Sleeve for orthopedic surgery

Abstract

The sleeve comprises a sleeve body, a drilling opening is formed in one end of the sleeve body, a plurality of evenly-distributed external threads are formed in the side, close to the drilling opening, of the sleeve body, and the middle portions of the external threads are in threaded connection with a movable installation cylinder. According to the sleeve used in the orthopedic surgery, a user can get close to or get away from a drilling opening by adjusting the position of the movable installation cylinder when using the sleeve, when the movable installation cylinder gets closer to the drilling opening, the movable installation cylinder is fixed to the drilling opening, and therefore the drilling opening can be closed to or away from the drilling opening. The more stable the holding of the sleeve body is, when the movable mounting cylinder is not convenient to approach the drilling outlet, the movable mounting cylinder is adjusted to the position deviating from the drilling outlet, the clamping piece is convenient for a user to hold the sleeve body, a large amount of heat is generated when the kirschner wire is used for drilling, the extension pipe and the communicating hole are matched for air interchange cooling, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a sleeve used in orthopedic surgery. Background Art

[0002] Kirschner wires are often used during fracture surgery. During the process of drilling the Kirschner wire, a sleeve is often used to assist in accurately positioning the Kirschner wire for easy use by orthopedic surgeons.

[0003] The existing Chinese patent with announcement number CN210277323U discloses a sleeve used in orthopedic surgery, including an arc-shaped sleeve, the cross-section of the arc-shaped sleeve is arc-shaped, and the arc-shaped sleeve is also provided with a gripping handle, and the bottom end of the gripping handle is tightly welded with a screw; the arc-shaped sleeve is also provided with a handle angle adjustment device, and the handle angle adjustment device includes an annular fixing block tightly welded on the arc-shaped sleeve.

[0004] With respect to the above-mentioned related technologies, the inventors found that the use of the arc-shaped sleeve is highly limited and can only be used in some specific situations. In addition, the sleeve in the above-mentioned patent is only held by the handle when in use, which is not stable enough and inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a sleeve used in orthopedic surgery to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sleeve for use in orthopedic surgery, comprising a sleeve body, a drilling entrance being provided at one end of the sleeve body, a plurality of evenly distributed external threads being provided on a side of the sleeve body close to the drilling entrance, a movable mounting tube being threadedly connected to the middle portion of the external threads, clamping members being fixedly installed on both sides of the top end of the movable mounting tube, an extension tube being fixedly connected to the middle portion of the bottom end of the movable mounting tube, a stainless steel patch being fixedly connected to the inner wall of the extension tube, a filter screen being snap-connected to the middle portion of the stainless steel patch, a plurality of evenly distributed connecting holes being provided on a side of the sleeve body close to the external threads, and the connecting holes being arranged corresponding to the extension tube.

[0007] As a preferred technical solution of the utility model, a positioning head is fixedly connected to one end of the sleeve body away from the drilling entrance, and the positioning head and the sleeve body are an integral structure.

[0008] As a preferred technical solution of the utility model, the middle part of the clamping member is provided with an anti-slip sleeve, and the middle part of the anti-slip sleeve is fixedly provided with a plurality of evenly distributed anti-slip strips.

[0009] As a preferred technical solution of the utility model, a plurality of evenly distributed spiral patterns are fixedly provided on the outer side of the extension tube, a sealing spiral sleeve is threadedly connected to the middle of the spiral pattern, and an air inlet is opened in the middle of the extension tube.

[0010] As a preferred technical solution of the utility model, a drill outlet is opened in the middle of the positioning head, and the diameter of the drill outlet is equal to the diameter of the drill outlet.

[0011] As a preferred technical solution of the utility model, a plurality of evenly distributed internal threads are provided at the connection between the movable installation cylinder and the external thread.

[0012] As a preferred technical solution of the utility model, the drill outlet and the drill inlet are located on the same horizontal line.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the scheme is a sleeve used in orthopedic surgery. When in use, the user can adjust the position of the movable mounting tube to get closer to or farther away from the drill outlet. When the movable mounting tube is closer to the drill outlet, the sleeve body is more stable to hold. When it is inconvenient for the movable mounting tube to get close to the drill outlet, the movable mounting tube is adjusted to a position away from the drill outlet. The clamping piece makes it convenient for the user to hold the sleeve body. A large amount of heat is generated when the Kirschner wire is drilling. The extension tube and the connecting hole cooperate to exchange air for cooling, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the filter screen of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the connecting hole of the utility model;

[0017] Figure 4 This is a structural schematic diagram of the drilling entrance of the utility model;

[0018] Figure 5 It is a schematic structural diagram of the internal thread of the utility model.

[0019] In the figure: 1. Sleeve body; 2. Positioning head; 3. Drill outlet; 4. External thread; 5. Mobile installation cylinder; 6. Anti-slip sleeve; 7. Anti-slip strip; 8. Clamping piece; 9. Drill inlet; 10. Connecting hole; 11. Extension tube; 12. Stainless steel patch; 13. Filter; 14. Air inlet; 15. Sealing spiral sleeve; 16. Spiral pattern; 17. Internal thread. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-5 The utility model provides a sleeve for orthopedic surgery, including a sleeve body 1, a drilling entrance 9 is opened at one end of the sleeve body 1, and the drilling entrance 9 is convenient for the Kirschner wire to enter. A plurality of evenly distributed external threads 4 are opened on the side of the sleeve body 1 close to the drilling entrance 9, and a movable installation tube 5 is threadedly connected to the middle part of the external thread 4, and the external thread 4 is convenient for the installation of the movable installation tube 5, and the movable installation tube 5 is convenient for the user to hold the sleeve body 1, and clamping members 8 are fixedly installed on both sides of the top of the movable installation tube 5, and an extension tube 11 is fixedly connected to the middle part of the bottom end of the movable installation tube 5, and the extension tube 11 is convenient for air exchange, and a stainless steel patch 12 is fixedly connected to the inner wall of the extension tube 11, and a filter screen 13 is connected to the middle part of the stainless steel patch 12, and the filter screen 13 prevents dust from entering, and a plurality of evenly distributed communicating holes 10 are opened on the side of the sleeve body 1 close to the external thread 4, and the communicating holes 10 are correspondingly arranged with the extension tube 11, and the communicating holes 10 are convenient for the extension tube 11 to work.

[0022] The end of the sleeve body 1 away from the drill inlet 9 is fixedly connected with a positioning head 2, and the positioning head 2 and the sleeve body 1 are an integral structure. The middle of the positioning head 2 is provided with a drill outlet 3, and the positioning head 2 and the drill outlet 3 are convenient for the Kirschner wire to be drilled out, and the diameter of the drill inlet 9 is equal to the diameter of the drill outlet 3, and the drill outlet 3 and the drill inlet 9 are located on the same horizontal line. The same diameter and horizontal position of the drill outlet 3 and the drill inlet 9 are more conducive to the use of the Kirschner wire. The connection between the movable installation cylinder 5 and the external thread 4 is provided with a plurality of evenly distributed internal threads 17, and the internal threads 17 cooperate with the external threads 4 to work. The middle part of the clamping part 8 is provided with an anti-skid sleeve 6, and a plurality of evenly distributed anti-skid strips 7 are fixedly provided in the middle part of the anti-skid sleeve 6. The anti-skid sleeve 6 and the anti-skid strips 7 improve the anti-skid performance of the clamping part 8 and are convenient for users to hold. The outer side of the extension tube 11 is fixedly provided with a plurality of evenly distributed spiral patterns 16, and a sealing spiral sleeve 15 is threadedly connected to the middle part of the spiral pattern 16. The spiral pattern 16 is convenient for installing the sealing spiral sleeve 15, and the sealing spiral sleeve 15 is convenient for closing the extension tube 11 when it is not in use. An air inlet 14 is provided in the middle part of the extension tube 11 for ventilation.

[0023] Working principle: the utility model is a sleeve for orthopedic surgery. When in use, the user can align the sleeve body 1 with the corresponding bone position, and the drill entrance 9 enters the Kirschner wire. The user can adjust the position of the movable mounting tube 5 to get close to or away from the drill outlet 3. When the movable mounting tube 5 is closer to the drill outlet 3, the sleeve body 1 is more stable to hold. When the movable mounting tube 5 is not convenient to get close to the drill outlet 3, the movable mounting tube 5 is adjusted to a position away from the drill outlet 3. The clamping piece 8 is convenient for the user to hold the sleeve body 1. A large amount of heat will be generated when the Kirschner wire is drilling. The extension tube 11 and the connecting hole 10 cooperate to exchange air for cooling, which is more convenient to use. Among them, the anti-slip sleeve 6 and the anti-slip strip 7 improve the anti-slip performance of the clamping piece 8, which is convenient for the user to hold. The drill outlet 3 and the drill entrance 9 have the same diameter and the same horizontal position, which is more conducive to the use of the Kirschner wire. The sealing spiral sleeve 15 is convenient for closing the extension tube 11 when it is not in use.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sleeve for use in orthopedic surgery, comprising a sleeve body (1), characterized in that: A drilling inlet (9) is provided at one end of the sleeve body (1), and a side of the sleeve body (1) close to the drilling inlet (9) is provided with a plurality of evenly distributed external threads (4), the middle of the external threads (4) is threadedly connected to a movable installation tube (5), and clamping members (8) are fixedly installed on both sides of the top of the movable installation tube (5), and the middle of the bottom of the movable installation tube (5) is fixedly connected to an extension tube (11), and the inner wall of the extension tube (11) is fixedly connected to a stainless steel patch (12), and the middle of the stainless steel patch (12) is snap-connected to a filter screen (13), and a side of the sleeve body (1) close to the external threads (4) is provided with a plurality of evenly distributed communication holes (10), and the communication holes (10) are arranged corresponding to the extension tube (11).

2. A sleeve for orthopedic surgery according to claim 1, characterized in that: A positioning head (2) is fixedly connected to one end of the sleeve body (1) facing away from the drilling inlet (9), and the positioning head (2) and the sleeve body (1) form an integral structure.

3. A sleeve for orthopedic surgery according to claim 1, characterized in that: The middle part of the clamping member (8) is sleeved with an anti-slip sleeve (6), and the middle part of the anti-slip sleeve (6) is fixedly provided with a plurality of evenly distributed anti-slip strips (7).

4. A sleeve for orthopedic surgery according to claim 1, characterized in that: A plurality of evenly distributed spiral patterns (16) are fixedly provided on the outer side of the extension tube (11), a sealing spiral sleeve (15) is threadedly connected to the middle of the spiral pattern (16), and an air inlet (14) is provided in the middle of the extension tube (11).

5. A sleeve for orthopedic surgery according to claim 2, characterized in that: A drilling outlet (3) is provided in the middle of the positioning head (2), and the diameter of the drilling inlet (9) is equal to the diameter of the drilling outlet (3).

6. A sleeve for orthopedic surgery according to claim 1, characterized in that: A plurality of evenly distributed internal threads (17) are provided at the connection between the movable installation cylinder (5) and the external thread (4).

7. A sleeve for orthopedic surgery according to claim 5, characterized in that: The drilling outlet (3) and the drilling inlet (9) are located on the same horizontal line.

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