KR101071676B1 - Polyhedral Endoscope and System for Displaying Medical Image of Polyhedral Endoscope - Google Patents

Abstract

According to the present invention, a plurality of cameras are disposed in a plane to have different shooting angles in an endoscope module inserted into an organ of a patient, and the images captured by the plane cameras can be simultaneously displayed on one monitor screen. A multifaceted endoscope and a multifaceted endoscope display system are provided.

To this end, the present invention in the image display system of the endoscope for observing the lesion by inserting the endoscope module in the organ of the patient, the common front toward the center of the front end of the endoscope module in common and at the same time in the lateral direction at different angles And a plurality of endoscope cameras respectively photographing forward and specific side directions along the inclined direction of each inclined surface, and a plurality of video signals photographed in different directions from the plurality of endoscope cameras, respectively. A plurality of image processing units for processing, a multiplexer for multiplexing and outputting captured image signals in different directions processed by the image signals from the plurality of image processing units, and a captured image signal in different directions through the multiplexer on one screen Phrase including video monitor to display simultaneously on Characterized in that a.

Description

Poly endoscope and system for displaying medical image of polyhedral endoscope

The present invention relates to an image display system of a multi-faceted endoscope and a multi-faceted endoscope to widen the viewing field of view of the affected area by placing the endoscope in multiple planes to photograph different directions of the affected part of the patient.

In general, an endoscope apparatus for observing a device equipped with a camera is used for organs in which the lesion is not directly seen through surgery or autopsy such as the esophagus, stomach, colon, rectum, etc. of a patient.

Such endoscopy devices are generally used, such as bronchoscope, esophagus, stomach, duodenum, rectal, bladder, Specialized endoscopes have been developed for different organ parts of the human body, such as laparoscopy, thoracoscopic, mediastinum, and heart.

The endoscope device has been developed from a method in which the organs can be directly seen through the straight tube of a single cylinder and a method of observing the affected area using a lens system. The method of inserting directly into an organ is mainly used.

In the case of an endoscope device in which a small camera is directly inserted into an organ, a small camera is inserted into the organ to directly photograph and record various mucous membranes and inner walls of the organ to detect and diagnose microscopic lesions at an early stage. .

However, in the endoscope device using such a small camera, since only one camera is mounted in front of the endoscope, lesion observation is possible only for lesions within the maximum viewing angle range that the small camera can provide. There is a problem that minute observation is difficult with respect to the affected part around the front face.

In addition, in order to evenly observe the entire area of a particular organ, the endoscopy device must be changed from time to time and photographed with a single small camera, so that the observation time of the lesion through the endoscope is not only long, but also the patient suffers a great pain. There is a problem that you have to feel.

Accordingly, the present invention has been made to solve the above-described conventional problems, the object of which is to arrange a plurality of cameras in different planes to have different shooting angles in the endoscope module inserted into the organ of the patient, by a multi-faced camera It is to provide an image display system of a multi-scope endoscope and a multi-face endoscope so that each image can be displayed at the same time through a single monitor screen.

According to the multi-faceted endoscope of the present invention to achieve the above object, in the endoscope for observing the lesion by inserting the endoscope module in the organ of the patient, the front central portion of the endoscope module by irradiating light of a constant illuminance of the camera A light source is provided to secure a field of vision for photographing the affected part, and a plurality of inclined portions inclined in a side direction at different angles are formed while having a common inclined direction toward the center of the installation position center of the light source. And, the plurality of endoscopes to provide a multi-scope endoscope, characterized in that a plurality of endoscope cameras for fixing the front and specific side direction in each of the inclined direction of the inclined surface is disposed.

According to the multi-view endoscope image display system of the present invention to achieve the above object, in the image display system of the endoscope for observing the lesion by inserting the endoscope module in the organ of the patient, the center of the front center of the endoscope module And a plurality of endoscope cameras which are disposed to be inclined in the lateral direction at different angles in common and at the same time, and respectively photograph the front and specific side directions along the inclined direction of each inclined plane, and from the plurality of endoscope cameras, respectively. A plurality of image processing units which individually process a plurality of image signals photographed from different directions, a multiplexer which multiplexes and outputs captured image signals of different directions processed by the plurality of image signals from the plurality of image processing units, and the multiplexer Video footage from different directions through the lexer Provided is a multi-view endoscope video display system comprising a video monitor for simultaneously displaying a call on one screen.

As described above, according to the present invention, a plurality of small cameras are disposed on the endoscope module for observing the organs of the human body to have multiple angles in consideration of the photographing focus and the wide angle so as to have multiple angles so that multi-sided imaging of the front and side of the affected part is possible. By simultaneously outputting each photographed image on one monitor screen, it is possible to observe the lesion of the organ much finer than the conventional unidirectional endoscope, and the user does not manually adjust the direction of the endoscope. Simultaneous imaging and observation of the entire affected area of the organ can be performed without the effect that the time required for endoscopy can be significantly reduced.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

That is, Figure 1 is a diagram showing the overall configuration of the image display system of a multi-scope endoscope according to the present invention.

As shown in FIG. 1, an image display system of a multi-scope endoscope according to the present invention includes an endoscope inserted directly into a human body through a signal transmission line 14 to an endoscope image display device 10 having an image monitor 12. The module 16 is connected, and the endoscope module 16 is fixedly arranged with a plurality of endoscope cameras 18, 20, and 22 capable of photographing in multiple directions.

As shown in FIGS. 2A and 2B, the front center portion of the endoscope module 16 is irradiated with light of a predetermined illuminance so as to secure a field of view for photographing affected areas of the cameras 18, 20, and 22 ( 24) is installed.

In addition, the front end of the endoscope module 16 has a first inclined direction toward the center of the center portion, which is the installation position of the light source 24, all in common in the forward direction, respectively formed along the lateral direction of different angles A first endoscope camera having a second inclined portion 21 and a third inclined portion 23, and arranged on the inclined portions 19, 21, and 23 along the inclined direction of each inclined surface. 18), the second endoscope camera 20 and the third endoscope camera 22 are provided.

Each endoscope camera (18, 20, 22) is to be able to shoot the front and each side in charge along the inclination direction of each of the inclined portion (19, 21, 23) within the limits of the camera focusing and the angle of shooting possible However, when the first inclined portion 19 is directed upward in the left direction according to the insertion form of the endoscope module 16, the first endoscope camera 18 may photograph the front part and the upper left part. When the second inclined portion 21 faces the upper right direction by the insertion form of the endoscope module 16, the second endoscope camera 20 may photograph the front part and the upper right part. When the 3rd inclination part 23 faces a downward direction, the said 3rd endoscope camera 22 is able to image the remaining part of a front part, and a lower part.

Here, in the present invention, the three endoscope cameras (18, 20, 22) is described as an example, but not limited to this, at least two or at least four, depending on the type of organ to be examined, organ location, etc. It is of course possible to mount more than one endoscope camera to the endoscope module.

Next, FIG. 3 is a diagram showing an image processing configuration of the image display system of the multi-scope endoscope according to the present invention.

As shown in FIG. 3, an image display system of a multi-scope endoscope according to the present invention includes an endoscope module 16 having first to third endoscope cameras 18, 20, and 22 and a light source 24, and a light source controller. 26, input port 28, first to third video encoders 30, 32 and 34, first to third video decoders 36, 38 and 40, multiplexer 42, video monitor 12 It is configured to include.

The light source controller 26 is for performing on / off control and light quantity control of the light source 24 according to a user's input operation.

The input port 28 is connected to each endoscope camera 18, 20, 22 of the endoscope module 16 through the signal transmission line 14, the first to third endoscope cameras 18, 20, 22) receives a video signal photographed.

The first image encoder 30 encodes the first image signal photographed from the first endoscope camera 18 and outputs the digital image data stream, and the second image encoder 32 is the second endoscope camera. Encodes the second video signal photographed from 20 to output in the form of a digital video data stream, and the third video encoder 34 encodes the third video signal photographed from the third endoscope camera 22 to digitally output the digital video data stream. Output in the form of video data stream.

The first video decoder 36 decodes the digital video data stream of the first video signal from the first video encoder 30 and outputs the video signal in the form of a video signal. The second video decoder 38 outputs the video signal. The digital video data stream of the second video signal from the second video encoder 32 is decoded and output as a video signal capable of outputting the video. The third video decoder 40 is provided from the third video encoder 34. Decodes the digital video data stream of the third video signal of the third video signal and outputs it in the form of a video signal.

The multiplexer 42 multiplexes the first to third video signals decoded through the first to third video decoders 36, 38, and 40, respectively, and reproduces the same as an endoscope video screen on the video monitor 12. Be sure to

That is, one endoscope image screen reproduced on the image monitor 12 includes first to third images photographed by the first to third endoscope cameras 18, 20, and 22, respectively, as shown in FIG. 4A. The signal may be displayed on one screen at a time, and the first, second, and third video signals photographed for each endoscope camera 18, 20, and 22 may be classified by screen area and displayed separately.

In addition, one endoscope image screen reproduced on the image monitor 12 includes first to third images photographed by the first to third endoscope cameras 18, 20, and 22, respectively, as shown in FIG. 4B. By displaying the signals on one screen at a time, the first, second, and third video signals are displayed to cross each other and overlapped, so that the images captured by the individual endoscope cameras 18, 20, and 22 are displayed. It can be reproduced in the form of a single screen connected to each other.

To this end, as illustrated in FIG. 5, the first to third image encoders 30, 32, and 34 may include first to third overlapping region extractors 44, 46, 48, and first to third, respectively. The overlapped area compensator 50, 52, and 54 are included, and each overlapped area extractor 44, 46, 48 is configured for each endoscope camera by comparing the overlapped area with the overlapped area extractor configured in the counterpart image encoder. It extracts the screen area of the image signal which is individually taken but substantially intersects by (18, 20, 22), and each overlapping area compensator 50, 52, 54 is provided to the corresponding image encoder 30, 32, 34, respectively. Screen areas that are not overlapped by subtracting the image signal included in the overlapped areas or performing temporal and spatial motion compensation according to the result of the overlapped areas extracted from the connected overlapping area extractors 44, 46, and 48. Make it possible to connect with

That is, as illustrated in FIG. 6, the first overlapped region extractor 44 may include a second overlapped region extractor 46 of the second image encoder 32 and a third overlapped portion of the third image encoder 34. By comparing the image intersection with the three overlapping region extracting unit 48, the first image signal 60 from the first endoscope camera 18 input to the first image encoder 30 is converted to the second image signal 62. ), An overlapping region 66 intersecting with), an overlapping region 70 crossing with the third image signal 64, and an overlapping region 72 intersecting with the second and third image signals 62 and 64 in common. ) Will be extracted.

Similarly, the second overlapped region extractor 46 also includes a first overlapped region extractor 44 of the first image encoder 30 and a third overlapped region extractor 48 of the third image encoder 34. By comparing the image intersection with the image, the overlapping area (1) where the first image signal 62 from the second endoscope camera 20 input to the corresponding second image encoder 32 intersects the first image signal 60 ( 66, an overlapping region 68 intersecting the third image signal 64, and an overlapping region 72 intersecting the first and third image signals 60 and 64 in common.

The third overlapping region extractor 48 also overlaps the region 70 formed by the first image signal 60 and the second image signal 62 that intersect with the third image signal from the third endoscope camera 22. 72) can be extracted respectively.

Meanwhile, the first overlapped region compensator 50 may generate an image from the second image encoder 32 or the third image encoder 34 according to a result of extracting the overlapped region from the overlapped region extractor 44. Subtract the overlapping areas 66, 70, and 72 from the first image signal 60 so that the signal is displayed with respect to the overlapping area, and compensate for the second overlapping area compensator 52 and the third overlapping area. The unit 54 performs temporal and spatial motion compensation for linkage indication of the overlapping regions 66, 70, and 72 with the first image signal 60.

In addition, the second overlapped area compensator 52 and the third overlapped area compensator 54 may also perform the overlapped area subtraction process from the first overlapped area compensator 50.

Here, an overlapping area compensator for processing video signal subtraction and temporal and spatial motion compensation for the overlapping areas 66, 70, 68, and 72 in the first to third video signals 60, 62, and 64. The selection for can be arbitrarily determined by the default setting or can be selectively applied by the user's setting operation.

In the present invention made as described above, the image encoders 30, 32, 34 and the image decoders 36, 38, 40 are used to capture the captured images from the first to third endoscope cameras 18, 20, 22. Although each is independently configured to process individually, the present invention is not limited to this, and the present invention is not limited thereto, but may be in the form of a dedicated module for video signal processing such as a digital signal processor (DSP) and a field programmable gate array (FPGA). Can be implemented.

While specific embodiments of the present invention have been described and illustrated above, it will be apparent that the present invention may be embodied in various modifications by those skilled in the art. Such modified embodiments should not be understood individually from the technical spirit or the prospect of the present invention, but should fall within the claims appended to the present invention.

1 is a view showing the overall configuration for the image display system of a multi-scope endoscope according to the present invention,

2a and 2b is a view showing the arrangement of the multi-sided endoscope camera according to the present invention,

3 is a view showing an image processing configuration for an image display system of a multi-scope endoscope according to the present invention;

4A and 4B are diagrams each illustrating a state in which an image captured by a multi-scope endoscope is displayed on a video monitor according to a preferred embodiment of the present invention;

5 is a diagram illustrating a configuration of an image encoder for processing an overlapping region of a multifaceted endoscope image according to another example of the present invention;

FIG. 6 is a diagram for describing a state in which a captured image from an endoscope is displayed on an image monitor according to another example of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: endoscope video display device, 12: video monitor,

14: signal transmission line, 16: endoscope module,

18: the first endoscope camera, 20: the second endoscope camera,

22: third endoscope camera, 24: light source,

26: light source control unit, 28: input port,

30, 32, 34: video encoder, 36, 38, 40: video decoder,

42: multiplexer, 44, 46, 48: overlapping region extraction section,

50, 52, 54: Overlap area compensator.

Claims (6)

In the endoscope for observing the lesion by inserting the endoscope module in the organ of the patient, The front center portion of the endoscope module is provided with a light source for securing a field of view for the affected part of the camera by irradiating light of a predetermined illuminance, A front side portion of the endoscope module is formed with a plurality of inclined portions having a radial structure with respect to the light source and having an inclined surface inclined at the same angle toward the light source, And a plurality of endoscope cameras fixed to each of the inclined surfaces of the plurality of inclined portions to photograph the side direction along the inclined direction of the inclined surface together with the front direction of the endoscope module. The method of claim 1, The plurality of inclined portions include a first inclined portion inclined toward the front and upper left direction, a second inclined portion inclined in the front and upper right direction, and a third inclined portion inclined in the front and lower direction, The plurality of endoscope cameras include a first endoscope camera disposed on the first inclination unit and photographing the front and upper left sides, and a second endoscope camera disposed on the second slope and photographing the front and upper right sides, and the third And a third endoscope camera disposed at an inclined portion and photographing the front side and the lower side. In the image display system of the endoscope for observing the lesion by inserting the endoscope module in the organ of the patient, Disposed on a plurality of inclined surfaces disposed radially with respect to the light source installed in the front center portion of the endoscope module and disposed on the front side surface of the endoscope module and inclined at the same angle toward the light source, respectively; A plurality of endoscope cameras for photographing the side directions along the inclined direction of the inclined surface, respectively; A plurality of image processing units which individually process a plurality of image signals photographed in different directions from the plurality of endoscope cameras; A multiplexer for multiplexing and outputting captured image signals of different directions processed by image signals from the plurality of image processors; And And a video monitor configured to simultaneously display captured video signals of different directions through the multiplexer on a single screen. The plurality of image processing units individually encode a plurality of image signals respectively photographed by the plurality of endoscope cameras, and a plurality of image decoders individually encoded from the plurality of image encoders and then decoded and transmitted to the multiplexer. Is composed of a video decoder, The plurality of image encoders may include an overlapping region extracting unit for extracting a screen region of an image signal substantially intersecting with the counterpart endoscopy camera by comparing an overlapping photographing region with a captured image of the other endoscope camera, and overlapping from the overlapping region extracting unit. The multi-scope endoscope includes a superimposed region compensation unit configured to subtract image signals included in the superimposed region according to the region extraction result or perform temporal and spatial motion compensation for cooperative connection with the non-overlapping screen region. Video display system. delete delete The method of claim 3, wherein And a light source controller configured to perform on / off control and light quantity control of the light source.

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