Bone distractor apparatus
AssigneeKLS-Martin, L.P.
InventorThomas Johnston
Life of this patent
Estimating the term…
Abstract
An improved distractor apparatus of the type having at least a pair of opposing bone plates secured distally and proximally to a pair of bone segments created by cutting an osteotomy gap, wherein the mounting brackets for securing the bone plates to the distractor means comprise abutment members that extend into the gap and abut the exposed ends of the two bone segments, such that distraction force is transferred to the bone segments by both the bone plates and the abutment members, wherein at least the abutment member on the distal mounting bracket is collapsible in the distal direction.
Claims23
A bone distractor apparatus comprising:
- a proximal bone plate and a distal bone plate;
- distractor means joined to said bone plates in a manner whereby operation of said distractor means increases the separation distance between said bone plates;
- a distal abutment member joined to said distractor means, whereby said distal abutment member is collapsible toward said distractor means.
A bone distractor apparatus comprising:
- a proximal bone plate and a distal bone plate, both composed of a bio-resorbable material;
- a generally elongated distractor means joined to said bone plates in a manner whereby operation of said distractor means increases the separation distance between said bone plates;
- a distal abutment member joined to said distractor means by collapsing means and disposed generally perpendicularly to said distal bone plate, whereby said distal abutment member is collapsible toward said distractor means in the distal direction.
A bone distractor apparatus adapted to distract bone segments divided by an osteotomy gap, said apparatus comprising:
- a proximal bone plate attached to a proximal bone segment on the proximal side of an osteotomy gap and a distal bone plate attached to a distal bone segment on the distal side of an osteotomy gap, both bone plates being composed of a bio-resorbable material;
- a generally elongated distractor means joined to said bone plates in a manner whereby operation of said distractor means increases the separation distance between said bone plates, said elongated distractor means defining an axial direction;
- a distal abutment member joined to said distractor means by collapsing means and disposed generally perpendicularly to said axial direction, such that said distal abutment member extends into the osteotomy gap and abuts the distal bone segment, and whereby said distal abutment member comprises collapsing means whereby said distal abutment member is collapsible toward said distractor means in the distal axial direction.
Dependencies are inferred from the claim text.