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Fusion hip replacement guide plate device and manufacturing method thereof

A technology of coupling device and guide plate, which is applied in the field of surgical instruments, can solve problems such as difficult abduction and anteversion angle precise control, and achieve the effect of improving the accuracy of osteotomy

Pending Publication Date: 2020-09-08
BEIJING NATON INST OF MEDICAL TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the placement angle of the acetabular cup prosthesis in the existing THA surgery is 40-45° abduction and 10-15° anteversion, while patients with ankylosing spondylitis are often accompanied by spinal deformity combined with pelvic extension and pelvic rotation For every 10° more, the angle of anteversion and camber increases by 5°, so the angle of the cup prosthesis needs to be adjusted accordingly
The operator can only use traditional X-rays to estimate the angle of the prosthesis, and it is difficult to achieve precise control of the angle of abduction and anteversion, especially in cases with such spinal deformity and pelvic rotation

Method used

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  • Fusion hip replacement guide plate device and manufacturing method thereof
  • Fusion hip replacement guide plate device and manufacturing method thereof
  • Fusion hip replacement guide plate device and manufacturing method thereof

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Embodiment approach 1

[0060] refer to figure 1 , which representatively shows a fusion hip replacement template device capable of embodying the principles of the present disclosure. The fusion hip replacement template device proposed in the present disclosure is illustrated by being applied to total hip joint replacement surgery as an example. Those skilled in the art can easily understand that, in order to apply the relevant designs of the present disclosure to other types of operations or other processes, various modifications, additions, substitutions, deletions or other changes are made to the following specific embodiments , these variations are still within the scope of the principles of the fusion hip replacement template device proposed by the present disclosure.

[0061] like figure 1 As shown, in this embodiment, the guide coupling device 110 includes a femoral neck attachment plate 173 , a connecting column 160 and a rotating shaft structure 150 . The femoral neck attachment plate 173 ...

Embodiment approach 2

[0065] In this exemplary embodiment, the fusion hip replacement template device proposed in the present disclosure is applied to total hip replacement surgery as an example for illustration. Those skilled in the art can easily understand that, in order to apply the relevant designs of the present disclosure to other types of operations or other processes, various modifications, additions, substitutions, deletions or other changes are made to the following specific embodiments , these variations are still within the scope of the principles of the fusion hip replacement template device proposed by the present disclosure.

[0066] like Figure 2-3 As shown, in this embodiment, the guide coupling device 110 further includes a positioning guide plate 170 and a guide coupling plate 172 , and the positioning guide plate 170 is provided with a plurality of first positioning holes 111 . The positions of the plurality of second positioning holes 171 of the guide coupling plate 172 corr...

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Abstract

The invention provides a fusion hip replacement guide plate device and a manufacturing method thereof. The fusion hip replacement guide plate device comprises a guide coupling device, a positioning needle, a transverse rod and a guide needle; the guide coupling device is provided with a plurality of first positioning holes, and the guide coupling device is configured to be fixed to the femur through positioning pins penetrating through the first positioning holes respectively; the guide coupling device is provided with reference guide holes, and the axis of the reference guide holes is parallel to the filing-in direction of a preset acetabulum file; a plurality of guide holes are formed in the transverse rod, the axes of the guide holes are parallel to the axis of the reference guide holes, and the transverse rod is configured to rotate around the guide coupling device by taking the axis of the reference guide holes as a rotating shaft; and the guide needle passes through one of the reference guide holes and is fixed to the femur, and the guide needle is configured to guide the acetabulum file.

Description

technical field [0001] The present disclosure relates to a surgical instrument, in particular to a fusion hip replacement guide plate device and a manufacturing method thereof. Background technique [0002] The flexion and ankylosing deformity of patients with ankylosing spondylitis causes the tissue around the hip joint to contract, which brings great inconvenience to the exposure of the total hip arthroplasty, especially when the femoral osteotomy is performed, sometimes the femoral neck is at the lower back , the femoral head cannot be routinely dislocated, and the hip joint is limited or even unable to move. At this time, the position of the lesser trochanter needs to be determined, and the osteotomy is performed 1.5 cm above it. However, the position of the lesser trochanter is not easy to determine, and a second amputation is required at this time. bone, that is, the osteotomy is first performed on the side of the femoral neck close to the acetabulum, and then the hip ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/90
CPCA61B17/88A61B17/90
Inventor 柴伟陈继营王君玲纪荣泉董骧
Owner BEIJING NATON INST OF MEDICAL TECH CO LTD
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