Implant connector

Details Implant connector Implant connector

1995-02-13

1997-02-25

O'Connor, Cary E.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433173, 606 73, A61K 800

Patent

active

056054572

ABSTRACT:
A threaded connection for use in medical implant surgery which utilizes a read profile which includes a load flank, a stab flank, a root intermediate the stab flank and load flank, and a crest intermediate the load flank and stab flank. The distance, measured paraxially, which the screw moves one complete revolution of the connection, is the lead of the thread. In the invention, the lead varies for either the male or female member of the connector such that the load flank, effectively, is moved away from axial interference with the cooperative member as the thread is "made up" or engaged. Accordingly, the load flank interface along the length of the connection is stressed, rather than having the load flank interface stressed predominately at the end turns of the thread, as often occurs under loading of the thread. In this manner, the stress loading of the thread is spread over the multiple turns of the thread, and pre-load is not lost by the yielding of the end turn.

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