Femoral stem

A femoral stem and stem body technology, applied in the field of medical treatment, can solve the problems of poor fixation effect and low service life, and achieve the effect of improving service life and ensuring the fixation effect.

Inactive Publication Date: 2016-11-16
BEIJING AKEC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The main purpose of the present invention is to provide a femoral stem to solve the problem of low service life of the femoral stem in the prior art due to poor fixation effect

Method used

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  • Femoral stem
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Embodiment Construction

[0030] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0031] The present invention provides a femoral stem, please refer to figure 1 with figure 2 , the femoral stem includes a handle body proximal rod 10 and a handle body distal rod 20, the femoral stem also includes: a locking piece 30, one end of the locking piece 30 is connected with the handle body proximal end rod 10, the other end of the locking piece 30 One end is connected with the handle body distal rod 20 to lock the handle body proximal rod 10 and the handle body distal rod 20 .

[0032] The femoral stem among the present invention comprises handle body proximal end rod 10 and handle body distal end rod 20, because this femoral stem also comprises locking part 30, locking part 30 an...

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Abstract

The invention provides a femoral stem. The femoral stem comprises a stem body near-end rod and a stem body far-end rod. The femoral stem further comprises a locking part. One end of the locking part is connected with the stem body near-end rod, and the other end of the locking part is connected with the stem body far-end rod, so that the stem body near-end rod and the stem body far-end body are locked. By means of the femoral stem, the problem that the service life of a femoral stem in the prior art is short due to a poor fixing effect is solved.

Description

technical field [0001] The invention relates to the field of medical treatment, in particular to a femoral stem. Background technique [0002] As the number of hip replacement surgeries increases, so does the number of hip revision surgeries. At present, the revision of complex cases is the core problem faced by physicians. [0003] In general, revisions in complex cases of the hip have the following characteristics: [0004] 1. In general, the proximal femoral cortical bone is thin or the bone defect is serious, and the revision prosthesis cannot be effectively fixed; [0005] 2. Generally, the proximal femoral bone quality of patients is poor, and the ability of bone regeneration or bone growth (bone ingrowth) is poor; [0006] 3. Generally, it is necessary to use a distally fixed combined revision handle or an anatomical revision handle; [0007] 4. Bone ingrowth in the isthmus + distal screw fixation is the best revision fixation method. [0008] When encountering t...

Claims

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Application Information

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IPC IPC(8): A61F2/36
CPCA61F2/3662
Inventor 孟德松庞博许奎雪
Owner BEIJING AKEC MEDICAL
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