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3D printed double-acting total acetabulum

A 3D printing, acetabular technology, applied in the direction of acetabular socket, hip joint, joint implants, etc., can solve the problem that the total acetabular prosthesis cannot better adapt to the shape of the patient's ilium, and achieve structural Simple, stable use, and enhanced applicability

Active Publication Date: 2021-06-01
北京中安泰华科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the defect that the relatively unchanged total acetabular prosthesis cannot better fit the shape of the patient's ilium, this application provides a 3D printed double-action total acetabular

Method used

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  • 3D printed double-acting total acetabulum
  • 3D printed double-acting total acetabulum
  • 3D printed double-acting total acetabulum

Examples

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Embodiment Construction

[0037] The following is attached Figure 1-4 The application is described in further detail.

[0038] A 3D printed double-moving total acetabulum disclosed in this application, combined with figure 1 , figure 2 , the double-action full acetabulum includes an outer cup 1, an inner liner 2 detachably installed inside the outer cup 1, a lock ring 3 installed on the outer cup 1 to limit the inner liner 2, and a rotating ring installed inside the inner liner 2 Bipolar head 4, one end of the bolt 7 pierced from the inside of the outer cup 1 to the outside of the outer cup 1, the angle adjustment member 5 sleeved on the bolt 7, and the connecting plate 6 connected to the end of the bolt 7, the outer cup 1 , the inner liner 2 and the bipolar head 4 are all hollow inside and have a hemispherical structure with openings, the end of the femoral head can be arranged in the bipolar head 4, and a plurality of through holes are provided on the connecting plate 6, and the screw double Tak...

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Abstract

The invention relates to a 3D printed double-acting total acetabulum, which comprises an outer cup and a connecting plate, the outer cup is of a hollow hemispherical structure with an opening, the 3D printed double-acting total acetabulum further comprises an angle adjusting piece arranged between the outer cup and the connecting plate, and a bolt sequentially connected to the outer cup, the angle adjusting piece and the connecting plate; annular teeth are arranged on the outer surface of the outer cup and the connecting plate; the angle adjusting piece is of a cylindrical structure, the two ends of the angle adjusting piece are inclined, the inclined angles of the two ends are opposite, annular teeth are arranged on the two end faces of the angle adjusting piece, and the annular teeth on the angle adjusting piece are matched with the annular teeth located on the outer cup and the annular teeth located on the connecting plate. The product has the advantages that the angle between the outer cup and the connecting plate can be adaptively adjusted conveniently, and therefore the product can better adapt to the ilium in the body of a patient.

Description

technical field [0001] This application relates to the field of prosthesis replacement, in particular to a 3D printed double-moving total acetabular. Background technique [0002] At present, with the acceleration of the aging process of the population, the number of hip joint diseases is also increasing. When the position of the acetabular socket on the hip joint becomes sick, it is necessary to replace the position of the acetabular socket with a prosthesis to establish Normal anatomy restores hip function. [0003] The existing total acetabulum includes a connecting plate, an outer cup fixed to the connecting plate, an inner liner mounted on the outer cup, and a bipolar head that can be rotatably arranged inside the inner liner, and a plurality of through holes are opened on the connecting plate. The bolts are passed through the through holes, and then the bolts are connected to the ilium, so that the connecting plate can be connected with the ilium, thereby fixing the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/34
CPCA61F2/34
Inventor 陈立叶蒋鹏
Owner 北京中安泰华科技有限公司
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