 있는 비디오 후두 내시경 시스템 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017022889A1 true WO2017022889A1 (ko) | 2017-02-09 |
Family
ID=57943952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2015/012027 WO2017022889A1 (ko) | 2015-08-05 | 2015-11-10 | 평면 스캔 비디오 카이모그라피와 후두 스트로보스코피 기능이 있는 비디오 후두 내시경 시스템 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10888218B2 (ko) |
EP (1) | EP3332691B1 (ko) |
JP (1) | JP6541795B2 (ko) |
KR (1) | KR101717362B1 (ko) |
CN (1) | CN107427197B (ko) |
WO (1) | WO2017022889A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109793486A (zh) * | 2017-11-16 | 2019-05-24 | 卡尔史托斯影像有限公司 | 改进的声带频闪摄影检查 |
CN110074749A (zh) * | 2019-03-05 | 2019-08-02 | 天津欧斯迪医疗科技有限公司 | 一种高速动态喉镜装置及其使用方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102006208B1 (ko) * | 2017-09-26 | 2019-10-01 | (주)참메드 | 후두 스트로보스코피 및 그 촬영 방법 |
US11944273B2 (en) * | 2019-06-20 | 2024-04-02 | Cilag Gmbh International | Fluorescence videostroboscopy of vocal cords |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990079315A (ko) * | 1998-04-03 | 1999-11-05 | 박광석 | 성대 점막 운동 상태의 분석을 위한 비디오스트로보카이모그라피 |
US20030139666A1 (en) * | 2000-03-03 | 2003-07-24 | Holger Klemm | Method and device for the stroboscopic recording and reproduction of repetitive processes |
KR100602498B1 (ko) * | 2005-01-25 | 2006-07-24 | 유메디칼 주식회사 | 엘이디를 광원으로 사용하는 휴대용 후두 스트로보스코프 |
US20090281390A1 (en) * | 2006-05-26 | 2009-11-12 | Stichting Voor De Technische Wetenschappen | Optical Triggering System For Stroboscopy, And A Stroboscopic System |
KR20140115526A (ko) * | 2013-03-21 | 2014-10-01 | 김태우 | 성대 점막 운동 상태의 분석을 위한 평면 스캔 비디오카이모그라피 시스템을 이용한 성대 점막 운동 상태의 분석방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5469280A (en) * | 1977-11-14 | 1979-06-04 | Asahi Optical Co Ltd | Laryngeal strobescope |
JP4027603B2 (ja) * | 2001-01-18 | 2007-12-26 | ペンタックス株式会社 | 内視鏡用光源システムおよび内視鏡 |
DE102004011147B3 (de) * | 2004-03-08 | 2005-11-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Bildaufnahmevorrichtung mit mehreren Bildaufnahmemodi |
US20060235693A1 (en) * | 2005-04-19 | 2006-10-19 | Incrys, Inc. | High speed imaging system |
DE102006008990B4 (de) * | 2006-02-23 | 2008-05-21 | Atmos Medizintechnik Gmbh & Co. Kg | Verfahren und Anordnung zur Erzeugung eines dem Öffnungszustand der Stimmlippen des Kehlkopfes entsprechenden Signals |
US7654952B2 (en) * | 2006-05-10 | 2010-02-02 | Ciro Timoteo Ott | Videolaryngostroboscope |
US8698812B2 (en) * | 2006-08-04 | 2014-04-15 | Ati Technologies Ulc | Video display mode control |
US8167793B2 (en) * | 2008-04-26 | 2012-05-01 | Intuitive Surgical Operations, Inc. | Augmented stereoscopic visualization for a surgical robot using time duplexing |
DE102009060500B4 (de) * | 2009-12-22 | 2015-12-17 | Xion Gmbh | Verfahren zur stroboskopischen Untersuchung sich wiederholender Vorgänge und Anordnung zum Betreiben dieses Verfahrens |
US8894569B2 (en) * | 2010-04-21 | 2014-11-25 | Chunyuan Qiu | Intubation systems and methods based on airway pattern identification |
JP5816486B2 (ja) * | 2011-08-18 | 2015-11-18 | オリンパス株式会社 | 蛍光観察装置および蛍光観察システム並びに蛍光観察装置の蛍光画像処理方法 |
CN102523379B (zh) * | 2011-11-09 | 2014-07-30 | 哈尔滨工业大学 | 频闪场景的图像拍摄方法及对该方法获得的频闪图像的处理方法 |
-
2015
- 2015-08-05 KR KR1020150110592A patent/KR101717362B1/ko active IP Right Grant
- 2015-11-10 US US15/557,866 patent/US10888218B2/en active Active
- 2015-11-10 CN CN201580077776.6A patent/CN107427197B/zh active Active
- 2015-11-10 WO PCT/KR2015/012027 patent/WO2017022889A1/ko active Application Filing
- 2015-11-10 JP JP2017548405A patent/JP6541795B2/ja active Active
- 2015-11-10 EP EP15900475.3A patent/EP3332691B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990079315A (ko) * | 1998-04-03 | 1999-11-05 | 박광석 | 성대 점막 운동 상태의 분석을 위한 비디오스트로보카이모그라피 |
US20030139666A1 (en) * | 2000-03-03 | 2003-07-24 | Holger Klemm | Method and device for the stroboscopic recording and reproduction of repetitive processes |
KR100602498B1 (ko) * | 2005-01-25 | 2006-07-24 | 유메디칼 주식회사 | 엘이디를 광원으로 사용하는 휴대용 후두 스트로보스코프 |
US20090281390A1 (en) * | 2006-05-26 | 2009-11-12 | Stichting Voor De Technische Wetenschappen | Optical Triggering System For Stroboscopy, And A Stroboscopic System |
KR20140115526A (ko) * | 2013-03-21 | 2014-10-01 | 김태우 | 성대 점막 운동 상태의 분석을 위한 평면 스캔 비디오카이모그라피 시스템을 이용한 성대 점막 운동 상태의 분석방법 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3332691A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109793486A (zh) * | 2017-11-16 | 2019-05-24 | 卡尔史托斯影像有限公司 | 改进的声带频闪摄影检查 |
CN109793486B (zh) * | 2017-11-16 | 2023-08-04 | 卡尔史托斯影像有限公司 | 改进的声带频闪摄影检查 |
CN110074749A (zh) * | 2019-03-05 | 2019-08-02 | 天津欧斯迪医疗科技有限公司 | 一种高速动态喉镜装置及其使用方法 |
CN110074749B (zh) * | 2019-03-05 | 2024-04-12 | 天津欧斯迪医疗科技有限公司 | 一种高速动态喉镜装置及其使用方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3332691B1 (en) | 2021-07-07 |
KR20170017135A (ko) | 2017-02-15 |
KR101717362B1 (ko) | 2017-03-16 |
CN107427197A (zh) | 2017-12-01 |
JP2018512918A (ja) | 2018-05-24 |
US10888218B2 (en) | 2021-01-12 |
EP3332691A1 (en) | 2018-06-13 |
CN107427197B (zh) | 2019-04-30 |
EP3332691A4 (en) | 2019-04-10 |
US20180049634A1 (en) | 2018-02-22 |
JP6541795B2 (ja) | 2019-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8574152B2 (en) | Process and arrangement for the production of a signal that corresponds to the opening status of the vocal cords of the larynx | |
Švec et al. | Videokymography: high-speed line scanning of vocal fold vibration | |
Hirose | Investigating the physiology of laryngeal structures | |
US20050219376A1 (en) | Image recording device having several image recording modes | |
WO2017022889A1 (ko) | 평면 스캔 비디오 카이모그라피와 후두 스트로보스코피 기능이 있는 비디오 후두 내시경 시스템 | |
WO2014148712A1 (ko) | 성대 점막 운동 상태의 분석을 위한 평면 스캔 비디오카이모그라피 시스템 및 이를 이용한 성대 점막 운동 상태의 분석방법 | |
Hertegård et al. | High-speed imaging: applications and development | |
Mehta et al. | Integration of transnasal fiberoptic high-speed videoendoscopy with time-synchronized recordings of vocal function | |
Woo et al. | Flexible fiber-optic high-speed imaging of vocal fold vibration: a preliminary report | |
KR200442240Y1 (ko) | 진동검출기를 이용한 휴대형 후두 스트로보스코프 | |
Jiang et al. | Quantitative study of mucosal wave via videokymography in canine larynges | |
Kaszuba et al. | Strobovideolaryngoscopy and laboratory voice evaluation | |
WO2017150836A1 (ko) | 실시간 후두스트로보스코피, 고속 후두내시경 검사, 및 평면 스캔 디지털 카이모그래피를 위한 영상 생성 시스템 및 방법 | |
KR102131419B1 (ko) | 후두 성능 검사를 위하여 초고속 카메라를 이용한 스마트 내시경 장치 및 이를 이용하는 시스템 | |
KR20170102792A (ko) | 실시간 후두스트로보스코피, 고속 후두내시경 검사, 및 평면 스캔 디지털 카이모그래피를 위한 영상 생성 시스템 및 방법 | |
KR19990079315A (ko) | 성대 점막 운동 상태의 분석을 위한 비디오스트로보카이모그라피 | |
Mehta et al. | The evolution of methods for imaging vocal fold phonatory function | |
KR20030046787A (ko) | 연속적인 광원을 사용하는 디지털 스트로보스코프 | |
KR101829540B1 (ko) | 성대 점막 운동 상태의 분석을 위한 평면 스캔 비디오카이모그라피 시스템 및 그 분석방법 | |
Tigges et al. | High-speed imaging and image processing in voice disorders | |
Stasicki et al. | Color high-speed video stroboscope system for inspection of human larynx | |
Klause et al. | A head-mounted camera system for the measurement of lip protrusion and opening during speech production | |
WO2018066813A1 (ko) | 성대 진동을 평가하기 위한 시뮬레이터 | |
JP2022179218A (ja) | 内視鏡システム及びその作動方法 | |
JP4836662B2 (ja) | シャッタスピード検査治具、シャッタスピード検査方法、及び、シャッタスピード検査用チャート |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15900475 Country of ref document: EP Kind code of ref document: A1 |
|
REEP | Request for entry into the european phase |
Ref document number: 2015900475 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15557866 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2017548405 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |