Cable support, cable fixing structure and endoscope
By using deformable beam wire pieces and redundant segment through the channel in the beam wire bracket of the endoscope, the problem of image transmission failure when rotating the rotary head is solved, and effective cable protection and stability of image transmission are achieved.
Patent Information
- Application Number
- CN202510001763.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2045-01-02
AI Technical Summary
When rotating the rotating head, the image transmission of the endoscope malfunctions, affecting the observation and diagnosis of the surgeon.
A wire brace is designed, including deformable wire brace pieces and through-passage channels, which include redundant segments to fix and protect the cables to avoid pulling stresses caused by the cables when the instrument tube or passive bending tube rotates.
By providing stretch redundancy and protecting the cable, the harness avoids cable damage, ensures normal image transmission and extends the cable life.
Smart Images
Figure CN119401311B_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of medical devices, and specifically relates to a wire harness bracket, a cable fixing structure and an endoscope. Background Art
[0002] An endoscope is a commonly used medical device, comprising an operating handle and an insertion part. The insertion part can enter the human body through a human cavity or a surgical incision. By turning the lever on the operating handle, the active bending section at the distal end of the insertion part can be driven to adjust its posture. The camera module at the distal end of the insertion part can observe the internal tissues of the human body, helping doctors determine the location of lesions in the patient's body and the tissue structure characteristics of the lesion location.
[0003] In the related art, the distal end of the operating handle is provided with a rotating head connected to the insertion part, and the direction of the distal end of the insertion part can be changed by rotating the rotating head, so that the camera module at the distal end of the insertion part faces different directions, which is convenient for lens insertion or observation. However, in practice, when the rotating head is rotated, image transmission may fail, affecting the observation and diagnosis of the surgeon. Summary of the invention
[0004] The purpose of the present application is to provide a cable bracket, a cable fixing structure and an endoscope, which can help solve the current problem that image transmission failure may occur when rotating the rotating head.
[0005] In order to solve the above technical problems, this application is implemented as follows:
[0006] In a first aspect, the present application provides a cable harness support, which is applied to an operating handle of an endoscope, and includes a cable harness, the cable harness is provided with a threading channel for threading a cable, the threading channel includes a redundant section, the distal end of the cable harness is used to connect with an instrument tube or a passive bending tube of the endoscope, and the proximal end of the cable harness is used to connect with a handle housing of the endoscope;
[0007] The wire harness is a deformable structural component, and the wire harness can be twisted and deformed following the rotation of the instrument tube or the passive bending tube.
[0008] In a second aspect, the present application provides a cable fixing structure, which is applied to an endoscope, and includes a handle housing, an endoscope component, and the above-mentioned cable tie bracket, wherein the endoscope component is connected to the distal end of the handle housing, and the proximal end of the endoscope component extends into the handle housing, the distal end of the cable tie is connected to the endoscope component, and the proximal end of the cable tie is connected to the handle housing;
[0009] The endoscope components are instrument tubes or passive bending tubes.
[0010] In a third aspect, the present application provides an endoscope, which includes the above-mentioned cable fixing structure.
[0011] The beneficial technical effects of this application are as follows:
[0012] When using the wiring harness of the present application, the distal end of the wiring harness can be connected to the instrument tube or the passive bending tube, the proximal end of the wiring harness can be connected to the handle shell, and the cable can be passed through the passing channel on the wiring harness. Since the passing channel includes a redundant section, after the cable is passed through the redundant section, the cable itself will be redundant, thereby providing tensile redundancy. In this way, even if the wiring harness and the cable are twisted with the rotation of the instrument tube or the passive bending tube, the redundant part of the cable will be pulled first, and no pulling stress will be generated inside the cable, thereby avoiding damage to the cable and ensuring normal transmission of the image.
[0013] In addition, since the cables are passed through the passing channel, the cable tie can provide protection for the cables. Therefore, even if the cable tie and the cables are twisted and move relative to the handle housing and the components therein, the cable tie can prevent the twisted cables from directly contacting the handle housing and the components therein, thereby preventing this part of the cable from being worn; and the cable tie can also constrain the cables so that the torsional deformation path of the cables is consistent with that of the cable tie, that is, the torsional deformation path of the cables is controllable, which can prevent multiple cables from being entangled and disturbing each other, and prevent the cables from being twisted and over-fatigued due to disordered torsion, which helps to extend the life of the cables. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the endoscope disclosed in the embodiment of the present application;
[0015] Figure 2 A schematic diagram of a portion of the structure of an endoscope disclosed in an embodiment of the present application;
[0016] Figure 3 It is a schematic diagram of the structure of the cable support disclosed in the embodiment of the present application;
[0017] Figure 4 An exploded schematic diagram of a cable tie bracket disclosed in an embodiment of the present application;
[0018] Figure 5 For this application Figure 4 The enlarged schematic diagram of point A in the middle;
[0019] Figure 6 A cross-sectional view of the cable tie bracket after a portion of the structure of the cable tie component disclosed in the embodiment of the present application is cut open;
[0020] Figure 7 For this application Figure 6 The enlarged schematic diagram of point B in the middle;
[0021] Figure 8 It is a schematic structural diagram of a cable tie bracket disclosed in another embodiment of the present application.
[0022] Description of reference numerals:
[0023] 100, wire harness; 110, threading channel; 111, redundant section; 120, redundant part; 130, threading opening; 200, first fixing ring; 201, gap; 210, first channel; 211, first threading position; 212, first glue storage position; 220, barrier structure; 230, first part; 240, second part; 250, elastic plate; 260, glue injection hole; 270, groove; 300, second fixing ring; 320, second channel; 400, operating handle; 410, handle housing; 510, instrument tube; 520, passive bending tube; 530, rotating head; 600, insertion part. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0025] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.
[0026] The following is a detailed description of the wiring bracket, cable fixing structure and endoscope provided in the embodiments of the present application through specific embodiments and their application scenarios in conjunction with the accompanying drawings.
[0027] In each embodiment of the present application, "proximal end" and "distal end" refer to the position of the endoscope and its components relative to the user in the use environment, wherein the end closer to the user is designated as the "proximal end" and the end farther from the user is designated as the "distal end".
[0028] The inventor discovered that a cable is connected to the camera module, and the proximal end of the cable extends toward the direction close to the operating handle, and passes through the insertion part from the gap between the proximal end of the passive bending tube and the proximal end of the instrument tube, and then enters the operating handle and connects with the circuit board in the operating handle. When the rotating head is rotated, the passive bending tube and the instrument tube in the insertion part will also rotate with it. Since the cable is arranged in the gap between the passive bending tube and the instrument tube, and the size of the gap is small, the cable will contact the passive bending tube or the instrument tube, causing the cable to twist with the rotation of the instrument tube or the passive bending tube, which will cause the cable in the operating handle to be pulled, thereby generating tensile stress inside the cable, causing the cable to be damaged. Obviously, this may cause image transmission failure and affect the observation and diagnosis of the surgeon.
[0029] like Figures 1 to 8 As shown, an embodiment of the present application discloses a wire harness bracket, which is applied to an operating handle 400 of an endoscope, including a wire harness component 100. The wire harness component 100 is provided with a threading channel 110 for threading cables, and the threading channel 110 includes a redundant section 111. The distal end of the wire harness component 100 is used to be connected to an instrument tube 510 or a passive bending tube 520 of the endoscope. The instrument tube 510 here is used to pass surgical instruments, or can also be used as a suction channel, and the passive bending tube 520 is connected to the active bending section of the endoscope. The passive bending tube 520 can be deformed to adapt to the shape of a human body cavity, and the proximal end of the wire harness component 100 is used to be connected to a handle housing 410 of the endoscope. Exemplarily, the proximal end of the wire harness component 100 here can be directly connected to the handle housing 410, and can also be indirectly connected to the handle housing 410 through components in the handle housing 410.
[0030] Specifically, since the proximal end of the wiring harness 100 is fixed to the handle housing 410, which is a fixed component, and the distal end of the wiring harness 100 is fixed to the instrument tube 510 or the passive bending tube 520, which is rotatable relative to the handle housing 410, the wiring harness 100 will be twisted and deformed when the instrument tube 510 or the passive bending tube 520 rotates.
[0031] The cable tie 100 is a deformable structural member. Exemplarily, the cable tie 100 can be made of an elastic material or a flexible material. The cable tie 100 can be twisted and deformed following the rotation of the instrument tube 510 or the passive bending tube 520. The cross-sectional shape of the cable tie 100 can be circular, square, etc., and the present application does not limit its shape. In some embodiments, the outer contour of the cross-section of the cable tie 100 includes an arc segment and a flat plate segment, and a penetration channel 110 is formed in the arc segment. The flat plate segment blocks the penetration channel 110, and the penetration opening 130 described below can be set on the flat plate segment. When the wire harness bracket of the present embodiment is connected to the passive bending tube 520, the flat section can be made to face the instrument tube 510, which can make the wire harness 100 as a whole closer to the instrument tube 510, and thus make the cables passing through the wire harness 100 closer to the instrument tube 510, preventing the cables passing through between the instrument tube 510 and the passive bending tube 520 from bending outward, thereby eliminating the bends in the cables and keeping the cables as straight as possible.
[0032] When using the wiring harness 100 of the present application, the distal end of the wiring harness 100 can be connected to the instrument tube 510 or the passive bending tube 520, the proximal end of the wiring harness 100 can be connected to the handle housing 410, and the cable can be passed through the passing channel 110 on the wiring harness 100. Since the passing channel 110 includes a redundant section 111, after the cable is passed through the redundant section 111, the cable itself will be redundant, thereby providing tensile redundancy. In this way, even if the wiring harness 100 and the cable are twisted with the rotation of the instrument tube 510 or the passive bending tube 520, the redundant part of the cable will be pulled first, and no pulling stress will be generated inside the cable, thereby avoiding damage to the cable and ensuring normal transmission of the image.
[0033] In addition, since the cables are passed through the passing channel 110, the cable tie 100 can provide protection for the cables. Therefore, even if the cable tie 100 and the cables are twisted and move relative to the handle housing 410 and the components therein, the cable tie 100 can prevent the twisted cables from directly contacting the handle housing 410 and the components therein, thereby preventing the part of the cables from being worn. Moreover, the cable tie 100 can also constrain the cables so that the torsional deformation path of the cables is consistent with the cable tie 100, that is, the torsional deformation path of the cables is controllable, which can prevent multiple cables from being entangled and disturbing each other, and prevent the cables from being twisted and over-fatigued due to disordered twisting, which helps to extend the life of the cables.
[0034] In an alternative embodiment, see Figure 2 and Figure 3The wiring harness bracket also includes a first fixing ring 200 and a second fixing ring 300. The first fixing ring 200 is located proximal to the second fixing ring 300. Both ends of the wiring harness 100 are respectively connected to the first fixing ring 200 and the second fixing ring 300. The first fixing ring 200 is used to be sleeved with the instrument tube 510 or the passive bending tube 520, and the second fixing ring 300 is used to be connected to the handle housing 410.
[0035] In this embodiment, the first fixing ring 200 can be fixedly sleeved on the passive bending tube 520, and the second fixing ring 300 can be fixed to the handle housing 410, such as by gluing, hot-melt welding, etc. That is to say, the first fixing ring 200 can rotate relative to the second fixing ring 300, so that the cable tie 100 is twisted and deformed. By adding the first fixing ring 200 and the second fixing ring 300, the cable tie 100 is indirectly connected to the instrument tube 510 or the passive bending tube 520 through the first fixing ring 200, and the connection area and connection strength between the cable tie 100 and the instrument tube 510 or the passive bending tube 520 can be increased; by indirectly connecting the cable tie 100 to the handle housing 410 through the second fixing ring 300, the connection area and connection strength between the cable tie 100 and the handle housing 410 can be increased.
[0036] In an alternative embodiment, see Figure 3 The cable tie 100 includes a curved redundant portion 120, a redundant section 111 is provided at the redundant portion 120, the number of the cable tie 100 is at least two, at least two cable tie 100 are spaced apart along the circumference of the first fixing ring 200, and the angle between the ridge direction of each redundant portion 120 and the first rotation direction of the first fixing ring 200 is less than ninety degrees, such as forty-five degrees, thirty degrees, zero degrees, etc. Specifically, the first fixing ring 200 can rotate in two directions, such as clockwise or counterclockwise, and the first rotation direction here is one of the rotation directions of the first fixing ring 200, which can be clockwise or counterclockwise.
[0037] In this embodiment, the angle between the raised direction of each redundant part 120 and the first rotation direction of the first fixing ring 200 is less than ninety degrees. In this way, when the distal end of each wiring harness 100 follows the first fixing ring 200 to rotate along the first rotation direction, the distal end of the wiring harness 100 will move along the raised portion of the redundant part 120. At this time, the raised portion of each redundant part 120 applies the same resistance to the distal end of the corresponding wiring harness 100, thereby balancing the force on the first fixing ring 200. Similarly, when the distal end of each wiring harness 100 follows the first fixing ring 200 to rotate in the opposite direction of the first rotation direction, the distal end of the wiring harness 100 will move against the raised portion of the redundant part 120. At this time, the raised portion of each redundant part 120 applies the same resistance to the distal end of the corresponding wiring harness 100, thereby balancing the force on the first fixing ring 200.
[0038] Alternatively, in an alternative embodiment, see Figure 8 The cable tie 100 includes a curved redundant portion 120 , a redundant section 111 is disposed on the redundant portion 120 , and there are two cable tie assemblies 100 . The two cable tie assemblies 100 are respectively located on opposite sides of the first fixing ring 200 , and the bulging directions of the two redundant portions 120 are opposite.
[0039] In this embodiment, the raised directions of the two redundant parts 120 are opposite, so that no matter when the distal end of each wiring harness 100 follows the first fixing ring 200 to rotate along the first rotation direction or rotates in the opposite direction of the first rotation direction, the distal end of one of the two wiring harnesses 100 will move along the raised portion of the redundant part 120, and the distal end of the other will move against the raised portion of the redundant part 120. That is to say, when the first fixing ring 200 rotates along two different rotation directions, the total resistance applied by the two wiring harnesses 100 to the first fixing ring 200 is consistent, so that the damping experienced by the surgeon when twisting the rotating head 530 in different directions is consistent, which facilitates operation.
[0040] In an optional embodiment, the first fixing ring 200 has a first fixing position, and the second fixing ring 300 has a second fixing position, and both the first fixing position and the second fixing position are used to pass and fix the cable. Exemplarily, the connection between the cable and the first fixing ring 200 is hot-melt connection, knot connection, adhesive connection, etc., and the adhesive connection can be made by double-sided tape or glue. It should be noted that the first fixing position here can be the first glue storage position 212 described below, and the second fixing position can be the second glue storage position described below.
[0041] When using the cable holder of the present embodiment, the cables can be fixed to the first fixing position of the first fixing ring 200 and the second fixing position of the second fixing ring 300 respectively. This can not only enable the cables adjacent to the pipe opening of the instrument tube 510 or the pipe opening of the passive bending tube 520 to rotate with the first fixing ring 200, thereby preventing the cables from making relative movement with the above-mentioned pipe opening, thereby avoiding the cables from being worn due to friction with the pipe opening; but also can keep the direction of the cables passing through the second fixing ring 300 unchanged, thereby avoiding the cables from being worn due to movement relative to the handle housing 410 or other components.
[0042] In an alternative embodiment, see Figure 4 and Figure 5 The distal end of the cable tie 100 is connected to the proximal end surface of the first fixing ring 200. The first fixing ring 200 is provided with a first channel 210 which runs through the first fixing ring 200 along its own axis. The first channel 210 includes a first threading position 211 and a first glue storage position 212. The first threading position 211 is connected to the first glue storage position 212. The first threading position 211 is used for threading cables, and the first glue storage position 212 is used for containing glue. The first threading position 211 is arranged opposite to the threading channel 110.
[0043] In this embodiment, after the cable is passed through the first threading position 211, glue can be injected into the first glue storage position 212 to fix the cable to the first fixing ring 200, so that the cable adjacent to the pipe opening of the instrument tube 510 or the pipe opening of the passive bending tube 520 can be rotated with the first fixing ring 200 to prevent relative movement between this part of the cable and the above-mentioned pipe opening, thereby avoiding wear caused by friction between the cable and the pipe opening.
[0044] In some embodiments, see Figure 4 The distal end surface of the first fixing ring 200 is provided with a groove 270, which can be sleeved on the outside of the passive bending tube 520, and the first channel 210 mentioned above is connected with the groove 270. Further, the outer peripheral surface of the first fixing ring 200 is provided with a glue injection hole 260, and the glue injection hole 260 is connected with the groove 270. After the first fixing ring 200 is sleeved on the outside of the passive bending tube 520, glue can be injected into the glue injection hole 260 to glue the first fixing ring 200 to the passive bending tube 520.
[0045] In an alternative embodiment, see Figure 6 The proximal end of the wire harness 100 is connected to the distal end surface of the second fixing ring 300. The second fixing ring 300 is provided with a second channel 320 which runs through the second fixing ring 300 along its own axis. The second channel 320 includes a second threading position and a second glue storage position. The second threading position is connected to the second glue storage position. The second threading position is used for threading cables, and the second glue storage position is used for containing glue. The second threading position is arranged opposite to the threading channel 110.
[0046] In this embodiment, after the cable is passed through the second threading position, glue can be injected into the second glue storage position to fix the cable to the second fixing ring 300, so that the direction of the cable passing through the second fixing ring 300 remains unchanged, avoiding wear and tear caused by the movement of this part of the cable relative to the handle housing 410 or other components.
[0047] In an alternative embodiment, see Figures 5 to 7 A barrier structure 220 is formed at the proximal end of the first fixing ring 200 , and the barrier structure 220 is arranged opposite to the first glue storage position 212 and covers the first glue storage position 212 , a part of the penetration channel 110 is arranged opposite to the first threading position 211 , and another part of the penetration channel 110 is arranged opposite to the barrier structure 220 .
[0048] In this embodiment, the blocking structure 220 can block the glue to prevent the glue from flowing from the first glue storage position 212 into the penetration channel 110 to bond the cables in the penetration channel 110; and, please refer to Figure 7 Since the other part of the threading channel 110 is arranged opposite to the blocking structure 220, the blocking structure 220 will protrude from the inner wall of the threading channel 110, thereby forming a step structure together with the inner wall of the threading channel 110. The step structure can make the part of the cable adjacent to the step structure stay away from the inner wall of the threading channel 110, thereby forming an escape space between the threading channel 110 and the part of the cable. During the twisting process of the cable tie 100, the cable tie 100 may bend the cable. The escape space can provide an escape space for the bending of the cable. If there is no such escape space, the cable may be pushed to move axially when bent, causing the cable to pull its own glue fixing point, making the glue fixing point invalid, thereby failing to achieve the purpose of avoiding the wear of the cable due to friction with the pipe mouth, and / or failing to achieve the purpose of avoiding the wear of the cable due to movement relative to the handle housing 410 or other components.
[0049] In an alternative embodiment, see Figure 7 The outer surface of the cable harness 100 is provided with a through-hole 130, which extends along the extension direction of the through-hole 110 and is connected to the through-hole 110. The through-hole 130 is used to allow the cable to enter the through-hole 110, so that the entire cable can be loaded into the through-hole 110 from the side of the through-hole, so as to facilitate the installation of the cable. Of course, the side of the through-hole 110 may not have the through-hole 130, in which case the cable can be inserted from the end of the through-hole 110.
[0050] The direction extending from the penetration opening 130 to the penetration channel 110 ( Figure 7 In the direction indicated by the x-arrow line, the width of the through-hole 130 gradually decreases, and the edge of the through-hole 130 close to the through-hole 110 can be engaged with the cable.
[0051] In this embodiment, the width of the through opening 130 is Figure 7 The gradually decreasing direction indicated by the x-arrow line can better guide the cable into the threading channel 110; and this embodiment can make the thickness of the side wall (the first part 230 below) of the threading opening close to the threading channel 110 smaller, so that it has better deformability to form a buckle to clamp the cable, so that the cable can be stably constrained in the cable harness 100, and the deformation process of the cable can be controlled during the twisting of the first fixing ring 200.
[0052] In an alternative embodiment, see Figure 4 and Figure 7 The cable harness 100 includes a first portion 230 and a second portion 240, which are sequentially distributed along the direction extending from the insertion opening 130 to the insertion channel 110, the insertion opening 130 is provided at the first portion 230, the distal end of the second portion 240 is connected to the proximal end surface of the first fixing ring 200, and a gap 201 is provided between the distal end of the first portion 230 and the proximal end surface of the first fixing ring 200. Optionally, the first fixing ring 200 is provided with a first channel 210 which penetrates along its own axial direction, and the first channel 210 is arranged opposite to the insertion channel 110.
[0053] In this embodiment, the insertion opening 130 is provided in the first part 230, that is, the first part 230 can clamp the cable, and in the process of the cable being clamped into the insertion channel 110, the first part 230 needs to be deformed. Therefore, in this embodiment, the first part 230 is not connected to the first fixing ring 200, and a gap 201 is formed between the first part 230 and the first fixing ring 200, thereby reducing the rigidity of the first part 230 and improving the deformation ability of the first part 230, so that it is easier to make the cable clamped into the insertion channel 110.
[0054] And / or, in an optional embodiment, see Figure 5 , the distal end of the harness 100 is connected to the proximal end surface of the first fixing ring 200, the first fixing ring 200 is provided with a first channel 210 which penetrates along its own axial direction, the first channel 210 is arranged opposite to the penetration channel 110, the part of the first fixing ring 200 located between the first channel 210 and the inner hole of the first fixing ring 200 forms an elastic plate 250, and the two ends of the elastic plate 250 are respectively a fixed end and a movable end. Specifically, the fixed end here is the end where the elastic plate 250 is connected to the part of the first fixing ring 200 other than the elastic plate 250, and the movable end is the end where the elastic plate 250 is not connected to the part of the first fixing ring 200 other than the elastic plate 250.
[0055] In this embodiment, one of the plate surfaces of the elastic plate 250 is the inner wall of the first channel 210, and the other plate surface of the elastic plate 250 is the inner hole wall of the first fixing ring 200. By bending the movable end of the elastic plate 250 toward the direction close to the first channel 210 or the inner hole of the first fixing ring 200, a clearance opening can be formed between the movable end of the elastic plate 250 and the part of the first fixing ring 200 other than the elastic plate 250, and the cable can enter the first channel 210 through the clearance opening. After releasing the movable end of the elastic plate 250, the elastic plate 250 can restore the elastic deformation, lock the cable in the first channel 210, and prevent the cable from escaping from the first channel 210.
[0056] like Figure 2 As shown, the embodiment of the present application also discloses a cable fixing structure, which is applied to an endoscope, and includes a handle housing 410, an endoscope component, and a cable support bracket described in any of the above embodiments, the endoscope component is connected to the distal end of the handle housing 410, and the proximal end of the endoscope component extends into the handle housing 410, the distal end of the cable harness 100 is connected to the endoscope component, and the proximal end of the cable harness 100 is connected to the handle housing 410, and the endoscope component is an instrument tube 510 or a passive bending tube 520. Since the cable fixing structure of this embodiment includes the above-mentioned cable support bracket, the cable fixing structure has the beneficial effects of the above-mentioned cable support bracket, which will not be repeated here.
[0057] like Figure 1 As shown, the embodiment of the present application also discloses an endoscope, which includes the above-mentioned cable fixing structure. Optionally, the endoscope also includes an insertion part 600 and a rotating head 530, the insertion part 600 is connected to the handle housing 410, the insertion part 600 includes an instrument tube 510 and a passive bending tube 520, the instrument tube 510 is inserted into the passive bending tube 520, the rotating head 530 is rotatably arranged in the handle housing 410, the insertion part 600 is connected to the rotating head 530, and the rotation of the insertion part 600 can be controlled by the rotating head 530; it should be noted that the matching relationship between the rotating head 530, the operating handle 400 and the insertion part 600 here can be the same as the prior art, and the present application will no longer repeat the connection relationship and specific structure between the three.
[0058] Furthermore, the insertion portion 600 also includes an active bending section, which is connected to the distal end of the passive bending tube 520. The bending of the active bending section can be controlled by a traction wheel provided on the handle housing 410 and a traction rope connected to the traction wheel.
[0059] The endoscope referred to in the embodiments of the present application may be a bronchoscope, a pyeloscope, an esophagoscope, a gastroscope, a colonoscope, an otoscope, a rhinoscope, a stomatoscope, a laryngoscope, a colposcope, a laparoscope, an arthroscope, etc. The embodiments of the present application do not impose any specific restrictions on the type of endoscope.
[0060] The above embodiments of the present application focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the simplicity of the text, they will not be repeated here. The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present application, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present application and the claims, all of which are within the protection of the present application.
Claims
1. A cable support, applied to an operating handle (400) of an endoscope, characterized in that: The wire harness (100) comprises a wire harness component (100), the wire harness component (100) being provided with a threading channel (110) for threading a cable, the threading channel (110) comprising a redundant section (111), the distal end of the wire harness component (100) being used to connect to an instrument tube (510) or a passive bending tube (520) of an endoscope, and the proximal end of the wire harness component (100) being used to connect to a handle housing (410) of an endoscope; The wire harness (100) is a deformable structural component, and the wire harness (100) can be twisted and deformed following the rotation of the instrument tube (510) or the passive bending tube (520); The cable harness support further comprises a first fixing ring (200) and a second fixing ring (300); the first fixing ring (200) is located proximal to the second fixing ring (300); two ends of the cable harness component (100) are respectively connected to the first fixing ring (200) and the second fixing ring (300); the first fixing ring (200) is used for sleeve connection with the instrument tube (510) or the passive bending tube (520); and the second fixing ring (300) is used for connection with the handle housing (410); The cable tie (100) comprises a curved redundant portion (120), the redundant section (111) is arranged on the redundant portion (120), the number of the cable tie (100) is at least two, at least two of the cable tie (100) are spaced apart along the circumference of the first fixing ring (200), and the angle between the protrusion direction of each redundant portion (120) and the first rotation direction of the first fixing ring (200) is less than ninety degrees; or, The cable tie (100) comprises a curved redundant portion (120), the redundant section (111) being arranged on the redundant portion (120), the number of the cable tie (100) being two, the two cable tie (100) being respectively located on opposite sides of the first fixing ring (200), and the bulging directions of the two redundant portions (120) being opposite.
2. The cable support according to claim 1, characterized in that: The first fixing ring (200) has a first fixing position, and the second fixing ring (300) has a second fixing position, and the first fixing position and the second fixing position are both used to pass through and fix the cable.
3. The cable support according to claim 1, characterized in that: The distal end of the cable tie (100) is connected to the proximal end surface of the first fixing ring (200), and the first fixing ring (200) is provided with a first passage (210) penetrating along the axial direction thereof; The first channel (210) comprises a first threading position (211) and a first glue storage position (212); the first threading position (211) is connected to the first glue storage position (212); the first threading position (211) is used for threading cables; the first glue storage position (212) is used for containing glue; the first threading position (211) is arranged opposite to the threading channel (110).
4. The cable support according to claim 3, characterized in that: A barrier structure (220) is formed at the proximal end of the first fixing ring (200), and the barrier structure (220) is arranged opposite to the first glue storage position (212) and covers the first glue storage position (212); A portion of the threading channel (110) is disposed opposite to the first threading position (211), and another portion of the threading channel (110) is disposed opposite to the barrier structure (220).
5. The cable support according to claim 1, characterized in that: The outer surface of the cable harness (100) is provided with a through-hole (130), the through-hole (130) extends along the extension direction of the through-hole channel (110), and the through-hole (130) is communicated with the through-hole channel (110), and the through-hole (130) is used for allowing the cable to enter the through-hole channel (110); In a direction extending from the insertion opening (130) to the insertion channel (110), the width of the insertion opening (130) gradually decreases, and an edge of the insertion opening (130) close to the insertion channel (110) can be snap-fitted with the cable.
6. The cable support according to claim 5, characterized in that: The cable harness (100) comprises a first portion (230) and a second portion (240), the first portion (230) and the second portion (240) being sequentially distributed along a direction extending from the insertion opening (130) to the insertion channel (110), the insertion opening (130) being provided at the first portion (230), the distal end of the second portion (240) being connected to a proximal end surface of the first fixing ring (200), and a gap (201) being provided between the distal end of the first portion (230) and the proximal end surface of the first fixing ring (200); and / or, The distal end of the cable tie (100) is connected to the proximal end surface of the first fixing ring (200); the first fixing ring (200) is provided with a first channel (210) which penetrates along its own axial direction; the first channel (210) is arranged opposite to the penetration channel (110); the portion of the first fixing ring (200) located between the first channel (210) and the inner hole of the first fixing ring (200) forms an elastic plate (250); the two ends of the elastic plate (250) are respectively a fixed end and a movable end.
7. A cable fixing structure, applied to an endoscope, characterized in that: Comprising a handle housing (410), an endoscope component and a wire harness bracket according to any one of claims 1 to 6, the endoscope component is connected to the distal end of the handle housing (410), and the proximal end of the endoscope component extends into the handle housing (410), the distal end of the wire harness component (100) is connected to the endoscope component, and the proximal end of the wire harness component (100) is connected to the handle housing (410); The endoscope component is the instrument tube (510) or the passive bending tube (520).
8. An endoscope, characterized in that: Comprising the cable fixing structure as claimed in claim 7.
Citation Information
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Endoscope device and endoscope system
CN220192963U
Optical fiber bundle, traction mechanism, handle and endoscope
CN220438576U