CN210077610U

CN210077610U - Rotatable endoscope with variable visual angle

Info

Publication number: CN210077610U
Application number: CN201920690981.5U
Authority: CN
Inventors: 胡朝全; 杨能红; 李前进
Original assignee: Affiliated Hospital of Guizhou Medical University
Current assignee: Affiliated Hospital of Guizhou Medical University
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-18
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a rotatable endoscope of variable visual angle, the hose comprises a hose, the fixing base is installed to the inner wall of hose, install first motor on the fixing base, first motor includes first output shaft, install the carousel on the first output shaft, install spacing seat on the inner wall of hose, the spacing groove has been seted up on the inside wall of spacing seat, and the carousel is located and rotates between spacing inslot and the spacing seat and be connected, install visual angle change mechanism on the carousel. The utility model discloses structural design is ingenious, utilizes first motor and second motor to drive carousel and arc frame respectively and rotates, forms the no dead angle of camera lens department and looks over, has increased the observation field of vision of endoscope, and rotates the process and all accomplish in hose and camera lens are inside, and the state of hose and camera lens reduces patient's uncomfortable and feels, reduces the secondary damage number of times that the endoscope brought.

Description

Rotatable endoscope with variable visual angle

Technical Field

The utility model relates to a medical endoscope field especially relates to a rotatable endoscope of variable visual angle.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software into a whole. The endoscope can be used for seeing pathological changes which cannot be displayed by X rays, so that the endoscope is very useful for doctors, and the doctors can more accurately master the state of an illness by means of the endoscope to make a better treatment scheme for patients.

At present, most endoscopes are bent at a small angle on a hard tube to achieve the purpose of observing the surrounding tissue condition, so that certain advantages are achieved in observation, the rotating angle is insufficient, the observation visual field is insufficient, the condition in a patient body can not be mastered more accurately, a small part of the endoscopes adopt a hose, a mechanism for bending the hose is arranged at the front end of the hose, for example, a bending end in Chinese patent CN204318701U is long in length, the bending angle is too large, discomfort is easily brought to the patient, and the bleeding condition is caused more easily.

Therefore, we have devised a variable view rotatable endoscope to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the same endoscope lens can not be applied to a straight pipe and a hose simultaneously in the prior art, the condition of secondary damage is easily caused by the bending of the front end, and the provided rotatable endoscope with a variable visual angle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a rotatable endoscope of variable visual angle, includes the hose, the fixing base is installed to the inner wall of hose, install first motor on the fixing base, first motor includes first output shaft, install the carousel on the first output shaft, install spacing seat on the inner wall of hose, the spacing groove has been seted up on the inside wall of spacing seat, and the carousel is located and rotates between spacing inslot and the spacing seat and be connected, install visual angle change mechanism on the carousel.

Preferably, visual angle conversion mechanism includes the base, install the second motor in the base, the second motor includes the second output shaft, the second output shaft passes the base and is located the base outside, install the fixed axle on the lateral wall of base, the arc frame is installed jointly to fixed axle and second output shaft, install miniature camera on the arc frame.

Preferably, the axis of the second output shaft and the axis of the fixed shaft are located on the same straight line, the arc-shaped frame is fixedly connected with the second output shaft, the arc-shaped frame and the fixed shaft are rotatably connected, and the base is provided with a plurality of air holes.

Preferably, the first motor and the second motor are both direct current servo motors, and the inner side arc surface of the arc-shaped frame is not in contact with the base.

Preferably, the length of the fixed shaft is equal to the length of the second output shaft outside the base, the diameter of the base is smaller than that of the arc-shaped frame, and the diameter a (a > 0) of the arc-shaped frame is equal to the diameter b (b > 0) of the base plus twice the length c (c > 0) of the fixed shaft, namely, a is b +2 c.

Preferably, a lens is mounted on the hose, and the visual angle conversion mechanism is located inside the lens.

The utility model discloses following beneficial effect has:

1. the front end of the endoscope is divided into a transparent lens part and an opaque hose part, the moving range of the miniature camera is located inside the transparent lens, the surrounding conditions can be seen clearly in the moving process, and the visible range of the endoscope is enlarged.

2. The inner ring side of the annular limiting seat is provided with a limiting groove, the rotary disc is clamped in the limiting groove and connected in a rotating mode, the rotary disc is driven to rotate through rotation of the first motor, the rotary disc rotates to enable the visual angle changing mechanism installed on the rotary disc to rotate, the picture of the endoscope shot in the body of a patient is adjusted through rotation, the adjustable amount of the endoscope is increased, repeated insertion is avoided, and discomfort of the patient is relieved.

3. Install the arc frame jointly on the output shaft of second motor and the fixed axle, the output shaft and the fixed axle of second motor all are in the outside of base, output shaft and arc frame fixed mounting, and the fixed axle rotates the installation with the arc frame, and the second motor is rotatory to drive the arc frame around the fixed axle rotation, can form the folk prescription to make a round trip 180 degrees rotations, and the carousel of being furnished with again can realize that camera lens department does not have the dead angle and look over, has increased the observation angle of endoscope, has increased the effect that the endoscope was looked over promptly.

4. Carousel, first motor and visual angle change mechanism all are located inside hose and the camera lens, and the carousel rotates and the state that the visual angle change mechanism adjustment does not all influence hose and camera lens, reduces the uncomfortable sense that the endoscope brought to patient, reduces to have the secondary damage who brings by endoscope self.

To sum up, the utility model discloses structural design is ingenious, utilizes first motor and second motor to drive carousel and arc frame respectively and rotates, forms no dead angle of camera lens department and looks over, has increased the observation field of vision of endoscope, and rotates the process and all accomplish inside hose and camera lens, and the state of hose and camera lens reduces patient's uncomfortable sense, reduces the secondary damage number of times that the endoscope brought.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partially enlarged view of the view angle changing mechanism of the endoscope of the present invention.

In the figure: 1-hose, 2-spacing seat, 3-lens, 4-arc frame, 5-miniature camera, 6-second motor, 7-base, 8-rotary table, 9-first motor, 10-fixing seat, 11-second output shaft, 12-fixing shaft and 13-air hole.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a rotatable endoscope with a variable visual angle comprises a flexible pipe 1, a fixed seat 10 is arranged on the inner wall of the flexible pipe 1, a first motor 9 is arranged on the fixed seat 10, the first motor 9 comprises a first output shaft, a rotating disc 8 is arranged on the first output shaft, a limiting seat 2 is arranged on the inner wall of the flexible pipe 1, a limiting groove is arranged on the inner side wall of the limiting seat 2, and the carousel 8 is located and is connected with rotating between the spacing seat 2 in the spacing inslot, install visual angle change mechanism on the carousel 8, visual angle change mechanism includes base 7, installs second motor 6 in the base 7, second motor 6 includes second output shaft 11, second output shaft 11 passes base 7 and is located the base 7 outside, install fixed axle 12 on the lateral wall of base 7, arc frame 4 is installed jointly to fixed axle 12 and second output shaft 11, install miniature camera 5 on the arc frame 4.

The axis of second output shaft 11 and the axis of fixed axle 12 are located same straight line, and arc frame 4 and second output shaft 11 fixed connection, and be connected for rotating between arc frame 4 and the fixed axle 12, a plurality of gas pockets 13 have been seted up on the base 7, first motor 9 and second motor 6 are direct current servo motor, the inboard cambered surface of arc frame 4 and base 7 contactless, the length of fixed axle 12 is equal with the length that second output shaft 11 is located outside the base 7, the diameter of base 7 is less than the diameter of arc frame 4, and the diameter a (a > 0) of arc frame 4 equals diameter b (b > 0) of base 7 plus the twice of length c (c > 0) of fixed axle 12, a +2c promptly, install camera lens 3 on the hose 1, visual angle conversion mechanism is located inside camera lens 3.

When the utility model is used, the visual end of the endoscope is slowly inserted into the part of the patient to be checked, when the endoscope reaches the appointed part, the user controls the rotation of the first motor 9 and the second motor 6 through the control end, the first motor 9 rotates to drive the turntable 8 to rotate in the limiting groove, the turntable 8 rotates to drive the base 7 to rotate, the base 7 rotates to drive the arc frame 4 to rotate, the arc frame 4 rotates to drive the micro-camera 5 to rotate, the direction of the shot picture is observed through the rotation of the micro-camera 5, the second motor 6 rotates to drive the arc frame 4 to rotate, the arc frame 4 is rotationally connected with the fixed shaft 12, so the arc frame 4 is limited to rotate around the shaft by the fixed shaft 12 and the second output shaft 11, the micro-camera 5 rotates along with the arc frame 4, the micro-camera 5 is driven to rotate through the first motor 9 and the micro-camera 5 is driven to rotate through the second motor 6, the condition of any, the realization does not have the dead angle to look over, and the rotation process all accomplishes in the inside of hose 1 and camera lens 3, does not change the external shape of hose 1 and camera lens 3, reduces patient's uncomfortable and reduces the possibility that causes the secondary damage to patient.

It is worth mentioning that the structure of the endoscope can be applied to a hose endoscope and a hard tube endoscope, and the beneficial effects that the visual angle is variable and can be rotated and secondary damage and discomfort can not be caused to a patient can be achieved.

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

1. The utility model provides a rotatable endoscope of variable visual angle, includes hose (1), its characterized in that, fixing base (10) are installed to the inner wall of hose (1), install first motor (9) on fixing base (10), first motor (9) include first output shaft, install carousel (8) on the first output shaft, install spacing seat (2) on the inner wall of hose (1), the spacing groove has been seted up on the inside wall of spacing seat (2), and carousel (8) are located and rotate between spacing inslot and spacing seat (2) and are connected, install visual angle change mechanism on carousel (8).

2. The rotatable endoscope of claim 1, wherein the view angle changing mechanism comprises a base (7), a second motor (6) is installed in the base (7), the second motor (6) comprises a second output shaft (11), the second output shaft (11) penetrates through the base (7) and is located outside the base (7), a fixed shaft (12) is installed on the outer side wall of the base (7), the fixed shaft (12) and the second output shaft (11) are installed together with an arc-shaped frame (4), and a micro-camera (5) is installed on the arc-shaped frame (4).

3. The rotatable endoscope of claim 2, characterized in that the axis of the second output shaft (11) and the axis of the fixed shaft (12) are located on the same straight line, the arc-shaped frame (4) is fixedly connected with the second output shaft (11), the arc-shaped frame (4) is rotatably connected with the fixed shaft (12), and the base (7) is provided with a plurality of air holes (13).

4. The rotatable endoscope of claim 2, characterized in that the first motor (9) and the second motor (6) are both DC servo motors, and the inner arc surface of the arc frame (4) is not in contact with the base (7).

5. A variable angle of view rotatable endoscope according to claim 4, characterized in that the length of the fixed shaft (12) is equal to the length of the second output shaft (11) outside the base (7), the diameter of the base (7) is smaller than the diameter of the arc frame (4), and the diameter a (a > 0) of the arc frame (4) is equal to the diameter b (b > 0) of the base (7) plus twice the length c (c > 0) of the fixed shaft (12), i.e. a-b +2 c.

6. A rotatable endoscope according to claim 1 and characterized in that said flexible tube (1) is provided with a lens (3), and said view angle changing mechanism is located inside said lens (3).