Digestive endoscope mounting bracket convenient for angle adjustment and use method

Abstract

The invention discloses a digestive endoscopy mounting bracket convenient for angle adjustment and a use method, and relates to the technical field of medical treatment, the bracket comprises a digestive endoscopy operation main body, a fixed tube is arranged at the bottom of the digestive endoscopy operation main body, an endoscope tube body is arranged at the bottom end of the fixed tube, and the bottom end of the endoscope tube body is rotatably connected with a coil tube; a first connecting pipe is arranged on the outer side of the coil pipe, an angle adjusting mechanism is arranged between the inner wall of the first connecting pipe and the outer end of the coil pipe, a second connecting pipe is rotationally connected to one side of the first connecting pipe, the tail end of the second connecting pipe is fixedly connected with the endoscope pipe body through a fixing block, and a rotating mechanism is arranged between the second connecting pipe and the coil pipe. The cleaning mechanism is arranged at the end opening of the coil pipe, the angle adjusting mechanism can adjust the bending angle of the coil pipe, the coil pipe can be driven to rotate through the rotating mechanism, and therefore the coil pipe can be adjusted at any angle in all directions, practicability is improved, the endoscope lens can be cleaned through the cleaning mechanism, and definition is improved.

Description

Technical Field

[0001] The invention relates to the field of medical technology, and in particular to a digestive endoscope mounting bracket which is convenient for adjusting the angle and a use method thereof. Background Art

[0002] A digestive endoscope mounting bracket that is easy to adjust the angle is recorded in the patent document with patent announcement number CN112274268B, which includes a bracket body, a traction tube, an outer mounting shaft, a pulley mechanism and a sealing top pad. The top and bottom of the bracket body are respectively threadedly mounted with a top sleeve and a bottom sleeve, and the interior of the top sleeve and the bottom sleeve are both provided with internal threads, and the exterior of the bracket body is covered with a mounting outer sleeve; in the present invention, a driving gear is installed inside and a traction tube is installed outside. When the bracket is installed in the human body for use, the doctor only needs to adjust the position of the traction tube to change the angle of the bracket, and the bracket angle can be fine-tuned, which is easy to control and easy to operate. When in use, the endoscope will not produce unnecessary displacement due to external factors, thereby ensuring the accuracy of endoscopic examination. However, the endoscope can only rotate in two directions, and the rotation range is relatively limited. It cannot be adjusted to any angle around it, and the endoscope is easily blocked by foreign objects during use. If it cannot be cleaned in time, it is easy to affect the use effect.

[0003] Based on this, a digestive endoscope mounting bracket and a method of use that are easy to adjust the angle are now provided, which can eliminate the disadvantages of existing devices. Summary of the invention

[0004] The purpose of the present invention is to provide a digestive endoscope mounting bracket that is easy to adjust the angle, so as to solve the problems that the existing endoscope can only rotate in two directions, the rotation range is greatly limited, and it cannot be adjusted to any angle around it. In addition, the endoscope is easily blocked by foreign objects during use. If it is not cleaned in time, it is easy to affect the use effect.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A digestive endoscope mounting bracket that is easy to adjust the angle comprises a digestive endoscope operating body, a fixed tube is arranged at the bottom of the digestive endoscope operating body, an endoscope tube body is arranged at the bottom end of the fixed tube, a coil is rotatably connected to the bottom end of the endoscope tube body, a first connecting tube is arranged on the outside of the coil, the first connecting tube and the coil are fixedly connected by a plurality of connecting blocks, an angle adjustment mechanism is arranged between the inner wall of the first connecting tube and the outer end of the coil, a second connecting tube is rotatably connected to one side of the first connecting tube, the tail end of the second connecting tube is fixedly connected to the endoscope tube body by a fixed block, a rotating mechanism is arranged between the second connecting tube and the coil, and a cleaning mechanism is arranged at the coil port.

[0007] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0008] In an optional solution: a mounting groove is provided at the inner end of the coiled tube, a transparent protective cover is provided at the outer end of the coiled tube at the end of the mounting groove, and a lighting lamp is provided at the outer end of the coiled tube at one side of the transparent protective cover.

[0009] In an optional scheme: the angle adjustment mechanism includes a first support block, the first support blocks are symmetrically arranged on both sides of the outer end of the coil, a fixed rod is arranged inside the first support block, a symmetrical second support block is arranged on the inner wall of the first connecting tube, a reel is rotatably connected inside the second support block, the reel is driven to rotate by a first motor at the outer end of the second support block, a connecting rope is wound inside the reel, and the outer end of the connecting rope is fixedly connected to the fixing rod.

[0010] In an optional solution: the rotating mechanism includes a gear ring, the gear ring is located on the coil, a second motor is arranged on the inner wall of the second connecting tube, a rotating shaft is arranged at the output end of the second motor, a gear is arranged at the outer end of the rotating shaft, and the gear and the gear ring are meshed with each other.

[0011] In an optional scheme: a fixing plate is provided on the fixing tube, a rectangular groove is provided on the top of the fixing plate, a pad is provided at the bottom of the rectangular groove, a first rubber pad is provided on the pad, a connecting plate is provided at the top of the rectangular groove, a screw is provided on the connecting plate, the screw is threadedly rotatably connected to the connecting plate, a pressure block is provided at the bottom of the screw, a second rubber pad is provided at the bottom of the pressure block, and a turning knob is provided at the top of the screw.

[0012] In an optional solution: the cleaning mechanism includes a nozzle, which is located on one side of the transparent protective cover at the outer end of the coil, and a water and air pipe is provided at the input end of the nozzle, and the other end of the water and air pipe passes through the rectangular groove and is connected to the digestive endoscope operating body.

[0013] In an optional solution: a connecting cylinder is provided on the water and gas pipe, an inner cylinder is provided at the input end of the connecting cylinder, a valve is provided on the outer side of the inner cylinder, the valve is rotatably connected via a hinge on one side of the inner cylinder, a support plate is provided on the inner cylinder on one side of the hinge, and the support plate is fixedly connected to the valve surface via a first spring.

[0014] In an optional scheme: a mounting tube is provided on one side of the fixed tube, an inner tube is provided through the mounting tube, a clamp channel tube is provided through the coiled tube, the endoscope tube body and the fixed tube, the bottom end of the inner tube is connected to the clamp channel tube, a movable groove is provided in the mounting tube, an annular groove is provided on the outside of the movable groove and located on the outside of the inner tube, a clamping groove is provided on one side of the annular groove, a pressure plate is provided in the movable groove, and the pressure plate is fixedly connected to the bottom surface of the movable groove by a second spring.

[0015] In an optional solution: a sealing cap is arranged on the outside of the mounting tube, a sealing gasket is arranged inside the sealing cap, a symmetrical L-shaped mounting plate is arranged at the bottom end of the sealing cap, and the L-shaped mounting plate has the same size as the card slot.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention is characterized in that a fixed tube is arranged at the bottom of the digestive endoscope operating body, an endoscope tube body is arranged at the bottom end of the fixed tube, a coiled tube is rotatably connected to the bottom end of the endoscope tube body, a first connecting tube is arranged on the outside of the coiled tube, the first connecting tube and the coiled tube are fixedly connected by a plurality of connecting blocks, an angle adjustment mechanism is arranged between the inner wall of the first connecting tube and the outer end of the coiled tube, a second connecting tube is rotatably connected to one side of the first connecting tube, the tail end of the second connecting tube is fixedly connected to the endoscope tube body by a fixed block, a rotating mechanism is arranged between the second connecting tube and the coiled tube, a cleaning mechanism is arranged at the coiled tube port, the angle adjustment mechanism can adjust the bending angle of the coiled tube, the coiled tube can be driven to rotate by the rotating mechanism, thereby adjusting the coiled tube to any angle in all directions, thereby improving practicality, and the endoscope lens can be cleaned by the cleaning mechanism to improve clarity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a schematic diagram of the angle adjustment mechanism structure of the present invention.

[0020] Figure 3 It is a schematic diagram of the first connecting pipe structure of the present invention.

[0021] Figure 4 It is a schematic diagram of the rotating mechanism structure of the present invention.

[0022] Figure 5 It is a schematic diagram of the installation slot structure of the present invention.

[0023] Figure 6 It is a schematic diagram of the internal structure of the second connecting pipe of the present invention.

[0024] Figure 7 It is a schematic diagram of the internal structure of the first connecting pipe of the present invention.

[0025] Figure 8 It is a schematic diagram of the fixing plate structure of the present invention.

[0026] Fig. 9 It is a schematic diagram of the internal structure of the connecting tube of the present invention.

[0027] Fig.10 It is a schematic diagram of the internal structure of the sealing cap of the present invention.

[0028] Fig.11 It is a schematic diagram of the internal structure of the installation tube of the present invention.

[0029] Figure numerals: 1. digestive endoscope operating body; 2. fixed tube; 3. endoscope tube body; 4. coil tube; 5. clamp channel tube; 6. lighting lamp; 7. mounting groove; 8. transparent protective cover; 9. first support block; 10. fixed rod; 11. first connecting tube; 12. second support block; 13. reel; 14. first motor; 15. connecting rope; 16. connecting block; 17. second connecting tube; 18. fixed block; 19. gear ring; 20. second motor; 21. rotating shaft; 22. gear; 23. nozzle; 24. water Air pipe; 25, fixing plate; 26, rectangular groove; 27, pad; 28, first rubber pad; 29, connecting plate; 30, screw; 31, knob; 32, pressure block; 33, second rubber pad; 34, first spring; 35, connecting tube; 36, inner tube; 37, valve; 38, hinge; 39, support plate; 40, sealing pad; 41, mounting tube; 42, inner tube; 43, movable groove; 44, annular groove; 45, card slot; 46, pressure plate; 47, second spring; 48, sealing cap; 49, L-shaped mounting plate. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] In one embodiment, Figure 1-Figure 11 As shown, a digestive endoscope mounting bracket that is easy to adjust the angle comprises a digestive endoscope operating body 1, a fixed tube 2 is arranged at the bottom of the digestive endoscope operating body 1, an endoscope tube body 3 is arranged at the bottom end of the fixed tube 2, a coiled tube 4 is rotatably connected to the bottom end of the endoscope tube body 3, a first connecting tube 11 is arranged on the outside of the coiled tube 4, the first connecting tube 11 and the coiled tube 4 are fixedly connected by a plurality of connecting blocks 16, an angle adjustment mechanism is arranged between the inner wall of the first connecting tube 11 and the outer end of the coiled tube 4, a second connecting tube 17 is rotatably connected to one side of the first connecting tube 11, the tail end of the second connecting tube 17 is fixedly connected to the endoscope tube body 3 by a fixed block 18, a rotating mechanism is arranged between the second connecting tube 17 and the coiled tube 4, a cleaning mechanism is arranged at the end of the coiled tube 4, the angle adjustment mechanism can adjust the bending angle of the coiled tube, the coiled tube can be driven to rotate by the rotating mechanism, so as to adjust the coiled tube to any angle in all directions, and the endoscope head can be cleaned by the cleaning mechanism.

[0032] In one embodiment, Figure 2 and Figure 5As shown, a mounting groove 7 is provided at the inner end of the coiled tube 4, a transparent protective cover 8 is provided at the outer end of the coiled tube 4 located at the end of the mounting groove 7, and a lighting lamp 6 is provided at the outer end of the coiled tube 4 located on one side of the transparent protective cover 8. The mounting groove 7 can be used to install an endoscope lens, and the transparent protective cover 8 has a protective effect on the lens to prevent contamination of the lens and affect the detection effect. The lighting lamp 6 has a lighting effect to improve the clarity of observation.

[0033] In one embodiment, Figure 2 As shown, the angle adjustment mechanism includes a first support block 9, which is symmetrically arranged on both sides of the outer end of the coiled tube 4, a fixed rod 10 is arranged in the first support block 9, and a symmetrical second support block 12 is arranged on the inner wall of the first connecting tube 11, and a reel 13 is rotatably connected in the second support block 12, and the reel 13 is driven to rotate by a first motor 14 at the outer end of the second support block 12, and a connecting rope 15 is wound in the reel 13, and the outer end of the connecting rope 15 is fixedly connected to the fixed rod 10. Starting the first motor 14 can drive the reel 13 to rotate, thereby pulling the connecting rope 15 to bend the coiled tube 4 and adjust the rotation angle of the coiled tube 4.

[0034] In one embodiment, Figure 4 and Figure 6 As shown, the rotating mechanism includes a gear ring 19, which is located on the coiled tube 4. A second motor 20 is provided on the inner wall of the second connecting tube 17. A rotating shaft 21 is provided at the output end of the second motor 20. A gear 22 is provided at the outer end of the rotating shaft 21, and the gear 22 is meshed with the gear ring 19. Starting the second motor 20 can drive the gear 22 to rotate, and the gear 22 is meshed with the gear ring 19, thereby driving the gear ring 19 to rotate, so that the coiled tube 4 rotates synchronously, thereby adjusting the observation angle of the endoscope lens at the end of the coiled tube 4 in all directions.

[0035] In one embodiment, Figure 8 As shown, a fixing plate 25 is provided on the fixing pipe 2, a rectangular groove 26 is provided on the top of the fixing plate 25, a pad 27 is provided at the bottom of the rectangular groove 26, a first rubber pad 28 is provided on the pad 27, a connecting plate 29 is provided at the top of the rectangular groove 26, a screw 30 is provided on the connecting plate 29, the screw 30 is threadedly rotatably connected to the connecting plate 29, a pressing block 32 is provided at the bottom of the screw 30, a second rubber pad 33 is provided at the bottom of the pressing block 32, a knob 31 is provided at the top of the screw 30, and rotating the knob 31 can drive the screw 30 to rotate, so that the pressing block 32 is pressed downward, and the second rubber pad 33 and the first rubber pad 28 are squeezed against each other, thereby fixing the water and gas pipe 24.

[0036] In one embodiment, Figure 1 and Figure 2As shown, the cleaning mechanism includes a nozzle 23, which is located on one side of the transparent protective cover 8 at the outer end of the coil 4. A water-gas pipe 24 is provided at the input end of the nozzle 23. The other end of the water-gas pipe 24 passes through a rectangular groove 26 and is connected to the digestive endoscope operating body 1. The digestive endoscope operating body 1 can inject water gas into the nozzle 23 through the water-gas pipe 24, and the transparent protective cover 8 is cleaned by spraying water through the nozzle 23.

[0037] In one embodiment, Fig. 9 As shown, a connecting tube 35 is provided on the water-gas pipe 24, an inner tube 36 is provided at the input end of the connecting tube 35, a valve 37 is provided on the outer side of the inner tube 36, and the valve 37 is rotatably connected through a hinge 38 on one side of the inner tube 36, a support plate 39 is provided on the inner tube 36 on one side of the hinge 38, and the support plate 39 is fixedly connected to the surface of the valve 37 through a first spring 34. When water vapor is injected, the water vapor pushes the valve 37 open, and when the injection stops, the valve 37 is reset under the action of the first spring 34, and the valve is closed to prevent the backflow from contaminating the mirror body.

[0038] In one embodiment, Fig.10 and 11 As shown, a mounting tube 41 is provided on one side of the fixed tube 2, an inner tube 42 is provided through the mounting tube 41, a clamp channel tube 5 is provided through the coiled tube 4, the endoscope tube body 3 and the fixed tube 2, the bottom end of the inner tube 42 is connected with the clamp channel tube 5, a movable groove 43 is provided in the mounting tube 41, an annular groove 44 is provided on the outer side of the movable groove 43 and located on the outer side of the inner tube 42, a clamping groove 45 is provided on one side of the annular groove 44, a pressure plate 46 is provided in the movable groove 43, the pressure plate 46 and the bottom surface of the movable groove 43 are fixedly connected by a second spring 47, and the pressure plate 46 is subjected to pressure to squeeze the second spring 47.

[0039] In one embodiment, Fig.10 and 11 As shown, a sealing cap 48 is provided on the outside of the mounting tube 41, a sealing gasket 40 is provided inside the sealing cap 48, and a symmetrical L-shaped mounting plate 49 is provided at the bottom end of the sealing cap 48. The L-shaped mounting plate 49 has the same size as the card slot 45. By aligning the L-shaped mounting plate 49 with the card slot 45 and pressing it, the pressure plate 46 is pressed against the second spring 47, and the sealing cap 48 is rotated to make the L-shaped mounting plate 49 move away from the card slot 45. The pressure plate 46 lifts up the L-shaped mounting plate under the action of the second spring 47 to reset and squeeze and fix it. The biopsy forceps can be inserted into the sealing gasket 40 and enter the clamp channel tube 5 through the inner tube 42 to perform a biopsy.

[0040] The above embodiment discloses a digestive endoscope mounting bracket that is easy to adjust the angle. When in use, the endoscope head is installed in the mounting groove 7, and the L-shaped mounting plate 49 is aligned with the card slot 45 and pressed, so that the pressure plate 46 is pressed by the second spring 47, and the sealing cap 48 is rotated to make the L-shaped mounting plate 49 away from the card slot 45. The pressure plate 46 lifts the L-shaped mounting plate under the action of the second spring 47 to reset and squeeze and fix it. After the endoscope tube body 3 enters the human body, the first motor 14 is started to drive the reel 13 to rotate, thereby pulling the connecting rope 15 to bend the snake tube 4, and the rotation angle of the snake tube 4 is adjusted. The second motor 20 is started to drive the gear 22 to rotate, and the gear 22 and the gear ring are connected. 19 mesh with each other, thereby driving the gear ring 19 to rotate, so that the snake tube 4 rotates synchronously, thereby adjusting the observation angle of the endoscope lens at the end of the snake tube 4 in all directions. When the surface of the transparent protective cover 8 is blocked by foreign matter and affects the clarity, the digestive endoscope operating body 1 can inject water vapor into the nozzle 23 through the water-gas pipe 24, and the water vapor pushes the valve 37 open. When the injection stops, the valve 37 is reset under the action of the first spring 34, and the valve is closed to prevent the backflow from contaminating the mirror body. The transparent protective cover 8 is cleaned by spraying through the nozzle 23. When a biopsy is required, the biopsy forceps can be inserted into the sealing pad 40 and enter the clamp channel tube 5 through the inner tube 42 to perform a biopsy, and the clamp channel tube 5 can also be used for administering medicine.

[0041] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A digestive endoscope mounting bracket that is easy to adjust the angle, comprising a digestive endoscope operating body (1), characterized in that: A fixed tube (2) is provided at the bottom of the digestive endoscope operating body (1), an endoscope tube body (3) is provided at the bottom end of the fixed tube (2), a coiled tube (4) is rotatably connected to the bottom end of the endoscope tube body (3), a first connecting tube (11) is provided on the outside of the coiled tube (4), the first connecting tube (11) and the coiled tube (4) are fixedly connected via a plurality of connecting blocks (16), an angle adjustment mechanism is provided between the inner wall of the first connecting tube (11) and the outer end of the coiled tube (4), a second connecting tube (17) is rotatably connected to one side of the first connecting tube (11), the tail end of the second connecting tube (17) and the endoscope tube body (3) are fixedly connected via a fixed block (18), a rotating mechanism is provided between the second connecting tube (17) and the coiled tube (4), and a cleaning mechanism is provided at the end of the coiled tube (4).

2. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 1 is characterized in that: The inner end of the coiled tube (4) is provided with a mounting groove (7), the outer end of the coiled tube (4) is provided with a transparent protective cover (8) at the end of the mounting groove (7), and the outer end of the coiled tube (4) is provided with a lighting lamp (6) at one side of the transparent protective cover (8).

3. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 1 is characterized in that: The angle adjustment mechanism comprises a first support block (9), the first support block (9) is symmetrically arranged on both sides of the outer end of the coiled tube (4), a fixed rod (10) is arranged inside the first support block (9), a symmetrical second support block (12) is arranged on the inner wall of the first connecting tube (11), a reel (13) is rotatably connected inside the second support block (12), the reel (13) is driven to rotate by a first motor (14) at the outer end of the second support block (12), a connecting rope (15) is wound inside the reel (13), and the outer end of the connecting rope (15) is fixedly connected to the fixed rod (10).

4. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 1 is characterized in that: The rotating mechanism comprises a gear ring (19), the gear ring (19) is located on the coiled tube (4), a second motor (20) is arranged on the inner wall of the second connecting tube (17), a rotating shaft (21) is arranged at the output end of the second motor (20), a gear (22) is arranged at the outer end of the rotating shaft (21), and the gear (22) and the gear ring (19) are meshed with each other.

5. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 1 is characterized in that: The fixing tube (2) is provided with a fixing plate (25), the top of the fixing plate (25) is provided with a rectangular groove (26), the bottom of the rectangular groove (26) is provided with a pad (27), the pad (27) is provided with a first rubber pad (28), the top of the rectangular groove (26) is provided with a connecting plate (29), the connecting plate (29) is provided with a screw (30), the screw (30) is threadedly connected to the connecting plate (29), the bottom of the screw (30) is provided with a pressing block (32), the bottom of the pressing block (32) is provided with a second rubber pad (33), and the top of the screw (30) is provided with a rotating knob (31).

6. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 5 is characterized in that: The cleaning mechanism comprises a nozzle (23), the nozzle (23) being located on one side of a transparent protective cover (8) at the outer end of the coil (4), a water-gas pipe (24) being provided at the input end of the nozzle (23), the other end of the water-gas pipe (24) passing through a rectangular groove (26) and connected to a digestive endoscope operating body (1).

7. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 6 is characterized in that: The water-gas pipe (24) is provided with a connecting cylinder (35), an inner cylinder (36) is provided at the input end of the connecting cylinder (35), a valve (37) is provided on the outer side of the inner cylinder (36), the valve (37) is rotatably connected via a hinge (38) on one side of the inner cylinder (36), a support plate (39) is provided on the inner cylinder (36) on one side of the hinge (38), and the support plate (39) is fixedly connected to the surface of the valve (37) via a first spring (34).

8. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 1 is characterized in that: A mounting tube (41) is provided on one side of the fixed tube (2), an inner tube (42) is provided through the mounting tube (41), a clamp channel tube (5) is provided through the coiled tube (4), the endoscope tube body (3) and the fixed tube (2), the bottom end of the inner tube (42) is connected to the clamp channel tube (5), a movable groove (43) is provided in the mounting tube (41), an annular groove (44) is provided on the outer side of the movable groove (43) and located on the outer side of the inner tube (42), a clamping groove (45) is provided on one side of the annular groove (44), a pressure plate (46) is provided in the movable groove (43), and the pressure plate (46) is fixedly connected to the bottom surface of the movable groove (43) by a second spring (47).

9. The digestive endoscope mounting bracket that is easy to adjust the angle according to claim 8, characterized in that: A sealing cap (48) is arranged on the outside of the mounting tube (41), a sealing gasket (40) is arranged inside the sealing cap (48), and a symmetrical L-shaped mounting plate (49) is arranged at the bottom end of the sealing cap (48), and the L-shaped mounting plate (49) has the same size as the card slot (45).

10. A method for using the digestive endoscope mounting bracket that is easy to adjust the angle according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Install the endoscope lens in the installation slot (7), align the L-shaped installation plate (49) with the card slot (45) and press it, so that the pressure plate (46) is pressed by the pressure to squeeze the second spring (47), rotate the sealing cap (48) to make the L-shaped installation plate (49) away from the card slot (45), and the pressure plate (46) lifts up the L-shaped installation plate under the action of the second spring (47) to squeeze and fix it; Step 2: After the endoscope tube body (3) enters the human body, the first motor (14) is started to drive the reel (13) to rotate, thereby pulling the connecting rope (15) to bend the snake tube (4) and adjust the rotation angle of the snake tube (4). The second motor (20) is started to drive the gear (22) to rotate, and the gear (22) and the gear ring (19) are meshed with each other, thereby driving the gear ring (19) to rotate, so that the snake tube (4) rotates synchronously, thereby adjusting the observation angle of the endoscope lens at the end of the snake tube (4) in all directions; Step 3: When the surface of the transparent protective cover (8) is blocked by foreign matter and affects the clarity, the digestive endoscope operating body (1) can inject water vapor into the nozzle (23) through the water-gas pipe (24), and the water vapor pushes the valve (37) open. When the injection stops, the valve (37) is reset under the action of the first spring (34), and the valve is closed to prevent the backflow from contaminating the mirror body. The transparent protective cover (8) is cleaned by spraying through the nozzle (23). When a biopsy is required, the biopsy forceps can be inserted into the sealing pad (40) and enter the clamp channel tube (5) through the inner tube (42), so as to perform a biopsy, and the clamp channel tube (5) can be used for medication.

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