阅读说明：本技术 一种保持摄像头成像方向不变的电子内窥镜 (Electronic endoscope capable of keeping imaging direction of camera unchanged ) 是由 欧阳辉 冼平原 高歌 彭嘹 于 2020-07-10 设计创作，主要内容包括：本发明公开一种保持摄像头成像方向不变的电子内窥镜,内窥镜的套管包括内管以及外管,摄像头模组设于外管的头端。内管与外管之间设有间隙,内管可在外管内旋转,内管包括弯折端以及平直端,弯折端位于内管的头端,弯折端弯曲成圆弧状,内管为硬质管,外管为弹性管。当医护人员只旋转内管的时候,内管沿轴向旋转,其前端的弯折端沿圆周方向转动,内管的弯折端旋转的时候会与外管接触,而由于内管与外管之间隔有间隙,并且外管为弹性管,因此外管不会随着内管旋转,只会跟着内管产生偏转,因此固定在外管上的摄像头模组也只会产生空间上的平移,不会出现旋转,保持显示屏上的图像方向和显示屏的方向永远一致,方便医护人员观察。(The invention discloses an electronic endoscope capable of keeping the imaging direction of a camera unchanged. The inner pipe comprises a bending end and a straight end, the bending end is located at the head end of the inner pipe, the bending end is bent into an arc shape, the inner pipe is a hard pipe, and the outer pipe is an elastic pipe. When medical personnel only rotate the inner tube, the inner tube is rotatory along the axial, the end of buckling of its front end rotates along the circumferencial direction, can contact with the outer tube when the end of buckling of inner tube is rotatory, and because there is the clearance between inner tube and the outer tube, and the outer tube is the elastic tube, therefore the outer tube can not be along with the inner tube is rotatory, only can follow the inner tube and produce the deflection, consequently fix the camera module on the outer tube and also can only produce the translation in space, can not appear rotatoryly, the direction of the image direction that keeps on the display screen and display screen is unanimous forever, make things convenient for medical personnel to observe.)

1. An electronic endoscope capable of keeping the imaging direction of a camera unchanged is characterized by comprising an insertion part, wherein the insertion part comprises a sleeve and a camera module arranged at the head end of the sleeve, and the front end of the sleeve extends into a human body cavity;

the sleeve comprises an inner pipe and an outer pipe sleeved outside the inner pipe, and the camera module is arranged at the head end of the outer pipe;

the inner tube with be equipped with the clearance between the outer tube, the inner tube can the outer tube internal rotation, the inner tube is including buckling end, transition end and straight end, it is located to buckle the end the head end of inner tube, the transition end connect buckle the end with straight end, straight end is straight line shape, the transition end is convex, buckle the end and be straight line shape, buckle the end with straight end forms the contained angle, the inner tube is the hard pipe, the outer tube is the elastic tube, the inner tube insert to back in the outer tube, buckle the end with the transition end with the head end top of outer tube become with buckle the end and the same shape of transition end.

2. An electronic endoscope apparatus according to claim 1 and also characterised in that said outer tube has a helical cut at its front end.

3. An electronic endoscope according to claim 1 and wherein said outer tube has staggered ring-like cuts at its forward end.

4. The electronic endoscope keeping the imaging direction of the camera unchanged according to any one of claims 1-3, wherein the electronic endoscope further comprises a main board and a display screen, the camera module and the display screen are electrically connected to the main board respectively, the image or video information collected by the camera module is transmitted to the main board, and the main board decodes the image or video information and displays the image or video information on the display screen.

5. The electronic endoscope apparatus according to claim 4, further comprising a handle portion connected to the insertion portion, wherein the display screen is integrally connected to the handle portion, and the handle portion rotates to rotate the display screen.

6. The electronic endoscope of claim 4, wherein the electronic endoscope further comprises a handle portion connected to the insertion portion, and wherein the display screen is physically associated with the handle portion.

7. An electronic endoscope according to claim 4 and wherein said included angle is in the range of 0-30 °.

8. The electronic endoscope of claim 4, wherein the camera module comprises a CMOS imaging sensor and a plurality of LEDs.

Technical Field

The invention relates to the field of medical instruments, in particular to an electronic endoscope capable of keeping the imaging direction of a camera unchanged.

Background

The endoscope is an important instrument which can be sent into a human cavity for visual inspection and surgical treatment. The kit is applied to a plurality of fields such as examination of gastrointestinal diseases, examination of pancreas and biliary tract diseases, examination of urinary tract and the like. Endoscopes for imaging the inside of a human body, a device, or a structure are widely used in the medical field or the industrial field. Be equipped with the camera module on the endoscope, the inside image is shot to the camera module, with image information send to the display screen on so that medical personnel observe.

The front end of the existing electronic endoscope is either a straight pipe or an elbow pipe, the whole rotation is carried out during rotation, the camera module can rotate along with the pipe body, and the fixation of the camera observation angle cannot be realized.

Generally, the electronic endoscope has two structures, namely a portable design that the display screen and the endoscope are integrated, and a split design that the display screen and the endoscope are separated. In the in-process of using, when needs rotatory endoscope, the camera can be along with rotating together, if the integral type design, then the display screen can follow the rotation, if split type design, can cause screen display's picture to appear deflecting, is unfavorable for medical personnel's observation.

In the rotating process, the mirror body rotates integrally, so that the action amplitude is large, if an operator shakes slightly, the patient can be injured, and particularly, the surfaces of a plurality of inner cavities are soft, so that the injury is avoided as much as possible.

Accordingly, the prior art is deficient and needs improvement.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides the electronic endoscope which keeps the imaging direction of the camera unchanged and is convenient for medical staff to observe.

The technical scheme of the invention is as follows: the electronic endoscope comprises an insertion part, wherein the insertion part comprises a sleeve and a camera module arranged at the head end of the sleeve, and the front end of the sleeve extends into a human body cavity;

the sleeve comprises an inner pipe and an outer pipe sleeved outside the inner pipe, and the camera module is arranged at the head end of the outer pipe;

the inner tube with be equipped with the clearance between the outer tube, the inner tube can the outer tube internal rotation, the inner tube is including buckling end, transition end and straight end, it is located to buckle the end the head end of inner tube, the transition end connect buckle the end with straight end, straight end is straight line shape, the transition end is convex, buckle the end and be straight line shape, buckle the end with straight end forms the contained angle, the inner tube is the hard pipe, the outer tube is the elastic tube, the inner tube insert to back in the outer tube, buckle the end with the transition end with the head end top of outer tube become with buckle the end and the same shape of transition end.

Further, the front end of the outer tube is provided with a spiral notch.

Furthermore, the front end of the outer tube is provided with staggered annular notches.

Further, electronic endoscope still includes mainboard and display screen, the camera module and the display screen respectively with mainboard electrical connection, the image or the video information transmission that the camera module was gathered give the mainboard, the mainboard is decoded the back and is shown image or video information on the display screen.

Furthermore, the electronic endoscope further comprises a handheld part connected with the inserting part, the display screen is connected with the handheld part into a whole, and the handheld part rotates to drive the display screen to rotate.

Furthermore, the electronic endoscope also comprises a handheld part connected with the insertion part, and the display screen and the sleeve are designed in a split mode.

Further, the included angle is in the range of 0-30 degrees.

Further, the camera module comprises a CMOS imaging sensor and a plurality of LEDs.

Adopt above-mentioned scheme, when medical personnel only rotatory inner tube, the inner tube is rotatory along the axial, the end of buckling of its front end rotates along the circumferencial direction, because the inner tube is the hard pipe, can contact with the outer tube when the end of buckling of inner tube is rotatory, and because there is the clearance between inner tube and the outer tube, and the outer tube is the elastic tube, consequently, the outer tube can not be along with the inner tube is rotatory, only can follow the inner tube and produce the deflection, consequently, fix the camera module on the outer tube and also can only produce the translation in space, can not appear rotatoryly, the direction that keeps image direction on the display screen and display screen is unanimous forever, make things convenient for medical. Moreover, because only the inner tube is rotated, the position of the outer tube is basically kept unchanged, and the harm to the body of a patient is reduced.

Drawings

FIG. 1 is a schematic view of the inner tube of the present invention.

Fig. 2 is a schematic structural view of the outer tube of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

FIG. 5 is a schematic view of the structure of the outer tube with staggered ring-shaped slits.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

The invention provides an electronic endoscope capable of keeping the imaging direction of a camera unchanged, which comprises an insertion part, wherein the insertion part comprises a sleeve and a camera module arranged at the head end of the sleeve, and the front end of the sleeve extends into a human body cavity. The tail end of the insertion part is connected with a handheld part, and an operator can operate the insertion part through the handheld part.

Referring to fig. 1 to 4, the cannula includes an inner tube 1 and an outer tube 2 sleeved outside the inner tube 1, and the inner tube 1 can be used as a water inlet/outlet channel and a surgical instrument channel. The camera module is arranged at the head end of the outer tube 2, and pictures in the cavity are shot through the camera module, so that medical workers can observe the pictures, the pathological changes can be found out, and the optimal treatment scheme can be worked out.

A gap is arranged between the inner pipe 1 and the outer pipe 2, and the inner pipe 1 and the outer pipe 2 are not fixedly connected, so that the inner pipe 1 can rotate in the outer pipe. The inner tube 1 comprises a bending end 11, a transition end 13 and a straight end 12, the bending end 11 is located at the head end of the inner tube 1, and the transition end 13 is connected with the bending end 11 and the straight end 12. The straight end 12 is straight, the transition end 13 is arc-shaped, the bending end 11 is straight, and an included angle is formed between the bending end 11 and the straight end 12. The inner pipe 1 is a hard pipe having a certain hardness, and may be made of stainless steel. The outer tube 2 is an elastic tube having elastic deformability. After the inner tube 1 is inserted into the outer tube 2, the bending end 11 and the transition end 13 push the head end of the outer tube 2 to have the same shape as the bending end 11 and the transition end 13. Therefore, when the inner tube 1 rotates, the bending end 11 rotates along the circumferential direction and touches the outer tube 2, so that the position of the outer tube 2 deviates, but because the inner tube 1 and the outer tube 2 are only in contact, not fixedly connected, and the outer tube 2 has certain elastic deformation capacity, the position of the arc-shaped part of the outer tube 2 only deflects and does not rotate, so that the camera module fixed on the outer tube 2 only can spatially translate, but the rotation cannot occur. Therefore, in the process of using the endoscope, the whole endoscope does not need to be rotated, the direction of the image and the direction of the display screen can be kept consistent forever, and medical staff can conveniently watch the image. Moreover, because only the inner tube 1 is rotated, the position of the outer tube 2 is basically kept unchanged, the inner wall of the cavity is not scraped, and the harm to the body of the patient is reduced to the minimum.

The bent end 11 and the straight end 12 of the inner tube 1 form an included angle, and the included angle ranges from 0 degree to 30 degrees. The movable range of the inner tube 1 is changed by changing the angle of the included angle, so that the movable range of the surgical instrument extending into the inner tube 1 is changed.

In the present embodiment, in order to provide the outer tube 2 with a certain elastic deformation capability, a spiral cut 21 is provided at the front end of the outer tube 2, so that the outer tube 2 has the capability of being elastically deformed like a spring tube, the spiral cut 21 completely covers the arc-shaped portion of the outer tube 2, and covers a portion of the flat end of the outer tube 2, and the outer tube 2 is also made of stainless steel. Because the outer tube 2 is cut with the spiral cut 21, the outer tube 2 has elasticity, and when the inner tube 1 rotates, the outer tube 2 has elastic deformation capacity and cannot rotate along with the inner tube 1.

Referring to fig. 5, in addition to the spiral cuts 21 cut on the outer tube 2, alternatively, staggered ring-shaped cuts may be cut at the front end of the outer tube 2 instead of the spiral cuts, so that the outer tube has elastic deformation capability. The staggered ring-shaped incisions comprise a plurality of ring-shaped incisions 22 which are arranged in the axial direction, each ring-shaped incision 22 has a seam 23, and the seams 23 are staggered in the radial direction.

The electronic endoscope further comprises a mainboard and a display screen, and the camera module and the display screen are respectively electrically connected with the mainboard. Image or video information transmission that the camera module was gathered gives the mainboard, the mainboard decodes the back and shows image or video information on the display screen to medical personnel observe.

The camera module comprises a CMOS imaging sensor and a plurality of LEDs, the CMOS imaging sensor is used for collecting images or video information in the cavity, and the LEDs are used for providing light sources for shooting of the CMOS imaging sensor. The size of the camera module is less than 3mm, and the camera module can easily enter the cavity through natural channels of most normal people for observation due to the greatly reduced volume,

the display screen with handheld portion connects as an organic wholely, handheld portion rotates and drives the display screen rotates. Particularly, the display screen can be arranged on the handheld portion, and medical staff can conveniently look over the display screen through eyes. The display screen may also be designed integrally with the hand-held portion.

To sum up, when medical personnel only rotate the inner tube, the inner tube is rotatory along the axial, the end of buckling of its front end rotates along the circumferencial direction, because the inner tube is the hard pipe, can contact with the outer tube when the end of buckling of inner tube is rotatory, and because there is the clearance between inner tube and the outer tube, and the outer tube is the elastic tube, consequently, the outer tube can not be along with the inner tube is rotatory, only can follow the inner tube and produce the deflection, consequently, fix the camera module on the outer tube and also can only produce the translation in space, can not appear rotatoryly, the direction that keeps image direction on the display screen and display screen is unanimous forever, make things convenient for medical. Moreover, because only the inner tube is rotated, the position of the outer tube is basically kept unchanged, and the harm to the body of a patient is reduced.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.