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Femoral condyle AP measurer

A femoral condyle and measurer technology, which is applied in diagnostic recording/measurement, sensor, bone drill guidance, etc., can solve problems such as unreliable fixation of internal and external rotation angles, small configuration range of rotation angles, and large angle errors

Pending Publication Date: 2021-04-09
BEIJING MONTAGNE MEDICAL DEVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such instruments usually have the risk of small rotation angle configuration range, large angle error, small logo, difficult to identify, and unreliable internal and external rotation angles that are easy to change, resulting in preoperative planning or doctor's hands. Operation can not get the expected results

Method used

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  • Femoral condyle AP measurer
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Embodiment Construction

[0033] The invention will now be described in more detail with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as necessarily limited to the exemplary embodiments disclosed herein. Rather, these exemplary embodiments are provided merely to illustrate the present invention and to convey the concept of the present invention to those skilled in the art.

[0034] figure 1 is a schematic perspective view of a femoral condyle AP measurer according to a feasible implementation manner of the present invention. figure 2 is a schematic perspective view of a femoral condyle AP measurer according to a feasible implementation manner of the present invention. image 3 is a schematic perspective view of a femoral condyle AP measurer according to a feasible implementation manner of the present invention. Figure 4 is a schematic cross-sectional vi...

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Abstract

The invention relates to a femoral condyle AP measurer. The femoral condyle AP measurer can accurately measure the sizes of the anterior condyle and the posterior condyle of femur, limit the osteotomy size and assist in positioning of an osteotomy plate.

Description

technical field [0001] The invention relates to a medical device for orthopedic surgery, in particular to a femoral condyle AP measurer used in knee joint replacement surgery. Background technique [0002] Artificial knee replacement is a kind of orthopedic surgery that uses artificial biomaterials to replace human diseased joints and restore the normal physiological functions of the knee joint. During the operation, the doctor needs to perform a characteristic osteotomy on the patient's knee joint to match the artificial joint prosthesis and restore the best stable form of the knee joint. [0003] After the osteotomy of the distal femur, AP-Sizer is usually used to assist in obtaining the size of the femoral condyle corresponding to the artificial knee joint and performing osteotomy positioning. Doctors can determine the external rotation angle of the femoral condyle and determine the osteotomy position according to preoperative planning and intraoperative instrument measu...

Claims

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Application Information

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IPC IPC(8): A61B5/107A61B17/16A61B17/17
CPCA61B5/1072A61B17/1657A61B17/1675A61B17/1732A61B17/1635
Inventor 张文彪许志勇李子欣王惟颢
Owner BEIJING MONTAGNE MEDICAL DEVICE
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