CN211066498U - Binocular electronic hard tube endoscope - Google Patents

Abstract

The embodiment of the utility model discloses two mesh electron hard tube endoscopes relates to medical instrument technical field. The binocular electronic hard tube endoscope comprises a tube body, wherein an image sensor is arranged at a first end of the tube body, the image sensor comprises a first CMOS image sensor and a second CMOS image sensor which are arranged side by side, an illumination channel is arranged in the axial direction of the tube body, the illumination channel is at least provided with an opening located at the first end of the tube body, and the opening is located on the side portion of the image sensor. Because the image sensor is arranged at the first end of the tube body, namely the front end of the tube body in the application process in general, the projection path which a target object passes before entering the image sensor for imaging can be shortened, thereby reducing the color rendering performance reduction, the deformation of the periphery of an image, the reduction of the visible angle and the image noise which are possibly generated in the imaging process to a certain extent. The utility model is suitable for an in internal medicine inspection and operation.

Description

Binocular electronic hard tube endoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a two mesh electron hard tube endoscopes.

Background

The binocular electronic hard tube endoscope is a medical instrument which is commonly used in medicine and can be sent into a human body cavity to inspect pathological changes of human organs, and the binocular electronic hard tube endoscope can be used for visually inspecting and diagnosing pathological changes.

The arrangement mode that the current binocular electronic hard tube endoscope is inserted into a conduit and an optical imaging element in a human body leads to that target objects such as human organs and the like can enter the optical imaging element to be imaged through a far projection path, and because the target objects need to be projected for a long distance for imaging, image noise can be inevitably generated in the imaging process.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the present invention provides a binocular electronic hard tube endoscope, which can shorten the projection path that a target object passes before entering an image sensor for imaging, thereby reducing the color rendering performance degradation, the deformation of the image periphery, the reduction of the visible angle, and the image noise, which may be generated during the imaging process, to a certain extent.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a binocular electron hard tube endoscope, includes the body the first end of body is equipped with image sensor, image sensor is including the first CMOS image sensor and the second CMOS image sensor that set up side by side, be equipped with the illumination passageway in the body axial, the illumination passageway is equipped with the opening that is located the first end of body at least, just the opening is located the image sensor lateral part.

Preferably, a cylinder seat is nested in the tube body, an open slot is formed in the cylinder seat and the end part of the cylinder seat located at the first end of the tube body, the image sensor is installed in the open slot, a through hole reaching the other end part of the cylinder seat is formed in the bottom of the open slot,

preferably, the intersection line of open slot and cylinder seat includes first rectangle, second rectangle, first circular arc and second circular arc, first rectangle and second rectangle are symmetrical about the first axle cross-section of cylinder seat, first circular arc and second circular arc are symmetrical about the second axle cross-section of cylinder seat, first axle cross-section is perpendicular with the second axle cross-section, the base of first rectangle, the base of first circular arc, second rectangle and second circular arc connect gradually and constitute a confined radius head rectangle.

Preferably, the first CMOS image sensor and the second CMOS image sensor are arranged in the open slot side by side at an interval, a cable is inserted into the through hole, and one end of the cable is connected to the image sensor.

Preferably, the light-sensing surface of the first CMOS image sensor is coplanar with the light-sensing surface of the second CMOS image sensor.

Preferably, the pipe body comprises a first sleeve and a second sleeve, the second sleeve is sleeved outside the first sleeve, and a gap is formed between the first sleeve and the second sleeve; the annular space between the outer side of the first sleeve and the inner side of the second sleeve forms the illumination channel, and the image sensor is arranged at the first end of the first sleeve.

Preferably, a light guide medium is arranged in the illumination channel.

Preferably, the light guide medium is connected with a first cold light source connector, a cold light source is connected to the first cold light source connector, and the first cold light source connector is located at or close to the second end of the tube body;

the light guide medium is an optical fiber; or,

the light guide medium is a light guide plate; or,

the light guide medium is a light guide ink layer sprayed in the light guide channel.

Preferably, the image sensor is electrically connected to an optical processing device, and an output end of the optical processing device is connected to a 3D stereoscopic display.

Preferably, the diameter of the pipe body is more than 0 and less than or equal to 11 mm.

The embodiment of the utility model provides a two mesh electron hard tube endoscopes, including the body first end is equipped with image sensor, be equipped with the illumination passageway on the body axial, the illumination passageway is equipped with the opening that is located the body first end at least, just the opening is located the image sensor lateral part. Because the image sensor is arranged at the first end of the tube body, namely the front end of the tube body in the application process in general, the projection path which the target object passes before entering the image sensor for imaging can be shortened, and the color rendering performance reduction, the deformation of the periphery of the image, the reduction of the visual angle and the image noise which are possibly generated in the imaging process can be reduced to a certain extent.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the binocular electronic hard tube endoscope of the present invention;

FIG. 2 is a partial cross-sectional view taken along the axis A-A of FIG. 1;

FIG. 3 is a partial cross-sectional view taken along the axis B-B of FIG. 1;

FIG. 4 is a schematic view of the first end of the binocular electronic hard tube endoscope according to an embodiment of the present invention;

FIG. 5 is a front view of the cylinder base according to an embodiment of the present invention;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a left side view of FIG. 5;

fig. 8 is a schematic structural view of another embodiment of the binocular electronic hard tube endoscope of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

The embodiment of the utility model provides a two mesh electron hard tube endoscopes are applicable to in internal medicine inspection and the operation. Referring to fig. 1 to 4, the binocular electronic hard tube endoscope includes: the tube body is equipped with image sensor 2 in the first end of tube body, be equipped with illumination passageway 3 on the tube body axial, illumination passageway 3 is equipped with the opening that is located the first end of tube body at least, just the opening is located image sensor 2 lateral parts.

The first end of the tube body is the end of the tube body which is inserted into a human body firstly during work, namely the front end during application, and the tube body is made of stainless steel. The image sensor 22 is used for taking images of the examination or operation site and organs or tissues nearby the examination or operation site, and can output the images; the image sensor 2 is an electronic CMOS image sensor, and its specification size is greater than 0 and equal to or less than 1/18 inches; specifically, the image sensor 2 is electrically connected to an optical processing device 4, and an output end of the optical processing device 4 is connected to a 3D stereoscopic display 5; the image sensor 2 sends the shot image to the optical processing device 4, and the optical processing device 4 processes the image and outputs the processed image to the 3D stereoscopic display 5 for displaying so that an operator can observe the inside of the human body. The illumination channel 3 is used for providing illumination for image shooting of the image sensor 2, and the illumination channel 3 can be arranged on the whole length of the tube body or on the partial length from any position to the first end on the length of the tube body.

The embodiment of the utility model provides a two mesh electron hard tube endoscopes, including the body first end is equipped with image sensor 2, be equipped with illumination passageway 3 on the body axial, illumination passageway 3 is equipped with the opening 31 that is located the body first end at least, just opening 31 is located 2 lateral parts of image sensor. Since the image sensor 2 is disposed at the first end of the tube, that is, the front end of the tube in the application process, the projection path of the target object before entering the image sensor 2 for imaging can be shortened, and therefore, the color rendering performance reduction, the deformation of the periphery of the image, the reduction of the visible angle and the image noise which may be generated in the imaging process can be reduced to a certain extent.

Referring to fig. 4 to 7, in this embodiment, as an alternative embodiment, a cylinder seat 6 is nested in the tube, an open slot 7 is formed in an end portion of the cylinder seat 6 located at the first end of the tube, the image sensor 2 is installed in the open slot 7, a through hole 8 is formed at the bottom of the open slot 7 and reaches the other end portion of the cylinder seat 6, a cable 9 is inserted into the through hole 8, and one end of the cable 9 is connected to the image sensor 2. Thus, a specific technical scheme for fixedly mounting the image sensor 2 is provided, and the image sensor 2 can be protected by mounting the image sensor 2 in the opening groove 7 of the cylindrical seat 6. The through holes 8 include a first through hole and a second through hole.

In this embodiment, specifically, a transparent cover or a protective cover with a light exit hole may be further disposed at an opening end of the open slot 7, and a gap is disposed between the image sensor 2 and the transparent cover or the protective cover with the light exit hole; therefore, the binocular electronic hard tube endoscope can be ensured to be used, and the tube body can not be pushed to the depth so as not to influence the clear image collection condition caused by the fact that the end part of the image sensor 2 is attached to the human organ or tissue.

Wherein, it can be understood that the other end of the cable 9 can be connected with an optical processing device 4, and the optical processing device 4 is used for processing the collected image and outputting the processed image to the display 5; or the cable 9 may be directly connected to the display 5 for output.

Referring to fig. 4 to 7, in another embodiment, the intersecting line of the open slot 7 and the cylinder block 6 includes a first rectangle 61, a second rectangle 62, a first arc 63 and a second arc 64, the first rectangle 61 and the second rectangle are symmetrical about a first axial section of the cylinder block 6, the first arc and the second arc are symmetrical about a second axial section of the cylinder block 6, the first axial section is perpendicular to the second axial section, and the bottom edge of the first rectangle 61, the first arc, the bottom edge of the second rectangle and the second arc are connected in sequence to form a closed rounded-head rectangle.

The open slot 7 is formed by cutting one end of the cylindrical seat 6, and the open slot 7 comprises a plurality of surfaces which are respectively two symmetrical rectangular surfaces and a fillet rectangular surface; the fillet rectangular surface is positioned between the two symmetrical rectangular surfaces to form the open slot 7. In one embodiment, the specification dimensions of the cylinder block are: height 7mm, diameter 2.7mm, opening groove depth 4mm, width between two rectangular surfaces of opening groove

In another embodiment, the image sensor 2 includes a first CMOS image sensor 21 and a second CMOS image sensor 22, and the first CMOS image sensor 21 and the second CMOS image sensor 22 are disposed in the opening groove 7 at an interval side by side. The diameters of the first CMOS image sensor 21 and the second CMOS image sensor 22 are 1mm, and the center distance between the first CMOS image sensor 21 and the second CMOS image sensor 22 is 1.3mm, so that the two image sensors 2 can form binocular stereoscopic vision just like human binocular, and can shoot an examination or operation part from different angles, so that the optical processing device 4 can acquire three-dimensional geometric information of a target part according to a position difference between corresponding position points in the two images to generate a three-dimensional image display.

In order to ensure the effect of synthesizing the three-dimensional images of the acquired images as much as possible, in an alternative embodiment, the light-sensitive surface of the first CMOS image sensor 21 is coplanar with the light-sensitive surface of the second CMOS image sensor 22; in this way, the images shot by the two image sensors 2 are output to the optical processing device 4, so that the parallax of corresponding points in the two images can be conveniently found, the coordinates of the three-dimensional image can be easily reconstructed, and the effect of three-dimensional image synthesis can be ensured.

In different application scenarios, the outer diameter of the pipe body is different in size, wherein the outer diameter of the pipe body is in mm, table 1 lists the size specifications of the outer diameters of the pipe body in several specific application scenarios, and the outer diameters of the pipe body can be set according to requirements.

Table 1 referring to fig. 1, in a further embodiment, the pipe body comprises a first sleeve 1 and a second sleeve 10, the second sleeve 10 is sleeved outside the first sleeve 1, and a gap is formed between the first sleeve 1 and the second sleeve 10; the annular space between the outer side of the first sleeve 1 and the inner side of the second sleeve 10 forms the illumination channel, and the image sensor is arranged at the first end of the first sleeve 1 and the second sleeve.

In this embodiment, an annular space or gap is formed between the first sleeve 1 and the second sleeve 10 as the illumination channel 3, and the image sensor 2 is located at the first end of the first sleeve, so that a ring of annular illumination light is formed around the image sensor 2, and the lighting effect is more uniform than that of the existing point light source illumination channel 3, thereby being beneficial to improving the image shooting quality.

Wherein, the second sleeve is made of stainless steel, the outer diameter of the second sleeve can be processed into different diameters of 3mm, 4mm, 10mm and the like, and the wall thickness is more than 0 and less than or equal to 0.4 mm.

In different application scenarios, the outer diameters of the second sleeves are different, and when the pipe body includes the first sleeve and the second sleeve, the outer diameters of the pipe bodies listed in table 1 are the outer diameter of the second sleeve in this embodiment, which can specifically refer to the size specifications of the outer diameters of the second sleeves in several specific application scenarios listed in table 1, and can also be set as needed.

In particular, a light guide medium is provided in the illumination channel 3, and the light guide medium is used for light conduction. The light guide medium is used for conducting the illumination light, so that the loss in the light conduction process can be reduced, and the illumination light required by image shooting is ensured.

In this embodiment, as an optional embodiment, the light guide medium is connected to a first cold light source connector, the first cold light source connector is connected to a cold light source, and the first cold light source connector is located at or near the second end of the tube body. Therefore, the cold light source is arranged at the second end of the tube body, namely the tail end in application, and is connected to the light guide medium through the cold light source connector, so that on one hand, light can be transmitted to the front end of the tube body through the light guide medium to provide illumination light for image shooting; on the other hand, because the cold light source is arranged at the tail end of the tube body, the tube body can be made thinner, and the size of the structure of the binocular electronic hard tube endoscope which extends into the human body part is reduced.

Referring to fig. 8, in the present embodiment, specifically, a splitter 12 is connected to the second end, i.e. the end when the second casing 10 is applied, it should be noted that the splitter is used for separating a plurality of lines passing through the splitter, so as to avoid line entanglement, and is not a concept of a splitter used for separating 8 lines in a network line into two groups to transmit data in the field of network communication technology. The splitter comprises a first splitting port 13 and a second splitting port 14, the tail end of the light guide medium penetrates through the first splitting port 13 to be connected to the cold light source 5, and the other end of the cable 9 is connected to the optical processing device 4 through the second splitting port 14. In this embodiment, the light guide medium may be an optical fiber; or, the light guide medium is a light guide plate; or, the light guide medium is a light guide ink layer sprayed in the light guide channel.

The utility model discloses in another embodiment, can also set up sampling channel 11 in the body axial, be used for inserting the sampler among the sampling channel, can realize taking a sample to pathological change tissue.

In one embodiment, the sampler comprises a needle, a rigid connecting tube and a bag, wherein the needle is positioned at the first end of the tube body, the needle is connected to one end of the rigid connecting tube, and the bag is connected to the other end of the rigid connecting tube.

The binocular electronic hard tube endoscope provided by the embodiment of the utility model has a slender tube body part structure, and can be suitable for examination and diagnosis of a smaller cavity in a human body; compared with the mode of arranging the image sensor 2 at the tail end in the prior art, the front end of the tube body is closer to the shooting target, so that the transmission distance of light rays entering the photosensitive surface of the image sensor is shortened, the problems of color rendering performance reduction, image periphery deformation, visible angle reduction and image noise increase which are possibly generated in the imaging process can be reduced, and the task amount of subsequent image processing can be reduced; further, through set up two CMOS image sensor 2 at the first end of body side by side interval, can synthesize the three-dimensional image that has third dimension and sense of space, be favorable to the completion of internal medicine operation.

Example two

The embodiment of the utility model provides a binocular electron hard tube endoscope's manufacturing approach is applied to and makes any of embodiment binocular electron hard tube endoscope, the method includes the step:

cutting a section of stainless steel pipe or hard plastic pipe with a preset length to manufacture a pipe body; the diameter of the stainless steel pipe or the hard plastic pipe is more than 0 and less than or equal to 11 mm.

The image sensor 2 is adhered to one end of the pipe body, the communication cable 9 is connected to the image sensor 2, and the communication cable 9 is led to the other end of the pipe body along the axial direction of the pipe body to be connected with the optical processing device 4.

An illumination channel 3 is arranged in the axial direction of the tube body; and a light outlet is formed in the position, located at the first end of the tube body, of the lighting channel 3 at least and is located on the side part of the image sensor 2.

According to the binocular electronic hard tube endoscope manufactured by the manufacturing method of the binocular electronic hard tube endoscope provided by the embodiment, the image sensor 2 is arranged at the first end of the tube body, namely the front end of the tube body in the application in general, so that the projection path of a target object before entering the image sensor 2 for imaging can be shortened, and the color rendering performance reduction, the deformation of the periphery of an image, the reduction of the visual angle and the image noise which are possibly generated in the imaging process can be reduced to a certain extent; further, the task amount of subsequent image processing can be reduced.

In an embodiment of the present invention, the image sensor 2 includes a first image sensor 2 and a second image sensor 2; the bonding of image sensor 2 at body one end to connect communication cable 9 on image sensor 2, lead to the body other end along the body axial and be connected with optical processing device 4 with communication cable 9 includes:

taking a cylindrical bar material and cutting the cylindrical bar material into a plurality of sections of cylinders with preset lengths;

clamping a section of the cylinder in a fixture of a milling machine, and milling an open slot 7 at one end of the cylinder;

after an open slot 7 with a preset specification and size is milled, placing a cylinder in a fixture of a drilling machine, and drilling a first through hole and a second through hole at the bottom of the open slot 7 to the other end of the cylinder to form a cylinder seat 6;

taking a cylindrical seat 6, aligning a first image sensor 2 with a first through hole, aligning a second image sensor 2 with a second through hole 8, and arranging the first image sensor 2 and the second image sensor 2 in an open slot 7 at intervals side by side; the first through hole is used for penetrating the communication cable 9 of the first image sensor 2, and the second through hole is used for penetrating the communication cable 9 of the second image sensor 2;

connecting the communication cable 9 of the first image sensor 2 and the communication cable 9 of the second image sensor 2 to the optical processing device 4 along the axial direction of the cylindrical seat 6;

sleeving a first sleeve on the circumference of the cylindrical seat 6, and bonding and connecting the cylindrical seat 6 and the first sleeve;

and sleeving a second sleeve on the first sleeve, wherein an annular lighting space is formed between the inner wall of the second sleeve and the outer wall of the first sleeve.

In an optional embodiment, the method further comprises: the end part of the second end of the first sleeve is provided with an identification arrow, the end part of the second end of the second sleeve is provided with a dial, and the dial is provided with evenly distributed scale marks; the arrow is matched with the scale lines of the dial to determine the position of the first end part of the tube body after the tube body is inserted into a human body, for example, after the tube body is inserted, the two image sensors at the first end part can be identified to be in an up-down position relation or a left-right position according to the current direction of the scale lines at the second end part of the first sleeve of the tube body on the dial; the first end portion can also be quickly adjusted to a suitable orientation as desired. .

The embodiment of the utility model provides a method is used for making the binocular electron hard tube endoscope of aforementioned embodiment, based on the binocular electron hard tube endoscope structure of aforementioned embodiment, can also derive other method embodiments, also in the scope that this embodiment is disclosed, just no longer redundantly here.

It should be noted that the terms "upper", "lower", and the like, herein indicate orientations and positional relationships, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. Relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element. As will be appreciated by one of ordinary skill in the art, the situation may be specified.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a binocular electron hard tube endoscope, its characterized in that includes the body the first end of body is equipped with image sensor, image sensor is including the first CMOS image sensor and the second CMOS image sensor that set up side by side, be equipped with the illumination passageway on the body axial, the illumination passageway is equipped with the opening that is located the first end of body at least, just the opening is located the image sensor lateral part.

2. The binocular electronic hard tube endoscope according to claim 1, wherein a cylinder seat is nested in the tube body, an open slot is formed in the cylinder seat and the end part of the cylinder seat located at the first end of the tube body, the image sensor is installed in the open slot, a through hole is formed in the bottom of the open slot and reaches the other end part of the cylinder seat, a cable penetrates through the through hole, and one end of the cable is connected to the image sensor.

3. The binocular electronic hard tube endoscope of claim 2, wherein the intersecting line of the open slot and the cylinder base comprises a first rectangle, a second rectangle, a first arc and a second arc, the first rectangle and the second rectangle are symmetrical about a first axial section of the cylinder base, the first arc and the second arc are symmetrical about a second axial section of the cylinder base, the first axial section is perpendicular to the second axial section, and the bottom edge of the first rectangle, the bottom edge of the first arc, the bottom edge of the second rectangle and the second arc are connected in sequence to form a closed inverted-head rectangle.

4. The binocular electronic hard tube endoscope of claim 2, wherein the first and second CMOS image sensors are disposed in the open slot in spaced side-by-side relation.

5. The binocular electronic hard tube endoscope of claim 4, wherein the light sensing surface of the first CMOS image sensor is coplanar with the light sensing surface of the second CMOS image sensor.

6. The binocular electronic hard tube endoscope of claim 1, wherein the tube body comprises a first sleeve and a second sleeve, the second sleeve is sleeved outside the first sleeve, and a gap is formed between the first sleeve and the second sleeve; the annular space between the outer side of the first sleeve and the inner side of the second sleeve forms the illumination channel, and the image sensor is arranged at the first end of the first sleeve.

7. The binocular electronic hard tube endoscope of claim 1 or 6, wherein a light guide medium is disposed in the illumination channel.

8. The binocular electronic hard tube endoscope of claim 7, wherein the light guide medium is connected with a first cold light source connector, a cold light source is connected to the first cold light source connector, and the first cold light source connector is located at or near the second end of the tube body;

the light guide medium is an optical fiber; or,

the light guide medium is a light guide plate; or,

the light guide medium is a light guide ink layer sprayed in the light guide channel.

9. The binocular electronic hard tube endoscope of claim 1, wherein the image sensor is electrically connected to an optical processing device, and a 3D stereoscopic display is connected to an output end of the optical processing device.

10. The binocular electronic hard tube endoscope of claim 1, wherein the diameter of the tube body is more than 0 and less than or equal to 11 mm.

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