Acetabular cup prosthesis
An acetabular cup and prosthesis technology, applied in the field of acetabular cup prosthesis, can solve the problem of difficulty in ensuring the minimum thickness of the bearing part, and achieve the effects of ensuring thickness, ensuring strength and wear resistance, and securing firmness
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[0030] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, detailed description will be given below with reference to the accompanying drawings and specific embodiments.
[0031] The present invention provides an acetabular cup prosthesis, such as Figure 1-3 shown, including outer cup 1 and inner liner 2, where:
[0032] The inner surface of the outer cup 1 is provided with an abutting surface 11 along the circumferential direction, and the abutting surface 11 can be realized in the following ways:
[0033] method one:
[0034] like figure 1 As shown, the inner surface of the outer cup 1 is provided with an annular groove 12 with a triangular longitudinal section along the circumferential direction.
[0035] Method two:
[0036] The inner surface of the outer cup is provided with an annular protrusion (not shown) along the circumferential direction, and a side wall of the annular protrusion away from t...
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