CN213821321U - Micro-endoscope and micro-endoscope system - Google Patents

Abstract

The utility model discloses a micro-endoscope, including fixed unit and imaging unit, imaging unit includes two sets of optical processing subassemblies that parallel, optical processing subassembly includes objective, focusing module, CMOS, illumination optic fibre, optical fiber interface and signal line, wherein, imaging unit's rear end is connected fixed unit, imaging unit's front end sets up objective, one side of objective sets up focusing module, sets up the illumination optic fibre that runs through imaging unit front and back between two objective, illumination optic fibre gets into through the optical fiber interface presentation unit and extends to the eyepiece front end; the objective lens is connected to the CMOS, and the target area forms a three-dimensional image in the CMOS through the objective lens and is output through a signal line. The utility model provides a pair of micro-endoscope and micro-endoscope system can directly acquire the 3D image, simplifies the system architecture.

Description

Micro-endoscope and micro-endoscope system

Technical Field

The utility model relates to the field of medical equipment, concretely relates to micro-endoscope and micro-endoscope system.

Background

In 1921, the Swedish otorhinolaryngologist Nylen performed a first microsurgical procedure using a self-designed, fixed monocular surgical microscope. Over the course of 100 years, surgical microscopes have increasingly become an important tool for performing delicate surgical procedures commonly used in microsurgery.

During the process of using the surgical microscope, the angle of the surgical microscope needs to be adjusted frequently to meet different observation fields. Due to the depth of the observation site, a microscope stand is required to be able to accurately adjust the position of the microscope. The operation microscope is mainly suitable for the operation of fine tissue, tiny blood vessel and nerve to and other needs the meticulous operations that carry out with the help of the microscope, in order to obtain the stereogram, the operation is carried out simultaneously to two people of being convenient for, and the operation microscope designs into single binocular or double multi-purpose usually, is equipped with the electron eyepiece usually, and the electron eyepiece can be used for teaching or record the video with image transmission to the display screen. In order to move the operation microscope stably and conveniently, the operation microscope is also provided with a set of support, the requirement causes the optical system to have a complex structure and a large weight and size, the optical system can shield an operation area, a larger support structure is needed to maintain sufficient balance, and finally, the equipment is expensive, large and heavy, the flexibility is greatly limited, and the operation microscope is not convenient to move. Because the observation mode is that the doctor observes through the eyepiece with the eye, when constantly switching observation field and operation region, the lens needs frequent big regulation, leads to eye fatigue easily.

With the continuous development of life science, the traditional micro-endoscope can not meet the requirements of the existing operation, and a micro-endoscope system which can simply, conveniently and quickly provide an operation area image is urgently needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a micro-endoscope and micro-endoscope system, can directly acquire the 3D image, simplify the system architecture to prior art not enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of micro-endoscope, including fixed unit and imaging unit, the said imaging unit includes two groups of optical processing assemblies juxtaposed, the said optical processing assembly includes objective lens, focusing module, CMOS, lighting optic fibre and optical fiber interface, wherein, the rear end of the said imaging unit connects the said fixed unit, the front end of the said imaging unit sets up the objective lens, one side of the said objective lens sets up the focusing module, set up the lighting optic fibre which runs through the imaging unit front and back between two objective lenses, the said lighting optic fibre enters the said imaging unit and extends to the front end of eyepiece through the said optical fiber interface; the objective lens is connected to the CMOS.

Furthermore, the micro-endoscope also comprises a rod lens, the CMOS is positioned in the fixing unit, the focusing module and the rod lens are positioned between the objective lens and the CMOS, and the signal line and the optical fiber interface are positioned at the rear end of the fixing unit.

Further, the rod mirrors comprise a first rod mirror and a second rod mirror, and the first rod mirror and the second rod mirror are connected between the focusing module and the CMOS in series.

Furthermore, the micro-endoscope further comprises a fixing bayonet, the fixing bayonet is located in the fixing unit, the optical fiber interface is located at the rear end of the fixing unit, and the CMOS is located at the rear end of the focusing module.

Furthermore, the imaging unit further comprises a circuit board, and the circuit board is located at the rear end of the CMOS.

Furthermore, the micro-endoscope further comprises a 3D camera, the 3D camera is connected to the other end of the fixing unit, the CMOS is located in the 3D camera, and the optical fiber interface is located on one side of the imaging unit.

Furthermore, the micro-endoscope also comprises a rod lens, the focusing module is positioned at the front end of the objective lens, and the rod lens is positioned at the rear end of the objective lens.

A micro-endoscope system comprises the micro-endoscope, a support, a display screen and a processing host, wherein the display screen and the support are located above the processing host, the front end of the support is connected with the micro-endoscope, and images acquired by the micro-endoscope are transmitted to the display screen through a signal line to be displayed.

Further, the support is an M-axis mechanical arm, and M is any number greater than 2 and smaller than 8.

Further, the display screen is any type of 3D display screen.

The beneficial effects of the utility model reside in that: the display screen image of the middle micro-endoscope operation system of the utility model can present a 3D effect with good stereoscopic impression, and a doctor can perform an operation by only looking at the display screen, so that the real 3D image can be obtained compared with the prior 2D micro-endoscope operation system (MED) or the operation teaching endoscope system of Karl Storz, and the requirement of precise operation is met; compared with the structure adopting the traditional operation microscope, the technical proposal of the utility model obviously reduces the volume and the weight, so that the placing of the micro-endoscope is more flexible, and the operation area can be prevented from being shielded or the operation of a doctor can be prevented from being interfered because the technique of stabilizing the three axes of the holder or tracking the image at any visual direction angle can be realized; the utility model can also satisfy the disinfection method adopted by the existing medical instruments, and can satisfy the requirement that a plurality of people observe the three-dimensional image of the operation area; the utility model discloses a microscope endoscope eyepiece keeps away from the operation region, can prevent that liquid from polluting the eyepiece in the art, and sufficient distance also can prevent that the system from polluting the operation region.

Drawings

FIG. 1 is a schematic view of the external structure of a micro-endoscope according to the present invention;

FIG. 2 is a schematic structural view of a microendoscope in example 1;

FIG. 3 is a schematic structural view of a microendoscope in example 2;

FIG. 4 is a schematic structural view of a microendoscope in example 3;

fig. 5 is a schematic structural diagram of a medium-sized microendoscope system according to the present invention.

Reference numerals: the system comprises an imaging unit 1, a fixing unit 2, an objective lens 11, a focusing module 12, a CMOS 13, an illuminating optical fiber 14, a signal line 15, a first rod lens 16, a second rod lens 17, an optical fiber interface 18, a fixing bayonet 19, a circuit board 20, a lens bayonet 21, a 223D camera, a 3 micro endoscope 31, a support 31, a display screen 32, a processing host 33, an operation screen 34 and an interface 35.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

please refer to fig. 1, the utility model provides a pair of micro-endoscope, including fixed unit 2 and imaging unit 1, the imaging unit includes two sets of optical processing subassembly that parallel, the optical processing subassembly includes objective, focusing module, CMOS, illumination optic fibre, optical fiber structure and signal line, wherein, fixed unit is connected to imaging unit's rear end, imaging unit's front end sets up objective, one side of objective sets up focusing module, set up the illumination optic fibre that runs through imaging unit front and back between two objective, objective is connected to CMOS, CMOS converts objective formation of image content into three-dimensional image, and pass through signal line output with three-dimensional image. Wherein, the illumination optical fiber enters the imaging unit from the optical fiber interface and extends to the front of the objective lens for illuminating a target area.

The focusing module can adopt an electronic focusing module or a zooming focusing module, electronic focusing or zooming is added at the front end or the rear end of the eyepiece and matched with control software to realize automatic focusing and zooming at any position, and the micro-endoscope can acquire clear images within a certain distance range. The utility model discloses a two sets of optical processing subassembly that parallel, two sets of optical processing subassembly that parallel provide three-dimensional image like stereomicroscope and binocular vision, show through three-dimensional display technology and can supply many people to obtain three-dimensional visual sense simultaneously and be used for the operation or the teaching.

Example 1

As shown in fig. 2, the imaging unit of the medium microscope endoscope of the present invention includes two sets of parallel optical processing components, and the optical processing components include an objective lens 11, a focusing module 12, a CMOS 13, an illumination fiber 14, a rod lens, a signal line 15, and an optical fiber interface 18. The rod lens comprises a first rod lens 16 and a second rod lens 17 which are connected in series, the rear end of an imaging unit is connected with a fixing unit, the front end of the imaging unit is provided with an objective lens 11, the rear end of the objective lens 11 is provided with a focusing module 12, the rear end of the focusing module 12 is provided with the first rod lens 16, and the rear end of the first rod lens is provided with the second rod lens 17; in view of the juxtaposition of the two optical processing components between which the illumination fiber 14 is disposed, as shown in fig. 2, the illumination fiber 14 is located in the very center of the imaging unit for illuminating the target area. Two parallel optical processing assemblies are symmetrically distributed on two sides of the illumination optical fiber. The illumination optical fiber enters the imaging unit through the optical fiber interface and extends to the foremost end of the imaging unit. Light emitted by the light source is transmitted to a target area in front of the objective lens through the illumination optical fiber.

The CMOS 13 is located in a fixed unit and the target area is imaged in the CMOS after passing through the objective lens and the rod lens, and the image acquired in the CMOS is a three-dimensional image similar to the binocular vision of the human eye in view of the objective lens being two objective lenses in parallel. The signal line and the optical fiber interface are both positioned at the rear end of the fixing unit.

Example 2

As shown in fig. 3, the imaging unit of the medium microscope endoscope of the present invention includes two sets of parallel optical processing components, and the optical processing components include an objective lens 11, a focusing module 12, a CMOS 13, an illumination fiber 14, a signal line 15, and an optical fiber interface 18. The fixing unit comprises a fixing bayonet 19, and the fixing bayonet 19 is used for fixing the micro endoscope at the front end of the bracket or any other place where the micro endoscope can be fixed. The front end of the imaging unit is provided with an objective lens 11, the rear end of the objective lens 11 is provided with a focusing module 12, the rear end of the focusing module 12 is provided with a CMOS 13, the rear end of the CMOS 13 is provided with a circuit board 20, the circuit board 20 is used for transmitting image signals acquired by the CMOS to a display screen through a signal line for displaying, the distance between the circuit board and the CMOS cannot be too far, otherwise, the image signals of the CMOS are easily interfered.

Considering that the two optical processing components are arranged side by side, an illumination fiber is arranged between the two optical processing components, as shown in fig. 3, and the illumination fiber is positioned at the very center of the imaging unit and is used for illuminating the target area. Two parallel optical processing assemblies are symmetrically distributed on two sides of the illumination optical fiber. The illumination optical fiber enters the imaging unit through the optical fiber interface and extends to the foremost end of the imaging unit. The light emitted by the light source is transmitted to a target area in front of the objective lens through the illumination optical fiber

The target area is imaged in the CMOS after passing through the objective lens, and the objective lens is two parallel objective lenses, so that an image acquired in the CMOS is a three-dimensional image similar to a binocular object of human eyes; and the three-dimensional image after imaging is transmitted out through a fine signal line of the circuit board. The signal line and the optical fiber interface are both positioned at the rear end of the fixing unit.

Preferably, in order to better acquire the image of the region to be operated on, a deflection prism can be arranged in the optical imaging assembly, and the image observed by the objective lens can be effectively presented on a CMOS. In the embodiment, the objective lens and the adjusting module are mutually matched to form the ultrasonic focusing objective lens with two objective lenses for synchronously focusing.

Example 3

As shown in fig. 4, the utility model discloses well micro-endoscope includes imaging element, camera lens bayonet socket and 3D camera 22, and wherein the camera lens bayonet socket is fixed unit promptly, and camera lens bayonet socket 21 is together fixed with imaging element and 3D camera 22, and CMOS is arranged in the 3D camera, and the signal line is arranged in the rear end of 3D camera.

The optical processing assembly comprises an objective lens 11, a focusing module 12, a CMOS 13, an illumination optical fiber 14, a rod lens, a signal wire 15 and an optical fiber interface 18. The rod lens comprises a first rod lens 16 and a second rod lens 17 which are connected in series, the rear end of an imaging unit is connected with a fixing unit, the front end of the imaging unit is provided with an objective lens 11, the front end of the objective lens 11 is provided with a focusing module 12, the rear end of the objective lens 11 is provided with the first rod lens 16, and the rear end of the first rod lens 16 is provided with the second rod lens 17; in view of the juxtaposition of the two optical processing assemblies, between which an illumination fiber is disposed, as shown in fig. 4, the illumination fiber is located at the very center of the imaging unit for illuminating the target area. Two parallel optical processing assemblies are symmetrically distributed on two sides of the illumination optical fiber. The illumination optical fiber enters the imaging unit through the optical fiber interface and extends to the foremost end of the imaging unit; the optical fiber interface is positioned at one side of the imaging unit, and light emitted by the light source is transmitted to a target area in front of the objective lens through the illumination optical fiber.

The target area is imaged in the CMOS after passing through the objective lens and the rod lens, and the image acquired in the CMOS is a three-dimensional image similar to a binocular object of human eyes due to the fact that the objective lens is two objective lenses which are arranged in parallel. In this embodiment, the 3D camera including the CMOS and the imaging unit are detachable structures and are connected by a lens mount, and the 3D camera may include a single CMOS, a dual CMOS, or a triple CMOS.

It is worth explaining, the utility model discloses the focusing module can adopt electron focusing module or zoom focusing module in the above-mentioned embodiment, and focusing module can be located the front end or the rear end of objective, cooperates corresponding control program to carry out the formation of image to objective and adjusts. In the practical application process, the distance between the objective lens and the target area is usually set to be 10-100cm, high-definition imaging can be realized through focusing in the distance range, and the distance area can avoid the pollution of the objective lens and the blockage of an endoscope in the operation.

The optical structure of the optical processing assembly is similar to an endoscope, the size is remarkably reduced compared with that of a traditional operation microscope, meanwhile, any visual direction angle (the angle of the traditional operation microscope is only zero degree) can be realized, and when a proper angle is increased, the shielding of the instrument visual field can be greatly reduced in the vertical direction; the two groups of optical systems provide three-dimensional images like a stereo microscope and binocular vision, and after the three-dimensional images are displayed through a three-dimensional display technology (such as a naked eye 3D display screen or other 3D display screens) the three-dimensional images can be simultaneously obtained by multiple people and used for operations or teaching.

As shown in fig. 5, the utility model provides a pair of micro-endoscope system, including the micro-endoscope, support, display screen and the processing host computer that mention in the above-mentioned embodiment, display screen and support are located the processing host computer top, and the micro-endoscope is connected to the front end of support, and the image that the micro-endoscope acquireed passes through the signal line and transmits to the display screen on and show. The support is directly connected with the micro-endoscope through a bedside mechanical arm and a three-axis tracking holder and a quick interface connected with the micro-endoscope or a 3-7-axis robot beside the bed or arranged on a trolley, and can also be arranged on the ceiling of an operating room by adopting a suspension design. The outer side of the processing host machine also comprises an operation screen 34 and an interface 35, wherein the operation screen is provided with an adjusting button for adjusting various parameters of the micro endoscope and the micro endoscope system; the interface is used for connecting the system and external power supply and other devices.

The display screen 32 is used for displaying images captured by the three-dimensional imaging system, and can output the images to a 3D display screen or a 2D display screen or AR glasses.

The CMOS and other electronic imaging elements transmit the optical long-focus micro-endoscope image to the processing host computer through signal lines, and the processed image is transmitted to the display equipment, so that a two-dimensional or three-dimensional image of a target area can be observed. High-definition imaging can be realized by focusing according to the requirement of operation and setting the vertical distance of 10-100cm from the operation area (the distance can avoid pollution and obstruct the operation of instruments). When the 3D camera is connected, a 3D effect can be presented on the display equipment. The interface is designed for quick connection to a support.

The utility model discloses micro-endoscope mirror is because compact structure is small and exquisite, can carry out high pressure steam sterilization or low temperature plasma sterilization. The optical structure of the optical processing assembly is similar to an endoscope, the size is remarkably reduced compared with that of a traditional operation microscope, meanwhile, any visual direction angle (the angle of the traditional operation microscope is only zero degree) can be realized, and when a proper angle is increased, the shielding of the instrument visual field can be greatly reduced in the vertical direction; the two groups of optical processing systems provide three-dimensional images like a stereo microscope and binocular vision, and after the three-dimensional images are displayed by a three-dimensional display technology (such as a naked eye 3D display screen or other 3D display screens) the three-dimensional images can be simultaneously obtained by multiple people and used for operations or teaching.

The utility model relates to an objective front end adds electron focusing or zooms and cooperates software to realize at optional position automatic focusing and zooming, and this is also the apparent characteristics that are different from current endoscope and operation microscope.

The utility model discloses well micro-endoscope operation system's display screen image can demonstrate the good 3D effect of third dimension, and the doctor only needs to see display screen and can perform the operation, compares current 2D micro-endoscope operation system (MED) or Karl Storz's operation teaching system and can obtain true 3D image, satisfies the requirement of accurate operation.

The utility model discloses technical scheme is showing for the structure that adopts traditional operation microscope and has reduced the volume, weight for putting of micro-endoscope is more nimble, owing to can realize arbitrary viewing direction angle and the stable or image tracking technique of cloud platform triaxial, can avoid sheltering from the operation region or disturb doctor's operation.

The utility model discloses can also satisfy the disinfection method that current medical instrument adopted, can satisfy many people simultaneously and observe the three-dimensional image of operation region.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (10)

1. A kind of micro-endoscope, characterized by, including fixed unit and imaging unit, the said imaging unit includes two groups of optical processing assemblies juxtaposed, the said optical processing assembly includes objective lens, focusing module, CMOS, lighting optic fibre and optical fiber interface, wherein, the rear end of the said imaging unit connects the said fixed unit, the front end of the said imaging unit sets up the objective lens, one side of the said objective lens sets up the focusing module, set up the lighting optic fibre which runs through the front and back of the imaging unit between two objective lenses, the said lighting optic fibre enters the said imaging unit and extends to the anterior end of eyepiece through the said optical fiber interface; the objective lens is connected to the CMOS.

2. A microendoscope as claimed in claim 1, further comprising a rod lens, the CMOS being located in the fixed unit, the focusing module and rod lens being located between the objective lens and CMOS, and signal lines and fiber optic interfaces being located at a rear end of the fixed unit.

3. A microendoscope as claimed in claim 2, wherein the rod mirrors comprise first and second rod mirrors, the first and second rod mirrors being connected in series between the focusing module and the CMOS.

4. The microendoscope of claim 1, further comprising a mounting bayonet in the mounting unit, a fiber optic interface at a rear end of the mounting unit, and the CMOS at a rear end of the focusing module.

5. The microendoscope of claim 4, further comprising a circuit board in the imaging unit, the circuit board located at a rear end of the CMOS.

6. The microendoscope of claim 1, further comprising a 3D camera, wherein the 3D camera is connected to the other end of the fixing unit, the CMOS is located in the 3D camera, and the optical fiber interface is located at one side of the imaging unit.

7. The microendoscope of claim 6, further comprising a rod lens, wherein the focusing module is located at a front end of the objective lens and the rod lens is located at a rear end of the objective lens.

8. A microendoscope system, characterized by, including the microendoscope of claim 1, support, display screen and processing host computer, display screen and support are located above the processing host computer, the front end of support connects the microendoscope, the image that the microendoscope acquireed is transmitted to the display screen through the signal line and is shown.

9. A microendoscopy system as claimed in claim 8, wherein the support is an M-axis robotic arm, M being any number greater than 2 and less than 8.

10. A microendoscopy system as claimed in claim 8, wherein the display screen is a 3D display screen.

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