Skull traction device with continuously adjustable traction force

Abstract

The utility model relates to the technical field of skull traction device accessory devices, in particular to a skull traction device with continuously adjustable traction force, which is a mechanism convenient for dismounting and overhauling a needle sleeve, so that the skull traction device is convenient to overhaul, and the use efficiency and effect of the skull traction device are enhanced. Comprising a skull traction device body, a fixing needle and a needle sleeve body are arranged on the outer side of the skull traction device body, and a mounting mechanism is arranged between the needle sleeve body and the skull traction device body; the installation mechanism further comprises a fixing plate, an installation block, a limiting rod, a clamping ring and a limiting spring, an installation hole is formed in the outer end of the skull traction device body, a working cavity is formed in the installation block, a sliding block is arranged at the inner end of the installation hole, and the needle sleeve body is slidably clamped with the skull traction device body through the sliding block arranged at the inner end of the installation hole. The top end of the fixing plate is connected with the bottom end of the mounting block, and first through holes are formed in the upper end and the lower end of the working cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices of skull traction devices, in particular to a skull traction device with continuously adjustable traction force. Background Art

[0002] As is well known, spinal deformity is a relatively common disease in spinal surgery. Most patients with spinal deformity need to undergo a long-term skull traction treatment before orthopedic surgery.

[0003] It is found in the use of an existing skull traction device with continuously adjustable traction force that the existing skull traction device has the following problems. The original needle sleeve is fixedly installed, which is not convenient for later disassembly, maintenance and replacement. Therefore, the use efficiency and effect of the skull traction device are reduced, resulting in poor practicability. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a mechanism that is convenient for disassembling and maintaining the needle sleeve, so as to facilitate the maintenance of the skull traction device. Therefore, a skull traction device with continuously adjustable traction force that enhances the use efficiency and effect of the skull traction device and thus enhances practicability is provided.

[0005] A skull traction device with continuously adjustable traction force of the utility model includes a skull traction device body. A fixing needle and a needle sleeve body are arranged on the outer side of the skull traction device body. An installation mechanism is arranged between the needle sleeve body and the skull traction device body.

[0006] The installation mechanism further includes a fixing plate, an installation block, a limiting rod, a clamping ring and a limiting spring. An installation hole is arranged at the outer end of the skull traction device body. A working cavity is arranged inside the installation block. A sliding block is arranged at the inner end of the installation hole. The needle sleeve body is slidably clamped with the skull traction device body through the sliding block arranged at the inner end of the installation hole. A fixing plate is arranged at the corresponding position at the top of the needle sleeve body. The top of the fixing plate is connected with the bottom end of the installation block. First through holes are arranged at the upper and lower ends of the working cavity. The limiting rod is slidably sleeved with the first through holes arranged at the upper and lower ends of the working cavity. A clamping mechanism is arranged between the bottom end of the limiting rod and the needle sleeve body. The clamping ring is fixedly sleeved with the limiting rod. The limiting spring is slidably sleeved with the limiting rod. The clamping ring is slidably clamped with the working cavity. The limiting spring is extruded by the clamping ring. A pulling mechanism is arranged at the top end of the limiting rod.

[0007] Preferably, the clamping mechanism further includes a clamping groove. The needle sleeve body is provided with a clamping groove. The bottom end of the limiting rod is clamped with the clamping groove arranged on the needle sleeve body.

[0008] Preferably, the pulling mechanism further includes a pulling handle. A pulling handle is arranged at the top end of the limiting rod.

[0009] Preferably, it further includes a protective sleeve which is tightly sleeved on the first through holes provided at the upper and lower ends of the working cavity, and the protective sleeve is slidably sleeved on the limiting rod.

[0010] Preferably, it further includes a rubber sleeve which is provided at the outer end of the pulling handle.

[0011] Preferably, it further includes a mounting groove which is provided at the position corresponding to the top end of the mounting block and the working cavity.

[0012] Preferably, it further includes adjusting grooves which are provided at the front and rear ends of the mounting groove.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: By using the skull traction device body, fixing needle, needle sleeve body, fixing plate, mounting block, limiting rod, snap ring, limiting spring, working cavity, slider, clamping groove and pulling handle, when it is necessary to repair the needle sleeve body, the limiting rod is pulled through the pulling handle, so that the limiting of the needle sleeve body by the limiting rod is released, and then the needle sleeve body can be slid out of the skull traction device body along the direction of the slider, and then the repair can be carried out. This device is not only convenient to disassemble, but also has high installation stability. Through a mechanism that is convenient for disassembling and repairing the needle sleeve, the skull traction device is convenient to repair, so the use efficiency and effect of the skull traction device are enhanced, and thus the practicability is enhanced. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is an enlarged schematic structural diagram of the interior of the installation mechanism of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the top view of the mounting block and the hand-pulling handle of the present utility model;

[0017] Reference numerals in the drawings: 1. Skull traction device body; 2. Fixing needle; 3. Needle sleeve body; 4. Fixing plate; 5. Mounting block; 6. Limiting rod; 7. Snap ring; 8. Limiting spring; 9. Working cavity; 10. Slider; 11. Clamping groove; 12. Pulling handle; 13. Protective sleeve; 14. Rubber sleeve; 15. Mounting groove; 16. Adjusting groove. Detailed Embodiments

[0018] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0019] Such as Figures 1 to 3As shown in the figure, a skull traction device with continuously adjustable traction force of the present utility model includes a skull traction device body 1. A fixing needle 2 and a needle sleeve body 3 are arranged outside the skull traction device body 1, and an installation mechanism is arranged between the needle sleeve body 3 and the skull traction device body 1;

[0020] The installation mechanism further includes a fixing plate 4, an installation block 5, a limiting rod 6, a clamping ring 7 and a limiting spring 8. An installation hole is arranged at the outer end of the skull traction device body 1, a working cavity 9 is arranged inside the installation block 5, a sliding block 10 is arranged at the inner end of the installation hole, and the needle sleeve body 3 is slidably clamped with the skull traction device body 1 through the sliding block 10 arranged at the inner end of the installation hole. A fixing plate 4 is arranged at the corresponding position at the top of the needle sleeve body 3, and the top of the fixing plate 4 is connected to the bottom of the installation block 5. First through holes are arranged at the upper and lower ends of the working cavity 9, the limiting rod 6 is slidably sleeved with the first through holes arranged at the upper and lower ends of the working cavity 9, a clamping mechanism is arranged between the bottom end of the limiting rod 6 and the needle sleeve body 3, the clamping ring 7 is tightly sleeved with the limiting rod 6, the limiting spring 8 is slidably sleeved with the limiting rod 6, the clamping ring 7 is slidably clamped with the working cavity 9, the limiting spring 8 is extruded by the clamping ring 7, and a pulling mechanism is arranged at the top end of the limiting rod 6; Through the use of the skull traction device body, the fixing needle, the needle sleeve body, the fixing plate, the installation block, the limiting rod, the clamping ring, the limiting spring, the working cavity, the sliding block, the clamping groove and the pulling handle, when it is necessary to repair the needle sleeve body, the limiting rod is pulled through the pulling handle, so that the limiting rod releases the restriction on the needle sleeve body, and then the needle sleeve body can be slid out of the skull traction device body along the direction of the sliding block, and then the repair can be carried out. The device is not only convenient to disassemble, but also has high installation stability. Through a mechanism that is convenient for disassembling and repairing the needle sleeve, the skull traction device is convenient to repair, so the use efficiency and effect of the skull traction device are enhanced, and thus the practicability is enhanced.

[0021] As a preference of the above embodiment, the clamping mechanism further includes a clamping groove 11. The needle sleeve body 3 is provided with the clamping groove 11, and the bottom end of the limiting rod 6 is clamped with the clamping groove 11 arranged on the needle sleeve body 3; Through the use of the clamping groove, the limiting rod is convenient to clamp the needle sleeve body, and the installation is more stable, thus enhancing the practicability.

[0022] As a preference of the above embodiment, the pulling mechanism further includes a pulling handle 12. The pulling handle 12 is arranged at the top end of the limiting rod 6; Through the use of the pulling handle, it is convenient to pull the limiting rod, thus enhancing the practicability.

[0023] As a preference of the above embodiment, a protective sleeve 13 is further included. The protective sleeve 13 is tightly sleeved with the first through holes arranged at the upper and lower ends of the working cavity 9, and the protective sleeve 13 is slidably sleeved with the limiting rod 6; Through the use of the protective sleeve, the sliding of the limiting rod is smoother, and the wear of the limiting rod is reduced, thus enhancing the practicability.

[0024] Preferably, as in the above embodiments, a rubber sleeve 14 is further included, and the rubber sleeve 14 is arranged at the outer end of the pulling handle 12; the rubber sleeve can increase the friction between the handle and the palm, prevent slipping, and thus enhance the practicability.

[0025] Preferably, as in the above embodiments, an installation groove 15 is further included, and the installation groove 15 is arranged at the position corresponding to the working cavity 9 at the top end of the installation block 5; by using the installation groove, the pulling handle can be placed in the installation groove, so that there will be no protrusion as a whole, and thus the practicability is enhanced.

[0026] Preferably, as in the above embodiments, an adjustment groove 16 is further included, and the adjustment groove 16 is arranged at the front and rear ends of the installation groove 15; by using the adjustment groove, it is convenient for the operator to pull out the pulling handle from the installation groove, and thus the practicability is enhanced.

[0027] For a skull traction device with continuously adjustable traction force of the present utility model, its working principle is that through the use of the skull traction device body, fixed needle, needle sleeve body, fixing plate, installation block, limiting rod, snap ring, limiting spring, working cavity, slider, clamping groove and pulling handle, when it is necessary to repair the needle sleeve body, the limiting rod is pulled by the pulling handle, so that the limiting of the needle sleeve body by the limiting rod is released, and then the needle sleeve body can be slid out of the skull traction device body along the direction of the slider, and then the repair can be carried out. The device is not only convenient to disassemble, but also has high installation stability. Through a mechanism convenient for disassembling and repairing the needle sleeve, it is convenient to repair the skull traction device, and thus the use efficiency and effect of the skull traction device are enhanced.

[0028] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0029] In the present utility model, the "first", "second", "third" do not represent specific quantities and orders, but are only used for name distinction.

[0030] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A skull traction device with continuously adjustable traction force, comprising a skull traction device body (1), a fixing needle (2) and a needle sleeve body (3) are arranged outside the skull traction device body (1), and a mounting mechanism is arranged between the needle sleeve body (3) and the skull traction device body (1); It is characterized in that The mounting mechanism further comprises a fixing plate (4), a mounting block (5), a limiting rod (6), a clamping ring (7) and a limiting spring (8); a fixing hole is arranged at the outer end of the skull traction device body (1); a working cavity (9) is arranged in the mounting block (5); a sliding block (10) is arranged at the inner end of the mounting hole; the needle sleeve body (3) is slidably mounted with the skull traction device body (1) via the sliding block (10) arranged at the inner end of the mounting hole; a fixing plate (4) is arranged at a corresponding position on the top of the needle sleeve body (3); the top of the fixing plate (4) is connected to the mounting block The bottom end of the block (5) is connected, the upper and lower ends of the working chamber (9) are provided with first through holes, the limiting rod (6) is slidably mounted on the first through holes arranged at the upper and lower ends of the working chamber (9), a clamping mechanism is arranged between the bottom end of the limiting rod (6) and the needle sleeve body (3), the clamping ring (7) is fastened to the limiting rod (6), the limiting spring (8) is slidably mounted on the limiting rod (6), the clamping ring (7) is slidably mounted on the working chamber (9), the limiting spring (8) is squeezed by the clamping ring (7), and a pulling mechanism is arranged at the top end of the limiting rod (6).

2. A skull traction device with continuously adjustable traction force as claimed in claim 1, characterized in that: The clamping mechanism also includes a clamping groove (11), the needle sleeve body (3) is provided with the clamping groove (11), and the bottom end of the limiting rod (6) is clamped with the clamping groove (11) provided on the needle sleeve body (3).

3. A skull traction device with continuously adjustable traction force as claimed in claim 2, characterized in that: The pulling mechanism also includes a pulling handle (12), and the top end of the limiting rod (6) is provided with the pulling handle (12).

4. A skull traction device with continuously adjustable traction force as claimed in claim 3, characterized in that: It also includes a protective sleeve (13), the protective sleeve (13) is fastened to the first through holes arranged at the upper and lower ends of the working chamber (9), and the protective sleeve (13) is slidably mounted to the limiting rod (6).

5. A skull traction device with continuously adjustable traction force as claimed in claim 4, characterized in that: It also comprises a rubber sleeve (14), and the outer end of the pulling handle (12) is provided with the rubber sleeve (14).

6. A skull traction device with continuously adjustable traction force as claimed in claim 5, characterized in that: It also comprises a mounting groove (15), and a mounting groove (15) is arranged at a position on the top of the mounting block (5) corresponding to the working cavity (9).

7. A skull traction device with continuously adjustable traction force as claimed in claim 6, characterized in that: It also comprises an adjustment groove (16), and the adjustment grooves (16) are arranged at the front and rear ends of the installation groove (15).

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