Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1989-09-26
1990-12-25
Isabella, David J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 232
Patent
active
049799584
ABSTRACT:
An artificial stem for femur of coxa in a human body comprises a stem element, a head and a neck connecting the both, each side surface of the stem element corresponding to the indise or outside of a human body being formed by a specific curved or straight line respectively, the cross section of the stem element having a specific shape, and scale-like step patterns being formed on both the front and back surfaces, thereby improving the fitness to the femur of a small body person like Japanese, the stability and the anti-twisting strength after insertion.
REFERENCES:
patent: 4645506 (1987-02-01), Link
patent: 4657551 (1987-04-01), Ecke
patent: 4695283 (1987-09-01), Aidinger
patent: 4770660 (1988-09-01), Averill
patent: 4863474 (1989-09-01), Brown et al.
Hattori Tomokazu
Ishii Masami
Matsuda Yasumasa
Mita Junichi
Niwa Shigeo
Aisin Seiki Kabushiki Kaisha
Isabella David J.
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