3903549

Information

• Patent Grant
• 3903549

• References
• Source

• Patent Number

  3,903,549

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • A61F2/34 - Acetabular cups
  • A61B17/86 - Threaded wires , pins or screws; Nuts therefor
  • A61F2002/30331 - made by longitudinally pushing a protrusion into a complementarily-shaped recess
  • A61F2002/30367 - with additional means for preventing said rotation
  • A61F2002/30378 - Spherically-shaped protrusion and recess
  • A61F2002/30403 - Longitudinally-oriented cooperating ribs and grooves on mating lateral surfaces of a mainly longitudinal connection
  • A61F2002/3082 - Grooves
  • A61F2002/30841 - Sharp anchoring protrusions for impaction into the bone
  • A61F2002/30879 - Ribs
  • A61F2002/30884 - Fins or wings
  • A61F2002/3401 - with radial apertures
  • A61F2002/3411 - having a snap connection between two concentric shells
  • A61F2002/3417 - the outer shell having protrusions on meridian lines
  • A61F2002/3419 - Meridian ribs
  • A61F2002/3429 - with an integral peripheral collar or flange
  • A61F2002/3432 - having apertures for receiving fixation screws
  • A61F2002/3451 - with angular positioning means for selecting any one of a plurality of radial orientations between two concentric shells
  • A61F2220/0025 - Connections or couplings between prosthetic parts
  • A61F2220/0033 - made by longitudinally pushing a protrusion into a complementary-shaped recess

• US Classifications

  • 623 - Prosthesis
  • 606 - Surgery