CN217792990U - Bladder renal pelvis endoscope and 3D bladder renal pelvis endoscope system - Google Patents

Abstract

The application discloses bladder renal pelvis endoscope, bladder renal pelvis endoscope includes the mirror tube, and the one end in the mirror tube is provided with two electron camera subassemblies and illumination light source subassembly, and two electron camera subassemblies include first electron camera and second electron camera, and the contained angle theta that forms between the incident light face of first electron camera and the incident light face of second electron camera satisfies 90 degrees and is less than or equal to theta and is less than or equal to 190. The present application further provides a 3D bladder renal pelvis endoscope system. The bladder renal pelvis endoscope provided by the application is connected with the image processing system through a cable, and three-dimensional image display can be achieved. In the process of endoscope operation by a doctor, the two superposed planar images collected by the double electronic camera assemblies are edited and synthesized by the image processing system to generate a three-dimensional image, so that the tissue structure can be distinguished, and the accuracy of the operation is improved.

Description

Bladder renal pelvis endoscope and 3D bladder renal pelvis endoscope system

Technical Field

The application relates to the technical field of medical instruments, in particular to a bladder renal pelvis endoscope and a 3D bladder renal pelvis endoscope system.

Background

With the development of science and technology, medical endoscopes are widely used in the medical field as tools for peeping and treating organs in the human body. In the process of the development of medical endoscopes, the medical endoscopes are improved four times, namely the original hard tube type medical endoscope and the semi-curved type medical endoscope to the fiber medical endoscope and the current electronic medical endoscope, and the image quality is greatly improved. Medical endoscopes include, in accordance with their functional classification, medical endoscopes for the digestive tract, medical endoscopes for the respiratory system, medical endoscopes for the peritoneal cavity, medical endoscopes for the biliary tract, medical endoscopes for the urinary system, and medical endoscopes for the joints.

At present, in urinary surgery bladder and renal pelvis endoscopy projects and transurethral endoscopy treatment projects, conventional image acquisition is a two-dimensional plane image acquired by a single lens, and the tissue position level cannot be effectively distinguished.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application provides a bladder and renal pelvis endoscope and a bladder and renal pelvis endoscope system capable of realizing three-dimensional image display.

The technical scheme of the application is as follows:

the application provides a bladder renal pelvis endoscope, bladder renal pelvis endoscope includes the mirror tube, one end in the mirror tube is provided with two electron camera subassembly and illumination light source subassembly, two electron camera subassemblies include first electron camera and second electron camera, just the incident light face of first electron camera with the contained angle that forms between the incident light face of second electron camera is theta, and theta satisfies 90 and is less than or equal to theta and is less than or equal to 190 deg.

Further, theta satisfies 160 DEG & lt & gttheta & lt & gt & lt 185 deg.

Further, the theta satisfies 175 DEG & ltoreq theta & ltoreq 185 deg.

Furthermore, the first electronic camera and the second electronic camera are symmetrically arranged along the central axis of the lens tube.

Further, the illumination light source assembly comprises a first light source and a second light source, and the first light source and the second light source are respectively positioned on two sides of the dual-electronic-camera assembly.

Further, the illuminance of the first light source is equal to that of the second light source.

Further, when θ is 180 degrees, the first light source and the second light source are located on the same plane and symmetrically arranged along the central axis of the mirror tube.

Furthermore, the bladder and renal pelvis endoscope also comprises an adapter, and the adapter is sleeved at one end, far away from the double-electronic camera assembly, of the endoscope tube.

Furthermore, the outer diameter of the lens tube is 4-5mm, and the inner diameter of the lens tube is 3.5-4.5mm.

Furthermore, an incident light surface of the first electronic camera and an incident light surface of the second electronic camera are both provided with an antifogging layer.

The application also provides a 3D bladder renal pelvis endoscope system, which comprises the bladder renal pelvis endoscope and an image processing system, wherein the image processing system is connected with the bladder renal pelvis endoscope through a cable.

According to the bladder renal pelvis endoscope provided by the application, the bladder renal pelvis endoscope is connected with an image processing system, so that three-dimensional image display can be realized. In the process of endoscopic operation of medical instruments, the two superposed planar images collected by the double-electronic camera assembly are edited and synthesized by the image processing system to generate a three-dimensional image, so that the tissue structure can be distinguished, the position relation among tissues can be judged more effectively, the accuracy of the operation is improved, and the operation safety is guaranteed. And when the bladder and renal pelvis endoscope is inserted, the accuracy of one operation can be improved on a 3D stereo image.

Drawings

The drawings are included to provide a further understanding of the application and are not to be construed as limiting the application. Wherein:

fig. 1 is a schematic structural diagram of a 3D bladder renal pelvis endoscope system provided by the present application.

Fig. 2 is a schematic structural diagram of a bladder renal pelvis endoscope provided by the present application.

Fig. 3 is a schematic structural diagram of a bladder renal pelvis endoscope provided by the present application.

Fig. 4 is a schematic structural diagram of a bladder-renal pelvis endoscope provided by the present application with θ of 180 °.

Fig. 5 is a schematic structural diagram of a bladder renal pelvis endoscope with θ of 140 ° provided by the present application.

Fig. 6 is a schematic structural diagram of a bladder-renal pelvis endoscope provided by the present application with θ of 90 °.

Fig. 7 is a schematic structural diagram of a bladder-renal pelvis endoscope provided by the present application with θ of 190 °.

Fig. 8 is a schematic structural diagram of a bladder renal pelvis endoscope with θ of 200 ° provided by the present application.

Fig. 9 is a single-camera endoscope provided by the present application.

Description of the reference numerals

1-image processor, 2-bladder pyeloscope, 21-plug connector, 22-cable, 23-connecting seat, 24-adapter, 25-endoscope tube, 26-double electronic camera component, 27-first electronic camera, 28-second electronic camera, 29-first light source, 30-second light source and 31-phase connection wire.

Detailed Description

The following description of exemplary embodiments of the present application is provided to facilitate the understanding of the various details of the embodiments of the present application and are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

The application discloses bladder renal pelvis endoscope 2, bladder renal pelvis endoscope 2 includes mirror tube 25, one end in the mirror tube 25 is provided with two electron camera subassembly 26 and illumination light source subassembly, two electron camera subassemblies 26 include first electron camera 27 and second electron camera 28, first electron camera 27 with second electron camera 28 all has the incident light face, and the incident light face of first electron camera 27 with the contained angle that forms between the incident light face of second electron camera 28 is theta, theta satisfies that theta is greater than or equal to 90 degrees and is less than or equal to 190 degrees; and the incident light surface of the first electronic camera and the incident light surface of the second electronic camera are both provided with an antifogging layer. The illumination light source assembly provides a light source for illumination to the first and second electronic cameras 27, 28.

The antifogging coating can be the coating also can be cladding material, and its effect is waterproof and antifog, the antifogging coating can avoid the incident light face of first electronic camera with form water smoke on the incident light face of second electronic camera, influence its performance.

The first electronic camera 27 and the second electronic camera 28 both include a lens and a CMOS or CCD image sensor, and one end of the lens axially away from the CMOS or CCD image sensor is an incident light surface which is parallel to a photosensitive surface of the CMOS or CCD image sensor.

The first electronic camera 27 and the second electronic camera 28 are two sets of electronic cameras with the same type, size and size, which can be installed in the lens tube 25 with an outer diameter of 4-5mm, such as an omnivision OTOFA type electronic camera assembly.

The angle of view is the maximum range that can be observed by the endoscope at the same time, i.e., the value of the cone angle with its apex at the tip of the endoscope head, and is expressed in degrees.

Specifically, the light-sensing surfaces of the first electronic camera and the second electronic camera are planes, the viewing direction is a direction perpendicular to the light-sensing surfaces, and the viewing direction angle is 0 degree. The field angle is an intrinsic parameter of the electronic camera assembly. In order to achieve a larger visual field, an electronic camera component with a 90-120 degree angle of view, such as an omnivision OTOFA type electronic camera component, is selected, wherein the visual angle is 0 degree, the visual angle is 120 degree, the resolution is 50 ten thousand pixels, and the depth of field is 2-55mm.

In the present application, the first electronic camera and the second electronic camera may use medical electronic cameras known to those skilled in the art that can be used.

For the single-camera endoscope, the angle of view of the endoscope is the angle between the viewing direction of the single-electron camera and the axis of the endoscope tube, and the angle of view is small, as shown in fig. 9.

Since the field angle of the first electronic camera 27 and the second electronic camera 28 is 90 to 120 degrees, the depth of field is 2 to 55mm, and may be, for example, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 34mm, 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm, 49mm, 50mm, 51mm, 52mm, 53mm, 54mm, or 55mm. Therefore, the effective field angle of the cystoscope is 20-120 +/-5 degrees, and the depth of field is 2.5-50mm.

When the included angle theta is larger than or equal to 90 degrees and smaller than or equal to 190 degrees, the field of view of the image acquisition area (the area which can be observed by two electronic cameras of the same type at the same time, namely the effective field angle of the endoscope) changes along with the change of theta, namely, along with the increase of theta, the effective field angle is increased firstly and then reduced, and the field depth range is also increased firstly and then reduced. When theta is 175-185 degrees, the visual field is the largest, the angle of view is about 120 degrees, the requirement on the installation space is the smallest, when theta is gradually reduced or increased, the required installation space is gradually increased, the effective angle of view of the cysto-renal pelvis endoscope is gradually reduced, the observation visual field range is also gradually reduced, the depth of field ranges of the first electronic camera 27 and the second electronic camera 28 are also gradually reduced, and the image acquisition area is gradually reduced (only a small area can be seen, even the position and operation of an instrument entering the bladder cannot be seen, and the significance of the endoscope is lost).

The depth of field range refers to the range between the closest and farthest points that can be viewed clearly, with the distance between the closest point and the end face of the endoscope being very small, between 2-5 mm. The depth of field of first electronic camera and second electronic camera is 2-55mm, and the depth of field of this application the endoscope is the scope between the nearest point and the farthest point that first electronic camera and second electronic camera can observe jointly, the depth of field of endoscope is 2-55mm.

In one embodiment, θ satisfies 160 ≦ θ ≦ 185.

In another embodiment, θ satisfies 175 ≦ θ ≦ 185.

Specifically, the included angle θ may be 90 °, 100 °, 110 °, 120 °, 130 °, 140 °, 150 °, 160 °, 165 °, 170 °, 175 °, 180 °, 185 °, or 190 °.

In the present application, as shown in fig. 2 and fig. 3, a connection line 31 is located at a connection position of a plane where an incident light surface of the first electronic camera 27 is located and a plane where an incident light surface of the second electronic camera 28 is located, and the connection line 31 passes through a central axis of the lens tube 25. Namely, the first electronic camera 27 and the second electronic camera 28 are symmetrically arranged along the central axis of the lens tube.

As shown in fig. 2 to 3, the illumination light source assembly includes a first light source 29 and a second light source 30, and the first light source 29 and the second light source 30 are respectively located at both sides of the dual electronic camera assembly. During the operation, the light emitted from the first light source 29 and the second light source 30 is irradiated to the operation position, and the first electronic camera 27 and the second electronic camera 28 are used for capturing the image of the operation position.

The first light source 29 and the second light source 30 are used for illuminating the whole operation position, and the first light source 29 and the second light source 30 are arranged to enable the illumination of the operation position to be uniform.

In the present application, the first light source and the second light source may use a medical light source known to those skilled in the art to be usable.

The first light source 29 and the second light source 30 have the same illumination parameter (illuminance).

Illuminance refers to the amount of light obtained per unit area of an object and is used to indicate the degree to which the object is illuminated. The unit is lux.

Specifically, the first light source 29 and the light incident surface of the first electronic camera 27 are disposed on the same plane or in parallel, and the second light source 30 and the light incident surface of the second electronic camera 28 are disposed on the same plane or in parallel. The first light source 29 and the second light source 30 are equal, that is, the light given to the surgical site photographed by the first electronic camera 27 by the first light source 29 is the same as the light given to the surgical site photographed by the second electronic camera 28 by the second light source 30, and the light is uniform.

The first light source 29 and the second light source 30 may be led lamps, optical fibers, or the like, but are not limited thereto as long as the functions of the present disclosure can be achieved.

The number of the first light source 29 and the second light source 30 may be one or more, and may be determined according to actual needs.

Specifically, when the number of the first light sources 29 and the second light sources 30 is one, the connection line of the first light source 29 and the second light source 30 coincides with the phase connection line 31.

Further, as shown in fig. 2 and fig. 5, when an included angle θ between the light incident surface of the first electronic camera 27 and the light incident surface of the second electronic camera 28 is 180 °, the first light source 29 and the second light source 30, and the first electronic camera 27 and the second electronic camera 28 are arranged in a central symmetry manner by taking an intersection point of the central axis of the lens tube 25 and the connection line 31 as a symmetry center.

Specifically, when the number of the first light sources 29 and the second light sources 30 is two or more, the first light sources 29 and the second light sources 30 are symmetrically disposed on two sides of the connecting line 31, that is, the first light sources 29 and the second light sources 30 are symmetrically disposed along the central axis of the mirror tube 25. Preferably, the number of the first light sources 29 and the second light sources 30 is even so that the light of the parts shot by the first electronic camera 27 and the second electronic camera 28 is uniform.

Further, when the number of the first light source 29 and the second light source 30 is plural, the included angle θ between the first electronic camera 27 and the second electronic camera 28 satisfies: theta is more than or equal to 90 degrees and less than or equal to 190 degrees, preferably more than or equal to 160 degrees and less than or equal to 185 degrees.

In the present application, the cystoscope 2 further includes an adapter 24, and the adapter 24 is sleeved on an end of the scope tube 25 far away from the dual-electronic-camera assembly 26. By means of the adapter 24, the cystoscope 2 can be connected to other cystoscope instruments, such as cystoscope sheaths, operating hand pieces, etc.

As shown in fig. 1, the present application also provides a 3D cystoscope system comprising an image processing system and the cystoscope 2, the image processing system being connected to the cystoscope 2 by a cable 22.

Specifically, the image processing system comprises an image processor 1 and a polarizer, and the image processed by the image processing system needs to be worn by the polarizer to see the 3D stereoscopic image. The image processor 1 is provided with a plug-in unit 21, the lens tube 25 is provided with a connecting seat 23 at one end far away from the electronic camera assembly 26, and cables of the first electronic camera 27, the second electronic camera 28, the first light source 29 and the second light source 30 are connected with the plug-in unit 21 through the connecting seat.

The application 3D bladder renal pelvis endoscope system when using, the bladder renal pelvis endoscope stretches into the position that the patient need the operation, first light source 29 and the illumination of second light source 30, the image at operation position is shot to first electron camera 27 and second electron camera 28, and conveys the image among the image processor 1, image processor 1 handles (two image editions are synthesized) the image that first electron camera 27 and second electron camera 28 shot and shows on external display, recycles the polarizer to watch the stereoscopic image, and then medical personnel can distinguish organizational structure, more effective judgement position relation between each tissue.

Examples

The following examples are carried out in the conventional manner, unless otherwise specified.

Materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1

The 3D bladder pyeloscope system of this embodiment, including image processor 1, polarizer and bladder pyeloscope, bladder pyeloscope includes mirror tube 25, one end in the mirror tube 25 is provided with two electronic camera subassembly 26, first light source 29, second light source 30, first light source 29 and second light source 30 set up respectively in two electronic camera subassembly's both sides, two electronic camera subassembly include first electronic camera 27 and second electronic camera 28, just the incident light face of first electronic camera 27 with the contained angle between the incident light face of second electronic camera 28 is 180 for theta. The first light source 29 and the first electronic camera 27 are located on the same plane, and the second light source 30 and the second electronic camera 28 are located on the same plane.

The outer diameter of the lens tube 25 is 4-5mm, the inner diameter is 3.5-4.5mm, and the first light source 29 and the second light source 30 are micro LED light sources or light guide fibers.

The first electronic camera 27 and the second electronic camera 28 should satisfy: the viewing angle is 0 degrees, the viewing angle is 90-120 degrees, the resolution is more than or equal to 50 ten thousand pixels, and the depth of field is 2-55mm. Such as the OTOFA type electronic camera assembly by OminVision.

The parameters of the 3D cystoscope system are shown in table 1 and fig. 4.

Example 2 differs from example 1 in that the angle θ in example 2 is 190 °, and the parameters are shown in table 1 and fig. 7.

Example 3 differs from example 1 in that the angle θ in example 3 is 140 °, and the parameters are shown in table 1 and fig. 5.

Example 4 differs from example 1 in that the angle θ in example 4 is 90 °, and the parameters are shown in table 1 and fig. 6.

Comparative example 1 differs from example 1 in that the angle θ in comparative example 1 is 200 °, and the parameters are shown in table 1 and fig. 8.

Table 1 shows the performance parameters of the examples and comparative examples

And (4) summarizing: from the above table it can be seen that: the included angle theta of the two cameras is centered at 180 degrees, degrees are increased or decreased, the effective field angle is gradually decreased, the field depth range is gradually decreased, errors exist in calculation and measurement, and the change trend is clear.

While embodiments of the present application have been described above in connection with specific embodiments thereof, the present application is not limited to the above-described embodiments and fields of application, which are intended to be illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto and changes may be made without departing from the scope of the invention as defined by the appended claims.

Claims (11)

1. The bladder renal pelvis endoscope is characterized by comprising an endoscope tube, wherein a double-electronic camera assembly and an illuminating light source assembly are arranged at one end in the endoscope tube, the double-electronic camera assembly comprises a first electronic camera and a second electronic camera, an included angle formed between an incident light surface of the first electronic camera and an incident light surface of the second electronic camera is theta, and the theta satisfies that the theta is greater than or equal to 90 degrees and less than or equal to 190 degrees.

2. The cystoscope according to claim 1, wherein θ satisfies 160 ° ≦ θ ≦ 185 °.

3. The cystoscope according to claim 1, wherein θ satisfies 175 ° θ ≦ 185 °.

4. The cystoscope according to any one of claims 1-3, wherein the first electronic camera and the second electronic camera are symmetrically arranged along a central axis of the scope tube.

5. The cystoscope according to claim 4, wherein the illumination light source assembly comprises a first light source and a second light source, which are respectively located on both sides of the dual electronic camera assembly.

6. The cystoscope according to claim 5, wherein the first light source and the second light source have equal illumination.

7. The pyeloscope according to claim 6, wherein the first and second light sources are located on the same plane and symmetrically arranged along the central axis of the scope tube when θ is 180 degrees.

8. The cystoscope according to any one of claims 1 to 3, further comprising an adapter, wherein the adapter sleeve is arranged at one end of the endoscope tube far away from the dual-electronic-camera assembly.

9. The cystoscope according to any one of claims 1 to 3, wherein the scope tube has an outer diameter of 4-5mm and an inner diameter of 3.5-4.5mm.

10. The cystoscope according to any one of claims 1 to 3, wherein the light incident surface of the first electronic camera and the light incident surface of the second electronic camera are provided with an antifogging layer.

11. A 3D cystoscope system characterized in that it comprises an image processing system and a cystoscope according to any one of claims 1-10, which image processing system is connected to the cystoscope by a cable.

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