Clamp suture device
By designing a bracket, rotating flexible shaft, and push-pull components for the clamping suture device, the problems of inefficiency and inaccuracy in existing technologies have been solved, enabling quick mastery and precise suturing, and adapting to the needs of endoscopic surgery in complex cavities.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 连舟洋
- Filing Date
- 2025-01-20
- Publication Date
- 2026-07-28
AI Technical Summary
Existing flexible endoscopic suture instruments are inefficient and inaccurate, especially those that use a rotating control cable to rotate an arc-shaped suture needle, which have a long learning curve and unreliable results.
A clamping and suturing device was designed, including a support, a rotating flexible shaft, a clamping arm, and a push-pull component. The rotating flexible shaft drives the support to rotate, the clamping arm clamps the suture needle, and the push-pull component controls the movement of the clamping arm to achieve precise suturing operations.
It shortens the learning curve, improves surgical efficiency and precision, reduces tissue damage, adapts to complex cavities, and ensures that the suture needle accurately passes through the tissue.
Smart Images
Figure CN224557499U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of medical device technology for endoscopic minimally invasive surgery, and in particular to a clamping and suturing device. Background Technology
[0002] There are currently few flexible endoscopic suture instruments available. Among them, the method of directly clamping the curved suture needle with an endoscopic clamp to thread the suture through the digestive tract lumen is inefficient. The operator rotates the curved suture needle externally by rotating a "long and flexible" control cord, which has a long learning curve, unreliable results, and lack of precision. Utility Model Content
[0003] An embodiment of this application provides a clamping suture device for use with a suture needle, comprising: a support, the support including a frame and a fixed base; a rotating flexible shaft connected to the fixed base, the rotating flexible shaft being configured to drive the support to rotate; a clamping arm disposed on the frame and rotatable relative to the frame, the clamping arm being configured to clamp the suture needle; and a push-pull member connected to the clamping arm, the push-pull member being configured to control the rotation of the clamping arm relative to the frame.
[0004] In some embodiments, the number of clamping arms is two; the two clamping arms are hinged together and fixed to the frame, and the two clamping arms are configured to jointly clamp the suture needle.
[0005] In some embodiments, the push-pull member is a first control cable, which is connected to the two clamping arms respectively.
[0006] In some embodiments, the push-pull member includes: two transmission members, one end of which is hinged to each other, and the other end of which is hinged to the two clamping arms respectively; and a second control cable connected to the hinged joint of the two transmission members.
[0007] In some embodiments, the push-pull member further includes a guide member disposed at the hinge joint of the two transmission members and inserted into the guide space, the guide member being slidable within the guide space along the movement direction of the second control cable.
[0008] In some embodiments, the support is provided with a clamping portion that mates with the clamping arm, the clamping portion being configured to cooperate with the clamping arm to clamp the suture needle.
[0009] In some embodiments, the rotating flexible shaft has a through hole therethrough, one end of the push-pull member passes through the through hole and is connected to the clamping arm, and the other end of the push-pull member protrudes from the through hole.
[0010] In some embodiments, the rotating flexible shaft is arranged side by side with the push-pull member.
[0011] In some embodiments, the clamping and sewing device further includes an outer tube, one end of the rotating flexible shaft is inserted into the outer tube and connected to the fixed base, and the other end of the rotating flexible shaft protrudes from the outer tube; one end of the push-pull member passes through the outer tube and is connected to the clamping arm, and the other end of the push-pull member protrudes from the outer tube.
[0012] In some embodiments, the clamping and suturing device further includes a connecting sleeve disposed at one end of the outer tube and configured to be fitted onto the end of the endoscope.
[0013] In some embodiments, the fixed base is provided with a clearance space, and the push-pull member passes through the clearance space and is connected to the clamping arm.
[0014] In some embodiments, the frame has a mounting plane, the clamping arm is disposed on the mounting plane, and the rotation axis of the clamping arm is perpendicular to the mounting plane.
[0015] In some embodiments, the frame is provided with a clearance space extending through it, the clamping arm is disposed on the space wall of the clearance space, and the rotation axis of the clamping arm is perpendicular to the space wall.
[0016] Compared with existing technologies, the above technical solution has the following advantages:
[0017] The rotating flexible shaft controls the rotation of the entire device, offering a relatively intuitive operation method. Operators can control the movement of the flexible shaft through simple rotational operations, thereby controlling the clamping and suturing device. This method is relatively easy to master, allowing beginners to quickly become familiar with and get started, shortening the learning curve and improving surgical efficiency. Furthermore, the rotating flexible shaft enables precise transmission of rotational movements. Operators can finely adjust the angle and direction of the suture needle by manipulating the shaft, ensuring accurate passage of the needle through the tissue, improving the quality and effectiveness of the suture, and reducing tissue damage. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1A schematic diagram of the structure of a first embodiment of the clamping and sewing device provided in some embodiments of this application;
[0020] Figure 2 for Figure 1 An exploded view of the clamping and sewing device;
[0021] Figure 3 for Figure 1 Enlarged structural diagram of section A in the middle;
[0022] Figure 4 for Figure 2 A schematic diagram of the support structure shown in the figure;
[0023] Figure 5 for Figure 1 A partial structural diagram of the clamping and sewing device;
[0024] Figure 6 This is a schematic diagram of the structure of a second embodiment of the clamping and sewing device provided in some embodiments of this application;
[0025] Figure 7 for Figure 6 An exploded view of the clamping and sewing device;
[0026] Figure 8 This is a schematic diagram of the structure of a third embodiment of the clamping and sewing device provided in some embodiments of this application;
[0027] Figure 9 for Figure 8 Enlarged structural diagram of section B in the middle;
[0028] Figure 10 This is a schematic diagram of the fourth embodiment of the clamping and sewing device provided in some embodiments of this application;
[0029] Figure 11 for Figure 10 An exploded view of the clamping and sewing device;
[0030] Figure 12 for Figure 10 Enlarged structural diagram of section C;
[0031] Figure 13 This is a schematic diagram of the fifth embodiment of the clamping and sewing device provided in some embodiments of this application;
[0032] Figure 14 for Figure 13 An exploded view of the clamping and sewing device;
[0033] Figure 15 A schematic diagram of the sixth embodiment of the clamping and suturing device provided in some embodiments of this application in cooperation with an endoscope;
[0034] Figure 16 for Figure 15 A schematic diagram of the exploded structure shown;
[0035] Figure 17 This is a schematic diagram of the structure of the clamping and suturing device and the suture needle described in this application.
[0036] The attached figures are labeled as follows:
[0037] 10. Bracket; 11. Frame; 111. Mounting plane; 112. Guide space; 113. Clearance space; 12. Fixing seat; 121. Clearance space; 13. Clamping part;
[0038] 20. Rotary flexible shaft; 21. Through hole;
[0039] 30. Arm clamp;
[0040] 40. Push-pull component; 41. First control cable; 42. Transmission component; 43. Second control cable; 44. Guide component;
[0041] 50. Outer tube; 60. Connecting sleeve; 70. Protective tube; 100. Endoscope; 200. Suture needle. Detailed Implementation
[0042] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. Through these descriptions, the features and advantages of the present application will become clearer and more apparent.
[0043] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit this application; the terms "comprising" and "having" and any variations thereof in the specification and the foregoing description of this application are intended to cover non-exclusive inclusion.
[0044] The term "embodiment" as used in this application means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments.
[0045] The specific term "exemplary" used in this application means "serving as an example, embodiment, or illustration." Any embodiment illustrated as "exemplary" is not necessarily to be construed as superior or better than other embodiments. Although various aspects of embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated otherwise.
[0046] In the description of this application, the technical terms "first", "second", "third", etc. are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features.
[0047] In the description of this application, unless otherwise expressly specified and limited, the technical terms "installation," "connection," "joining," "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 mechanical connection or an electrical connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0048] In the description of this application, "multiple" means two or more (including two), unless otherwise expressly and specifically defined.
[0049] In the description of this application, the same reference numerals denote the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, and other dimensions of various components in the embodiments of this application shown in the drawings, as well as the overall thickness, length, and other dimensions of the integrated device, are merely illustrative and should not constitute any limitation on this application.
[0050] The technical solutions of the embodiments of this application are described in detail below with reference to the accompanying drawings. The technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0051] like Figures 1 to 17 As shown, the clamping suture device provided in this application for use with the suture needle 200 includes: a bracket 10, a rotating flexible shaft 20, a clamping arm 30, and a push-pull member 40.
[0052] The bracket 10 includes a frame 11 and a fixing base 12.
[0053] The rotating flexible shaft 20 is connected to the fixed base 12, and the rotating flexible shaft 20 is configured to drive the bracket 10 to rotate.
[0054] The clamping arm 30 is mounted on the frame 11 and is rotatable relative to the frame 11. The clamping arm 30 is configured to hold the suture needle 200.
[0055] The push-pull member 40 is connected to the clamping arm 30, and the push-pull member 40 is configured to control the rotation of the clamping arm 30 relative to the frame 11.
[0056] The operator rotates the entire clamping and suturing device by rotating the flexible shaft 20, so that the clamping and suturing device drives the suture needle 200 held by the clamping arm 30 to suture human tissue. The clamping and suturing device provided in this application has the following characteristics:
[0057] 1. During endoscopic surgery, the human digestive and respiratory tracts are not straight but have curves and angles. The clamping and suturing device driven by the rotating flexible shaft 20 can adapt to the shape of these cavities, reaching areas that are difficult to access with traditional rigid drives. This greatly expands the scope of surgical operations, allowing surgeons to suture human tissues more comprehensively. Specifically, the rotating flexible shaft 20 can bend freely within a certain range, adapting to various complex spatial paths. This enables the clamping and suturing device to be used in the complex and varied cavities inside the human body, accurately delivering the suture needle 200 to the lesion location and ensuring the smooth progress of the suturing operation.
[0058] 2. The rotating flexible shaft 20 enables precise motion transmission. The operator can control the opening, closing, rotation, and suturing actions of the clamping suture device by manipulating the rotating flexible shaft 20. Specifically, during the suturing process, the rotating flexible shaft 20 can accurately transmit minute operating forces to the suturing site, ensuring the accuracy of parameters such as stitch length and edge distance, thereby improving the precision of the surgery and reducing damage to surrounding normal tissues.
[0059] 3. The rotating flexible shaft 20 controls the rotation of the entire device in a relatively intuitive way. The operator can control the movement of the rotating flexible shaft 20 through simple rotation operations, thereby controlling the clamping and suturing device. This operation method is relatively easy to master, allowing beginners to become familiar with and get started more quickly, shortening the learning curve and improving the efficiency of surgical operations.
[0060] In one specific embodiment of this application, the clamping suture device may further include a motor connected to the rotating flexible shaft 20 to drive the rotation of the flexible shaft 20. The motor-driven rotation of the flexible shaft 20 eliminates the need for the operator to rotate it, reducing the lengthy learning process and allowing for faster familiarization and mastery. Furthermore, the driving force of the motor can be preset and is unaffected by different operators. During the puncture process, the puncture force can be precisely adjusted via the motor according to the thickness and hardness of the tissue being punctured.
[0061] like Figure 13 and Figure 14As shown, in one embodiment of this application, the rotating flexible shaft 20 has a through hole 21 extending through it, one end of the push-pull member 40 passes through the through hole 21 and is connected to the clamping arm 30, and the other end of the push-pull member 40 protrudes out of the through hole 21.
[0062] The push-pull component 40 passes through the through-hole 21 of the rotating flexible shaft 20 and connects to the clamping arm 30, making the entire device more compact. Within the limited working channel space of the endoscope 100, this compact design effectively utilizes space and reduces interference between instruments. It also makes the overall size of the device smaller, easier to pass through the body's natural cavities, reducing the difficulty of surgical procedures and trauma to the patient. Furthermore, the push-pull component passing through the through-hole of the rotating flexible shaft prevents it from becoming entangled with the rotating flexible shaft during product rotation, thus avoiding interference with its use.
[0063] like Figures 7 to 11 As shown, in another specific embodiment of this application, the clamping and sewing device further includes a protective tube 70, and the push-pull member 40 passes through the protective tube 70 and is connected to the clamping arm 30.
[0064] The protective tube 70 is connected to the fixed base 12, or at least part of the protective tube 70 is fixedly connected to the rotating flexible shaft 20 to ensure that the push-pull component 40 is synchronized with the rotating flexible shaft 20, and to avoid the situation where the push-pull component and the rotating flexible shaft get tangled together during the rotation of the product, affecting the use of the push-pull component.
[0065] In one embodiment of this application, the rotating flexible shaft 20 and the push-pull member 40 are arranged side by side.
[0066] The rotating flexible shaft 20 and the push-pull component 40 are arranged side by side, allowing their movements to be relatively independent yet coordinated. The rotating flexible shaft 20 can flexibly move through complex cavities within the human body and perform rotational movements, while the independent linear push-pull movement of the push-pull component 40 can precisely control the opening and closing of the clamping arm 30. During surgery, the surgeon can manipulate the rotating flexible shaft 20 to bring the clamping arm 30 to the appropriate position and angle, and then precisely control the clamping force of the clamping arm 30 on the tissue and the puncture action of the suture needle 200 by pushing and pulling the push-pull component 40, achieving precise tissue manipulation.
[0067] like Figures 6 to 16 As shown, in one embodiment of this application, the clamping and sewing device further includes an outer tube 50.
[0068] One end of the rotating flexible shaft 20 is inserted into the outer tube 50 and connected to the fixed base 12, while the other end of the rotating flexible shaft 20 protrudes out of the outer tube 50.
[0069] One end of the push-pull component 40 passes through the outer tube 50 and is connected to the clamping arm 30, while the other end of the push-pull component 40 protrudes from the outer tube 50.
[0070] The outer tube 50 confines the push-pull component 40 and the rotating flexible shaft 20 within a certain space. On one hand, the outer tube 50 acts as a barrier, preventing external factors from directly affecting the internal components (rotating flexible shaft 20, push-pull component 40), extending the device's lifespan, and reducing the risk of surgical interruption or failure due to device damage. On the other hand, it keeps the relative positions of the internal components (rotating flexible shaft 20, push-pull component 40) fixed, reducing swaying and displacement during movement. This helps improve the structural stability of the entire device, ensuring more precise and reliable power transmission and operation. During delicate suturing operations, the stable structure allows for better control of the clamp arm 30's movement, improving the quality of suturing.
[0071] like Figure 15 and Figure 16 As shown, in one embodiment of this application, the clamping and sewing device further includes a connecting sleeve 60.
[0072] The connecting sleeve 60 is disposed at one end of the outer tube 50 and is configured to be fitted onto the end of the endoscope 100.
[0073] The connecting sleeve 60 enables precise engagement between the outer tube 50 and the endoscope 100, ensuring consistency in position and angle between the clamping suture device and the endoscope 100. During the procedure, the operator can clearly observe the surgical site through the endoscope 100, while the clamping suture device, tightly connected to the endoscope 100 via the connecting sleeve 60, can accurately reach the observed lesion location for operation, avoiding misoperation due to positional deviation and improving surgical precision.
[0074] like Figures 1 to 17 As shown, in one embodiment of this application, a clearance space 121 is provided on the fixed base 12, and the push-pull member 40 passes through the clearance space 121 and is connected to the clamping arm 30.
[0075] This design ensures that the push-pull element 40 can move smoothly in a linear fashion. The push-pull element 40 is connected to the clamping arm 30 through this clearance space 121, allowing the doctor to directly and effectively control the opening and closing of the clamping arm 30 when pushing or pulling the push-pull element 40. This design reduces resistance and interference during the movement of the push-pull element 40, making the opening and closing operation of the clamping arm 30 more sensitive and precise. During suturing, the doctor can accurately adjust the clamping force of the clamping arm 30 by precisely controlling the displacement of the push-pull element 40, avoiding excessive damage to the tissue.
[0076] Several embodiments of this application are described in detail below with reference to the accompanying drawings.
[0077] Example 1
[0078] like Figures 1 to 9As shown, the clamping suture device provided in this application for use with the suture needle 200 includes: a bracket 10, a rotating flexible shaft 20, a clamping arm 30, and a push-pull member 40.
[0079] The bracket 10 includes a frame 11 and a fixing base 12.
[0080] The rotating flexible shaft 20 is connected to the fixed base 12, and the rotating flexible shaft 20 is configured to drive the bracket 10 to rotate.
[0081] The clamping arm 30 is mounted on the frame 11 and is rotatable relative to the frame 11. The clamping arm 30 is configured to hold the suture needle 200.
[0082] The push-pull member 40 is connected to the clamping arm 30, and the push-pull member 40 is configured to control the rotation of the clamping arm 30 relative to the frame 11.
[0083] There are two clamping arms 30. The two clamping arms 30 are hinged together and fixed to the frame 11. The two clamping arms 30 are configured to jointly clamp the suture needle 200.
[0084] Both clamping arms 30 are movable, allowing doctors to manipulate tissues from different directions and angles. Furthermore, the operator can independently control the movement of both clamping arms 30 as needed, achieving more precise manipulation. During delicate tissue dissection or suturing, the opening and closing degree and angle of the two clamping arms 30 can be adjusted individually to accurately grasp the target tissue, avoiding accidental clamping of surrounding normal tissue.
[0085] like Figures 1 to 7 As shown, in one embodiment of this application, the push-pull member 40 includes two transmission members 42 and a second control cable 43.
[0086] One end of the two transmission components 42 is hinged to each other, and the other end of the two transmission components 42 is respectively hinged to the two clamping arms 30.
[0087] The second control cable 43 is connected to the hinge joint of the two transmission components 42.
[0088] The aforementioned structure allows for the simultaneous opening and closing of the two clamping arms (30°). This clamping method ensures more even force distribution on the clamped tissue. Even force distribution effectively prevents damage caused by excessive localized stress, reducing the risk of tissue tearing. Especially when dealing with fragile blood vessels, nerves, and other tissues, even force distribution better protects tissue integrity, creating favorable conditions for subsequent suturing operations.
[0089] like Figures 3 to 5 As shown, in one embodiment of this application, a guide space 112 is provided on the bracket 10.
[0090] The push-pull component 40 also includes a guide component 44.
[0091] The guide member 44 is disposed at the hinge joint of the two transmission members 42 and inserted into the guide space 112. The guide member 44 can slide within the guide space 112 along the moving direction of the second control cable 43.
[0092] The aforementioned structure, on the one hand, precisely defines the movement trajectory of the clamping arm 30, allowing it to open and close along a preset path. Precise movement trajectory is crucial during endoscopic surgery 100, ensuring the clamping arm 30 accurately reaches the target tissue location and performs clamping or suturing operations with precise angles and force, thus improving surgical accuracy. On the other hand, the guide member 44, working in conjunction with the guide space 112, provides stable support and constraint for the clamping arm 30, reducing swaying and deviation during movement. This helps maintain the smoothness of the clamping arm 30's movement, ensuring its stability even during complex surgical procedures.
[0093] like Figures 6 to 9 As shown, in one embodiment of this application, the push-pull member 40 is a first control cable 41, which is connected to two clamping arms 30 respectively. In this embodiment, the working channel of the endoscope is not occupied, so existing endoscope accessories can be inserted through the working channel to assist in the operation of the clamping and suturing device, which is more efficient and adaptable to the needs of complex surgeries; in addition, since the inner diameter of the endoscope working channel is limited, clamping and suturing devices with a larger outer diameter can enter the surgical site through the outer tube.
[0094] like Figures 1 to 9 As shown, in one embodiment of this application, the frame 11 has a mounting plane 111, and the clamping arm 30 is disposed on the mounting plane 111, with the rotation axis of the clamping arm 30 perpendicular to the mounting plane 111.
[0095] The aforementioned installation method of the clamping arms 30 enables the frame 11 to provide a stable support structure for the two clamping arms 30, making the clamping arms 30 more stable during movement, reducing the possibility of swaying and displacement of the clamping arms 30, and lowering the surgical risks caused by the instability of the clamping arms 30.
[0096] Example 2
[0097] like Figures 10 to 16 As shown, the clamping suture device provided in this application for use with the suture needle 200 includes: a bracket 10, a rotating flexible shaft 20, a clamping arm 30, and a push-pull member 40.
[0098] The bracket 10 includes a frame 11 and a fixing base 12.
[0099] The rotating flexible shaft 20 is connected to the fixed base 12, and the rotating flexible shaft 20 is configured to drive the bracket 10 to rotate.
[0100] The clamping arm 30 is mounted on the frame 11 and is rotatable relative to the frame 11. The clamping arm 30 is configured to hold the suture needle 200.
[0101] The push-pull member 40 is connected to the clamping arm 30, and the push-pull member 40 is configured to control the rotation of the clamping arm 30 relative to the frame 11.
[0102] The bracket 10 is provided with a clamping part 13 that matches the clamping arm 30. The clamping part 13 is configured to cooperate with the clamping arm 30 to clamp the suture needle 200.
[0103] The components of the above structure are arranged in a compact manner, and the clamp arm 30 does not obstruct the surgical field of view too much. The operator can clearly and comprehensively observe the surgical site through the endoscope 100, accurately judge the position and condition of the tissue and the progress of suturing, and thus adjust the suturing operation in a timely manner to ensure the smooth progress of the operation.
[0104] like Figures 10 to 16 As shown, in one embodiment of this application, a clearance space 113 is provided on the frame 11, and the clamping arm 30 is disposed on the space wall of the clearance space 113, with the rotation axis of the clamping arm 30 perpendicular to the space wall.
[0105] When performing surgery inside the human body, space is often very limited. The above-mentioned way of cooperating the clamp arm 30 with the frame 11 can better adapt to the narrow space environment, reduce the space occupied by the clamp arm 30, make the device easier to operate in the human body cavity, avoid interference with other tissues or instruments, and provide more space and flexibility for surgical operations.
[0106] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not 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. These 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, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A clamping and sewing device for use with a sewing needle, characterized in that, The clamping and sewing device includes: a bracket, the bracket including a frame and a fixing base; A rotating flexible shaft is connected to the fixed base and is configured to drive the bracket to rotate. A clamping arm, disposed on the frame and rotatable relative to the frame, the clamping arm being configured to hold a suture needle; and A push-pull member connected to the clamping arm, the push-pull member being configured to control the rotation of the clamping arm relative to the frame.
2. The clamping and sewing device according to claim 1, characterized in that, The number of clamping arms is two; The two clamping arms are hinged together and fixed to the frame, and the two clamping arms are configured to jointly clamp the suture needle.
3. The clamping and sewing device according to claim 2, characterized in that, The push-pull component is a first control cable, which is connected to the two clamping arms respectively.
4. The clamping and sewing device according to claim 2, characterized in that, The push-pull component includes: two transmission components, one end of which is hinged together, and the other end of which is respectively hinged to the two clamping arms; and The second control cable is connected to the hinge joint of the two transmission components.
5. The clamping and sewing device according to claim 4, characterized in that, The support is provided with a guide space; The push-pull component also includes a guide component, which is disposed at the hinge joint of the two transmission components and inserted into the guide space. The guide component is capable of sliding within the guide space along the movement direction of the second control cable.
6. The clamping and sewing device according to claim 1, characterized in that, The bracket is provided with a clamping part that matches the clamping arm, and the clamping part is configured to cooperate with the clamping arm to clamp the suture needle.
7. The clamping and sewing device according to any one of claims 1 to 6, characterized in that, The rotating flexible shaft has a through hole, one end of the push-pull member passes through the through hole and is connected to the clamping arm, and the other end of the push-pull member protrudes from the through hole.
8. The clamping and sewing device according to any one of claims 1 to 6, characterized in that, The rotating flexible shaft is arranged side by side with the push-pull component.
9. The clamping and sewing device according to any one of claims 1 to 6, characterized in that, It also includes an outer tube, one end of the rotating flexible shaft is inserted into the outer tube and connected to the fixed base, and the other end of the rotating flexible shaft protrudes from the outer tube; One end of the push-pull member passes through the outer tube and is connected to the clamping arm, while the other end of the push-pull member protrudes from the outer tube.
10. The clamping and sewing device according to claim 9, characterized in that, It also includes a connecting sleeve, which is disposed at one end of the outer tube and configured to be fitted onto the end of the endoscope.
11. The clamping and sewing device according to any one of claims 1 to 6, characterized in that, The fixed base is provided with a clearance space, and the push-pull member passes through the clearance space and is connected to the clamping arm.
12. The clamping and sewing device according to any one of claims 1 to 6, characterized in that, The frame has a mounting plane, the clamping arm is disposed on the mounting plane, and the rotation axis of the clamping arm is perpendicular to the mounting plane.
13. The clamping and sewing device according to any one of claims 1 to 6, characterized in that, The frame is provided with a clearance space that runs through it, and the clamping arm is set on the space wall of the clearance space, with the rotation axis of the clamping arm perpendicular to the space wall.