US 2012/0259333 A1 · ASSEMBLIES AND METHODS FOR THE REDUCTION OF A FRACTURE

Abstract

A controlled removable fracture-reducing assembly for reducing a bone fracture. According to one embodiment, a controlled removable fracture reducing assembly includes an implant, a reducer, a buttress, and a locking device that engage a proximal bone fragment and a distal bone fragment. The implant is secured to the distal bone fragment by the locking device. The buttress engages the implant through an opening. The reducer contains a compressing screw that applies a force on the buttress, reducing the fracture. According to another embodiment, the reducer contains a cam mechanism which applies a force on the buttress, which does not engage the implant, that pushes the proximal bone fragment to reduce the fracture. According to another embodiment, the reducer is a jacking mechanism that pushes the proximal bone fragment while pulling the implant and distal fragment to reduce the fracture.

Claims31

Dependent claims

-20. (canceled)

A method for reducing a fracture between a first bone fragment and a second bone fragment, comprising:

installing an implant to extend across the fracture by positioning a first portion of the implant adjacent the first bone fragment and a second portion of the implant adjacent the second bone fragment;
attaching a jig device to the implant, the jig device including an elongate slot extending therethrough;
inserting a first locking device into a first locking opening in the first portion of the implant and engaging the first locking device with the first bone fragment to lock the implant to the first bone fragment;
inserting a buttress device through the elongate slot in the jig device and into an elongated slotted opening in the second portion of the implant and engaging the buttress device with the second bone fragment to movably attach the implant to the second bone fragment;
and
at least partially reducing the fracture by applying an axial force on the buttress device and axially translating the buttress device along both the elongate slot in the jig device and the elongated slotted opening in the second portion of the implant to move the second bone fragment towards the first bone fragment.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

13/477,385Filed 22 May 2012

Priority

27 Jan 2006

Published

11 Oct 2012

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

A61B 17/66
For external osteosynthesis, e.g. distractors, contractors: alignment, compression or distraction mechanisms
A61B 17/1725
Guides or aligning means for drills , mills, pins or wires: for applying transverse screws or pins through intramedullary nails or pins
A61B 17/7225
For bone lengthening or compression: for bone compression
A61B 17/8019
With means for distracting or compressing the bone or bones: where the means are a separate tool rather than being part of the plate

Family

Application60/762,988Us provisional application · filed 27 Jan 2006

Application12/162,172Continuation · filed 25 Jul 2008

Application13/477,385Continuation

US 2009/0048598 A1Published application

US 8,628,531 B2Related patent

US 8,628,532 B2Related patent

US 2012/0259333 A1This patent

From the US filing history. Foreign family members aren’t listed.

Assemblies and methods for the reduction of a fracture

Life of this patent

Assemblies and methods for the reduction of a fracture

Life of this patent

Abstract

Claims31