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Small femoral stem prosthesis

A technology of femoral stem and prosthesis, applied in the direction of prosthesis, femoral head, femoral shaft, etc., can solve the problems of limited revision and large human injury.

Inactive Publication Date: 2021-09-10
BEIJING LIDAKANG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This also requires more osteotomies on the human body during the operation, causing greater damage to the human body, and because the patient has less bone-retaining beams, it also limits the possibility of subsequent revisions

Method used

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  • Small femoral stem prosthesis
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Embodiment Construction

[0033] The following is attached Figure 1-2 The application is described in further detail.

[0034] The embodiment of the present application discloses a small femoral stem prosthesis. refer to figure 1 , The femoral stem prosthesis includes a handle body 1 and a head 2 integrally fixed at one end of the handle body 1 .

[0035] refer to figure 1 The handle body 1 includes a first mounting handle 11 connected to the head 2 and a second mounting handle 12 integrally formed at the end of the first mounting handle 11 away from the head 2, between the first mounting handle 11 and the second mounting handle 12 It is arranged at an obtuse angle, preferably, the included angle between the first mounting handle 11 and the second mounting handle 12 is 150 degrees. After the handle body 1 is installed in the medullary cavity of the human body, the human body can give the first installation handle 11 an upward support force through the side wall of the first installation handle 11,...

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PUM

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Abstract

The invention relates to the field of medical instruments, in particular to a small femoral stem prosthesis. The small femoral stem prosthesis comprises a stem body and a head fixedly connected to one end of the stem body, the stem body comprises a first mounting stem connected with the head and a second mounting stem fixedly connected to the end, away from the head, of the first mounting stem, the first mounting stem and the second mounting stem are arranged at an obtuse angle, the end, facing the head, of the first mounting stem is fixedly connected with a limiting plate, and the perimeter of the limiting plate is larger than the maximum perimeter of the first mounting stem. The small femoral stem prosthesis has the effects that more bone mass can be reserved for a patient, harm to the human body is reduced, and more choices are provided for later rebuilding.

Description

technical field [0001] The present application relates to the field of medical devices, in particular to a small femoral stem prosthesis. Background technique [0002] Hip joint replacement, also known as artificial hip replacement, is to fix the artificial prosthesis, including the femoral part and the acetabular part, on the normal bone with bone cement and screws to replace the diseased joint and reconstruct the normal state of the patient's hip joint. It is a relatively mature and reliable treatment method. [0003] When performing human hip replacement, it is necessary to insert the femoral stem of the femoral prosthesis into the femoral medullary cavity, and install the femoral head of the femoral prosthesis into the acetabulum, so that the patient can restore the physiological function of the hip joint to a certain extent and relieve the pain. Pain, improved movement and improved quality of life. In order to ensure the initial stability of the femoral prosthesis aft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/36
CPCA61F2/3662A61F2002/30383A61F2002/3093
Inventor 张志亮
Owner BEIJING LIDAKANG TECH
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