Device for traction reduction of shank fracture

Abstract

The utility model discloses a device for shank fracture traction reduction, which comprises two symmetrically distributed screw rods, the outer sides of the screw rods are slidably sleeved with a fixing seat, the inside of the fixing seat is provided with an insertion hole I, the outer sides of the screw rods are slidably sleeved with a connecting seat at the front end of the fixing seat, and the connecting seat is provided with an insertion hole II. A first inserting hole is formed in the connecting base, a second inserting hole is formed in the connecting base, puncture rods are slidably connected into the first inserting hole and the second inserting hole in a sleeved mode, guide rods are fixedly connected into the puncture rods, springs are arranged on the outer sides of the guide rods, and sliding rods are slidably connected to the outer sides of the guide rods in a sleeved mode. By designing the movement of the connecting seat, the shank part can be dragged after the shank is punctured by the puncture rod, the movement of the connecting seat can be realized by rotating the handle in the dragging process, and compared with a traditional nut and screw adjusting mode, the operation is easier, and the dragging is more convenient and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of traction devices, in particular to a device for traction reduction of lower leg fractures. Background Art

[0002] A medical traction device is a device used for traction therapy, commonly used to treat conditions or injuries such as fractures, spinal injuries, and joint dislocations. By applying appropriate traction, a medical traction device can help restore the normal position of bone structures, relieve pain, and promote recovery.

[0003] During the rehabilitation process of lower leg fractures, traction rehabilitation is also required through a traction device. Currently, during the traction process, it is inconvenient to operate the traction process and the use is not convenient. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of the utility model is to provide a device for traction reduction of lower leg fractures, which solves the problem that it is inconvenient to operate the traction process during traction use.

[0005] The cam is provided with an axially extending outer surface of the screw rod and the outer surface of the screw rod is provided with a fixed seat, wherein the outer surface of the screw rod is provided with a first socket, and the outer surface of the screw rod and the front end of the fixed seat are provided with a connecting seat. The connecting seat has a second socket. The inner surfaces of the connecting seat are provided with a first socket. The inner surfaces of the first socket and the second socket are both provided with a puncture rod. The inner surface of the puncture rod is fixedly connected to a guide rod, a spring is provided on the outer surface of the guide rod, a sliding rod is slidably sleeved on the outer surface of the guide rod, and a ball is movably sleeved on the inner surface of the sliding rod. The ball is movably connected to the puncture rod, one group of balls is movably connected to the connecting seat, and the other group of balls is movably connected to the fixed seat. The outer side of the screw rod is connected to a fixed block by a thread, the top of the fixed block is fixedly connected to the fixed rod, and the top of the fixed rod is fixedly connected to the connecting block. A connecting rod is fixedly connected between the two connecting blocks, and a moving mechanism is provided on the connecting seat.

[0006] Preferably, the number of the jacks 1 is multiple, and the jacks 1 are evenly distributed inside the fixing base. By designing the jacks 1, the puncture rod can be inserted into the jacks 1 at different positions.

[0007] Preferably, the number of the second jacks is multiple, and the multiple second jacks are evenly distributed inside the connecting base. By designing the second jacks, the puncture rod can be inserted into the inside of the second jacks at different positions.

[0008] Preferably, one end of the spring is fixedly connected to the puncture rod, and the other end of the spring is fixedly connected to the slide bar. The spring is designed so that the force of the spring can act on the slide bar.

[0009] Preferably, the interior of the fixing seat is connected with a bolt through a thread, and the bolt contacts the screw rod. By designing the bolt, the fixing seat and the screw rod can be connected and fixed.

[0010] Preferably, the moving mechanism includes a rotating shaft, the interior of the connecting seat is rotatably connected to the rotating shaft via a bearing, the top of the rotating shaft is fixedly connected to a handle, the bottom of the rotating shaft is fixedly connected to a first bevel gear, the first bevel gear is rotatably connected to the connecting seat, the outer side of the first bevel gear is meshed with a second bevel gear, the second bevel gear is rotatably connected to the connecting seat, the interior of the second bevel gear is fixedly sleeved with a rotating seat, the rotating seat and the connecting seat are rotatably connected via a bearing, the rotating seat is movably connected to a screw, and the front end of the rotating seat is fixedly connected to a screw sleeve. The design of the moving mechanism facilitates the operation and movement of the connecting seat.

[0011] Preferably, the screw sleeve is connected to the screw rod by a threaded connection, and the screw sleeve is rotatably connected to the connecting seat. By designing the screw sleeve, the connecting seat can be driven to move when the screw sleeve rotates.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model is designed to move the connecting seat, so that the calf can be pulled after being punctured by the puncture rod. During the traction process, the movement of the connecting seat can be achieved by turning the handle. Compared with the traditional nut and screw adjustment method, it is easier to operate and more convenient and labor-saving during traction.

[0014] 2. The utility model can connect and fix the two fixing seats and the two connecting seats by designing the plug-in connection of the puncture rod. After the puncture rod is inserted into the fixing seat and the connecting seat, the plug-in connection between the ball and the fixing seat and the ball and the connecting seat can improve the connection stability of the puncture rod, the fixing seat and the connecting seat. At the same time, the puncture rod can be disassembled by directly pulling the puncture rod, which is also more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A front sectional view of the connecting seat;

[0017] Figure 3 For this utility model Figure 2 A magnified view of point A;

[0018] Figure 4 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0019] Figure 5 For this utility model Figure 4 Enlarged view of point B.

[0020] In the figure: 1. Screw; 2. Fixed seat; 3. Socket 1; 4. Connecting seat; 5. Socket 2; 6. Piercing rod; 7. Bolt; 8. Guide rod; 9. Moving mechanism; 10. Spring; 11. Sliding rod; 12. Ball; 13. Fixed block; 14. Fixed rod; 15. Connecting block; 16. Connecting rod; 91. Rotating shaft; 92. Handle; 93. First bevel gear; 94. Second bevel gear; 95. Rotating seat; 96. Screw sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1 、 Figure 2 、 Figure 3 A device for traction reduction of lower leg fractures comprises two symmetrically distributed screws 1, a fixing seat 2 is slidably sleeved on the outside of the screw 1, a socket 3 is provided inside the fixing seat 2, and the number of the sockets 3 is multiple, and the multiple sockets 3 are evenly distributed inside the fixing seat 2. By designing the socket 3, a puncture rod 6 can be inserted into the socket 3 at different positions, a connecting seat 4 is slidably sleeved on the outside of the screw 1 and located at the front end of the fixing seat 2, a socket 2 5 is provided inside the connecting seat 4, and the number of the sockets 2 5 is multiple, and the multiple sockets 2 5 are evenly distributed inside the connecting seat 4. By designing the socket 2 5, the puncture rod 6 can be inserted into the socket 2 5 at different positions, and the insides of the socket 3 and the socket 2 5 are both slidably sleeved with the puncture rod 6.

[0023] See also Figure 1 、 Figure 2 、 Figure 3The interior of the fixed seat 2 is connected with a bolt 7 by a thread, and the bolt 7 contacts the screw rod 1. By designing the bolt 7, the fixed seat 2 can be connected and fixed to the screw 1. The interior of the puncture rod 6 is fixedly connected with a guide rod 8, and the outside of the guide rod 8 is provided with a spring 10. One end of the spring 10 is fixedly connected to the puncture rod 6, and the other end of the spring 10 is fixedly connected to the slide rod 11. By designing the spring 10, the force of the spring 10 can act on the slide rod 11, and the outside of the guide rod 8 is slidably sleeved with the slide rod 11. The inside of the slide rod 11 is movably sleeved with a ball 12, and the ball 12 is movably connected to the puncture rod 6. One group of balls 12 is movably connected to the connecting seat 4, and the other group of balls 12 is movably connected to the fixed seat 2. The outside of the screw 1 is connected with a fixed block 13 by a thread, and the top of the fixed block 13 is fixedly connected to the fixed rod 14. The top of the fixed rod 14 is fixedly connected to the connecting block 15. The two connecting blocks 15 are jointly fixedly connected with a connecting rod 16, and a moving mechanism 9 is provided on the connecting seat 4.

[0024] See also Figure 1 、 Figure 4 、 Figure 5 The moving mechanism 9 includes a rotating shaft 91, the interior of the connecting seat 4 is rotatably connected to the rotating shaft 91 through a bearing, the top of the rotating shaft 91 is fixedly connected to a handle 92, and the bottom of the rotating shaft 91 is fixedly connected to a first bevel gear 93, the first bevel gear 93 is rotatably connected to the connecting seat 4, the outer side of the first bevel gear 93 is meshed with a second bevel gear 94, the second bevel gear 94 is rotatably connected to the connecting seat 4, and the interior of the second bevel gear 94 is fixedly sleeved with a rotating seat 95, the rotating seat 95 is rotatably connected to the connecting seat 4 through a bearing, the rotating seat 95 is movably connected to the screw 1, and the front end of the rotating seat 95 is fixedly connected with a screw sleeve 96, the screw sleeve 96 is threadedly connected to the screw 1, and the screw sleeve 96 is rotatably connected to the connecting seat 4. By designing the screw sleeve 96, when the screw sleeve 96 rotates, the connecting seat 4 can be driven to move. By designing the moving mechanism 9, the operation and movement of the connecting seat 4 are facilitated.

[0025] The specific implementation process of the present utility model is as follows: during use, when the calf needs to be pulled, the puncture rod 6 is punctured into the calf, and then the handle 92 is rotated, the handle 92 drives the rotating shaft 91 to rotate, the rotating shaft 91 drives the first bevel gear 93 to rotate, the first bevel gear 93 drives the second bevel gear 94 to rotate, the second bevel gear 94 drives the rotating seat 95 to rotate, the rotating seat 95 drives the screw sleeve 96 to rotate, and the screw sleeve 96 is threadedly connected to the screw rod 1 so that the screw sleeve 96 performs threaded movement, and the screw sleeve 96 drives the connecting seat 4 to move horizontally, so that the calf can be pulled. Compared with the traditional nut and screw adjustment method, it is easier to operate, more convenient and labor-saving when pulling.

[0026] By plugging the puncture rod 6, the two fixing seats 2 and the two connecting seats 4 can be connected and fixed. After the puncture rod 6 is inserted into the fixing seat 2 and the connecting seat 4, the plugging of the ball 12 with the fixing seat 2 and the plugging of the ball 12 with the connecting seat 4 can improve the connection stability of the puncture rod 6 with the fixing seat 2 and the connecting seat 4. When the puncture rod 6 needs to be removed, the puncture rod 6 is pulled horizontally to move the ball 12. The ball 12 rolls along the connecting seat 4. The curved surface inside the connecting seat 4 squeezes and pushes the ball 12 to move. The ball 12 drives the slide bar 11 to slide along the guide rod 8. The slide bar 11 squeezes the spring 10, causing the ball 12 to roll out from the inside of the connecting seat 4. The puncture rod 6 can then be removed, which is also more convenient to use.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for traction reduction of a lower leg fracture, comprising two symmetrically distributed screws (1), characterized in that: The outer side of the screw rod (1) is slidably sleeved with a fixed seat (2), the interior of the fixed seat (2) is provided with a first socket (3), the outer side of the screw rod (1) and the front end of the fixed seat (2) is slidably sleeved with a connecting seat (4), the interior of the connecting seat (4) is provided with a second socket (5), the interiors of the first socket (3) and the second socket (5) are both slidably sleeved with a puncture rod (6), the interior of the puncture rod (6) is fixedly connected with a guide rod (8), the outer side of the guide rod (8) is provided with a spring (10), the outer side of the guide rod (8) is slidably sleeved with a slide rod (11), the slide rod (11) ) is movably sleeved with balls (12), the balls (12) are movably connected to the puncture rod (6), one group of balls (12) is movably connected to the connecting seat (4), and the other group of balls (12) is movably connected to the fixing seat (2), the outer side of the screw (1) is connected to a fixing block (13) through a thread, the top of the fixing block (13) is fixedly connected to a fixing rod (14), the top of the fixing rod (14) is fixedly connected to a connecting block (15), the two connecting blocks (15) are fixedly connected to a connecting rod (16), and a moving mechanism (9) is provided on the connecting seat (4).

2. The device for traction reduction of a lower leg fracture according to claim 1, characterized in that: The number of the jacks one (3) is multiple, and the multiple jacks one (3) are evenly distributed inside the fixing seat (2).

3. The device for traction reduction of a lower leg fracture according to claim 1, characterized in that: The number of the second jacks (5) is multiple, and the multiple second jacks (5) are evenly distributed inside the connecting seat (4).

4. The device for traction reduction of a lower leg fracture according to claim 1, characterized in that: One end of the spring (10) is fixedly connected to the puncture rod (6), and the other end of the spring (10) is fixedly connected to the slide rod (11).

5. The device for traction reduction of a lower leg fracture according to claim 1, characterized in that: The interior of the fixing seat (2) is connected with a bolt (7) via a threaded connection, and the bolt (7) is in contact with the screw rod (1).

6. The device for traction reduction of a lower leg fracture according to claim 1, characterized in that: The moving mechanism (9) comprises a rotating shaft (91), the interior of the connecting seat (4) is rotatably connected to the rotating shaft (91) via a bearing, the top of the rotating shaft (91) is fixedly connected to a handle (92), the bottom of the rotating shaft (91) is fixedly connected to a first bevel gear (93), the first bevel gear (93) is rotatably connected to the connecting seat (4), the outer side of the first bevel gear (93) is meshed with a second bevel gear (94), the second bevel gear (94) is rotatably connected to the connecting seat (4), the interior of the second bevel gear (94) is fixedly sleeved with a rotating seat (95), the rotating seat (95) is rotatably connected to the connecting seat (4) via a bearing, the rotating seat (95) is movably connected to the screw (1), and the front end of the rotating seat (95) is fixedly connected to a screw sleeve (96).

7. The device for traction reduction of a lower leg fracture according to claim 6, characterized in that: The screw sleeve (96) is connected to the screw rod (1) via a threaded connection, and the screw sleeve (96) is rotationally connected to the connecting seat (4).

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