A driving structure of a traction rope, an operating handle, and an endoscope

Abstract

The present invention discloses a driving structure, an operating handle and an endoscope of a traction rope, and relates to the technical field of medical devices. The driving structure includes a guide part and a traction wheel. The guide part is used to wind the traction rope, and the winding direction and the winding direction of the traction rope in the guide part are opposite. The traction wheel is rotatably arranged relative to the guide part. The traction wheel has a connecting part, and the connecting part is used to be connected to the proximal end of the traction rope. The connecting part can rotate at the same angle with the traction wheel. The connecting part rotates relative to the guide part, and the traction ropes located on both sides of the guide part are tightened or relaxed. When the traction wheel rotates to the same position, the tightening or relaxing distance of the traction rope as a whole is longer. The insertion part of the endoscope rotates to the same position. Compared with the prior art, this setting can reduce the amplitude of the medical staff toggling the adjustment control. The small toggling amplitude is more suitable for the medical staff to operate for a long time, reducing the discomfort caused by the medical staff operating the operating handle, and improving the use effect and application prospects of the endoscope.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a driving structure of a traction rope, an operating handle and an endoscope. Background Art

[0002] When diagnosing and treating lesions in the patient's body, an endoscope is usually required. The endoscope includes an operating handle and an insertion part. During specific operation, by controlling the operating handle, the active bending section at the front end of the insertion part can be pulled by a traction rope to achieve bending action, thereby changing the direction of the front end of the insertion part.

[0003] In the related art, a traction wheel is provided in the operating handle. Medical staff use the adjustment control of the operating handle to drive the traction wheel, and the traction wheel drives the insertion part through the traction rope to achieve bending action. When diagnosing and treating lesions in the patient's body, medical staff need to turn the adjustment control in a large range so that the insertion part can be rotated to the required position. Multiple continuous turning will cause finger fatigue of medical staff, which is not conducive to long-term continuous medical diagnosis and treatment, and affects the use effect and application prospects of the endoscope. Summary of the invention

[0004] In view of the shortcomings of the related technologies mentioned above, the present application provides a driving structure of a traction rope, an operating handle and an endoscope to solve the above technical problems.

[0005] The present application provides a driving structure of a traction rope, comprising a guide portion and a traction wheel, wherein the guide portion is used to wind the traction rope, and the winding direction and the winding direction of the traction rope in the guide portion are opposite, and the traction wheel is rotatably arranged relative to the guide portion, and the traction wheel has a connecting portion, and the connecting portion is used to be connected to the proximal end of the traction rope, wherein when the traction wheel rotates, the connecting portion and the guide portion move away from or approach each other.

[0006] In one embodiment, the angle between the extension direction and the winding direction of the distal end of the traction rope is less than 90 degrees.

[0007] In one embodiment, the connecting portion is provided with a connecting hole, and the connecting hole is used for passing and connecting the traction rope.

[0008] In one embodiment, the traction wheel also includes a reversing portion, the reversing portion and the connecting portion are spaced apart, the guide portion is slidably arranged relative to the reversing portion, the reversing portion is used to wind the traction rope wound out of the guide portion, and the angle between the extension direction of the far end of the traction rope and the winding direction is greater than or equal to 90 degrees.

[0009] In one embodiment, the reversing portion is arranged around the connecting portion to form a rotary groove, the rotary groove extends around the rotating shaft of the traction wheel, the rotary groove has a first end and a second end far away from each other, the connecting portion is located between the first end and the second end, the guide portion is slidably fitted in the rotary groove, and slides toward the first end or the second end.

[0010] In one embodiment, the connecting portion is disposed on a groove wall forming the rotary groove, and during the rotation of the traction wheel, the guiding portion abuts against the groove wall where the connecting portion is located, and slides along the groove wall toward the first end or the second end.

[0011] In one embodiment, the outer diameter of the guide portion is less than or equal to the width of the spiral groove, and the guide portion and / or the groove wall forming the spiral groove are provided with a groove, and the groove is used to accommodate the traction rope.

[0012] In one embodiment, the reversing portion has a reversing end, the reversing end is located at the first end, and a reversing wheel is provided at the reversing end, and the reversing wheel is used to wind the traction rope wound out of the guide portion.

[0013] In one embodiment, the distance between the connecting portion and the second end is less than or equal to the distance between the connecting portion and the first end.

[0014] In one embodiment, the driving structure is further provided with a limiting portion, which is located in the movable path of the traction wheel and is used to limit the rotation angle of the traction wheel.

[0015] In one embodiment, the guide portion includes a first sub-guide portion and a second sub-guide portion, the connecting portion is used to connect to the proximal ends of the first traction rope and the second traction rope, the first sub-guide portion is used to wind the first traction rope, and the second sub-guide portion is used to wind the second traction rope.

[0016] In order to achieve the above-mentioned purpose and other related purposes, the present application provides an operating handle, including the aforementioned driving structure and an adjustment control unit, wherein the adjustment control unit is connected to the traction wheel.

[0017] To achieve the above-mentioned purpose and other related purposes, the present application provides an endoscope, including the operating handle as mentioned above.

[0018] The technical solution adopted by the present invention can achieve the following beneficial effects: the connecting part is connected to the proximal end of the traction rope, and the guide part is wound around the traction rope. The connecting part can rotate at the same angle with the traction wheel, and the connecting part rotates relative to the guide part, and the traction ropes on both sides of the guide part are tightened or relaxed. When the traction wheel rotates to the same position, the overall tightening or relaxing distance of the traction rope is longer. The insertion part of the endoscope rotates to the same position. Compared with the prior art, this setting can reduce the amplitude of the medical staff toggling the adjustment control. The small toggling amplitude is more suitable for the medical staff to operate for a long time, reduce the discomfort caused by the medical staff operating the operating handle, and improve the use effect and application prospect of the endoscope. In addition, the fixed end of the traction rope is stable and does not rotate relative to the shell of the operating handle, so the traction rope can rotate more stably and is not easy to shake due to external force or load changes. During this period, one end of the traction rope is connected to the rotatable connecting part. The configuration is more flexible and can adapt to more complex lifting and moving needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 is a schematic structural diagram of a driving structure shown in an exemplary embodiment of the present application;

[0021] Figure 2 is a schematic structural diagram of another driving structure shown in an exemplary embodiment of the present application;

[0022] Figure 3 is a schematic structural diagram of the driving structure from another perspective shown in an exemplary embodiment of the present application;

[0023] Figure 4 is along Figure 3 a cross-sectional view taken along line A-A in

[0024] Figure 5 is a schematic structural diagram of yet another driving structure shown in an exemplary embodiment of the present application;

[0025] Figure 6 is a schematic structural diagram of yet another driving structure shown in an exemplary embodiment of the present application;

[0026] Figure 7 is a schematic structural diagram of an endoscope shown in an exemplary embodiment of the present application.

[0027] In the figure: 1. Endoscope; 100. Driving structure; 110. Guiding part; 120. Traction wheel; 121. Connecting part; 122. Reversing part; 123. Spiral groove; 1231. First end; 1232. Second end; 124. Reversing end; 125. Reversing wheel; 126. Limiting part; 127. Groove; 128. Through hole; 131. First sub-guiding part; 132. Second sub-guiding part; 133. First sub-reversing part; 134. Second sub-reversing part; 200. Operating handle; 300. Regulating part. Detailed implementation manners

[0028] To make the purpose, technical solutions and advantages of the present invention clearer, the following will describe the technical solutions of the present invention in detail. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other implementation manners obtained by those of ordinary skill in the art without creative efforts fall within the scope protected by the present invention.

[0029] The terms "first", "second", etc. in the description and claims of this application are used to distinguish similar objects, rather than to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of this application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of the same type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / ", generally represents an "or" relationship between the associated objects before and after.

[0030] In the embodiments of this application, "proximal end" and "distal end" refer to the relative distances of each component from the user in the usage environment. Among them, the end closer to the user is designated as the "proximal end", and the end farther from the user is designated as the "distal end".

[0031] When diagnosing and treating a lesion in a patient's body, an endoscope is usually required. The endoscope includes an operation handle and an insertion part. During specific operations, by controlling the operation handle, the insertion part at the front end of the insertion part can be pulled via a traction rope to achieve a bending action, thereby changing the orientation of the front end of the insertion part.

[0032] In the related art, a traction wheel is provided in the operation handle, and medical staff use the control member of the operation handle to drive the traction wheel, and the traction wheel drives the insertion part via a traction rope to achieve a bending action. When medical staff hold the endoscope by hand, it is difficult to greatly move the control member, resulting in a greatly limited bending range of the insertion part, thereby affecting the use effect and application prospect of the endoscope.

[0033] This embodiment provides a driving structure 100 for a traction rope. Please refer to Figure 1 , the following content is referred to as the driving structure 100. The driving structure 100 may include a guiding part 110 and a traction wheel 120, and the traction wheel 120 is rotatably arranged relative to the guiding part 110.

[0034] Please continue to refer to Figure 1The guide portion 110 can be formed on the shell or other structures of the operating portion handle, and the connecting portion can be a columnar structure or a sheet structure, etc. The present embodiment does not limit the specific position and shape of the guide portion 110. The guide portion 110 is used to wind the traction rope, and the winding direction and the winding direction of the traction rope in the guide portion 110 are opposite. The traction rope can rotate around at least part of the guide portion 110, that is, the traction rope can rotate around the guide portion 110 at a certain angle. Among them, the winding direction is the extension direction of the traction rope when it is wound into the guide portion 110, and the winding direction is the extension direction of the traction rope when it is wound out of the guide portion 110. It can be understood that the winding direction and the winding direction are not anti-parallel, and there can be a certain angle between the two. This setting can enable the guide portion 110 to change the extension direction of the traction rope, and the winding direction and the winding direction can be adjusted according to actual needs to adapt to different usage requirements and operating environments.

[0035] Please continue reading Figure 1 The traction wheel 120 can be a wheel-shaped structure, etc., which is not limited in this embodiment. The traction wheel 120 has a rotating shaft, which can be installed on the housing of the operating part handle, and the rotating shaft can be rotatably arranged relative to the housing to realize the traction wheel 120 being rotatably arranged relative to the guide part 110. The traction wheel 120 has a connecting part 121, which is used to be connected to the proximal end of the traction rope, and the connecting part 121 can rotate together with the traction wheel 120.

[0036] Please continue reading Figure 1 When the traction wheel 120 rotates, the connecting portion 121 and the guiding portion 110 move away from or approach each other. Exemplarily, the guiding portion 110 may be located on one side of the traction wheel 120, and the connecting portion 121 may be located on one side of the traction wheel 120. During the rotation of the traction wheel 120, the guiding portion 110 and the connecting portion 121 move away from or approach each other. During this period, the connecting portion 121 may rotate at the same angle together with the traction wheel 120, and the traction ropes located on both sides of the guiding portion 110 are tightened or loosened, and the tightening or loosening distance of the traction rope as a whole increases. The insertion portion of the endoscope rotates to the same position. Compared with the prior art, this setting can reduce the amplitude of the medical staff toggling the adjustment control. The small amplitude is more suitable for medical staff to operate for a long time, reducing the discomfort caused by the medical staff operating the operating handle, and improving the use effect and application prospects of the endoscope.

[0037] Furthermore, one end of the traction rope is connected to the rotatable connection part 121. This configuration has higher flexibility and can adapt to more complex lifting and moving requirements.

[0038] In one embodiment, please refer to Figure 1, the angle between the extending direction and the unwinding direction of the distal end of the traction rope is less than 90 degrees. In other words, the distal end of the traction rope extends substantially along its unwinding direction, making the extending direction of the traction rope smoother, and enabling the traction rope to maintain higher efficiency and stability when transmitting force. Also, this setting can reduce the number of other components, etc., as well as the contact area between the traction rope and other components, reducing the additional friction and energy loss caused by sudden changes in direction. This setting allows the traction rope to more effectively convert the external force into a bending moment on the active bending section, thereby achieving a more precise and controllable bending effect.

[0039] Also, the connecting portion 121 is provided with a connecting hole, and the shape and size of the connecting hole are generally determined according to the diameter and shape of the proximal end of the traction rope. The connecting hole is used to pass through and connect the traction rope, and the traction rope can be in interference fit with the connecting hole so that stable transmission can be achieved between the two. Also, the connecting hole can penetrate the connecting portion 121 or not penetrate the connecting portion 121, and no specific limitation is made here.

[0040] In some other cases, the hole wall forming the connecting hole and the traction rope can be adhesively bonded, connected by fasteners, etc., and this embodiment does not limit.

[0041] In another embodiment, please refer to Figure 2 , the traction wheel 120 may further include a reversing portion 122, and the reversing portion 122 and the connecting portion 121 are arranged at intervals. The guiding portion 110 is slidably arranged relative to the reversing portion 122, and the reversing portion 122 is used to wind the traction rope unwound from the guiding portion 110 and make the angle between the extending direction and the unwinding direction of the distal end of the traction rope greater than or equal to 90 degrees. The reversing portion 122 can ensure that the winding direction and the unwinding direction of the traction rope are opposite. The reversing portion 122 can not only smoothly receive the traction rope unwound from the guiding portion 110, but also realize the reasonable distribution of the proximal end and the distal end of the traction rope on both sides of the traction wheel 120. Furthermore, the reversing portion 122 can enable the distal end of the traction rope to extend within a wider angle, thereby improving the implementation effect of the driving structure 100 and facilitating the routing of the operating handle 200. This setting not only ensures the continuity and stability of the traction rope during the winding process, but also effectively avoids the problem of tension imbalance caused by uneven distribution of the traction rope.

[0042] In one embodiment, please continue to refer to Figure 2, the reversing portion 122 is arranged around the connecting portion 121 to form a rotary groove 123, and the rotary groove 123 can be an arc-shaped groove, etc., which is not limited in this embodiment. The rotary groove 123 extends around the rotating shaft of the traction wheel 120, and the rotary groove 123 has a first end 1231 and a second end 1232 that are far away from each other. The connecting portion 121 is located between the first end 1231 and the second end 1232. The guide portion 110 is slidably fitted in the rotary groove 123 and slides toward the first end 1231 or the second end 1232. In the initial state, the guide portion 110 is located between the first end 1231 and the second end 1232. As the traction wheel 120 rotates, the guide portion 110 will move toward the first end 1231 or the second end 1232 of the rotary groove 123 according to the dialing direction of the medical staff.

[0043] For further information, please refer to Figure 2 , the guide part 110 rotates toward the second end 1232 of the rotary groove 123, and the distance between the guide part 110 and the connecting part 121 becomes larger and larger, so that the traction rope is gradually tightened. The guide part 110 rotates toward the first end 1231 of the rotary groove 123, and the distance between the guide part 110 and the connecting part 121 becomes smaller and smaller, so that the traction rope is gradually loosened. The tension and relaxation of the traction rope are adjusted by this setting, and the setting of the rotary groove 123 can also limit the rotational cooperation between the traction wheel 120 and the guide part 110, so as to ensure the relative range of movement between the traction wheel 120 and the guide part 110, and improve the driving effect of the driving mechanism on the traction rope.

[0044] Furthermore, the guide portion 110 is rotatably arranged along the rotation groove 123 , which can make the moving path between the guide portion 110 and the connecting portion 121 clearer, avoid the instability of the rotation of the two, and improve the relative rotation effect of the guide portion 110 .

[0045] It is understandable that during the rotation of the traction wheel 120, the guide portion 110 and the connecting portion 121 approach or move away from each other. At the same time, the reversing portion 122 around which the traction rope is wound will also approach or move away from the guide portion 110, and the reversing portion 122 can tighten or loosen the traction rope, and the reversing portion 122 can further increase the telescopic range of the traction rope. The larger telescopic stroke of the traction rope can also improve the operating effect of the operating handle on the traction rope, that is, drive the insertion portion to rotate to the same angle, and the toggle amplitude of the operating handle can be further reduced compared with the prior art, thereby increasing the use range of the endoscope.

[0046] In one embodiment, the connecting portion 121 is disposed on the groove wall forming the spiral groove 123. During the rotation of the traction wheel 120, the guiding portion 110 abuts against the groove wall where the connecting portion 121 is located and slides along the groove wall toward the first end 1231 or the second end 1232. This setting can ensure that the connecting portion 121 always abuts against the groove wall during the sliding process, and there is no relative displacement of the connecting portion 121 in the radial direction of the traction wheel 120, and it only displaces along the circumferential direction of the traction wheel 120.

[0047] In one embodiment, please refer to Figure 3 , the outer diameter of the guiding portion 110 is less than or equal to the width of the spiral groove 123. This setting ensures that the guiding portion 110 can rotate smoothly within the spiral groove 123, reduces the friction generated between the guiding portion 110 and the groove wall, and increases the service life of the driving structure 100. The guiding portion 110 and / or the groove wall forming the spiral groove 123 are provided with grooves 127 for accommodating the traction rope. The grooves 127 not only ensure the stability of the traction rope during rotation but also greatly reduce the friction between the traction rope and the guiding portion 110 and / or the groove wall. This setting not only extends the service life of the traction rope but also enables the guiding portion 110 to rotate more smoothly within the spiral groove 123.

[0048] In one embodiment, please refer to Figure 4 , the reversing portion 122 has a reversing end 124, the reversing end 124 is located at the first end 1231, and a reversing wheel 125 is provided at the reversing end 124. Further, the reversing wheel 125 is rotatably disposed at the reversing end 124, and the reversing wheel 125 is used for winding the traction rope wound out by the guiding portion 110. When the traction rope is wound around the reversing wheel 125, as the reversing wheel 125 rotates, the traction rope can move smoothly, effectively reducing the sliding friction between the two. This design not only protects the traction rope from being damaged due to friction but also improves the transmission efficiency of the traction rope.

[0049] Preferably, the distance between the guiding portion 110 and the second end 1232 is less than or equal to the distance between the guiding portion 110 and the first end 1231. In other words, the tensioning distance of the traction rope is less than the relaxation distance of the traction rope, and the second end 1232 can play a certain limiting role, and this setting can prevent the traction rope from being overly tensioned. The reversing end 124 for the traction rope to change direction is located at the first end 1231. When the number of guiding portions 110 is two, one guiding portion 110 can limit the relative rotation range between the other guiding portion 110 and the traction wheel 120 to prevent it from rotating excessively.

[0050] To protect the insertion portion and prevent the insertion portion from being overly bent. In this embodiment, please refer to Figure 2, the driving structure 100 is further provided with a limiting portion 126. The limiting portion 126 is located in the moving path of the traction wheel 120, and the limiting portion 126 is used to limit the rotation angle of the traction wheel 120. Exemplarily, the limiting portion 126 can be arranged in the moving path of the reversing portion 122. When the traction wheel 120 rotates relative to the guiding portion 110 to a certain position, the limiting portion 126 abuts against the reversing portion 122, thereby limiting the rotation angle of the traction wheel 120. This setting can prevent the traction wheel 120 from rotating excessively and ensure that the insertion portion can work properly.

[0051] To enable the insertion portion to be bent in at least two directions, the endoscope uses at least two traction ropes for driving, that is, one traction rope pulls one side of the insertion portion, and the other traction rope pulls the other side of the insertion portion. In this embodiment, please refer to Figure 5 , the guiding portion 110 can include a first sub-guiding portion 131 and a second sub-guiding portion 132, and the structures of the first sub-guiding portion 131 and the second sub-guiding portion 132 can be the same. The first sub-guiding portion 131 and the second sub-guiding portion 132 are rotatably arranged relative to the connecting portion. The connecting portion is used to connect to the proximal ends of the first traction rope and the second traction rope. The first sub-guiding portion 131 is used to wind the first traction rope, and the second sub-guiding portion 132 is used to wind the second traction rope.

[0052] The first sub-guiding portion 131 and the second sub-guiding portion 132 form a double-guiding structure, and the two are rotatably arranged relative to the connecting portion. When the first traction rope is pulled, it winds along the first sub-guiding portion 131, and transmits the pulling force to one side of the insertion portion through this winding method, causing it to bend. Similarly, when the second traction rope is pulled, it winds along the second sub-guiding portion 132 and transmits the pulling force to the other side of the insertion portion, realizing bending in another direction. This setting not only improves the flexibility and accuracy of the insertion portion of the endoscope, but also ensures the stability and reliability of the traction rope during the winding process. It enables the endoscope to better adapt to various complex examination and treatment environments and provides a more convenient and efficient tool for medical staff.

[0053] Among them, both the first traction rope and the second traction rope can be multiple, so as to strengthen the overall strength of the traction rope to prevent the traction rope from being pulled and broken after long-term use.

[0054] Please refer to Figure 5 and Figure 6, when the traction wheel 120 rotates in the first direction, the first sub-guiding portion 131 and the connecting portion 121 approach each other, and the second sub-guiding portion 132 and the connecting portion 121 move away from each other. When the traction wheel 120 rotates in the second direction, the first sub-guiding portion 131 and the connecting portion 121 move away from each other, and the second sub-guiding portion 132 and the connecting portion 121 approach each other. Wherein, the first direction and the second direction are opposite to each other. Moreover, the through hole 128 is formed between the first sub-guiding portion 131 and the second sub-guiding portion 132. This setting can complete the driving of two traction ropes through one traction wheel 120 to control the insertion portion to be bent in at least two directions.

[0055] It can be understood that the first sub-guiding portion 131 and the second sub-guiding portion 132 can be rotatably arranged relative to the traction wheel 120, and / or both the first sub-guiding portion 131 and the second sub-guiding portion 132 have accommodation grooves. The related settings of the guiding portion 110 described above can be arranged in the first sub-guiding portion 131 and the second sub-guiding portion 132 to improve the driving effect of the traction wheel 120.

[0056] In one embodiment, please continue to refer to Figure 6 , the commutation portion 122 can also have a first sub-commutation portion 133 and a second sub-commutation portion 134. The first sub-commutation portion 133 is correspondingly arranged with the first sub-guiding portion 131. The first sub-commutation portion 133 is used to wind the first traction rope wound out by the first sub-guiding portion 131 and make the proximal end and the distal end of the first traction rope be located on both sides of the first sub-guiding portion 131. The second sub-commutation portion 134 is correspondingly arranged with the second sub-guiding portion 132. The second sub-commutation portion 134 is used to wind the second traction rope wound out by the second sub-guiding portion 132 and make the proximal end and the distal end of the second traction rope be located on both sides of the second sub-guiding portion 132.

[0057] To achieve the above and other related purposes, please refer to Figure 7 , the present application provides an operating handle 200. The operating handle 200 can be a regulating member 300 and the driving structure 100 of the traction rope mentioned in any of the above solutions. In this way, the operating handle 200 has the beneficial effects of any of the above solutions, which will not be elaborated here. Specifically, the regulating member 300 is connected to the traction wheel 120. The regulating member 300 can be a regulating member or a device such as a motor. Medical staff can operate the regulating member 300, and the regulating member 300 is used to drive the traction wheel 120 to rotate so that the connecting portion 121 and the guiding portion 110 move away from or close to each other.

[0058] To achieve the above and other related purposes, the present application provides an endoscope 1. Please continue to refer to Figure 7The endoscope 1 includes the aforementioned operating handle 200, so that the endoscope 1 has the beneficial effects of any of the aforementioned solutions, which will not be repeated here. The endoscope 1 of the embodiment of the present application can be a nephroscope, a bronchoscope, an esophagoscope, a gastroscope, a colonoscope, an otoscope, a rhinoscope, a stomatoscope, a laryngoscope, a colposcope, a laparoscope, an arthroscope, etc.

[0059] The technical solution adopted by the present invention can achieve the following beneficial effects: the connecting part 121 is connected to the proximal end of the traction rope, and the guide part 110 is wound around the traction rope. The connecting part 121 can rotate at the same angle with the traction wheel 120, and the connecting part 121 rotates relative to the guide part 110, and the traction ropes on both sides of the guide part 110 are tightened or relaxed. The traction wheel 120 rotates to the same position, and the overall tightening or relaxing distance of the traction rope is longer. The insertion part of the endoscope rotates to the same position. Compared with the prior art, this setting can reduce the amplitude of the medical staff toggling the adjustment control. The small toggling amplitude is more suitable for the medical staff to operate for a long time, reduce the discomfort caused by the medical staff operating the operating handle 200, and improve the use effect and application prospect of the endoscope. In addition, the fixed end of the traction rope is stable and does not rotate relative to the shell of the operating handle 200, and the traction rope can rotate more stably and is not easy to shake due to changes in external force or load. During this period, one end of the traction rope is connected to the rotatable connecting part 121. The configuration is more flexible and can adapt to more complex lifting and moving requirements.

[0060] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0061] In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in a reverse order according to the functions involved. For example, the described methods may be performed in an order different from that 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.

[0062] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A driving structure of a traction rope, characterized in that: include: A guide portion, the guide portion is used to wind the traction rope, and the winding direction of the traction rope in the guide portion is opposite to the winding direction of the traction rope; as well as A traction wheel, wherein the traction wheel is rotatably arranged relative to the guide part, the traction wheel has a connecting part and a reversing part, the connecting part is used to be connected to the proximal end of the traction rope, the reversing part and the connecting part are spaced apart, the guide part is slidably arranged relative to the reversing part, the reversing part is used to wind the traction rope wound by the guide part, and the angle between the extension direction of the distal end of the traction rope and the winding direction is greater than or equal to 90 degrees, the reversing part is surrounded by the connecting part to form a rotary groove, the rotary groove extends around the rotating shaft of the traction wheel, the rotary groove has a first end and a second end that are far away from each other, the connecting part is located between the first end and the second end, the guide part is slidably fitted in the rotary groove, and slides toward the first end or the second end; Wherein, when the traction wheel rotates, the connecting portion and the guiding portion move away from or approach each other, and at the same time, the reversing portion and the guiding portion move away from or approach each other.

2. The driving structure according to claim 1, characterized in that: The connecting portion is provided with a connecting hole, and the connecting hole is used to pass through and connect the traction rope.

3. The driving structure according to claim 1, characterized in that: The connecting portion is arranged on a groove wall forming the rotary groove, and during the rotation of the traction wheel, the guiding portion abuts against the groove wall where the connecting portion is located, and slides along the groove wall toward the first end or the second end; And / or, the outer diameter of the guide portion is less than or equal to the width of the rotary groove, and the guide portion and / or the groove wall forming the rotary groove is provided with a groove, and the groove is used to accommodate the traction rope.

4. The driving structure according to claim 1, characterized in that: The reversing portion has a reversing end, the reversing end is located at the first end, the reversing end is provided with a reversing wheel, and the reversing wheel is used to wind the traction rope wound out of the guide portion; And / or, the distance between the connecting portion and the second end is less than or equal to the distance between the connecting portion and the first end.

5. The driving structure according to claim 1, characterized in that: The driving structure is further provided with a limiting portion, the limiting portion is located in the movable path of the traction wheel, and the limiting portion is used to limit the rotation angle of the traction wheel.

6. The driving structure according to any one of claims 1 to 5, characterized in that: The guide portion includes a first sub-guide portion and a second sub-guide portion, the connecting portion is used to be connected to the proximal ends of the first traction rope and the second traction rope, the first sub-guide portion is used to wind the first traction rope, and the second sub-guide portion is used to wind the second traction rope.

7. An operating handle, characterized in that: It comprises the driving structure and adjustment control unit as described in any one of claims 1 to 6, wherein the adjustment control unit is connected to the traction wheel.

8. An endoscope, characterized in that: Comprising the operating handle as claimed in claim 7.

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