Control part and endoscope thereof

Abstract

The invention relates to a control part and an endoscope thereof, belongs to the technical field of endoscopes, and is used for controlling a snake bone assembly at the front end of the endoscope and 360-degree omnibearing observation under pitching and left-right deflection. Each of the three sections of adjusting snake bones comprises a snake bone main body, and an adjusting device for adjusting an angle is mounted in each snake bone main body; the traction rope is used for connecting the adjusting device and the two operating devices; the linkage modes of a single operating device are seven, linkage of the two operating devices and mutual combination of the seven modes of the two operating devices can be achieved through the linkage mechanism, 49 adjusting modes in total are achieved, independent or multiple adjusting operations of the three snake bone bodies are effectively achieved, pitching and left-right four-direction deflection of the snake bone assembly are controlled, and the operation efficiency is improved. And according to the rotating direction within the 360-degree range in the X / Y plane and the bending angle of the snake bone, a target can be flexibly found, and an organ needing to be peeped or a changed part can be quickly and accurately pointed.

Description

Technical Field

[0001] The present invention relates to the technical field of endoscopes, and in particular to a control unit and an endoscope thereof. Background Art

[0002] An endoscope is a precision medical instrument that consists of an image sensor, optical lens, light source, water vapor control and other systems. It enters the human body cavity through natural orifices such as the mouth or a small incision made by surgery for observation and treatment. When used, the endoscope is introduced into the pre-examination organ to directly observe the changes in the relevant organs or parts. With the help of an endoscope, doctors can see lesions that other medical equipment such as X-rays cannot display, greatly improving diagnostic capabilities. Therefore, the accuracy and convenience of the control of the snake bone part in the endoscope are the key to the use of endoscopes.

[0003] There are various types of endoscopes currently available, which can be divided into anoscopes, esophageal endoscopes, etc. according to the application sites, to observe the corresponding parts of the human body. In general, the existing endoscopes mainly include two types of control modes. One is to only support two-way bending control, and the front end of the snake bone is controlled by the handle to achieve bending in two directions. However, due to the wide-angle limitation of the image sensor, it is impossible to directly observe the tissue 360° in all directions; when the target part is not within the field of view, the operator needs to manually twist the handle to adjust the angle of the front end of the snake bone to achieve this; therefore, the disadvantage of the two-way bending control mode is that the angle twisting direction is unclear, the operation is cumbersome, non-intuitive, and inconvenient. Summary of the invention

[0004] The present invention aims to solve the above technical problems and provide a control unit for an endoscope and an endoscope thereof which are simple to operate, utilize mechanical transmission to perform 360° all-round observation, are flexible and reliable to operate, and are intuitive and convenient.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is:

[0006] A control unit is used to control the snake bone assembly at the front end of the endoscope, and to observe 360 ​​degrees in all directions under pitch and left and right deflection. The control unit includes multiple groups of traction ropes and mirror-set operating devices;

[0007] The snake bone assembly includes three sections of adjustable snake bones connected in sequence, each of the three sections of the adjustable snake bones includes a snake bone body and an adjusting device for adjusting the angle is installed in each of the snake bone bodies;

[0008] The traction rope is used to connect the adjustment device and the two operating devices;

[0009] The two operating devices each include a handle, a connecting tube in the handle, and a first rotating wheel, a second rotating wheel, and a third rotating wheel rotatable outside the connecting tube and connected to a traction rope, a rotating rod driving the first rotating wheel to rotate is installed in the connecting tube, a driving device driving the first rotating wheel or the second rotating wheel or the second rotating wheel and the third rotating wheel to rotate simultaneously is also installed in the connecting tube, and a coaxial rotating device for realizing linkage between the rotating rod and the driving device is also installed in the connecting tube;

[0010] A linkage mechanism for realizing linkage is installed between the two operating devices.

[0011] Preferably, the snake bone body includes a protective hose and a connecting block inside the protective hose, multiple groups of airbag columns are installed on the upper end of the protective hose, and the airbag columns connect two adjacent protective hoses, and elastic cloth is installed between the multiple groups of airbag columns and at both ends of the two protective hoses.

[0012] Preferably, the adjusting device includes a supporting hose, a first movable half ring and a second movable half ring, the first movable half ring and the second movable half ring are slidably mounted on a connecting block, connecting rods are hinged at both ends of the first movable half ring and the second movable half ring and the other end of the connecting rod is connected to the supporting hose, there are 6 traction ropes and they are divided into three groups, each group of two traction ropes are respectively connected to one side of the corresponding two connecting rods and the other end of the traction rope is connected to the first rotating wheel, the second rotating wheel and the third rotating wheel.

[0013] Preferably, the first movable half ring and the second movable half ring are arranged in a cross-staggered manner, and a sliding hole for cooperating with the first movable half ring and the second movable half ring to slide is provided on the connecting block.

[0014] Preferably, the connecting tube includes a fixed tube for fixing the handle, a rotating tube for bearing-connecting the handle, and a linkage tube; the first rotating wheel is fixedly connected to the outside of the rotating tube; limiting tubes are installed inside the second rotating wheel and the third rotating wheel; the second rotating wheel is installed between the rotating tube and the linkage tube through the limiting tube and the bearing; the third rotating wheel is installed between the fixed tube and the linkage tube through the limiting tube and the bearing; one end of the rotating rod is connected to the rotating tube to drive the first rotating wheel to rotate.

[0015] Preferably, the driving device includes a sliding tube between the rotating rod and the limit block slidably connected to the outside of the sliding tube, a fixed plate is installed on the outside of the sliding tube and between the two limit blocks, multiple groups of limit rods are installed at both ends of the fixed plate and the limit rods pass through the limit blocks, a first adjustment spring and a second adjustment spring are installed on the outside of the limit rod and between the two limit blocks, a groove is provided inside the outer side of the limit block, a spring sheet is installed in the groove, and a slot for cooperating with the spring sheet is provided on the inner wall of the limit tube.

[0016] Preferably, a sliding hole for cooperating with the sliding tube and the limiting rod to slide is provided on the limiting block.

[0017] Preferably, the coaxial rotation device includes a moving rod slidably connected in the rotating rod and support blocks arranged on both sides of one end of the moving rod, and the support blocks extend into the connecting tube. The rotating rod is provided with a sliding groove for cooperating with the support block. The outer side of the support block is hinged with an automatic return arm, and a block is installed in the arm. Multiple groups of matching chucks are installed at one end of the limit rod close to the arm, and the outer side of the chuck is provided with a limiting groove for cooperating with the block.

[0018] Preferably, the linkage mechanism includes a stepping bolt and a return frame which are threadedly connected to the handle, a linkage rod is installed on the internal bearing of the return frame, both ends of the linkage rod are installed with abutment blocks, the opposite surfaces of the two rotating tubes are provided with locking grooves for locking with the abutment blocks downwards, a ball is installed on the lower end of the stepping bolt, a movable groove is provided on the upper end of the return frame and the ball is located in the movable groove.

[0019] A second aspect of the present invention provides an endoscope.

[0020] The endoscope of the present invention comprises the control unit described in any one of the technical solutions of the present invention.

[0021] After adopting the above structure, the present invention has the following advantages:

[0022] 1: There are 7 linkage modes for a single operating device of the present invention. Through the linkage mechanism, the linkage of two operating devices can be realized, and the two 7 modes can be combined with each other, with a total of 49 adjustment modes, which can effectively realize the single or multiple adjustment operations of the three snake bone bodies, control the pitch and left and right four-way deflection of the snake bone components, the rotation direction within the range of 360° in the X / Y plane and the size of the snake bone bending angle, flexibly find the target, and quickly and accurately point to the organ or the changed part that needs to be peeped;

[0023] 2: The control part of the present invention not only solves the shortcomings of the two-way bending control mode, namely, the unclear angle twisting direction, cumbersome, non-intuitive and inconvenient operation, but also reduces the production cost of the endoscope handle, reduces the economic burden of patients who need to use the endoscope, and also reduces the space occupied by the control part in the axial direction of the endoscope handle, which is conducive to the miniaturization of the split endoscope handle;

[0024] 3: The present invention realizes two sets of adjustment modes through the linkage mechanism. Different working modes can adjust the three snake bone bodies individually or together. At the same time, such a concise and ingenious design makes the assembly of the endoscope handle less difficult, which is conducive to improving the production efficiency of the endoscope handle.

[0025] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic diagram of the structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the structure of the snake bone assembly of the present invention;

[0029] Figure 3 is a connection exploded diagram of the regulating device of the present invention;

[0030] Figure 4 It is a structural schematic diagram of the sliding hole of the present invention;

[0031] Figure 5 It is a schematic diagram of the structure of the operating device of the present invention;

[0032] Figure 6 is an enlarged schematic diagram of point A of the present invention;

[0033] Figure 7 is an exploded schematic diagram of the operating device of the present invention;

[0034] Figure 8 It is a schematic diagram of the structure of the driving device of the present invention;

[0035] Fig. 9 It is a connection schematic diagram of the coaxial rotating device of the present invention;

[0036] Fig.10 is a schematic diagram of the rotation of the first rotating wheel of the present invention;

[0037] Fig.11 is a schematic diagram of the rotation of the second rotating wheel of the present invention;

[0038] Fig.12 is a schematic diagram of the rotation of the second rotating wheel and the third rotating wheel of the present invention;

[0039] Fig.13 It is a schematic structural diagram of the rotation of the first rotating wheel, the second rotating wheel and the third rotating wheel of the present invention;

[0040] Fig.14 is a schematic diagram of the coaxial rotating device of the present invention when it is not working;

[0041] Fig.15 It is a schematic diagram of the operation of the coaxial rotating device of the present invention.

[0042] As shown in the figure: 1. Snake bone body; 101. Protective hose; 102. Connecting block; 103. Airbag column; 104. Elastic cloth; 105. Sliding hole; 2. Adjusting device; 201. Support hose; 202. First movable half ring; 203. Second movable half ring; 204. Connecting rod; 3. Operating device; 301. First rotating wheel; 302. Second rotating wheel; 303. Third rotating wheel; 4. Traction rope; 5. Linking mechanism; 501. Stepping bolt; 502. Return frame; 503. Linking rod; 504. Block; 505. Sphere; 6. Connecting tube; 601. Fixed tube; 602. Rotating tube; 603. Interlocking tube; 7. Rotating rod; 8. Driving device; 801. Sliding tube; 802. Limiting block; 803. Fixed plate; 804. Limiting rod; 805. First adjusting spring; 806. Second adjusting spring; 807. Shrapnel; 9. Coaxial rotating device; 901. Moving rod; 902. Support block; 903. Sliding groove; 904. Clamp arm; 905. Clamp block; 10. Limiting tube; 11. Clamping groove; 12. Chuck; 13. Limiting groove; 14. Locking groove. DETAILED DESCRIPTION

[0043] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0044] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] The present invention is further described in detail below in conjunction with the full text.

[0046] Combined with Figure 1-Figure 15 , an endoscope and a control unit provided by an embodiment of the present invention are described. An endoscope, such as Figure 1 and Figure 2As shown, the endoscope includes a handle and a snake assembly, and a control unit is installed in the handle. The control unit is used to control the snake assembly at the front end of the endoscope and to observe 360° in all directions under pitch and left and right deflection. The control unit includes multiple groups of traction ropes 4 and mirror-arranged operating devices 3.

[0047] When the present invention is specifically implemented, Figure 1-Figure 3 As shown, the snake bone assembly includes three sections of adjustable snake bones connected in sequence, the snake bone body 1 includes a protective hose 101 and a connecting block 102 in the protective hose 101, multiple groups of airbag columns 103 are installed on the upper end of the protective hose 101, and the airbag columns 103 connect two adjacent protective hoses 101, and elastic cloth 104 is installed between the multiple groups of airbag columns 103 and at both ends of the two protective hoses 101, and the elastic cloth 104, the protective hose 101 and the airbag columns 103 play a role in supporting the snake bone assembly, and when adjusting, they can move in multiple directions or angles because they are all elastic or gas. An extended hose is connected between the snake bone assembly and the handle, and the extended hose is an intermediate connection. The extended hose is a prior art and will not be described here. The line is connected to the snake bone assembly through the extended hose, and a universal hole for matching the line is provided on the connecting block 102. The upper end of the airbag column 103 of the first section of the snake bone body 1 is connected to a guard plate, on which observation elements such as a camera are installed. This is a prior art. After being inserted into the human body, an endoscope is introduced into the pre-inspected organ to directly observe changes in the relevant organs or parts.

[0048] When the present invention is specifically implemented, Figure 2 and Figure 3 As shown, the three sections of adjustable snake bones all include a snake bone body 1 and an adjusting device 2 for adjusting the angle is installed in each of the snake bone bodies 1, the adjusting device 2 includes a supporting hose 201, a first movable half ring 202 and a second movable half ring 203, the supporting hose 201 is connected to the corresponding connecting block 102, and the supporting hose 201 of the first section of the snake bone body 1 is connected to the guard plate.

[0049] Specifically, the first movable half ring 202 and the second movable half ring 203 are slidably installed on the connecting block 102, and connecting rods 204 are hinged on both ends of the first movable half ring 202 and the second movable half ring 203, and the other end of the connecting rod 204 is connected to the supporting hose 201. The first movable half ring 202 and the second movable half ring 203 are arranged in a cross-staggered manner, and a sliding hole 105 for cooperating with the sliding of the first movable half ring 202 and the second movable half ring 203 is provided on the connecting block 102. The first movable half ring 202 and the second movable half ring 203 can move in the sliding hole 105 under the action of external force, thereby driving the corresponding snake bone body 1 to adjust the angle. Each group of two traction ropes 4 is respectively connected to one side of the corresponding two connecting rods 204 and the other end of the traction rope 4 is connected to the first rotating wheel 301, the second rotating wheel 302 or the third rotating wheel 303. There are 6 traction ropes 4 and they are divided into three groups. Specifically, the two traction ropes 4 in each group are connected to one side of the two connecting rods 204 of the corresponding adjusting device 2, and the other ends of the two traction ropes 4 are respectively connected to the first rotating wheel 301, the second rotating wheel 302 or the third rotating wheel 303 of the two operating devices 3. The three adjusting devices 2, the three groups of traction ropes 4 and the two first rotating wheels 301, the second rotating wheel 302 and the third rotating wheel 303 of the two operating devices correspond one to one.

[0050] Specifically, the traction rope 4 is made of an elastic rope, and the traction rope 4 plays the role of stretching and supporting.

[0051] When the present invention is specifically implemented, Figure 3 , Figure 5 and Figure 7As shown, the traction rope 4 is used to connect the adjustment device 2 and the two operating devices 3. The two operating devices 3 include a handle, a connecting tube 6 in the handle, and a first rotating wheel 301, a second rotating wheel 302 and a third rotating wheel 303 rotatable outside the connecting tube 6 and connected to the traction rope 4. A rotating rod 7 for driving the first rotating wheel 301 to rotate is installed in the connecting tube 6. The connecting tube 6 includes a fixed tube 601 fixedly connected to the handle, a rotating tube 602 connected to the handle by a bearing, and a linkage tube 603. Specifically, the fixed tube 601, the rotating tube 602 and the linkage tube 603 are coaxially arranged. The linkage tube 603 is arranged between the fixed tube 601 and the rotating tube 602, and a gap is left between them. The first rotating wheel 301 is fixedly connected to the outside of the rotating tube 602, and the second rotating wheel 302 and the third rotating wheel 303 are both installed with a limiting tube 10. The second rotating wheel 302 is installed between the rotating tube 602 and the interlocking tube 603 through the limiting tube 10 and the bearing, and the third rotating wheel 303 is installed between the fixed tube 601 and the interlocking tube 603 through the limiting tube 10 and the bearing. One end of the rotating rod 7 is connected to the first rotating wheel 301 to drive the rotating tube 602 to rotate. The second rotating wheel 302 and the third rotating wheel 303 are connected to the outside of the connecting tube 6 through two limiting tubes 10 and four bearings, which can realize the rotation of the first rotating wheel 301, the second rotating wheel 302 or the third rotating wheel 303. One end of the rotating rod 7 is connected to the rotating tube 602, and the rotating tube 602 is connected to the handle through the bearing. The rotation of the rotating rod 7 can drive the third rotating wheel 303 outside the rotating tube 602 to rotate, thereby driving the traction rope 4 to move.

[0052] The function of the connecting pipe 6 of the present invention is:

[0053] 1: Connect the first rotating wheel 301, the second rotating wheel 302 and the third rotating wheel 303, and realize coaxial arrangement;

[0054] 2: Through the bearing and the connecting tube 6, the first rotating wheel 301, the second rotating wheel 302 and the third rotating wheel 303 can rotate independently, which provides a favorable operating space for the subsequent control of the snake bone assembly at the front end of the endoscope and 360° all-round observation under pitch and left and right deflection.

[0055] When the present invention is specifically implemented, Figure 7 , Figure 8 , Fig.10 , Fig.11 and Fig.12As shown, a driving device 8 for driving the first rotating wheel 301 or the second rotating wheel 302 or the second rotating wheel 302 and the third rotating wheel 303 to rotate simultaneously is also installed in the connecting tube 6, and the driving device 8 includes a sliding tube 801 between the rotating rod 7 and the connecting tube 6, and a limit block 802 slidably connected to the outside of the sliding tube 801, a fixed disk 803 is installed on the outside of the sliding tube 801 and between the two limit blocks 802, multiple groups of limit rods 804 are installed at both ends of the fixed disk 803, and the limit rods 804 pass through the limit blocks 802, and a first adjustment spring 805 and a second adjustment spring 806 are installed on the outside of the limit rod 804 and between the two limit blocks 802, a groove is provided inside the outer side of the limit block 802, and a spring 807 is installed in the groove, a slot 11 used to cooperate with the spring 807 is provided on the inner wall of the limit tube 10, and a sliding hole for cooperating with the sliding tube 801 and the limit rod 804 to slide is provided on the limit block 802.

[0056] When the present invention is implemented, the elastic forces of the first adjusting spring 805 and the second adjusting spring 806 are different, and the telescopic force of the first adjusting spring 805 is greater than the telescopic force of the second adjusting spring 806, that is, when the fixed plate 803 moves to the left, the second adjusting spring 806 is compressed, the first adjusting spring 805 is stretched, and the first adjusting spring 805 will drive the adjacent limit block 802 to move. At this time, the second adjusting spring 806 continues to be in a compressed state and cannot push the limit block 802 adjacent to the second adjusting spring 806 to move (the spring piece 807 at this time is greater than the compression force of the second adjusting spring 806). The spring piece 807 on the limit block 802 adjacent to the first adjusting spring 805 will move and be stuck in the slot 11, so that the driving device 8 is connected to the second rotating wheel 302, as shown in FIG. Fig.11 As shown;

[0057] When the fixed plate 803 is continuously pulled to move to the left, the first adjusting spring 805 is stretched, because the spring piece 807 on the adjacent limiting block 802 is stuck in the card slot 11, realizing resistance, the fixed plate 803 will push the second adjusting spring 806 to move, so that the spring piece 807 on the limiting block 802 adjacent to the second adjusting spring 806 is stuck in the card slot 11, realizing that the driving device 8 is connected to the third rotating wheel 303 and the second rotating wheel 302, as shown in FIG. Fig.12 shown.

[0058] In the specific implementation of the present invention, one end of the spring piece 807 is connected to the card slot 11, and the other movable end is movably connected to the connecting tube 6. The spring piece 807 is a ">" structure, and the opening faces outward.

[0059] When the driving device 8 is connected to the third rotating wheel 303 and the second rotating wheel 302, the sliding tube 801 moves inward, driving the fixed plate 803 to move inward. Because the elastic forces of the first adjusting spring 805 and the second adjusting spring 806 are different, the limiting block 802 adjacent to the first adjusting spring 805 or the second adjusting spring 806 will be pushed to move into the connecting tube 6 first, and then the two limiting blocks 802 will be driven to move into the connecting tube 6 and unlocked, so that the driving device 8 is not connected to the third rotating wheel 303 and the second rotating wheel 302. Fig.10 shown.

[0060] When the present invention is designed, the rotation of the slide tube 801 of the driving device 8 will drive one or both of the third rotating wheel 303 and the second rotating wheel 302 to rotate. When driving the third rotating wheel 303 or the second rotating wheel 302 to rotate, the upper end of the spring piece 807 on one of the limit blocks 802 is located in the connecting tube 6, realizing resistance rotation. When the doctor is adjusting the rotation, the resistance is increased and fine-tuning can be performed. Compared with adjustment without resistance, a little bit of adjustment can be completed, which is convenient for finding the lesion location of the organ.

[0061] When the present invention is specifically implemented, Figure 7 , Fig. 9 , Fig.13 As shown, a coaxial rotating device 9 for realizing linkage between the rotating rod 7 and the driving device 8 is also installed in the connecting tube 6. The coaxial rotating device 9 includes a moving rod 901 slidably connected in the rotating rod 7 and support blocks 902 arranged on both sides of one end of the moving rod 901, and the support block 902 extends into the connecting tube 6. A sliding groove 903 for cooperating with the support block 902 is provided on the rotating rod 7. An automatic return clamping arm 904 is hinged on the outer side of the support block 902. Specifically, the clamping arm 904 can realize automatic return by a torsion spring. A rotating hole is provided on the clamping arm 904. A fixed shaft is provided on the support block 902. The clamping arm 904 is arranged on the rotating hole The outer side of the fixed shaft, and a torsion spring is installed between the rotating hole and the fixed shaft, one end of the torsion spring is fixedly connected to the fixed shaft, and the other end is connected to the inner wall of the rotating hole, so that the clamping arm 904 can realize automatic return through the torsion spring, and a clamping block 905 is installed in the clamping arm 904, and a chuck 12 for use with the multiple groups of limiting rods 804 is installed at one end close to the clamping arm 904, and a limiting groove 13 for use with the clamping block 905 is provided on the outer side of the chuck 12. The moving rod 901 can move in the slide groove 903 through the support block 902, and the clamping arm 904 approaches or moves away from the clamping disc 12, so that the clamping block 905 is stuck in the limiting groove 13 (locked state), such as Fig.13 As shown, or away from the chuck 12 (unlocked state), as Fig.10 shown.

[0062] The locked state enables the third rotating wheel 303 or the second rotating wheel 302 to be linked with the first rotating wheel 301 .

[0063] The unlocked state is that the third rotating wheel 303 or the second rotating wheel 302 is disconnected from the first rotating wheel 301 .

[0064] When the present invention is specifically implemented, Figure 5 , Figure 6 , Fig.14 and Fig.15 As shown, a linkage mechanism 5 for realizing linkage is installed between the two operating devices 3, and the linkage mechanism 5 includes a stepping bolt 501 and a return frame 502 which are threadedly connected to the handle, and a linkage rod 503 is installed on the internal bearing of the return frame 502, and a stop block 504 is installed at both ends of the linkage rod 503. The opposite surfaces of the two rotating tubes 602 are provided with a locking groove 14 for locking with the stop block 504 downward, and a ball 505 is installed at the lower end of the stepping bolt 501, and a movable groove is provided at the upper end of the return frame 502, and the ball 505 is located in the movable groove. In the groove, the stop block 504 is a polygonal structure, and the locking groove 14 is used in conjunction with the stop block 504. When the stop block 504 moves downwardly toward the locking groove 14, the stop block 504 is stuck on the locking groove 14. Because of the polygon, locking can be achieved. Specifically, the stop block 504 and the connecting rod 503 are eccentrically arranged. When the stop block 504 moves downwardly toward the locking groove 14 to achieve locking, the connecting rod 503 and the connecting tube 6 are coaxial, and the third rotating wheel 303, the second rotating wheel 302, and the first rotating wheel 301 on the two connecting tubes 6 can be rotated simultaneously.

[0065] In a specific implementation of the present invention, a rotating disk can be set on the outer side of the third rotating wheel 303, the second rotating wheel 302 and the first rotating wheel 301, and a rotating groove used to cooperate with the rotating disk is opened on the handle. The rotating disk is located in the rotating groove and can be rotated. In addition, a rotating handle is provided on the moving rod 901, the sliding tube 801 and the end of the rotating rod away from the handle for rotation or pulling, which can be operated quickly.

[0066] The present invention realizes two groups of adjustment modes through the linkage mechanism 5:

[0067] 1. The linkage mechanism 5 can realize the linkage of the first rotating wheel 301, the second rotating wheel 302 or the third rotating wheel 303 of the two operating devices 3. When the linkage is realized, the two traction ropes 4 of the adjustment device 2 can work simultaneously, such as Figure 3 and Figure 4 As shown, the traction rope 4 is pulled by force to drive the connecting rod 204 to hinge and rotate, and the second movable half ring 203 slides and adjusts in the sliding hole 105, and drives the single snake bone body 1 to adjust through the supporting hose 201. Similarly, the three snake bone bodies 1 can be adjusted individually or together.

[0068] 2. When the linkage mechanism 5 is not working, the first rotating wheel 301, the second rotating wheel 302 or the third rotating wheel 303 of the two operating devices 3 can work independently, so that the two traction ropes 4 of the adjustment device 2 can work independently, such as Figure 3 and Figure 4 As shown, a traction rope 4 is pulled by force to rotate the connecting rod 204, thereby driving the first movable half ring 202 to slide and adjust in the sliding hole 105, and the connecting rod 204 on the second movable half ring 203 is hinged and rotated to adjust, and the single snake bone body 1 is driven to rotate through the supporting hose 201. Similarly, the three snake bone bodies 1 can be adjusted individually or together.

[0069] In summary, the linkage mechanism 5 can realize the linkage of the two operating devices 3, and the adjusting device 2 can change the downward or left-right adjustment of a single or multiple snake bone bodies 1.

[0070] In the specific implementation of the present invention, the mirror-image operating device 3 realizes simultaneous or separate rotation of the first rotating wheel 301, the second rotating wheel 302 and the third rotating wheel 303 through the linkage between the linkage mechanism 5, the driving device 8 and the rotating rod 7.

[0071] Specifically, the linkage mode of a single operating device is shown in the following table:

[0072]

[0073] In summary, there are 7 linkage modes for a single operating device. Through the linkage mechanism 5, the linkage of two operating devices 3 can be realized, and the two 7 modes can be combined with each other, totaling 49 adjustment modes, effectively realizing the individual or multiple adjustment operations of the three snake bone bodies 1, controlling the pitch and left and right four-way deflection of the snake bone components, the rotation direction within the range of 360° in the X / Y plane and the size of the snake bone bending angle, flexibly finding the target, and quickly and accurately pointing to the organ or changed part that needs to be peeked.

[0074] The control part of the embodiment of the present application not only solves the shortcomings of the two-way bending control mode, namely, the unclear angle twisting direction, complicated, non-intuitive and inconvenient operation, but also reduces the production cost of the endoscope handle, reduces the economic burden of patients who need to use an endoscope, and reduces the space occupied by the control part in the axial direction of the endoscope handle, which is conducive to the miniaturization of the split endoscope handle; at the same time, such a streamlined and ingenious design method makes the assembly of the endoscope handle less difficult, which is conducive to improving the production efficiency of the endoscope handle.

[0075] An embodiment of the present application also provides an endoscope, comprising the aforementioned control unit.

[0076] The present invention and its embodiments are described above, and such description is not restrictive. What is shown in the full text is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A control unit for controlling the snake assembly at the front end of an endoscope, and for 360° all-round observation under pitch and left and right deflection, characterized in that: The control unit includes a plurality of groups of traction ropes (4) and operating devices (3) arranged in a mirror image; The snake bone assembly comprises three sections of adjustable snake bones connected in sequence, each of the three sections of the adjustable snake bones comprising a snake bone body (1) and an adjusting device (2) for adjusting the angle installed in each of the snake bone bodies (1); The traction rope (4) is used to connect the adjustment device (2) and the two operating devices (3); The two operating devices (3) each comprise a handle, a connecting tube (6) in the handle, and a first rotating wheel (301), a second rotating wheel (302), and a third rotating wheel (303) rotatably connected to the traction rope (4) on the outside of the connecting tube (6); a rotating rod (7) for driving the first rotating wheel (301) to rotate is installed in the connecting tube (6); a driving device (8) for driving the first rotating wheel (301) or the second rotating wheel (302) or the second rotating wheel (302) and the third rotating wheel (303) to rotate simultaneously is also installed in the connecting tube (6); a coaxial rotating device (9) for realizing linkage between the rotating rod (7) and the driving device (8) is also installed in the connecting tube (6); A linkage mechanism (5) for achieving linkage is installed between the two operating devices (3).

2. A control unit according to claim 1, characterized in that: The snake bone body (1) comprises a protective hose (101) and a connecting block (102) inside the protective hose (101); a plurality of groups of airbag columns (103) are installed at the upper end of the protective hose (101), and the airbag columns (103) connect two adjacent protective hoses (101); elastic cloth (104) is installed between the plurality of groups of airbag columns (103) and at both ends of the two protective hoses (101).

3. A control unit according to claim 2, characterized in that: The adjusting device (2) comprises a supporting hose (201), a first movable half ring (202) and a second movable half ring (203), wherein the first movable half ring (202) and the second movable half ring (203) are slidably mounted on a connecting block (102), and connecting rods (204) are hinged at both ends of the first movable half ring (202) and the second movable half ring (203), and the other end of the connecting rod (204) is connected to the supporting hose (201), and the traction ropes (4) are 6 in number and are arranged in three groups, wherein the two traction ropes (4) in each group are respectively connected to one side of the corresponding two connecting rods (204), and the other end of the traction rope (4) is connected to the first rotating wheel (301), the second rotating wheel (302) and the third rotating wheel (303).

4. A control unit according to claim 3, characterized in that: The first movable half ring (202) and the second movable half ring (203) are arranged in a cross-staggered manner, and the connecting block (102) is provided with a sliding hole (105) for cooperating with the first movable half ring (202) and the second movable half ring (203) to slide.

5. The control unit according to claim 1, characterized in that: The connecting tube (6) comprises a fixed tube (601) for fixing a handle, a rotating tube (602) for connecting the handle with a bearing, and a linkage tube (603); the first rotating wheel (301) is fixedly connected to the outer side of the rotating tube (602); the second rotating wheel (302) and the third rotating wheel (303) are both installed with a limiting tube (10); the second rotating wheel (302) is installed between the rotating tube (602) and the linkage tube (603) through the limiting tube (10) and the bearing; the third rotating wheel (303) is installed between the fixed tube (601) and the linkage tube (603) through the limiting tube (10) and the bearing; one end of the rotating rod (7) is connected to the rotating tube (602) to drive the second rotating wheel (302) to rotate.

6. A control unit according to claim 5, characterized in that: The driving device (8) comprises a sliding tube (801) between the rotating rod (7) and the connecting tube (6), and two limit blocks (802) slidably connected on the outer side of the sliding tube (801); a fixed plate (803) is installed on the outer side of the sliding tube (801) and between the two limit blocks (802); a plurality of groups of limit rods (804) are installed at both ends of the fixed plate (803), and the limit rods (804) penetrate the limit blocks (802); a first adjustment spring (805) and a second adjustment spring (806) are installed on the outer side of the limit rods (804) and between the two limit blocks (802); a groove is provided inside the outer side of the limit block (802), and a spring sheet (807) is installed in the groove; and a slot (11) used to cooperate with the spring sheet (807) is provided on the inner wall of the limit tube (10).

7. A control unit according to claim 6, characterized in that: The limiting block (802) is provided with a sliding hole for cooperating with the sliding tube (801) and the limiting rod (804) to slide.

8. The control unit according to claim 6, characterized in that: The coaxial rotating device (9) comprises a moving rod (901) slidably connected in the rotating rod (7) and a support block (902) arranged on both sides of one end of the moving rod (901), and the support block (902) extends into the connecting tube (6); a sliding groove (903) for cooperating with the support block (902) is provided on the rotating rod (7); an automatic return clamping arm (904) is hinged on the outer side of the support block (902); a clamping block (905) is installed in the clamping arm (904); a plurality of groups of the limiting rods (804) are installed with a clamping disk (12) for cooperating with the clamping arm (904); and a limiting groove (13) for cooperating with the clamping block (905) is provided on the outer side of the clamping disk (12).

9. The control unit according to claim 5, characterized in that: The linkage mechanism (5) comprises a stepping bolt (501) threadedly connected to a handle and a return frame (502); a linkage rod (503) is installed on the internal bearing of the return frame (502); two ends of the linkage rod (503) are eccentrically installed with abutments (504); the opposite surfaces of the two rotating tubes (602) are provided with matching abutments (504) that press downward against a locking groove (14) for locking, and the rotating tube (602) and the linkage rod (503) are coaxially arranged; a ball (505) is installed at the lower end of the stepping bolt (501); a movable groove is provided at the upper end of the return frame (502) and the ball (505) is located in the movable groove.

10. An endoscope, characterized in that: The invention comprises the control unit as claimed in any one of claims 1 to 9.

Images