Repeating type rotary propelling suturing nail device

Abstract

The invention discloses a repeating type rotary propelling suturing nail device. The repeating type rotary propelling suturing nail device comprises an outer tube, a nail bin, suturing nails, a rotating piece and a control piece. And an internal thread is arranged in the nail bin. And an external thread matched with the internal thread is arranged on the surface of the suturing nail. And the rotating piece and the suturing nail are rotationally limited. The control piece is connected with the other end of the rotating piece to control the rotating piece to rotate relative to the nail bin. According to the device provided by the invention, continuous shooting of a plurality of suturing nails can be realized, repeated nailing one by one is not needed, and the operation efficiency is improved. The thread has a self-locking and anti-backspacing function, rotation limiting is achieved, slipping is prevented, and the situation that the suturing nail is clamped, deviated and pushed off due to tissue resistance or improper operation force is avoided; the threads are in full-circumference fit guide, so that the suturing nail is not inclined when being pushed, and the accuracy of the suturing nail is ensured. The structure of thread transmission is compact, a complex nail feeding assembly is not needed, the size of the device can be reduced, and the device adapts to a narrow working channel of an endoscope.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices for endoscopic minimally invasive surgery, and in particular to a continuous rotary propulsion suture staple device. Background Art

[0002] Based on their different methods of use, flexible endoscopic minimally invasive surgical instruments primarily include those that pass through the endoscope's working channel and those that are mounted externally. The former are more efficient, allowing direct access to the surgical site through the endoscope's working channel without requiring external installation. However, the inner diameter of the endoscope's working channel is small, typically 3.2 mm or less. Designing and achieving mechanical actuation within this confines presents significant challenges. Existing "staple" suturing techniques that pass through the endoscope's working channel are effective for suturing difficult wounds and performing challenging minimally invasive procedures, such as closing gastrointestinal fistulas and bleeding ulcers, and thus have significant clinical application value. However, such existing technologies are scarce, particularly those for "burst" suturing. The few existing technologies involve complex structures and precision microstructures, such as the processing and attachment of micro-shrapnels. This results in poor manufacturability, low reliability, and inconvenient operation. Summary of the Invention

[0003] In order to solve the above technical problems or at least partially solve the above technical problems, this application provides the following technical solutions: In a first aspect, an embodiment of the present application provides a continuous rotary propulsion suturing staple device, which includes: an outer tube; a staple magazine, one end of which is fixedly connected to the outer tube, the staple magazine having a accommodating space, and an internal thread arranged along the length direction of the staple magazine on the space wall of the accommodating space; at least one suturing staple, which is arranged in the accommodating space, and the suturing staple includes a staple body and a puncture portion, the surface of the staple body is provided with an external thread matching the internal thread, and the staple body is provided with a through hole passing therethrough; a rotating member, one end of the rotating member is inserted into the through hole and is limited in rotation with the staple body; and a control member, the control member is connected to the other end of the rotating member to control the rotation of the rotating member relative to the staple magazine.

[0004] In a second aspect, an embodiment of the present application provides a continuous rotary propulsion suturing staple device, which includes: an outer tube; a staple magazine, one end of the staple magazine being detachably connected to the outer tube, the staple magazine having a accommodating space, and an internal thread arranged along the length direction of the staple magazine being provided on the space wall of the accommodating space; at least one suturing staple, the suturing staple being arranged in the accommodating space, the suturing staple including a staple body and a puncture portion, an external thread matching the internal thread being provided on the surface of the staple body, and a through hole passing through the staple body; a rotating member, one end of the rotating member being inserted into the through hole and limited in rotation with the staple body; and a control member connected to the other end of the rotating member to control the rotation of the rotating member relative to the staple magazine.

[0005] In some embodiments, the outer tube is threadedly connected to the nail magazine.

[0006] In some embodiments, one end of the nail magazine is plugged into the end of the outer tube and connected through a first connector; the first connector includes: a clip, and the clip is mounted on the overlapping portion of the nail magazine and the outer tube.

[0007] In some embodiments, a first magnetic ring is provided at one end of the nail magazine, and a second magnetic ring that cooperates with the first magnetic ring is provided at the end of the outer tube; one end of the nail magazine is plugged into the end of the outer tube and is connected through the magnetic force between the first magnetic ring and the second magnetic ring.

[0008] In some embodiments, the outer tube is connected to the nail magazine through a snap assembly; the snap assembly includes an elastic member and a snap hole, the elastic member is snapped into the snap hole, one of the elastic member and the snap hole is arranged on the outer tube, and the other is arranged on the nail magazine; or, the snap assembly includes a snap joint and a snap hole, first snaps are respectively provided on both sides of the snap joint, snap holes are respectively provided on the outer tube and the nail magazine, and the first snap is snapped into the snap hole.

[0009] In some embodiments, the control member is a flexible shaft, one end of the flexible shaft passes through the outer tube and is connected to the rotating member, and the other end of the flexible shaft extends out of the outer tube.

[0010] In some embodiments, the control member includes a stator and a rotor, the setting position of the rotor corresponds to the position of the stator, the rotor is rotatable relative to the stator, and the rotor is connected to the rotating member.

[0011] In some embodiments, the control member is a coreless motor, the output shaft of the coreless motor is connected to the rotating member, or the output shaft of the coreless motor is the rotating member. In some embodiments, a notch is provided on the side wall of the staple cartridge and extends along the axial direction of the outer tube to the end surface of the other end of the staple cartridge; the suture staple further comprises a connecting ring, which is sleeved on the staple body and can rotate relative to the staple body, and a portion of the connecting ring is located in the notch; the continuous rotary propulsion suture staple device further comprises a suture, which is connected to the connecting ring.

[0012] In some embodiments, the nail body includes a base and a mounting seat, one end of the base is connected to the puncture part, and the mounting seat is fixed to the other end of the base. A first limiting surface is provided on the base, and a second limiting surface is provided on the mounting seat. A mounting groove is formed between the first limiting surface and the second limiting surface, and the connecting ring is sleeved in the mounting groove.

[0013] In some embodiments, the mounting base includes a first part and a second part, and the second limiting surface is formed at the connection between the first part and the second part; the second part is connected to the base.

[0014] In some embodiments, the external thread is provided on the mounting seat.

[0015] In some embodiments, the base includes a connecting portion and a limiting portion, the connection between the connecting portion and the limiting portion forms the first limiting surface, and the connecting portion is connected to the second portion.

[0016] In some embodiments, the base is threadably connected to the second portion.

[0017] In some embodiments, a latch hole is provided on one of the base and the second part, and a second latch that matches the latch hole is provided on the other part, so that the base is latched with the mounting seat.

[0018] In some embodiments, the first limiting surface is an end surface of the other end of the base.

[0019] In some embodiments, the base and the puncture portion are an integrated structure.

[0020] In some embodiments, the number of the suture staples is multiple, and the continuous rotary propelling suture staple device further includes a second connecting member, which connects the multiple suture staples.

[0021] Compared with the existing technology, the above technical solution has the following advantages: The interior of the staple cartridge is provided with an internal thread, and the surface of the staple body is provided with an external thread. The control member controls the rotation of the staple through the rotating member, and then through the cooperation of the internal thread and the external thread, the staple can be rotated and moved linearly at the same time. When the puncture part moves out of the staple cartridge, the rotating staple can be rotated into the human tissue to complete the suturing of the staple. After the internal thread and the external thread are completely separated, the staple can be separated from the staple cartridge. When there are multiple staples in the staple cartridge, the position of the staple cartridge is moved and the rotation of the rotating member is continued to be controlled to execute the suturing of the next staple, thereby achieving the continuous firing of multiple staples without the need to repeatedly staple one by one, thereby improving operational efficiency. In addition, the rotation and movement of the staple are achieved through a threaded connection, and the pitch between the threads is fixed, so that the rotation angle of the staple corresponds to the axial linear displacement one by one, and the suturing depth can be quantitatively controlled to avoid excessive damage or excessive shedding. The thread features a self-locking anti-retraction function and a rotational limiter to prevent slipping, preventing the staple from becoming stuck, shifting, or being pushed out of the staple cartridge due to tissue resistance or improper handling force. The thread provides a full-circle guide to ensure that the staples do not tilt during advancement, ensuring consistent penetration and fixation of each staple. The threaded drive's compact structure eliminates the need for complex staple delivery components, minimizing the device's size and adapting it to the narrow working channel of an endoscope. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. 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 any creative work.

[0023] Figure 1 A schematic structural diagram of a first embodiment of a continuous rotary propelling suturing staple device provided in some embodiments of the present application; Figure 2 for Figure 1 The exploded structural diagram of the continuous rotary propulsion suture staple device is shown; Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure of the outer tube and the nail cartridge shown in FIG; Figure 4 A schematic diagram of the exploded structure of a second embodiment of the continuous rotary propelling suturing staple device provided in some embodiments of the present application; Figure 5 A schematic structural diagram of a third embodiment of a continuous rotary propelling suturing staple device provided in some embodiments of the present application; Figure 6 for Figure 5 The exploded structural diagram of the first embodiment of the continuous rotary propulsion suturing staple device is shown; Figure 7 for Figure 5 The exploded structural diagram of the second embodiment of the continuous rotary propulsion suturing staple device is shown; Figure 8 for Figure 5 A partial cross-sectional structural diagram of the continuous rotary propulsion suture staple device shown; Figure 9 for Figure 5 A partial cross-sectional structural diagram of the continuous rotary propulsion suturing staple device in another state; Figure 10 for Figure 5 A partial cross-sectional structural diagram of the continuous rotary propulsion suturing staple device in another state; Figure 11 for Figure 5 The schematic diagram of the structure of the continuous rotary propulsion suture staple device for replacing suture staples is shown; Figure 12 A schematic diagram of the exploded structure of a fourth embodiment of the continuous rotary propelling suturing staple device provided in some embodiments of the present application; Figure 13 A schematic diagram of the exploded structure of a first embodiment of a suture staple provided in some embodiments of the present application; Figure 14 A schematic structural diagram of a second embodiment of a suture staple provided in some embodiments of the present application; Figure 15 for Figure 14 A schematic cross-sectional view of the suture staple is shown; Figure 16 for Figure 14 A schematic diagram of the exploded structure of the suture staple shown; Figure 17 A schematic structural diagram of a third embodiment of a suture staple provided in some embodiments of the present application; Figure 18 for Figure 17 A schematic cross-sectional view of the suture staple is shown; Figure 19 Schematic diagram of the cooperation structure of the suture staple and the first connecting member provided in some embodiments of the present application.

[0024] The reference numerals are as follows: 10. External control; 20. Nail magazine; 21. Accommodation space; 22. Internal thread; 23. Notch; 30. Suture staple; 31. Staple body; 311. External thread; 312. Through hole; 313. Base; 3131. First limiting surface; 3132. Connecting portion; 3133. Limiting portion; 3134. Clamping hole; 314. Mounting seat; 3141. Second limiting surface; 3142. First portion; 3143. Second portion; 3144. Second buckle; 32. Puncture portion; 33. Connecting ring; 40. Rotating parts; 50. Control parts; 61. Suture; 62. Second connecting member; 70. Buckle assembly; 71. Elastic member; 72. Snap-fit ​​hole. DETAILED DESCRIPTION

[0025] The present application will be further described in detail below through the accompanying drawings and examples, through which the features and advantages of the present application will become more clear and distinct.

[0026] Unless otherwise defined, all technical and scientific terms used in this application have the same meanings as commonly understood by technicians in the technical field to which this application belongs; the terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions.

[0027] The phrase "embodiment" mentioned in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it refer to independent or alternative embodiments that are mutually exclusive with other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described in this application may be combined with other embodiments.

[0028] The term "exemplary" is used herein to mean "serving as an example, embodiment, or illustration." Any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless otherwise indicated.

[0029] In the description of this application, the technical terms "first", "second", "third", etc. are only used to distinguish different objects and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity, specific order or primary and secondary relationship of the indicated technical features.

[0030] Throughout this application, unless otherwise expressly specified or limited, technical terms such as "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0031] In the description of this application, “plurality” means two or more (including two), unless otherwise clearly and specifically defined.

[0032] In the description of this application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components in different embodiments are omitted. It should be understood that the thickness, length, and other dimensions of the various components in the embodiments of this application, as well as the overall thickness, length, and other dimensions of the integrated device shown in the drawings are merely illustrative and do not constitute any limitation on this application.

[0033] The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings. The technical features involved in the different implementation modes of the present application described below can be combined with each other as long as there is no conflict between them.

[0034] Example 1 like Figures 1 to 3 、 Figure 5 and Figure 6 、 Figures 8 to 18 As shown, the continuous rotation propulsion suture staple 30 device provided by the present application includes: an outer tube 10, a staple cartridge 20, at least one suture staple 30, a rotating member 40 and a control member 50.

[0035] One end of the nail magazine 20 is fixedly connected to the outer tube 10 . The nail magazine 20 has an accommodating space 21 . An internal thread 22 is provided on the wall of the accommodating space 21 along the length direction of the nail magazine 20 .

[0036] The suture staple 30 is disposed in the accommodating space 21 . The suture staple 30 includes a staple body 31 and a puncture portion 32 . An external thread 311 matching the internal thread 22 is provided on the surface of the staple body 31 . A through hole 312 is provided passing through the staple body 31 .

[0037] One end of the rotating member 40 is inserted into the through hole 312 and is rotationally limited with the nail body 31 .

[0038] The control member 50 is connected to the other end of the rotating member 40 to control the rotating member 40 to rotate relative to the nail magazine 20 .

[0039] The continuous rotary propelling device for suturing staples 30 provided in the present application has a fixed pitch between the internal threads 22 of the staple cartridge 20 and the external threads 311 of the staples 30 (for example, the staples 30 move 0.5 mm axially for each rotation). This fixed correspondence between "rotation angle and axial displacement" and the self-locking effect completely avoid the "displacement deviation" that may occur with traditional "push rod-type staple feeding." In particular, the simple coordination of the internal and external threads enables precise release of the staples, thereby avoiding the possibility of accidentally pushing the staples out of the staple cartridge using a linear / axial pushing method, or the need to set up a relatively complex structure to limit the position of the staples to avoid such errors.

[0040] The internal threads 22 of the staple cartridge 20 form a "continuous threaded track," allowing multiple staples 30 with external threads 311 to be arranged sequentially along the internal threads 22. The rotating member 40 and the staples 30 are "rotationally limited" (e.g., through keyways, square tenons, and the interaction of the shaped through-holes 312 and the shaped rotating member 40, ensuring that the control member 50 rotates synchronously with the staples 30, rather than causing them to slip relative to each other). After the first staple 30 is ejected from the staple cartridge 20 and completes the suture, the control member 50 continues to rotate, driving the next staple 30 forward in a "relay" rotation along the internal threads 22 of the staple cartridge 20 until it is ejected and sutured. This design eliminates the need for a separate "feeding mechanism" or "staple-removal limiting mechanism," simplifying the structure while avoiding errors such as "staple jamming" and "simultaneous ejection of multiple staples." This allows for continuous, smooth, and continuous suturing, particularly in large wound suturing. This significantly reduces the operator's need for repeated "single staple, single trigger" operations, improving suturing efficiency.

[0041] The threaded transmission itself has mechanical self-locking properties (when the thread lead angle is less than the friction angle, the suture staple 30 can only be actively rotated and moved by the rotating member 40, and will not retreat or shift on its own due to tissue reaction force). During the process of pushing the suture staple 30 out, even if it encounters tissue resistance, it will not "retreat" due to the reverse push of the resistance, ensuring that the staple body 31 is always pushed in the preset direction, avoiding "the staple body 31 being stuck in the staple cartridge 20" or "the suture position being offset"; the "rotation limit" design of the rotating member 40 and the suture staple 30 eliminates the slipping problem of "the control member 50 idling and the suture staple 30 not moving". The operator does not need to apply additional "pressing force" and can achieve stable drive by simply rotating the control member 50, reducing operational errors caused by "improper force".

[0042] The suture staple 30 is "fully fitted" with the internal thread 22 of the staple cartridge 20 through the external thread 311, which is equivalent to the staple body 31 being "encircled and guided" by the internal thread 22. The suture staple 30 always maintains "axial alignment" during the rotational movement without tilting or offsetting, thereby improving the accuracy of tissue puncture.

[0043] The threaded drive integrates the "drive (rotation)" and "nail delivery (axial movement)" functions into a single component, eliminating the need for a complex, additional drive mechanism. Compared to traditional multi-component nail delivery structures, this design significantly reduces the size of the staple cartridge 20 and the overall size of the device. The compact threaded structure allows for a slimmer "working end" of the suturing device, facilitating flexible movement within narrow endoscopic working channels and confined spaces within the body, improving operational efficiency and safety.

[0044] like Figures 8 to 10 As shown, the operation of the continuous rotary propulsion suturing staple device is as follows: The interior of the staple cartridge 20 is provided with an internal thread 22, and the surface of the staple body 31 of the staple 30 is provided with an external thread 311. The control member 50 controls the rotation of the staple 30 via the rotating member 40. The internal thread 22 and the external thread 311 cooperate to achieve simultaneous linear movement of the staple 30 while rotating. After the puncture portion 32 moves out of the staple cartridge 20, the rotating staple 30 can rotate into the human tissue to complete the suturing of the staple 30. After the internal thread 22 and the external thread 311 are completely separated, the staple 30 can be separated from the staple cartridge 20. When there are multiple staples 30 in the staple cartridge 20, the position of the staple cartridge 20 is moved, and the rotation of the rotating member 40 is continued to control the rotation to perform the suturing of the next staple 30. To match the curvature of the front end of the flexible endoscope and improve operational flexibility, the length of the staple cartridge 20 is as short as possible. Therefore, the staple cartridge 20 is preferably equipped with two staples 30. The staples 30 can be reassembled multiple times according to the requirements of minimally invasive surgery. After the two suture staples 30 are released, the suture staple device 30 is withdrawn from the body along with the endoscope to reassemble the suture staples 30. The operation method is as follows: the rotating member 40 inside the staple cartridge is directly inserted into the through hole of the suture staple 30, and then the rotating member 40 is rotated in the opposite direction relative to the direction in which the suture staple 30 is pushed out of the staple cartridge to screw the suture staple 30 back into the interior of the staple cartridge, thereby completing the assembly of the suture staple 30.

[0045] like Figures 1 to 3 、 Figure 5 and Figure 6 As shown, in one embodiment of the present application, the control member 50 is a flexible shaft, one end of which passes through the outer tube 10 and is connected to the rotating member 40 , and the other end of the flexible shaft extends out of the outer tube 10 .

[0046] The flexible shaft can be freely bent to adapt to the angle requirements of different surgical sites and to meet the needs of different minimally invasive surgical scenarios. The flexible shaft can be driven by an external motor to achieve automation and improve operational efficiency.

[0047] In one embodiment of the present application, the control member includes a stator and a rotor, the setting position of the rotor corresponds to the position of the stator, the rotor can rotate relative to the stator, and the rotor is connected to the rotating member.

[0048] The stator and rotor form a motor or motor-like structure that drives the rotating element, which in turn electrically drives the staples out of the staple cartridge to sew human tissue. Controlling the motor's speed, angle, and force provides precise power output, enabling precise control of the staples and improving surgical accuracy and safety. Furthermore, the motor's stable and powerful power output and precise torque control avoid the issues of insufficient mechanically transmitted torsional / rotational force and the resulting malfunctions associated with fully manual drive mechanisms (which consist of multiple coordinated components) when driving the clamping element.

[0049] In one embodiment of the present application, the control member is a coreless motor, the output shaft of the coreless motor is connected to the rotating member, or the output shaft of the coreless motor is the rotating member.

[0050] The structure of the coreless motor is relatively simple and compact. The absence of an iron core greatly reduces its size and weight, making the structure of the control component more compact, and facilitating the miniaturization and lightweight design of the continuous rotary propulsion suture staple device.

[0051] like Figure 5 and Figure 6 As shown, in one embodiment of the present application, a notch 23 is provided on the side wall of the nail magazine 20 and extends along the axial direction of the outer tube 10 to the end surface of the other end of the nail magazine 20.

[0052] The suture staple 30 further includes a connecting ring 33 , which is sleeved on the staple body 31 and rotatable relative to the staple body 31 . A portion of the connecting ring 33 is located in the notch 23 .

[0053] The continuous rotary propelling suture staple device 30 further includes a suture 61 , which is connected to the connecting ring 33 .

[0054] When the suture staple 30 rotates relative to the staple magazine 20, due to the protruding notch 23 of the connecting ring 33, the staple magazine 20 limits the rotation of the connecting ring 33 relative to the staple magazine 20, and the connecting ring 33 does not rotate with the suture staple 30, so that the suture 61 does not rotate with the suture staple 30. Therefore, during the process of rotation and anchoring of the suture staple 30, the suture 61 will not be entangled, knotted and locked on the suture staple 30, avoiding the situation where the suture staple 30 cannot slide on the suture 61, that is, it is ensured that multiple suture staples 30 can be smoothly tightened through the suture 61 to achieve effective suturing of human tissue.

[0055] like Figures 13 to 18As shown, in one embodiment of the present application, the nail body 31 includes a base 313 and a mounting seat 314, one end of the base 313 is connected to the puncture part 32, and the mounting seat 314 is fixed to the other end of the base 313, and a first limiting surface 3131 is provided on the base 313, and a second limiting surface 3141 is provided on the mounting seat 314. A mounting groove is formed between the first limiting surface 3131 (step surface) and the second limiting surface 3141 (step surface), and the connecting ring 33 is sleeved in the mounting groove.

[0056] During the assembly of the suture staple 30, the connecting ring 33 is first placed on the base 313, and then the mounting base 314 is fixed to the base 313. A mounting groove is formed between the first limiting surface 3131 and the second limiting surface 3141, and the mounting base 314 can rotate within the mounting groove. This structure facilitates the assembly of the suture staple 30, thereby improving the assembly efficiency of the suture staple 30.

[0057] like Figures 13 to 18 As shown, in one embodiment of the present application, the mounting base 314 includes a first portion 3142 and a second portion 3143 , wherein the connection between the first portion 3142 and the second portion 3143 forms a second limiting surface 3141 . The second portion 3143 is connected to the base 313 .

[0058] The second portion 3143 is specifically responsible for connecting with the base 313 , and its connection strength can be optimized (such as increasing the connection area, adopting a high-strength connection method) to ensure the firm fixation of the mounting base 314 and the base 313 .

[0059] like Figures 13 to 18 As shown, in one embodiment of the present application, an external thread 311 is provided on the first portion 3142 .

[0060] The threaded transmission of the first portion 3142 optimizes thread accuracy (such as profile tolerance and surface roughness) to ensure uniform clearance with the internal threads 22 of the staple cartridge 20 (reducing transmission lag). The second portion 3143 focuses on the rigid connection with the base 313 of the staple 30, enhancing connection strength through welding or integrated molding. Furthermore, the split design allows for more focused thread machining of the first portion 3142 (without having to consider the connection structure with the base 313), reducing machining complexity and improving thread accuracy.

[0061] like Figure 13 As shown, in another specific embodiment of the present application, an external thread 311 is provided on the mounting seat 314 .

[0062] like Figure 17 and Figure 18As shown, in one embodiment of the present application, the base 313 includes a connecting portion 3132 and a limiting portion 3133. The connection between the connecting portion 3132 and the limiting portion 3133 forms a first limiting surface 3131. The connecting portion 3132 is connected to the second portion 3143. The limiting portion 3133 can be a sleeve-fixed limiting ring or a protrusion provided on the side.

[0063] like Figure 18 As shown, in one embodiment of the present application, the base 313 is screwed to the second portion 3143 .

[0064] The threaded connection has a simple structure and self-locking properties, which can resist axial and radial external forces and effectively prevent loosening, making the connection between the base and the mounting seat simple and reliable.

[0065] like Figures 14 to 16 As shown, in one embodiment of the present application, a card hole 3134 is provided on one of the base 313 and the second part 3143, and a second clip 3144 matching the card hole 3134 is provided on the other, and the base 313 is snap-connected with the mounting base 314.

[0066] This simple connection method requires no tools and can be quickly completed by simply aligning, pressing, or snapping, enabling rapid assembly. Furthermore, by utilizing only the component's own second latch 3144 (e.g., a boss or slot), the overall structure is simplified, saving installation space and accommodating smaller, more compact product designs.

[0067] like Figures 14 to 16 As shown, in one embodiment of the present application, the first limiting surface 3131 is the end surface of the other end of the base 313 .

[0068] The end surface of the other end of the base 313 is directly used as the first limiting surface 3131 , without the need to additionally design and process independent limiting protrusions or grooves, thereby reducing the structural complexity of the base 313 .

[0069] like Figures 13 to 18 As shown, in one embodiment of the present application, the base 313 and the puncture portion 32 are an integrated structure, and the overall structure of the "base 313 + puncture portion 32" is directly processed through an integrated molding process, eliminating the assembly and welding processes of the separate components, reducing the processing steps and labor costs, while avoiding assembly errors, improving product consistency, and adapting to the mass production requirements of the suture staples 30. Specifically, as Figure 16As shown, in one embodiment of the present application, the second portion 3143 is provided with a second buckle 3144, and the base 313 is provided with a locking hole 3134 that mates with the second buckle 3144. After the connecting ring 33 is inserted into the mounting groove, the base 313 and the mounting base 314 are locked together. With this split structural design, the mounting base 314, including the second buckle 3144 and the external thread 311, can be CNC machined, while the base 313, including the locking hole 3134 and the puncture portion 32, can be integrally formed by laser cutting. The two can then be sleeved and assembled. This improves the processability of micro-component processing.

[0070] like Figure 2 and Figure 19 As shown, in one embodiment of the present application, there are multiple suture staples 30 , and the continuous rotary propelling suture staple 30 device further includes a second connecting member 62 , which connects the multiple suture staples 30 .

[0071] The second connector 62 integrates multiple suture staples 30 into a single unit, allowing the device to carry multiple staples 30 at once, eliminating the need for separate staple removal and stapling. This makes it particularly suitable for continuous suturing, reducing surgical interruptions, shortening operative time, and reducing operator fatigue. The second connector 62 can be a rope, elastic member, or other similar device. The second connector 62 can be connected to the connecting ring 33, or it can pass through the through-hole 312 and connect to the staple body 31; or it can be connected to the end face of the staple body 31; or the staple body 31 can be provided with a snap-fitting space, and the second connector 62 is provided with a snap-fitting member that snaps into the snap-fitting space to connect the second connector 62 to the staple body 31. Those skilled in the art can select the method of connecting the second connector 62 to the staple 30 as needed. When the suture staple does not have a connecting ring, the staple cartridge does not have a notch.

[0072] In a specific embodiment of the present application, the second connecting member 62 connects two suture staples 30. During use of the product, the second connecting member 62 is not easily entangled with the suture staples 30, and the structure is relatively simple.

[0073] Example 2 like Figure 4 、 Figure 7 、 Figure 11 and Figure 12 As shown, the structure of the second embodiment is substantially the same as that of the first embodiment, with the main difference being that one end of the nail magazine 20 is detachably connected to the outer tube 10 .

[0074] like Figure 11As shown, the staple cartridge 20 and staples 30 constitute a suturing assembly, which is serially connected to the suture thread via a connecting ring 33 outside the body. After all the staples 30 in the staple cartridge 20 are released, the continuous rotary propulsion staple 30 device is withdrawn from the body's natural cavity, the outer tube 10 and staple cartridge 20 are directly disassembled outside the body, and the rotating member 40 is inserted into the through-holes of the staples 30 in the staple cartridge 20. The staple cartridge 20 is then secured to the outer tube 10 to complete the assembly. The assembled continuous rotary propulsion staple 30 device is then delivered into the body's natural cavity for continuous suturing. This improves the efficiency of assembly and suturing operations.

[0075] like Figure 7 As mentioned above, in one embodiment of the present application, the outer tube 10 is threadedly connected to the nail magazine 20 .

[0076] The threaded connection has a simple structure and a self-locking property, which can resist axial and radial external forces and effectively prevent loosening, making the connection between the outer tube 10 and the nail magazine 20 more reliable.

[0077] In one embodiment of the present application, one end of the nail magazine is plugged into the end of the outer tube and connected through a first connecting piece.

[0078] The first connecting piece includes a cassette, which is sleeved on the overlapping portion of the nail magazine and the outer tube.

[0079] Assembly requires only pushing the cartridge axially along the outer tube and aligning the cartridge with the outer tube ends. This process requires no tools and is quick to assemble. The cassette adapts to the shape of the cartridge to completely fill the tiny gap between the cartridge and the outer tube, eliminating the risk of loosening or positional failure associated with traditional hard-contact connections.

[0080] In one embodiment of the present application, a first magnetic ring is provided at one end of the nail magazine, and a second magnetic ring that cooperates with the first magnetic ring is provided at the end of the outer tube.

[0081] One end of the nail magazine is plugged into the end of the outer tube and is connected via the magnetic force between the first magnetic ring and the second magnetic attraction ring.

[0082] The magnetic connection has a "self-priming positioning" feature. When the nail magazine is close to the outer tube, the first and second magnetic rings can automatically align and align, and the insertion and positioning can be completed without manual repeated position adjustment, which greatly shortens the nail magazine replacement or device assembly time. It is especially suitable for the scenario of emergency replacement of the nail magazine during surgery, reducing surgical interruptions and reducing the difficulty of operation for medical staff.

[0083] like Figure 12 As shown, in one embodiment of the present application, the outer tube 10 is connected to the nail magazine 20 via a snap assembly 70 .

[0084] The snap assembly 70 includes an elastic member 71 and a snap-fitting hole 72 . The elastic member 71 is snap-fitted to the snap-fitting hole 72 . One of the elastic member 71 and the snap-fitting hole 72 is provided on the outer tube 10 , and the other is provided on the nail magazine 20 .

[0085] The outer tube 10 snaps into place with the staple cartridge 20. This simple, tool-free connection is achieved simply by aligning, pressing, and snapping, enabling rapid assembly. Furthermore, the simple engagement of the elastic member 71 with the snap-in hole 72 simplifies the overall structure, saves installation space, and accommodates miniaturized and compact product designs.

[0086] In another embodiment of the present application, the snap assembly includes a snap joint and a snap hole, a first snap is provided on both sides of the snap joint, a snap hole is provided on the outer tube and the nail magazine, and the first snap is snapped into engagement with the snap hole.

[0087] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A continuous rotary propelling suture staple device, characterized in that: The continuous-fire rotary-propelled suturing staple device comprises: an outer tube; a staple cartridge, one end of which is fixedly connected to the outer tube, the staple cartridge having a receiving space, and a space wall of the receiving space being provided with an internal thread arranged along the length direction of the staple cartridge; at least one suture staple, the suture staple being disposed in the accommodation space, the suture staple comprising a staple body and a puncture portion, the surface of the staple body being provided with an external thread that matches the internal thread, and the staple body being provided with a through hole extending therethrough; a rotating member, one end of which is inserted into the through hole and is rotationally limited with the nail body; and A control member is connected to the other end of the rotating member to control the rotating member to rotate relative to the nail magazine.

2. A continuous rotary propelling suture staple device, characterized in that: The continuous-fire rotary-propelled suturing staple device comprises: an outer tube; a staple cartridge, one end of which is detachably connected to the outer tube, the staple cartridge having a receiving space, wherein a space wall of the receiving space is provided with an internal thread arranged along the length direction of the staple cartridge; at least one suture staple, the suture staple being disposed in the accommodation space, the suture staple comprising a staple body and a puncture portion, the surface of the staple body being provided with an external thread that matches the internal thread, and the staple body being provided with a through hole extending therethrough; a rotating member, one end of which is inserted into the through hole and is rotationally limited with the nail body; and A control member is connected to the other end of the rotating member to control the rotating member to rotate relative to the nail magazine.

3. The continuous rotary propelling suturing staple device according to claim 2, characterized in that: The outer tube is screwed to the nail magazine.

4. The continuous rotary propelling suturing staple device according to claim 2, characterized in that: One end of the nail cartridge is plugged into the end of the outer tube and connected via a first connector; The first connecting member includes a clip, and the clip is sleeved on the overlapping portion of the nail magazine and the outer tube.

5. The continuous rotary propelling suturing staple device according to claim 2, characterized in that: A first magnetic ring is provided at one end of the nail magazine, and a second magnetic ring is provided at the end of the outer tube to match the first magnetic ring; One end of the nail magazine is plugged into the end of the outer tube and is connected via the magnetic force between the first magnetic ring and the second magnetic attraction ring.

6. The continuous rotary propelling suturing staple device according to claim 2, characterized in that: The outer tube is connected to the nail magazine via a buckle assembly; The buckle assembly includes an elastic member and a clamping hole, the elastic member is clamped with the clamping hole, one of the elastic member and the clamping hole is provided on the outer tube, and the other is provided on the nail cartridge; Alternatively, the snap assembly includes a snap joint and a snap hole, first snaps are respectively provided on both sides of the snap joint, snap holes are respectively provided on the outer tube and the nail magazine, and the first snaps are snapped into the snap holes.

7. The continuous rotary propelling suturing staple device according to any one of claims 1 to 6, characterized in that: The control member is a flexible shaft, one end of the flexible shaft passes through the outer tube and is connected to the rotating member, and the other end of the flexible shaft extends out of the outer tube.

8. The continuous rotary propelling suturing staple device according to any one of claims 1 to 6, characterized in that: The control member includes a stator and a rotor. The arrangement position of the rotor corresponds to the position of the stator. The rotor is rotatable relative to the stator. The rotor is connected to the rotating member.

9. The continuous rotary propelling suturing staple device according to claim 8, characterized in that: The control component is a coreless motor, the output shaft of the coreless motor is connected to the rotating component, or the output shaft of the coreless motor is the rotating component.

10. The continuous rotary propelling suturing staple device according to any one of claims 1 to 6, characterized in that: A notch is provided on the side wall of the nail magazine and extends along the axial direction of the outer tube to the end surface of the other end of the nail magazine; The suture nail further includes a connecting ring, which is sleeved on the nail body and can rotate relative to the nail body, and a portion of the connecting ring is located in the notch; The continuous rotary propelling suturing nail device further comprises a suture, which is connected to the connecting ring.

11. The continuous rotary propelling suturing staple device according to claim 10, characterized in that: The nail body includes a base and a mounting seat, one end of the base is connected to the puncture part, and the mounting seat is fixed to the other end of the base. A first limiting surface is provided on the base, and a second limiting surface is provided on the mounting seat. A mounting groove is formed between the first limiting surface and the second limiting surface, and the connecting ring is sleeved in the mounting groove.

12. The continuous rotary propelling suturing staple device according to claim 11, characterized in that: The mounting seat includes a first part and a second part, wherein the second limiting surface is formed at the connection between the first part and the second part; and the second part is connected to the base.

13. The continuous rotary propelling suturing staple device according to claim 11, characterized in that: The external thread is provided on the mounting seat.

14. The continuous rotary propelling suturing staple device according to claim 12, characterized in that: The base includes a connecting portion and a limiting portion. The connection between the connecting portion and the limiting portion forms the first limiting surface. The connecting portion is connected to the second portion.

15. The continuous rotary propelling suturing staple device according to claim 12, characterized in that: The base is screwed to the second part.

16. The continuous rotary propelling suturing staple device according to claim 12, characterized in that: One of the base and the second part is provided with a clamping hole, and the other is provided with a second clamping buckle matched with the clamping hole, and the base is clamped with the mounting seat.

17. The continuous rotary propelling suturing staple device according to claim 11, characterized in that: The first limiting surface is the end surface of the other end of the base.

18. The continuous rotary propelling suturing staple device according to claim 11, characterized in that: The base and the puncture part are an integrated structure.

19. The continuous rotary propelling suturing staple device according to any one of claims 1 to 6, characterized in that: There are multiple suture staples, and the continuous rotary propelling suture staple device further includes a second connecting member, which connects the multiple suture staples.

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