Soft tissue clamp capable of being bent, rotated and repeatedly opened and closed

Abstract

The soft tissue clamp capable of being bent, rotated and repeatedly opened and closed comprises a handle, an outer tube is fixedly connected to the lower portion of the handle, a bent part is arranged at the open end of the outer tube, and a clamp assembly is detachably arranged on the bent part; a sliding block is arranged on the handle in a sliding mode, control gears are rotatably arranged on the left side and the right side of the sliding block through buckles, a control rope is wound around the control gears, the other end of the control rope is fixedly connected with a bent part on the outer pipe, and the bent part on the outer pipe can be controlled to be bent by rotating the control gears. Accurate bending is achieved through gear control, and multi-angle operation can be achieved; the inhaul cable is matched with the clamp assembly, repeated opening and closing are achieved, and surgical instrument replacement is reduced; and the dual-control gear is matched with the limiting piece to realize single-hand micro-operation. The device is reasonable in structural design, remarkably improves the operation efficiency and safety, and is suitable for various minimally invasive operation scenes.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more particularly to a bendable, rotatable, repeatedly openable and closable soft tissue clip. Background Art

[0002] In the existing soft tissue clip technology, most products have problems of insufficient operation flexibility and large use limitations. Traditional soft tissue clips are difficult to achieve multi-angle bending. In a complex surgical environment, it is difficult for doctors to operate precisely, which affects the surgical efficiency and effect. At the same time, the clip assembly is usually designed for one-time opening and closing. Once closed, it cannot be adjusted again. If an operation error occurs, the entire instrument needs to be replaced, which not only increases the surgical cost, but also prolongs the surgical time and increases the patient's risk. In addition, the handle design does not conform to ergonomics, and long-term holding is likely to cause hand fatigue of doctors, affecting the operation stability. These defects all need to be improved urgently. Summary of the Invention

[0003] The present invention provides a bendable, rotatable, repeatedly openable and closable soft tissue clip to solve the problems existing in the prior art.

[0004] To achieve the above object, an embodiment of the present invention provides a bendable, rotatable, repeatedly openable and closable soft tissue clip, including: a handle, a outer tube is fixedly connected below the handle, a bending portion is provided at the open end of the outer tube, and a clip assembly is detachably provided on the bending portion; a slider is slidably provided on the handle, control gears are rotatably provided on the left and right sides of the slider through buckles, a control rope is wound around the control gears, and the other end of the control rope is fixedly connected to the bending portion on the outer tube. Rotating the control gears can control the bending of the bending portion on the outer tube.

[0005] Preferably, a thumb loop is fixedly connected to the top end of the handle.

[0006] Preferably, a cable is provided at a position concentric with the handle inside the slider. Sliding the slider on the handle can control the cable to be pulled up and down inside the outer tube.

[0007] Preferably, clamping grooves are provided on both sides of the control gear, and the convex blocks on the buckles are in interference fit with the clamping grooves, so that the control gear rotates on the buckles; a plurality of teeth are evenly distributed on the circumferential outer surface of the control gear, a limiting piece is provided on the opposite surface of the buckle and the teeth, and the limiting piece restricts the rotation of the control gear through the teeth; a storage groove is provided below the teeth of the control gear for storing the control rope.

[0008] Preferably, a positioning cap is further provided at the connection part between the handle and the outer tube, a rotating ring is rotatably provided inside the positioning cap, and a through hole is provided on the rotating ring, and the control rope passes through the through hole.

[0009] Preferably, the bending part includes a limiting ring which is fixedly connected to one end of the spring coil, and the other end of the spring coil is fixedly connected to the fixed block; the control rope passes through the limiting ring and is fixedly connected to the fixed block; a convex block is provided on the side wall of the fixed block, and a groove is provided on the inner wall of the outer tube, and the fixed block can move up and down and rotate within the range of the groove.

[0010] Preferably, the end of the cable is fixedly connected to an over-cap, and the over-cap is fixedly connected to the fixed block; the diameter of the over-cap is smaller than the diameter of the outer tube; a double-card arm is fixedly connected to the over-cap.

[0011] Preferably, the double-card arm on the over-cap detachably clamps a clip assembly; the clip assembly includes a clip seat, two clip arms are movably connected to the clip seat, the two are connected to a connecting rod through a rotating shaft, and the connecting rod is clamped in the double-card arm on the over-cap, and the opening and closing of the clip arms are controlled by the up and down movement of the over-cap.

[0012] Preferably, a groove is further provided on the outer wall of the outer tube, a moving ring is rotatably provided in the groove, and the moving ring is horizontally fixedly connected to a guiding ring, and the guiding ring can cooperate with the guiding cable for guiding work.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] The beneficial effects of the present invention are as follows: 1) Through the synergistic effect of the bending part and the control gear, 360° rotation and multi-angle bending are realized to adapt to complex anatomical structures; 2) The design of the slider and the cable simplifies the operation and improves the clamping accuracy and efficiency; 3) The cooperation of the double control gears and the limiting piece realizes single-handed micro-operation; 4) The design of the positioning cap and the rotating ring enhances the stability of the control rope and avoids entanglement. This device is particularly suitable for precise clamping and fixing of soft tissues in minimally invasive surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0016] Figure 1 The drawings are the structural schematic diagrams of the present invention.

[0017] Figure 2 The drawings are the structural schematic diagrams of the handle of the present invention.

[0018] Figure 3 The drawings are the structural schematic diagrams of the control gear of the present invention.

[0019] Figure 4The accompanying drawing is a schematic internal structure diagram of the bending part of the present invention.

[0020] Figure 5 The accompanying drawing is a schematic structure diagram of the clip assembly of the present invention.

[0021] Figure 6 The accompanying drawing is a schematic structure diagram of the guide ring of the present invention.

[0022] Reference numerals: 1, handle; 2, outer tube; 3, clip assembly; 11, slider; 12, control gear; 13, positioning cap; 14, cable; 15, control rope; 16, thumb loop; 17, rotating ring; 18, limiting ring; 19, spring ring; 20, fixing block; 21, transition cap; 121, buckle; 122, storage groove; 123, limiting piece; 223, moving ring; 224, guiding ring. Detailed implementation manners

[0023] For the convenience of those skilled in the art to understand, the following will describe multiple implementation manners of this patent in combination with text and drawings. For the sake of clear description, many practical details will be described together in the following narrative. However, it should be understood that these practical details in the description should not be used to limit this patent. That is to say, in some implementation manners of this patent, these practical details are not necessary. In addition, for the convenience of understanding, some conventional structures and components will be shown in a simple schematic manner in the drawings.

[0024] In the description of this patent, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to this patent.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this patent, "a plurality" means two or more, unless otherwise specifically defined.

[0026] In this patent, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0027] In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this patent.

[0028] Please refer to the append Figure 1 , which discloses a bendable, rotatable, repeatedly openable and closable soft tissue clip of the present invention, including: a handle 1, a lower end of the handle 1 is fixedly connected with an outer tube 2, an open end of the outer tube 2 is provided with a bending part, and a clip assembly 3 is detachably arranged on the bending part; a slider 11 is slidably arranged on the handle 1, control gears 12 are rotatably arranged on the left and right sides of the slider 11 through buckles 121, a control rope 15 is wound around the control gears 12, and the other end of the control rope 15 is fixedly connected with the bending part on the outer tube 2. Rotating the control gear 12 can control the bending of the bending part on the outer tube 2.

[0029] Please refer to the append Figure 2 , to further optimize the above technical solution, a thumb loop 16 is fixedly connected to the top end of the handle 1. The user inserts the thumb into the thumb loop 16, and the index finger and middle finger are inserted into the two control gears 12.

[0030] To further optimize the above technical solution, a cable 14 is arranged at a position concentric with the handle 1 inside the slider 11. Sliding the slider 11 on the handle 1 can control the up and down pulling of the cable 14 inside the outer tube 2.

[0031] Please refer to the append Figure 3 , to further optimize the above technical solution, clamping grooves are arranged on both sides of the control gear 12, and the convex blocks on the buckles 121 are in interference fit with the clamping grooves, so that the control gear 12 rotates on the buckles 121; a plurality of teeth are evenly distributed on the circumferential outer surface of the control gear 12, a limiting piece 123 is arranged on the surface of the buckle 121 opposite to the teeth, and the limiting piece 123 restricts the rotation of the control gear 12 through the teeth; a storage groove 122 is arranged below the teeth of the control gear 12 for storing the control rope 15.

[0032] The rotation control gear 12 controls the winding and storage of the control rope 15 on the storage groove 122. The limit piece 123 can fix the rotation angle of the control gear 12 to ensure the locking of the bending angle of the outer tube 2.

[0033] To further optimize the above technical solution, a positioning cap 13 is also provided at the connection part between the handle 1 and the outer tube 2. A rotating ring 17 is rotatably provided inside the positioning cap 13. Through holes are provided on the rotating ring 17, and the control rope 15 passes through the through holes.

[0034] The rotating ring 17 can achieve 360° rotation of the clip assembly 3 to prevent the control rope 15 from being wound and knotted in the outer tube 2.

[0035] Please refer to the appendix Figure 4 To further optimize the above technical solution, the bending part includes a limit ring 18. One end of a spring coil 19 is fixedly connected to the limit ring 18, and the other end of the spring coil 19 is fixedly connected to a fixed block 20. The control rope 15 passes through the limit ring 18 and is fixedly connected to the fixed block 20. A convex block is provided on the side wall of the fixed block 20, and a groove is provided on the inner wall of the outer tube 2. The fixed block 20 can move up and down and rotate within the range of the groove.

[0036] The length of the groove is the same as the moving distance of the connecting rod. When the convex block on the side wall of the fixed block 20 is at the bottom of the groove, the clip is opened. When the convex block on the side wall of the fixed block 20 is at the top of the groove, the clip is closed.

[0037] To further optimize the above technical solution, the end of the cable 14 is fixedly connected to an overcap 21. The overcap 21 is fixedly connected to the fixed block 20. The diameter of the overcap 21 is smaller than the diameter of the outer tube 2. A double card arm is fixedly connected to the overcap 21.

[0038] Please refer to the appendix Figure 5 To further optimize the above technical solution, the double card arm on the overcap 21 detachably clamps the clip assembly 3. The clip assembly 3 includes a clip seat. Two clip arms are movably connected to the clip seat. The two are connected to a connecting rod through a rotating shaft. The connecting rod is clamped in the double card arm on the overcap 21, and the opening and closing of the clip arms are controlled by the up and down movement of the overcap 21.

[0039] Please refer to the appendix Figure 6 To further optimize the above technical solution, a groove is also provided on the outer wall of the outer tube 2. A moving ring 223 is rotatably provided in the groove. The moving ring 223 is horizontally fixedly connected to a guiding ring 224. When in use, first insert the guiding cable into the patient's body, and then insert the guiding ring 224 into the guiding cable, so that the tissue clip can quickly reach the designated position.

[0040] Working principle

[0041] In use, the doctor inserts the thumb into the thumb loop 16, and inserts the index finger and middle finger into the two control gears 12. By moving the two control gears 12, the slider 11 on the handle 1 is pushed, driving the cable 14 to move up and down, and then pulling the overcap 21 to open and close the clip assembly to clamp the wound. If it is necessary to adjust the bending angle of the outer tube 2, the control gear 12 can be rotated, and the control rope 15 pulls the fixed block 20 at the bending part, deforming the spring coil 19 to achieve the bending of the bending part on the outer tube 2. Since the positioning cap 13 is provided with a rotating ring 17, a 360° rotation of the clip assembly 3 can also be achieved. The limiting piece 123 is engaged with the teeth of the control gear 12 to fix the rotation angle of the control gear 12 and ensure the locking of the bending part angle of the outer tube 2. When adjusting the bending of the outer tube 2, the doctor can take out the thumb from the operation control gear 12 and hold the thumb loop 16 in the palm to provide a stable grip, meeting the requirements of multi-angle and repeated operations of the soft tissue clip during the operation. When the clip arm touches the position to be clamped, the slider 11 is pulled backward to close the clip arm. After the clip arm is closed, the doctor feels that the slider 11 is significantly stuck. Continuing to apply force to pull the slider 11 backward, the fixed block 20 disengages from the groove on the outer tube 2, driving the buckle of the overcap 21 to disengage from the clip assembly, so that the clip assembly continues to be clamped in the patient's body, and the doctor can withdraw the entire soft tissue clip.

[0042] The various embodiments in this specification are described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the various embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flexible, rotatable, and repeatedly openable and closable soft tissue clamp, characterized in that: Comprising: A handle (1), a outer tube (2) is fixedly connected below the handle (1), the open end of the outer tube (2) is provided with a bending part, and a clip assembly (3) is detachably arranged on the bending part; A slider (11) is slidably arranged on the handle (1), control gears (12) are rotatably arranged on the left and right sides of the slider (11) through buckles (121), a control rope (15) is wound around the control gears (12), and the other end of the control rope (15) is fixedly connected to the bending part on the outer tube (2). Rotating the control gear (12) can control the bending of the bending part on the outer tube (2).

2. The bendable, rotatable, repeatedly openable and closable soft tissue clip according to claim 1, wherein A thumb loop (16) is fixedly connected to the top end of the handle (1).

3. The bendable, rotatable, repeatedly openable and closable soft tissue clip according to claim 1, characterized in that, A cable (14) is arranged at a position concentric with the handle (1) inside the slider (11). Sliding the slider (11) on the handle (1) can control the up and down pulling of the cable (14) inside the outer tube (2).

4. The bendable, rotatable, repeatedly openable and closable soft tissue clip according to claim 1, wherein Card slots are arranged on both sides of the control gear (12), and the bumps on the buckle (121) are in interference fit with the card slots, so that the control gear (12) rotates on the buckle (121); A plurality of teeth are evenly distributed on the outer circumferential surface of the control gear (12). A limiting piece (123) is arranged on the opposite surface of the buckle (121) and the teeth. The limiting piece (123) restricts the rotation of the control gear (12) through the teeth; A storage groove (122) is arranged below the teeth of the control gear (12) for storing the control rope (15).

5. The bendable, rotatable, repeatedly openable and closable soft tissue clip according to claim 1, wherein, A positioning cap (13) is further arranged at the connecting part of the handle (1) and the outer tube (2). A rotating ring (17) is rotatably arranged inside the positioning cap (13), and through holes are arranged on the rotating ring (17). The control rope (15) passes through the through holes.

6. The bendable, rotatable, repeatedly openable and closable soft tissue clip according to claim 3, wherein The bending part includes a limiting ring (18), one end of a spring coil (19) is fixedly connected to the limiting ring (18), and the other end of the spring coil (19) is fixedly connected to a fixed block (20); The control rope (15) passes through the limiting ring (18) and is fixedly connected to the fixed block (20); A bump is arranged on the side wall of the fixed block (20), and a groove is arranged on the inner wall of the outer tube (2). The fixed block (20) can move up and down and rotate within the range of the groove.

7. The bendable, rotatable, repeatedly openable and closable soft tissue clip according to claim 6, characterized in that, The end of the cable (14) is fixedly connected to a transition cap (21), and the transition cap (21) is fixedly connected to the fixed block (20); The diameter of the transition cap (21) is smaller than the diameter of the outer tube (2); A double card arm is fixedly connected to the transition cap (21).

8. The flexible, rotatable, repeatedly openable and closable soft tissue clamp according to claim 7, characterized in that: The double card arm on the transition cap (21) detachably clamps the clip assembly (3); The clip assembly (3) includes a clip seat, two clip arms are movably connected to the clip seat, the two are connected to a connecting rod through a rotating shaft, and the connecting rod is clamped in the double card arm on the transition cap (21). The opening and closing of the clip arms are controlled by the up and down movement of the transition cap (21).

9. The bendable, rotatable, repeatedly openable and closable soft tissue clip according to claim 1, wherein A groove is further arranged on the outer wall of the outer tube (2), and a moving ring (223) is rotatably arranged in the groove. The moving ring (223) is horizontally fixedly connected to a guiding ring (224), and the guiding ring (224) can cooperate with the guiding cable for guiding work.

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