Back to results
US 2006/0079893 A1Published application
Threadform for medical implant closure
OwnerRoger Jacksoninventor
Life of this patent
Estimating the term…
Abstract
A thread is located on a cylindrical closure for an open headed medical implant. The thread has a leading surface and a trailing surface that both slope rearwardly from an interior edge to an exterior edge thereof.
Claims23
A medical device, comprising:
- a receiver member including a plurality of wall sections defining a longitudinal bore in said medical device, said receiver member also including a transverse channel substantially perpendicular to said bore;
- and
- a closure member including a substantially cylindrical engagement portion having a longitudinal axis, and a reverse angle thread formed on said engagement portion so that said engagement portion is adapted to be threadedly engaged within said bore to said wall sections.
An apparatus for connecting an elongated member and a bone, comprising:
- a receiver member having an inner-threaded longitudinal bore, a channel communicating with and substantially perpendicular to said longitudinal bore for accommodating the elongated member and a fixation portion for fixing said receiver member to the bone;
- and
- a closure member having a longitudinal axis and an outer threaded portion for threaded engagement with said threaded portion of said receiver member, wherein said threaded portion of said receiver member and said threaded portion of said closure member include a reverse angle thread.
A medical device, comprising:
- a receiver member including a plurality of wall sections separated by a slot, said wall sections at least partially defining a longitudinal bore in said medical device;
- and
- a closure member including a substantially cylindrical engagement portion having a longitudinal axis, and a reverse angle thread formed on said engagement portion so that said engagement portion is adapted to be threadedly engaged within said bore to said wall sections.
Dependencies are inferred from the claim text.