Acetabulum prosthesis capable of being tightly cooperated

A technology of acetabular prosthesis and outer cup, which is applied in the field of acetabular prosthesis, can solve the problems of micro-movement of inner lining, affect the fit strength, weaken the anti-deformation performance, etc., and achieve the effect of joint fastening stability and integrity assurance

Pending Publication Date: 2020-02-14
JINGWEI MEDICAL EQUIP MFG SHENZHEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The adverse effect is that the annular groove 11 is opened in the cone of the outer cup, which destroys the integrity of the cone of the outer cup, weakens its anti-deformation performance, and increases the risk of renovation. At the same time, the contact surface between the inner lining and the cone of the outer cup is reduced. , there may be looseness between the two, affecting the strength of the fit
[0003] In the prior art as mentioned above, such as figure 1 As shown, when the outer cup and the inner liner reach the contact point 12 in the initi

Method used

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  • Acetabulum prosthesis capable of being tightly cooperated
  • Acetabulum prosthesis capable of being tightly cooperated
  • Acetabulum prosthesis capable of being tightly cooperated

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Embodiment Construction

[0046] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings, and the following embodiments are the best embodiments considered by the present invention, rather than all embodiments. Other embodiments obtained by those skilled in the art based on the present invention without making creative efforts still belong to the protection scope of the present invention.

[0047] It should be noted that the orientation terms such as "inner surface", "outer surface", "top", "top side", "lowest part of the opening end", and "lower side" used in the present invention are based on the positions of the drawings. Or a statement of relative positional relationship, rather than limiting the protection scope of the present invention.

[0048] The acetabular prosthesis in the optional solution of this embodiment includes an outer cup 100 and an inner liner 200, the two are connected through taper fit, and an e...

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Abstract

The invention discloses an acetabulum prosthesis capable of being tightly cooperated. The acetabulum prosthesis consists of an outer cup and a lining, wherein an elastic clip structure and an embedding structure are arranged between the outer cup and the lining to prevent the lining from falling out, a possibility that the outer cup and the lining generate final motion is overcome, the cooperationstability of the acetabulum prosthesis is improved, and a renovation risk is greatly lowered.

Description

technical field [0001] The invention relates to an acetabular prosthesis, in particular to a tightly fitted acetabular prosthesis. Background technique [0002] The fit stability between the inner cup and the inner liner of the acetabular prosthesis is of great significance for the initial and long-term stability of the acetabulum. At present, most manufacturers adopt figure 1 In the prior art, an annular groove 11 is provided on the cone of the outer cup to fix the inner liner and prevent the inner liner from falling out. The adverse effect is that the annular groove 11 is opened in the cone of the outer cup, which destroys the integrity of the cone of the outer cup, weakens its anti-deformation performance, and increases the risk of renovation. At the same time, the contact surface between the inner lining and the cone of the outer cup is reduced. , There may be looseness between the two, affecting the strength of the fit. [0003] In the prior art as mentioned above, s...

Claims

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Application Information

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IPC IPC(8): A61F2/34
CPCA61F2/34A61F2220/0025
Inventor 不公告发明人
Owner JINGWEI MEDICAL EQUIP MFG SHENZHEN CO LTD
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