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Bone marrow syncretization fixed screw

A technology for fixing screws and bone marrow, which is applied in the field of medical equipment to achieve the effect that it is not easy to loosen

Inactive Publication Date: 2005-03-16
王超然
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a bone marrow fusion fixation screw, which solves the technical problem that the fixation screw does not shift and loosen during medical treatment, and does not need to be taken out after the wound is cured.

Method used

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  • Bone marrow syncretization fixed screw
  • Bone marrow syncretization fixed screw
  • Bone marrow syncretization fixed screw

Examples

Experimental program
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no. 1 example

[0016] see figure 2 , 3 Shown is the first embodiment of the present invention, the bone marrow fusion fixation screw 2 includes a piercing portion 20 for piercing the bone, the thread 200 is provided on the piercing portion 20, and the piercing portion 20 is connected with a stopper part 21, the stop part 21 is provided with an actuating hole 210; the end of the piercing part 20 is provided with an accommodating space 201, and the accommodating space 201 is concavely formed in the middle of the end of the piercing part 20 in the axial direction A groove 202 constitutes the accommodating space 201 in this way, and the accommodating space 201 is used for accommodating bone marrow. And the piercing part 20 is provided with a second hole 208 that runs through the accommodating space 201 and a blind hole 206 and a through hole 205 (such as Figure 4 shown), so that after the bone marrow fusion fixation screw 2 is screwed to the bone (not shown in the figure), it is more difficu...

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PUM

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Abstract

Disclosed is a fixing screw for bone marrow fusion, comprises a traversing portion arranged in the bone, screw-threads arranged on the traversing portion and a backstop portion in connection with the traversing portion, characterized in that, the end of the traversing portion is provided with an accommodating space for accommodating the bone marrow, the accommodating space is provided with a second hole for fusing the newly grown bone marrow with the bone marrow accommodated in the accommodating space. The invention solves the problem of shifting, release and taking-up of the fixing screws during the medical treatment.

Description

Technical field: [0001] The invention relates to medical equipment, in particular to a bone marrow fusion fixation screw for medical treatment. Background technique: [0002] In order to allow the injured to effectively restore the normal function of the injured part, the general medical bone screw 1, such as figure 1 As shown, it includes a piercing part 10 for piercing the bone, the piercing part 10 has a thread 100, and the piercing part 10 is connected with a stop part 11, and the stop part 11 has an actuating hole 110; In order to fix the injured bone (such as fracture or bone heterolocation), most of them are screwed in (using the thread 100 provided at the piercing part 10) to penetrate between the bones, so that the bones can be fixed state of healing and growth. However, after the bone screw 1 is fixed on the bone, for the later work of taking the nail (because the newly born bone will repel the bone screw 1 made of metal, it is easy to make the bone screw 1 out o...

Claims

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Application Information

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IPC IPC(8): A61B17/68A61B17/72
Inventor 王超然
Owner 王超然
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