Electronic flexible lens

Abstract

The utility model belongs to the technical field of electronic flexible lenses, and particularly relates to an electronic flexible lens, which comprises an optical straight tube, one end of the optical straight tube is provided with an imaging mechanism used for realizing signal transmission of the electronic flexible lens, and the other end of the optical straight tube is also provided with an imaging mechanism used for signal imaging of the electronic flexible lens. The imaging mechanism comprises an eyepiece body fixedly installed at one end of the optical straight pipe, a light transmitting bundle connector is fixedly installed on the outer side of the eyepiece body, an optical fiber coupling adapter is embedded in the light transmitting bundle connector, and a light cone is further arranged at the end, close to the eyepiece body, of the light transmitting bundle connector. The end, close to the eyepiece main body, of the optical fiber bundle in the optical straight tube is connected with a light transmitting bundle connector, and a collimating lens is further arranged in the light transmitting bundle connector. According to the electronic flexible lens, the optical fiber coupling adapter for improving the coupling efficiency of the light source is arranged in the light transmitting bundle connector connected with the optical straight pipe, so that a stronger fluorescence signal is obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic soft mirror technical field especially electronic soft mirror. BACKGROUND

[0002] Electronic soft mirror is a kind of slender, flexible or rigid medical instrument, its front end is equipped with optical system and light source, is used to observe the internal organs and cavity of human body. It allows the doctor to carry out visual inspection and treatment inside the body without large-scale operation.

[0003] The existing use mode is mostly to send the end with optical system of electronic soft mirror into the human body, which will exist the following problems in actual operation:

[0004] In order to facilitate the work of electronic soft mirror, the light source for providing illumination is usually arranged on the optical system, but when facing the thick septum in the human body, the fluorescent signal emitted by the light source is difficult to penetrate the septum, the fluorescent transmission efficiency is low, and the excitation light loss is large. UTILITY MODEL CONTENT

[0005] In order to overcome the defects of the prior art pointed out above, the present application has been developed after a lot of creative labor is paid, and thus the utility model is completed.

[0006] Specifically, the technical problem to be solved by the utility model is to provide an electronic soft mirror to solve the technical problem that the current device is usually provided with a light source for providing illumination on the optical system to facilitate the work of electronic soft mirror, but when facing the thick septum in the human body, the fluorescent signal emitted by the light source is difficult to penetrate the septum, the fluorescent transmission efficiency is low, and the excitation light loss is large.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] An electronic soft mirror, comprising an optical straight pipe, one end of the optical straight pipe is provided with a display mechanism for realizing signal transmission of the electronic soft mirror, one end of the optical straight pipe is also provided with an imaging mechanism for signal imaging of the electronic soft mirror, and a calibration mechanism is further arranged on the optical straight pipe between the display mechanism and the imaging mechanism.

[0009] The display mechanism comprises an eyepiece body fixedly installed at one end of the optical straight pipe, light beam connectors are fixedly installed on the outer side of the eyepiece body, the light beam connectors are symmetrically distributed on the outer side of the eyepiece body, fiber coupling adapters are inlaidly installed in the light beam connectors, an optical taper is arranged at one end of the light beam connector close to the eyepiece body, an optical fiber bundle is further arranged in the optical straight pipe, one end of the optical fiber bundle close to the eyepiece body is connected with the light beam connector, and a collimating lens is further arranged in the light beam connector.

[0010] As a kind of improved technical solutions, the imaging mechanism further includes lens screw ring installed outside collimating lens, and the collimating lens is fixedly arranged on the step in the light guide beam connector.

[0011] As a kind of improved technical solutions, the eyepiece body is further movably connected with the pressure cap, and the pressure cap is located below the light guide beam connector, the eyepiece body is further provided with a spring, the spring is sleeved on the pressure cap, and the pressure cap has an integrally-formed cone cap portion, and the two ends of the spring are connected with the eyepiece body and the cone cap respectively.

[0012] As a kind of improved technical solutions, the imaging mechanism includes objective lens group fixed at one end of optical straight tube away from the eyepiece body, and relay lens group is arranged equidistantly in the optical straight tube, and interval snap ring is arranged between the relay lens group, and the optical fiber bundle in the light guide beam connector is located outside the interval snap ring.

[0013] As a kind of improved technical solutions, the imaging mechanism further includes electronic soft mirror adapter at one end of the eyepiece body away from the optical straight tube, and the eyepiece body is connected with sensing module and ultrasonic module respectively through the electronic soft mirror adapter.

[0014] As a kind of improved technical solutions, the imaging mechanism further includes chromatic aberration lens arranged in the lens screw ring, and annular clamping groove adapted to the chromatic aberration lens is formed in the inner side of the lens screw ring, and the chromatic aberration lens and the collimating lens are arranged in the annular clamping groove in sequence.

[0015] As a kind of improved technical solutions, the connecting mechanism further includes screw clamping ring installed outside the lens screw ring, the outer side of the lens screw ring is symmetrically distributed with first connecting groove, one end of the first connecting groove extends into the lens screw ring and communicates with the annular clamping groove, and the screw clamping ring is connected with the lens screw ring in screw thread cooperation through the first connecting groove.

[0016] As a kind of improved technical solutions, the imaging mechanism further includes optical elbow installed at one end of the optical straight tube away from the eyepiece body, and display connector is connected with the optical elbow away from the optical straight tube, and the optical elbow communicates with the optical straight tube.

[0017] As a kind of improved technical solutions, the connecting mechanism further includes docking end head between the optical elbow and the optical straight tube, threaded end is arranged at both ends of the docking end head, second connecting groove is formed in the outer side of the threaded end, the second connecting groove extends into the threaded end and respectively communicates with the optical elbow and the optical straight tube, and connecting screw ring is further arranged at both ends of the docking end head and connected with the threaded end in screw thread cooperation.

[0018] The utility model discloses the beneficial effect is:

[0019] 1. The utility model discloses a light source coupling efficiency is improved, and the output power of near infrared excitation light is further enhanced, and stronger fluorescent signal is obtained.

[0020] 2. The utility model discloses a threaded snap ring is rotated and removed along the lens thread ring and is close to the electronic soft mirror adapter one end, and the spacing of the first link groove is reduced, and the diameter of the annular clamping groove is slightly reduced, thereby guaranteeing the stability of the collimating lens and the chromatic aberration lens in the device, and reducing chromatic aberration.

[0021] 3. The utility model discloses the distance between the second link groove restores, and the threaded end deforms outward, so that the optical elbow and the optical straight pipe in the butt joint head are separated from the butt joint head, thereby exposing the objective lens group in the optical straight pipe to the outside, so that the objective lens group is broken, and the maintenance and replacement are carried out. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, and obviously, the following description in the drawing is only some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings. Wherein:

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model electronic soft mirror.

[0024] Figure 2 It is the cross section structure schematic diagram of the utility model electronic soft mirror.

[0025] Figure 3 It is the A part enlarged structure schematic diagram of the utility model electronic soft mirror. Figure 2

[0026] Figure 4 It is the imaging structure and the relevant structure explosion decomposition diagram of the utility model electronic soft mirror.

[0027] Figure 5 It is the butt joint head explosion decomposition structure schematic diagram of the utility model electronic soft mirror.

[0028] Mark explanation:

[0029] ​1, optical straight tube; 2, eyepiece main body; 3, light guide beam connector; 4, optical fiber coupling adapter; 5, optical cone; 6, collimating lens; 7, lens screw ring; 8, compression cap; 9, spring; 10, objective lens group; 11, relay lens group; 12, spacing snap ring; 13, electronic flexible scope adapter; 14, annular clamping groove; 15, chromatic aberration lens; 16, first adapter groove; 17, threaded snap ring; 18, sensing module; 19, ultrasonic module; 20, docking end; 21, optical elbow; 22, display connector; 23, threaded end; 24, second adapter groove; 25, adapter threaded ring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0032] Meanwhile, "and / or" or "and / or" appearing throughout the text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0033] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0034] For example, Figures 1 to 5As shown in the embodiment, the electronic flexible scope comprises an optical straight tube 1, one end of the optical straight tube 1 is provided with an imaging mechanism for realizing signal transmission of the electronic flexible scope, the one end of the optical straight tube 1 is also provided with an imaging mechanism for imaging the signal of the electronic flexible scope, the optical straight tube 1 is also provided with a calibration mechanism between the imaging mechanism and the imaging mechanism, the imaging mechanism comprises an eyepiece body 2 fixedly installed at one end of the optical straight tube 1, a light guide connector 3 is fixedly installed outside the eyepiece body 2, and the light guide connector 3 is symmetrically distributed outside the eyepiece body 2, a fiber coupling adapter 4 is embeddedly installed in the light guide connector 3, and a light cone 5 is arranged at one end of the light guide connector 3 close to the eyepiece body 2, the optical straight tube 1 is also provided with a fiber bundle, one end of the fiber bundle in the optical straight tube 1 close to the eyepiece body 2 is connected with the light guide connector 3, and a collimating lens 6 is arranged in the light guide connector 3, the fiber coupling adapter 4 in the light guide connector 3 can be used for beam collimation and can introduce excitation light into the transmission light of the electronic flexible scope with maximum efficiency, the light guide connector 3 can completely superimpose and couple the white light source of auxiliary illumination and the near-infrared excitation light source into the light cone 5, the coupling efficiency of the light source can be improved in the process of the fiber coupling adapter 4 transmitting to the light cone 5, the output power of the near-infrared excitation light is further enhanced, and stronger fluorescent signal is obtained.

[0035] The imaging mechanism further comprises a lens screw ring 7 installed outside the collimating lens 6, the collimating lens 6 is fixedly arranged on the inner step of the light guide connector 3 through the lens screw ring 7, the collimating lens 6 can converge the light source of auxiliary illumination and reduce the loss in the coupling process of the near-infrared excitation light, and the light source is output from the front end of the optical viewing tube after being transmitted through the fiber bundle in the optical straight tube 1.

[0036] The eyepiece body 2 is also movably connected with a compression cap 8, the compression cap 8 is located below the light guide connector 3, the eyepiece body 2 is also provided with a spring 9, the spring 9 is sleeved on the compression cap 8, the compression cap 8 has an integrally formed cone cap part, the two ends of the spring 9 are connected with the eyepiece body 2 and the cone cap respectively, and when the spring 9 restores and stretches, the compression cap 8 moves to the end close to the optical straight tube 1, so that the light rays in the light cone 5 are transmitted to the collimating lens 6 through reflection of the compression cap 8.

[0037] The imaging mechanism comprises an objective lens group 10 fixed at one end of the optical straight tube 1 away from the eyepiece body 2, the optical straight tube 1 is equidistantly arranged with a relay lens group 11, and a spacing clasp 12 is arranged between the relay lens group 11, and the fiber bundle in the light guide connector 3 is located outside the spacing clasp 12, and the objective lens group 10 can form an optical transmission system high-efficiency output together with the relay lens group 11, the eyepiece body 2 and the collimating lens 6.

[0038] The imaging mechanism further comprises an electronic soft lens adapter 13 arranged at the end of the eyepiece body 2 away from the optical straight tube 1, and the electronic soft lens adapter 13 is connected with the sensing module 18 and the ultrasonic module 19 respectively, the electronic soft lens adapter 13 can realize the electrical signal connection and data image conversion between the sensing module 18, the ultrasonic module 19 and the eyepiece body 2, the sensing module 18 is responsible for capturing the optical image collected by the end of the endoscope, and a CMOS or CCD sensor is usually used, the pixel size, resolution and frame rate of which directly affect the image quality and system performance, and the ultrasonic module 19 is composed of an integrated ultrasonic probe, so that the device can realize the ultrasonic imaging function.

[0039] The imaging mechanism further comprises an achromatic lens 15 arranged in the lens threaded ring 7, and the inner side of the lens threaded ring 7 is provided with an annular clamping groove 14 matched with the achromatic lens 15, and the collimating lens 6 and the achromatic lens 15 are arranged in the annular clamping groove 14 in sequence, at least one surface of the collimating lens 6 is aspherical, which can effectively reduce aberration and improve imaging quality, and the achromatic lens 15 is composed of lenses made of different materials and used for correcting chromatic aberration.

[0040] The connecting mechanism further comprises a threaded clamping ring 17 mounted on the outer side of the lens threaded ring 7, the outer side of the lens threaded ring 7 is symmetrically provided with a first connecting groove 16, one end of the first connecting groove 16 extends into the lens threaded ring 7 and communicates with the annular clamping groove 14, and the threaded clamping ring 17 is connected with the lens threaded ring 7 in threaded cooperation through the first connecting groove 16, the lens threaded ring 7 can adjust the diameter of the annular clamping groove 14 through the deformation of the first connecting groove 16, so that the position is stable without damaging the collimating lens 6 and the achromatic lens 15, and the threaded clamping ring 17 can rotate on the outer side of the lens threaded ring 7 and move the lens threaded ring 7 to the electronic soft lens adapter 13, thereby tightening the first connecting groove 16.

[0041] The imaging mechanism further comprises an optical elbow 21 mounted at the end of the optical straight tube 1 away from the eyepiece body 2, and the optical elbow 21 is connected with a display connector 22 at the end away from the optical straight tube 1, and the optical elbow 21 communicates with the optical straight tube 1, the optical elbow 21 can cooperate with the linear optical straight tube 1 to complete optical imaging, and the display connector 22 can connect the optical imaging completed by the optical elbow 21 with an external display, thereby facilitating the user to observe.

[0042] The connecting mechanism further comprises a butt joint head 20 between the optical bend pipe 21 and the optical straight pipe 1, both ends of the butt joint head 20 are provided with threaded ends 23, the outer sides of the threaded ends 23 are provided with second connecting grooves 24, the second connecting grooves 24 extend into the threaded ends 23 and are respectively communicated with the optical bend pipe 21 and the optical straight pipe 1, both ends of the butt joint head 20 are further provided with connecting threaded rings 25 which are threadedly connected with the threaded ends 23, the butt joint head 20 can connect the optical straight pipe 1 and the optical bend pipe 21 in a plug-in manner, the outer sides of the threaded ends 23 are provided with threads which are matched with the connecting threaded rings 25, the second connecting grooves 24 can deform the threaded ends 23 inwardly, so as to reduce the diameter of the inner ring of the threaded ends 23, when the connecting threaded rings 25 rotate along the threaded ends 23 to the center line of the butt joint head 20, the threaded ends 23 are deformed inwardly to fix the optical bend pipe 21 and the optical straight pipe 1 in the butt joint head 20 respectively.

[0043] In use, the white light source and the near-infrared excitation light source of the auxiliary illumination are completely coupled into the electronic soft mirror light cone 5 through the optical fiber coupling adapter 4 in the light guide beam joint 3 which is symmetrically distributed on the objective body 2, and then transmitted through the optical fiber bundle in the optical straight pipe 1 and output from the front end of the optical straight pipe 1, after the detection object is acted on by the dual-mode light source, the visible light image and the fluorescence image thereof are output with high efficiency through the optical transmission system composed of the objective group 10, the collimating lens 6 and the objective body 2, so as to improve the coupling efficiency of the light source, further enhance the output power of the near-infrared excitation light, and obtain stronger fluorescence signals, and in this process, the collimating lens 6 and the chromatic aberration lens 15 are arranged in the annular clamping groove 14 of the lens threaded ring 7 in sequence, and the threaded clamping ring 17 is rotated and moved along the lens threaded ring 7 to the end close to the electronic soft mirror adapter 13, so that the distance between the first connecting grooves 16 is reduced, the lens threaded ring 7 is deformed inwardly without damaging the collimating lens 6 and the chromatic aberration lens 15, so that the diameter of the annular clamping groove 14 is slightly reduced, so as to ensure the stability of the collimating lens 6 and the chromatic aberration lens 15 in the device and reduce chromatic aberration, and when the device is repaired, the connecting threaded rings 25 are rotated along the threaded ends 23 at both ends of the butt joint head 20, so that the connecting threaded rings 25 move in opposite directions on both sides of the center line of the butt joint head 20, the distance between the second connecting grooves 24 is restored, the threaded ends 23 are deformed outwardly, so that the optical bend pipe 21 and the optical straight pipe 1 which are plugged into the butt joint head 20 are separated from the butt joint head 20, so that the objective group 10 in the optical straight pipe 1 is exposed to the outside, so as to facilitate the repair and replacement of the objective group 10 when the objective group 10 is damaged.

[0044] It should be understood that the use of these embodiments is by way of illustration only and is not intended to limit the scope of the present application. In addition, it should also be understood that, after reading the technical content of the present application, those skilled in the art can make various modifications, modifications and / or variations to the present application, and all of these equivalent forms also fall within the protection scope defined by the claims attached to the present application.

Claims

1. An electronic flexible scope, characterized by: The utility model provides an electronic flexible mirror, which comprises an optical straight pipe (1), one end of the optical straight pipe (1) is provided with a display mechanism for realizing electronic flexible mirror signal transmission, and the other end of the optical straight pipe (1) is provided with an imaging mechanism for imaging electronic flexible mirror signal, and the imaging mechanism and the display mechanism are connected through a connecting mechanism. The display mechanism comprises an eyepiece body (2) fixedly installed at one end of the optical straight pipe (1), the outer side of the eyepiece body (2) is fixedly installed with light guide beam connectors (3), the light guide beam connectors (3) are symmetrically distributed on the outer side of the eyepiece body (2), the light guide beam connectors (3) are all internally embedded with fiber coupling adapters (4), one end of the light guide beam connectors (3) close to the eyepiece body (2) is further provided with a light cone (5), the optical straight pipe (1) is further provided with a fiber bundle, and one end of the fiber bundle in the optical straight pipe (1) close to the eyepiece body (2) is connected with the light guide beam connectors (3), and the light guide beam connectors (3) are further provided with collimating lenses (6).

2. The electronic flexible scope of claim 1, wherein: The connecting mechanism comprises lens screw rings (7) installed on the outer side of the collimating lenses (6), and the collimating lenses (6) are fixedly arranged on the inner steps of the light guide beam connectors (3) through the lens screw rings (7).

3. The electronic flexible scope of claim 2, wherein: The eyepiece body (2) is further movably connected with a pressure cap (8), the pressure cap (8) is located below the light guide beam connectors (3), the eyepiece body (2) is further provided with a spring (9), the spring (9) is sleeved on the pressure cap (8), the pressure cap (8) has an integrally formed cone cap part, and the two ends of the spring (9) are respectively connected with the eyepiece body (2) and the cone cap.

4. The electronic flexible scope of claim 1, wherein: The imaging mechanism comprises an objective lens group (10) fixed at one end of the optical straight pipe (1) away from the eyepiece body (2), the optical straight pipe (1) is equidistantly arranged with relay lens groups (11), the relay lens groups (11) are all provided with spacing clamping rings (12), and the fiber bundle in the light guide beam connectors (3) is located on the outer side of the spacing clamping rings (12).

5. The electronic flexible scope of claim 3, wherein: The imaging mechanism further comprises an electronic flexible mirror adapter (13) at one end of the eyepiece body (2) away from the optical straight pipe (1), and the eyepiece body (2) is connected with a sensing module (18) and an ultrasonic module (19) through the electronic flexible mirror adapter (13).

6. The electronic flexible scope of claim 1, wherein: The imaging mechanism further comprises a chromatic aberration lens (15) arranged in the lens screw ring (7), the inner side of the lens screw ring (7) is provided with an annular clamping groove (14) matched with the chromatic aberration lens (15), and the chromatic aberration lens (15) and the collimating lens (6) are sequentially arranged in the annular clamping groove (14).

7. The electronic flexible scope of claim 2, wherein: The connecting mechanism further comprises a screw clamping ring (17) installed on the outer side of the lens screw ring (7), the outer side of the lens screw ring (7) is symmetrically provided with first connecting grooves (16), one end of the first connecting grooves (16) extends into the lens screw ring (7) and is connected with the annular clamping groove (14), and the screw clamping ring (17) is connected with the lens screw ring (7) through the first connecting grooves (16) in threaded cooperation.

8. The electronic flexible scope of claim 1, wherein: The imaging mechanism further comprises an optical elbow (21) installed at the end of the optical straight tube (1) away from the eyepiece body (2), and a display connector (22) is connected to the end of the optical elbow (21) away from the optical straight tube (1), and the optical elbow (21) and the optical straight tube (1) are connected in communication.

9. The electronic flexible scope of claim 8, wherein: The connecting mechanism further comprises a butt joint head (20) between the optical elbow (21) and the optical straight tube (1), both ends of the butt joint head (20) are provided with threaded ends (23), the outer sides of the threaded ends (23) are provided with second connecting grooves (24), the second connecting grooves (24) extend into the threaded ends (23) and are in communication with the optical elbow (21) and the optical straight tube (1) respectively, and both ends of the butt joint head (20) are provided with connecting threaded rings (25) threadedly connected with the threaded ends (23).

Images