Disposable minimally invasive expansion drainage kit

Abstract

The utility model discloses a disposable minimally invasive dilatation drainage kit which comprises a drainage cannula, a connector is fixedly installed on the outer surface of one end of the drainage cannula, and a cannula limiting structure is installed on the outer wall of the drainage cannula. The intubation tube limiting structure comprises a limiting plate, a pulling piece, a tube passing hole, an arc-shaped limiting block, an anti-skid protrusion, a through hole, a sliding groove, a guide rod, a movable block and a compression spring, the tube passing hole is formed in one end of the outer surface of the upper end of the intubation tube limiting structure, and the drainage intubation tube penetrates through the tube passing hole. According to the disposable minimally invasive dilatation drainage kit, the cannula limiting structure is installed on the outer wall of the drainage cannula and plays a role in positioning and limiting during cannula insertion, the position of the cannula limiting structure on the drainage cannula can be conveniently adjusted through the cannula limiting structure, and operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of medical technology, specifically a disposable minimally invasive dilation and drainage kit. Background Technology

[0002] Specifically designed for neuro- and cardiovascular surgery, it helps surgeons dilate and drain blood vessels during procedures, providing better visibility and operational space. It is also widely used in urology, particularly for dilating and establishing access during percutaneous nephrolithotomy and endoscopic instrument placement in patients with kidney stones or hydronephrosis.

[0003] In existing technologies, when using disposable minimally invasive dilatation and drainage kits, the drainage tube needs to be inserted into the body. Since the disposable minimally invasive dilatation and drainage kit itself lacks positioning and limiting structures, a rope knot needs to be tied to the outer wall of the drainage tube before insertion into the body for positioning and limiting, which is inconvenient to use.

[0004] Therefore, we propose a disposable, minimally invasive dilation and drainage kit. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a disposable minimally invasive dilation and drainage kit, which has the advantages of a cannula limiting structure and easy adjustment of the position of the cannula limiting structure on the drainage cannula, and can effectively solve the problems in the background technology.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a disposable minimally invasive dilation and drainage kit, including a drainage tube, a connector fixedly installed on the outer surface of one end of the drainage tube, and a tube limiting structure installed on the outer wall of the drainage tube. The tube limiting structure includes a limiting plate, a pull tab, a tube passage hole, an arc-shaped limiting block, an anti-slip protrusion, a through hole, a sliding groove, a guide rod, a movable block, and a compression spring. The tube passage hole is opened at one end of the upper outer surface of the tube limiting structure, and the drainage tube passes through the tube passage hole.

[0009] Preferably, the groove is formed on one side of the pipe hole, the through hole is formed in the middle of the outer surface of one end of the limiting plate, and the through hole communicates with the groove.

[0010] Preferably, the movable block and the compression spring are both located in the slide groove, the guide rod passes through the through hole, the pull tab is located in the middle of one end of the limiting plate, and the pull tab is fixedly installed on the outer surface of one end of the guide rod.

[0011] Preferably, the outer surface of the other end of the guide rod is fixedly connected to the middle of the outer surface of one side of the arc-shaped limiting block, and the anti-slip protrusion is provided on the outer surface of the other side of the arc-shaped limiting block.

[0012] Preferably, the movable block is fixedly installed on the outer wall of the guide rod near the arc-shaped limiting block, and the compression spring is fixedly installed between one side of the outer surface of the movable block and the outer surface of the slide groove near the through hole.

[0013] Preferably, the outer wall of the arc-shaped limiting block is slidably connected to the slide groove, the outer wall of the movable block is slidably connected to the slide groove, one side of the outer surface of the movable block is elastically connected to one end of the slide groove by a compression spring, and the outer wall of the guide rod is slidably connected to the through hole.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a disposable minimally invasive dilation and drainage kit, which has the following beneficial effects:

[0016] 1. This disposable minimally invasive dilation and drainage kit features an insertion tube limiting structure installed on the outer wall of the drainage tube, which serves to position and limit the tube during insertion.

[0017] 2. This disposable minimally invasive dilation and drainage kit features an insertion tube limiting structure that facilitates adjustment of the insertion tube's position on the drainage tube, making operation convenient. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of a disposable minimally invasive dilation and drainage kit according to the present invention.

[0019] Figure 2 This is a schematic diagram of the insertion tube limiting structure in a disposable minimally invasive dilation and drainage kit of this utility model.

[0020] Figure 3 This is a top cross-sectional view of the cannula limiting structure in a disposable minimally invasive dilation and drainage kit of this utility model.

[0021] Figure 4 This is a schematic diagram of the arc-shaped limiting block in a disposable minimally invasive dilation and drainage kit of this utility model.

[0022] In the diagram: 1. Drainage cannula; 2. Connector; 3. Cannula limiting structure; 4. Limiting plate; 5. Pull tab; 6. Tube passage hole; 7. Arc-shaped limiting block; 8. Anti-slip protrusion; 9. Through hole; 10. Slide groove; 11. Guide rod; 12. Movable block; 13. Compression spring. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] This embodiment is a disposable minimally invasive expansion and drainage kit.

[0025] like Figure 1-4 As shown, the device includes a drainage tube 1, with a connector 2 fixedly installed on the outer surface of one end of the drainage tube 1. A tube limiting structure 3 is installed on the outer wall of the drainage tube 1. The tube limiting structure 3 includes a limiting plate 4, a pull tab 5, a tube hole 6, an arc-shaped limiting block 7, an anti-slip protrusion 8, a through hole 9, a sliding groove 10, a guide rod 11, a movable block 12, and a compression spring 13. The tube hole 6 is opened at one end of the upper outer surface of the tube limiting structure 3, and the drainage tube 1 passes through the tube hole 6.

[0026] A groove 10 is formed on one side of the pipe hole 6, and a through hole 9 is formed in the middle of the outer surface of one end of the limiting plate 4, communicating with the groove 10. The movable block 12 and the compression spring 13 are both located in the groove 10. The guide rod 11 passes through the through hole 9, and the pull tab 5 is located in the middle of one end of the limiting plate 4, and the pull tab 5 is fixedly installed on the outer surface of one end of the guide rod 11. The outer surface of the other end of the guide rod 11 is fixedly connected to the middle of the outer surface of one side of the arc-shaped limiting block 7, and the anti-slip protrusion 8 is provided on the outer surface of the other side of the arc-shaped limiting block 7. The movable block 12 is fixedly installed on the outer wall of the guide rod 11 near the arc-shaped limiting block 7. The compression spring 13 is fixedly installed between one side of the outer surface of the movable block 12 and the outer surface of the slide groove 10 near the through hole 9. The outer wall of the arc-shaped limiting block 7 and the slide groove 10 are slidably connected. The outer wall of the movable block 12 and the slide groove 10 are slidably connected. One side of the outer surface of the movable block 12 is elastically connected to one end of the slide groove 10 through the compression spring 13. The outer wall of the guide rod 11 and the through hole 9 are slidably connected.

[0027] It should be noted that this utility model is a disposable minimally invasive dilation and drainage kit. The drainage tube 1 and connector 2 described in this article are both existing technologies and can be effectively known to those skilled in the art. Specific details will not be elaborated further. The insertion tube limiting structure 3 is set and limits the drainage tube 1 on its outer wall, thus providing positioning and limiting when the drainage tube 1 is inserted into the body. When the position of the insertion tube limiting structure 3 on the drainage tube 1 needs to be adjusted, the pull tab 5 is pulled, and the pull tab 5 drives the guide rod 11 along the outer wall of the through hole 9. As the tube slides, the guide rod 11 drives the movable block 12 to press the compression spring 13 in the slide groove 10. The guide rod 11 drives the arc-shaped limiting block 7 and the anti-slip protrusion 8 into the slide groove 10. Then, the limiting plate 4 moves along the outer wall of the drainage tube 1. After reaching the desired position, the pull tab 5 is released. Due to the reaction force of the compression spring 13, the arc-shaped limiting block 7 and the anti-slip protrusion 8 are reset, so that the anti-slip protrusion 8 contacts the outer wall of the drainage tube 1, improving the anti-slip property. The tube limiting structure 3 is installed on the outer wall of the drainage tube 1, which plays a positioning role.

[0028] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A disposable minimally invasive dilation and drainage kit, comprising a drainage cannula (1), wherein a connector (2) is fixedly installed on the outer surface of one end of the drainage cannula (1), characterized in that: The outer wall of the drainage cannula (1) is equipped with a cannula limiting structure (3). The cannula limiting structure (3) includes a limiting plate (4), a pull tab (5), a cannula hole (6), an arc-shaped limiting block (7), an anti-slip protrusion (8), a through hole (9), a sliding groove (10), a guide rod (11), a movable block (12), and a compression spring (13). The cannula hole (6) is opened at one end of the upper outer surface of the cannula limiting structure (3), and the drainage cannula (1) passes through the cannula hole (6).

2. The disposable minimally invasive dilation and drainage kit according to claim 1, characterized in that: The chute (10) is opened on one side of the pipe hole (6), and the through hole (9) is opened in the middle of the outer surface of one end of the limiting plate (4). The through hole (9) is connected to the chute (10).

3. The disposable minimally invasive dilation and drainage kit according to claim 2, characterized in that: The movable block (12) and the compression spring (13) are both located in the slide groove (10), the guide rod (11) passes through the through hole (9), the pull tab (5) is located in the middle of one end of the limiting plate (4), and the pull tab (5) is fixedly installed on the outer surface of one end of the guide rod (11).

4. The disposable minimally invasive dilation and drainage kit according to claim 3, characterized in that: The outer surface of the other end of the guide rod (11) is fixedly connected to the middle of the outer surface of one side of the arc-shaped limiting block (7), and the anti-slip protrusion (8) is provided on the outer surface of the other side of the arc-shaped limiting block (7).

5. A disposable minimally invasive dilation and drainage kit according to claim 4, characterized in that: The movable block (12) is fixedly installed on the outer wall of the guide rod (11) near the arc-shaped limiting block (7), and the compression spring (13) is fixedly installed between the outer surface of one side of the movable block (12) and the outer surface of the slide groove (10) near the through hole (9).

6. The disposable minimally invasive dilation and drainage kit according to claim 5, characterized in that: The outer wall of the arc-shaped limiting block (7) is slidably connected to the slide groove (10), the outer wall of the movable block (12) is slidably connected to the slide groove (10), one side of the outer surface of the movable block (12) is elastically connected to one end of the slide groove (10) through a compression spring (13), and the outer wall of the guide rod (11) is slidably connected to the through hole (9).

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