Closure member for a medical implant device

Details Closure member for a medical implant device Closure member for a medical implant device

2007-05-08

2007-05-08

Robert, Eduardo C. (Department: 3733)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

10805967

ABSTRACT:
A closure member, such as a set screw, and complementary receiving member are included in a medical implant device. The receiving member has a plurality of noncontiguous, threaded walls substantially defining a bore for receiving the threaded closure member. When the closure member is inserted into the receiving member, their respective threads interlock to join the noncontiguous walls of the receiving member. The closure member has an outer thread configured to interlock with the inner walls of the receiving member in a manner that aids in preventing the noncontiguous walls of the receiving member from moving away from the closure member. In certain embodiments, the closure member's outer thread includes a trailing edge having a point that is rearward of the trailing edge's root, and the outer thread includes a leading edge having a point that is forward of the leading edge's root.

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