Angle rotating mechanism of digestive endoscope

Abstract

The invention discloses an angle rotating mechanism of a digestive endoscopy, and belongs to the technical field of digestive endoscopes, the angle rotating mechanism comprises a grip, one side of the grip is fixedly connected with a connecting pipe, a catheter is installed below the grip, a rotating device used for rotating without dead angles is installed in the catheter, an endoscope body is fixedly connected below the rotating device, and the endoscope body is fixedly connected with the connecting pipe. One side of the grip is connected with a protection device used for preventing mistaken touch. According to the endoscope, if reverse rotation is needed, an operator only needs to loosen the control button on the upper portion and press the control button on the lower portion, and then the motor can rotate reversely, so that the whole structure is driven to rotate in the opposite direction, and the endoscope body is gradually restored to the initial position; due to the optimization of the structural design, an operator can control the endoscope body to rotate without a dead angle more easily and freely, so that high-precision diagnosis and treatment operation can be realized in a complex digestive tract environment, the operation difficulty is effectively reduced, and the examination accuracy is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of digestive endoscopes, and in particular relates to an angle rotation mechanism of a digestive endoscope. Background Art

[0002] A digestive endoscope is a medical device specifically used for gastrointestinal examination and treatment. It is widely used to observe the internal conditions of the esophagus, stomach, small intestine and large intestine. The front end is equipped with a high-definition camera and a powerful light source, which can capture images in the digestive tract in real time and transmit them to the display screen, allowing doctors to clearly identify the location, nature and size of the lesions. In addition, the digestive endoscope is also equipped with multiple surgical tool channels to support a variety of minimally invasive operations such as tissue resection, hemostasis and biopsy. This design not only improves the accuracy of diagnosis, but also enables doctors to perform multiple treatments in one procedure, significantly reducing patients' pain and recovery time. With the development of technology, modern digestive endoscopes have also incorporated new technologies such as ultrasonic endoscopes and electronic endoscopes to further improve the accuracy and safety of examination and treatment.

[0003] Currently, most digestive endoscopes use a swinging structure to adjust the viewing angle, allowing the endoscope head to swing up and down, left and right within a certain range to observe lesions in the digestive tract. However, when all-round observation is required, the swinging range is limited, and the operator often needs to manually rotate the catheter to expand the viewing angle. This operation requires skilled techniques and high stability to avoid missing key details, but frequent manual adjustments will increase the burden on doctors and affect inspection efficiency. For this reason, the focus of endoscopic technology improvements is to achieve more convenient all-round viewing angle adjustment to reduce the operator's operating burden while maintaining image quality.

[0004] Based on this, the present invention designs an angle rotation mechanism of a digestive endoscope to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that when all-round observation is required, the swing range is limited and the operator often needs to manually rotate the catheter to expand the viewing angle. This operation requires skilled techniques and high stability to avoid missing key details, but frequent manual adjustments will increase the burden on doctors and affect the efficiency of examinations. An angle rotation mechanism for a digestive endoscope is proposed.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A digestive endoscope angle rotation mechanism comprises a handle, one side of the handle is fixedly connected to a connecting tube, a catheter is installed under the handle, a rotating device for rotating without dead angles is installed in the catheter, an endoscope body is fixedly connected under the rotating device, one side of the handle is connected to a protective device for preventing accidental touch, a damping device for increasing resistance to the rotating device is externally connected to the rotating device, and an inflation device for expanding the inspection area is externally provided on the catheter.

[0008] As a further description of the above technical solution:

[0009] The rotating device includes two control buttons, which are connected through the handle. The two control buttons are connected to the same wire, one end of the wire is fixedly connected to an electric motor, the output end of the electric motor is fixedly connected to a rotating shaft, the rotating shaft is rotatably connected to a mounting plate, the mounting plate is welded in a conduit, a fixed block is connected under the mounting plate, the fixed block is fixedly connected to a frame outside, the rotating shaft is rotatably connected in the fixed block, a rotating plate is fixedly connected under the rotating shaft, a rotating rod is fixedly connected under the rotating plate, a movable plate is hinged to the outside of the rotating rod through a pin, the movable plate is hinged in the frame through a pin, a ball is fixedly connected under the rotating rod, and the ball is rotatably connected in the conduit.

[0010] As a further description of the above technical solution:

[0011] A half area of ​​the sphere is arranged outside the catheter, and the sphere is made of a rubber material with sealing properties.

[0012] As a further description of the above technical solution:

[0013] The endoscope body is fixedly connected to the outside of the sphere, and a signal line for conducting electricity is fixedly connected inside the endoscope body.

[0014] As a further description of the above technical solution:

[0015] Two vertical plates are symmetrically arranged under the electric motor, and the vertical plates are connected to the mounting plate.

[0016] As a further description of the above technical solution:

[0017] The protective device comprises a protective shell, the protective shell is fixedly connected to the outside of the handle, a partition for dividing areas is connected inside the protective shell, and the two control buttons are respectively arranged in two areas inside the protective shell.

[0018] As a further description of the above technical solution:

[0019] The damping device comprises two connecting plates, the connecting plates are connected to the mounting plate, the opposite surfaces of the two connecting plates are fixedly connected with telescopic rods, one end of the telescopic rod is connected with an arc plate, and a return spring is arranged on the outer sleeve of the telescopic rod.

[0020] As a further description of the above technical solution:

[0021] One end of the return spring is connected in the arc plate, and the other end of the return spring is connected in the connecting plate.

[0022] As a further description of the above technical solution:

[0023] The inflation device includes a two-way air pump and a ring. The two-way air pump is connected inside the handle. Two air pump buttons are connected outside the two-way air pump. The air pump buttons are connected through the handle. The ring is sleeved outside the catheter. Two annular air bags are connected through the ring. The two annular air bags are connected to the same circular ring below. A through hole is opened in the ring.

[0024] As a further description of the above technical solution:

[0025] The catheter is provided with an opening on the outside, and a sleeve ring is sleeved on the opening. The sleeve ring is provided with a cavity for injecting air into the annular airbag.

[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0027] 1. In the present invention, when the angle adjustment is required, the operator presses the control button at the top, and the electric motor is started to drive the rotating shaft to rotate clockwise or counterclockwise. The rotational force of the rotating shaft is transmitted to the rotating plate, so that the rotating plate rotates synchronously with it. This linkage further drives the rotating rod to rotate. The rotating rod rotates flexibly with a certain amplitude inside the movable plate through the pin shaft, and at the same time drives the movable plate to swing inside the frame through the pin shaft. In this layer-by-layer transmission process, the rotating rod gradually drives the ball to rotate in the catheter, so that the angle of the endoscope body is adjusted accordingly, so that the operator can observe the tissue structure in all directions of the digestive tract more clearly, thereby greatly enhancing the comprehensive field of view of the endoscope body; if reverse rotation is required, the operator only needs to release the control button at the top and press the control button at the bottom to realize the motor reversal, thereby driving the entire structure to rotate in the opposite direction, so that the endoscope body gradually returns to the initial position. The optimization of this structural design enables the operator to more easily control the rotation of the endoscope body without dead angles, thereby achieving high-precision diagnosis and treatment operations in a complex digestive tract environment, effectively reducing the difficulty of operation and improving the accuracy of inspection.

[0028] 2. In the present invention, in a relatively narrow inspection space, such as a contracted gastric cavity, the steering adjustment of the endoscope body may be limited, so that the operating space and angle adjustment are affected to a certain extent. In this case, the operator can start the two-way air pump by pressing the air pump button on the device. At this time, the two-way air pump smoothly delivers gas to the catheter and gradually injects it into the annular airbag through the preset through hole. As the annular airbag is inflated, the originally narrow inspection area will gradually be expanded by the annular airbag, thereby creating a more spacious space for the multi-angle rotation of the endoscope body, greatly improving the flexibility and controllability of the operation. After the inspection is completed, the operator only needs to press another air pump button to trigger the two-way air pump. The reverse action to the air pump causes the gas in the annular airbag to be quickly extracted, and the annular airbag then returns to its original state. This design not only facilitates the endoscope body to penetrate into more complex areas during the inflation process, further expanding the observation angle, but also significantly improves the convenience and safety of the endoscope body when withdrawing the catheter. In addition, the sealing performance of the annular airbag structure during the release and inflation process can ensure that the gas only acts on the required area, avoiding interference with surrounding tissues, thereby effectively ensuring the efficiency, safety and precision of the entire operation process. This flexible inflation and exhaust mechanism allows the endoscope body to flexibly respond to various complex and narrow environments, greatly improving the doctor's operating experience and examination accuracy.

[0029] 3. In the present invention, during the rotation process, the designed pull-back spring will exert a continuous elastic force on the arc plate, so that the arc plate produces a friction effect when the shaft rotates. This friction force can provide appropriate resistance for the shaft, forming a damping effect, preventing the endoscope body from losing control due to excessive rotation, and at the same time effectively improving the stability of the operation, ensuring the smoothness and safety of the observation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a three-dimensional structural schematic diagram of an angle rotation mechanism of a digestive endoscope proposed by the present invention;

[0031] Figure 2 This is a three-dimensional structural schematic diagram of a handle of an angle rotating mechanism of a digestive endoscope proposed by the present invention;

[0032] Figure 3 This is a three-dimensional structural schematic diagram of a rotating device of an angle rotating mechanism of a digestive endoscope proposed by the present invention;

[0033] Figure 4 An angle rotation mechanism of a digestive endoscope proposed by the present invention Figure 3 The structural diagram of the enlarged part A in the middle;

[0034] Figure 5 This is a three-dimensional structural schematic diagram of an angle rotation mechanism damping device for a digestive endoscope proposed by the present invention;

[0035] Figure 6 This is a three-dimensional structural schematic diagram of an inflation device of an angle rotating mechanism of a digestive endoscope proposed by the present invention;

[0036] Figure 7 This is a three-dimensional structural diagram of a circular airbag of an angle rotating mechanism of a digestive endoscope proposed by the present invention;

[0037] Figure 8 An angle rotation mechanism of a digestive endoscope proposed by the present invention Figure 7 The enlarged structural diagram of part B in the middle;

[0038] Legend:

[0039] 1. Handle; 2. Connecting tube; 3. Catheter; 4. Rotating device; 401. Control button; 402. Wire; 403. Electric motor; 404. Rotating shaft; 405. Mounting plate; 406. Fixed block; 407. Frame; 408. Rotating plate; 409. Rotating rod; 410. Movable plate; 411. Sphere; 5. Endoscope body; 6. Protective device; 61. Protective shell; 62. Partition; 7. Damping device; 71. Connecting plate; 72. Telescopic rod; 73. Arc plate; 74. Retracting spring; 8. Inflating device; 81. Two-way air pump; 82. Air pump button; 83. Ring; 84. Through hole; 85. Annular air bag; 86. Ring. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-Figure 8 The present invention provides a technical solution: an angle rotation mechanism of a digestive endoscope, comprising a handle 1, a connecting tube 2 fixedly connected to one side of the handle 1, a catheter 3 installed under the handle 1, a rotating device 4 for rotating without dead angles installed in the catheter 3, an endoscope body 5 fixedly connected under the rotating device 4, a protective device 6 for preventing accidental touch connected to one side of the handle 1, a damping device 7 for increasing resistance to the rotating device 4 connected to the outside of the rotating device 4, and an inflation device 8 for expanding the inspection area is provided on the outer shell of the catheter 3.

[0042] The no-dead-angle rotating device 4 adopts a multi-axis structural design, so that the endoscope body 5 can be flexibly rotated at multiple angles, providing a more comprehensive and detailed observation perspective for gastrointestinal lesions. This design enables the operator to quickly adjust the angle of the endoscope body 5 in a complex anatomical environment to ensure comprehensive inspection coverage and accurate observation. The protective device 6 effectively prevents the occurrence of accidental touches, allowing the doctor to focus on observation and treatment during operation without being affected by irrelevant interference, significantly improving the safety of the operation of the endoscope body 5 and reducing potential risks to patients and medical staff. In addition, the damping device 7 provides moderate resistance when the endoscope body 5 rotates, which increases the feel and precise control of the operation, allowing the operator to more safely fine-tune the direction when rotating the endoscope body 5 to ensure accuracy and stability. Thanks to these optimized designs, doctors can more confidently perform detailed observations and operations when facing complex anatomical structures, further improving the quality and safety of the diagnosis and treatment process.

[0043] Specifically, Figure 2-3 As shown, the rotating device 4 includes two control buttons 401, and the control buttons 401 are connected through the handle 1. The two control buttons 401 are connected to the same wire 402, one end of the wire 402 is fixedly connected to an electric motor 403, and the output end of the electric motor 403 is fixedly connected to a rotating shaft 404, and the rotating shaft 404 is rotatably connected to a mounting plate 405 outside, and the mounting plate 405 is welded in the conduit 3, and a fixed block 406 is connected below the mounting plate 405, and the fixed block 406 is fixedly connected to a frame 407 outside, and the rotating shaft 404 is rotatably connected in the fixing block 406, and the rotating shaft 404 is fixedly connected to a rotating shaft 404 below. Plate 408, a rotating rod 409 is fixedly connected under the rotating plate 408, a movable plate 410 is hinged outside the rotating rod 409 through a pin shaft, the movable plate 410 is hinged in the frame 407 through the pin shaft, a sphere 411 is fixedly connected under the rotating rod 409, the sphere 411 is rotatably connected in the catheter 3, half of the sphere 411 is arranged outside the catheter 3, and the sphere 411 is arranged to be a rubber material with sealing properties, the endoscope body 5 is fixedly connected to the outside of the sphere 411, and a signal line for conduction is fixedly connected in the endoscope body 5, and two vertical plates are symmetrically arranged under the electric motor 403, and the vertical plates are connected to the mounting plate 405.

[0044] The sealing design of the sphere 411 effectively prevents gas leakage and ensures safety during the operation of the endoscope body 5. The choice of rubber material not only has a good sealing effect, but also can adapt to the shape and environmental changes in the digestive tract, which helps to reduce friction and potential damage to surrounding tissues, thereby improving the safety of the examination and the comfort of the patient. In addition, the hinged structure between the movable plate 410 and the rotating rod 409 enables the endoscope body 5 to flexibly rotate at multiple angles, achieving a more comprehensive observation of the lesion site. This flexible design further enhances the accuracy of the operation, provides doctors with more convenient viewing angle control, and makes the inspection process more efficient and reliable.

[0045] Specifically, Figure 2 As shown, the protective device 6 includes a protective shell 61, which is fixedly connected to the outside of the handle 1. A partition 62 for dividing areas is connected inside the protective shell 61, and two control buttons 401 are respectively arranged in two areas inside the protective shell 61.

[0046] The design of the protective shell 61 provides an independent and safe environment for operation, ensures effective isolation of the operating area from the hands, reduces interference during operation and possible risks of accidental touches. This structure allows the operator to focus more on the manipulation of the endoscope body 5, thereby improving the safety and accuracy of the operation. At the same time, the partition 62 separates different operating areas, so that the operator can avoid accidental contact with non-target control buttons 401 when performing different operations. This design effectively prevents the deviation of the viewing angle due to accidental touches during the observation process, helps to reduce the operator's operating burden, and makes the entire process smoother, thereby improving the overall efficiency and accuracy of the inspection of the endoscope body 5.

[0047] Specifically, Figure 5 As shown, the damping device 7 includes two connecting plates 71, which are connected to the mounting plate 405, and the opposite surfaces of the two connecting plates 71 are fixedly connected with telescopic rods 72, one end of the telescopic rods 72 is connected with an arc plate 73, and the outer sleeve of the telescopic rods 72 is provided with a return spring 74, one end of the return spring 74 is connected to the arc plate 73, and the other end of the return spring 74 is connected to the connecting plate 71.

[0048] The damping device 7 cooperates with the telescopic rod 72 and the return spring 74 so that the return spring 74 applies continuous elastic force to the arc plate 73, thereby ensuring that the arc plate 73 always applies moderate friction to the rotating shaft 404. This design provides appropriate resistance for the rotation of the endoscope body 5, so that the operator can feel more stable when rotating the endoscope body 5, avoiding excessive rotation or loss of control of the endoscope body 5 due to excessive operation. The structure of the arc plate 73 further optimizes the distribution of force, evenly disperses the force on the rotating shaft 404, and prevents excessive concentration of local stress, thereby improving the overall durability of the equipment and extending its service life. In addition, the arc plate 73 effectively buffers speed changes during rotation, avoiding the risk of tissue damage caused by rapid rotation. This smooth and controllable rotation method not only protects the patient's tissue structure, but also significantly improves the safety and comfort of operating the endoscope body 5, making the entire inspection process smoother and safer.

[0049] Specifically, Figure 6-8 As shown, the inflation device 8 includes a two-way air pump 81 and a ring 83. The two-way air pump 81 is connected inside the handle 1. Two air pump buttons 82 are connected outside the two-way air pump 81. The air pump button 82 is connected through the handle 1. The ring 83 is sleeved outside the catheter 3. Two annular air bags 85 are connected through the ring 83. The two annular air bags 85 are connected to the same circular ring 86. A through hole 84 is provided in the ring 83. An opening is provided outside the catheter 3, and the ring 83 is sleeved at the opening. A cavity is provided in the ring 83 for injecting air into the annular air bags 85.

[0050] The efficient design of the two-way air pump 81 ensures that the gas injection and extraction process is rapid, reducing the operation time, which is particularly important in emergency situations and helps to quickly adjust the observation range of the endoscope body 5. The two-way air pump 81 can be started by pressing the air pump button 82. If it is released, it can be stopped, which is convenient to operate. The structural optimization of the ring 83 reduces the air flow resistance, improves the efficiency of inflation and exhaust, and makes the entire inflation device 8 work more smoothly. Due to the special shape design of the annular airbag 85, energy consumption is also reduced, making the inflation efficiency higher. The two-way air pump 81 of the inflation device 8 can flexibly and quickly adjust the inflation state of the annular airbag 85, thereby effectively expanding the inspection area. This flexible inflation function enables the operator to quickly adapt to various anatomical environments and improves the efficiency and accuracy of the inspection. The design of the annular airbag 85 can effectively open the narrow area during the expansion process, and the gap design in the annular airbag 85 is reasonable to ensure that it will not affect the normal operation of the surrounding organs. This design not only optimizes the inspection environment, but also reduces the pressure and potential damage to the tissue, ensuring the safety and effectiveness of the entire inspection process.

[0051] Working principle, when in use: when the angle of the digestive endoscope body 5 needs to be adjusted, the operator can start the electric motor 403 by pressing the upper control button 401, and the rotation of the electric motor 403 directly drives the rotating shaft 404 to rotate, and the movement of the rotating shaft 404 causes the rotating plate 408 to rotate synchronously, and the rotating plate 408 is connected to the rotating rod 409, and the rotating rod 409 is connected to the movable plate 410 through a pin shaft. This design ensures that the rotation of the rotating rod 409 can be effectively transmitted to the movable plate 410, so that it shakes accordingly in the frame 407. During the rotation of the rotating rod 409, the ball 411 is in the catheter 3. The endoscope body 5 is rotated, thereby driving the endoscope body 5 to rotate. If the angle needs to be adjusted in the opposite direction, the operator only needs to release the upper control button 401 and then press the lower control button 401, and the electric motor 403 will quickly reverse. This two-way control design provides great flexibility, allowing the operator to adjust the angle of the endoscope body 5 at any time according to the inspection needs. During the rotation process, the return spring 74 applies elastic force to the arc plate 73, prompting the arc plate 73 to move synchronously, and the two arc plates 73 apply friction force to the rotating shaft 404. This friction force slows down the rotation speed of the rotating shaft 404, achieving a damping effect. , effectively preventing operational errors caused by too fast rotation. This design provides better control ability when conducting detailed inspections, especially when it is necessary to observe narrow areas, so that the operator can adjust the position of the endoscope body 5 more accurately. When inspecting in a relatively narrow space, such as a contracted stomach cavity, the steering adjustment of the endoscope body 5 may be subject to certain restrictions. In order to improve this, the operator can press the air pump button 82 on the device to start the two-way air pump 81. At this time, the two-way air pump 81 delivers gas to the catheter 3 and injects it into the annular airbag 85 through the through hole 84. The annular airbag 85 is filled with After the air is inflated, the surrounding narrow area will be expanded to increase the operating space of the endoscope body 5. The implementation of this process allows the operator to smoothly adjust the angle of the endoscope body 5 in a restricted environment, avoiding operational obstacles caused by insufficient space. When the inspection is completed, the operator only needs to press another air pump button 82, and the two-way air pump 81 will extract the gas in the annular airbag 85, causing the annular airbag 85 to return to its initial state. This design ensures that the endoscope body 5 can quickly return to its original state after the inspection is completed, making it easier to proceed to the next step of operation or to smoothly withdraw the catheter 3, thereby completing the adjustment process of the endoscope body 5.

[0052] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An angle rotation mechanism for a digestive endoscope, comprising a handle (1), characterized in that: A connecting tube (2) is fixedly connected to one side of the handle (1), a catheter (3) is installed under the handle (1), a rotating device (4) for performing rotation without blind spots is installed inside the catheter (3), an endoscope body (5) is fixedly connected under the rotating device (4), a protective device (6) for preventing accidental touch is connected to one side of the handle (1), a damping device (7) for increasing resistance to the rotating device (4) is connected to the outside of the rotating device (4), and an inflation device (8) for expanding the inspection area is provided on the outer shell of the catheter (3).

2. The angle rotation mechanism of a digestive endoscope according to claim 1, characterized in that: The rotating device (4) comprises two control buttons (401), the control buttons (401) are connected through the handle (1), the two control buttons (401) are connected to the same wire (402), one end of the wire (402) is fixedly connected to an electric motor (403), the output end of the electric motor (403) is fixedly connected to a rotating shaft (404), the rotating shaft (404) is rotatably connected to a mounting plate (405), the mounting plate (405) is welded in the conduit (3), and a fixing block (405) is connected below the mounting plate (405). 06), the fixed block (406) is fixedly connected to a frame (407) outside, the rotating shaft (404) is rotatably connected inside the fixed block (406), a rotating plate (408) is fixedly connected below the rotating shaft (404), a rotating rod (409) is fixedly connected below the rotating plate (408), a movable plate (410) is hinged to the outside of the rotating rod (409) via a pin, the movable plate (410) is hinged to the frame (407) via a pin, a ball (411) is fixedly connected below the rotating rod (409), and the ball (411) is rotatably connected inside the catheter (3).

3. The angle rotation mechanism of a digestive endoscope according to claim 2, characterized in that: A half area of ​​the spherical body (411) is arranged outside the catheter (3), and the spherical body (411) is made of a rubber material having sealing properties.

4. The angle rotation mechanism of a digestive endoscope according to claim 2, characterized in that: The endoscope body (5) is fixedly connected to the outside of the sphere (411), and a signal line for conducting electricity is fixedly connected inside the endoscope body (5).

5. The angle rotation mechanism of a digestive endoscope according to claim 2, characterized in that: Two vertical plates are symmetrically arranged below the electric motor (403), and the vertical plates are connected to the mounting plate (405).

6. The angle rotation mechanism of a digestive endoscope according to claim 2, characterized in that: The protective device (6) comprises a protective shell (61), the protective shell (61) being fixedly connected to the outside of the handle (1), a partition (62) for dividing areas being connected inside the protective shell (61), and the two control buttons (401) being respectively arranged in two areas inside the protective shell (61).

7. The angle rotation mechanism of a digestive endoscope according to claim 2, characterized in that: The damping device (7) comprises two connecting plates (71), the connecting plates (71) being connected to the mounting plate (405), the opposite surfaces of the two connecting plates (71) being fixedly connected to telescopic rods (72), one end of the telescopic rods (72) being connected to an arc-shaped plate (73), and the outer sleeve of the telescopic rods (72) being provided with a pull-back spring (74).

8. The angle rotation mechanism of a digestive endoscope according to claim 7, characterized in that: One end of the return spring (74) is connected to the arc-shaped plate (73), and the other end of the return spring (74) is connected to the connecting plate (71).

9. The angle rotation mechanism of a digestive endoscope according to claim 1, characterized in that: The inflation device (8) comprises a two-way air pump (81) and a collar (83). The two-way air pump (81) is connected inside the handle (1). Two air pump buttons (82) are connected outside the two-way air pump (81). The air pump buttons (82) are connected through the handle (1). The collar (83) is sleeved outside the catheter (3). Two annular air bags (85) are connected through the collar (83). The two annular air bags (85) are connected below the same circular ring (86). A through hole (84) is provided inside the collar (83).

10. The angle rotation mechanism of a digestive endoscope according to claim 9, characterized in that: The catheter (3) is provided with an opening on the outside, and the collar (83) is sleeved on the opening. The collar (83) is provided with a cavity inside for facilitating the injection of gas into the annular airbag (85).

Images