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US 2020/0046413 A1Published application
An orthopaedic device
AssigneeSota Orthopaedics Limited
InventorsBrian THORNES, Ross MCDONALD
Life of this patent
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Abstract
This invention relates to a coupling for an orthopaedic device. Also disclosed in an orthopaedic device comprising a coupling of the invention and method for the use of the orthopaedic device. The orthopaedic device finds utility as a bolt apparatus for fixation of bones such as fractures of the femur, although it may be used in any suitable bone.
Claims21
1-18. (canceled)
An An orthopaedic device comprising:
- (a) a threaded shaft comprising at least two portions, wherein the threads of a first portion are in reverse orientation to the threads of a second or subsequent portion;
- and
- (b) a coupling comprising an annular body having an internal threaded surface comprising at least two sections, wherein the threads of a first section are in reverse orientation to the threads of a second or subsequent section.
An orthopaedic device comprising:
- (a) a threaded shaft comprising at least two portions, wherein the threads of a first portion are in reverse orientation to the threads of a second portion;
- (b) a coupling comprising an annular body having an internal threaded surface comprising at least two sections, wherein the threads of a first section are in reverse orientation to the threads of a second section, and wherein the first section is shaped and dimensioned to engage with the threads of the second portion of the threaded shaft of the orthopaedic device;
- and
- (c) a body mountable to the first portion of the threaded shaft of the orthopaedic device.
1 more element
A method for fixation of bones, the method comprising the steps of:
- (a) reducing the fracture;
- (b) providing a channel across the fracture;
- (c) inserting an orthopaedic device orthopaedic device comprising:
- (i) a threaded shaft comprising at least two portions, wherein the threads of a first portion are in reverse orientation to the threads of a second or subsequent portion;
- and
- (ii) a coupling comprising an annular body having an internal threaded surface comprising at least two sections, wherein the threads of a first section are in reverse orientation to the threads of a second or subsequent section;
- and
- (d) fixing the orthopaedic device in the channel.
5 more elements
Dependencies are inferred from the claim text.