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Replacement equipment for artificial ilium

A kind of ilium, artificial technology, applied in the direction of bone implants, medical science, hip joints, etc., can solve the problems of shortening, patients prone to limbs, lameness, etc., and achieve the effect of small size

Inactive Publication Date: 2007-05-23
温中一
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The disadvantage of this kind of operation is that when the tumor and tumor bone are resected, the iliac bone defect and the hip joint are absent, and the patient is prone to complications such as limb shortening, joint displacement, and claudication
However, there are also limitations. First, the existing prosthesis is developed for the reconstruction of bone defects around the acetabulum. When the tumor invades the large pelvis and the ilium is resected, this prosthesis cannot be effectively connected and fixed with the sacrum to achieve transmission of force

Method used

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  • Replacement equipment for artificial ilium
  • Replacement equipment for artificial ilium
  • Replacement equipment for artificial ilium

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0025] The invention is an iliac bone defect reconstruction device used after extensive resection of tumors around the large pelvis of a human body. From the perspective of human anatomy, the large pelvis is located above the pelvis and is surrounded by the ilium. The small pelvis is located below the pelvis and is composed of the ischia and pubic bones. When the body is upright, the weight is transmitted from the sacrum to the femurs on both sides through the iliac joints; when sitting, the body weight is transmitted to the ischial joints on both sides. Therefore this device is made up of sacral connecting device, ilium connecting device and femur and ischium connecting device.

[0026] Referring to accompanying drawing 1, the member of sacral connecting device of the present invention is made up of adjuster 13, fastening bolt 14, first connecting pl...

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Abstract

An artificial bone displacing equipment for treating the pelvis major defect is composed of femur-ischium connector, ilium displacing unit and sacrum connector with angle regulator between connection plate and bone supporting plate.

Description

technical field [0001] The invention relates to the medical field of iliac bone defect reconstruction after human pelvic tumor resection, in particular to an artificial iliac bone defect reconstruction device used after pelvic tumor resection. Background technique [0002] The human pelvis is composed of left and right hip bones (including ilium, pubis, and ischium), sacrum, coccyx, and their associated ligaments. It can be divided into two parts, the large pelvis and the small pelvis. The pelvis is an important part of the connection between the trunk and the lower limbs. Its main characteristics are: (1) The pelvis is the largest flat bone group in the human body, containing a large amount of cancellous bone and filled with functional bone marrow. (2) There are many important organs, blood vessels and nerve plexuses in the pelvic ring. (3) The pelvis is one of the main weight-bearing parts of the human body, receiving the body weight transmitted from the sacrum. [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/28
CPCA61F2002/30001A61F2/34A61F2/30734
Inventor 温中一温大维徐万鹏
Owner 温中一
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