CN208510986U

CN208510986U - A kind of double end full view colon endoscope

Info

Publication number: CN208510986U
Application number: CN201721378668.5U
Authority: CN
Inventors: 乔晋崴; 刘娜
Original assignee: Qilu University of Technology
Current assignee: Qilu University of Technology
Priority date: 2017-10-24
Filing date: 2017-10-24
Publication date: 2019-02-19
Anticipated expiration: 2027-10-24

Abstract

The utility model relates to a kind of double end full view colon endoscope and its application methods, including sequentially connected operation portion, insertion section and bending section, it include the hose and flexible axle being coaxially distributed, flexible axle is located inside hose, there are eight in the hose and run through operation portion, the circular through hole of insertion section and bending section, detection pipeline is installed in the circular through hole, there are two forked sections for the bending section hose tool, forked section increases symmetrically arranged blind hole, there is elastic component in the blind hole, the bending section is arranged with compressing member, operation portion moves compressing member along the axial movement of bending section using soft axle transmission and screw pair transmission belt by driving device, and then the bifurcated for controlling forked section is opened and is collapsed, realize adjustment viewing angle, the colon endoscope of the utility model facilitates the three-dimensional information for obtaining characteristic point, and it realizes The observation of multi-angle, full view.

Description

A kind of double end full view colon endoscope

Technical field

The utility model relates to the field of medical instrument technology, and in particular to a kind of double end full view colon endoscope.

Background technique

Global colorectal cancer incidence rate has been located in the 3rd of male cancer, and the 2nd of female cancer, the wherein intestines in China Cancer morbidity speedup reaches average annual 4%, is 2 times of world standard.The reason is that the domestic endoscopy for colon is universal Rate is lower, and the early prevention of corresponding cancer and early diagnosis are also incomplete.

At present clinically, the inspection of colon mainly uses two kinds of equipment, and one kind is conventional colon endoscope, and another kind is glue Intracapsular sight glass.The former, moves forward scope by the action advances of doctor and the angle of bent front ends, while inflating to enteric cavity So that it is expanded and is strutted, and inner wall of intestine is observed in moving process, is recorded a video.But routine colon endoscope exists at present Limited viewing angle, active bending ability are insufficient in checking process, and inner wall of intestine has been covered with microvillus structure, general in vivo In accordion, so what the lesion for being hidden in the fold back side or villus depths was not easy to be found.

Capsule endoscope is a kind of novel detection device for digestive tract examining especially small bowel examination, be the advantage is that Check convenient, no pain.But compare conventional endoscope, emerging capsule endoscope technology there is also such as diagnosis it is not high and The disadvantages of function is limited.First, most of capsule endoscopes can only be moved with intestines peristalsis, so cannot be to suspected abnormality Observation is repeated；Second, equally being not easy to be found by capsule endoscope to the lesion for being hidden in the fold back side or villus depths. Function is limited to be referred to, the capsule endoscope of clinical use can only take pictures at present, and it is advanced not have actively walking, biopsy and application etc. Function.

In addition, the research of each ongoing capsule endoscope active drive of research institution is expected to improve existing clinical capsule Certain problems present in endoscopy, but that there are still peripheral auxiliary systems is complicated, equipment is expensive, can not adjust its camera lens side The problems such as to enteron aisle can not be expanded.

Utility model content

In order to overcome the above technical defects, the utility model provides a kind of double end full view colon endoscope, it is therefore an objective to solve Visual angle is narrow in the detection process, active bending force is insufficient for certainly existing conventional colon endoscope, can not find the fold back side or suede The technical problem of the lesion of hair depths, to achieve the goals above, the utility model adopts the following technical solution:

A kind of double end full view colon endoscope, including sequentially connected operation portion, insertion section and bending section, the insertion Inside portion and bending section insertion human colon road, operator controls the movement of bending section by operation portion, and the operation portion is inserted Entering portion and bending section includes the hose and flexible axle being coaxially distributed, and flexible axle is located inside hose, has in the hose along its section Eight symmetrical installations in operation portion, insertion section and the circular through hole of bending section, the circular through hole of face circular diameter Detection pipeline, bending section hose tool there are two forked section, forked section along its axially increased symmetrically arranged blind hole, There is elastic component in the blind hole, the bifurcated of two forked sections can be driven to open, the bending section is arranged with compressing member, operation Compressing member moves along the axial movement of bending section using soft axle transmission and screw pair transmission belt by driving device in portion, and then controls The bifurcated of forked section processed is opened and is collapsed.

Further, the detection pipeline includes along the symmetrical light pipe of hose diameter of section, pliers pipe, object lens Pipe and water pipe.

Further, the light pipe is located at the end position in bending section equipped with lighting device.

Further, the pliers pipe is located at the end position in bending section equipped with biopsy forceps.

Further, the objective lens tube is located at the end position in bending section equipped with camera.

Further, the water pipe is located at the end position in bending section equipped with spray head.

Further, there is external thread structure, the compressing member passes through institute on the flexible axle external peripheral surface of the bending section The flexible axle for stating external thread structure and bending section is cooperatively connected, and the bifurcated opening degree of the forked section of control.

Further, the compressing member is hollow nut, the compressing structure of internal thread structure and outer ring including inner ring, institute The internal thread structure and the external thread structure on the flexible axle of bending section for stating inner ring match, and the compressing structure of outer ring has to be cut along nut Two cavity structures of face diameter symmetry distribution, the sections of described two cavity structures be with forked section cross sectional shape phase, it is soft Two forked sections of pipe can protrude into two cavitys of compressing structure.

Further, the driving device is motor, and the output shaft of motor is fixedly connected with the end of flexible axle in operation portion.

Further, the elastic component is resilient metal strip, is bent into semicircle in its natural state.

Further, the operation portion is equipped with eight adjustable springs covered on detection pipeline, the adjustable spring one End is fixedly connected with the end face of operation portion hose, and the other end is fixedly connected with one end of the stretching hose of eight detection pipelines, For compensating the elongation or shortening amount of detection pipeline when curved forked section bifurcated opens or closes up automatically.

The utility model has the beneficial effects that

1, the colon endoscope of the utility model has two symmetrical cameras, simulates the visual theory of people, from Same position in two point observation enteron aisles, obtains the image under different perspectives, can be realized according to pixel between image Matching relationship, to obtain the three-dimensional information of characteristic point.

2, the colon endoscope of the utility model is equipped with resilient metal strip, is changed by the flexible deformation of resilient metal strip Become the viewing angle of camera, and is controlled by deflection of the compressing member to resilient metal strip, the achievable camera of maximum 180 ° of wide-angles overturning, realize the observation of multi-angle, full view.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.

Fig. 1 is the utility model colon endoscope overall structure diagram；

Fig. 2 is the utility model hose construction schematic diagram；

Fig. 3 be in the utility model Fig. 2 A to schematic cross-section；

Fig. 4 be in the utility model Fig. 2 B to schematic cross-section；

Fig. 5 is the utility model resilient metal strip structural schematic diagram under natural conditions；

Fig. 6 is the utility model resilient metal strip rounding state flowering structure schematic diagram；

Fig. 7 is the utility model flexible axle structural schematic diagram；

Fig. 8 is the utility model hollow nut structural schematic diagram；

Fig. 9 is the utility model bending section axis geodesic structure schematic diagram；

Figure 10 is the utility model operation portion axis geodesic structure schematic diagram；

Figure 11 is the utility model forked section open configuration structural schematic diagram；

Wherein: 1. operation portions, 2. insertion sections, 3. bending sections, 31. forked sections, 4. hoses, 5. flexible axles, 6. circular through holes, 7. rectangle blind hole, 8. resilient metal strips, 9. water pipes, 10. external thread structures, 11. hollow nuts, 111. internal thread structures, 112. compressing structure, 1121. cavity structures, 12. motors, 13. end caps, 14. adjustable springs, 15. light pipes, 16. pliers pipes, 17.CCD objective lens tube.

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

As background technique is introduced, that there is visual angles is narrow for existing routine colon endoscope, active bending force is insufficient, The technical problem of the lesion at the fold back side or villus depths can not be found, in view of the above-mentioned problems, present applicant proposes a kind of double ends Full view colon endoscope.

In a kind of exemplary embodiment of the application, as shown in figs. 1-11, a kind of double end full view colon endoscope, including Sequentially connected operation portion 1, insertion section 2 and bending section 3, the operation portion, insertion section and bending section include coaxially being distributed Hose 4 and flexible axle 5, flexible axle are located inside hose, and the hose is made of rubber-based products, have certain flexibility, pass through Injection molding forms, and the flexible axle is for Bowden cable, it can be achieved that the transmitting of torque, the hose is interior to be had along its section circular diameter Symmetrical eight run through operation portion, insertion section and the circular through hole of bending section 6.

Detection pipeline is installed in the circular through hole 6, the detection pipeline includes symmetrically dividing along hose diameter of section Light pipe 15, pliers pipe 16, CCD objective lens tube 17 and the water pipe 9 of cloth, the light pipe are that the optical fiber class with flexible metal armour produces Product, the end position being located in bending section are equipped with LED light, for increasing illuminance, the convenient observation to enteron aisle；The pliers pipe Including flexible metal armouring and it is wrapped in interior biopsy forceps operating rope, the end position being located in bending section is equipped with biopsy forceps, Living body sampling can be carried out to enteron aisle；The CCD objective lens tube is the CCD camera cable for being enclosed with flexible metal armouring, position It is equipped with CCD camera in the end position in bending section, for carrying out image information collecting to enteron aisle；The water pipe is located at bending End position in portion is equipped with spray head, can clean to the specified region in enteron aisle.

The hose of the bending section is cut along its diameter, forms two forked sections 31, and described two forked sections are cut Face shape is the arc less than semicircle, and the forked section is other than having eight detection pipelines, also along its diameter symmetry Two rectangle blind holes 7 distributed along its axial direction are added, resilient metal strip 8, the elasticity are installed in the rectangle blind hole Metal strip is strip, and end surface shape is the rectangle to match with rectangle blind hole, and in its natural state, resilient metal strip is curved Bent semicircular in shape, therefore in its natural state, resilient metal strip can drive two forked sections to open.

The flexible axle external peripheral surface of the bending section has external thread structure 10, is equipped on the external thread structure hollow Nut 11, the hollow nut have the internal thread structure 111 of inner ring and the compressing structure 112 of outer ring, and the hollow nut is logical The internal thread structure for crossing inner ring is assemblied on the flexible axle of bending section, and the compressing structure of outer ring is symmetrical along nut diameter of section Two cavity structures 1121, the sections of described two cavity structures be match with forked section cross sectional shape be less than semicircle Arc, two forked sections of hose can protrude into two cavitys of compressing structure, and axial direction of the hollow nut along bending section is moved Dynamic, under the action of compressing structure, two forked sections can realize gathering.

Axial movement of the hollow nut 11 along bending section is driven using driving device, and the driving device is peace One end connection of flexible axle, the rotation of motor output shaft pass through in the motor 12 of operation portion, the output shaft and operation portion of motor Soft axle transmission drives the rotation of flexible axle other end external thread structure, drives hollow nut along bending using screw nut driven principle Portion is axially moved, and then realizes the opening and gathering of forked section, and the side that the shell of the motor is located at output shaft is equipped with end Lid 13, the end cap are equipped with concentric fixation hole corresponding with eight circular through hole positions, and eight detections are stretched with pipeline Hose out, and stretched out and be fixed on end cap by fixation hole.

The operation portion is equipped with eight adjustable springs 14, and the adjustable spring covers on detection pipeline, the flexible bullet Spring one end is fixedly connected with the end face of operation portion hose, and the other end is fixedly connected with end cap, and then is realized and detection pipeline It is fixedly connected, when detection is elongated or shortened with pipeline, drives end cap movement, realize the compression or elongation of spring, and then realize certainly The elongation or shortening amount of detection pipeline when the dynamic curved forked section bifurcated of compensation opens or closes up.

A kind of application method of double end full view colon endoscope, comprising the following steps:

Step 1: when colon endoscope is located at external, hollow nut is located at bending section and insertion section link position, elasticity Under the action of metal strip, forked section, which is opened, is in free state.

Step 2: the motor of control double end full view colon endoscope rotates forward, and drives the rotation of flexible axle, passes through soft axle transmission The rotation of bending section flexible axle is driven, hollow nut is mobile to the soft the tip of the axis in bending section by screw nut driven, until hollow Nut is moved to the soft the tip of the axis in bending section, and hollow nut compresses the forked section of bending section at this time, closes up it, peeps in operation Mirror uses existing conventional colon endoscope application method with minimum diameter, into human body intestinal canal.

Step 3: colon endoscope during human motion, operator can by water pipe to enteron aisle specify region into Row cleaning carries out the observation and record of 180 ° of Full-angle three-dimensional images by two CCD cameras, also carries out using biopsy forceps Living body sampling, LED light can increase illuminance, facilitate observation.

When if necessary to expand viewing angle, motor reversal is controlled, hollow nut is to bending section and insertion section junction Side movement, two forked sections expansion symmetrical in opposite direction under resilient metal strip effect, expands viewing angle, maximum can Realize 180 ° of wide-angles overturning of CCD camera.

Step 4: after inspection, forked section is bent and is collapsed, colon endoscope is taken out.

It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model Within enclosing.

Claims

1. A double-head full-view colon endoscope, characterized in that it comprises an operation part, an insertion part and a bending part connected in sequence, the insertion part and the bending part are inserted into the human colon tract, and the operator controls the bending through the operation part The operation part, the insertion part and the bending part all include a coaxially distributed hose and a flexible shaft, the flexible shaft is located inside the hose, and the hose has eight through-holes symmetrically distributed along the diameter of the cross-section circle. The circular through holes of the operation part, the insertion part and the bending part, the pipes for detection are installed in the circular through holes; Blind hole, the blind hole has an elastic member, which can drive the bifurcation of the two bifurcated parts to open, the bending part is sleeved with a pressing member, and the operation part is driven by a flexible shaft and a screw nut pair through a driving device The transmission drives the pressing member to move along the axial direction of the bending portion, thereby controlling the opening and closing of the fork of the fork portion.

2. The double-headed full-view colon endoscope according to claim 1, wherein the detection pipeline comprises a light guide tube, a forceps tube, an objective lens tube and a water tube;

An illuminating device is provided at the end of the light guide pipe located in the curved part;

A biopsy forceps is provided at the end of the forceps tube located in the curved portion;

A camera is provided at the end of the objective lens tube located in the curved part;

A spray head is provided at the end of the water pipe located in the curved portion.

3 . The double-head full-view colonoscope according to claim 1 , wherein the outer circumferential surface of the flexible shaft of the curved portion has an external thread structure, and the pressing member passes through the external thread. 4 . The structure cooperates with the flexible shaft of the curved portion and controls the degree of bifurcation opening of the bifurcated portion.

4 . The double-head full-view colon endoscope according to claim 3 , wherein the pressing member is a hollow nut, comprising an inner thread structure of an inner ring and a pressing structure of an outer ring, and the The inner thread structure of the inner ring matches the outer thread structure on the flexible shaft of the bending part, and the pressing structure of the outer ring has two cavity structures symmetrically distributed along the diameter of the cross section of the nut.

5 . The double-head full-view colon endoscope according to claim 4 , wherein the cross-sectional shape of the two cavity structures is an arc smaller than a semicircle that matches the cross-sectional shape of the bifurcated portion. 6 . The two bifurcated parts of the hose can extend into the two cavities of the compression structure.

6 . The double-head full-view colon endoscope according to claim 1 , wherein the driving device is a motor, and the output shaft of the motor is fixedly connected to the end of the flexible shaft in the operation part. 7 .

7 . The double-head full-view colon endoscope according to claim 1 , wherein the elastic member is an elastic metal strip, which is bent into a semicircle in a natural state. 8 .

8 . The double-head full-view colon endoscope according to claim 1 , wherein the operation part is provided with eight telescopic springs which are sleeved on the detection pipe, and one end of the telescopic spring is soft and soft with the operation part. 9 . The end face of the pipe is fixedly connected, and the other end is fixedly connected with one end of the extended hoses of the eight detection pipes, which is used to automatically compensate for the elongation or shortening of the detection pipes when the bifurcations are opened or closed.