Operating handle and endoscope

Abstract

This utility model discloses an operating handle and an endoscope, relating to the field of medical device technology. The operating handle includes a housing, a first traction rope, a second traction rope, a first traction wheel, and a second traction wheel. The housing has an installation interface. The center line connecting the first and second traction wheels intersects the axis of the installation interface. The first and second traction ropes are connected to the insertion part of the endoscope. The proximal end of the first traction rope is connected to the first traction wheel, and the proximal end of the second traction rope is connected to the second traction wheel. By changing the relative position of the first and second traction wheels, the difference in the travel distance between the first and second traction ropes can be eliminated. This ensures that the insertion part rotates in the same range in both directions, ensuring that the insertion part can bend into place. The first and second traction ropes simultaneously and accurately act on the insertion part, avoiding lag in the rotation operation of the insertion part and improving the control accuracy and response speed of the endoscope.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to an operating handle and endoscope. Background Technology

[0002] In existing endoscopes, the operating handle typically features a rotary wheel. This wheel is used to pull or release a steel cable, which in turn rotates the distal end of the insertion section. However, due to the slow response speed and poor control precision of existing rotary wheels, the insertion section is prone to defects such as delayed or incomplete bending. This increases the difficulty of operation for medical personnel and also affects the safety of endoscope use during surgery. Utility Model Content

[0003] In view of the shortcomings of the above-mentioned related technologies, this application provides an operating handle and an endoscope to solve the above-mentioned technical problems.

[0004] In a first aspect, this application provides an operating handle for an endoscope. The operating handle includes a housing, a first traction rope, a second traction rope, a first traction wheel, and a second traction wheel. The housing has an installation interface adapted to connect with the insertion part of the endoscope. The first traction wheel and the second traction wheel are arranged at intervals and are mounted on the housing. The center line connecting the first traction wheel and the second traction wheel intersects the axis of the installation interface. The first traction rope is used to drive the insertion part of the endoscope to rotate in a first direction, and the second traction rope is used to drive the insertion part of the endoscope to rotate in a second direction. The proximal end of the first traction rope is connected to the first traction wheel, and the proximal end of the second traction rope is connected to the second traction wheel. The first direction and the second direction are opposite or intersecting.

[0005] Secondly, this application provides an endoscope, including an operating handle and an insertion part as described above, wherein the insertion part is connected to the mounting interface of the operating handle.

[0006] The technical solution adopted in this utility model achieves the following beneficial effects: the first traction wheel and the second traction wheel are linked together. If the insertion part needs to be rotated to one side, the first traction wheel tightens the first traction rope located on one side of the insertion part, and the second traction wheel loosens the second traction rope located on the other side of the insertion part, thereby controlling the distal end of the insertion part to bend in the specified direction. The mounting interface is suitable for connection with the insertion part of the endoscope. By arranging the first and second traction wheels alternately, this arrangement can create a space between the first and second traction wheels, which can be used to arrange instrument tubes, cables, and other structures. In existing applications, the traction wheels are offset relative to the operating handle housing, which causes a difference in the travel of the two traction ropes. In this application, the center line connecting the first and second traction wheels intersects the axis of the mounting interface, and the first and second traction wheels are respectively located on opposite sides of the axis of the mounting interface. By changing the relative position of the first and second traction wheels, the difference in the travel of the first and second traction ropes can be eliminated. This avoids a difference in the rotational travel of the first and second traction wheels, while ensuring that the insertion part rotates in the same range in both directions, ensuring that the insertion part can bend into place. The first and second traction ropes act simultaneously and accurately on the insertion part, avoiding any lag in the rotation operation of the insertion part and improving the control accuracy and response speed of the endoscope.

[0007] Furthermore, based on the positional relationship between the first and second traction wheels, the first and second traction ropes can extend in a direction away from the axis of the mounting interface, and the first and second traction wheels apply traction force synchronously. In the direction close to the axis of the mounting interface, the traction force components of the first and second traction wheels are balanced. This avoids uneven force distribution on the first and second traction wheels, reduces transmission loss of traction force in the first and second traction ropes, and optimizes the transmission effect between the traction wheels and the insertion part. Attached Figure Description

[0008] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0009] Figure 1 This is a schematic diagram illustrating the structure of the first wire rope, the second wire rope, and the reel in an exemplary embodiment of this application;

[0010] Figure 2 This is a schematic diagram of the structure of an endoscope shown in an exemplary embodiment of this application;

[0011] Figure 3This is a schematic diagram of the structure of the first traction wheel, the second traction wheel, and the housing, as shown in an exemplary embodiment of this application;

[0012] Figure 4 This is a schematic diagram of the structure of the operating handle shown in an exemplary embodiment of this application;

[0013] Figure 5 yes Figure 4 A sectional view along AA in the diagram;

[0014] Figure 6 This is a schematic diagram of the structure of the fastener shown in an exemplary embodiment of this application.

[0015] In the diagram: 1. Endoscope; 100. Operating handle; 110. Housing; 111. Mounting interface; 112. Fixing component; 1121. First channel; 1122. Second channel; 1123. Mounting slot; 120. First traction rope; 130. Second traction rope; 140. First traction wheel; 150. Second traction wheel; 160. Operating component; 161. Negative pressure suction valve; 1611. Connecting pipe; 162. Circuit board; 170. Rotating shaft; 200. Insertion part; 310. Rotating wheel; 321. First steel wire rope; 322. Second steel wire rope; 330. Mounting part. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0018] In the various embodiments of this application, "near end" and "far end" refer to the distance of each component from the user in the usage environment. The end closer to the user is designated as the "near end", and the end farther from the user is designated as the "far end".

[0019] Please see Figure 1 Existing endoscopes typically have a rotating wheel 310 on their operating handle. This wheel is used to pull or release a steel cable, which in turn drives the insertion section to rotate its distal end. To accommodate other components such as control valves, the rotating wheel 310 is offset within the operating handle, leaving more space in the middle area of ​​the handle for easier installation of other parts.

[0020] However, the offset arrangement of the two rollers 310 can lead to defects such as delayed or incomplete bending. This is because the two rollers 310 are located on the same side of the operating handle's axis, and the operating handle has a mounting portion 330 suitable for introducing a wire rope. However, the operating handle contains a first wire rope 321 and a second wire rope 322, which are respectively connected to opposite sides of the insertion portion. The proximal ends of the first wire rope 321 and the second wire rope 322 are introduced into the operating handle from opposite sides of the mounting portion 330. Figure 1 As shown, the distances between the opposite sides of the mounting part 330 and the rotating shaft are not the same; that is, the distance from one side of the mounting part 330 to the rotating shaft is longer, and the distance from the other side is shorter. This results in the first steel wire rope 321 being shorter than the second steel wire rope 322. Before pulling the insertion part with the second steel wire rope 322 each time, the rotating wheel 310 needs to rotate a certain distance to eliminate the excess material in the second steel wire rope 322 before it can effectively pull or release the insertion part. This causes a lag in the rotation operation of the insertion part in a certain direction. At the same time, when medical personnel operate the rotating wheel 310 to its limit position, because of the difference in the length and rotation stroke of the two traction ropes, the bending amplitude of the insertion part in the two directions is not the same, which will cause the insertion part to be unable to bend to the designated position in a certain direction.

[0021] This application provides an operating handle 100, please refer to [link / reference]. Figure 2 The operating handle 100 can at least partially solve the above-mentioned defects such as untimely bending or incomplete bending.

[0022] Please see Figure 2 as well as Figure 3 The operating handle 100 of this application is used for endoscope 1. Endoscope 1 may also include an insertion part 200, which is connected to the operating handle 100. The insertion part 200 can be inserted into the patient's body to observe and treat the affected area inside the patient. Medical personnel operate the operating handle 100 to control the insertion, bending, or aspiration of the insertion part 200, etc., without limiting the function or type of endoscope 1.

[0023] Please see Figure 3The operating handle 100 may include a housing 110, a first traction rope 120, a second traction rope 130, a first traction wheel 140, and a second traction wheel 150. The first traction wheel 140 and the second traction wheel 150 are mounted on the housing 110, the first traction rope 120 is connected to the first traction wheel 140, and the second traction rope 130 is connected to the second traction wheel 150.

[0024] Please see Figure 4 The housing 110 has an installation interface 111, which is adapted to connect to the insertion part 200 of the endoscope 1. For example, the installation interface 111 may have a through hole, allowing the insertion part 200 to be installed at the installation interface 111, and the insertion part 200 communicates with the internal space of the housing 110 through the through hole. Furthermore, the insertion part 200 may house a camera module, an illumination module, and an instrument tube, etc., and the cables of the camera module and illumination module, as well as the instrument tube, can all extend into the housing 110 through the installation interface 111. Of course, the housing 110 may also house other components, such as a camera button, which can also be connected to the insertion part 200 through the installation interface 111.

[0025] A first traction rope 120 is used to drive the insertion part 200 of the endoscope 1 to rotate in a first direction, and a second traction rope 130 is used to drive the insertion part 200 of the endoscope 1 to rotate in a second direction. The proximal end of the first traction rope 120 is connected to a first traction wheel 140, and the proximal end of the second traction rope 130 is connected to a second traction wheel 150. The first traction rope 120 and the second traction rope 130 are respectively connected to opposite sides of the insertion part 200. More specifically, the first traction rope 120 is connected to the insertion part 200 and has a first connection point, and the second traction rope 130 is connected to the insertion part 200 and has a second connection point. The first connection point and the second connection point are located on opposite sides of the insertion part 200. The first direction and the second direction are opposite or intersecting. When the first direction and the second direction are opposite, the first connection point and the second connection point are located at opposite ends on the same diameter of the insertion part 200. When the first direction and the second direction intersect, there is an angle between the first direction and the second direction, which can be 30°, 60°, or 90°, etc., and is not limited. For example, the insertion part 200 has a circular cross-section, and the first connection point and the second connection point are located on opposite sides of a certain radius of the insertion part 200. Medical personnel control the bending of the insertion part 200 by operating the first traction wheel 140 and the second traction wheel 150. For instance, under the operation of medical personnel, while the first traction wheel 140 pulls the first traction rope 120, the second traction wheel 150 releases the second traction rope 130, and the first traction rope 120 drives the insertion part 200 to bend towards the side closer to the distal end of the first traction rope 120. Alternatively, the first traction wheel 140 releases the first traction rope 120, and the second traction wheel 150 pulls the second traction rope 130, driving the insertion part 200 to bend towards the side closer to the distal end of the second traction rope 130; this will not be elaborated further here.

[0026] Please see Figure 5 The first traction wheel 140 and the second traction wheel 150 are arranged at intervals, and the center line connecting the first traction wheel 140 and the second traction wheel 150 is parallel to the axis of the mounting interface 111 (e.g., Figure 5The mounting interface 111 is adapted to connect with the insertion part 200 of the endoscope 1. In this application, the first traction wheel 140 and the second traction wheel 150 are arranged alternately, and the center line connecting the first traction wheel 140 and the second traction wheel 150 intersects the axis of the mounting interface 111. The first traction wheel 140 and the second traction wheel 150 are respectively located on opposite sides of the axis of the mounting interface 111. By changing the relative positions of the first traction wheel 140 and the second traction wheel 150, the difference in the active stroke of the first traction rope 120 and the second traction rope 130 can be eliminated, avoiding differences in the rotational stroke of the first traction wheel 140 and the second traction wheel 150. Simultaneously, it ensures that the insertion part 200 rotates within the same range in both directions, ensuring that the insertion part 200 can bend into place. The first traction rope 120 and the second traction rope 130 simultaneously and accurately act on the insertion part 200, avoiding lag in the rotational operation of the insertion part 200 in a certain direction, and improving the rotational accuracy and response speed of the endoscope 1.

[0027] Furthermore, based on the positional relationship between the first traction wheel 140 and the second traction wheel 150, the first traction rope 120 and the second traction rope 130 can extend in a direction away from the axis of the mounting interface 111, and the first traction wheel 140 and the second traction wheel 150 apply traction force synchronously. In the direction close to the axis of the mounting interface 111, the traction force components of the first traction wheel 140 and the second traction wheel 150 are balanced. This avoids uneven force distribution on the first traction wheel 140 and the second traction wheel 150, reduces the transmission loss of traction force in the first traction rope 120 and the second traction rope 130, and optimizes the transmission effect.

[0028] In one embodiment, the first traction wheel 140 and the second traction wheel 150 are symmetrically arranged with respect to a mirror plane, and the axis of the mounting interface 111 is located in the mirror plane. This symmetrical arrangement ensures that the pulling force generated by the first traction wheel 140 and the second traction wheel 150 during operation is symmetrically distributed along the mirror plane, and the components of the traction force of the first traction wheel 140 and the second traction wheel 150 distributed along their own axes are balanced. This further avoids offset or rotation caused by uneven force on a single traction wheel, reduces the transmission consumption of traction force, optimizes the transmission effect, and improves the bending control accuracy and operational comfort of the insertion part 200.

[0029] In the embodiments of this application, please refer to Figure 3The operating handle 100 may also include an operating component 160, which includes, but is not limited to, a negative pressure suction valve 161, a circuit board 162, etc. The operating component 160 is mounted on the housing 110 and is located in the gap between the first traction wheel 140 and the second traction wheel 150. A reserved space between the first traction wheel 140 and the second traction wheel 150 is provided for the operating component 160, and this space is located on the axis of the mounting interface 111. Because the first traction wheel 140 and the second traction wheel 150 are symmetrical with respect to a mirror image, the lateral dimension of the intermediate region is enlarged. Relatively speaking, this space forms a larger accommodating area near the axis, avoiding the influence of the sidewalls of the housing 110 on the shape and layout of the space, and providing more ample space for the operating component 160 and its auxiliary components (such as cables, pipes, etc. connected to the operating component 160). For example, if the operating component 160 contains a complex valve body structure, the larger intermediate space can avoid interference between other components, facilitating modular installation and maintenance.

[0030] Please continue reading. Figure 3 The operating handle 100 may also include a rotating shaft 170, which connects the first traction wheel 140 and the second traction wheel 150. The rotating shaft 170 enables the first traction wheel 140 and the second traction wheel 150 to move together, reducing the number of power sources. The rotating shaft 170, the first traction wheel 140, and the second traction wheel 150 form an installation space, within which the operating element 160 is located. The installation space is formed between the first traction wheel 140 and the second traction wheel 150, and the axis of the mounting interface 111 is located within the installation space. The operating element 160 can be fixed within the installation space. Furthermore, the rotating shaft 170 prevents the operating element 160 from being obstructed and also prevents the rotating shaft 170 from interfering with the setting of the operating element 160, improving the operational stability of the operating element 160.

[0031] In one implementation, please continue reading Figure 3 The operating component 160 may include a negative pressure suction valve 161, which is installed within the installation space. A connecting pipe 1611 communicating with the negative pressure suction valve 161 extends through the installation space to the installation interface 111. The negative pressure suction valve 161 is fixed within the installation space. Furthermore, the negative pressure suction valve 161 is arranged on the axis of the installation interface 111, ensuring that the connecting pipe 1611 extends from the negative pressure suction valve 161 along the installation space to the installation interface 111, thus reducing the amount of bending in the connecting pipe 1611. This reduces the redundant length of the pipeline and avoids increased fluid resistance caused by bending or misalignment of the connecting pipe 1611. In addition, the closed structure of the installation space protects the connecting pipe 1611, improving its protective capability and preventing pipeline damage caused by external pulling or squeezing, ensuring the stability and reliability of the negative pressure suction function. The connecting pipe 1611 can also be fixed by a guide structure within the installation space.

[0032] In another implementation, please refer to [link / reference needed]. Figure 3 The operating component 160 may include a circuit board 162, whose cables extend through the mounting space to the mounting interface 111. The cables can be used for power supply or signal transmission, and the number of cables can be one or more bundles, without limitation. The circuit board 162 is disposed within the mounting space, or it can be arranged on the axis of the mounting interface 111 to shorten the transmission distance of the cables to the mounting interface 111. After exiting the interface of the circuit board 162, the cables extend along the mounting space. This avoids disorderly tangling or shaking of the cables within the mounting space, while reducing frictional loss between the cables and mechanical parts, and improving the reliability of the electrical connection.

[0033] In another embodiment, the operating element 160 may include a negative pressure suction valve 161 and a circuit board 162. Both the negative pressure suction valve 161 and the circuit board 162 can be installed within the installation space, and the cable and the connecting pipe 1611 can both extend through the installation space to the installation interface 111 simultaneously. Furthermore, the circuit board 162 can be located on the side of the negative pressure suction valve 161 near the installation interface 111, and the connecting pipe 1611 can be located on the side of the cable near the axis of the installation interface 111. This allows the connecting pipe 1611 to be in a region closer to the axis of the installation interface 111, which can eliminate interference from the sidewalls on the connecting pipe 1611, ensure that the connecting pipe 1611 extends straight, and reduce fluid resistance caused by bends.

[0034] In some other cases, the first traction wheel 140 and the second traction wheel 150 are independently configured, allowing medical personnel to control either the first traction wheel 140 or the second traction wheel 150 separately. For example, medical personnel can drive the first traction wheel 140 and the second traction wheel 150 respectively using two levers, which will not be elaborated upon here.

[0035] In the embodiments of this application, please refer to Figure 5The distal ends of the first traction rope 120 and the second traction rope 130 extend to the insertion part 200 through the through hole of the mounting interface 111. The first traction wheel 140 is connected to the proximal end of the first traction rope 120, and the second traction wheel 150 is connected to the proximal end of the second traction rope 130. The connecting pipe 1611 and the circuit board 162 are disposed between the first traction rope 120 and the second traction rope 130. The distal ends of the first traction rope 120 and the second traction rope 130 extend to the insertion part 200 through the mounting interface 111, forming opposing traction paths to eliminate force deviation. The connecting pipe 1611 and the circuit board 162 are disposed in the area between the first traction rope 120 and the second traction rope 130 to prevent the traction ropes from contacting or tangling with the connecting pipe 1611 and the circuit board 162 during operation. This side-by-side arrangement allows the traction ropes to extend to the left and right sides of the axis of the insertion part 200, while the connecting pipe 1611 and the circuit board 162 are centrally arranged along the axial direction, effectively avoiding installation interference between different components.

[0036] In the embodiments of this application, please refer to Figure 5 as well as Figure 6 The operating handle 100 may further include a fixing member 112, which is installed inside the housing 110. In one embodiment, the fixing member 112 is fixed to the inner wall of the housing 110 by means of screws, clips, etc. Of course, the fixing member 112 can be integrally formed with the housing 110 to improve structural stability, which will not be elaborated here. The fixing member 112 may include a first channel 1121 and a second channel 1122 spaced apart. The first channel 1121 passes through and guides the first traction rope 120, and the second channel 1122 passes through and guides the second traction rope 130. The arrangement direction of the first channel 1121 and the second channel 1122 intersects or is perpendicular to the central axis of the operating handle 100. After the first traction rope 120 and the second traction rope 130 extend into the housing 110 from the insertion part 200, the first traction rope 120 and the second traction rope 130 pass through the first channel 1121 and the second channel 1122, respectively, and the first traction rope 120 and the second traction rope 130 are movably arranged relative to the fixing member 112. The first channel 1121 and the second channel 1122 respectively guide the first traction rope 120 and the second traction rope 130, so that the first traction rope 120 and the second traction rope 130 are relatively separated, avoiding entanglement and ensuring that the axis of the mounting interface 111 is unobstructed to facilitate the installation of the operating component 160. Furthermore, during the driving process of the first traction wheel 140 or the second traction wheel 150, the fixing component 112 can reduce the friction between the first traction rope 120 and the second traction rope 130 and the mounting interface 111.

[0037] Please see Figure 6The first channel 1121 and the second channel 1122 are respectively located on both sides of the axis of the mounting interface 111. The fixing member 112 is also provided with a mounting groove 1123, which is located between the first channel 1121 and the second channel 1122. The mounting groove 1123 is used to install the connecting pipe 1611. This arrangement allows the mounting groove 1123 to be approximately located at the axis of the mounting interface 111. Furthermore, the axis of the mounting groove 1123 is parallel to or coincides with the axis of the mounting interface 111. After the connecting pipe 1611 is inserted into the mounting groove 1123, the connecting pipe 1611 is fixed by protrusions, grooves, or fasteners on the inner wall of the mounting groove 1123, ensuring that the connecting pipe can extend along the axis of the mounting interface 111. This can reduce the resistance loss caused by bending of the connecting pipe 1611. At the same time, the supporting connecting pipe 1611 of the mounting groove 1123 can prevent the connecting pipe 1611 from being displaced or deformed due to external forces, effectively preventing the connecting pipe 1611 from becoming loose or broken, and ensuring the sealing and stability of the connecting pipe 1611.

[0038] In one implementation, please refer to Figure 5 The first traction wheel 140 and the second traction wheel 150 are both located within the housing 110. The housing 110 enhances the protection of the first traction wheel 140 and the second traction wheel 150, preventing wear or corrosion from dust, liquids, or mechanical impurities, thus extending their service life. Furthermore, while the first traction wheel 140 and the second traction wheel 150 are located on the axis of the mounting interface 111, they are positioned on opposite sides of the axis of the housing 110. This symmetrical arrangement ensures that the radial forces generated by the traction wheels under the tension of the traction rope cancel each other out, reducing the eccentric stress on the internal structure of the housing 110 and improving overall stress stability. For example, the symmetrical force distribution between the first traction wheel 140 and the second traction wheel 150 on both sides allows the walls of the housing 110 to uniformly bear the reaction force, preventing deformation or cracking of the housing 110 due to stress concentration on one side, and ensuring that the first traction wheel 140 and the second traction wheel 150 maintain reliable mechanical properties even under heavy load conditions.

[0039] Of course, in some other cases, the first traction wheel 140 or the second traction wheel 150 can also be installed outside the housing 110 to reduce the volume of the housing 110 and make the housing 110 easier to hold, which will not be elaborated here.

[0040] To achieve the above and other related objectives, this application provides an endoscope 1. Please refer to the previous section for further details. Figure 2The endoscope 1 includes the aforementioned operating handle 100 and insertion part 200, with the insertion part 200 connected to the mounting interface 111 of the operating handle 100. This gives the endoscope 1 the beneficial effects of any of the aforementioned solutions, which will not be elaborated further here. The endoscope 1 can be a bronchoscope, pyeloscope, esophagoscope, gastroscope, colonoscope, otoscope, rhinoscope, oral endoscope, laryngoscope, colposcope, laparoscope, arthroscope, etc. This application does not specifically limit the type of endoscope 1.

[0041] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0042] Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

[0043] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. An operating handle for an endoscope, characterized by, The operating handle includes a housing, a first traction rope, a second traction rope, a first traction wheel, and a second traction wheel. The housing has an installation interface adapted to connect with the insertion part of the endoscope. The first traction wheel and the second traction wheel are arranged at intervals and are mounted on the housing. The center line connecting the first traction wheel and the second traction wheel intersects the axis of the installation interface. The first traction rope is used to drive the insertion part of the endoscope to rotate in a first direction, and the second traction rope is used to drive the insertion part of the endoscope to rotate in a second direction. The proximal end of the first traction rope is connected to the first traction wheel, and the proximal end of the second traction rope is connected to the second traction wheel. The first direction and the second direction are opposite or intersect.

2. The operating handle of claim 1, wherein The first traction wheel and the second traction wheel are symmetrically arranged with respect to the mirror plane, and the axis of the mounting interface is located in the mirror plane.

3. The operating handle of claim 1, wherein, The operating handle also includes an operating component, which is mounted on the housing and located in the gap between the first traction wheel and the second traction wheel.

4. The operating handle of claim 3, wherein, The operating handle also includes a rotating shaft, which connects the first traction wheel and the second traction wheel. The rotating shaft, the first traction wheel, and the second traction wheel form an installation space, and the operating component is located within the installation space.

5. The operating handle according to claim 4, characterized in that, The operating component includes a negative pressure suction valve, which is installed in the installation space, and a connecting pipe connected to the negative pressure suction valve extends through the installation space to the installation interface; And / or, the operating element includes a circuit board, the cables of which extend through the mounting space to the mounting interface.

6. The operating handle according to claim 5, characterized in that, The distal ends of the first traction rope and the second traction rope extend to the insertion part through the through hole of the mounting interface. The proximal end of the first traction wheel is connected to the first traction rope, and the proximal end of the second traction wheel is connected to the second traction rope. The connecting tube and the circuit board are disposed between the first traction rope and the second traction rope.

7. The operating handle according to claim 5, characterized in that, The operating handle also includes a fixing member installed inside the housing. The fixing member includes a first channel and a second channel spaced apart. The first channel passes through and guides the first traction rope, and the second channel passes through and guides the second traction rope. The arrangement direction of the first channel and the second channel intersects or is perpendicular to the central axis of the operating handle.

8. The operating handle according to claim 7, characterized in that, The first channel and the second channel are respectively located on both sides of the axis of the mounting interface. The fixing member is also provided with a mounting groove, which is located between the first channel and the second channel. The mounting groove is used to install the connecting pipe.

9. The operating handle according to any one of claims 1-8, characterized in that, Both the first traction wheel and the second traction wheel are located inside the housing.

10. An endoscope, characterized in that, It includes the operating handle and the insertion part as described in claim 9, wherein the insertion part is connected to the mounting interface of the operating handle.

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