Tractor and traction control device

A retractor and drawbar technology, applied in the field of medical devices, can solve the problems of cumbersome operation, poor treatment effect, complex structure, etc., and achieve the effect of small operation difficulty, avoiding breakage and dislocation, and simple structure

Pending Publication Date: 2018-12-14
刘炳阳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiment of the present invention is to provide a retractor and a traction control device to solve the problems of complex structure, cumbersome operation and poor therapeutic effect in the existing intersseous retractor

Method used

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  • Tractor and traction control device
  • Tractor and traction control device
  • Tractor and traction control device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 As shown, the tractor 100 in this embodiment includes a housing 1, a magnetic induction driving part 2 and a movable traction rod 3, a cavity is arranged inside the housing 1, and the magnetic induction driving part 2 is arranged in the housing 1, and the magnetic induction driving Part 2 is a magnet or a coil, preferably a coil. One end of the casing 1 is provided with a fixed drawbar 4, which is connected to the titanium plate 14 during use, and the other end of the casing 1 is provided with a movable hole. The inside of the housing 1 is provided with a first fixing part 5, the first fixing part 5 is connected to the inner wall of the housing 1, preferably, the first fixing part 5 is integrally formed with the housing 1, and the first fixing part 5 is provided with threads The through hole, the axis of the threaded through hole is the same line as the axis of the housing 1, the threaded through hole is provided with a threaded rod 6, and the threaded...

Embodiment 2

[0034] Such as figure 2 As shown, this embodiment is based on Embodiment 1. The difference between this embodiment and Embodiment 1 is that the end of the other end of the threaded rod 6 extends radially outwards to form a circular first contact portion 61, which is movable One end of the draw rod 3 extends radially outward to form a circular second contact portion 31 . By arranging the first contact portion 61 and the second contact portion 31 , the contact surface between the threaded rod 6 and the movable drawbar 3 is enlarged, so that the movable drawbar 3 is pushed out of the casing 1 more smoothly.

[0035] Further, the movable traction rod 3 in this embodiment is a square rod, and correspondingly, the movable hole of the housing 1 is a square hole. When the movable drawbar 3 protrudes from the housing 1, the movable drawbar 3 can be prevented from rotating axially through the cooperation of the movable hole of the housing 1 and the square hole, and the movable drawbar...

Embodiment 3

[0037] Such as image 3 As shown, this embodiment is based on Embodiment 2. The difference between this embodiment and Embodiment 2 is that a second fixing part 7 is also provided inside the housing 1, and the movable hole provided by the second fixing part 7 A balance pole 8 is pierced, and one end of the balance pole 8 is connected with the magnetic induction driving part 2 . By arranging the balance bar 8, the two ends of the magnetic induction driving part 2 can be rotated in a more balanced manner, and the rotation can be more stable.

[0038] Further, the other end of the movable drawbar 3 and the end of the fixed drawbar 4 away from the housing 1 are respectively provided with connecting holes 11, and the setting of the connecting holes 11 can facilitate the installation of the tractor 100. Titanium nails are driven into the interior to connect the titanium plate 14 with the movable drawbar 3 and the fixed drawbar 4, which greatly shortens the installation time of the ...

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PUM

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Abstract

The invention relates to a tractor and a traction control device, and relates to the technical field of medical instruments. The tractor comprises a casing, a magnetic-induction driving part and a movable traction rod, the magnetic-induction driving part is arranged in the casing, one end of the casing is provided with a fixed traction rod, a first fixation part is arranged in the casing, a threaded rod is in threaded connection into a threaded through hole formed in the first fixation part, the other end of the casing is provided with a movable hole, the movable traction rod is movably arranged in the movable hole of the casing, one end of the threaded rod is connected with the magnetic-induction driving part, the other end of the threaded rod abuts against one end of the movable tractionrod, and the other end of the movable traction rod extends out of the casing. The tractor has the advantages of simple structure, convenient large-scale production and simple operation.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a tractor and a traction control device. Background technique [0002] Suture distraction osteogenesis technology is developed with the successful development of suture distractor. It was the first to be successfully developed in European and American countries, and achieved success in clinical application. Finally, the suture distraction osteogenesis technology quickly became a hot spot in the world. Devices have continued to come out. [0003] In the market, various types of suture retractors have different structural designs, different specifications, and different uses. However, in actual clinical applications, we found that the existing suture retractors have complex structures, The operation is cumbersome, there are many complications, and the appearance is affected. In addition, the existing suture retractors also have the problems of high risk of recurrence and ...

Claims

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Application Information

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IPC IPC(8): A61F5/042
CPCA61F5/042
Inventor 刘炳阳
Owner 刘炳阳
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