A locking device for endoscope adjustment, an endoscope and a locking device

Abstract

The application provides a locking device for endoscope adjustment, which comprises a first rotating wheel, a first rotating shaft, a brake disc and a brake disc driving assembly. The first rotating wheel is connected to the first end of the first rotating shaft. The first rotating shaft is provided with a first traction disc at the position of the second end. The rotation of the first rotating shaft can be controlled through the first rotating wheel, and the first traction disc is driven to rotate. The rotation of the first traction disc adjusts the first traction wire, so as to adjust the observation angle of the endoscope in the first dimension. The brake disc is arranged on at least one side of the outer circumferential surface of the first rotating shaft. The tightness of the brake disc and the outer circumferential surface of the first rotating shaft or the first traction disc can be adjusted through the brake disc driving assembly, so as to provide the expected damping for the rotation of the first rotating shaft. The locking device for endoscope adjustment provided by the application can improve the angle flexibility and stability of the endoscope lens during operation.

Description

Technical Field

[0001] This application relates to the field of medical devices, and more particularly to a locking device for endoscope adjustment and a locking device. Background Technology

[0002] With the reform of the national medical system, the advancement of medical technology, and the popularization of advanced medical equipment, endoscopic equipment is being used more and more widely in routine medical surgeries.

[0003] Endoscopic devices, as commonly used medical instruments, mainly consist of a traction wire, a flexible part, a light source, and a lens. In practical applications, the endoscope's tip is inserted into the body through a minimally invasive incision. After adjusting the tip to a suitable position, the endoscope is usually fixed at a certain angle. To facilitate observation of lesions, a locking device is installed on the endoscope. This locking device at the rear of the endoscope allows for movement control of the flexible part, thereby adjusting the observation angle of the tip and directly visualizing lesions. The endoscope locking device, as a crucial component in actual surgical procedures, plays a vital role in achieving observation of lesions.

[0004] In existing endoscope locking devices, a locking handwheel is typically used to adjust the lens. However, this method suffers from problems such as insufficient stability, low positioning accuracy, and inflexible bending angles when manipulating the lens during operation. Therefore, providing a locking device for endoscope adjustment to improve the angular flexibility and stability of the endoscope lens during operation has become a technical problem that needs to be solved by those skilled in the art. Summary of the Invention

[0005] This invention provides a locking device for endoscope adjustment, addressing the problems of insufficient operational stability, low precision, and inflexible bending angles in existing endoscope locking devices. This invention also provides an endoscope using the above-described locking device, and a locking device itself.

[0006] A locking device for endoscope adjustment according to an embodiment of the present invention includes a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly; the first rotating wheel is connected to a first end of the first rotating shaft; a first traction disc is disposed at a second end of the first rotating shaft; the rotation of the first rotating shaft can be controlled by the first rotating wheel, which in turn drives the first traction disc to rotate, and the rotation of the first traction disc adjusts a first traction wire, thereby adjusting the observation angle of the endoscope in a first dimension; the brake disc is disposed on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc, and the brake disc drive assembly can adjust the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first traction disc, thereby providing desired damping for the rotation of the first rotating shaft.

[0007] In one embodiment of this application, the brake disc is an integral frame structure clamped on the circumferential surface of the first rotating shaft or the first traction disc. The frame structure has a brake disc opening that allows it to open vertically. The brake disc drive assembly has a fastener, which is at least disposed at one end of the brake disc opening. The fastener allows adjustment of the force applied to the brake disc, thereby changing the clamping force applied by the brake disc to the first rotating shaft or the first traction disc. This achieves the effect of adjusting the tightness of the fit between the brake disc and the outer circumferential surface of the first rotating shaft or the first traction disc, and provides the desired damping for the rotation of the first rotating shaft.

[0008] In one embodiment of this application, a boss is provided at the root position of the brake disc opposite to the opening of the brake disc, and the brake disc is fixed to the body of the locking device through the boss.

[0009] In one embodiment of this application, a gap is provided at the root position of the brake disc to increase the elastic deformation space of the brake disc.

[0010] In one embodiment of this application, the boss is disposed between the first clamping post and the second clamping post on the body, thereby fixing the brake disc to the body of the locking device.

[0011] In one embodiment of this application, the fastener includes: a stud, and an upper nut and a lower nut that cooperate with the stud. The upper nut is disposed at the upper port of the brake disc opening, and the lower nut is disposed at the lower port of the brake disc opening. The upper nut and the first segment of the stud form a first threaded pair, and the lower nut and the second segment of the stud form a second threaded pair. The first threaded pair and the second threaded pair have opposite thread directions. By rotating the stud, the force applied to the brake disc is adjusted.

[0012] In one embodiment of this application, the fastener includes a stud, and the opening of the frame structure is provided with an internal thread that works in conjunction with the stud; wherein, the upper end of the opening cooperates with the first section of the stud to form a third threaded pair, and the lower end of the opening cooperates with the second section of the stud to form a fourth threaded pair, the third threaded pair and the fourth threaded pair having opposite thread directions; rotating the stud realizes the adjustment of the force applied to the brake disc.

[0013] In one embodiment of this application, the stud is provided with a gripping part extending out of the housing of the machine body; the gripping part is used by the operator of the locking device to rotate the stud.

[0014] In one embodiment of this application, the stud is provided with an end face that abuts against the outer surface of the housing of the machine body.

[0015] In one embodiment of this application, the locking device further includes: a second rotating wheel and a second rotating shaft; the second rotating wheel is connected to a first end of the second rotating shaft, and the first rotating shaft and the second rotating shaft are coaxial, with the second rotating shaft sleeved on the outer circumferential surface of the first rotating shaft; a second traction disc is provided at a second end of the second rotating shaft; the rotation of the second rotating shaft can be controlled by the second rotating wheel, which in turn drives the second traction disc to rotate, and the rotation of the second traction disc adjusts the second traction wire, thereby adjusting the observation angle of the endoscope in a second dimension; the second dimension is in a different directional dimension from the first dimension; the brake disc is also clamped on the circumferential surface of the second rotating shaft or the second traction disc; when the brake disc applies a clamping force to the first rotating shaft and the first traction disc, it also applies a corresponding clamping force to the second rotating shaft and the second traction disc; thereby providing the necessary damping for the rotation of the second rotating shaft.

[0016] In one embodiment of this application, the brake disc is disposed on one side of the outer peripheral surface of the first rotating shaft. The tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft can be adjusted by the brake disc drive assembly, thereby providing the desired damping for the rotation of the first rotating shaft.

[0017] In one embodiment of this application, the locking device for adjusting the endoscope further includes a second rotating wheel and a second rotating shaft; the second rotating wheel is connected to a first end of the second rotating shaft, and the second rotating shaft and the first rotating shaft are coaxial; a second traction disc is provided at a second end of the second rotating shaft, and the brake disc is located on at least one side of the outer peripheral surface of the second rotating shaft; while adjusting the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft, the tightness of the fit between the brake disc and the outer peripheral surface of the second rotating shaft is also adjusted synchronously, thereby providing the desired damping for the rotation of the second rotating shaft; the rotation of the second traction disc is used to adjust the second traction wire of the endoscope, thereby adjusting the observation angle of the endoscope in a second dimension, which is in a different directional dimension from the first dimension.

[0018] In one embodiment of this application, an O-ring is fitted at the contact point between the outer peripheral surface of the first rotating shaft and / or the outer peripheral surface of the second rotating shaft and the brake disc.

[0019] In one embodiment of this application, the contact surface of the brake disc that contacts the outer peripheral surface of the first rotating shaft and / or the outer peripheral surface of the second rotating shaft is provided with surface texture to increase friction.

[0020] In one embodiment of this application, a positioning hole is provided at one end of the brake disc body, and the positioning hole is rotatably fitted onto the fixing post of the housing of the locking device; by adjusting the angle of the brake disc swinging around the fixing post, the tightness of the fit between the brake disc and the first rotating shaft and the second rotating shaft can be adjusted.

[0021] In one embodiment of this application, the brake disc body is provided with an arc-shaped through hole; the brake disc drive assembly includes a drive member, the body of which is coaxially arranged with the first rotating shaft, the drive member also has a cantilever connected to the drive member body and extending radially to one side, the cantilever is provided with a cantilever column extending axially, the cantilever column is inserted into the arc-shaped through hole provided on the brake disc; when the drive member rotates, the cantilever column slides in the arc-shaped through hole, thereby driving the brake disc to swing around the fixed column, thereby adjusting the angle of the brake disc swinging around the fixed column.

[0022] In one embodiment of this application, the brake disc drive assembly further includes a lever having a length significantly larger than the diameter of the drive body, one end of which is fixedly connected to the drive body, and the other end of which extends radially and provides an operating surface for easy toggle; by toggling the lever, the drive can be rotated.

[0023] In one embodiment of this application, an isolation plate is provided at the axial gap between the first traction disc and the second traction disc.

[0024] In one embodiment of this application, the brake disc and brake disc drive assembly are divided into two groups, which provide the damping to the first rotating shaft and the second rotating shaft, respectively.

[0025] This application embodiment also provides an endoscope, which includes a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly; the first rotating wheel is connected to a first end of the first rotating shaft; a first traction disc is disposed at a second end of the first rotating shaft; the rotation of the first rotating shaft can be controlled by the first rotating wheel, thereby driving the first traction disc to rotate; the brake disc is disposed on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc, and the brake disc drive assembly can adjust the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first traction disc, thereby providing desired damping for the rotation of the first rotating shaft; the rotation of the first traction disc is used to adjust the first traction wire, thereby adjusting the observation angle of the endoscope lens in the first dimension; through this adjustment and combined with the damping provided by the brake disc, the endoscope lens can be rotated to and remain at the required observation angle in the first dimension as needed.

[0026] This application embodiment also provides a locking device, which includes a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly; the first rotating wheel is connected to a first end of the first rotating shaft; a first functional disc is disposed at a second end of the first rotating shaft; the rotation of the first rotating shaft can be controlled by the first rotating wheel, and the first functional disc can be driven to rotate; the brake disc is disposed on at least one side of the outer peripheral surface of the first rotating shaft or the first functional disc, and the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first functional disc can be adjusted by the brake disc drive assembly, thereby providing the desired damping for the rotation of the first rotating shaft.

[0027] This invention provides a locking device for adjusting an endoscope, comprising a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly. The first rotating wheel is connected to a first end of the first rotating shaft. A first traction disc is disposed at a second end of the first rotating shaft. The rotation of the first rotating shaft can be controlled by the first rotating wheel, which in turn drives the first traction disc to rotate. The rotation of the first traction disc adjusts a first traction wire, thereby adjusting the observation angle of the endoscope in a first dimension. The brake disc is disposed on at least one side of the outer circumferential surface of the first rotating shaft. The brake disc drive assembly can adjust the tightness of the fit between the brake disc and the outer circumferential surface of the first rotating shaft or the first traction disc, thereby providing desired damping for the rotation of the first rotating shaft. Thus, when the locking device is in operation, the lens located at the distal curved part of the endoscope can be reliably fixed when rotated to the required angle by the traction of the first traction wire. Ultimately, this achieves flexibility and stability of the endoscope lens angle during endoscopic operation, improving surgical efficiency.

[0028] In one preferred embodiment of this application, the brake disc is an integral frame structure clamped to the circumferential surface of the first rotating shaft or the first traction disc. The frame structure has a brake disc opening that allows it to open vertically. The brake disc drive assembly has a fastener, which is at least located at one end of the brake disc opening. The fastener allows adjustment of the force applied to the brake disc, thereby changing the clamping force exerted by the brake disc on the first rotating shaft or the first traction disc. This achieves the effect of adjusting the tightness of the fit between the brake disc and the outer circumferential surface of the first rotating shaft or the first traction disc, thus providing the desired damping for the rotation of the first rotating shaft. In a further preferred embodiment, a threaded pair structure is used to implement the fastener. The above preferred embodiments enable continuous adjustment of the clamping degree and can reliably maintain it in any adjustment position, satisfying various desired levels of operational feel.

[0029] In a second preferred embodiment of this application, the brake disc is disposed on one side of the outer peripheral surface of the first rotating shaft. The tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft can be adjusted by the brake disc drive assembly, thereby providing the desired damping for the rotation of the first rotating shaft. This preferred embodiment is characterized by its simple structure and convenient operation. Attached Figure Description

[0030] The above and other objects, features, and advantages of embodiments of this application will become more readily understood through the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the application will be described by way of example and non-limitation, wherein:

[0031] Figure 1 A cross-sectional structural schematic diagram of a locking device for endoscope adjustment provided in the first embodiment of this application;

[0032] Figure 1A for Figure 1 A schematic diagram of the brake disc drive assembly of the locking device in the middle;

[0033] Figure 2 for Figure 1 A schematic diagram of the locking device from another perspective;

[0034] Figure 2A for Figure 2 A schematic diagram of the brake disc structure of the locking device in the middle;

[0035] Figure 3 for Figure 2 The left view corresponding to the locking device in the middle;

[0036] Figure 4 for Figure 2 Top view of the locking device in the middle;

[0037] Figure 5 for Figure 2 A schematic diagram of the first traction disc structure of the locking device in the middle;

[0038] Figure 6 for Figure 2 A schematic diagram of another connection method between the upper and lower brake discs of the locking device in the system;

[0039] Figure 7 for Figure 2 A schematic diagram showing the locking state of the locking device in the middle when it is locked;

[0040] Figure 8 A cross-sectional structural schematic diagram of a locking device for endoscope adjustment provided in the third embodiment;

[0041] Figure 9 for Figure 8 A schematic diagram of the locking device used for endoscope adjustment in the unlocked state;

[0042] Figure 10 for Figure 8 A schematic diagram of the locking device used for endoscope adjustment in the case of being locked.

[0043] Figure 11 for Figure 8 A schematic diagram of the brake disc structure in the locking device used for endoscope adjustment; wherein, the left side is a three-dimensional view of the overall structure of the brake disc, and the right side is a front view of one disc of the brake disc;

[0044] Figure 12 for Figure 8 A schematic diagram of the drive mechanism in the locking device used for endoscope adjustment;

[0045] Figure 13 for Figure 8 A schematic diagram of the first traction disc structure in the locking device for endoscope adjustment;

[0046] Figure 14 This is a schematic diagram of the overall structure of an endoscope provided for the fourth embodiment.

[0047] Figure label:

[0048] Reference numerals in the first embodiment:

[0049] 10-Locking device;

[0050] 100 - Rotary wheel assembly; 110 - First rotary wheel assembly; 111 - First rotary wheel; 113 - First shaft; 115 - First traction disc; 1151 - First traction disc groove; 1153 - First traction wire; 1155 - First traction hole; 1157 - First traction disc center hole; 130 - Second rotary wheel assembly; 131 - Second rotary wheel; 133 - Second shaft; 135 - Second traction disc; 1351 - Second traction disc groove; 150 - Isolation plate;

[0051] 300-Brake disc; 310-Brake disc body (frame structure); 311-Upper brake disc; 313-Lower brake disc; 315-Brake disc opening; 3151-Upper port of brake disc opening; 3153-Lower port of brake disc opening; 317-Clearance; 330-Boss;

[0052] 500 - Brake disc drive assembly; 510 - Fastener; 511 - Stud; 513 - Upper nut; 515 - Lower nut; 530 - Grip;

[0053] Second embodiment partial reference numerals:

[0054] 115' - First function panel; 135' - Second function panel; the rest refer to the reference numerals in the first embodiment.

[0055] Reference numerals in the accompanying drawings of the third embodiment:

[0056] 210 - Locking device;

[0057] 2100 - Rotary wheel assembly; 2110 - First rotary wheel assembly; 2111 - First rotary wheel; 2113 - First rotating shaft; 2115 - First traction disc; 21151 - First traction disc groove; 21153 - First traction wire; 21155 - First traction hole; 21157 - First traction disc center hole;

[0058] 2130 - Second wheel assembly; 2131 - Second wheel; 2133 - Second shaft; 2135 - Second traction disc; 21351 - Second traction disc groove;

[0059] 2150 - Isolation plate; 2170 - O-ring seal; 2170-1 First set of O-ring seals; 2170-2 Second set of O-ring seals;

[0060] 2300-Brake disc; 2310-Brake disc body; 2310-1-First brake disc body; 2310-2-Second brake disc body; 2330-Brake disc groove; 2350-Arc-shaped through hole; 2370-Positioning hole;

[0061] 2500 - Brake disc drive assembly; 2510 - Drive unit; 2511 - Drive unit outer edge platform; 2513 - Drive unit hollow hole; 2515 - Drive unit body; 2517 - Cantilever; 2519 - Cantilever column; 2530 - Lever;

[0062] 2700 - Handle; 2710 - Fixed post;

[0063] Reference numerals in the fourth embodiment:

[0064] 2-Endoscope;

[0065] 210 - Locking device;

[0066] 20 - Light source assembly;

[0067] 30-Traction wire;

[0068] 40-Suction tube;

[0069] 50-Flush tube;

[0070] 60-Aeronautical connector;

[0071] 70-lens;

[0072] 80 - Flexible section;

[0073] 90-catheter;

[0074] 2530-Lever;

[0075] 2700-handle;

[0076] Fifth Embodiment Partial Drawing Reference Numerals:

[0077] 2115' - First function disk; 2135' - Second function disk; the rest refer to the reference numerals in the third embodiment. Detailed Implementation

[0078] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0079] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0080] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0081] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0082] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0083] In existing endoscopes, locking handwheels are typically used to adjust the endoscope lens. However, this process suffers from several problems, including insufficient stability, low positioning accuracy, and inflexible bending angles when operating the lens.

[0084] In view of this, this application provides a locking device for endoscope adjustment, comprising a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly. The first rotating wheel is connected to a first end of the first rotating shaft; a first traction disc is disposed near the second end of the first rotating shaft. The rotation of the first rotating shaft can be controlled by the first rotating wheel, which in turn drives the first traction disc to rotate. The rotation of the first traction disc adjusts the first traction wire, thereby adjusting the observation angle of the endoscope in a first dimension. The brake disc is disposed on at least one side of the outer circumferential surface of the first rotating shaft. The brake disc drive assembly can adjust the tightness of the contact between the brake disc and the outer circumferential surface of the first rotating shaft or the first traction disc, thereby providing the desired damping for the rotation of the first rotating shaft. By applying damping to the rotation of the first rotating shaft, the first traction disc controls the extension and retraction of the first traction wire, thereby adjusting the angle and position of the endoscope lens. This facilitates the bending and fixing of the distal curved portion of the endoscope at any angle, ultimately achieving a combination of flexibility and stability in the positioning angle of the endoscope lens during endoscopic operation, improving surgical efficiency.

[0085] The following describes several alternative implementations of this disclosure with reference to the accompanying drawings. Those skilled in the art should understand that the following implementations are merely illustrative and not an exhaustive list. Based on these implementations, those skilled in the art may replace, splice, or combine certain features or examples, and these should still be considered as the disclosure content of this disclosure.

[0086] The following is in conjunction with the appendix Figure 1 - Appendix Figure 7 The first embodiment of this application is described in detail below. The advantage of this embodiment is that it provides a continuous and stable operating feel, and offers high adjustment reliability.

[0087] like Figure 1The diagram shown is a cross-sectional view of the locking device 10 for endoscope adjustment provided in this embodiment; wherein, Figure 1 The left side is the first end of the locking device 10, that is, one end of the rotating wheel assembly 100; Figure 1 The right side shows the second end of the locking device 10, which is one end of the brake disc 300. Due to the viewing angle, the brake disc drive assembly 500 cannot be shown in this figure; please refer to [the provided text]. Figure 1A Please refer to the following diagrams for further understanding. Figure 1A The structure of the brake disc drive assembly 500 is shown. Figure 2 for Figure 1 The diagram shows the locking device 10 from another perspective, specifically from the perspective where one end of the brake disc 300 faces out of the paper; in this diagram, the locking device 10 is in an unlocked state. Figure 3 for Figure 2 A schematic diagram of the left side of the locking device 10; Figure 4 for Figure 2 A top view of the locking device 10.

[0088] Combination Figure 1 and 1A As shown in the diagram, the locking device 10 includes the following components or parts: a rotating wheel assembly 100; a brake disc 300; and a brake disc drive assembly 500.

[0089] The arrangement of the above-mentioned components can be roughly described as follows: the rotating wheel assembly 100 is located at the first end of the locking device 10 ( Figure 1 (Left side), the brake disc 300 is located at the second end of the locking device 10 ( Figure 1 On the right side), the brake disc drive assembly 500 is also located at the second end of the locking device 10. Figure 1 (Right side), and is disposed at one end of the brake disc 300. The brake disc drive assembly 500 is connected to the brake disc 300 by a fastener 510, thereby enabling it to apply force to the brake disc 300.

[0090] In this embodiment, the locking device 10 further includes the following component: a handle; this component is not shown in the accompanying drawings of this application, but as a necessary component in the endoscope operation process, those skilled in the art can easily understand the purpose of this component; the handle is actually the body of the locking device 10, providing a positioning base for other components; it is called a handle because it serves as a handle in the overall structure of the endoscope, and is generally designed as two interlocking covers that can be disassembled according to assembly and repair needs; in this embodiment, the handle is a hollow cylindrical shell made of plastic, used to provide an installation position for the rotary wheel assembly 100 and the brake disc 300. In this embodiment, the components related to the locking device 10 are mainly the first clamping post and the second clamping post, which are used to fix the brake disc 300 to the body of the locking device 10.

[0091] Next, the rotary wheel assembly 100 is described, which includes: a first rotary wheel assembly 110; a second rotary wheel assembly 130; and a separator 150.

[0092] The following is a detailed introduction to each component.

[0093] The wheel assembly 100 includes: a first wheel assembly 110, a second wheel assembly 130, and a separator plate 150; the first wheel assembly 110 includes: a first wheel 111, a first shaft 113, and a first traction disc 115; the second wheel assembly 130 includes: a second wheel 131, a second shaft 133, and a second traction disc 135.

[0094] The first rotating wheel 111 is connected to the first end of the first rotating shaft 113, serving as an operating handle mounted on the first rotating shaft 113; in this embodiment, the first rotating wheel 111 is located at the first end of the first rotating shaft 113. Figure 1 (Left side); the first traction disc 115 is located at the other end of the first rotating shaft 113, that is, the second end of the first rotating shaft 113. Figure 1 (Right side); the second rotating wheel 131 is connected to the first end of the second rotating shaft 133, and the second rotating shaft 133 and the first rotating shaft 113 are coaxial. In this embodiment, as the most likely arrangement, the coaxiality is achieved by the second rotating shaft 133 being sleeved on the outer circumferential surface of the first rotating shaft 113; the second traction disc 135 is located at the second end of the second rotating shaft 133. As can be seen from the figure, the second traction disc 135 is located at a position closer to the first end than the first traction disc 115. Figure 1(Right side). Furthermore, the first rotating wheel 111 is located closer to the first end of the second rotating wheel 131, and the first rotating wheel 111 has a boss extending towards the second end, while the second rotating wheel 131 has a corresponding groove, allowing the boss to embed into the groove, thereby shortening the axial installation dimensions of the first rotating wheel 111 and the second rotating wheel 131. Of course, the coaxial arrangement of the first rotating shaft 113 and the second rotating shaft 133 can also be achieved in other ways, such as arranging them opposite each other from both ends. If this arrangement is adopted, the overall layout of the locking mechanism will be significantly different from this embodiment, but its principle remains essentially the same.

[0095] After introducing the structure and connection relationship of each shaft and wheel, the structure of the traction disc will be introduced next. Since the second traction disc 135 has the same structure as the first traction disc 115, please refer to the description of the first traction disc 115 for the structure of the second traction disc 135. It will not be repeated here.

[0096] Please see Figure 5 , Figure 5 This is a schematic diagram of the structure of the first traction disc 115 in the locking device 10. The figure also shows the first rotating shaft 113 connected to the first traction disc 115. The following is in conjunction with... Figure 5 For a detailed description of the specific structure of the first traction disc 115, please also refer to... Figure 1 .

[0097] The first traction disc 115 is disposed at the second end of the first rotating shaft 113; the first traction disc 115 has a position for fixing the first traction wire 1153. The rotation of the first rotating shaft 113 can be controlled by the first rotating wheel 111, which in turn drives the first traction disc 115 to rotate. The rotation of the first traction disc 115 adjusts the distance of the first traction wire 1153 extending, and the first traction wire 1153 can also pull the endoscope lens, thereby adjusting the observation angle of the endoscope in the first dimension to make it at a suitable angle.

[0098] according to Figure 5 As shown, the first traction disc 115 includes: a first traction disc groove 1151; a first traction wire 1153; a first traction hole 1155; and a first traction disc center hole 1157.

[0099] The first traction disc 115 has a hollow disc structure. The first traction disc groove 1151 is located on the outer circumferential surface of the first traction disc 115. The first traction wire 1153 enters the first traction disc 115 through the first traction disc groove 1151. The circumferential surface of the first traction disc 115 is provided with symmetrical bidirectional first traction holes 1155. The symmetrical first traction holes 1155 are used for the intake and release of the first traction wire 1153. The center position of the first traction disc 115 is provided with a first traction disc center hole 1157, which is fitted and fixed with the first rotating shaft 113. Through this structure, the first traction disc 115 is installed at the second end of the first rotating shaft 113.

[0100] One end of the first traction wire 1153 is fixed to the first traction disc 115 and can be inserted into the groove 1151 of the first traction disc. By rotating the first traction disc 115, the extension and retraction of the first traction wire 1153 can be adjusted, thereby adjusting the observation angle of the endoscope in the first dimension. Specifically, the rotation of the first traction disc 115 can control the winding and retraction of the first traction wire 1153 in the first dimension, thereby adjusting its extension distance. As a possible arrangement, in this embodiment, the first traction wire 1153 consists of two traction lines. The observation angle in the first dimension is in the vertical direction. The two traction lines of the first traction wire 1153 each independently control the observation angle of the endoscope in the vertical direction. In this embodiment, the composition and control dimension of the first traction wire described above are only an illustration, and other possible compositions and control methods for the traction wire are not excluded.

[0101] Similar to the first traction disc 115, the second traction disc 135 has a similar structure, the difference being that it is positioned near the second end of the second rotating shaft 133. This second traction disc 135 is used to fix the second traction wire, and the composition of the second traction wire is similar to that of the first traction wire. By rotating the second traction disc 135, the extension and retraction of the second traction wire can be adjusted, thereby adjusting the observation angle of the endoscope in the second dimension, for example, the observation angle of the endoscope in the left-right direction. Specifically, the rotation of the second traction disc 135 can control the winding and retraction of the second traction wire in the second dimension, thereby adjusting its extension distance.

[0102] In this embodiment, the first and second traction wires are both embedded in the endoscope's catheter. The two ends of each traction wire are respectively positioned at the curved end and the traction disc end of the endoscope catheter. One end is connected to the corresponding traction disc, and the other end is fixed in the catheter. Generally, after one end of a traction wire is pulled by the corresponding traction disc, when the traction disc rotates, due to the flexibility of the catheter, the traction wire drives the rotation of the flexible part at the distal end of the catheter, thereby causing the endoscope lens to rotate in a certain dimension (first or second), so that the endoscope lens can deflect at a certain angle and change the observation angle.

[0103] The above content introduced the wheel assembly 100. Next, we will introduce the brake disc 300.

[0104] Please refer to Figure 2 and Figure 2A The indication, Figure 2 A schematic diagram of the locking device 10 in the unlocked state. Figure 2A This is a schematic diagram of the brake disc 300.

[0105] The brake disc 300 includes: a brake disc body 310; and a boss 330.

[0106] The brake disc body 310 is a frame structure that clamps onto the circumferential surface of the first rotating shaft 113 or the first traction disc 115. This frame structure has a brake disc opening that can open vertically, clamping the circumferential surface of the first rotating shaft 113 or the first traction disc 115 through this opening. A boss 330 is provided at the root of the brake disc body 310 frame structure, through which the brake disc body 310 is fixed to the body of the locking device 10. In this embodiment, specifically, the boss is positioned between the first and second clamping posts on the body, thereby fixing the brake disc body 310 to the body of the locking device 10.

[0107] The brake disc body 310 includes: an upper brake disc 311; a lower brake disc 313; a brake disc opening 315; and a clearance 317.

[0108] Please refer to Figure 2 , Figure 2A , Figure 3 , Figure 4 ,in, Figure 3 for Figure 2 The left view corresponding to the locking device in the middle; Figure 4 for Figure 2The top view corresponding to the locking device is shown. The brake disc body 310 is an overall disc-shaped frame structure, which is composed of a semi-circular upper brake disc 311 and a semi-circular lower brake disc 313. The upper brake disc 311 and the lower brake disc 313 are connected by a boss 330 at the root of the brake disc body 310 opposite to the brake disc opening 315. The boss 330 provides a positioning basis for the upper and lower opening of the upper brake disc 311 and the lower brake disc 313, and a gap 317 is provided at this position to increase the space for elastic deformation. A corresponding brake disc opening 315 is formed between the upper brake disc 311 and the lower brake disc 313. The first rotating shaft 113 or the first traction disc 115 is clamped through the brake disc opening 315, so that the first rotating shaft 113 and the first traction disc 115 obtain clamping force. On the frame structure of the brake disc body 310, a through hole is also provided on one side of the brake disc opening 315. The through hole is used to connect the brake disc drive assembly 500 and work with it.

[0109] In this embodiment, as a specific implementation, the brake disc body 310 of the frame structure has the upper brake disc 311 and the lower brake disc 313 at one end of its frame structure disposed on the outer peripheral surface of the first rotating shaft 113. Figure 1 On the right side), the upper brake disc 311 and the lower brake disc 313 at the other end of the frame structure are disposed on the outer peripheral surface of the second rotating shaft 133. Figure 1 (middle); In addition, the upper brake disc 311 and the lower brake disc 313 are disposed opposite to each other on the outer peripheral surface of each rotating shaft, and the upper brake disc 311 is located above the outer peripheral surface of each rotating shaft. Figure 2 The brake disc lower plate 313 is located below the outer circumferential surface of each rotating shaft. Figure 2 Below), and on the contact surfaces of the upper brake disc 311, the lower brake disc 313, and each rotating shaft, surface textures for increasing friction are provided; furthermore, on the same side of the upper brake disc 311 and the lower brake disc 313, on the same side as the brake disc opening 315 ( Figure 2 A through hole is provided on the left side, through which the brake disc drive assembly 500 is connected to the brake disc body 310. In this embodiment, the fasteners of the brake disc drive assembly 500 are connected through the through holes on the upper port 3151 and the lower port 3153 of the brake disc opening.

[0110] As one possible approach in this embodiment, such as Figure 2As shown, the boss 330 is plate-shaped and located on the same side of the upper brake disc 311 and the lower brake disc 313 opposite to the brake disc opening 315. Figure 2 (Right side), and the boss 330 forms an opening toward the brake disc body 310, clamping the upper brake disc 311 and the lower brake disc 313 from both sides, providing positioning for the upper brake disc 311 and the lower brake disc 313.

[0111] As another feasible approach in this embodiment, such as Figure 6 As shown, Figure 6 for Figure 2 A schematic diagram of another connection method between the upper brake disc 311 and the lower brake disc 313 of the locking device 10; as shown. Figure 6 As shown, the upper brake disc 311 and the lower brake disc 313 are connected by a hinge. The boss 330 is shaft-shaped and is inserted into the hinge portion of the upper brake disc 311 and the lower brake disc 313. The shaft-shaped boss 330 provides a rotation axis for the upper brake disc 311 and the lower brake disc 313.

[0112] Next, we will introduce the brake disc drive assembly 500. For easier understanding, please refer to [link / reference needed]. Figure 1A The illustration in the image can also be referenced. Figure 2 .

[0113] like Figure 1A As shown, the brake disc drive assembly 500 includes: a fastener 510; and a gripping portion 530.

[0114] The fastener 510 is disposed on the frame structure of the brake disc body 310 and located at the position of the brake disc opening 315. Specifically, the fastener 510 is disposed within a through hole on the brake disc body 310, connecting the upper brake disc 311 and the lower brake disc 313. One end of the fastener 510 is provided with a gripping part 530, which extends outside the housing of the locking device 10, allowing the operator of the locking device 10 to rotate the fastener 510. (This is a specific implementation.) The grip portion 530 is a knob with a length significantly larger than the radius of the first rotating wheel 111 in the radial direction perpendicular to the first rotating shaft 113. By rotating the knob, the fastener 510 is rotated within a through hole on the brake disc body 310, which adjusts the force applied to the brake disc 300. This changes the clamping force applied by the brake disc 300 to the first rotating shaft 113 and the first traction disc 115, thereby providing the necessary damping for the rotation of the first rotating shaft 113.

[0115] To facilitate understanding, fastener 510 will be described in detail below. Fastener 510 includes two implementation methods, which will be described separately below.

[0116] The first implementation of the fastener 510 includes: a stud 511; an upper nut 513; and a lower nut 515.

[0117] The stud 511 serves as the main body of the fastener 510 and is configured to pass through a through hole in the brake disc body 310. At least two sections of threads with opposite directions of rotation are provided on the outer circumferential surface of the stud 511. An upper nut 513 and a lower nut 515 are also provided in conjunction with the stud 511. The upper nut 513 is fixedly disposed on the upper side of the upper port 3151 of the brake disc opening, and the lower nut 515 is fixedly disposed on the lower side of the lower port 3153 of the brake disc opening. The upper nut 513 and the first section of the stud 511 form a first threaded pair, and the lower nut 515 and the second section of the stud 511 form a second threaded pair. The first threaded pair and the second threaded pair have opposite directions of rotation. Rotating the stud 511 adjusts the force applied to the brake disc 300. Because the threads of the first and second threaded pairs have different directions of rotation, when the stud 511 rotates in one direction, the upper nut 513 and the lower nut 515 will move along the axial direction of the stud 511 in the direction they are closer together, or vice versa. In this way, the first rotating shaft 113 and the second rotating shaft 133 are gripped through the brake disc opening 315 of the brake disc body 310, increasing or decreasing the damping experienced by the rotating shafts.

[0118] In this embodiment, as another feasible method, the opening position of the brake disc body 310 frame structure is provided with an internal thread in the through hole that works in conjunction with the stud 511; wherein, the upper port 3151 of the brake disc opening mates with the first section of the stud 511 to form a third threaded pair, and the lower port 3153 of the brake disc opening mates with the second section of the stud 511 to form a fourth threaded pair, the third threaded pair and the fourth threaded pair having opposite thread directions; through the rotation of the stud 511, the surface thread of the stud 511 mates with the upper port 3151 and the lower port 3153 of the brake disc opening, thereby applying or reducing the force to the brake disc 300; its working principle is similar to that of the method using a nut mentioned above.

[0119] Through the two implementation methods described above, when the endoscope is working, rotating the gripping part 530 drives the stud 511 to rotate synchronously, realizing the cooperation between the stud 511 and the upper nut 513 and the lower nut 515 (first implementation method), or realizing the cooperation between the stud 511 and the upper port 3151 and the lower port 3153 of the brake disc opening (second implementation method), thereby adjusting the force applied to the brake disc body 310; since the brake disc body 310 is a frame structure with a brake disc opening 315 that can open up and down, the brake disc body 310 is clamped on the outer peripheral surfaces of the first rotating shaft 113 and the second rotating shaft 133; by adjusting the force applied to the brake disc body 310, the clamping force applied by the brake disc body 310 to the first rotating shaft 113 and the second rotating shaft 133 can be changed, thereby providing the necessary damping for the rotation of the first rotating shaft 113 and the second rotating shaft 133. Generally, the locking device 10 may have an unlocked state and a locked state, and may provide different degrees of damping when in an intermediate position between the two.

[0120] The following combination Figure 2 , Figure 4 , Figure 7 The working process of the locking device 10 is described in detail.

[0121] Figure 2 A schematic diagram is shown when the locking device 10 is in the unlocked state; Figure 4 The process of switching the locking device 10 from the unlocked state to the locked state is also shown. Figure 4 for Figure 2 (Top view of the locking device in the middle); Figure 7 A schematic diagram is shown when the locking device 10 is in the locked state.

[0122] Figure 2 , Figure 7 All Figure 1 The structural diagram below shows the second end of the locking device 10, i.e., the brake disc 300, facing out of the paper after being rotated clockwise. (Refer to the diagram below.) Figure 2 , Figure 4 , Figure 7 This section briefly describes the working process of the locking device 10, focusing on the process of switching between the locked and unlocked states.

[0123] When it is necessary to lock the endoscope locking device 10, the knob on the grip 530 is rotated counterclockwise by a certain angle (e.g., Figure 4(As shown from position B to position A), the knob of the grip 530 drives the stud 511 to rotate counterclockwise. Since the upper nut 513 and the first segment of the stud 511 form a first threaded pair, and the lower nut 515 and the second segment of the stud 511 form a second threaded pair, and these first and second threaded pairs have opposite thread directions, when the stud 511 rotates counterclockwise, the surface thread of the stud 511 engages with the upper nut 513 and the lower nut 515, causing the upper nut 513 and the lower nut 515 to move axially along the stud 511 in a direction closer to each other. Since the upper nut 513 and the lower nut 515 are fixed to the brake disc... The inner surface of the through hole of the body 310 gradually reduces the opening degree of the brake disc opening 315. The clamping force applied by the brake disc body 310 of this frame structure to the first rotating shaft 113 and the second rotating shaft 133 gradually increases, thereby gradually increasing the damping of the rotation of the first rotating shaft 113 and the second rotating shaft 133. Under the aforementioned damping, the first rotating shaft 213 and the second rotating shaft 233 gradually stop rotating. The first traction disc groove 2151 and the second traction disc groove 2351 stop winding and unwinding the traction wires in the left-right and up-down directions. The traction length of each traction wire in the up-down and left-right directions within the guide tube is fixed, and the locking device 10 enters the locked state, thus achieving the locking of the angle and direction of the endoscope lens. Please refer to... Figure 2 , Figure 7 The above process is Figure 2 Change to Figure 7 The process shows that the upper brake disc 311 and the lower brake disc 313 are in... Figure 2 When positioned, the brake disc opening 315 formed between the two is relatively large, until... Figure 7 When the position is such that the opening 315 of the brake disc formed between the two is smaller.

[0124] When it is necessary to unlock the endoscope locking device 10, the knob on the grip 530 is rotated clockwise by a certain angle (e.g., Figure 4(From position A to position B) The gripping part 530 drives the stud 511 to rotate. The surface thread of the stud 511 works in conjunction with the upper nut 513 and the lower nut 515. The upper nut 513 and the lower nut 515 will move away from each other along the axial direction of the stud 511. The opening degree of the brake disc opening 315 gradually increases. The clamping force applied by the brake disc body 310 of the frame structure to the first rotating shaft 113 and the second rotating shaft 133 gradually decreases. As a result, the damping of the rotation of the first rotating shaft 113 and the second rotating shaft 133 gradually decreases until it disappears. The first rotating shaft 213 and the second rotating shaft 233 increase rotation under the condition of the gradually decreasing damping. When the damping disappears, the locking device 10 disengages from the locked state and enters the unlocked state. At this time, the first traction disc 215 and the second traction disc 235 can rotate flexibly according to the operator's operation of the first rotating wheel 211 and the second rotating wheel 231; the traction wires associated with the above-mentioned traction discs can be flexibly wound and unwound under the traction of the traction discs, thereby allowing the angle of the endoscope lens to be flexibly adjusted. Please refer to... Figure 2 , Figure 7 The above process is Figure 7 Change to Figure 2 The process can be seen Figure 7 In this position, the brake disc opening 315 formed between the upper brake disc 311 and the lower brake disc 313 is relatively small. Figure 2 When the position is such that the opening 315 of the brake disc formed between the two is relatively large.

[0125] Between the aforementioned locked and unlocked positions, the grip 530 can be operated to occupy different positions between A and B, placing the locking device 10 in different damping states. This allows for varying degrees of adjustment of the rotating wheel as needed. The locking device 10 enables the endoscope to be set to a suitable position during adjustment. When unlocked, the endoscope lens angle can be freely adjusted via the rotating wheel. When locked, the endoscope is fixed, and the lens angle remains unchanged. The damping state between these two states provides the operator with the desired feel for turning the rotating wheel, facilitating operation.

[0126] Similar to the first embodiment, as a preferred embodiment, other variations are obviously possible in its basic principle. For example, the rotary assembly 100 may only include a first rotary assembly, meaning the locking device 10 can only adjust the endoscope angle in one dimension. Of course, there are other possible variations. For example, the first rotary wheel 111 and the second rotary wheel 131, as mentioned above, may be in opposite positions, rather than at the same end as in this embodiment.

[0127] Corresponding to the first embodiment described above, the second embodiment of this application provides a locking device; the purpose of providing this embodiment is to extend the principle of the first embodiment to other possible applications, rather than being limited to endoscopes.

[0128] The following is in conjunction with the appendix Figure 1 -Appendix Figure 7 The structure and working process are described. Components with the same function as those in the first embodiment described above are given the same names as much as possible for ease of understanding. It should be noted that although the first and second embodiments share common innovative points, they still have significant differences. Therefore, the description of this embodiment should follow the naming provided in this embodiment and should not be forcibly matched with the first embodiment.

[0129] The locking device 10 ， Typically used in detection scenarios, and referring to the process described in Embodiment 1, the first traction disc 115 and the second traction disc 135 in the rotating wheel assembly 100 are replaced with the first functional disc 115' and the second functional disc 135' to realize various possible adjustment functions. It should be understood that the structure of the first functional disc 115' and the second functional disc 135' can be adjusted according to the locking device 10. ， The functionality and application scenarios require structural adjustments. This embodiment does not impose specific limitations.

[0130] The locking device 10 ， It includes: a first rotating wheel 111, a first rotating shaft 113, a brake disc 300, and a brake disc drive assembly 500;

[0131] The first rotating wheel 111 is connected to the first end of the first rotating shaft 113; the first rotating shaft 113 is provided with a first function disk 115' near the second end; the first rotating wheel 111 can control the rotation of the first rotating shaft 113 and drive the first function disk 115' to rotate, and the rotation of the first function disk 115' adjusts the first traction wire 1153, thereby adjusting the observation angle of the endoscope in the first dimension;

[0132] The brake disc 300 is a frame structure that is clamped on the circumferential surface of the first rotating shaft 113 or the first functional disc 115'. The frame structure has a brake disc opening 315 that allows it to open up and down.

[0133] The brake disc drive assembly 500 has a fastener 510 disposed at one end of the brake disc opening 315. The fastener 510 can adjust the force applied to the brake disc 300, thereby changing the clamping force applied by the brake disc 300 to the first rotating shaft 113 and the first functional disc 115', and providing the necessary damping for the rotation of the first rotating shaft 113.

[0134] Using the locking device 10 provided in the second embodiment described above ， It may also include other necessary structures, such as detection equipment and display equipment for cooperating with the locking device. It should be understood that the working process of the locking device in this embodiment is similar to that in Embodiment 1; please refer to Embodiment 1 for details.

[0135] The third embodiment of this application provides another locking device for endoscope adjustment.

[0136] The following is in conjunction with the appendix Figure 8 -Appendix Figure 13 The third embodiment of this application is described in detail below. This embodiment shares the same principle as the first and second embodiments described above, namely, it provides desired damping for the rotation of the shaft by adjusting a brake disc disposed on at least one side of the outer peripheral surface of the shaft (first shaft and / or second shaft) or the traction disc (or function disc). However, the third embodiment employs a different structure in the specific implementation of the brake disc, which has the advantage of being more structurally simpler.

[0137] like Figure 8 The diagram shown is a cross-sectional view of the locking device 210 for an endoscope provided in this embodiment; wherein, Figure 8 The left side is the second end of the locking device 210, that is, one end of the brake disc 2300; Figure 8 The right side is the first end of the locking device 210, that is, one end of the rotating wheel assembly 2100; in this figure, the locking device 210 is in a locked state. Figure 9 for Figure 8 A schematic diagram of the locking device 210 in the unlocked state. Figure 10 for Figure 8 A schematic diagram of the locking device 210 in the locked state. Figure 9 , 10 All Figure 8 The diagram shows the structure of the locking device 210 rotating counterclockwise so that the second end of the locking device 210, i.e., the brake disc 2300, faces out of the paper.

[0138] like Figure 8 As shown, the locking device 210 includes the following components or parts: a rotating wheel assembly 2100; a brake disc 2300; a brake disc drive assembly 2500; and a handle 2700.

[0139] The arrangement of the above-mentioned components can be roughly described as follows: the brake disc 2300 is arranged near the second end of the locking device 210 ( Figure 8 (Left side), the brake disc drive assembly 2500 is located approximately in the middle of the locking device 210. Figure 8(middle), the rotating wheel assembly 2100 is located at the first end of the locking device 210 ( Figure 8 (Right side). The brake disc 2300 and the brake disc drive assembly 2500 are connected via a drive body 2510. The brake disc drive assembly 2500 provides damping in the rotational direction to the wheel assembly 2100 through the brake disc 2300.

[0140] In this embodiment, the handle 2700 is actually the body of the locking device 210, providing a positioning basis for other components. It is called a handle because it serves as a handle in the overall structure of the endoscope. Its specific structure will be described later.

[0141] The rotating wheel assembly 2100 includes: a first rotating wheel assembly 2110; a second rotating wheel assembly 2130; a separator 2150; and an O-ring seal 2170.

[0142] The following is a detailed introduction to each component.

[0143] The wheel assembly 2100 includes a first wheel assembly 2110, a second wheel assembly 2130, an isolation plate 2150, and an O-ring seal 2170; the first wheel assembly 2110 includes a first wheel 2111, a first shaft 2113, and a first traction disc 2115; the second wheel assembly 2130 includes a second wheel 2131, a second shaft 2133, and a second traction disc 2135.

[0144] The first rotating wheel 2111 is connected to the first end of the first rotating shaft 2113, serving as an operating handle mounted on the first rotating shaft 2113; in this embodiment, the first rotating wheel 2111 is located at the first end of the first rotating shaft 2113. Figure 8 (Right side); the first traction disc 2115 is located at the other end of the first rotating shaft 2113, that is, the second end of the first rotating shaft 2113 ( Figure 8 (Left side); the second rotating wheel 2131 is connected to the first end of the second rotating shaft 2133, and the second rotating shaft 2133 and the first rotating shaft 2113 are coaxial. In this embodiment, as the most likely arrangement, the coaxiality is achieved by the second rotating shaft 2133 being sleeved on the outer circumferential surface of the first rotating shaft 2113; the second traction disc 2135 is located at the second end of the second rotating shaft 2133. As can be seen from the figure, the second traction disc 2135 is located at the first end relative to the first traction disc 2115. Figure 8(Right side) Furthermore, an O-ring 2170 is fitted onto the first rotating shaft 2130. There are two sets of O-rings 2170, two in each set, arranged adjacent to each other; the first set of O-rings 2170-1 is close to the first traction disc 2115 and located at a position closer to the second end relative to the first rotating shaft 2113. Figure 8 On the left side), the second set of O-rings 2170-2 is close to the second traction disc 2135 and is located closer to the first end relative to the second rotating shaft 2133. Figure 8 (middle); In addition, the first rotating wheel 2111 is located closer to the first end of the second rotating wheel 2131, and the first rotating wheel 2111 is provided with a boss extending towards the second end, while the second rotating wheel 2131 is provided with a corresponding groove, so that the boss is embedded in the groove, thereby shortening the axial installation dimensions of the first rotating wheel 2111 and the second rotating wheel 2131. Of course, the coaxial arrangement of the first rotating shaft 2113 and the second rotating shaft 2133 can also be adopted in other different ways. For example, they can be arranged opposite each other from both ends. If this arrangement is adopted, the layout of the entire locking device will be significantly different from that of this embodiment, but its principle is not fundamentally different.

[0145] Please see Figure 13 The first traction disc 2115 has a fixed position for the first traction wire 21153. By rotating the first traction disc 2115, the extension distance of the first traction wire 21153 can be adjusted. The first traction wire 21153 can also pull the endoscope lens, so that the endoscope is at a suitable angle in the dimension controlled by the first traction wire 21153.

[0146] Figure 13 A structural diagram of the first traction disc 2115 is shown. The diagram also shows the first rotating shaft 2113 connected to the first traction disc 2115. The following is combined with... Figure 13 For a detailed description of the specific structure of the first traction disc 2115, please refer to [the relevant documentation / reference]. Figure 8 .

[0147] Figure 13 As shown, the first traction disc 2115 includes: a first traction disc groove 21151; a first traction wire 21153; a first traction hole 21155; and a first traction disc center hole 21157.

[0148] The first traction disc 2115 has a hollow disc structure. The first traction disc groove 21151 is located on the outer circumferential surface of the first traction disc 2115. The first traction wire 21153 enters the first traction disc 2115 through the first traction disc groove 21151. The circumferential surface of the first traction disc 2115 is provided with symmetrical bidirectional first traction holes 21155. The symmetrical first traction holes 21155 are used for the intake and release of the first traction wire 21153. The center position of the first traction disc 2115 is provided with a first traction disc center hole 21157, which is fitted and fixed with the first rotating shaft 2113. Through this structure, the first traction disc 2115 is installed at the second end of the first rotating shaft 2113.

[0149] One end of the first traction wire 21153 is fixed to the first traction disc 2115 and can be inserted into the groove 21151 of the first traction disc. By rotating the first traction disc 2115, the extension and retraction of the first traction wire 21153 can be adjusted, thereby adjusting the observation angle of the endoscope in the first dimension. Specifically, the rotation of the first traction disc 2115 can control the winding and retraction of the first traction wire 21153 in the first dimension, thereby adjusting its extension distance.

[0150] Similar to the first traction disc, the second traction disc 2135 has a similar structure, the difference being that it is positioned at the second end of the second rotating shaft 2133. This second traction disc 2135 is used to fix the second traction wire. By rotating the second traction disc 2135, the extension and retraction of the second traction wire can be adjusted, thereby adjusting the observation angle of the endoscope in the second dimension. Specifically, the rotation of the second traction disc 2135 controls the winding and retraction of the second traction wire in the second dimension, thereby adjusting its extension distance. The traction wire is embedded in the endoscope's guide tube. The two ends of the traction wire are respectively positioned at the curved end of the endoscope guide tube and the end of the traction disc. One end is connected to the traction disc, and the other end is fixed in the guide tube. Generally, after one end of a traction wire is pulled by the traction disc, when the traction disc rotates, due to the flexibility of the guide tube, the traction wire drives the rotation of the flexible portion at the distal end of the guide tube, thereby causing the endoscope lens to rotate in a certain dimension (up and down, or left and right), allowing the endoscope lens to deflect at a certain angle and change the observation angle.

[0151] An isolation plate 2150 is provided at the axial gap between the first traction disc 2115 and the second traction disc 2135 to separate the two.

[0152] The following describes the brake disc 2300 and the brake disc drive assembly 2500; due to their close relationship, there is some overlap in the description. Please refer to... Figure 11 , Figure 12 .

[0153] The brake disc 2300 includes: a brake disc body 2310; a brake disc groove 2330; an arc-shaped through hole 2350; and a positioning hole 2370. The brake disc drive assembly 2500 includes: a drive component 2510 and a lever 2530 (see...). Figure 12 The drive component 2510 is located at the second end of the brake disc drive assembly 2500. Figure 8 The lever 2530 is located at the first end of the brake disc drive assembly 2500 (center to left). Figure 8 (Middle to right), the lower end of the lever 2530 is fixedly connected to the outer peripheral surface of the drive body 2515 in the drive member 2510. The lever 2530 has a length that is significantly larger than the diameter of the drive member 2510, and the upper end of the lever 2530 extends out in the radial direction. Figure 8 The upper end provides an operating surface for easy manipulation. The structure of the drive element 2510 will be described in detail later after the structure of the brake disc 2300 is introduced.

[0154] The handle 2700, named as such because it serves as the handle of an endoscope, functions in this application as the body providing the positioning base. The handle 2700 is generally designed as two interlocking covers that can be disassembled for assembly and repair needs. For the endoscope locking device of this application, the main structure provided by the body is the fixing post 2710. In this embodiment, the handle 2700 is a hollow cylindrical shell made of plastic. The fixing post 2710 is located on the inner surface of the handle 2700 shell and provides an installation position for the brake disc 2300. In this embodiment, the fixing post 2710 is a solid plastic cylinder, and the brake disc 2300 is rotatably mounted on the fixing post 2710 through its positioning hole 2370, thereby achieving rotatable installation positioning.

[0155] Figure 11 A structural diagram of the brake disc 2300 is shown below. (The following is in conjunction with...) Figure 11 For a detailed introduction to the brake disc 2300, please refer to [link / reference]. Figure 8 , Figure 9 .

[0156] As mentioned above, the brake disc 2300 includes: a brake disc body 2310; a brake disc groove 2330; an arc-shaped through hole 2350; and a positioning hole 2370.

[0157] In this embodiment, the brake disc 2300 is an arc-shaped plate structure. The brake disc 2300 is disposed on at least one side of the outer peripheral surface of the first rotating shaft 2113. The lower end of the brake disc body 2310 is provided with a brake disc groove 2330. The inner surface of the brake disc groove 2330 is the contact surface of the brake disc 2300 with the outer peripheral surface of the first rotating shaft 2130 and / or the outer peripheral surface of the second rotating shaft 2140. The inner surface of the brake disc groove 2330 is provided with surface textures to increase friction, so as to facilitate contact with the outer peripheral surface of the first rotating shaft 2113 and / or the second rotating shaft 2133. The contact surface of the brake disc groove 2330 with the first rotating shaft 2113 and the second rotating shaft 2133 is in contact with the O-ring seal 2170. The surface texture on the brake disc groove 2330 can be squeezed by the O-ring seal 2170 under the action of the brake disc body 2310, thus hindering the rotation of the first rotating shaft 2113 and the second rotating shaft 2133. The brake disc body 2310 has a positioning hole 2370 at one end of its arc-shaped surface. The positioning hole 2370 is rotatably fitted onto the fixing post 2710 on the handle 2700, thereby allowing the brake disc body 2310 to swing about a fixed axis around the positioning hole 2370. The brake disc body 2310 also has an arc-shaped through hole 2350 on its arc-shaped surface, allowing the cantilever column 2519 to be inserted into and slide within the arc-shaped through hole 2350. To synchronously engage with the first rotating shaft 2113 and the second rotating shaft 2133, the brake disc body 2310 can be... Figure 11 As shown, the two arc-shaped plates are arranged in parallel front to back, namely the first brake disc body 2310-1 and the second brake disc body 2310-2.

[0158] Figure 12 A structural diagram of the drive member 2510, which is a component of the brake disc drive assembly 2500, is shown below. Figure 12 For a detailed description of the specific structure of the drive unit 2510, please refer to [reference needed]. Figure 8 .

[0159] like Figure 12 As shown, the driving component 2510 includes: an outer edge platform 2511; a hollow hole 2513; a body 2515; a cantilever 2517; and a cantilever column 2519.

[0160] The driving component body 2515 is a hollow tube located at the lower end of the driving component 2510. The driving component body 2515 has a hollow driving component hole 2513, through which it is fitted onto the outer diameter surface of the second rotating shaft 2133. Symmetrical driving component outer edge platforms 2511 are provided on the outer circumferential surface of the driving component body 2515, which are fixed to the lower end of the lever 2530. By moving the lever 2530, the driving component 2510 can be rotated. The front end of the driving component body 2515 (… Figure 12 A cantilever 2517 is fixed along the vertical direction on the left side, and the upper front end of the cantilever 2517 ( Figure 12 A cantilever column 2519 is fixed on the upper left side. The cantilever column 2519 extends along the extension direction of the first rotating shaft 2113 and the second rotating shaft 2133, and is inserted into the arc-shaped through hole 2350 on the brake disc 2300. By driving the lever 2530 to swing, the driving member 2510 is rotated, thereby causing the cantilever column 2519 to slide within the arc-shaped through hole 2350.

[0161] When the endoscope is in operation, by moving the lever 2530, the drive component 2510 is driven to rotate synchronously, allowing the cantilever column 2519 to slide within the arc-shaped through hole 2350. The movement of the cantilever column 2519 along the arc-shaped through hole 2350 drives the brake disc 2300 to swing around the positioning hole 2370. This causes the surface texture on the inner surface of the brake disc groove 2330 on the brake disc 2300 to press against the O-ring seal 2170, adjusting the tightness of the fit between the brake disc 2300 and the outer peripheral surfaces of the first rotating shaft 2113 and the second rotating shaft 2133. This provides the desired damping for the first rotating shaft 2113 and the second rotating shaft 2133. Generally, through the above adjustments, the locking device 210 can have an unlocked state and a locked state, and can provide different degrees of damping in the intermediate position between the two.

[0162] The above is merely one implementation of the brake disc 2300. In practice, a clamping brake disc with multiple contact surfaces could also be considered, contacting and adhering to the outer peripheral surfaces of the first rotating shaft 2130 and / or the second rotating shaft 2140 from multiple sides to achieve the braking effect. Those skilled in the art can design similar systems based on the above-disclosed embodiments and their technical knowledge.

[0163] The following are key references Figure 9 , Figure 10 The working process of the locking device 210 is described in detail.

[0164] Figure 9 It shows Figure 8 A schematic diagram of the locking device 210 in the unlocked state. Figure 10 It shows Figure 8 A schematic diagram of the locking device 210 in the locked state. Figure 9 , 10 All Figure 8 The diagram below shows the structure of the locking device 210 rotated counterclockwise, so that the second end of the locking device 210, i.e., the brake disc 2300, faces out of the paper. (Refer to the following...) Figures 8 to 10 This section briefly describes the working process of the locking device 210, focusing on the operation process of switching between the locked and unlocked states.

[0165] When it is necessary to lock the endoscope locking device 210, the lever 2530 is rotated clockwise along the handle 2700 by a certain angle (e.g., ...). Figure 9 (As shown from position A to position B), the lever 2530 drives the drive member 2510 to rotate around the second rotating shaft 2133, and simultaneously drives the cantilever column 2519 on the drive member 2510 to slide within the arc-shaped through hole 2350, causing the brake disc 2300 to rotate clockwise around the positioning hole 2370. This results in the surface texture on the brake disc groove 2330 of the brake disc 2300 pressing against the O-ring seal 2170, achieving contact with the first rotating shaft 2113 and the second rotating shaft 213. 3. At least one side of the outer peripheral surface is in contact with and pressed against the first rotating shaft 2113 and the second rotating shaft 2133, thereby generating frictional force when they rotate. Under the action of friction, the first rotating shaft 2113 and the second rotating shaft 2133 stop rotating, and the first traction disc groove 21151 and the second traction disc groove 21351 stop winding and unwinding the traction wire in the left-right and up-down directions. The traction length of the traction wire in the up-down and left-right directions inside the guide tube is fixed, and the locking device enters the locked state, that is, the angle and direction of the endoscope lens are locked. Please refer to Figure 9 , Figure 10 The above process is Figure 9 Change to Figure 10 The process shows that the brake disc groove 2330 is in Figure 9 When in position, it is not in contact with the first rotating shaft 2113, until Figure 10 When in position, it is in contact with the first rotating axis 2113; from this perspective, the second rotating axis 2133 is obscured, but its actual change is the same.

[0166] When it is necessary to unlock the locking device 210, the lever 2530 is rotated counterclockwise along the handle 2700 by a certain angle (e.g., ...). Figure 10(As shown from position B to position A), lever 2530 drives drive member 2510 to rotate around second shaft 2133, simultaneously driving cantilever column 2519 on drive member 2510 to slide within arc-shaped through hole 2350, causing brake disc 2300 to rotate around positioning hole 2370. This causes the texture on the upper surface of brake disc groove 2330 on brake disc 2300 to separate from O-ring 2170, gradually reducing and eliminating the friction force loaded on first shaft 2113 and second shaft 2133. Locking device 210 then disengages from the locked state and enters the unlocked state. At this time, first traction disc 2115 and second traction disc 2135 can rotate flexibly with the operator's operation of first wheel 2111 and second wheel 2131; the traction wires associated with the traction discs can be flexibly wound and unwound under the traction of each traction disc, thereby allowing flexible adjustment of the endoscope lens angle. (Reference) Figure 9 , Figure 10 The above process is from Figure 10 Change to Figure 9 The process shows that the surface texture of the brake disc groove 2330 is... Figure 10 When in position, it contacts the first rotating shaft 2113, until Figure 9 When in position, it does not contact the first rotating axis 2113; although the second rotating axis 2133 is obscured from this viewpoint, its actual change is the same.

[0167] Between the aforementioned locked and unlocked positions, the lever 2530 can be operated to occupy different positions between A and B, placing the locking device in different damping states. This allows for varying degrees of adjustment of the rotating wheel's tightness as needed. This locking device enables the endoscope to be set to an appropriate state during adjustment. When unlocked, the endoscope lens angle can be freely adjusted via the rotating wheel; when locked, the endoscope is fixed, and the lens angle remains unchanged. The damping state, somewhere between these two, provides the operator with the desired feel for turning the rotating wheel, facilitating operation.

[0168] The following is a brief explanation of the principle of the above embodiment. The combination of the lever 2530 and the drive member 2510 forms a lever mechanism. Since the lever 2530 is relatively long, equivalent to the long arm of the lever, the drive member 2510 can be easily moved to drive the brake disc 2300 to swing through its cantilever column 2519. Conversely, it is difficult for the brake disc 2300 to swing and drive the lever 2530. Furthermore, the cantilever column 2519 fits tightly with the arc-shaped through hole 2350 of the brake disc 2300, resulting in a large frictional force between them. The lever 2530 also provides a load to hinder its movement. Therefore, it is difficult for the brake disc 2300 to move due to loosening. In other words, the above locking device has good locking characteristics. When the lever 2530 is moved to any position, it can be suspended there without external force and will not easily loosen.

[0169] The first embodiment described above is a preferred embodiment, and obviously, other variations are possible based on its fundamental principle. For example, the rotary wheel assembly 2100 may only include a first rotary wheel assembly, meaning the locking device can only adjust the endoscope angle in one dimension. Of course, there are other possible variations. For example, the first rotary wheel 2110 and the second rotary wheel 2120, as mentioned earlier, may be in opposite positions, rather than at the same end as in this embodiment.

[0170] In the above embodiments, a further preferred embodiment is that the locking device for endoscope adjustment can further divide the brake disc and brake disc drive assembly into two groups, providing the damping for the first rotating shaft and the second rotating shaft respectively. This allows for independent control and adjustment of the endoscope's observation angles in the first and second dimensions. The second dimension and the first dimension are located in different directional dimensions.

[0171] Among them, brake disc 2300 can be configured according to Figure 8 The brake disc is divided into two parts, one brake disc and two brake discs, from top to bottom along the 2150mm center line. (See reference) Figure 8 The locking device structure, the position and structure of the brake disc drive assembly are comparable. Figure 8 Brake disc drive assembly 2500 ( Figure 8 (Right side), Brake disc drive assembly two can be located on the other side of brake disc drive assembly one. Figure 8(Left side); One brake disc is disposed on one side of the outer peripheral surface of the first rotating shaft, and the other brake disc is disposed on one side of the outer peripheral surface of the second rotating shaft; the first brake disc drive assembly can adjust the tightness of the contact between the first brake disc and the outer peripheral surface of the first rotating shaft, thereby providing the desired damping to the first rotating shaft; the rotation of the first traction disc is used to adjust the first traction wire, thereby adjusting the observation angle of the endoscope in the first dimension; the second brake disc drive assembly can adjust the tightness of the contact between the second brake disc and the outer peripheral surface of the second rotating shaft, thereby providing the desired damping to the second rotating shaft; the rotation of the second traction disc is used to adjust the second traction wire, thereby adjusting the observation angle of the endoscope in the second dimension.

[0172] The preferred embodiments described above enable the endoscope to independently adjust the observation angle in another dimension while ensuring that the observation angle in one dimension is determined.

[0173] The fourth embodiment of this application provides an endoscope, as shown in the attached drawing. Figure 14 Specifically, in conjunction with the appendix Figure 8 -Appendix Figure 13 The structure and working process are described. Components with the same function as those in the third embodiment described above are given the same names as much as possible for ease of understanding. It should be noted that although the third and fourth embodiments share common innovative points, they still have significant differences. Therefore, the description of this embodiment follows the naming provided in this embodiment and does not need to be forcibly matched with the third embodiment.

[0174] like Figure 14 The diagram shown is a schematic representation of the endoscope structure device 2 provided in this embodiment.

[0175] The following is in conjunction with the appendix Figure 14 The fourth embodiment of this application is described in detail.

[0176] like Figure 14 As shown, this is a schematic diagram of the cross-sectional structure of the endoscope 2 provided in this embodiment; wherein, Figure 14 The left side is the rear end of the endoscope, which is one end of the locking device 210 and the light source assembly 20. The rear end of the endoscope is the end that the operator holds during the actual surgery. Figure 14 The right side of the endoscope structure is the front end, namely one end of the lens 70 and the flexible part 80. This front end of the endoscope is used for manipulation during surgery via the movement of the flexible part to visualize lesions in relevant areas. In this figure, the locking device 210 is in the unlocked state. In the following description, it will be... Figure 14 The left side is called the rear. Figure 14 The right side is referred to as the front.

[0177] like Figure 14As shown, the endoscope 2 includes: a locking device 210; a light source assembly 20; a traction wire 30; a suction tube 40; a flushing tube 50; an aviation connector 60; a lens 70; a flexible part 80; a catheter 90; a lever 2530; and a handle 2700.

[0178] The light source assembly 20 and the locking device 210 are both embedded in the handle 2700. The handle 2700 is used by the operator to hold the endoscope. The light source assembly 20 provides illumination for the lens 70 during observation. The handle 2700 is located at the rear end of the endoscope 2. Figure 14 (Left side), the flexible part 80 and the lens 70 are located at the front end of the endoscope 2 ( Figure 14 (Right side), the two are connected to each other via a catheter 90. During minimally invasive surgery, typically, the tip of the endoscope 2 is positioned... Figure 14 In its unlocked state, the catheter 90 is pushed along the patient's cavity to the surgical site. The catheter 90 internally encloses a locking device 210 connected to the traction wire 30 of the lens 70. This enclosure is not a tight wrap, but rather provides a dedicated channel for each traction wire, with a suitable radial dimension. The catheter 90 itself is made of a flexible material, allowing it to adapt to the patient's curved cavities. The flexible portion 80 adjusts the observation angle of the lens 70 at the lesion site. The handle 2700 is controlled by the surgeon, who can externally operate the locking device 210 using a lever 2530, thereby enabling observation of the lesion site inside the patient's body from different angles.

[0179] The endoscope 2 can bend the flexible traction wire 30 at any angle via the locking device 210. The locking device 210 adjusts the extension length of the traction wire 30 to adjust the angle of the lens 70 at a fixed position. For a detailed explanation of the process of adjusting the locking and unlocking states of the locking device 210 using the lever 2530, please refer to Embodiment 3, which will not be elaborated further here.

[0180] Although the endoscope 2 in this embodiment uses the locking device provided in the third embodiment, the locking device provided in the first embodiment of this application can also be used. When using the locking device, the specific locking device setting method can be referred to the description of the first embodiment, and will not be repeated here.

[0181] Figure 14 front end ( Figure 14The upper right corner also shows the suction tube 40, the flushing tube 50, and the aviation connector 60, which work in conjunction with the lens 70. The suction tube 40 and the flushing tube 50 are used to remove obstructions from the viewing area of ​​the lens 70, ensuring a clear field of view and facilitating direct visualization of lesions in relevant areas. The aviation connector 60 is used to connect the required wires.

[0182] The fifth embodiment of this application provides a locking device; the purpose of providing this locking device embodiment is to extend the locking device for endoscopes provided in the third embodiment of this application to a wider range of applications.

[0183] The following is in conjunction with the appendix Figure 8 -Appendix Figure 13 The structure and working process are described. Components with the same function as those in the third embodiment described above are given the same names as much as possible in this embodiment for ease of understanding. It should be noted that although the third and fifth embodiments share common innovative points, they still have significant differences. Therefore, the description of this embodiment should follow the naming provided in this embodiment and should not be forcibly matched with the third embodiment.

[0184] The locking device 210' is typically used in testing scenarios. Referring to the process described in Embodiment 3, the first traction disc 2115 and the second traction disc 2135 in the rotating wheel assembly 2100 are replaced with the first functional disc 2115' and the second functional disc 2135' to achieve various possible adjustment functions. It should be understood that the structure of the first functional disc 2115' and the second functional disc 2135' can be structurally adjusted according to the function and application scenario requirements of the locking device 210'. This embodiment does not impose specific limitations.

[0185] The locking device 210' includes: a first rotating wheel 2111, a first rotating shaft 2113, a brake disc 2300, and a brake disc drive assembly 2500.

[0186] The first rotating wheel 2111 is connected to the first end of the first rotating shaft 2113; the first rotating shaft 2113 is provided with a first functional disc 2115' near the second end; the brake disc 2300 is disposed on at least one side of the outer peripheral surface of the first rotating shaft 2113, and the tightness of the fit between the brake disc 2300 and the outer peripheral surface of the first rotating shaft 2113 can be adjusted by the brake disc drive assembly 2500, thereby providing the desired damping for the rotation of the first rotating shaft 113.

[0187] Optionally, the locking device 210' further includes: a second rotating wheel 2131 and a second rotating shaft 2133; the second rotating wheel 2131 is connected to the first end of the second rotating shaft 2133, and a second functional disc 2135' is provided near the second end of the second rotating shaft 2133, and the second rotating shaft 2133 and the first rotating shaft 2113 are coaxial; the brake disc 2300 is located on at least one side of the outer peripheral surface of the second rotating shaft 2133; while adjusting the tightness of the fit between the brake disc 2300 and the outer peripheral surface of the first rotating shaft 2113, the tightness of the fit between the brake disc 2300 and the outer peripheral surface of the second rotating shaft 2133 is also adjusted synchronously, thereby providing the desired damping for the rotation of the second rotating shaft 2133.

[0188] The locking device 210' provided in the fifth embodiment described above may also include other necessary structures, such as detection equipment, display equipment, etc., for cooperating with the locking device. It should be understood that the working process of the locking device in this embodiment is similar to that in Embodiment 3; please refer to Embodiment 3 for further details.

[0189] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0190] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A locking device for adjusting an endoscope, characterized in that, It includes a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly; The first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is provided at the second end of the first rotating shaft; the rotation of the first rotating shaft can be controlled by the first rotating wheel, which in turn drives the first traction disc to rotate. The rotation of the first traction disc adjusts the first traction wire, thereby adjusting the observation angle of the endoscope in the first dimension. The brake disc is disposed on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc. The brake disc drive assembly can adjust the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first traction disc, thereby providing the desired damping for the rotation of the first rotating shaft. The brake disc is a frame structure that is clamped on the circumferential surface of the first rotating shaft or the first traction disc, and the frame structure has a brake disc opening that allows it to open up and down. The brake disc drive assembly has a fastener, which is provided at least at one end of the brake disc opening. The fastener allows adjustment of the force applied to the brake disc, thereby changing the clamping force applied by the brake disc to the first rotating shaft and the first traction disc, and achieving the effect of adjusting the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first traction disc, thus providing the desired damping for the rotation of the first rotating shaft.

2. The locking device for endoscope adjustment according to claim 1, characterized in that, A boss is provided at the root of the brake disc opposite to the opening of the brake disc, and the brake disc is fixed to the body of the locking device through the boss.

3. The locking device for endoscope adjustment according to claim 2, characterized in that, The brake disc has a gap at its root position to increase the space for elastic deformation.

4. The locking device for endoscope adjustment according to claim 2, characterized in that, The boss is positioned between the first and second clamping posts on the body, thereby fixing the brake disc within the body of the locking device.

5. The locking device for endoscope adjustment according to claim 1, characterized in that, The fastener includes: a stud, and an upper nut and a lower nut that cooperate with the stud, wherein the upper nut is disposed at the upper port of the brake disc opening, and the lower nut is disposed at the lower port of the brake disc opening; The upper nut and the first segment of the stud form a first threaded pair, and the lower nut and the second segment of the stud form a second threaded pair, with the first threaded pair and the second threaded pair having opposite thread directions; The force applied to the brake disc is adjusted by rotating the stud.

6. The locking device for endoscope adjustment according to claim 1, characterized in that, The fastener includes a stud, and the opening of the frame structure is provided with an internal thread that works in conjunction with the stud; wherein, the upper port of the opening mates with the first section of the stud to form a third thread pair, and the lower port of the opening mates with the second section of the stud to form a fourth thread pair, and the third thread pair and the fourth thread pair have opposite thread directions. Rotate the stud to adjust the force applied to the brake disc.

7. The locking device for endoscope adjustment according to claim 5 or 6, characterized in that, The stud is provided with a gripping part that extends out of the housing of the locking device; the gripping part is used by the operator of the locking device to rotate the stud.

8. The locking device for endoscope adjustment according to claim 7, characterized in that, The stud has an end face that abuts against the outer surface of the housing of the machine body.

9. The locking device for endoscope adjustment according to claim 1, characterized in that, The locking device further includes: a second rotating wheel and a second rotating shaft; The second rotating wheel is connected to the first end of the second rotating shaft, and the first and second rotating shafts are coaxial. The second rotating shaft is sleeved on the outer circumferential surface of the first rotating shaft. A second traction disc is provided at the second end of the second rotating shaft. The rotation of the second rotating shaft can be controlled by the second rotating wheel, which in turn drives the second traction disc to rotate. The rotation of the second traction disc adjusts the second traction wire, thereby adjusting the observation angle of the endoscope in the second dimension. The second dimension is in a different directional dimension from the first dimension. The brake disc is also clamped on the circumferential surface of the second rotating shaft or the second traction disc. When the brake disc applies a clamping force to the first rotating shaft and the first traction disc, it also applies a corresponding clamping force to the second rotating shaft and the second traction disc, thereby providing the necessary damping for the rotation of the second rotating shaft.

10. The locking device for endoscope adjustment according to claim 1, characterized in that, The brake disc is disposed on one side of the outer peripheral surface of the first rotating shaft. The tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft can be adjusted by the brake disc drive assembly, thereby providing the desired damping for the rotation of the first rotating shaft.

11. The locking device for endoscope adjustment according to claim 10, characterized in that, The device includes a second rotating wheel and a second rotating shaft. The second rotating wheel is connected to the first end of the second rotating shaft, and the second rotating shaft and the first rotating shaft are coaxial. A second traction disc is provided at the second end of the second rotating shaft, and the brake disc is located on at least one side of the outer circumferential surface of the second rotating shaft. While adjusting the tightness of the fit between the brake disc and the outer circumferential surface of the first rotating shaft, the tightness of the fit between the brake disc and the outer circumferential surface of the second rotating shaft is also adjusted synchronously, thereby providing the desired damping for the rotation of the second rotating shaft. The rotation of the second traction disc is used to adjust the second traction wire of the endoscope, thereby adjusting the observation angle of the endoscope in a second dimension, which is in a different directional dimension from the first dimension.

12. The locking device for endoscope adjustment according to claim 11, characterized in that, An O-ring is fitted at the contact point between the outer circumferential surface of the first rotating shaft and / or the outer circumferential surface of the second rotating shaft and the brake disc.

13. The locking device for endoscope adjustment according to claim 11, characterized in that, The contact surface of the brake disc that contacts the outer peripheral surface of the first rotating shaft and / or the outer peripheral surface of the second rotating shaft is provided with surface texture to increase friction.

14. The locking device for endoscope adjustment according to claim 11, characterized in that, One end of the brake disc body is provided with a positioning hole, which is rotatably fitted onto the fixing post of the housing of the locking device; by adjusting the angle of the brake disc swinging around the fixing post, the tightness of the fit between the brake disc and the first rotating shaft and the second rotating shaft can be adjusted.

15. The locking device for endoscope adjustment according to claim 14, characterized in that, The brake disc body is provided with an arc-shaped through hole; The brake disc drive assembly includes a drive member whose body is coaxially arranged with the first rotating shaft. The drive member also has a cantilever connected to the drive member body and extending radially to one side. An axially extending cantilever column is provided on the cantilever, and the cantilever column is inserted into an arc-shaped through hole provided on the brake disc. When the drive member rotates, the cantilever column slides in the arc-shaped through hole, thereby driving the brake disc to swing around the fixed column, thereby adjusting the angle of the brake disc swinging around the fixed column.

16. The locking device for endoscope adjustment according to claim 15, characterized in that, The brake disc drive assembly also includes a lever with a length significantly larger than the diameter of the drive body. One end of the lever is fixedly connected to the drive body, and the other end extends radially and provides an operating surface for easy to turn. By turning the lever, the drive can be rotated.

17. The locking device for endoscope adjustment according to claim 11, characterized in that, An isolation plate is provided at the axial gap between the first traction disc and the second traction disc.

18. The locking device for endoscope adjustment according to claim 11, characterized in that, The brake disc and brake disc drive assembly are divided into two groups, which provide the damping to the first shaft and the second shaft, respectively.

19. An endoscope, characterized in that, It includes a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly; The first rotating wheel is connected to the first end of the first rotating shaft; a first traction disc is provided at the second end of the first rotating shaft; the rotation of the first rotating shaft can be controlled by the first rotating wheel, which in turn drives the first traction disc to rotate. The brake disc is disposed on at least one side of the outer peripheral surface of the first rotating shaft or the first traction disc. The brake disc drive assembly can adjust the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first traction disc, thereby providing the desired damping for the rotation of the first rotating shaft. The rotation of the first traction disc is used to adjust the first traction wire, thereby adjusting the observation angle of the endoscope lens in the first dimension; through this adjustment and in combination with the damping provided by the aforementioned brake disc, the endoscope lens can be rotated to and remain at the required observation angle in the first dimension as needed. The brake disc is a frame structure that is clamped on the circumferential surface of the first rotating shaft or the first traction disc, and the frame structure has a brake disc opening that allows it to open up and down. The brake disc drive assembly has a fastener, which is provided at least at one end of the brake disc opening. The fastener allows adjustment of the force applied to the brake disc, thereby changing the clamping force applied by the brake disc to the first rotating shaft and the first traction disc, and achieving the effect of adjusting the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first traction disc, thus providing the desired damping for the rotation of the first rotating shaft.

20. A locking device, characterized in that, It includes a first rotating wheel, a first rotating shaft, a brake disc, and a brake disc drive assembly; The first rotating wheel is connected to the first end of the first rotating shaft; a first function disk is provided at the second end of the first rotating shaft; the rotation of the first rotating shaft can be controlled by the first rotating wheel, which in turn drives the first function disk to rotate. The brake disc is disposed on at least one side of the outer peripheral surface of the first rotating shaft or the first functional disc. The brake disc drive assembly can adjust the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first functional disc, thereby providing the desired damping for the rotation of the first rotating shaft. The brake disc is a frame structure that is clamped on the circumferential surface of the first rotating shaft or the first functional disc, and the frame structure has a brake disc opening that allows it to open up and down. The brake disc drive assembly has a fastener, which is provided at least at one end of the brake disc opening. The fastener allows adjustment of the force applied to the brake disc, thereby changing the clamping force applied by the brake disc to the first rotating shaft and the first functional disc, and achieving the effect of adjusting the tightness of the fit between the brake disc and the outer peripheral surface of the first rotating shaft or the first functional disc, thus providing the desired damping for the rotation of the first rotating shaft.

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