CN211796359U

CN211796359U - Endoscope with a detachable handle

Info

Publication number: CN211796359U
Application number: CN201922052023.8U
Authority: CN
Inventors: 丁治宇
Original assignee: Opcom Photovoltaic Dongguan Co ltd
Current assignee: Opcom Photovoltaic Dongguan Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-10-30
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an endoscope. The endoscope includes an insertion portion including a distal end portion. The front end portion comprises an outer cover body, a base, a camera module and an illuminating module. The outer cover body comprises a first accommodating space and a first opening, the first accommodating space is formed in the outer cover body, and the first opening is formed at one end of the outer cover body and communicated with the first accommodating space. The base is accommodated in the first accommodating space and corresponds to the first opening, the base comprises a second accommodating space and a second opening, the second accommodating space is formed in the base, the second opening is formed at one end of the base and is communicated with the second accommodating space, and the second opening corresponds to the first opening. The camera module is accommodated in the second accommodating space and corresponds to the second opening. The lighting module comprises a plurality of lighting assemblies, each lighting assembly comprises an optical axis and a light source, the light sources of the lighting assemblies are arranged on the outer periphery of the second opening in an opposite annular mode, and an included angle is formed between the optical axes of every two lighting assemblies arranged in an opposite mode.

Description

Endoscope with a detachable handle

Technical Field

The present invention relates to an endoscope, and more particularly to an endoscope having a lighting assembly with different optical axes and different directions of the optical axes, and the lighting assembly is disposed opposite to the front end of the insertion portion of the mounting surface of the lighting assembly, and the optical axes of the lighting assembly disposed opposite to each other form an included angle therebetween.

Background

In the existing endoscope, the actual situation of the affected part in the body of the patient can be clearly observed and known, and then the treatment and other measures are taken, even the endoscope is used to invade the body of the patient for carrying out related operations and treatments, so the endoscope not only can be used for observing the situation of the affected part, but also can be used for carrying out various invasive operations and treatments when necessary.

The endoscope generally has a multi-lumen insertion tube, i.e. the insertion tube has multiple channels at the same time, so that if the user needs to do so, the insertion tube can provide multiple instrument channels and a lens channel to be arranged therein, and the front end of the insertion tube is provided with a tip head, and the tip head is also provided with multiple through holes opposite to each other to communicate the multiple instrument channels and a camera head for accommodating a camera module.

Generally, a camera of an endoscope is matched with at least one or more illumination assemblies to provide illumination, so that the camera can capture an image through the illumination assemblies, however, generally, the illumination assemblies are only arranged near the camera and all provide illumination towards the same illumination range, and even the illumination assemblies and the camera are in the same plane to perform illumination, when the camera captures the image, the brightness of the illumination is too bright, so that bright spots and glare are generated, even the situation of faint causes image distortion, finally, the real situation cannot be accurately judged, the real cause is really found, and the condition of a patient is possibly delayed.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide an endoscope, wherein an illumination module having a plurality of illumination assemblies is disposed at a front end of an insertion portion of the endoscope, and an included angle between optical axes of every two illumination assemblies disposed opposite to each other is slightly obtuse, the illumination assembly surrounds an outer periphery of a second opening of a base disposed on a camera module, so that the illumination assembly can provide sufficient illumination and brightness, and further the image captured by the camera module has no bright spot, halation or glare, so that a user can obtain an accurate judgment and reliability of the whole image is improved.

In order to achieve the purpose, the utility model also provides an endoscope. The endoscope includes an insertion portion. The insertion portion includes a front end portion. The front end part comprises an outer cover body, a base, a camera module and a lighting module. The outer cover body comprises a first accommodating space and a first opening, the first accommodating space is formed in the outer cover body, and the first opening is formed at one end of the outer cover body and communicated with the first accommodating space. The base is accommodated in the first accommodating space and corresponds to the first opening, the base comprises a second accommodating space and a second opening, the second accommodating space is formed in the base, the second opening is formed at one end of the base and is communicated with the second accommodating space, and the second opening corresponds to the first opening. The camera module is accommodated in the second accommodating space and corresponds to the second opening. The lighting module comprises a plurality of lighting assemblies, each lighting assembly comprises an optical axis and a light source, the light sources of the lighting assemblies are respectively arranged on the outer periphery of the second opening in an opposite annular mode, and an included angle is formed between the optical axes of every two lighting assemblies arranged in an opposite mode.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Drawings

Fig. 1 is a schematic side view of the configuration of the distal end portion of the insertion portion of the endoscope according to the embodiment of the present invention.

Fig. 2 is a schematic plan view of the structure of the distal end portion of the insertion portion of fig. 1.

Fig. 3 is an exploded view of the front end of the insertion portion according to an embodiment of the present invention.

Fig. 4 is a schematic side sectional view of the front end of the insertion portion according to an embodiment of the present invention.

Detailed Description

The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:

fig. 1 is a schematic side view of the configuration of the distal end portion of the insertion portion of the endoscope according to the embodiment of the present invention. Fig. 2 is a schematic plan view of the structure of the distal end portion of the insertion portion of fig. 1. Fig. 3 is an exploded view of the front end of the insertion portion according to an embodiment of the present invention. Fig. 4 is a schematic side sectional view of the front end of the insertion portion according to an embodiment of the present invention. Referring to fig. 1 to 4, the endoscope 100 includes an insertion portion 200. In one embodiment, the insertion portion 200 may be a tubular structure, and the interior thereof is hollow, and has a through hole or a channel, so that the insertion portion 200 can be inserted into an organ, an affected part or a cavity of a patient's body as a medium for operation or observation during operation or observation using the endoscope 100. The insertion portion 200 further includes a front end 300, a bending portion (not shown), and an extending portion (not shown). In this embodiment, the endoscope 100 may be a reusable endoscope 100 or a disposable endoscope 100, and the insertion tube 200 may be a flexible tube or a rigid tube, so that the user can select the reusable endoscope 100 or the disposable endoscope 100 according to the requirement, and further select the insertion tube 200 as a flexible tube or a rigid tube according to the requirement, but the present invention is not limited thereto.

In the embodiment, the front end 300 of the insertion portion 200 further includes an outer housing 310, a base 320, a camera module 330 and an illumination module 340. The base 320, the camera module 330 and the illumination module 340 are disposed in the housing body 310. Further, the outer housing 310 includes a first receiving space 311 and a first opening 312, the first receiving space 311 is formed in the outer housing 310, and the first opening 312 is formed at one end of the outer housing 310 and is communicated with the first receiving space 311. In practical terms, the outer cover 310 may further include a third opening (not shown), the third opening is formed at the other end of the outer cover 310 and is communicated with the first accommodating space 311, and the first opening 312, the first accommodating space 311 and the third opening which are communicated with each other form a channel or a through hole in the outer cover 310. The shape of the outer cover 310 is tubular or cylindrical, the material of the outer cover 310 is plastic, acrylic or resin, and the outer cover 310 can be made of translucent or transparent material according to the requirement, for example, to make the camera module 330 clearly shoot images, and the illumination module 340 can emit strong light and clearly illuminate, so that the outer cover 310 can be made of translucent or transparent material. Here, the outer cover 310 is made of plastic and is transparent as a whole, so as to achieve the waterproof effect.

In the embodiment, the base 320 is accommodated in the first accommodating space 311 and corresponds to the first opening 312, the base 320 includes a second accommodating space 321 and a second opening 322, the second accommodating space 321 is formed in the base 320, the second opening 322 is formed at one end of the base 320 and is communicated with the second accommodating space 321, and the second opening 322 corresponds to the first opening 312. Further, since the base 320 is located in the outer cover 310 and the second opening 322 is located in the first opening 312, the first opening 312 and the second opening 322 may be on the same plane or different planes. The base 320 further includes a fourth opening (not shown) formed at the other end of the base 320 and connected to the second accommodating space 321, and a through hole or a channel can be formed in the base 320 by the second opening 322, the second accommodating space 321 and the fourth opening.

In an embodiment, the camera module 330 is accommodated in the second accommodating space 321 of the base 320 and corresponds to the second opening 322, and further, the camera module 330 further includes at least one lens 331 and a sensor 332, the lens 331 further corresponds to and is disposed in the second opening 322, the sensor 332 is further disposed at the other end of the base 320, and the at least one lens 331 or the plurality of lenses 331 are arranged to capture a light beam and convert the light beam into a clear image according to the sensor 332.

In an embodiment, the illumination module 340 includes a plurality of illumination elements, and the illumination module 340 includes a first illumination element 341 and a second illumination element 342. Each of the illumination assemblies 341,342 includes an optical axis 341 ', 342' and a light source (not shown), the light sources of each of the illumination assemblies 341,342 are respectively disposed around the outer periphery of the second opening 322 in opposite directions, an included angle a is formed between the optical axes 341 ', 342' of each two oppositely disposed illumination assemblies 341,342, and the included angle is an obtuse angle, for example, an angle of 120 degrees is formed by combining the optical axes 341 ', 342' of the two oppositely disposed illumination assemblies 341,342, or more, an angle of more than 90 degrees and less than 180 degrees is formed between the optical axes 341 ', 342'.

Furthermore, for example, the first illumination element 341 and the second illumination element 342 of the illumination module 340 are opposite, that is, the first illumination element 341 and the second illumination element 342 are facing in a general direction but disposed on different planes, so that an included angle a can be formed between the optical axis 341 'of the first illumination element 341 and the optical axis 342' of the second illumination element 342, in practice, the illumination module 340 includes a plurality of mounting surfaces (not shown), the first illumination element 341 and the second illumination element 342 are disposed on the mounting surfaces, respectively, the optical axes 341 ', 342' of the first illumination element 341 and the second illumination element 342 are substantially parallel to the normal of the mounting surfaces on which they are disposed, and the optical axes 341 ', 342' of the first illumination element 341 and the second illumination element 342 are further substantially on the central point (not shown) of the light sources thereof. Therefore, in the present embodiment, since the installation surfaces of the first illumination assembly 341 and the second illumination assembly 342 are different planes, an included angle a exists between the optical axes 341 ', 342' of the first illumination assembly 341 and the second illumination assembly 342, and it can be further an included angle a formed by the optical axes 341 ', 342' of each two illumination assemblies disposed oppositely, for example, the optical axes 341 ', 342' of the first illumination assembly 341 and the second illumination assembly 342 form an obtuse angle. Here, the included angle a is about 120 degrees. In the present embodiment, the

illumination elements

341 and 342 of the illumination module 340 may be Light-emitting or illuminating elements such as Light-emitting diodes (LEDs).

Because the optical axes 341 ', 342' of the illumination assemblies 341,342 form an included angle a therebetween, and the arrangement of the illumination assemblies 341,342 can not only provide a wide range of illumination for the camera module 330 of the endoscope 100, but also prevent bright spots, halation and glare from being caused on the image.

In one embodiment, the base 320 further includes a plurality of grooves 323, each groove 323 is disposed around the surface of the base 320, and each illumination element 341,342 is disposed in each groove 323; the illumination module 340 further includes a circuit board 343, the circuit board 343 is accommodated in the first accommodating space 311 of the housing 310, the circuit board 343 includes a plurality of connecting wires 3431, each connecting wire 3431 is disposed on the base 320 and is connected to each

illumination assembly

341, 342. Furthermore, the connecting wires 3431 of the circuit board 343 are disposed in the grooves 323 for connecting the lighting elements 341,342, respectively. In practice, the circuit board 343 may be a flexible circuit board, and the circuit board 343 is further located at the other end of the base 320, and further, the sensor 332 of the camera module 330 is further disposed between the circuit board 343 and the base 320. Since the circuit board 343 is a flexible circuit board with elasticity, the circuit board 343 can be folded into any shape or body, such as a cube or a rectangular parallelepiped, to be disposed in the first receiving space 311 of the housing 310.

In summary, the illumination module 340 having the plurality of

illumination assemblies

341 and 342 is disposed at the front end 300 of the insertion portion 200 of the endoscope 100, and the included angle a between the optical axes 341 'and 342' of each two

opposite illumination assemblies

341 and 342 is an approximate obtuse angle, and the

illumination assemblies

341 and 342 surround the outer periphery of the second opening 322 of the base 320 disposed on the camera module 330, so that the illumination assemblies 341 and 342 not only can provide sufficient illumination and brightness, but also can make the image captured by the camera module 330 have no bright spots, halation and glare, so that the user can obtain an accurate judgment, and the reliability of the whole image is improved.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. An endoscope comprising an insertion portion including a tip portion, wherein the tip portion comprises:

the outer cover body comprises a first accommodating space and a first opening, the first accommodating space is formed in the outer cover body, and the first opening is formed at one end of the outer cover body and is communicated with the first accommodating space;

a base, accommodated in the first accommodating space and corresponding to the first opening, the base including a second accommodating space and a second opening, the second accommodating space being formed in the base, the second opening being formed at one end of the base and communicating with the second accommodating space, the second opening corresponding to the first opening;

the camera module is accommodated in the second accommodating space and corresponds to the second opening; and

and the lighting module comprises a plurality of lighting assemblies, each lighting assembly comprises an optical axis and a light source, the light sources of each lighting assembly are oppositely arranged on the outer periphery of the second opening in a ring mode, and an included angle is formed between the optical axes of every two lighting assemblies which are oppositely arranged.

2. The endoscope as defined in claim 1, wherein said angle between said optical axes of each two oppositely disposed illumination assemblies is an obtuse angle.

3. The endoscope as defined in claim 1, wherein the base further comprises a plurality of grooves, each of the grooves surrounding a surface of the base, each of the illumination assemblies being disposed within each of the grooves.

4. The endoscope as defined in claim 1, wherein said outer housing is made of plastic, acrylic or resin.

5. The endoscope of claim 1, wherein the camera module comprises at least one lens.

6. The endoscope as defined in claim 1, wherein the illumination module further comprises a circuit board, the circuit board comprises a plurality of connecting wires, the circuit board is received in the first receiving space of the housing, the connecting wires are disposed on the base, and the circuit board is connected to the illumination assemblies through the connecting wires respectively.

7. The endoscope of claim 6, wherein said circuit board is a flexible circuit board.

8. The endoscope of claim 1, wherein the illumination module further comprises a circuit board, the circuit board comprises a plurality of connecting wires, the base further comprises a plurality of grooves, the circuit board is received in the first receiving space of the housing, and the connecting wires of the circuit board are respectively disposed in the grooves and connected to the illumination assemblies.