Nail feeding device for orthopedics department

Abstract

The utility model provides a nail feeding device for the orthopedics department. The nail feeding device comprises an inner rod, a sleeve and an anti-touch system. The inner rod is movably arranged in the sleeve in a penetrating mode, and the far end of the inner rod is matched with the bone nail. The sleeve is provided with a first locking assembly, the first locking assembly is arranged at the near end of the sleeve and used for locking the inner rod, and the far end of the sleeve is used for being connected with a bone nail; and the anti-touch system is movably arranged on the inner rod in a sleeving mode, the anti-touch system is provided with a second locking assembly, the second locking assembly is used for locking the inner rod, and the anti-touch system can be connected with the near end of the sleeve to be used for fixing the sleeve. By arranging the anti-touch system, a doctor is prevented from mistakenly touching a button of the first locking assembly when rotating the sleeve in the operation process, the stability of mutual locking of the nail feeding device for the orthopedics department and a bone nail is improved, the situation that the sleeve is loosened from the bone nail when rotating is prevented, and therefore the reliability of bone nail implantation is improved, the operation risk is reduced, and the operation safety is improved. And the operation progress is accelerated.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to an orthopedic nailing device. Background Art

[0002] The posterior thoracolumbar open screw-rod fixation system is a surgical method used to treat thoracolumbar diseases. The system implants the screw rod into the patient's thoracolumbar spine through a posterior incision, and then fixes the screw rod to the vertebrae with screws to stabilize the spine and promote bone healing. This surgical method is often used to treat thoracolumbar fractures, scoliosis, spondylolisthesis and other diseases. As an indispensable product in the thoracolumbar open surgery solution, the orthopedic screw fixator is mainly used in conjunction with the spinal internal fixation product implanted in the body to fix the pedicle screws.

[0003] The existing orthopedic screw driver mainly consists of a gripping part, a central rod and a distal interface, wherein a button structure is provided to control the up and down sliding of the inner rod so as to screw the screw into the body. During the operation, it is easy to accidentally touch the control button when screwing in the screw, causing the screw to loosen, which can affect the progress of the operation and requires corrective operation and re-tightening. At the same time, loosening may affect the direction of screw implantation, increasing the risk of the operation. Utility Model Content

[0004] The utility model aims to provide an orthopedic screw placement device, which increases the reliability of screw implantation, reduces the risk of surgery, and speeds up the process of surgery.

[0005] To achieve the above-mentioned purpose, in a first aspect, the utility model provides an orthopedic nailing device, comprising an inner rod, a sleeve, and an anti-touch system;

[0006] The inner rod is movably inserted into the sleeve, and the distal end of the inner rod is adapted to the bone screw;

[0007] The sleeve has a first locking assembly, which is arranged at the proximal end of the sleeve and is used to lock the inner rod, and the distal end of the sleeve is used to connect the bone screw;

[0008] The anti-touch system can be movably mounted on the inner rod, and the anti-touch system has a second locking component, which is used to lock the inner rod. The anti-touch system can be connected to the proximal end of the sleeve to fix the sleeve.

[0009] In some embodiments, the first locking assembly includes a first locking member and a first elastic member;

[0010] The sleeve is provided with a first mounting groove and a first through hole, wherein the first mounting groove is provided on the side wall of the sleeve, and the first through hole is provided along the axial direction of the sleeve and passes through the first mounting groove;

[0011] The first locking member and the first elastic member are both arranged in the first mounting groove, the first locking member is provided with a first locking hole corresponding to the first through hole, the inner rod can pass through the first locking hole and the first through hole, and the first elastic member is used to apply elastic force to the first locking member so that the inner side wall of the first locking hole contacts the inner rod;

[0012] When an external force is applied to the first locking member so that a gap exists between the inner rod and the first locking hole, the inner rod can move along the axial direction of the first through hole.

[0013] In some embodiments, the first locking assembly further comprises a connector;

[0014] The sleeve is also provided with a mounting hole, and the mounting hole passes through the first mounting groove;

[0015] The first locking member is provided with a connecting hole corresponding to the mounting hole;

[0016] The connecting member is inserted through the mounting hole and the connecting hole so that the first locking member can be movably disposed in the first mounting groove.

[0017] In some embodiments, one end of the first elastic member abuts against the bottom of the first mounting groove, and the other end of the first elastic member abuts against the bottom of the first locking member;

[0018] An extending direction of the connecting hole is the same as an extending direction of the first mounting groove.

[0019] In some embodiments, the inner rod has a reduced diameter section, and the diameter of the reduced diameter section is smaller than the main structure diameter of the inner rod.

[0020] In some embodiments, the anti-touch system includes an anti-touch sleeve, and the second locking assembly is disposed on the anti-touch sleeve;

[0021] When the anti-touch sleeve is connected to the proximal end of the first locking component, the anti-touch sleeve cover is arranged on the first locking member.

[0022] In some embodiments, the anti-touch system further includes an abutment member and a positioning member;

[0023] The positioning piece is sleeved on the proximal end of the sleeve, and an abutment portion is provided on the outer side wall of the positioning piece;

[0024] The abutment member is arranged on the inner side wall of the anti-touch sleeve;

[0025] When the anti-touch sleeve cover is arranged on the first locking member, the abutment member abuts against the abutment portion to limit the rotation of the sleeve.

[0026] In some embodiments, the abutment member is a wedge, and the positioning member is a directional gear;

[0027] The proximal end of the sleeve has a connecting portion, the directional gear is sleeved on the connecting portion, and the tooth piece of the directional gear is the abutting portion;

[0028] When the anti-touch sleeve is arranged on the first locking member, the wedge block is located between adjacent teeth.

[0029] In some embodiments, the second locking assembly includes a second locking member and a second elastic member;

[0030] The anti-touch sleeve is provided with a second mounting groove and a second through hole, wherein the second mounting groove is close to the proximal side wall of the anti-touch sleeve, and the second through hole is provided along the axial direction of the anti-touch sleeve and passes through the second mounting groove;

[0031] The second locking piece and the second elastic piece are both arranged in the second mounting groove. The second locking piece has a second locking hole corresponding to the second through hole. The inner rod can pass through the second locking hole and the second through hole. The second elastic piece is used to apply elastic force to the second locking piece so that the inner side wall of the second locking hole contacts the inner rod.

[0032] In some embodiments, an annular groove is provided at intervals on the outer side wall of the proximal end of the inner rod;

[0033] The inner side wall of the second locking hole is provided with a protruding structure;

[0034] When the second locking assembly moves along the axial direction of the inner rod, the protruding structure may be located in the annular groove.

[0035] In some embodiments, the proximal end of the inner rod is connected to a connector, and the connector is used to connect to a quick-change handle.

[0036] In some embodiments, the sleeve is also provided with a handle, and the handle is provided with a plurality of cleaning holes at intervals.

[0037] The beneficial effect of the orthopedic nailing device provided by the utility model is that by setting an anti-touch system, the doctor is prevented from accidentally touching the button of the first locking component when rotating the orthopedic nailing device during the operation, thereby improving the stability of the mutual locking between the orthopedic nailing device and the bone screw, preventing the loosening of the bone screw when the sleeve is rotated, thereby increasing the reliability of bone screw implantation, reducing the risk of surgery, and speeding up the process of surgery. At the same time, the anti-touch system is set, wherein the anti-touch sleeve and the sleeve are axially and circumferentially fixed. When the nailing device is held and rotated, in addition to the proximal end of the sleeve being subjected to force, the anti-touch sleeve part can also be subjected to force at the same time, that is, the contact area of ​​the grip is increased, which is convenient for rotation and force application, and saves surgical time. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 A schematic diagram of the structure of an orthopedic nailing device according to an embodiment of the utility model;

[0039] Figure 2 An exploded view of an orthopedic nailing device according to an embodiment of the utility model;

[0040] Figure 3 A cross-sectional view of the orthopedic nailing device according to the embodiment of the utility model along its axial direction;

[0041] Figure 4 A cross-sectional view of the sleeve of the embodiment provided by the utility model along its axial direction;

[0042] Figure 5 A schematic diagram of the structure of the first locking member of the embodiment provided by the utility model;

[0043] Figure 6 A cross-sectional view of the anti-touch sleeve of the embodiment provided by the utility model along its axial direction;

[0044] Figure 7 This is a schematic structural diagram of the second locking member of the embodiment provided by the utility model.

[0045] Reference numerals:

[0046] Inner rod 1, reduced diameter section 11, annular groove 12, connector 13, block structure 14, sleeve 2, first locking assembly 21, first locking piece 211, first elastic piece 212, first locking hole 213, connector 214, connecting hole 215, first mounting groove 22, first through hole 23, mounting hole 24, connecting portion 25, first annular groove 26, first connecting groove 27, anti-touch system 3, second locking assembly 31, second locking piece 311, second elastic piece 312, second locking hole 313, protruding structure 314, second connecting groove 315, anti-touch sleeve 32, second mounting groove 321, second through hole 322, flaring structure 323, abutment piece 33, positioning piece 34, abutment portion 341, handle 4, cleaning hole 41. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Unless otherwise defined, the technical terms or scientific terms used herein should be the usual meanings understood by people with general skills in the field to which the utility model belongs. "Including" and similar words used in this article mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Unless otherwise specified, the "connection" described in this article can be a direct connection or an indirect connection, that is, a connection through an intermediate.

[0048] As used herein, the term "distal end" refers to the end that is away from the operator and closer to the patient; the term "proximal end" refers to the end that is closer to the operator and away from the patient.

[0049] refer to Figures 1 to 3 As shown, an embodiment of the utility model provides an orthopedic nailing device, comprising an inner rod 1, a sleeve 2, and an anti-touch system 3. The inner rod 1 can be movably inserted into the sleeve 2, the distal end of the inner rod 1 is adapted to the bone screw, and the distal end of the inner rod 1 extends out of the sleeve 2 for adapting and connecting with the bone screw. The sleeve 2 has a first locking component 21, which is arranged at the proximal end of the sleeve 2 for locking the inner rod 1 so that the inner rod 1 and the sleeve 2 remain fixed, and the distal end of the sleeve 2 has a threaded structure, which is used for threaded connection with the bone screw. The anti-touch system 3 can be movably sleeved on the inner rod 1, and the anti-touch system 3 has a second locking component 31, which is used to lock the inner rod 1 so that the anti-touch system 3 is axially fixed with the inner rod 1. The anti-touch system 3 can also be connected to the proximal end of the sleeve 2 for fixing the sleeve 2 to further ensure the stability between the inner rod 1 and the sleeve 2.

[0050] In this embodiment, the anti-touch system 3 is added to the orthopedic nailing device to improve the reliability of the fixed connection between the sleeve 2 and the inner rod 1, thereby ensuring the stability of the mutual locking between the orthopedic nailing device and the bone screw, preventing the doctor from accidentally touching the first locking component 21 during the operation to cause the sleeve 2 to rotate, thereby causing the connection between the sleeve 2 and the bone screw to loosen, thereby reducing the risk of the operation and speeding up the progress of the operation.

[0051] refer to Figure 2As shown, in some embodiments, a connector 13 is welded to the proximal end of the inner rod 1. The connector 13 may be a square interface or other structure. The connector 13 is used to connect a quick-change handle adapted thereto. The quick handle facilitates the doctor to hold and rotate the orthopedic nailer.

[0052] In some embodiments, reference Figure 2 and Figure 4 As shown, the sleeve 2 may also be provided with a handle 4, and the handle 4 is axially fixedly connected to the sleeve 2 via a clamp. Specifically, a first annular groove 26 is provided in the sleeve 2 near the first locking assembly 21, and a second annular groove is provided on the inner side wall of the handle 4. The clamp is sleeved in the first annular groove 26 and partially protrudes from the second annular groove, so as to achieve the clamping connection between the handle 4 and the sleeve 2.

[0053] In this embodiment, cleaning holes 41 are provided at intervals on the outer wall of the handle 4, and the cleaning holes 41 are provided to facilitate cleaning of the outer surface of the sleeve 2 and the inner wall of the handle 4. In other embodiments, anti-skid grooves may be provided on the outer surface of the handle 4 or an anti-skid coating may be applied to facilitate the doctor's grip.

[0054] refer to Figure 2 , Figure 4 and Figure 5 As shown, in some embodiments, the first locking assembly 21 includes a first locking member 211 and a first elastic member 212. The sleeve 2 is provided with a first mounting groove 22 and a first through hole 23. The first mounting groove 22 is provided on the proximal side wall of the sleeve 2. The first through hole 23 is provided along the axial direction of the sleeve 2 and penetrates the first mounting groove 22. The first locking member 211 and the first elastic member 212 are both provided in the first mounting groove 22. The first locking member 211 is provided with a first locking hole 213 corresponding to the first through hole 23. The inner rod 1 can pass through the first locking hole 213 and the first through hole 23, and can move along the axial direction of the first through hole 23, so as to adjust the distal extension distance of the inner rod 1. The first elastic member 212 is used to apply elastic force to the first locking member 211 so that the inner side wall of the first locking hole 213 contacts the inner rod 1, thereby limiting the axial movement of the inner rod 1 along the first through hole 23, so that the inner rod 1 and the sleeve 2 are axially fixed. When an external force is applied to the first locking piece 211 so that there is a gap between the inner rod 1 and the first locking hole 213, for example, when a doctor presses the first locking piece 211, the inner rod 1 can move axially along the first through hole 23 to adjust the extension distance of the distal end of the inner rod 1, thereby making the orthopedic nailing device provided in this embodiment suitable for long and short bone screws of different sizes.

[0055] In this embodiment, the first locking member 211 is a button, and the first elastic member 212 is a spring, which is disposed at the bottom of the first mounting groove 22 and connected to the button. The spring applies elastic force to the button so that the inner wall of the first locking hole 213 contacts the outer wall of the inner rod 1.

[0056] refer to Figures 2 to 5 As shown, in some embodiments, the first locking assembly 21 further includes a connecting member 214. The sleeve 2 is further provided with a mounting hole 24, the axis of the mounting hole 24 is parallel to the axis of the sleeve 2, and the mounting hole 24 passes through the first mounting slot 22. The first locking member 211 is provided with a connecting hole 215 corresponding to the mounting hole 24, and the connecting member 214 is passed through the mounting hole 24 and the connecting hole 215, so that the first locking member 211 is movably disposed in the first mounting slot 22.

[0057] In this embodiment, the connecting member 214 is a connecting pin, and the extending direction of the connecting hole 215 is the same as the extending direction of the first mounting slot 22, so that the first locking member 211 can move along the extending direction of the first mounting slot 22. In addition, a first connecting slot 27 is provided at the bottom of the first mounting slot 22, one end of the first elastic member 212 is disposed in the first connecting slot 27, and the other end of the first elastic member 212 is connected to the bottom of the first locking member 211.

[0058] refer to Figure 2 and Figure 6 As shown, in some embodiments, the anti-touch system 3 includes an anti-touch sleeve 32, and the second locking component 31 is arranged at the proximal end of the anti-touch sleeve 32, which is used to axially fix the anti-touch sleeve 32 and the inner rod 1, and the distal end of the anti-touch sleeve 32 is provided with a flaring structure 323, and the inner diameter of the flaring structure 323 is larger than the proximal diameter of the sleeve 2. When the second locking component 31 is unlocked to make the anti-touch sleeve 32 move along the axial direction of the inner rod 1 and connect with the proximal end of the first locking component 21, the distal flaring structure 323 of the anti-touch sleeve 32 can be covered by the first locking piece 211, so as to prevent the doctor from accidentally touching the first locking piece 211 when using the orthopedic nailer, so that the sleeve 2 moves relative to the inner rod 1, thereby loosening the bone screw.

[0059] Furthermore, the anti-touch system 3 further includes an abutment member 33 and a positioning member 34. The positioning member 34 is sleeved on the proximal end of the sleeve 2 and fixedly connected to the sleeve 2, and an abutment portion 341 is provided on the outer wall of the positioning member 34. The abutment member 33 is provided on the inner wall of the anti-touch sleeve 32. When the anti-touch sleeve 32 moves along the axial direction of the inner rod 1 until it is covered by the first locking member 211, the abutment member 33 abuts against the abutment portion 341 to limit the rotation of the sleeve 2, and is combined with the second locking assembly 31 to further ensure the stability between the sleeve 2 and the inner rod 1.

[0060] In this embodiment, the abutment member 33 is a wedge block, which is welded to the inner side wall of the anti-touch sleeve 32. The proximal end of the sleeve 2 has a connecting portion 25, and the positioning member 34 is a directional gear, which is sleeved on the connecting portion 25 and fixed to the connecting portion 25 by welding, and the tooth piece of the directional gear is the abutment portion 341. When the doctor unlocks the second locking assembly 31, so that the anti-touch sleeve 32 moves axially along the inner rod 1 and covers the first locking member 211, the wedge block is located between the adjacent tooth pieces, thereby realizing the circumferential locking of the sleeve 2 and the anti-touch sleeve 32.

[0061] refer to Figure 2 , Figure 6 and Figure 7 As shown, in some embodiments, the second locking assembly 31 includes a second locking member 311 and a second elastic member 312. The anti-touch sleeve 32 is provided with a second mounting groove 321 and a second through hole 322. The second mounting groove 321 is arranged near the proximal side wall of the anti-touch sleeve 32. The second through hole 322 is arranged along the axial direction of the anti-touch sleeve 32 and penetrates the second mounting groove 321. The second locking member 311 and the second elastic member 312 are both arranged in the second mounting groove 321. The second locking member 311 is provided with a second locking hole 313 corresponding to the second through hole 322. The inner rod 1 can pass through the second locking hole 313 and the second through hole 322. The second elastic member 312 is used to apply elastic force to the second locking member 311 so that the inner side wall of the second locking hole 313 contacts the inner rod 1, thereby limiting the axial movement of the anti-touch sleeve 32 along the inner rod 1. When the doctor applies a force opposite to the second elastic member 312 to the second locking member 311 so that the second locking hole 313 is not in contact with the inner rod 1 , the anti-contact sleeve 32 can be pushed to move along the axial direction of the inner rod 1 .

[0062] In this embodiment, the bottom of the second installation groove 321 and the bottom of the second locking member 311 are both provided with a second connecting groove 315, one end of the second elastic member 312 is connected to the second connecting groove 315 at the bottom of the second installation groove 321, and the other end of the second elastic member 312 is connected to the second connecting groove 315 at the bottom of the second locking member 311. The second locking member 311 is relatively flush with the outer surface of the anti-touch sleeve 32, so that the doctor will not accidentally touch the second locking member 311 when rotating the orthopedic nailer, so that the anti-touch sleeve 32 is always covered on the first locking member 211.

[0063] In some embodiments, an annular groove 12 is provided at intervals on the proximal outer side wall of the inner rod 1, and a protruding structure 314 is provided on the inner side wall of the second locking hole 313. When the second locking assembly 31 moves along the axial direction of the inner rod 1, the protruding structure 314 can be located in the annular groove 12.

[0064] In this embodiment, the protruding structure 314 may be a protruding spherical structure, and the protruding structure 314 may cooperate with the annular groove 12 to limit the axial movement of the inner rod 1 to improve the reliability of the second locking member 311 locking the inner rod 1 .

[0065] In some embodiments, the inner rod 1 has a reduced diameter section 11 and a stopper structure 14, the reduced diameter section 11 has a plurality of sections, the plurality of reduced diameter sections 11 are spaced close to the connector 13, and the diameter of the reduced diameter section 11 is smaller than the diameter of the main structure of the inner rod 1, so as to provide a sliding space for the first locking member 211, so that the sleeve 2 can move axially relative to the inner rod 1, so as to further control the distance that the inner rod 1 extends out of the sleeve 2, so as to adapt to pedicle screws of different sizes. The stopper structure 14 is provided at the distal end of the inner rod 1, so as to achieve a tight combination with the tail end of the screw, wherein the distal end of the inner rod 1 can be set as a plum blossom structure, or other structures suitable for the screw.

[0066] The above is only a specific implementation of the embodiment of the present application, but the protection scope of the embodiment of the present application is not limited thereto, and any changes or replacements within the technical scope disclosed in the embodiment of the present application should be included in the protection scope of the embodiment of the present application. Therefore, the protection scope of the embodiment of the present application should be based on the protection scope of the claims.

Claims

1. An orthopedic nailing device, characterized in that: Including inner rod, casing, and anti-touch system; The inner rod is movably inserted into the sleeve, and the distal end of the inner rod is adapted to the bone screw; The sleeve has a first locking assembly, which is arranged at the proximal end of the sleeve and is used to lock the inner rod, and the distal end of the sleeve is used to connect the bone screw; The anti-touch system can be movably mounted on the inner rod, and the anti-touch system has a second locking component, which is used to lock the inner rod. The anti-touch system can be connected to the proximal end of the sleeve to fix the sleeve.

2. The orthopedic nailing device according to claim 1, characterized in that: The first locking assembly includes a first locking member and a first elastic member; The sleeve is provided with a first mounting groove and a first through hole, wherein the first mounting groove is provided on the side wall of the sleeve, and the first through hole is provided along the axial direction of the sleeve and passes through the first mounting groove; The first locking member and the first elastic member are both arranged in the first mounting groove, the first locking member is provided with a first locking hole corresponding to the first through hole, the inner rod can pass through the first locking hole and the first through hole, and the first elastic member is used to apply elastic force to the first locking member so that the inner side wall of the first locking hole contacts the inner rod; When an external force is applied to the first locking member so that a gap exists between the inner rod and the first locking hole, the inner rod can move along the axial direction of the first through hole.

3. The orthopedic nailing device according to claim 2, characterized in that: The first locking assembly also includes a connecting member; The sleeve is also provided with a mounting hole, and the mounting hole passes through the first mounting groove; The first locking member is provided with a connecting hole corresponding to the mounting hole; The connecting member is inserted through the mounting hole and the connecting hole so that the first locking member can be movably disposed in the first mounting groove.

4. The orthopedic nailing device according to claim 3, characterized in that: One end of the first elastic member abuts against the bottom of the first mounting groove, and the other end of the first elastic member abuts against the bottom of the first locking member; An extending direction of the connecting hole is the same as an extending direction of the first mounting groove.

5. The orthopedic nailing device according to claim 2, characterized in that: The inner rod has a reduced diameter section, and the diameter of the reduced diameter section is smaller than the main structure diameter of the inner rod.

6. The orthopedic nailing device according to claim 2, characterized in that: The anti-touch system comprises an anti-touch sleeve, and the second locking assembly is arranged on the anti-touch sleeve; When the anti-touch sleeve is connected to the proximal end of the first locking component, the anti-touch sleeve cover is arranged on the first locking member.

7. The orthopedic nailing device according to claim 6, characterized in that: The anti-touch system also includes an abutment member and a positioning member; The positioning piece is sleeved on the proximal end of the sleeve, and an abutment portion is provided on the outer side wall of the positioning piece; The abutment member is arranged on the inner side wall of the anti-touch sleeve; When the anti-touch sleeve cover is arranged on the first locking member, the abutment member abuts against the abutment portion to limit the rotation of the sleeve.

8. The orthopedic nailing device according to claim 7, characterized in that: The abutment member is a wedge block, and the positioning member is a directional gear; The proximal end of the sleeve has a connecting portion, the directional gear is sleeved on the connecting portion, and the tooth piece of the directional gear is the abutting portion; When the anti-touch sleeve is arranged on the first locking member, the wedge block is located between adjacent teeth.

9. The orthopedic nailing device according to claim 6, characterized in that: The second locking assembly includes a second locking member and a second elastic member; The anti-touch sleeve is provided with a second mounting groove and a second through hole, wherein the second mounting groove is close to the proximal side wall of the anti-touch sleeve, and the second through hole is provided along the axial direction of the anti-touch sleeve and passes through the second mounting groove; The second locking piece and the second elastic piece are both arranged in the second mounting groove. The second locking piece has a second locking hole corresponding to the second through hole. The inner rod can pass through the second locking hole and the second through hole. The second elastic piece is used to apply elastic force to the second locking piece so that the inner side wall of the second locking hole contacts the inner rod.

10. The orthopedic nailing device according to claim 9, characterized in that: An annular groove is provided at intervals on the outer side wall of the proximal end of the inner rod; The inner side wall of the second locking hole is provided with a protruding structure; When the second locking assembly moves along the axial direction of the inner rod, the protruding structure may be located in the annular groove.

11. The orthopedic nailing device according to claim 1, characterized in that: The sleeve is also provided with a handle, and the handle is provided with a plurality of cleaning holes at intervals.

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