Stitching instrument

Abstract

The stitching instrument comprises a first forceps arm and a second forceps arm, extension grooves are formed in the first forceps arm and the second forceps arm, extension plates are connected into the extension grooves in a sliding mode, one end of each extension plate is fixedly connected with a forceps head, a plurality of positioning holes are formed in one side face of each extension plate, and a limiting sliding groove is formed in one side face of each extension groove. Limiting sliding blocks fixedly connected with the surfaces of the extension plates are slidably connected into the limiting sliding grooves, and the extension plates are in limiting connection with the corresponding extension grooves through positioning mechanisms. According to the stitching instrument, the using length of the forceps arms can be adjusted according to requirements, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of surgical staplers, in particular to a stapler. Background Art

[0002] Female pelvic floor dysfunction is mainly due to pelvic floor connective tissue damage caused by various factors, resulting in pelvic floor structural defects, mainly manifested as pelvic organs such as uterus, bladder and rectum prolapse, and usually accompanied by urinary, reproductive and digestive system diseases such as dysuria, urinary incontinence, outlet obstructive constipation, fecal incontinence and prolapse ulcers. Among them, pelvic organ prolapse is a common social and health problem, which seriously affects the patient's family and quality of life. Surgical staplers are required to repair the pelvic floor function.

[0003] The Chinese patent application number CN202221185452.8 discloses a pelvic floor surgical stapler, which relates to the technical field of surgical staplers, and includes an upper clamp arm, a lower clamp arm and a hook needle. The upper clamp arm and the lower clamp arm are rotatably connected by a pin shaft, a needle threading hole is provided inside the hook needle, and a first limiting mechanism is provided on the outer surface of the hook needle.

[0004] However, the above-mentioned prior art still has some shortcomings in actual use. The length of the clamp arm of the above-mentioned prior art is fixed, and the length of the clamp arm cannot be adjusted according to the use requirements, which has certain limitations. For this reason, we propose a suturer. Utility Model Content

[0005] The utility model provides a suturing device, which solves the technical problems raised by the background technology in the prior art.

[0006] The utility model solves the above-mentioned technical problem with the following solution: it comprises a first clamp arm and a second clamp arm, each of which is provided with an extension groove inside, an extension plate is slidably connected inside the extension groove, a clamp head is fixedly connected to one end of the extension plate, a plurality of positioning holes are provided on one side of the extension plate, a limiting slide groove is provided on one side of the extension groove, a limiting slider fixedly connected to the surface of the extension plate is slidably connected inside the limiting slide groove, and the extension plate and the corresponding extension groove are limitedly connected via a positioning mechanism.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the clamp arm 1 and the clamp arm 2 are rotatably connected, and semicircular rings are fixedly connected to the surfaces of the clamp arm 1 and the clamp arm 2.

[0009] Furthermore, the surface of the extension plate is provided with scale lines, and the positioning mechanism includes a hollow cylinder that penetrates the corresponding clamp arm 1 and clamp arm 2 and is fixedly connected to the penetration portion.

[0010] Furthermore, a moving block is slidably connected inside the hollow cylinder, and one side of the moving block is fixedly connected to a positioning column that penetrates the hollow cylinder and is slidably connected to the penetrating portion, and the positioning column is slidably connected to the inside of the corresponding positioning hole.

[0011] Furthermore, a pull rod penetrating the hollow cylinder and slidably connected to the penetrating portion is fixedly connected to the other side of the moving block, and a pull handle is fixedly connected to one end of the pull rod.

[0012] Furthermore, a spring is sleeved on the surface of the pull rod, and both ends of the spring are respectively fixedly connected to the other surface of the moving block and one end inside the hollow cylinder.

[0013] Furthermore, a puncture mechanism is provided on the surface of the clamp head arranged at one end of the clamp arm.

[0014] The beneficial effects of the utility model are as follows: the utility model provides a stapler having the following advantages:

[0015] Through the cooperation between the set clamp head, positioning hole, extension plate, extension groove, limit slide groove, limit slider and positioning mechanism, the use length of the clamp arm can be limited and adjusted according to needs, thereby improving practicality.

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 A schematic structural diagram of a stapler provided by an embodiment of the utility model;

[0019] Figure 2 for Figure 1 A schematic cross-sectional view of a local structure of a stapler is provided;

[0020] Figure 3 for Figure 2 An enlarged schematic diagram of a local structure in a stapler is provided.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Clamp head; 2. Extension plate; 3. Scale line; 4. Pull handle; 5. Hollow cylinder; 6. Clamp arm one; 7. Semicircular ring; 8. Clamp arm two; 9. Positioning hole; 10. Extension groove; 11. Limit slide groove; 12. Limit slide block; 13. Positioning column; 14. Moving block; 15. Pull rod; 16. Spring. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] like Figure 1-3 As shown, the utility model provides a suturing device, including a clamp arm 1 6 and a clamp arm 2 8, wherein the clamp arm 1 6 and the clamp arm 2 8 are provided with an elongated groove 10, wherein an elongated plate 2 is slidably connected inside the elongated groove 10, wherein one end of the elongated plate 2 is fixedly connected to a clamp head 1, wherein a plurality of positioning holes 9 are provided on one side of the elongated plate 2, wherein a limiting slide groove 11 is provided on one side of the elongated groove 10, wherein a limiting slider 12 fixedly connected to the surface of the elongated plate 2 is slidably connected inside the limiting slide groove 11, wherein the elongated plate 2 is connected to the corresponding elongated groove 10 by a positioning mechanism.

[0027] Preferably, the clamp arm 1 6 and the clamp arm 2 8 are rotatably connected, and a semicircular ring 7 is fixedly connected to the surface of the clamp arm 1 6 and the clamp arm 2 8. The arrangement of the semicircular ring 7 facilitates the hand holding of the clamp arm 1 6 and the clamp arm 2 8.

[0028] Preferably, the surface of the extension plate 2 is provided with scale lines 3, and the positioning mechanism includes a hollow cylinder 5 that penetrates the corresponding clamp arm 1 6 and clamp arm 2 8 and is fixedly connected to the penetration portion.

[0029] Preferably, a moving block 14 is slidably connected inside the hollow cylinder 5, and a positioning column 13 is fixedly connected to one side of the moving block 14, which passes through the hollow cylinder 5 and is slidably connected to the penetrating portion. The positioning column 13 is slidably connected to the corresponding positioning hole 9. Through the cooperation between the set positioning column 13 and the positioning hole 9, the extension plate 2 and the extension groove 10 can be limitedly connected.

[0030] Preferably, the other side of the moving block 14 is fixedly connected with a pull rod 15 that passes through the hollow tube 5 and is slidably connected to the passing portion, and one end of the pull rod 15 is fixedly connected with a handle 4. The setting of the handle 4 facilitates pulling the pull rod 15 to drive the moving block 14 to slide.

[0031] Preferably, a spring 16 is sleeved on the surface of the pull rod 15 , with two ends fixedly connected to the other surface of the moving block 14 and one end inside the hollow cylinder 5 , respectively.

[0032] Preferably, a puncture mechanism is provided on the surface of the clamp head 1 provided at one end of the clamp arm 2 8 .

[0033] The specific working principle and use method of the utility model are as follows:

[0034] The utility model provides a suturing device. When in use, the pull handles 4 arranged on the clamp arm 1 6 and the clamp arm 2 8 are respectively rotated, so that the pull handles 4 drive the corresponding moving blocks 14 to slide in the corresponding hollow cylinder 5 through the corresponding pull rods 15, and then drive the corresponding positioning columns 13 to separate from the positioning holes 9. After separation, the limiting relationship between the extension groove 10 and the extension plate 2 is released, and then the extension plate 2 can be directly pulled to adjust the use length of the clamp arm. After adjusting to a suitable length, the pull handle 4 is released, so that the moving block 14 is reset and slid under the action of the spring 16, so that the moving block 14 drives the positioning column 13 to move in the opposite direction, so that the positioning column 13 slides into the corresponding positioning hole 9 at this time, thereby completing the limiting between the extension plate 2 and the extension groove 10, and the lengths of the two extension plates 2 can be adjusted to the same length for use through the set scale lines 3.

[0035] The above description is only a preferred embodiment of the utility model and does not impose any form of limitation on the utility model. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.

Claims

1. A stapler, comprising a first clamp arm (6) and a second clamp arm (8), characterized in that: The first clamp arm (6) and the second clamp arm (8) are both provided with an extension groove (10), and an extension plate (2) is slidably connected inside the extension groove (10), and a clamp head (1) is fixedly connected to one end of the extension plate (2), and a plurality of positioning holes (9) are provided on one side of the extension plate (2), and a limiting slide groove (11) is provided on one side of the extension groove (10), and a limiting slider (12) fixedly connected to the surface of the extension plate (2) is slidably connected inside the limiting slide groove (11), and the extension plate (2) and the corresponding extension groove (10) are connected to each other by a positioning mechanism.

2. A stapler according to claim 1, characterized in that: The clamp arm 1 (6) and the clamp arm 2 (8) are rotatably connected, and the surfaces of the clamp arm 1 (6) and the clamp arm 2 (8) are both fixedly connected with a semicircular ring (7).

3. A stapler according to claim 1, characterized in that: The surface of the extension plate (2) is provided with scale lines (3), and the positioning mechanism comprises a hollow cylinder (5) which penetrates the corresponding clamp arm 1 (6) and clamp arm 2 (8) and is fixedly connected to the penetration portion.

4. A stapler according to claim 3, characterized in that: The hollow cylinder (5) is slidably connected to a moving block (14), one side of the moving block (14) is fixedly connected to a positioning column (13) that penetrates the hollow cylinder (5) and is slidably connected to the penetration portion, and the positioning column (13) is slidably connected to the inside of the corresponding positioning hole (9).

5. A stapler according to claim 4, characterized in that: The other side of the moving block (14) is fixedly connected to a pull rod (15) that penetrates the hollow cylinder (5) and is slidably connected to the penetration portion, and one end of the pull rod (15) is fixedly connected to a pull handle (4).

6. A stapler according to claim 5, characterized in that: The surface of the pull rod (15) is sleeved with a spring (16) whose two ends are respectively fixedly connected to the other surface of the moving block (14) and one end inside the hollow cylinder (5).

7. A stapler according to claim 1, characterized in that: A puncture mechanism is provided on the surface of the clamp head (1) arranged at one end of the second clamp arm (8).

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