CN211213051U - Focus-adjustable split eyepiece fiber endoscope - Google Patents

Abstract

The utility model discloses a components of a whole that can function independently eyepiece fibre endoscope can focus, including the part of working and the part of visualing, the working part includes work mirror tube, handle, connecting pipe, illumination optic fibre, biography image optic fibre, and the left end portion in the handle is installed the work mirror tube, and the right-hand member of handle passes through the connecting pipe to be connected with the connecting seat, and the part of visualing includes operating handle and focusing button, and connecting sleeve is installed in the operating handle interior left side. When the visual connecting device is used, the connecting seat of the working part is inserted into the connecting sleeve of the visual part, the inner side wall of the connecting sleeve is provided with a plurality of balls, and the balls are connected with and fixed to the annular fixing groove of the connecting seat in a sliding mode. The utility model discloses an endoscope divide into two parts with traditional superfine fiber endoscope, and the work portion assembly is simple, has reduced spare part expense, can disinfect the disinfection alone in the hospital, and overall structure accomplishes sealed withstand voltage easily. The maintenance is dismantled simply after damaging, can effectual reduction maintenance time and cost of maintenance.

Description

Focus-adjustable split eyepiece fiber endoscope

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a focus-adjustable split eyepiece fiber endoscope.

Background

In the aspect of medical treatment, the application of the superfine fiber endoscope is quite wide, the internal images of the tiny cavities and ducts of the human body can be observed by the existing superfine fiber endoscope, and the use amount is increased year by year. The superfine fiber endoscope generally adopts a quartz fiber bundle to transmit images, the diameter of a working lens tube is phi 0.4 mm-phi 1.5mm, the working lens tube is thin, the working lens tube can be damaged by carelessness in the using process, and the quartz fiber bundle cannot be repaired and can only be replaced again after the images are transmitted. In order to ensure that images are clear, a conventional endoscope needs to be sealed, and all interfaces and joints need to be sealed, so that image blurring caused by water vapor entering is prevented. Therefore, the packaging is carried out by using epoxy resin glue during assembly, and pressure resistance and temperature resistance are guaranteed. When the parts are repaired and disassembled, the packaging adhesive is softened by high temperature to disassemble the parts, and partial parts can be damaged. At present, the superfine fiber endoscope has more and more maintenance amount, high maintenance difficulty, complex operation, high technical requirement and high maintenance price. The clinical application of the microfiber endoscope is affected by the care taken by the physician or by other clinical methods when using such devices.

In order to solve the problem, the utility model provides a but focus adjustment components of a whole that can function independently eyepiece fiber endoscope, the quartz fiber bundle that will damage easily passes the image, the working part that gets into the human body is constituteed to the optic fibre leaded light bundle, and the part is visualized to hou mian eyepiece and connection eye-shade constitution. Through the reliable connection of the two, when guaranteeing the clinical use of superfine fiber endoscope, avoided the vexation of maintenance dismantlement.

Disclosure of Invention

An object of the utility model is to provide a components of a whole that can function independently eyepiece fibre endoscope can focus to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a focus-adjustable split eyepiece fiber endoscope comprises a working part and a visual part, wherein the working part and the visual part are installed together, the working part comprises a working lens tube, a handle, a connecting tube, an illuminating fiber and an image transmitting fiber, the working lens tube is installed at the left end part in the handle, the right end of the handle is connected with a connecting seat through the connecting tube, a light source interface is arranged at the upper end of the connecting seat, an access light source is used for endoscope illumination, the image transmitting fiber is introduced into the connecting seat, an image transmitting fiber image holding surface is formed at the tail end of the connecting seat by an acquired image, and an annular fixing groove of the connecting seat is formed in the connecting seat for reliable and convenient connection;

the part of visualing includes operating handle and focusing button, connecting sleeve is installed on the left side in the operating handle, during the use, push down the operating handle of the part of visualing, make the pressure spring shrink, 4 balls are not hard up owing to obtain the space on operating handle, the ball can move outside connecting sleeve's hole completely, at this moment, the connecting seat of working part can enter into operating handle, loosen operating handle, the pressure spring is bounced, promote operating handle and slide, 4 balls are pressed to connecting sleeve's axle center by operating handle, and press in the annular fixed slot on the working part connecting seat, play the fixed action.

The right-hand member cover in the outside of operating handle is equipped with the focusing button, and the left side of focusing button is detained on operating handle through the buckle closure, and the inboard of buckle closure still is equipped with the stall round pin in the junction of operating handle and focusing button, and the right-hand member of focusing button is equipped with the eye-shade of visualing, is equipped with sliding screw between the inboard of focusing button and the operating handle.

An eyepiece barrel assembly capable of moving back and forth is arranged on the right side of the connecting sleeve in the operating handle, and an amplifying eyepiece group is arranged in the eyepiece barrel assembly; the endoscope image is observed from the appearance of the visual eye patch, the focusing button is rotated, the magnifying eyepiece group is driven to move back and forth through the sliding screw, the distance between the magnifying eyepiece group and the image transmission optical fiber image is adjusted, and a clear image is obtained.

As a further proposal of the utility model, the right end of the working lens tube in the handle is connected with the lighting fiber and the image transmission fiber.

As a further proposal, the one end of the illuminating optical fiber remote working lens tube is connected with the light source interface.

As a further proposal of the utility model, the one end of the image transmission optical fiber remote working lens tube forms an image transmission optical fiber image overlord surface on the connecting seat.

As a further aspect of the present invention, the number of the balls is three or four.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an endoscope divide into two parts with traditional superfine fiber endoscope, and the work portion assembly is simple, has reduced spare part expense, can disinfect the disinfection alone in the hospital, and overall structure accomplishes sealed withstand voltage easily. The maintenance is dismantled simply after damaging, can effectual reduction maintenance time and cost of maintenance.

2. The visual part of the utility model can not be sterilized and disinfected because of not contacting with the human body, thereby reducing the damage probability, and can not be sealed and pressure-resistant, and the maintenance is convenient; the device can also be used as a universal part and is connected with different working parts through a focal length adjusting device.

3. The working part of the superfine fiber endoscope of the utility model has simple structure, greatly reduced cost and reduced purchase cost for hospitals when in maintenance and replacement.

Drawings

FIG. 1 is a schematic structural diagram of a working part in a focus-adjustable split eyepiece fiber endoscope.

Fig. 2 is a schematic view of a visual part of a focus-adjustable split eyepiece fiber endoscope.

FIG. 3 is a schematic structural view of the working part and the visual part of the focus adjustable split eyepiece fiber endoscope during insertion and extraction.

Fig. 4 is a schematic structural diagram of the working part and the visual part of the focus-adjustable split eyepiece fiber endoscope when locked.

In the figure: 1. a working mirror tube; 2. a handle; 3. a connecting pipe; 4. an illumination fiber; 5. image transmission optical fiber; 6. a light source interface; 7. a connecting seat; 7.1, connecting seat image transmission optical fiber image domination surface; 8. a ring-shaped fixing groove of the connecting seat; 9. an operating handle; 10. a connecting sleeve; 11. a ball bearing; 12. a pressure spring; 13. covering; 14. an eyepiece barrel assembly; 15. a sliding screw; 16. A focusing button; 17. a magnifying eyepiece group; 18. eye-shade of the eyes; 19. and a rotation stopping pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, in an embodiment of the present invention, a focus-adjustable split eyepiece fiber endoscope, includes a working portion and a visual portion, the working portion and the visual portion are mounted together, the working portion includes a working lens tube 1, a handle 2, a connecting tube 3, an illuminating fiber 4, an image-transmitting fiber 5, a connecting seat 7, the working lens tube 1 is mounted at a left end portion in the handle 2, the illuminating fiber 4 and the image-transmitting fiber 5 are mounted in the working lens tube 1, a right end of the handle 2 is connected to the connecting seat 7 through the connecting tube 3, the illuminating fiber 4 is mounted on a light source interface 6 through the connecting seat 7, the image-transmitting fiber 5 is introduced into the connecting seat 7 to form an image-transmitting fiber image overlock face 7.1 at a tail end of the connecting seat, and an annular fixing;

the visual part comprises an operating handle 9 and a focusing button 16, a connecting sleeve 10 is installed on the left side in the operating handle 9, a plurality of balls 11 are arranged on the inner side wall of the connecting sleeve 10, the number of the balls 11 is four, the balls 11 are slidably connected with an annular fixing groove 8 of the connecting seat, a pressure spring 12 is sleeved on the outer side of the connecting sleeve 10, an eyepiece sleeve assembly 14 is arranged on the right side, located on the connecting sleeve 10, in the operating handle 9, and an amplifying eyepiece group 17 is installed on the right side of the eyepiece sleeve assembly 14;

the right end of the outer side of the operating handle 9 is sleeved with a focusing button 16, the left side of the focusing button 16 is buckled on the operating handle 9 through a buckle cover 13, a rotation stopping pin 19 is further arranged at the joint of the operating handle 9 and the focusing button 16 on the inner side of the buckle cover 13, a visual eye patch 18 is arranged at the right end of the focusing button 16, and a sliding screw 15 is arranged between the inner side of the focusing button 16 and the operating handle 9.

The utility model discloses a theory of operation is:

when the visual eye-shade endoscope image adjusting device is used, the operating handle 9 of the visual part is pressed, the pressure spring 12 is contracted, the four balls 11 are loosened due to the fact that space on the operating handle 9 is obtained, the balls 11 can move out of holes of the connecting sleeve 10 completely, the connecting seat of the working part can enter the operating handle 9 at the moment, the operating handle 9 is loosened, the pressure spring 12 bounces to push the operating handle 9 to slide, the four balls 11 are pressed to the axis of the connecting sleeve 10 by the operating handle 9 and are pressed in the annular fixing groove 8 of the connecting seat of the working part to play a fixing role, an endoscope image is observed from the appearance of the visual eye-shade 18, the focusing button 16 is rotated, the magnifying eye-shade 17 can be driven to move back and forth through the sliding screw 15, the distance between the magnifying eye-shade 17 and the.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A focus-adjustable split eyepiece fiber endoscope is characterized by comprising a working part and a visual part, wherein the working part and the visual part are installed together, the working part comprises a working lens tube (1), a handle (2), a connecting tube (3), an illuminating optical fiber (4), an image transmitting optical fiber (5), a light source interface (6) and a connecting seat (7), the working lens tube (1) is installed at the left end part in the handle (2), the illuminating optical fiber (4) and the image transmitting optical fiber (5) are installed in the working lens tube (1), the right end of the handle (2) is connected with the connecting seat (7) through the connecting tube (3), the illuminating optical fiber (4) is led out from the light source interface (6) at the upper end of the connecting seat (7), and the image transmitting optical fiber (5) is led out from one end of the connecting seat, an image transmission optical fiber image dominating surface (7.1) is formed on the end surface of the connecting seat (7), and an annular fixing groove (8) of the connecting seat is arranged on the outer side surface of the connecting seat (7).

The visual part comprises an operating handle (9) and a focusing button (16), a connecting sleeve (10) is installed on the left side in the operating handle (9), a working part connecting seat (7) is inserted into the connecting sleeve (10), a plurality of balls (11) are arranged on the inner side wall of the connecting sleeve (10), the balls (11) are in sliding connection with an annular fixing groove (7.1) of the connecting seat, a pressure spring (12) is sleeved on the outer side of the connecting sleeve (10), an eyepiece barrel assembly (14) is arranged on the right side, located on the connecting sleeve (10), in the operating handle (9), and an amplifying eyepiece set (17) is installed on the right side of the eyepiece barrel assembly (14);

the right-hand member cover in the outside of operating handle (9) is equipped with focusing button (16), the left side of focusing button (16) is detained on operating handle (9) through buckle closure (13), and the inboard of buckle closure (13) still is equipped with at the junction of operating handle (9) and focusing button (16) and ends commentaries on classics round pin (19), the right-hand member of focusing button (16) is equipped with eye-shade (18), be equipped with between the inboard of focusing button (16) and operating handle (9) sliding screw (15).

2. The focus-adjustable split eyepiece fiber endoscope of claim 1, wherein the right end of the working endoscope tube (1) in the handle (2) is connected with an illumination fiber (4) and an image transmission fiber (5).

3. The focus-adjustable split eyepiece fiber endoscope of claim 2, wherein one end of the working lens tube (1) of the illumination fiber (4) is connected with a light source interface (6).

4. The focus-adjustable split eyepiece fiber endoscope of claim 2, wherein one end of the working lens tube (1) of the image transmission fiber (5) is introduced into the connecting seat (7) and forms an image transmission fiber image dominating surface (7.1) at the right end of the connecting seat (7).

5. The adjustable-focus split-eyepiece fiber endoscope of claim 1, wherein the number of the balls (11) is three or four.

Images