CN212788443U

CN212788443U - 3D endoscope

Info

Publication number: CN212788443U
Application number: CN201820287506.9U
Authority: CN
Inventors: 曾国华; 黎静; 曹后平; 赵艺
Original assignee: Guangzhou Red Pine Medical Equipment Co ltd
Current assignee: Guangzhou Red Pine Medical Equipment Co ltd
Priority date: 2018-02-28
Filing date: 2018-02-28
Publication date: 2021-03-26
Anticipated expiration: 2028-02-28

Abstract

The utility model relates to a 3D endoscope, including the insert tube, objective, eyepiece, luminous body and light field camera module, peep passageway and illumination channel in being equipped with in the insert tube, peep in the passageway including the objective setting, the luminous body setting is in illumination channel, be equipped with on the insert tube with peep the lens hole of passageway intercommunication and with the light outlet of illumination channel intercommunication, lens hole and objective phase-match, light outlet and luminous body phase-match, the eyepiece corresponds the setting with objective, light field camera module and eyepiece correspond the setting. Above-mentioned 3D endoscope, the insert tube is used for inserting patient's coelom, and the light that the luminous body in the illumination passageway sent shines on human tissue through the light-emitting hole, and objective passes through the lens hole and receives the image that comes from human tissue, and the eyepiece receives the image that comes from objective and passes to light field camera module with it and realizes three-dimensional formation of image to obtain the 3D image that has third dimension and spatial sensation, the person of facilitating the use accomplishes the operation.

Description

3D endoscope

Technical Field

The utility model relates to an endoscope technical field especially relates to a 3D endoscope.

Background

The endoscope is a medical instrument which is commonly used in medicine and can be sent into a human body cavity to inspect the pathological changes of human organs, and the pathological changes can be visually inspected and treated by using the endoscope. The use of an endoscope not only alleviates the pain of the patient, but also reduces the risk of surgical cross-infection. When performing endoscopic surgery using an existing endoscope, it is necessary to control a two-dimensional graphical field of view and perform surgical operations such as suturing and knot tying from a two-dimensional image. However, the visual information received by the user is relatively deficient, and lacks stereoscopic impression and sense of space, resulting in reduced hand-eye coordination.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses lie in overcoming prior art's defect, provide a 3D endoscope, provide the 3D image that has the third dimension and the sense of space for the user, be favorable to accomplishing the operation.

A3D endoscope comprises an insertion tube, an objective lens, an eyepiece, a light-emitting body and a light field camera module, wherein an endoscopic channel and a lighting channel are arranged in the insertion tube, the objective lens is arranged in the endoscopic channel, the light-emitting body is arranged in the lighting channel, a lens hole communicated with the endoscopic channel and a light outlet hole communicated with the lighting channel are formed in the insertion tube, the lens hole is matched with the objective lens, the light outlet hole is matched with the light-emitting body, the eyepiece corresponds to the objective lens, and the light field camera module corresponds to the eyepiece.

Above-mentioned 3D endoscope, the insert tube is used for inserting patient's coelom, and the light that the luminous body in the illumination passageway sent shines on human tissue through the light-emitting hole, and objective passes through the lens hole and receives the image that comes from human tissue, and the eyepiece receives the image that comes from objective and transmits it for light field camera module and realizes three-dimensional formation of image to obtain the 3D image that has third dimension and sense of space, the person of being convenient for accomplishes the operation. The light field camera module directly supports 3D by using an image obtained by a light field technology, only composition needs to be carried out in the shooting process, focusing is not needed, and meanwhile, focus can be transferred in real time, so that the use is convenient.

Further, the 3D endoscope also comprises at least two image transmitting lens arrays arranged between the objective lens and the eyepiece, and the at least two image transmitting lens arrays are arranged in the endoscopic channel at intervals. The image received by the objective lens is transmitted to the eyepiece through the image transmitting lens array, so that the reliable transmission of the image is ensured.

Furthermore, the 3D endoscope further comprises an operating handle and a lens bracket, the insertion pipe is sleeved on the operating handle, the ocular lens is installed in the lens bracket, the lens bracket is fixed on the operating handle, and the light field camera module is fixed on the lens bracket. The insertion pipe is sleeved on the operation handle, so that the operation handle is convenient to hold and operate. The eyepiece is installed in the mirror holder, and the mirror holder is fixed on the operating handle, and the light field camera module is fixed on the mirror holder, compact structure, easily use.

Furthermore, the endoscopic channel and the illumination channel are arranged in parallel, so that the manufacturing process is simplified, and the production cost is reduced.

Furthermore, the illumination channel comprises a first illumination channel and a second illumination channel, the light-emitting holes comprise a first light-emitting hole communicated with the first illumination channel and a second light-emitting hole communicated with the second illumination channel, and the first light-emitting hole and the second light-emitting hole are respectively arranged on two sides of the lens hole. The light that luminous body in the first illumination passageway and the luminous body in the second illumination passageway sent can shine human tissue simultaneously, improves the definition of formation of image.

Furthermore, the luminous body is a light guide beam, and reliable transmission of light can be realized.

Further, the 3D endoscope further comprises a cold light source, and the cold light source is connected with the light guide beam. The cold light source basically does not generate heat when working, and the operation safety is ensured.

Further, the light guide bundle is made of quartz fiber. The light guide beam made of quartz fiber can transmit light with high illumination and less heat.

Further, the insertion tube is made of metal. The insertion tube made of metal can play a role of protecting parts in the insertion tube.

Further, the 3D endoscope further comprises a 3D display, and the 3D display is electrically connected with the light field camera module to display the 3D image.

Drawings

Fig. 1 is a schematic structural diagram of a 3D endoscope according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken along direction A in FIG. 1;

fig. 3 is a schematic sectional view taken along the direction B-B in fig. 2.

Description of reference numerals:

10. an insertion tube 100, an endoscopic channel 110, a first illumination channel 120, a second illumination channel 20, an objective lens 30, a luminous body 40, a light field camera module 50, an image transmission lens array 60, an operation handle 70, a mirror frame 80 and a cold light source.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the 3D endoscope according to the present embodiment includes an insertion tube 10, an objective lens 20, an eyepiece, a light emitter 30, and a light field camera module 40, an endoscopic channel 100 and an illumination channel are disposed in the insertion tube 10, the objective lens 20 is disposed in the endoscopic channel 100, the light emitter 30 is disposed in the illumination channel, a lens hole communicating with the endoscopic channel 100 and a light exit hole communicating with the illumination channel are disposed on the insertion tube 10, the lens hole matches with the objective lens 20, the light exit hole matches with the light emitter 30, the eyepiece corresponds to the objective lens 20, and the light field camera module 40 corresponds to the eyepiece.

According to the 3D endoscope, the insertion tube 10 is used for being inserted into a body cavity of a patient, light rays emitted by the luminous body 30 in the illumination channel irradiate human tissues through the light outlet, the objective lens 20 receives images from the human tissues through the lens hole, the eyepiece receives the images from the objective lens 20 and transmits the images to the light field camera module 40 to realize three-dimensional imaging, so that 3D images with stereoscopic impression and spatial impression are obtained, and a user can complete an operation conveniently. The light field camera module 40 directly supports 3D by using an image obtained by a light field technology, only composition is needed in the shooting process, focusing is not needed, and meanwhile, focus can be transferred in real time, so that the use is convenient.

Further, the 3D endoscope further comprises at least two image transmitting lens arrays 50 disposed between the objective lens 20 and the eyepiece, and at least two image transmitting lens arrays 50 are disposed in the endoscopic channel 100 at intervals. The image received by the objective lens 20 is transmitted to the ocular lens through the image transmitting lens array 50, so that the reliable transmission of the image is ensured.

The 3D endoscope of this embodiment further includes an operation handle 60 and a frame 70, the insertion tube 10 is sleeved on the operation handle 60, the eyepiece is installed in the frame 70, the frame 70 is fixed on the operation handle 60, and the light field camera module 40 is fixed on the frame 70. The insertion tube 10 is sleeved on the operating handle 60 for convenient holding and operation. The eyepiece is mounted in the mirror holder 70, the mirror holder 70 is fixed to the operating handle 60, and the light field camera module 40 is fixed to the mirror holder 70, so that the structure is compact and the use is easy.

In the present embodiment, the endoscopic channel 100 and the illumination channel are arranged in parallel, so that the manufacturing process is simplified and the production cost is reduced. Specifically, the illumination channels include a first illumination channel 110 and a second illumination channel 120, the light emitting holes include a first light emitting hole communicated with the first illumination channel 110 and a second light emitting hole communicated with the second illumination channel 120, and the first light emitting hole and the second light emitting hole are respectively disposed on two sides of the lens hole. The light emitted by the luminous body 30 in the first illumination channel 110 and the light emitted by the luminous body 30 in the second illumination channel 120 can simultaneously irradiate on human tissues, so that the imaging definition is improved. It should be noted that the endoscopic channel 100, the first illumination channel 110 and the second illumination channel 120 in this embodiment are the same channel, and the lens hole, the first light exit hole and the second light exit hole in this embodiment are the same through hole, which saves space and reduces volume.

The light emitting body 30 described in this embodiment is a light guide bundle, and can realize reliable transmission of light. In other embodiments, the light 30 may also be an LED lamp or the like. Further, the 3D endoscope further comprises a cold light source 80, and the cold light source 80 is connected with the light guide beam. The cold light source 80 basically does not generate heat when working, and the operation safety is ensured.

Optionally, the light guiding bundle is made of quartz fiber. The light guide beam made of quartz fiber can transmit light with high illumination and less heat. The insertion tube 10 is made of metal. The insertion tube 10 made of metal can play a role of protecting parts inside the insertion tube 10.

In this embodiment, the 3D endoscope further includes a 3D display, and the 3D display is electrically connected to the light field camera module 40 to display a 3D image.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A3D endoscope is characterized by comprising an insertion tube, an objective lens, an eyepiece, a light emitter and a light field camera module, wherein an endoscopic channel and an illumination channel are arranged in the insertion tube, the objective lens is arranged in the endoscopic channel, the light emitter is arranged in the illumination channel, a lens hole communicated with the endoscopic channel and a light outlet hole communicated with the illumination channel are formed in the insertion tube, the lens hole is matched with the objective lens, the light outlet hole is matched with the light emitter, the eyepiece is arranged corresponding to the objective lens, and the light field camera module is arranged corresponding to the eyepiece; the illumination channel comprises a first illumination channel and a second illumination channel, the first illumination channel and the second illumination channel are internally provided with the luminous body, the light outlet comprises a first light outlet communicated with the first illumination channel and a second light outlet communicated with the second illumination channel, and the first light outlet and the second light outlet are respectively arranged on two sides of the lens hole.

2. The 3D endoscope of claim 1, further comprising at least two image transmitting lens arrays disposed between the objective lens and the eyepiece, the at least two image transmitting lens arrays being disposed spaced apart within the endoscopic channel.

3. The 3D endoscope of claim 1, further comprising a handle bar and a frame, the insertion tube being sleeved on the handle bar, the eyepiece being mounted in the frame, the frame being secured to the handle bar, the light field camera module being secured to the frame.

4. The 3D endoscope according to claim 1, wherein the endoscopic channel is juxtaposed with the illumination channel.

5. The 3D endoscope of claim 1, wherein the light is an LED light.

6. The 3D endoscope of claim 1, wherein the light emitter is a light guide bundle.

7. The 3D endoscope of claim 6, further comprising a cold light source coupled to the light guide beam.

8. The 3D endoscope of claim 6, wherein the light guide bundle is made of quartz fiber.

9. The 3D endoscope of claim 1, wherein the insertion tube is made of metal.

10. The 3D endoscope of any one of claims 1-9, further comprising a 3D display, the 3D display electrically connected to the light field camera module.