ApplicationNo. 05/856276 filed on 12/01/1977
US Classes:623/20.13Semi-constrained joint
ExaminersPrimary: Crowder, Clifford D.
Attorney, Agent or Firm
International ClassesA61F 2/32 (20060101)
A61F 2/30 (20060101)
A61F 2/40 (20060101)
A61F 2/00 (20060101)
A61F 2/48 (20060101)
A61F 2/34 (20060101)
A61F 2/46 (20060101)
A61F 2/36 (20060101)
AbstractA prosthesis providing improvement over the floating center prosthetic joint of U.S. Pat. No. 3,916,451 by providing, inter alia, an improvement in the structure for retaining the floating ball in the humeral component and the strength of the lip of the floating ball, and further providing piston-cylinder means utilizing body fluid present in the implanted prosthesis to provide hydraulic action for reducing the amount of shock loads transmitted to the implanted prosthesis during normal human activity.