Fracture reduction device under thoracoscope

Abstract

The utility model relates to the technical field of medical instruments, and discloses a thoracoscope fracture reduction device which comprises a hollow metal rod, one end of the hollow metal rod is rotatably connected with a handle, and the other end of the hollow metal rod is symmetrically and rotatably connected with arc-shaped blades. The adjusting assembly comprises a first rotating rod rotationally connected to the interior of the hollow metal rod, the first rotating rod is fixedly connected with the handle, a universal adapter is fixedly connected between the first rotating rod and the second rotating rod, and a first rotating shaft is rotationally connected to the interior of the hollow metal rod; the external part of the rotating shaft I and the external part of the tail end of the rotating rod II are fixedly sleeved with bevel gears, and the bevel gears are meshed with one another. According to the bone fracture reduction device, the problem that a traditional fracture reduction device is difficult to be better attached to fix and stabilize a bone fracture plate during use, so that the repair effect on a fracture part is influenced is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a thoracoscopic fracture reducer. Background Art

[0002] The fracture reducer is mainly used for the reduction process in orthopedic surgeries such as fractures and dislocations. It is a medical device dedicated to orthopedics.

[0003] The blades of traditional fracture reducers are generally elliptical in structure, which makes it difficult to better fit the blades to fix and stabilize the bone plate during use, thereby affecting the repair effect of the fracture. For this reason, we provide a thoracoscopic fracture reducer. Utility Model Content

[0004] In order to solve the problem that the traditional fracture reducer in the above background technology is difficult to better fit to fix and stabilize the bone plate during use, thereby affecting the repair effect of the fracture, the utility model provides a thoracoscopic fracture reducer.

[0005] The utility model adopts the following technical solutions: a thoracoscopic fracture reducer comprises:

[0006] A hollow metal rod, one end of which is rotatably connected to a handle, and the other end of which is symmetrically rotatably connected to an arc-shaped blade;

[0007] An adjusting component, the adjusting component includes a rotating rod 1 rotatably connected to the inside of a hollow metal rod and fixedly connected to the handle, a rotating rod 2 is also rotatably connected to the inside of the hollow metal rod, a universal joint is fixedly connected between the rotating rod 1 and the rotating rod 2, a rotating shaft 1 is rotatably connected to the inside of the hollow metal rod, the outside of the rotating shaft 1 and the outside of the end of the rotating rod 2 are fixedly sleeved with bevel gears and the bevel gears are meshingly connected, both sides of the rotating shaft 1 are rotatably connected to the rotating shaft 2 and the two ends of the rotating shaft 2 are respectively fixedly connected to the arc-shaped blades on the same side, the outside of the rotating shaft 1 and the rotating shaft 2 on one side are fixedly sleeved with a toothed disk 1 and the toothed disks 1 are meshingly connected, and the outsides of the two groups of rotating shafts 2 are fixedly sleeved with toothed disks 2 and the toothed disks 2 are meshingly connected.

[0008] As a further improvement of the above solution, the total length of the hollow metal rod is 42 cm, and the rod diameter of the hollow metal rod is 5-8 mm.

[0009] As a further improvement of the above solution, one end of the hollow metal rod rotatably connected to the arc-shaped blade is an arc-shaped structure with an arc of 45 degrees.

[0010] As a further improvement of the above solution, a joint is inserted into the interior of the hollow metal rod.

[0011] As a further improvement of the above solution, the width of the arc-shaped blade is 2 cm, and the arc-shaped blade is designed as an inner concave or outer convex structure.

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

[0013] The utility model can drive the rotating rod one to rotate by rotating the handle, and utilizes the cooperation of the universal joint so that the rotating rod one can drive the rotating rod two to rotate together when rotating, and under the meshing action of the bevel gears, it can drive the rotating shaft one to rotate, and utilizes the meshing action between the toothed discs one and the meshing action between the toothed discs two, so that the two groups of rotating shafts two can be driven to rotate inwards at the same time, thereby driving the two groups of arc-shaped blades to deflect inwards at the same time to gather together, and the arc-shaped blades adopt an inner concave or outer convex structural design, so that the device can be used to fix and stabilize the bone fracture plate more closely, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the longitudinal structure of the utility model;

[0016] Figure 3 It is a side view schematic diagram of the connecting structure of the second rotating rod, the bevel gear, the first rotating shaft, the second rotating shaft, the first gear plate and the second gear plate of the utility model;

[0017] Figure 4 It is a top view schematic diagram of the connecting structure of the second rotating rod, the bevel gear, the first rotating shaft, the second rotating shaft, the first gear plate and the second gear plate of the utility model.

[0018] Description of main symbols:

[0019] 1. Hollow metal rod; 2. Handle; 3. Curved blade; 4. Joint; 101. Rotating rod 1; 102. Rotating rod 2; 103. Universal joint; 104. Rotating shaft 1; 105. Bevel gear; 106. Rotating shaft 2; 107. Sprocket disc 1; 108. Sprocket disc 2. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0021] Embodiment 1:

[0022] Please combine Figure 1-4 The thoracoscopic fracture reducer of this embodiment comprises:

[0023] A hollow metal rod 1, one end of the hollow metal rod 1 is rotatably connected to a handle 2, the other end of the hollow metal rod 1 is symmetrically rotatably connected to an arc-shaped blade 3, the total length of the hollow metal rod 1 is 42 cm, the rod diameter of the hollow metal rod 1 is 5-8 mm, one end of the hollow metal rod 1 rotatably connected to the arc-shaped blade 3 is an arc-shaped structure with an arc of 45 degrees, the width of the arc-shaped blade 3 is 2 cm, and the arc-shaped blade 3 is designed as an inner concave or outer convex structure;

[0024] The adjusting component includes a rotating rod 101 rotatably connected to the inside of the hollow metal rod 1 and fixedly connected to the handle 2. The inside of the hollow metal rod 1 is also rotatably connected to a rotating rod 2 102. A universal joint 103 is fixedly connected between the rotating rod 101 and the rotating rod 2 102. The inside of the hollow metal rod 1 is rotatably connected to a rotating shaft 104. The outside of the rotating shaft 104 and the outside of the end of the rotating rod 2 102 are fixedly sleeved with bevel gears 105, and the bevel gears 105 are meshingly connected. Both sides of the rotating shaft 104 are rotatably connected to rotating shaft 2 106, and the two ends of the rotating shaft 2 106 are respectively fixedly connected to the arc-shaped blades 3 on the same side. The outsides of the rotating shaft 104 and the rotating shaft 2 106 on one side are fixedly sleeved with a toothed disc 107, and the toothed discs 107 are meshingly connected. The outsides of the two groups of rotating shafts 2 106 are fixedly sleeved with toothed discs 108, and the toothed discs 108 are meshingly connected.

[0025] The implementation principle of the thoracoscopic fracture reducer in the embodiment of the present application is: when in use, the handle 2 is rotated to drive the rotating rod 101 to rotate, and the cooperation of the universal joint 103 is utilized to make the rotating rod 101 drive the rotating rod 2 102 to rotate together when rotating, and under the meshing action between the bevel gears 105, the rotating shaft 104 can be driven to rotate, and the meshing action between the toothed discs 107 and the meshing action between the toothed discs 108 can be utilized to drive the two groups of rotating shafts 2 106 to rotate inward at the same time, thereby driving the two groups of arc-shaped blades 3 to deflect inward at the same time to gather together, and the arc-shaped blades 3 adopt an inner concave or outer convex structural design, so that the device can be used to fix and stabilize the bone plate more closely, and has strong practicality.

[0026] Embodiment 2:

[0027] The present embodiment is further improved on the basis of the embodiment 1 in that a connector 4 is inserted into the hollow metal rod 1 to facilitate the connection with the syringe.

[0028] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A thoracoscopic fracture reducer, characterized in that: include: A hollow metal rod (1), one end of the hollow metal rod (1) being rotatably connected to a handle (2), and the other end of the hollow metal rod (1) being symmetrically rotatably connected to an arc-shaped blade (3); The adjustment component comprises a rotating rod (101) rotatably connected to the inside of a hollow metal rod (1), and the rotating rod (101) is fixedly connected to a handle (2); the inside of the hollow metal rod (1) is also rotatably connected to a rotating rod (102); a universal joint (103) is fixedly connected between the rotating rod (101) and the rotating rod (102); the inside of the hollow metal rod (1) is rotatably connected to a rotating shaft (104); the outside of the rotating shaft (104) and the outside of the end of the rotating rod (102) are both fixed. A bevel gear (105) is sleeved and the bevel gears (105) are meshingly connected. Both sides of the rotating shaft (104) are rotatably connected to the rotating shaft (106), and the two ends of the rotating shaft (106) are respectively fixedly connected to the arc-shaped blades (3) on the same side. The outer parts of the rotating shaft (104) and the rotating shaft (106) on one side are fixedly sleeved with a toothed disc (107), and the toothed discs (107) are meshingly connected. The outer parts of the two groups of rotating shafts (106) are fixedly sleeved with a toothed disc (108), and the toothed discs (108) are meshingly connected.

2. The thoracoscopic fracture reducer according to claim 1, characterized in that: The total length of the hollow metal rod (1) is 42 cm, and the rod diameter of the hollow metal rod (1) is 5-8 mm.

3. The thoracoscopic fracture reducer according to claim 1, characterized in that: One end of the hollow metal rod (1) rotatably connected to the arc-shaped blade (3) is an arc-shaped structure with an arc angle of 45 degrees.

4. The thoracoscopic fracture reducer according to claim 1, characterized in that: A joint (4) is inserted into the interior of the hollow metal rod (1).

5. The thoracoscopic fracture reducer according to claim 1, characterized in that: The width of the arc-shaped blade (3) is 2 cm, and the arc-shaped blade (3) is designed to be an inner concave or outer convex structure.

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