Arthroscopic nail placement sleeve

Abstract

The utility model discloses a kind of arthroscopic nail setting sleeve, including sleeve, the upper end of the sleeve is provided with silica gel cover, the inside of the sleeve is provided with barrel cavity, the both sides of the barrel cavity are also provided with the guide cavity that passes through the sleeve, the inside of the guide cavity can be inserted with kirschner wire exactly, the outside of the sleeve is provided with external thread, cross water-blocking mouth is cut on the silica gel cover, the sleeve is also provided with flow limiting valve, after using sleeve opening, then nail setting can avoid the failure caused by the difficulty in finding original opening position due to synovial membrane and other tissue blocking vision or other reasons, also can greatly increase nail setting efficiency and accuracy.

Description

Technical Field

[0001] This utility model relates to the field of arthroscopic screw placement sleeves, specifically to an arthroscopic screw placement sleeve. Background Technology

[0002] During arthroscopic surgery, the repeated insertion and exit of instruments can easily lead to multiple perforations in the joint capsule, increasing the potential for damage to vital neurovascular tissues. This is particularly true in shoulder arthroscopy, where the thick shoulder muscles and the multiple anatomical layers traversed to enter the joint cavity from the body surface mean that even slight deviations in direction can cause instruments to enter the wrong layer, making it impossible to position them correctly. Therefore, a telescope is typically used to establish a percutaneous working channel, allowing other arthroscopic instruments to enter the joint cavity through this channel.

[0003] In arthroscopic surgery, the sleeve serves to create a channel and provide protection. Without the protection of the sleeve, repeated insertion and removal of the instrument can exacerbate damage to local anatomical structures. Furthermore, intraoperative irrigation fluid can seep into the anatomical layers through the incision; the use of the sleeve can, to a certain extent, reduce fluid infiltration and alleviate limb swelling.

[0004] Therefore, this utility model proposes an arthroscopic screw placement sleeve. Utility Model Content

[0005] In order to overcome the defects in the prior art, this utility model provides an arthroscopic screw placement sleeve. Using the sleeve with an opening before screw placement can avoid screw placement failure caused by the synovium or other tissues obstructing the view or other reasons making it difficult to find the original opening position. It can also greatly increase the efficiency and accuracy of screw placement.

[0006] Technical solution

[0007] An arthroscopic pin placement sleeve includes a sleeve with a silicone cap at the upper end. The sleeve has a cavity inside, and guide cavities penetrating the sleeve are provided on both sides of the cavity. Kirschner wires can be inserted into the guide cavities.

[0008] Furthermore, the sleeve is provided with external threads on its exterior.

[0009] Furthermore, the silicone cap is cut with a cross-shaped water-blocking opening.

[0010] Furthermore, a flow-limiting valve is also provided on the sleeve.

[0011] Furthermore, the outer diameter of the Kirschner wire and the inner diameter of the guide cavity are both 1.2 mm.

[0012] Furthermore, the distance between the upper end of the Kirschner wire and the upper end of the silicone cap is 5mm.

[0013] Beneficial effects

[0014] Compared with the prior art, this utility model has the following advantages: using a sleeve opening before nail placement can avoid nail placement failure caused by the original opening position being difficult to find due to obstruction of vision by tissues such as synovium or other reasons, and can also greatly increase nail placement efficiency and accuracy. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an arthroscopic screw placement sleeve according to the present invention;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure in the AA direction;

[0017] Figure 3 This is a schematic diagram of the silicone cap.

[0018] Attached icon number

[0019] 1. Sleeve; 2. Guide cavity; 3. Kirschner wire; 4. External thread; 5. Silicone cap; 6. Cross-shaped water blocking port; 7. Flow limiting valve; 8. Cylinder cavity. Detailed Implementation

[0020] To better illustrate the content of this utility model, the following description is provided in conjunction with the accompanying drawings and embodiments:

[0021] have Figures 1-3 As shown, this utility model discloses an arthroscopic pin placement sleeve, including a sleeve 1, a silicone cap 5 at the upper end of the sleeve 1, a cavity 8 inside the sleeve 1, and guide cavities 2 penetrating the sleeve 1 on both sides of the cavity 8, wherein Kirschner wires 3 can be inserted into the guide cavities 2.

[0022] Furthermore, the sleeve is provided with external threads 4 on its exterior.

[0023] Furthermore, the silicone cap 5 has a cross-shaped water-blocking opening 6 cut on it.

[0024] Furthermore, a flow limiting valve 7 is also provided on the sleeve 1.

[0025] Furthermore, the Kirschner wire 3 penetrates the silicone cap 5.

[0026] Furthermore, the outer diameter of the Kirschner wire 3 and the inner diameter of the guide cavity 2 are 1.2 mm.

[0027] Furthermore, the distance between the upper end of the Kirschner wire 3 and the upper end of the silicone cap 5 is 5mm.

[0028] Specifically, when inserting the anchor, the sleeve 1 is inserted into the joint cavity. After determining the position, the Kirschner wire 3 is gently tapped into the joint cavity to fix the sleeve 1. Then, the cross-shaped water-blocking port 6 is opened with the matching anchor opening tool before the anchor is inserted.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the technical solutions of this utility model have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of this utility model.

Claims

1. An arthroscopic screw placement sleeve, characterized in that: Includes a sleeve (1), the upper end of which is provided with a silicone cap (5), the inside of which is provided with a cylindrical cavity (8), and the two sides of the cylindrical cavity (8) are also provided with guide cavities (2) that penetrate the sleeve (1), and the inside of the guide cavity (2) can be used to insert Kirschner wires (3).

2. The arthroscopic screw placement sleeve according to claim 1, characterized in that: The sleeve is provided with external threads (4).

3. The arthroscopic screw placement sleeve according to claim 2, characterized in that: The silicone cap (5) has a cross-shaped water-blocking opening (6) cut on it.

4. The arthroscopic screw placement sleeve according to claim 3, characterized in that: A flow limiting valve (7) is also provided on the sleeve (1).

5. The arthroscopic screw placement sleeve according to claim 4, characterized in that: The outer diameter of the Kirschner wire (3) and the inner diameter of the guide cavity (2) are 1.2 mm.

6. The arthroscopic screw placement sleeve according to claim 5, characterized in that: The distance between the upper end of the Kirschner wire (3) and the upper end of the silicone cap (5) is 5 mm.

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