3818512

Information

• Patent Grant
• 3818512

• References
• Source

• Patent Number

  3,818,512

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • A61F2/32 - for the hip
  • A61F2/30739 - Devices connected to the proximal part of an endoprosthetic femoral shaft for reinforcing or replacing the trochanters
  • A61F2/367 - Proximal or metaphyseal parts of shafts
  • A61F2002/30154 - square
  • A61F2002/30354 - Cylindrically-shaped protrusion and recess
  • A61F2002/30367 - with additional means for preventing said rotation
  • A61F2002/30377 - Protrusion and recess of constant polygonal, serrated or undulated cross-section
  • A61F2002/30405 - made by screwing complementary threads machined on the parts themselves
  • A61F2002/30512 - using a locking nut or a set nut
  • A61F2002/30596 - slots ending in apertures
  • A61F2002/30845 - with cutting edges
  • A61F2002/30879 - Ribs
  • A61F2002/3233 - having anti-luxation means for preventing complete dislocation of the femoral head from the acetabular cup
  • A61F2002/3241 - having a ring
  • A61F2002/3401 - with radial apertures
  • A61F2002/3403 - Polar aperture
  • A61F2002/3414 - Polar protrusion
  • A61F2002/3451 - with angular positioning means for selecting any one of a plurality of radial orientations between two concentric shells
  • A61F2002/3474 - slots ending in non-polar apertures
  • A61F2002/3631 - with an integral complete or partial peripheral collar or bearing shoulder at its base
  • A61F2002/365 - Connections of heads to necks
  • A61F2002/3682 - Oblong apertures
  • A61F2220/0025 - Connections or couplings between prosthetic parts
  • A61F2220/0033 - made by longitudinally pushing a protrusion into a complementary-shaped recess
  • A61F2230/0021 - square

• US Classifications

  • 623 - Prosthesis